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-rw-r--r--src/modules/module-session-manager.c74
-rw-r--r--src/modules/module-session-manager/client-endpoint/client-endpoint.c296
-rw-r--r--src/modules/module-session-manager/client-endpoint/client-endpoint.h62
-rw-r--r--src/modules/module-session-manager/client-endpoint/endpoint-stream.c352
-rw-r--r--src/modules/module-session-manager/client-endpoint/endpoint-stream.h64
-rw-r--r--src/modules/module-session-manager/client-endpoint/endpoint.c385
-rw-r--r--src/modules/module-session-manager/client-endpoint/endpoint.h61
-rw-r--r--src/modules/module-session-manager/client-session/client-session.c295
-rw-r--r--src/modules/module-session-manager/client-session/client-session.h62
-rw-r--r--src/modules/module-session-manager/client-session/endpoint-link.c369
-rw-r--r--src/modules/module-session-manager/client-session/endpoint-link.h65
-rw-r--r--src/modules/module-session-manager/client-session/session.c344
-rw-r--r--src/modules/module-session-manager/client-session/session.h62
-rw-r--r--src/modules/module-session-manager/endpoint-link.c590
-rw-r--r--src/modules/module-session-manager/endpoint-stream.c581
-rw-r--r--src/modules/module-session-manager/endpoint.c590
-rw-r--r--src/modules/module-session-manager/protocol-native.c3083
-rw-r--r--src/modules/module-session-manager/proxy-session-manager.c188
-rw-r--r--src/modules/module-session-manager/session.c578
19 files changed, 8101 insertions, 0 deletions
diff --git a/src/modules/module-session-manager.c b/src/modules/module-session-manager.c
new file mode 100644
index 0000000..85879f7
--- /dev/null
+++ b/src/modules/module-session-manager.c
@@ -0,0 +1,74 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <pipewire/impl.h>
+
+/** \page page_module_session_manager PipeWire Module: Session Manager
+ *
+ * This module implements some usefull objects for implementing a session
+ * manager. It is not yet actively used.
+ */
+
+/* client-endpoint.c */
+int client_endpoint_factory_init(struct pw_impl_module *module);
+/* client-session.c */
+int client_session_factory_init(struct pw_impl_module *module);
+
+int session_factory_init(struct pw_impl_module *module);
+int endpoint_factory_init(struct pw_impl_module *module);
+int endpoint_stream_factory_init(struct pw_impl_module *module);
+int endpoint_link_factory_init(struct pw_impl_module *module);
+
+/* protocol-native.c */
+int pw_protocol_native_ext_session_manager_init(struct pw_context *context);
+
+static const struct spa_dict_item module_props[] = {
+ { PW_KEY_MODULE_AUTHOR, "George Kiagiadakis <george.kiagiadakis@collabora.com>" },
+ { PW_KEY_MODULE_DESCRIPTION, "Implements objects for session management" },
+ { PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
+};
+
+SPA_EXPORT
+int pipewire__module_init(struct pw_impl_module *module, const char *args)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ int res;
+
+ if ((res = pw_protocol_native_ext_session_manager_init(context)) < 0)
+ return res;
+
+ client_endpoint_factory_init(module);
+ client_session_factory_init(module);
+ session_factory_init(module);
+ endpoint_factory_init(module);
+ endpoint_stream_factory_init(module);
+ endpoint_link_factory_init(module);
+
+ pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
+
+ return 0;
+}
diff --git a/src/modules/module-session-manager/client-endpoint/client-endpoint.c b/src/modules/module-session-manager/client-endpoint/client-endpoint.c
new file mode 100644
index 0000000..b2f2d98
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/client-endpoint.c
@@ -0,0 +1,296 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <spa/utils/result.h>
+#include <pipewire/impl.h>
+
+#include <pipewire/extensions/session-manager.h>
+
+#include "client-endpoint.h"
+#include "endpoint.h"
+#include "endpoint-stream.h"
+
+#define NAME "client-endpoint"
+
+struct factory_data {
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+};
+
+static struct endpoint_stream *find_stream(struct client_endpoint *this, uint32_t id)
+{
+ struct endpoint_stream *s;
+ spa_list_for_each(s, &this->streams, link) {
+ if (s->id == id)
+ return s;
+ }
+ return NULL;
+}
+
+static int client_endpoint_update(void *object,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_info *info)
+{
+ struct client_endpoint *this = object;
+ struct endpoint *endpoint = &this->endpoint;
+
+ return endpoint_update(endpoint, change_mask, n_params, params, info);
+}
+
+static int client_endpoint_stream_update(void *object,
+ uint32_t stream_id,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_stream_info *info)
+{
+ struct client_endpoint *this = object;
+ struct endpoint *endpoint = &this->endpoint;
+ struct endpoint_stream *stream = find_stream(this, stream_id);
+ struct pw_properties *props = NULL;
+
+ if (!stream) {
+ static const char * const keys[] = {
+ PW_KEY_FACTORY_ID,
+ PW_KEY_CLIENT_ID,
+ PW_KEY_ENDPOINT_ID,
+ PW_KEY_PRIORITY_SESSION,
+ PW_KEY_ENDPOINT_MONITOR,
+ PW_KEY_ENDPOINT_STREAM_NAME,
+ PW_KEY_ENDPOINT_STREAM_DESCRIPTION,
+ NULL
+ };
+
+ struct pw_context *context = pw_global_get_context(endpoint->global);
+
+ stream = calloc(1, sizeof(struct endpoint_stream));
+ if (!stream)
+ goto no_mem;
+
+ props = pw_properties_new(NULL, NULL);
+ if (!props)
+ goto no_mem;
+
+ pw_properties_update_keys(props, &endpoint->props->dict, keys);
+ if (info && info->props)
+ pw_properties_update_keys(props, info->props, keys);
+
+ if (endpoint_stream_init(stream, stream_id, endpoint->info.id,
+ this, context, props) < 0)
+ goto no_mem;
+
+ spa_list_append(&this->streams, &stream->link);
+ }
+ else if (change_mask & PW_CLIENT_ENDPOINT_STREAM_UPDATE_DESTROYED) {
+ endpoint_stream_clear(stream);
+ spa_list_remove(&stream->link);
+ free(stream);
+ stream = NULL;
+ }
+
+ return stream ?
+ endpoint_stream_update(stream, change_mask, n_params, params, info)
+ : 0;
+
+ no_mem:
+ pw_properties_free(props);
+ free(stream);
+ pw_log_error(NAME" %p: cannot update stream: no memory", this);
+ pw_resource_errorf(this->resource, -ENOMEM,
+ NAME" %p: cannot update stream: no memory", this);
+ return -ENOMEM;
+}
+
+static const struct pw_client_endpoint_methods methods = {
+ PW_VERSION_CLIENT_ENDPOINT_METHODS,
+ .update = client_endpoint_update,
+ .stream_update = client_endpoint_stream_update,
+};
+
+static void client_endpoint_destroy(void *data)
+{
+ struct client_endpoint *this = data;
+ struct endpoint_stream *s;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ spa_list_consume(s, &this->streams, link) {
+ endpoint_stream_clear(s);
+ spa_list_remove(&s->link);
+ free(s);
+ }
+ endpoint_clear(&this->endpoint);
+ spa_hook_remove(&this->resource_listener);
+
+ free(this);
+}
+
+static const struct pw_resource_events resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = client_endpoint_destroy,
+};
+
+static void *create_object(void *data,
+ struct pw_resource *owner_resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_impl_factory *factory = d->factory;
+ struct client_endpoint *this;
+ struct pw_impl_client *owner = pw_resource_get_client(owner_resource);
+ struct pw_context *context = pw_impl_client_get_context(owner);
+
+ this = calloc(1, sizeof(struct client_endpoint));
+ if (this == NULL)
+ goto no_mem;
+
+ spa_list_init(&this->streams);
+
+ pw_log_debug(NAME" %p: new", this);
+
+ if (!properties)
+ properties = pw_properties_new(NULL, NULL);
+ if (!properties)
+ goto no_mem;
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(owner)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(factory)->id);
+
+ this->resource = pw_resource_new(owner, new_id, PW_PERM_ALL, type, version, 0);
+ if (this->resource == NULL)
+ goto no_mem;
+
+ if (endpoint_init(&this->endpoint, this, context, properties) < 0)
+ goto no_mem;
+
+ pw_resource_add_listener(this->resource, &this->resource_listener,
+ &resource_events, this);
+ pw_resource_add_object_listener(this->resource, &this->object_listener,
+ &methods, this);
+
+ return this;
+
+ no_mem:
+ pw_properties_free(properties);
+ if (this && this->resource)
+ pw_resource_destroy(this->resource);
+ free(this);
+ pw_log_error("can't create client endpoint: no memory");
+ pw_resource_error(owner_resource, -ENOMEM,
+ "can't create client endpoint: no memory");
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->module_listener);
+ d->module = NULL;
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int client_endpoint_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+
+ factory = pw_context_create_factory(context,
+ "client-endpoint",
+ PW_TYPE_INTERFACE_ClientEndpoint,
+ PW_VERSION_CLIENT_ENDPOINT,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -ENOMEM;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+}
diff --git a/src/modules/module-session-manager/client-endpoint/client-endpoint.h b/src/modules/module-session-manager/client-endpoint/client-endpoint.h
new file mode 100644
index 0000000..bc5630d
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/client-endpoint.h
@@ -0,0 +1,62 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_CLIENT_ENDPOINT_H
+#define MODULE_SESSION_MANAGER_CLIENT_ENDPOINT_H
+
+#include "endpoint.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_endpoint {
+ struct pw_resource *resource;
+ struct spa_hook resource_listener;
+ struct spa_hook object_listener;
+ struct endpoint endpoint;
+ struct spa_list streams;
+};
+
+#define pw_client_endpoint_resource(r,m,v,...) \
+ pw_resource_call_res(r,struct pw_client_endpoint_events,m,v,__VA_ARGS__)
+#define pw_client_endpoint_resource_set_id(r,...) \
+ pw_client_endpoint_resource(r,set_id,0,__VA_ARGS__)
+#define pw_client_endpoint_resource_set_session_id(r,...) \
+ pw_client_endpoint_resource(r,set_session_id,0,__VA_ARGS__)
+#define pw_client_endpoint_resource_set_param(r,...) \
+ pw_client_endpoint_resource(r,set_param,0,__VA_ARGS__)
+#define pw_client_endpoint_resource_stream_set_param(r,...) \
+ pw_client_endpoint_resource(r,stream_set_param,0,__VA_ARGS__)
+#define pw_client_endpoint_resource_create_link(r,...) \
+ pw_client_endpoint_resource(r,create_link,0,__VA_ARGS__)
+
+int client_endpoint_factory_init(struct pw_impl_module *module);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_CLIENT_ENDPOINT_H */
diff --git a/src/modules/module-session-manager/client-endpoint/endpoint-stream.c b/src/modules/module-session-manager/client-endpoint/endpoint-stream.c
new file mode 100644
index 0000000..8dde6f7
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/endpoint-stream.c
@@ -0,0 +1,352 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include <spa/pod/filter.h>
+
+#include "endpoint-stream.h"
+#include "client-endpoint.h"
+
+#define NAME "endpoint-stream"
+
+struct resource_data {
+ struct endpoint_stream *stream;
+ struct spa_hook object_listener;
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+#define pw_endpoint_stream_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_stream_events,m,v,__VA_ARGS__)
+#define pw_endpoint_stream_resource_info(r,...) \
+ pw_endpoint_stream_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_stream_resource_param(r,...) \
+ pw_endpoint_stream_resource(r,param,0,__VA_ARGS__)
+
+static int endpoint_stream_enum_params (void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint_stream *this = data->stream;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ while (true) {
+ index = next++;
+ if (index >= this->n_params)
+ break;
+
+ param = this->params[index];
+
+ if (param == NULL || !spa_pod_is_object_id(param, id))
+ continue;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", this, seq, index);
+
+ pw_endpoint_stream_resource_param(resource, seq, id, index, next, result);
+
+ if (++count == num)
+ break;
+ }
+ return 0;
+}
+
+static int endpoint_stream_subscribe_params (void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(data->subscribe_ids));
+ data->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ data->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ data->stream, pw_resource_get_id(resource), ids[i]);
+ endpoint_stream_enum_params(resource, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int endpoint_stream_set_param (void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint_stream *this = data->stream;
+
+ pw_client_endpoint_resource_set_param(this->client_ep->resource,
+ id, flags, param);
+
+ return 0;
+}
+
+static const struct pw_endpoint_stream_methods methods = {
+ PW_VERSION_ENDPOINT_STREAM_METHODS,
+ .subscribe_params = endpoint_stream_subscribe_params,
+ .enum_params = endpoint_stream_enum_params,
+ .set_param = endpoint_stream_set_param,
+};
+
+struct emit_param_data {
+ struct endpoint_stream *this;
+ struct spa_pod *param;
+ uint32_t id;
+ uint32_t index;
+ uint32_t next;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct emit_param_data *d = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == d->id) {
+ pw_endpoint_stream_resource_param(resource, 1,
+ d->id, d->index, d->next, d->param);
+ }
+ }
+ return 0;
+}
+
+static void endpoint_stream_notify_subscribed(struct endpoint_stream *this,
+ uint32_t index, uint32_t next)
+{
+ struct pw_global *global = this->global;
+ struct emit_param_data data;
+ struct spa_pod *param = this->params[index];
+
+ if (!param || !spa_pod_is_object (param))
+ return;
+
+ data.this = this;
+ data.param = param;
+ data.id = SPA_POD_OBJECT_ID (param);
+ data.index = index;
+ data.next = next;
+
+ pw_global_for_each_resource(global, emit_param, &data);
+}
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ struct endpoint_stream *this = data;
+ pw_endpoint_stream_resource_info(resource, &this->info);
+ return 0;
+}
+
+int endpoint_stream_update(struct endpoint_stream *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_stream_info *info)
+{
+ if (change_mask & PW_CLIENT_ENDPOINT_UPDATE_PARAMS) {
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: update %d params", this, n_params);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ this->n_params = n_params;
+ if (this->n_params == 0) {
+ free(this->params);
+ this->params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->params, n_params, sizeof(struct spa_pod*));
+ if (p == NULL) {
+ free(this->params);
+ this->params = NULL;
+ this->n_params = 0;
+ goto no_mem;
+ }
+ this->params = p;
+ }
+ for (i = 0; i < this->n_params; i++) {
+ this->params[i] = params[i] ? spa_pod_copy(params[i]) : NULL;
+ endpoint_stream_notify_subscribed(this, i, i+1);
+ }
+ }
+
+ if (change_mask & PW_CLIENT_ENDPOINT_UPDATE_INFO) {
+ if (info->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_LINK_PARAMS) {
+ free(this->info.link_params);
+ this->info.link_params = spa_pod_copy(info->link_params);
+ }
+
+ if (info->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PROPS)
+ pw_properties_update(this->props, info->props);
+
+ if (info->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS) {
+ this->info.n_params = info->n_params;
+ if (info->n_params == 0) {
+ free(this->info.params);
+ this->info.params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->info.params, info->n_params, sizeof(struct spa_param_info));
+ if (p == NULL) {
+ free(this->info.params);
+ this->info.params = NULL;
+ this->info.n_params = 0;
+ goto no_mem;
+ }
+ this->info.params = p;
+ memcpy(this->info.params, info->params, info->n_params * sizeof(struct spa_param_info));
+ }
+ }
+
+ if (!this->info.name)
+ this->info.name = info->name ? strdup(info->name) : NULL;
+
+ this->info.change_mask = info->change_mask;
+ pw_global_for_each_resource(this->global, emit_info, this);
+ this->info.change_mask = 0;
+ }
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't update: no memory");
+ pw_resource_error(this->client_ep->resource, -ENOMEM,
+ NAME" can't update: no memory");
+ return -ENOMEM;
+}
+
+static int endpoint_stream_bind(void *_data, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct endpoint_stream *this = _data;
+ struct pw_global *global = this->global;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ pw_global_get_type(global), version, sizeof(*data));
+ if (resource == NULL)
+ goto no_mem;
+
+ data = pw_resource_get_user_data(resource);
+ data->stream = this;
+ pw_resource_add_object_listener(resource, &data->object_listener,
+ &methods, resource);
+
+ pw_log_debug(NAME" %p: bound to %d", this, pw_resource_get_id(resource));
+ pw_global_add_resource(global, resource);
+
+ this->info.change_mask = PW_ENDPOINT_STREAM_CHANGE_MASK_ALL;
+ pw_endpoint_stream_resource_info(resource, &this->info);
+ this->info.change_mask = 0;
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't create resource: no memory");
+ pw_resource_error(this->client_ep->resource, -ENOMEM,
+ NAME" can't create resource: no memory");
+ return -ENOMEM;
+}
+
+int endpoint_stream_init(struct endpoint_stream *this,
+ uint32_t id, uint32_t endpoint_id,
+ struct client_endpoint *client_ep,
+ struct pw_context *context,
+ struct pw_properties *properties)
+{
+ pw_log_debug(NAME" %p: new", this);
+
+ this->client_ep = client_ep;
+ this->id = id;
+ this->props = properties;
+
+ pw_properties_setf(properties, PW_KEY_ENDPOINT_ID, "%u", endpoint_id);
+
+ properties = pw_properties_copy(properties);
+ if (!properties)
+ goto no_mem;
+
+ this->global = pw_global_new (context,
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ properties, endpoint_stream_bind, this);
+ if (!this->global)
+ goto no_mem;
+
+ pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
+ pw_global_get_id(this->global));
+ pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+ pw_global_get_serial(this->global));
+
+ this->info.version = PW_VERSION_ENDPOINT_STREAM_INFO;
+ this->info.id = pw_global_get_id(this->global);
+ this->info.endpoint_id = endpoint_id;
+ this->info.props = &this->props->dict;
+
+ return pw_global_register(this->global);
+
+ no_mem:
+ pw_log_error(NAME" - can't create - out of memory");
+ return -ENOMEM;
+}
+
+void endpoint_stream_clear(struct endpoint_stream *this)
+{
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ pw_global_destroy(this->global);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ free(this->params);
+
+ free(this->info.name);
+ free(this->info.link_params);
+ free(this->info.params);
+
+ pw_properties_free(this->props);
+}
diff --git a/src/modules/module-session-manager/client-endpoint/endpoint-stream.h b/src/modules/module-session-manager/client-endpoint/endpoint-stream.h
new file mode 100644
index 0000000..7172287
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/endpoint-stream.h
@@ -0,0 +1,64 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_ENDPOINT_STREAM_H
+#define MODULE_SESSION_MANAGER_ENDPOINT_STREAM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_endpoint;
+
+struct endpoint_stream {
+ struct spa_list link;
+ struct client_endpoint *client_ep;
+ struct pw_global *global;
+ uint32_t id; /* endpoint-local stream id */
+ uint32_t n_params;
+ struct spa_pod **params;
+ struct pw_endpoint_stream_info info;
+ struct pw_properties *props; /* wrapper of info.props */
+};
+
+int endpoint_stream_init(struct endpoint_stream *this,
+ uint32_t id, uint32_t endpoint_id,
+ struct client_endpoint *client_ep,
+ struct pw_context *context,
+ struct pw_properties *properties);
+
+void endpoint_stream_clear(struct endpoint_stream *this);
+
+int endpoint_stream_update(struct endpoint_stream *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_stream_info *info);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_ENDPOINT_STREAM_H */
diff --git a/src/modules/module-session-manager/client-endpoint/endpoint.c b/src/modules/module-session-manager/client-endpoint/endpoint.c
new file mode 100644
index 0000000..aa13989
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/endpoint.c
@@ -0,0 +1,385 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include <spa/pod/filter.h>
+
+#include "endpoint.h"
+#include "client-endpoint.h"
+
+#define NAME "endpoint"
+
+struct resource_data {
+ struct endpoint *endpoint;
+ struct spa_hook object_listener;
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+#define pw_endpoint_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_events,m,v,__VA_ARGS__)
+#define pw_endpoint_resource_info(r,...) \
+ pw_endpoint_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_resource_param(r,...) \
+ pw_endpoint_resource(r,param,0,__VA_ARGS__)
+
+static int endpoint_enum_params (void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint *this = data->endpoint;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ pw_log_debug(NAME" %p: param %u %d/%d", this, id, start, num);
+
+ while (true) {
+ index = next++;
+ if (index >= this->n_params)
+ break;
+
+ param = this->params[index];
+
+ if (param == NULL || !spa_pod_is_object_id(param, id))
+ continue;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", this, seq, index);
+
+ pw_endpoint_resource_param(resource, seq, id, index, next, result);
+
+ if (++count == num)
+ break;
+ }
+ return 0;
+}
+
+static int endpoint_subscribe_params (void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(data->subscribe_ids));
+ data->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ data->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ data->endpoint, pw_resource_get_id(resource), ids[i]);
+ endpoint_enum_params(resource, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int endpoint_set_param (void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint *this = data->endpoint;
+
+ pw_log_debug("%p", this);
+ pw_client_endpoint_resource_set_param(this->client_ep->resource,
+ id, flags, param);
+
+ return 0;
+}
+
+static int endpoint_create_link(void *object, const struct spa_dict *props)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint *this = data->endpoint;
+
+ pw_log_debug("%p", this);
+ pw_client_endpoint_resource_create_link(this->client_ep->resource,
+ props);
+
+ return 0;
+}
+
+static const struct pw_endpoint_methods methods = {
+ PW_VERSION_ENDPOINT_METHODS,
+ .subscribe_params = endpoint_subscribe_params,
+ .enum_params = endpoint_enum_params,
+ .set_param = endpoint_set_param,
+ .create_link = endpoint_create_link,
+};
+
+struct emit_param_data {
+ struct endpoint *this;
+ struct spa_pod *param;
+ uint32_t id;
+ uint32_t index;
+ uint32_t next;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct emit_param_data *d = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == d->id) {
+ pw_endpoint_resource_param(resource, 1,
+ d->id, d->index, d->next, d->param);
+ }
+ }
+ return 0;
+}
+
+static void endpoint_notify_subscribed(struct endpoint *this,
+ uint32_t index, uint32_t next)
+{
+ struct pw_global *global = this->global;
+ struct emit_param_data data;
+ struct spa_pod *param = this->params[index];
+
+ if (!param || !spa_pod_is_object (param))
+ return;
+
+ data.this = this;
+ data.param = param;
+ data.id = SPA_POD_OBJECT_ID (param);
+ data.index = index;
+ data.next = next;
+
+ pw_global_for_each_resource(global, emit_param, &data);
+}
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ struct endpoint *this = data;
+ pw_endpoint_resource_info(resource, &this->info);
+ return 0;
+}
+
+int endpoint_update(struct endpoint *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_info *info)
+{
+ if (change_mask & PW_CLIENT_ENDPOINT_UPDATE_PARAMS) {
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: update %d params", this, n_params);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ this->n_params = n_params;
+ if (this->n_params == 0) {
+ free(this->params);
+ this->params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->params, n_params, sizeof(struct spa_pod*));
+ if (p == NULL) {
+ free(this->params);
+ this->params = NULL;
+ this->n_params = 0;
+ goto no_mem;
+ }
+ this->params = p;
+ }
+ for (i = 0; i < this->n_params; i++) {
+ this->params[i] = params[i] ? spa_pod_copy(params[i]) : NULL;
+ endpoint_notify_subscribed(this, i, i+1);
+ }
+ }
+
+ if (change_mask & PW_CLIENT_ENDPOINT_UPDATE_INFO) {
+ if (info->change_mask & PW_ENDPOINT_CHANGE_MASK_STREAMS)
+ this->info.n_streams = info->n_streams;
+
+ if (info->change_mask & PW_ENDPOINT_CHANGE_MASK_SESSION)
+ this->info.session_id = info->session_id;
+
+ if (info->change_mask & PW_ENDPOINT_CHANGE_MASK_PROPS)
+ pw_properties_update(this->props, info->props);
+
+ if (info->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) {
+ this->info.n_params = info->n_params;
+ if (info->n_params == 0) {
+ free(this->info.params);
+ this->info.params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->info.params, info->n_params, sizeof(struct spa_param_info));
+ if (p == NULL) {
+ free(this->info.params);
+ this->info.params = NULL;
+ this->info.n_params = 0;
+ goto no_mem;
+ }
+ this->info.params = p;
+ memcpy(this->info.params, info->params, info->n_params * sizeof(struct spa_param_info));
+ }
+ }
+
+ if (!this->info.name) {
+ this->info.name = info->name ? strdup(info->name) : NULL;
+ this->info.media_class = info->media_class ? strdup(info->media_class) : NULL;
+ this->info.direction = info->direction;
+ this->info.flags = info->flags;
+ }
+
+ this->info.change_mask = info->change_mask;
+ pw_global_for_each_resource(this->global, emit_info, this);
+ this->info.change_mask = 0;
+ }
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't update: no memory");
+ pw_resource_error(this->client_ep->resource, -ENOMEM,
+ NAME" can't update: no memory");
+ return -ENOMEM;
+}
+
+static int endpoint_bind(void *_data, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct endpoint *this = _data;
+ struct pw_global *global = this->global;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ pw_global_get_type(global), version, sizeof(*data));
+ if (resource == NULL)
+ goto no_mem;
+
+ data = pw_resource_get_user_data(resource);
+ data->endpoint = this;
+ pw_resource_add_object_listener(resource, &data->object_listener,
+ &methods, resource);
+
+ pw_log_debug(NAME" %p: bound to %d", this, pw_resource_get_id(resource));
+ pw_global_add_resource(global, resource);
+
+ this->info.change_mask = PW_ENDPOINT_CHANGE_MASK_ALL;
+ pw_endpoint_resource_info(resource, &this->info);
+ this->info.change_mask = 0;
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't create resource: no memory");
+ pw_resource_error(this->client_ep->resource, -ENOMEM,
+ NAME" can't create resource: no memory");
+ return -ENOMEM;
+}
+
+int endpoint_init(struct endpoint *this,
+ struct client_endpoint *client_ep,
+ struct pw_context *context,
+ struct pw_properties *properties)
+{
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ PW_KEY_FACTORY_ID,
+ PW_KEY_CLIENT_ID,
+ PW_KEY_DEVICE_ID,
+ PW_KEY_NODE_ID,
+ PW_KEY_MEDIA_CLASS,
+ PW_KEY_SESSION_ID,
+ PW_KEY_PRIORITY_SESSION,
+ PW_KEY_ENDPOINT_NAME,
+ PW_KEY_ENDPOINT_CLIENT_ID,
+ PW_KEY_ENDPOINT_ICON_NAME,
+ PW_KEY_ENDPOINT_MONITOR,
+ NULL
+ };
+
+ pw_log_debug(NAME" %p: new", this);
+
+ this->client_ep = client_ep;
+ this->props = properties;
+
+ this->global = pw_global_new (context,
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ NULL, endpoint_bind, this);
+ if (!this->global)
+ goto no_mem;
+
+ pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
+ pw_global_get_id(this->global));
+ pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+ pw_global_get_serial(this->global));
+
+ this->info.version = PW_VERSION_ENDPOINT_INFO;
+ this->info.id = pw_global_get_id(this->global);
+ this->info.props = &this->props->dict;
+
+ pw_global_update_keys(this->global, &this->props->dict, keys);
+
+ pw_resource_set_bound_id(client_ep->resource, this->info.id);
+
+ return pw_global_register(this->global);
+
+ no_mem:
+ pw_log_error(NAME" - can't create - out of memory");
+ return -ENOMEM;
+}
+
+void endpoint_clear(struct endpoint *this)
+{
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ pw_global_destroy(this->global);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ free(this->params);
+
+ free(this->info.name);
+ free(this->info.media_class);
+ free(this->info.params);
+
+ pw_properties_free(this->props);
+}
diff --git a/src/modules/module-session-manager/client-endpoint/endpoint.h b/src/modules/module-session-manager/client-endpoint/endpoint.h
new file mode 100644
index 0000000..5ceff39
--- /dev/null
+++ b/src/modules/module-session-manager/client-endpoint/endpoint.h
@@ -0,0 +1,61 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_ENDPOINT_H
+#define MODULE_SESSION_MANAGER_ENDPOINT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_endpoint;
+
+struct endpoint {
+ struct client_endpoint *client_ep;
+ struct pw_global *global;
+ uint32_t n_params;
+ struct spa_pod **params;
+ struct pw_endpoint_info info;
+ struct pw_properties *props; /* wrapper of info.props */
+};
+
+int endpoint_init(struct endpoint *this,
+ struct client_endpoint *client_ep,
+ struct pw_context *context,
+ struct pw_properties *properties);
+
+void endpoint_clear(struct endpoint *this);
+
+int endpoint_update(struct endpoint *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_info *info);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_ENDPOINT_H */
diff --git a/src/modules/module-session-manager/client-session/client-session.c b/src/modules/module-session-manager/client-session/client-session.c
new file mode 100644
index 0000000..89997c9
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/client-session.c
@@ -0,0 +1,295 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <spa/utils/result.h>
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include "client-session.h"
+#include "session.h"
+#include "endpoint-link.h"
+
+#define NAME "client-session"
+
+struct factory_data {
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+};
+
+static struct endpoint_link *find_link(struct client_session *this, uint32_t id)
+{
+ struct endpoint_link *l;
+ spa_list_for_each(l, &this->links, link) {
+ if (l->id == id)
+ return l;
+ }
+ return NULL;
+}
+
+static int client_session_update(void *object,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_session_info *info)
+{
+ struct client_session *this = object;
+ struct session *session = &this->session;
+
+ return session_update(session, change_mask, n_params, params, info);
+}
+
+static int client_session_link_update(void *object,
+ uint32_t link_id,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_link_info *info)
+{
+ struct client_session *this = object;
+ struct session *session = &this->session;
+ struct endpoint_link *link = find_link(this, link_id);
+ struct pw_properties *props = NULL;
+
+ if (!link) {
+ static const char * const keys[] = {
+ PW_KEY_FACTORY_ID,
+ PW_KEY_CLIENT_ID,
+ PW_KEY_SESSION_ID,
+ PW_KEY_ENDPOINT_LINK_OUTPUT_ENDPOINT,
+ PW_KEY_ENDPOINT_LINK_OUTPUT_STREAM,
+ PW_KEY_ENDPOINT_LINK_INPUT_ENDPOINT,
+ PW_KEY_ENDPOINT_LINK_INPUT_STREAM,
+ NULL
+ };
+
+ struct pw_context *context = pw_global_get_context(session->global);
+
+ link = calloc(1, sizeof(struct endpoint_link));
+ if (!link)
+ goto no_mem;
+
+ props = pw_properties_new(NULL, NULL);
+ if (!props)
+ goto no_mem;
+ pw_properties_update_keys(props, &session->props->dict, keys);
+ if (info && info->props)
+ pw_properties_update_keys(props, info->props, keys);
+
+ if (endpoint_link_init(link, link_id, session->info.id,
+ this, context, props) < 0)
+ goto no_mem;
+
+ spa_list_append(&this->links, &link->link);
+ }
+ else if (change_mask & PW_CLIENT_SESSION_LINK_UPDATE_DESTROYED) {
+ endpoint_link_clear(link);
+ spa_list_remove(&link->link);
+ free(link);
+ link = NULL;
+ }
+
+ return link ?
+ endpoint_link_update(link, change_mask, n_params, params, info)
+ : 0;
+
+ no_mem:
+ pw_properties_free(props);
+ free(link);
+ pw_log_error(NAME" %p: cannot update link: no memory", this);
+ pw_resource_error(this->resource, -ENOMEM,
+ "cannot update link: no memory");
+ return -ENOMEM;
+}
+
+static const struct pw_client_session_methods methods = {
+ PW_VERSION_CLIENT_SESSION_METHODS,
+ .update = client_session_update,
+ .link_update = client_session_link_update,
+};
+
+static void client_session_destroy(void *data)
+{
+ struct client_session *this = data;
+ struct endpoint_link *l;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ spa_list_consume(l, &this->links, link) {
+ endpoint_link_clear(l);
+ spa_list_remove(&l->link);
+ free(l);
+ }
+ session_clear(&this->session);
+ spa_hook_remove(&this->resource_listener);
+
+ free(this);
+}
+
+static const struct pw_resource_events resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = client_session_destroy,
+};
+
+static void *create_object(void *data,
+ struct pw_resource *owner_resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_impl_factory *factory = d->factory;
+ struct client_session *this;
+ struct pw_impl_client *owner = pw_resource_get_client(owner_resource);
+ struct pw_context *context = pw_impl_client_get_context(owner);
+
+ this = calloc(1, sizeof(struct client_session));
+ if (this == NULL)
+ goto no_mem;
+
+ spa_list_init(&this->links);
+
+ pw_log_debug(NAME" %p: new", this);
+
+ if (!properties)
+ properties = pw_properties_new(NULL, NULL);
+ if (!properties)
+ goto no_mem;
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(owner)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(factory)->id);
+
+ this->resource = pw_resource_new(owner, new_id, PW_PERM_ALL, type, version, 0);
+ if (this->resource == NULL)
+ goto no_mem;
+
+ if (session_init(&this->session, this, context, properties) < 0)
+ goto no_mem;
+
+ pw_resource_add_listener(this->resource, &this->resource_listener,
+ &resource_events, this);
+ pw_resource_add_object_listener(this->resource, &this->object_listener,
+ &methods, this);
+
+ return this;
+
+ no_mem:
+ pw_properties_free(properties);
+ if (this && this->resource)
+ pw_resource_destroy(this->resource);
+ free(this);
+ pw_log_error("can't create client session: no memory");
+ pw_resource_error(owner_resource, -ENOMEM,
+ "can't create client session: no memory");
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->module_listener);
+ d->module = NULL;
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int client_session_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+
+ factory = pw_context_create_factory(context,
+ "client-session",
+ PW_TYPE_INTERFACE_ClientSession,
+ PW_VERSION_CLIENT_SESSION,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -ENOMEM;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+}
diff --git a/src/modules/module-session-manager/client-session/client-session.h b/src/modules/module-session-manager/client-session/client-session.h
new file mode 100644
index 0000000..fc6124c
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/client-session.h
@@ -0,0 +1,62 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_CLIENT_SESSION_H
+#define MODULE_SESSION_MANAGER_CLIENT_SESSION_H
+
+#include "session.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_session {
+ struct pw_resource *resource;
+ struct spa_hook resource_listener;
+ struct spa_hook object_listener;
+ struct session session;
+ struct spa_list links;
+};
+
+#define pw_client_session_resource(r,m,v,...) \
+ pw_resource_call_res(r,struct pw_client_session_events,m,v,__VA_ARGS__)
+#define pw_client_session_resource_set_id(r,...) \
+ pw_client_session_resource(r,set_id,0,__VA_ARGS__)
+#define pw_client_session_resource_set_param(r,...) \
+ pw_client_session_resource(r,set_param,0,__VA_ARGS__)
+#define pw_client_session_resource_link_set_param(r,...) \
+ pw_client_session_resource(r,link_set_param,0,__VA_ARGS__)
+#define pw_client_session_resource_create_link(r,...) \
+ pw_client_session_resource(r,create_link,0,__VA_ARGS__)
+#define pw_client_session_resource_destroy_link(r,...) \
+ pw_client_session_resource(r,destroy_link,0,__VA_ARGS__)
+#define pw_client_session_resource_link_request_state(r,...) \
+ pw_client_session_resource(r,link_request_state,0,__VA_ARGS__)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_CLIENT_SESSION_H */
diff --git a/src/modules/module-session-manager/client-session/endpoint-link.c b/src/modules/module-session-manager/client-session/endpoint-link.c
new file mode 100644
index 0000000..0bdbfc9
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/endpoint-link.c
@@ -0,0 +1,369 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include <spa/pod/filter.h>
+
+#include "endpoint-link.h"
+#include "client-session.h"
+
+#define NAME "endpoint-link"
+
+struct resource_data {
+ struct endpoint_link *link;
+ struct spa_hook object_listener;
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+#define pw_endpoint_link_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_link_events,m,v,__VA_ARGS__)
+#define pw_endpoint_link_resource_info(r,...) \
+ pw_endpoint_link_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_link_resource_param(r,...) \
+ pw_endpoint_link_resource(r,param,0,__VA_ARGS__)
+
+static int endpoint_link_enum_params (void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint_link *this = data->link;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ while (true) {
+ index = next++;
+ if (index >= this->n_params)
+ break;
+
+ param = this->params[index];
+
+ if (param == NULL || !spa_pod_is_object_id(param, id))
+ continue;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", this, seq, index);
+
+ pw_endpoint_link_resource_param(resource, seq, id, index, next, result);
+
+ if (++count == num)
+ break;
+ }
+ return 0;
+}
+
+static int endpoint_link_subscribe_params (void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(data->subscribe_ids));
+ data->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ data->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ data->link, pw_resource_get_id(resource), ids[i]);
+ endpoint_link_enum_params(resource, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int endpoint_link_set_param (void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint_link *this = data->link;
+
+ pw_client_session_resource_set_param(this->client_sess->resource,
+ id, flags, param);
+
+ return 0;
+}
+
+static int endpoint_link_request_state(void *object, enum pw_endpoint_link_state state)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct endpoint_link *this = data->link;
+
+ pw_client_session_resource_link_request_state(this->client_sess->resource,
+ this->id, state);
+
+ return 0;
+}
+
+static const struct pw_endpoint_link_methods methods = {
+ PW_VERSION_ENDPOINT_LINK_METHODS,
+ .subscribe_params = endpoint_link_subscribe_params,
+ .enum_params = endpoint_link_enum_params,
+ .set_param = endpoint_link_set_param,
+ .request_state = endpoint_link_request_state,
+};
+
+struct emit_param_data {
+ struct endpoint_link *this;
+ struct spa_pod *param;
+ uint32_t id;
+ uint32_t index;
+ uint32_t next;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct emit_param_data *d = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == d->id) {
+ pw_endpoint_link_resource_param(resource, 1,
+ d->id, d->index, d->next, d->param);
+ }
+ }
+ return 0;
+}
+
+static void endpoint_link_notify_subscribed(struct endpoint_link *this,
+ uint32_t index, uint32_t next)
+{
+ struct pw_global *global = this->global;
+ struct emit_param_data data;
+ struct spa_pod *param = this->params[index];
+
+ if (!param || !spa_pod_is_object (param))
+ return;
+
+ data.this = this;
+ data.param = param;
+ data.id = SPA_POD_OBJECT_ID (param);
+ data.index = index;
+ data.next = next;
+
+ pw_global_for_each_resource(global, emit_param, &data);
+}
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ struct endpoint_link *this = data;
+ pw_endpoint_link_resource_info(resource, &this->info);
+ return 0;
+}
+
+int endpoint_link_update(struct endpoint_link *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_link_info *info)
+{
+ if (change_mask & PW_CLIENT_SESSION_UPDATE_PARAMS) {
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: update %d params", this, n_params);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ this->n_params = n_params;
+ if (this->n_params == 0) {
+ free(this->params);
+ this->params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->params, n_params, sizeof(struct spa_pod*));
+ if (p == NULL) {
+ free(this->params);
+ this->params = NULL;
+ this->n_params = 0;
+ goto no_mem;
+ }
+ this->params = p;
+ }
+ for (i = 0; i < this->n_params; i++) {
+ this->params[i] = params[i] ? spa_pod_copy(params[i]) : NULL;
+ endpoint_link_notify_subscribed(this, i, i+1);
+ }
+ }
+
+ if (change_mask & PW_CLIENT_SESSION_UPDATE_INFO) {
+ if (info->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_STATE) {
+ this->info.state = info->state;
+ free(this->info.error);
+ this->info.error = info->error ? strdup(info->error) : NULL;
+ }
+
+ if (info->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PROPS)
+ pw_properties_update(this->props, info->props);
+
+ if (info->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS) {
+ this->info.n_params = info->n_params;
+ if (info->n_params == 0) {
+ free(this->info.params);
+ this->info.params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->info.params, info->n_params, sizeof(struct spa_param_info));
+ if (p == NULL) {
+ free(this->info.params);
+ this->info.params = NULL;
+ this->info.n_params = 0;
+ goto no_mem;
+ }
+ this->info.params = p;
+ memcpy(this->info.params, info->params, info->n_params * sizeof(struct spa_param_info));
+ }
+ }
+
+ if (!this->info.output_endpoint_id) {
+ this->info.output_endpoint_id = info->output_endpoint_id;
+ this->info.output_stream_id = info->output_stream_id;
+ this->info.input_endpoint_id = info->input_endpoint_id;
+ this->info.input_stream_id = info->input_stream_id;
+ }
+
+ this->info.change_mask = info->change_mask;
+ pw_global_for_each_resource(this->global, emit_info, this);
+ this->info.change_mask = 0;
+ }
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" %p: can't update: no memory", this);
+ pw_resource_error(this->client_sess->resource, -ENOMEM,
+ "can't update: no memory");
+ return -ENOMEM;
+}
+
+static int endpoint_link_bind(void *_data, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct endpoint_link *this = _data;
+ struct pw_global *global = this->global;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ pw_global_get_type(global), version, sizeof(*data));
+ if (resource == NULL)
+ goto no_mem;
+
+ data = pw_resource_get_user_data(resource);
+ data->link = this;
+ pw_resource_add_object_listener(resource, &data->object_listener,
+ &methods, resource);
+
+ pw_log_debug(NAME" %p: bound to %d", this, pw_resource_get_id(resource));
+ pw_global_add_resource(global, resource);
+
+ this->info.change_mask = PW_ENDPOINT_LINK_CHANGE_MASK_ALL;
+ pw_endpoint_link_resource_info(resource, &this->info);
+ this->info.change_mask = 0;
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" %p: can't create resource: no memory", this);
+ pw_resource_error(this->client_sess->resource, -ENOMEM,
+ "can't create resource: no memory");
+ return -ENOMEM;
+}
+
+int endpoint_link_init(struct endpoint_link *this,
+ uint32_t id, uint32_t session_id,
+ struct client_session *client_sess,
+ struct pw_context *context,
+ struct pw_properties *properties)
+{
+ pw_log_debug(NAME" %p: new", this);
+
+ this->client_sess = client_sess;
+ this->id = id;
+ this->props = properties;
+
+ pw_properties_setf(properties, PW_KEY_SESSION_ID, "%u", session_id);
+
+ properties = pw_properties_copy(properties);
+ if (!properties)
+ goto no_mem;
+
+ this->global = pw_global_new(context,
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ properties, endpoint_link_bind, this);
+ if (!this->global)
+ goto no_mem;
+
+ pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
+ pw_global_get_id(this->global));
+ pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+ pw_global_get_serial(this->global));
+
+ this->info.version = PW_VERSION_ENDPOINT_LINK_INFO;
+ this->info.id = pw_global_get_id(this->global);
+ this->info.session_id = session_id;
+ this->info.props = &this->props->dict;
+
+ return pw_global_register(this->global);
+
+ no_mem:
+ pw_log_error(NAME" - can't create - out of memory");
+ return -ENOMEM;
+}
+
+void endpoint_link_clear(struct endpoint_link *this)
+{
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ pw_global_destroy(this->global);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ free(this->params);
+
+ free(this->info.error);
+ free(this->info.params);
+
+ pw_properties_free(this->props);
+}
diff --git a/src/modules/module-session-manager/client-session/endpoint-link.h b/src/modules/module-session-manager/client-session/endpoint-link.h
new file mode 100644
index 0000000..c75f975
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/endpoint-link.h
@@ -0,0 +1,65 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_ENDPOINT_LINK_H
+#define MODULE_SESSION_MANAGER_ENDPOINT_LINK_H
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_session;
+
+struct endpoint_link {
+ struct spa_list link;
+ struct client_session *client_sess;
+ struct pw_global *global;
+ uint32_t id; /* session-local link id */
+ uint32_t n_params;
+ struct spa_pod **params;
+ struct pw_endpoint_link_info info;
+ struct pw_properties *props; /* wrapper of info.props */
+};
+
+int endpoint_link_init(struct endpoint_link *this,
+ uint32_t id, uint32_t session_id,
+ struct client_session *client_sess,
+ struct pw_context *context,
+ struct pw_properties *properties);
+
+void endpoint_link_clear(struct endpoint_link *this);
+
+int endpoint_link_update(struct endpoint_link *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_link_info *info);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_ENDPOINT_LINK_H */
diff --git a/src/modules/module-session-manager/client-session/session.c b/src/modules/module-session-manager/client-session/session.c
new file mode 100644
index 0000000..87c1b96
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/session.c
@@ -0,0 +1,344 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+
+#include <spa/pod/filter.h>
+
+#include "session.h"
+#include "client-session.h"
+
+#define NAME "session"
+
+struct resource_data {
+ struct session *session;
+ struct spa_hook object_listener;
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+#define pw_session_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_session_events,m,v,__VA_ARGS__)
+#define pw_session_resource_info(r,...) \
+ pw_session_resource(r,info,0,__VA_ARGS__)
+#define pw_session_resource_param(r,...) \
+ pw_session_resource(r,param,0,__VA_ARGS__)
+
+static int session_enum_params (void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct session *this = data->session;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ while (true) {
+ index = next++;
+ if (index >= this->n_params)
+ break;
+
+ param = this->params[index];
+
+ if (param == NULL || !spa_pod_is_object_id(param, id))
+ continue;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", this, seq, index);
+
+ pw_session_resource_param(resource, seq, id, index, next, result);
+
+ if (++count == num)
+ break;
+ }
+ return 0;
+}
+
+static int session_subscribe_params (void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(data->subscribe_ids));
+ data->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ data->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ data->session, pw_resource_get_id(resource), ids[i]);
+ session_enum_params(resource, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int session_set_param (void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct resource_data *data = pw_resource_get_user_data(resource);
+ struct session *this = data->session;
+
+ pw_client_session_resource_set_param(this->client_sess->resource,
+ id, flags, param);
+
+ return 0;
+}
+
+static const struct pw_session_methods methods = {
+ PW_VERSION_SESSION_METHODS,
+ .subscribe_params = session_subscribe_params,
+ .enum_params = session_enum_params,
+ .set_param = session_set_param,
+};
+
+struct emit_param_data {
+ struct session *this;
+ struct spa_pod *param;
+ uint32_t id;
+ uint32_t index;
+ uint32_t next;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct emit_param_data *d = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == d->id) {
+ pw_session_resource_param(resource, 1,
+ d->id, d->index, d->next, d->param);
+ }
+ }
+ return 0;
+}
+
+static void session_notify_subscribed(struct session *this,
+ uint32_t index, uint32_t next)
+{
+ struct pw_global *global = this->global;
+ struct emit_param_data data;
+ struct spa_pod *param = this->params[index];
+
+ if (!param || !spa_pod_is_object (param))
+ return;
+
+ data.this = this;
+ data.param = param;
+ data.id = SPA_POD_OBJECT_ID (param);
+ data.index = index;
+ data.next = next;
+
+ pw_global_for_each_resource(global, emit_param, &data);
+}
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ struct session *this = data;
+ pw_session_resource_info(resource, &this->info);
+ return 0;
+}
+
+int session_update(struct session *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_session_info *info)
+{
+ if (change_mask & PW_CLIENT_SESSION_UPDATE_PARAMS) {
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: update %d params", this, n_params);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ this->n_params = n_params;
+ if (this->n_params == 0) {
+ free(this->params);
+ this->params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->params, n_params, sizeof(struct spa_pod*));
+ if (p == NULL) {
+ free(this->params);
+ this->params = NULL;
+ this->n_params = 0;
+ goto no_mem;
+ }
+ this->params = p;
+ }
+ for (i = 0; i < this->n_params; i++) {
+ this->params[i] = params[i] ? spa_pod_copy(params[i]) : NULL;
+ session_notify_subscribed(this, i, i+1);
+ }
+ }
+
+ if (change_mask & PW_CLIENT_SESSION_UPDATE_INFO) {
+ if (info->change_mask & PW_SESSION_CHANGE_MASK_PROPS)
+ pw_properties_update(this->props, info->props);
+
+ if (info->change_mask & PW_SESSION_CHANGE_MASK_PARAMS) {
+ this->info.n_params = info->n_params;
+ if (info->n_params == 0) {
+ free(this->info.params);
+ this->info.params = NULL;
+ } else {
+ void *p;
+ p = pw_reallocarray(this->info.params, info->n_params, sizeof(struct spa_param_info));
+ if (p == NULL) {
+ free(this->info.params);
+ this->info.params = NULL;
+ this->info.n_params = 0;
+ goto no_mem;
+ }
+ this->info.params = p;
+ memcpy(this->info.params, info->params, info->n_params * sizeof(struct spa_param_info));
+ }
+ }
+ this->info.change_mask = info->change_mask;
+ pw_global_for_each_resource(this->global, emit_info, this);
+ this->info.change_mask = 0;
+ }
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't update: no memory");
+ pw_resource_error(this->client_sess->resource, -ENOMEM,
+ NAME" can't update: no memory");
+ return -ENOMEM;
+}
+
+static int session_bind(void *_data, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct session *this = _data;
+ struct pw_global *global = this->global;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ pw_global_get_type(global), version, sizeof(*data));
+ if (resource == NULL)
+ goto no_mem;
+
+ data = pw_resource_get_user_data(resource);
+ data->session = this;
+
+ pw_resource_add_object_listener(resource, &data->object_listener,
+ &methods, resource);
+
+ pw_log_debug(NAME" %p: bound to %d", this, pw_resource_get_id(resource));
+ pw_global_add_resource(global, resource);
+
+ this->info.change_mask = PW_SESSION_CHANGE_MASK_ALL;
+ pw_session_resource_info(resource, &this->info);
+ this->info.change_mask = 0;
+
+ return 0;
+
+ no_mem:
+ pw_log_error(NAME" can't create resource: no memory");
+ pw_resource_error(this->client_sess->resource, -ENOMEM,
+ NAME" can't create resource: no memory");
+ return -ENOMEM;
+}
+
+int session_init(struct session *this,
+ struct client_session *client_sess,
+ struct pw_context *context,
+ struct pw_properties *properties)
+{
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ PW_KEY_FACTORY_ID,
+ PW_KEY_CLIENT_ID,
+ NULL
+ };
+
+ pw_log_debug(NAME" %p: new", this);
+
+ this->client_sess = client_sess;
+ this->props = properties;
+
+ this->global = pw_global_new (context,
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ NULL, session_bind, this);
+ if (!this->global)
+ goto no_mem;
+
+ pw_properties_setf(this->props, PW_KEY_OBJECT_ID, "%u",
+ pw_global_get_id(this->global));
+ pw_properties_setf(this->props, PW_KEY_OBJECT_SERIAL, "%"PRIu64,
+ pw_global_get_serial(this->global));
+
+ this->info.version = PW_VERSION_SESSION_INFO;
+ this->info.id = pw_global_get_id(this->global);
+ this->info.props = &this->props->dict;
+
+ pw_global_update_keys(this->global, &this->props->dict, keys);
+
+ pw_resource_set_bound_id(client_sess->resource, this->info.id);
+
+ return pw_global_register(this->global);
+
+ no_mem:
+ pw_log_error(NAME" - can't create - out of memory");
+ return -ENOMEM;
+}
+
+void session_clear(struct session *this)
+{
+ uint32_t i;
+
+ pw_log_debug(NAME" %p: destroy", this);
+
+ pw_global_destroy(this->global);
+
+ for (i = 0; i < this->n_params; i++)
+ free(this->params[i]);
+ free(this->params);
+
+ free(this->info.params);
+
+ pw_properties_free(this->props);
+}
diff --git a/src/modules/module-session-manager/client-session/session.h b/src/modules/module-session-manager/client-session/session.h
new file mode 100644
index 0000000..a94b18f
--- /dev/null
+++ b/src/modules/module-session-manager/client-session/session.h
@@ -0,0 +1,62 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef MODULE_SESSION_MANAGER_SESSION_H
+#define MODULE_SESSION_MANAGER_SESSION_H
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct client_session;
+
+struct session {
+ struct client_session *client_sess;
+ struct pw_global *global;
+ uint32_t n_params;
+ struct spa_pod **params;
+ struct pw_session_info info;
+ struct pw_properties *props; /* wrapper of info.props */
+};
+
+int session_init(struct session *this,
+ struct client_session *client_sess,
+ struct pw_context *context,
+ struct pw_properties *properties);
+
+void session_clear(struct session *this);
+
+int session_update(struct session *this,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_session_info *info);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* MODULE_SESSION_MANAGER_SESSION_H */
diff --git a/src/modules/module-session-manager/endpoint-link.c b/src/modules/module-session-manager/endpoint-link.c
new file mode 100644
index 0000000..55ff580
--- /dev/null
+++ b/src/modules/module-session-manager/endpoint-link.c
@@ -0,0 +1,590 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+#include <pipewire/extensions/session-manager/introspect-funcs.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/filter.h>
+
+#define MAX_PARAMS 32
+
+#define NAME "endpoint-link"
+
+struct pw_proxy *pw_core_endpoint_link_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size);
+
+struct impl
+{
+ struct pw_global *global;
+ struct spa_hook global_listener;
+
+ union {
+ struct pw_endpoint_link *link;
+ struct pw_resource *resource;
+ };
+ struct spa_hook resource_listener;
+ struct spa_hook link_listener;
+
+ struct pw_endpoint_link_info *cached_info;
+ struct spa_list cached_params;
+
+ int ping_seq;
+ bool registered;
+};
+
+struct param_data
+{
+ struct spa_list link;
+ uint32_t id;
+ struct pw_array params;
+};
+
+struct resource_data
+{
+ struct impl *impl;
+
+ struct pw_resource *resource;
+ struct spa_hook object_listener;
+
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+struct factory_data
+{
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_export_type export;
+};
+
+#define pw_endpoint_link_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_link_events,m,v,__VA_ARGS__)
+
+#define pw_endpoint_link_resource_info(r,...) \
+ pw_endpoint_link_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_link_resource_param(r,...) \
+ pw_endpoint_link_resource(r,param,0,__VA_ARGS__)
+
+static int method_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ struct param_data *pdata;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ pw_log_debug(NAME" %p: param %u %d/%d", impl, id, start, num);
+
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ while (true) {
+ index = next++;
+ if (index >= pw_array_get_len(&pdata->params, void*))
+ return 0;
+
+ param = *pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", impl, seq, index);
+
+ pw_endpoint_link_resource_param(d->resource, seq, id, index, next, result);
+
+ if (++count == num)
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int method_subscribe_params(void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(d->subscribe_ids));
+ d->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ d->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ impl, pw_resource_get_id(d->resource), ids[i]);
+ method_enum_params(object, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int method_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ /* store only on the implementation; our cache will be updated
+ by the param event, since we are subscribed */
+ pw_endpoint_link_set_param(impl->link, id, flags, param);
+ return 0;
+}
+
+static int method_request_state(void *object, enum pw_endpoint_link_state state)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ pw_endpoint_link_request_state(impl->link, state);
+ return 0;
+}
+
+static const struct pw_endpoint_link_methods link_methods = {
+ PW_VERSION_ENDPOINT_LINK_METHODS,
+ .subscribe_params = method_subscribe_params,
+ .enum_params = method_enum_params,
+ .set_param = method_set_param,
+ .request_state = method_request_state,
+};
+
+static int global_bind(void *object, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct impl *impl = object;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ PW_TYPE_INTERFACE_EndpointLink,
+ version, sizeof(*data));
+ if (resource == NULL)
+ return -errno;
+
+ data = pw_resource_get_user_data(resource);
+ data->impl = impl;
+ data->resource = resource;
+
+ pw_global_add_resource(impl->global, resource);
+
+ /* resource methods -> implementation */
+ pw_resource_add_object_listener(resource,
+ &data->object_listener,
+ &link_methods, data);
+
+ impl->cached_info->change_mask = PW_ENDPOINT_LINK_CHANGE_MASK_ALL;
+ pw_endpoint_link_resource_info(resource, impl->cached_info);
+ impl->cached_info->change_mask = 0;
+
+ return 0;
+}
+
+static void global_destroy(void *data)
+{
+ struct impl *impl = data;
+ spa_hook_remove(&impl->global_listener);
+ impl->global = NULL;
+ if (impl->resource)
+ pw_resource_destroy(impl->resource);
+ free(impl);
+}
+
+static const struct pw_global_events global_events = {
+ PW_VERSION_GLOBAL_EVENTS,
+ .destroy = global_destroy,
+};
+
+static void impl_resource_destroy(void *data)
+{
+ struct impl *impl = data;
+ struct param_data *pdata, *tmp;
+
+ spa_hook_remove(&impl->resource_listener);
+ spa_hook_remove(&impl->link_listener);
+ impl->resource = NULL;
+
+ /* clear cache */
+ if (impl->cached_info)
+ pw_endpoint_link_info_free(impl->cached_info);
+ spa_list_for_each_safe(pdata, tmp, &impl->cached_params, link) {
+ struct spa_pod **pod;
+ pw_array_for_each(pod, &pdata->params)
+ free(*pod);
+ pw_array_clear(&pdata->params);
+ spa_list_remove(&pdata->link);
+ free(pdata);
+ }
+
+ if (impl->global)
+ pw_global_destroy(impl->global);
+}
+
+static void register_global(struct impl *impl)
+{
+ impl->cached_info->id = pw_global_get_id (impl->global);
+ pw_resource_set_bound_id(impl->resource, impl->cached_info->id);
+ pw_global_register(impl->global);
+ impl->registered = true;
+}
+
+static void impl_resource_pong (void *data, int seq)
+{
+ struct impl *impl = data;
+
+ /* complete registration, if this was the initial sync */
+ if (!impl->registered && seq == impl->ping_seq) {
+ register_global(impl);
+ }
+}
+
+static const struct pw_resource_events impl_resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = impl_resource_destroy,
+ .pong = impl_resource_pong,
+};
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ const struct pw_endpoint_link_info *info = data;
+ pw_endpoint_link_resource_info(resource, info);
+ return 0;
+}
+
+static void event_info(void *data, const struct pw_endpoint_link_info *info)
+{
+ struct impl *impl = data;
+ uint32_t changed_ids[MAX_PARAMS], n_changed_ids = 0;
+ uint32_t i;
+
+ /* figure out changes to params */
+ if (info->change_mask & PW_ENDPOINT_LINK_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if ((!impl->cached_info ||
+ info->params[i].flags != impl->cached_info->params[i].flags)
+ && info->params[i].flags & SPA_PARAM_INFO_READ)
+ changed_ids[n_changed_ids++] = info->params[i].id;
+ }
+ }
+
+ /* cache for new clients */
+ impl->cached_info = pw_endpoint_link_info_update (impl->cached_info, info);
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_info, (void*) info);
+
+ /* cache params & register */
+ if (n_changed_ids > 0) {
+ /* prepare params storage */
+ for (i = 0; i < n_changed_ids; i++) {
+ struct param_data *pdata = calloc(1, sizeof(struct param_data));
+ pdata->id = changed_ids[i];
+ pw_array_init(&pdata->params, sizeof(void*));
+ spa_list_append(&impl->cached_params, &pdata->link);
+ }
+
+ /* subscribe to impl */
+ pw_endpoint_link_subscribe_params(impl->link, changed_ids, n_changed_ids);
+
+ /* register asynchronously on the pong event */
+ impl->ping_seq = pw_resource_ping(impl->resource, 0);
+ }
+ else if (!impl->registered) {
+ register_global(impl);
+ }
+}
+
+struct param_event_args
+{
+ uint32_t id, index, next;
+ const struct spa_pod *param;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct param_event_args *args = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == args->id) {
+ pw_endpoint_link_resource_param(resource, 1,
+ args->id, args->index, args->next, args->param);
+ }
+ }
+ return 0;
+}
+
+static void event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct impl *impl = data;
+ struct param_data *pdata;
+ struct spa_pod **pod;
+ struct param_event_args args = { id, index, next, param };
+
+ /* cache for new requests */
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ if (!pw_array_check_index(&pdata->params, index, void*)) {
+ while (pw_array_get_len(&pdata->params, void*) <= index)
+ pw_array_add_ptr(&pdata->params, NULL);
+ }
+
+ pod = pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+ free(*pod);
+ *pod = spa_pod_copy(param);
+ }
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_param, &args);
+}
+
+static const struct pw_endpoint_link_events link_events = {
+ PW_VERSION_ENDPOINT_LINK_EVENTS,
+ .info = event_info,
+ .param = event_param,
+};
+
+static void *link_new(struct pw_context *context,
+ struct pw_resource *resource,
+ struct pw_properties *properties)
+{
+ struct impl *impl;
+ char serial_str[32];
+ struct spa_dict_item items[1] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_OBJECT_SERIAL, serial_str),
+ };
+ struct spa_dict extra_props = SPA_DICT_INIT_ARRAY(items);
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ NULL
+ };
+
+ impl = calloc(1, sizeof(*impl));
+ if (impl == NULL) {
+ pw_properties_free(properties);
+ return NULL;
+ }
+
+ impl->global = pw_global_new(context,
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ properties,
+ global_bind, impl);
+ if (impl->global == NULL) {
+ free(impl);
+ return NULL;
+ }
+ impl->resource = resource;
+
+ spa_scnprintf(serial_str, sizeof(serial_str), "%"PRIu64,
+ pw_global_get_serial(impl->global));
+ pw_global_update_keys(impl->global, &extra_props, keys);
+
+ spa_list_init(&impl->cached_params);
+
+ /* handle destroy events */
+ pw_global_add_listener(impl->global,
+ &impl->global_listener,
+ &global_events, impl);
+ pw_resource_add_listener(impl->resource,
+ &impl->resource_listener,
+ &impl_resource_events, impl);
+
+ /* handle implementation events -> cache + client resources */
+ pw_endpoint_link_add_listener(impl->link,
+ &impl->link_listener,
+ &link_events, impl);
+
+ /* global is not registered here on purpose;
+ we first cache info + params and then expose the global */
+
+ return impl;
+}
+
+static void *create_object(void *data,
+ struct pw_resource *resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_resource *impl_resource;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ void *result;
+ int res;
+
+ impl_resource = pw_resource_new(client, new_id, PW_PERM_ALL, type, version, 0);
+ if (impl_resource == NULL) {
+ res = -errno;
+ goto error_resource;
+ }
+
+ pw_resource_install_marshal(impl_resource, true);
+
+ if (properties == NULL)
+ properties = pw_properties_new(NULL, NULL);
+ if (properties == NULL) {
+ res = -ENOMEM;
+ goto error_link;
+ }
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(client)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(d->factory)->id);
+
+ result = link_new(pw_impl_client_get_context(client), impl_resource, properties);
+ if (result == NULL) {
+ res = -errno;
+ goto error_link;
+ }
+ return result;
+
+error_resource:
+ pw_log_error("can't create resource: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create resource: %s", spa_strerror(res));
+ goto error_exit;
+error_link:
+ pw_log_error("can't create endpoint link: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create endpoint link: %s", spa_strerror(res));
+ goto error_exit_free;
+
+error_exit_free:
+ pw_resource_remove(impl_resource);
+error_exit:
+ errno = -res;
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+
+ spa_hook_remove(&d->module_listener);
+ spa_list_remove(&d->export.link);
+ d->module = NULL;
+
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int endpoint_link_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+ int res;
+
+ factory = pw_context_create_factory(context,
+ "endpoint-link",
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -errno;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+
+ data->export.type = PW_TYPE_INTERFACE_EndpointLink;
+ data->export.func = pw_core_endpoint_link_export;
+ if ((res = pw_context_register_export_type(context, &data->export)) < 0)
+ goto error;
+
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+error:
+ pw_impl_factory_destroy(data->factory);
+ return res;
+}
diff --git a/src/modules/module-session-manager/endpoint-stream.c b/src/modules/module-session-manager/endpoint-stream.c
new file mode 100644
index 0000000..ce2abdb
--- /dev/null
+++ b/src/modules/module-session-manager/endpoint-stream.c
@@ -0,0 +1,581 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+#include <pipewire/extensions/session-manager/introspect-funcs.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/filter.h>
+
+#define MAX_PARAMS 32
+
+#define NAME "endpoint-stream"
+
+struct pw_proxy *pw_core_endpoint_stream_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size);
+
+struct impl
+{
+ struct pw_global *global;
+ struct spa_hook global_listener;
+
+ union {
+ struct pw_endpoint_stream *stream;
+ struct pw_resource *resource;
+ };
+ struct spa_hook resource_listener;
+ struct spa_hook stream_listener;
+
+ struct pw_endpoint_stream_info *cached_info;
+ struct spa_list cached_params;
+
+ int ping_seq;
+ bool registered;
+};
+
+struct param_data
+{
+ struct spa_list link;
+ uint32_t id;
+ struct pw_array params;
+};
+
+struct resource_data
+{
+ struct impl *impl;
+
+ struct pw_resource *resource;
+ struct spa_hook object_listener;
+
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+struct factory_data
+{
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+
+ struct pw_export_type export;
+};
+
+#define pw_endpoint_stream_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_stream_events,m,v,__VA_ARGS__)
+
+#define pw_endpoint_stream_resource_info(r,...) \
+ pw_endpoint_stream_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_stream_resource_param(r,...) \
+ pw_endpoint_stream_resource(r,param,0,__VA_ARGS__)
+
+static int method_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ struct param_data *pdata;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ pw_log_debug(NAME" %p: param %u %d/%d", impl, id, start, num);
+
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ while (true) {
+ index = next++;
+ if (index >= pw_array_get_len(&pdata->params, void*))
+ return 0;
+
+ param = *pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", impl, seq, index);
+
+ pw_endpoint_stream_resource_param(d->resource, seq, id, index, next, result);
+
+ if (++count == num)
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int method_subscribe_params(void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(d->subscribe_ids));
+ d->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ d->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ impl, pw_resource_get_id(d->resource), ids[i]);
+ method_enum_params(object, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int method_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ /* store only on the implementation; our cache will be updated
+ by the param event, since we are subscribed */
+ pw_endpoint_stream_set_param(impl->stream, id, flags, param);
+ return 0;
+}
+
+static const struct pw_endpoint_stream_methods stream_methods = {
+ PW_VERSION_ENDPOINT_STREAM_METHODS,
+ .subscribe_params = method_subscribe_params,
+ .enum_params = method_enum_params,
+ .set_param = method_set_param,
+};
+
+static int global_bind(void *object, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct impl *impl = object;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ PW_TYPE_INTERFACE_EndpointStream,
+ version, sizeof(*data));
+ if (resource == NULL)
+ return -errno;
+
+ data = pw_resource_get_user_data(resource);
+ data->impl = impl;
+ data->resource = resource;
+
+ pw_global_add_resource(impl->global, resource);
+
+ /* resource methods -> implementation */
+ pw_resource_add_object_listener(resource,
+ &data->object_listener,
+ &stream_methods, data);
+
+ impl->cached_info->change_mask = PW_ENDPOINT_STREAM_CHANGE_MASK_ALL;
+ pw_endpoint_stream_resource_info(resource, impl->cached_info);
+ impl->cached_info->change_mask = 0;
+
+ return 0;
+}
+
+static void global_destroy(void *data)
+{
+ struct impl *impl = data;
+ spa_hook_remove(&impl->global_listener);
+ impl->global = NULL;
+ if (impl->resource)
+ pw_resource_destroy(impl->resource);
+ free(impl);
+}
+
+static const struct pw_global_events global_events = {
+ PW_VERSION_GLOBAL_EVENTS,
+ .destroy = global_destroy,
+};
+
+static void impl_resource_destroy(void *data)
+{
+ struct impl *impl = data;
+ struct param_data *pdata, *tmp;
+
+ spa_hook_remove(&impl->resource_listener);
+ spa_hook_remove(&impl->stream_listener);
+ impl->resource = NULL;
+
+ /* clear cache */
+ if (impl->cached_info)
+ pw_endpoint_stream_info_free(impl->cached_info);
+ spa_list_for_each_safe(pdata, tmp, &impl->cached_params, link) {
+ struct spa_pod **pod;
+ pw_array_for_each(pod, &pdata->params)
+ free(*pod);
+ pw_array_clear(&pdata->params);
+ spa_list_remove(&pdata->link);
+ free(pdata);
+ }
+
+ if (impl->global)
+ pw_global_destroy(impl->global);
+}
+
+static void register_global(struct impl *impl)
+{
+ impl->cached_info->id = pw_global_get_id (impl->global);
+ pw_resource_set_bound_id(impl->resource, impl->cached_info->id);
+ pw_global_register(impl->global);
+ impl->registered = true;
+}
+
+static void impl_resource_pong (void *data, int seq)
+{
+ struct impl *impl = data;
+
+ /* complete registration, if this was the initial sync */
+ if (!impl->registered && seq == impl->ping_seq) {
+ register_global(impl);
+ }
+}
+
+static const struct pw_resource_events impl_resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = impl_resource_destroy,
+ .pong = impl_resource_pong,
+};
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ const struct pw_endpoint_stream_info *info = data;
+ pw_endpoint_stream_resource_info(resource, info);
+ return 0;
+}
+
+static void event_info(void *data, const struct pw_endpoint_stream_info *info)
+{
+ struct impl *impl = data;
+ uint32_t changed_ids[MAX_PARAMS], n_changed_ids = 0;
+ uint32_t i;
+
+ /* figure out changes to params */
+ if (info->change_mask & PW_ENDPOINT_STREAM_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if ((!impl->cached_info ||
+ info->params[i].flags != impl->cached_info->params[i].flags)
+ && info->params[i].flags & SPA_PARAM_INFO_READ)
+ changed_ids[n_changed_ids++] = info->params[i].id;
+ }
+ }
+
+ /* cache for new clients */
+ impl->cached_info = pw_endpoint_stream_info_update (impl->cached_info, info);
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_info, (void*) info);
+
+ /* cache params & register */
+ if (n_changed_ids > 0) {
+ /* prepare params storage */
+ for (i = 0; i < n_changed_ids; i++) {
+ struct param_data *pdata = calloc(1, sizeof(struct param_data));
+ pdata->id = changed_ids[i];
+ pw_array_init(&pdata->params, sizeof(void*));
+ spa_list_append(&impl->cached_params, &pdata->link);
+ }
+
+ /* subscribe to impl */
+ pw_endpoint_stream_subscribe_params(impl->stream, changed_ids, n_changed_ids);
+
+ /* register asynchronously on the pong event */
+ impl->ping_seq = pw_resource_ping(impl->resource, 0);
+ }
+ else if (!impl->registered) {
+ register_global(impl);
+ }
+}
+
+struct param_event_args
+{
+ uint32_t id, index, next;
+ const struct spa_pod *param;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct param_event_args *args = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == args->id) {
+ pw_endpoint_stream_resource_param(resource, 1,
+ args->id, args->index, args->next, args->param);
+ }
+ }
+ return 0;
+}
+
+static void event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct impl *impl = data;
+ struct param_data *pdata;
+ struct spa_pod **pod;
+ struct param_event_args args = { id, index, next, param };
+
+ /* cache for new requests */
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ if (!pw_array_check_index(&pdata->params, index, void*)) {
+ while (pw_array_get_len(&pdata->params, void*) <= index)
+ pw_array_add_ptr(&pdata->params, NULL);
+ }
+
+ pod = pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+ free(*pod);
+ *pod = spa_pod_copy(param);
+ }
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_param, &args);
+}
+
+static const struct pw_endpoint_stream_events stream_events = {
+ PW_VERSION_ENDPOINT_STREAM_EVENTS,
+ .info = event_info,
+ .param = event_param,
+};
+
+static void *stream_new(struct pw_context *context,
+ struct pw_resource *resource,
+ struct pw_properties *properties)
+{
+ struct impl *impl;
+ char serial_str[32];
+ struct spa_dict_item items[1] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_OBJECT_SERIAL, serial_str),
+ };
+ struct spa_dict extra_props = SPA_DICT_INIT_ARRAY(items);
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ NULL
+ };
+
+ impl = calloc(1, sizeof(*impl));
+ if (impl == NULL) {
+ pw_properties_free(properties);
+ return NULL;
+ }
+
+ impl->global = pw_global_new(context,
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ properties,
+ global_bind, impl);
+ if (impl->global == NULL) {
+ free(impl);
+ return NULL;
+ }
+ impl->resource = resource;
+
+ spa_scnprintf(serial_str, sizeof(serial_str), "%"PRIu64,
+ pw_global_get_serial(impl->global));
+ pw_global_update_keys(impl->global, &extra_props, keys);
+
+ spa_list_init(&impl->cached_params);
+
+ /* handle destroy events */
+ pw_global_add_listener(impl->global,
+ &impl->global_listener,
+ &global_events, impl);
+ pw_resource_add_listener(impl->resource,
+ &impl->resource_listener,
+ &impl_resource_events, impl);
+
+ /* handle implementation events -> cache + client resources */
+ pw_endpoint_stream_add_listener(impl->stream,
+ &impl->stream_listener,
+ &stream_events, impl);
+
+ /* global is not registered here on purpose;
+ we first cache info + params and then expose the global */
+
+ return impl;
+}
+
+static void *create_object(void *data,
+ struct pw_resource *resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_resource *impl_resource;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ void *result;
+ int res;
+
+ impl_resource = pw_resource_new(client, new_id, PW_PERM_ALL, type, version, 0);
+ if (impl_resource == NULL) {
+ res = -errno;
+ goto error_resource;
+ }
+
+ pw_resource_install_marshal(impl_resource, true);
+
+ if (properties == NULL)
+ properties = pw_properties_new(NULL, NULL);
+ if (properties == NULL) {
+ res = -ENOMEM;
+ goto error_stream;
+ }
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(client)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(d->factory)->id);
+
+ result = stream_new(pw_impl_client_get_context(client), impl_resource, properties);
+ if (result == NULL) {
+ res = -errno;
+ goto error_stream;
+ }
+ return result;
+
+error_resource:
+ pw_log_error("can't create resource: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create resource: %s", spa_strerror(res));
+ goto error_exit;
+error_stream:
+ pw_log_error("can't create endpoint stream: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create endpoint stream: %s", spa_strerror(res));
+ goto error_exit_free;
+
+error_exit_free:
+ pw_resource_remove(impl_resource);
+error_exit:
+ errno = -res;
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+
+ spa_hook_remove(&d->module_listener);
+ spa_list_remove(&d->export.link);
+ d->module = NULL;
+
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int endpoint_stream_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+ int res;
+
+ factory = pw_context_create_factory(context,
+ "endpoint-stream",
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -errno;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+
+ data->export.type = PW_TYPE_INTERFACE_EndpointStream;
+ data->export.func = pw_core_endpoint_stream_export;
+ if ((res = pw_context_register_export_type(context, &data->export)) < 0)
+ goto error;
+
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+error:
+ pw_impl_factory_destroy(data->factory);
+ return res;
+}
diff --git a/src/modules/module-session-manager/endpoint.c b/src/modules/module-session-manager/endpoint.c
new file mode 100644
index 0000000..752a529
--- /dev/null
+++ b/src/modules/module-session-manager/endpoint.c
@@ -0,0 +1,590 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+#include <pipewire/extensions/session-manager/introspect-funcs.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/filter.h>
+
+#define MAX_PARAMS 32
+
+#define NAME "endpoint"
+
+struct pw_proxy *pw_core_endpoint_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size);
+
+struct impl
+{
+ struct pw_global *global;
+ struct spa_hook global_listener;
+
+ union {
+ struct pw_endpoint *endpoint;
+ struct pw_resource *resource;
+ };
+ struct spa_hook resource_listener;
+ struct spa_hook endpoint_listener;
+
+ struct pw_endpoint_info *cached_info;
+ struct spa_list cached_params;
+
+ int ping_seq;
+ bool registered;
+};
+
+struct param_data
+{
+ struct spa_list link;
+ uint32_t id;
+ struct pw_array params;
+};
+
+struct resource_data
+{
+ struct impl *impl;
+
+ struct pw_resource *resource;
+ struct spa_hook object_listener;
+
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+struct factory_data
+{
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+
+ struct pw_export_type export;
+};
+
+#define pw_endpoint_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_endpoint_events,m,v,__VA_ARGS__)
+
+#define pw_endpoint_resource_info(r,...) \
+ pw_endpoint_resource(r,info,0,__VA_ARGS__)
+#define pw_endpoint_resource_param(r,...) \
+ pw_endpoint_resource(r,param,0,__VA_ARGS__)
+
+static int method_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ struct param_data *pdata;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ pw_log_debug(NAME" %p: param %u %d/%d", impl, id, start, num);
+
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ while (true) {
+ index = next++;
+ if (index >= pw_array_get_len(&pdata->params, void*))
+ return 0;
+
+ param = *pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", impl, seq, index);
+
+ pw_endpoint_resource_param(d->resource, seq, id, index, next, result);
+
+ if (++count == num)
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int method_subscribe_params(void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(d->subscribe_ids));
+ d->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ d->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ impl, pw_resource_get_id(d->resource), ids[i]);
+ method_enum_params(object, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int method_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ /* store only on the implementation; our cache will be updated
+ by the param event, since we are subscribed */
+ pw_endpoint_set_param(impl->endpoint, id, flags, param);
+ return 0;
+}
+
+static int method_create_link(void *object, const struct spa_dict *props)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ pw_endpoint_create_link(impl->endpoint, props);
+ return 0;
+}
+
+static const struct pw_endpoint_methods endpoint_methods = {
+ PW_VERSION_ENDPOINT_METHODS,
+ .subscribe_params = method_subscribe_params,
+ .enum_params = method_enum_params,
+ .set_param = method_set_param,
+ .create_link = method_create_link,
+};
+
+static int global_bind(void *object, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct impl *impl = object;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ PW_TYPE_INTERFACE_Endpoint,
+ version, sizeof(*data));
+ if (resource == NULL)
+ return -errno;
+
+ data = pw_resource_get_user_data(resource);
+ data->impl = impl;
+ data->resource = resource;
+
+ pw_global_add_resource(impl->global, resource);
+
+ /* resource methods -> implementation */
+ pw_resource_add_object_listener(resource,
+ &data->object_listener,
+ &endpoint_methods, data);
+
+ impl->cached_info->change_mask = PW_ENDPOINT_CHANGE_MASK_ALL;
+ pw_endpoint_resource_info(resource, impl->cached_info);
+ impl->cached_info->change_mask = 0;
+
+ return 0;
+}
+
+static void global_destroy(void *data)
+{
+ struct impl *impl = data;
+ spa_hook_remove(&impl->global_listener);
+ impl->global = NULL;
+ if (impl->resource)
+ pw_resource_destroy(impl->resource);
+ free(impl);
+}
+
+static const struct pw_global_events global_events = {
+ PW_VERSION_GLOBAL_EVENTS,
+ .destroy = global_destroy,
+};
+
+static void impl_resource_destroy(void *data)
+{
+ struct impl *impl = data;
+ struct param_data *pdata, *tmp;
+
+ spa_hook_remove(&impl->resource_listener);
+ spa_hook_remove(&impl->endpoint_listener);
+ impl->resource = NULL;
+
+ /* clear cache */
+ if (impl->cached_info)
+ pw_endpoint_info_free(impl->cached_info);
+ spa_list_for_each_safe(pdata, tmp, &impl->cached_params, link) {
+ struct spa_pod **pod;
+ pw_array_for_each(pod, &pdata->params)
+ free(*pod);
+ pw_array_clear(&pdata->params);
+ spa_list_remove(&pdata->link);
+ free(pdata);
+ }
+
+ if (impl->global)
+ pw_global_destroy(impl->global);
+}
+
+static void register_global(struct impl *impl)
+{
+ impl->cached_info->id = pw_global_get_id (impl->global);
+ pw_resource_set_bound_id(impl->resource, impl->cached_info->id);
+ pw_global_register(impl->global);
+ impl->registered = true;
+}
+
+static void impl_resource_pong (void *data, int seq)
+{
+ struct impl *impl = data;
+
+ /* complete registration, if this was the initial sync */
+ if (!impl->registered && seq == impl->ping_seq) {
+ register_global(impl);
+ }
+}
+
+static const struct pw_resource_events impl_resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = impl_resource_destroy,
+ .pong = impl_resource_pong,
+};
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ const struct pw_endpoint_info *info = data;
+ pw_endpoint_resource_info(resource, info);
+ return 0;
+}
+
+static void event_info(void *data, const struct pw_endpoint_info *info)
+{
+ struct impl *impl = data;
+ uint32_t changed_ids[MAX_PARAMS], n_changed_ids = 0;
+ uint32_t i;
+
+ /* figure out changes to params */
+ if (info->change_mask & PW_ENDPOINT_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if ((!impl->cached_info ||
+ info->params[i].flags != impl->cached_info->params[i].flags)
+ && info->params[i].flags & SPA_PARAM_INFO_READ)
+ changed_ids[n_changed_ids++] = info->params[i].id;
+ }
+ }
+
+ /* cache for new clients */
+ impl->cached_info = pw_endpoint_info_update (impl->cached_info, info);
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_info, (void*) info);
+
+ /* cache params & register */
+ if (n_changed_ids > 0) {
+ /* prepare params storage */
+ for (i = 0; i < n_changed_ids; i++) {
+ struct param_data *pdata = calloc(1, sizeof(struct param_data));
+ pdata->id = changed_ids[i];
+ pw_array_init(&pdata->params, sizeof(void*));
+ spa_list_append(&impl->cached_params, &pdata->link);
+ }
+
+ /* subscribe to impl */
+ pw_endpoint_subscribe_params(impl->endpoint, changed_ids, n_changed_ids);
+
+ /* register asynchronously on the pong event */
+ impl->ping_seq = pw_resource_ping(impl->resource, 0);
+ }
+ else if (!impl->registered) {
+ register_global(impl);
+ }
+}
+
+struct param_event_args
+{
+ uint32_t id, index, next;
+ const struct spa_pod *param;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct param_event_args *args = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == args->id) {
+ pw_endpoint_resource_param(resource, 1,
+ args->id, args->index, args->next, args->param);
+ }
+ }
+ return 0;
+}
+
+static void event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct impl *impl = data;
+ struct param_data *pdata;
+ struct spa_pod **pod;
+ struct param_event_args args = { id, index, next, param };
+
+ /* cache for new requests */
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ if (!pw_array_check_index(&pdata->params, index, void*)) {
+ while (pw_array_get_len(&pdata->params, void*) <= index)
+ pw_array_add_ptr(&pdata->params, NULL);
+ }
+
+ pod = pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+ free(*pod);
+ *pod = spa_pod_copy(param);
+ }
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_param, &args);
+}
+
+static const struct pw_endpoint_events endpoint_events = {
+ PW_VERSION_ENDPOINT_EVENTS,
+ .info = event_info,
+ .param = event_param,
+};
+
+static void *endpoint_new(struct pw_context *context,
+ struct pw_resource *resource,
+ struct pw_properties *properties)
+{
+ struct impl *impl;
+ char serial_str[32];
+ struct spa_dict_item items[1] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_OBJECT_SERIAL, serial_str),
+ };
+ struct spa_dict extra_props = SPA_DICT_INIT_ARRAY(items);
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ NULL
+ };
+
+ impl = calloc(1, sizeof(*impl));
+ if (impl == NULL) {
+ pw_properties_free(properties);
+ return NULL;
+ }
+
+ impl->global = pw_global_new(context,
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ properties,
+ global_bind, impl);
+ if (impl->global == NULL) {
+ free(impl);
+ return NULL;
+ }
+ impl->resource = resource;
+
+ spa_scnprintf(serial_str, sizeof(serial_str), "%"PRIu64,
+ pw_global_get_serial(impl->global));
+ pw_global_update_keys(impl->global, &extra_props, keys);
+
+ spa_list_init(&impl->cached_params);
+
+ /* handle destroy events */
+ pw_global_add_listener(impl->global,
+ &impl->global_listener,
+ &global_events, impl);
+ pw_resource_add_listener(impl->resource,
+ &impl->resource_listener,
+ &impl_resource_events, impl);
+
+ /* handle implementation events -> cache + client resources */
+ pw_endpoint_add_listener(impl->endpoint,
+ &impl->endpoint_listener,
+ &endpoint_events, impl);
+
+ /* global is not registered here on purpose;
+ we first cache info + params and then expose the global */
+
+ return impl;
+}
+
+static void *create_object(void *data,
+ struct pw_resource *resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_resource *impl_resource;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ void *result;
+ int res;
+
+ impl_resource = pw_resource_new(client, new_id, PW_PERM_ALL, type, version, 0);
+ if (impl_resource == NULL) {
+ res = -errno;
+ goto error_resource;
+ }
+
+ pw_resource_install_marshal(impl_resource, true);
+
+ if (properties == NULL)
+ properties = pw_properties_new(NULL, NULL);
+ if (properties == NULL) {
+ res = -ENOMEM;
+ goto error_endpoint;
+ }
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(client)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(d->factory)->id);
+
+ result = endpoint_new(pw_impl_client_get_context(client), impl_resource, properties);
+ if (result == NULL) {
+ res = -errno;
+ goto error_endpoint;
+ }
+ return result;
+
+error_resource:
+ pw_log_error("can't create resource: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create resource: %s", spa_strerror(res));
+ goto error_exit;
+error_endpoint:
+ pw_log_error("can't create endpoint: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create endpoint: %s", spa_strerror(res));
+ goto error_exit_free;
+
+error_exit_free:
+ pw_resource_remove(impl_resource);
+error_exit:
+ errno = -res;
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+
+ spa_hook_remove(&d->module_listener);
+ spa_list_remove(&d->export.link);
+
+ d->module = NULL;
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int endpoint_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+ int res;
+
+ factory = pw_context_create_factory(context,
+ "endpoint",
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -errno;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+
+ data->export.type = PW_TYPE_INTERFACE_Endpoint;
+ data->export.func = pw_core_endpoint_export;
+ if ((res = pw_context_register_export_type(context, &data->export)) < 0)
+ goto error;
+
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+error:
+ pw_impl_factory_destroy(data->factory);
+ return res;
+}
diff --git a/src/modules/module-session-manager/protocol-native.c b/src/modules/module-session-manager/protocol-native.c
new file mode 100644
index 0000000..6981252
--- /dev/null
+++ b/src/modules/module-session-manager/protocol-native.c
@@ -0,0 +1,3083 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/pipewire.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/parser.h>
+
+#include <pipewire/extensions/session-manager.h>
+#include <pipewire/extensions/protocol-native.h>
+
+#define MAX_DICT 1024
+#define MAX_PARAMS 4096
+#define MAX_PARAM_INFO 128
+
+static void push_dict(struct spa_pod_builder *b, const struct spa_dict *dict)
+{
+ struct spa_pod_frame f;
+ uint32_t n_items;
+ uint32_t i;
+
+ n_items = dict ? dict->n_items : 0;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b, SPA_POD_Int(n_items), NULL);
+ for (i = 0; i < n_items; i++) {
+ spa_pod_builder_add(b,
+ SPA_POD_String(dict->items[i].key),
+ SPA_POD_String(dict->items[i].value),
+ NULL);
+ }
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define parse_dict(p, f, dict) \
+do { \
+ uint32_t i; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, SPA_POD_Int(&(dict)->n_items), NULL) < 0) \
+ return -EINVAL; \
+ \
+ if ((dict)->n_items > 0) { \
+ if ((dict)->n_items > MAX_DICT) \
+ return -ENOSPC; \
+ (dict)->items = alloca((dict)->n_items * sizeof(struct spa_dict_item)); \
+ for (i = 0; i < (dict)->n_items; i++) { \
+ if (spa_pod_parser_get(p, \
+ SPA_POD_String(&(dict)->items[i].key), \
+ SPA_POD_String(&(dict)->items[i].value), \
+ NULL) < 0) \
+ return -EINVAL; \
+ } \
+ } \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+static void push_param_infos(struct spa_pod_builder *b, uint32_t n_params,
+ const struct spa_param_info *params)
+{
+ struct spa_pod_frame f;
+ uint32_t i;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b, SPA_POD_Int(n_params), NULL);
+ for (i = 0; i < n_params; i++) {
+ spa_pod_builder_add(b,
+ SPA_POD_Id(params[i].id),
+ SPA_POD_Int(params[i].flags),
+ NULL);
+ }
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define parse_param_infos(p, f, n_params_p, params_p) \
+do { \
+ uint32_t i; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, SPA_POD_Int(n_params_p), NULL) < 0) \
+ return -EINVAL; \
+ \
+ if (*(n_params_p) > 0) { \
+ if (*(n_params_p) > MAX_PARAM_INFO) \
+ return -ENOSPC; \
+ *(params_p) = alloca(*(n_params_p) * sizeof(struct spa_param_info)); \
+ for (i = 0; i < *(n_params_p); i++) { \
+ if (spa_pod_parser_get(p, \
+ SPA_POD_Id(&(*(params_p))[i].id), \
+ SPA_POD_Int(&(*(params_p))[i].flags), \
+ NULL) < 0) \
+ return -EINVAL; \
+ } \
+ } \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+/***********************************************
+ * INFO STRUCTURES
+ ***********************************************/
+
+static void
+marshal_pw_session_info(struct spa_pod_builder *b,
+ const struct pw_session_info *info)
+{
+ struct spa_pod_frame f;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(info->version),
+ SPA_POD_Int(info->id),
+ SPA_POD_Long(info->change_mask),
+ NULL);
+ push_dict(b, info->props);
+ push_param_infos(b, info->n_params, info->params);
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define demarshal_pw_session_info(p, f, info) \
+do { \
+ struct spa_pod_frame sub_f; \
+ uint32_t version; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, \
+ SPA_POD_Int(&version), \
+ SPA_POD_Int(&(info)->id), \
+ SPA_POD_Long(&(info)->change_mask), \
+ NULL) < 0) \
+ return -EINVAL; \
+ \
+ (info)->change_mask &= PW_SESSION_CHANGE_MASK_ALL; \
+ \
+ parse_dict(p, &sub_f, (info)->props); \
+ parse_param_infos(p, &sub_f, &(info)->n_params, &(info)->params); \
+ \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+static void
+marshal_pw_endpoint_info(struct spa_pod_builder *b,
+ const struct pw_endpoint_info *info)
+{
+ struct spa_pod_frame f;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(info->version),
+ SPA_POD_Int(info->id),
+ SPA_POD_String(info->name),
+ SPA_POD_String(info->media_class),
+ SPA_POD_Int(info->direction),
+ SPA_POD_Int(info->flags),
+ SPA_POD_Long(info->change_mask),
+ SPA_POD_Int(info->n_streams),
+ SPA_POD_Int(info->session_id),
+ NULL);
+ push_dict(b, info->props);
+ push_param_infos(b, info->n_params, info->params);
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define demarshal_pw_endpoint_info(p, f, info) \
+do { \
+ struct spa_pod_frame sub_f; \
+ uint32_t version; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, \
+ SPA_POD_Int(&version), \
+ SPA_POD_Int(&(info)->id), \
+ SPA_POD_String(&(info)->name), \
+ SPA_POD_String(&(info)->media_class), \
+ SPA_POD_Int(&(info)->direction), \
+ SPA_POD_Int(&(info)->flags), \
+ SPA_POD_Long(&(info)->change_mask), \
+ SPA_POD_Int(&(info)->n_streams), \
+ SPA_POD_Int(&(info)->session_id), \
+ NULL) < 0) \
+ return -EINVAL; \
+ \
+ (info)->change_mask &= PW_ENDPOINT_CHANGE_MASK_ALL; \
+ \
+ parse_dict(p, &sub_f, (info)->props); \
+ parse_param_infos(p, &sub_f, &(info)->n_params, &(info)->params); \
+ \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+static void
+marshal_pw_endpoint_stream_info(struct spa_pod_builder *b,
+ const struct pw_endpoint_stream_info *info)
+{
+ struct spa_pod_frame f;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(info->version),
+ SPA_POD_Int(info->id),
+ SPA_POD_Int(info->endpoint_id),
+ SPA_POD_String(info->name),
+ SPA_POD_Long(info->change_mask),
+ SPA_POD_Pod(info->link_params),
+ NULL);
+ push_dict(b, info->props);
+ push_param_infos(b, info->n_params, info->params);
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define demarshal_pw_endpoint_stream_info(p, f, info) \
+do { \
+ struct spa_pod_frame sub_f; \
+ uint32_t version; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, \
+ SPA_POD_Int(&version), \
+ SPA_POD_Int(&(info)->id), \
+ SPA_POD_Int(&(info)->endpoint_id), \
+ SPA_POD_String(&(info)->name), \
+ SPA_POD_Long(&(info)->change_mask), \
+ SPA_POD_Pod(&(info)->link_params), \
+ NULL) < 0) \
+ return -EINVAL; \
+ \
+ (info)->change_mask &= PW_ENDPOINT_STREAM_CHANGE_MASK_ALL; \
+ \
+ parse_dict(p, &sub_f, (info)->props); \
+ parse_param_infos(p, &sub_f, &(info)->n_params, &(info)->params); \
+ \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+static void
+marshal_pw_endpoint_link_info(struct spa_pod_builder *b,
+ const struct pw_endpoint_link_info *info)
+{
+ struct spa_pod_frame f;
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(info->version),
+ SPA_POD_Int(info->id),
+ SPA_POD_Int(info->session_id),
+ SPA_POD_Int(info->output_endpoint_id),
+ SPA_POD_Int(info->output_stream_id),
+ SPA_POD_Int(info->input_endpoint_id),
+ SPA_POD_Int(info->input_stream_id),
+ SPA_POD_Long(info->change_mask),
+ SPA_POD_Int(info->state),
+ SPA_POD_String(info->error),
+ NULL);
+ push_dict(b, info->props);
+ push_param_infos(b, info->n_params, info->params);
+ spa_pod_builder_pop(b, &f);
+}
+
+/* macro because of alloca() */
+#define demarshal_pw_endpoint_link_info(p, f, info) \
+do { \
+ struct spa_pod_frame sub_f; \
+ uint32_t version; \
+ \
+ if (spa_pod_parser_push_struct(p, f) < 0 || \
+ spa_pod_parser_get(p, \
+ SPA_POD_Int(&version), \
+ SPA_POD_Int(&(info)->id), \
+ SPA_POD_Int(&(info)->session_id), \
+ SPA_POD_Int(&(info)->output_endpoint_id), \
+ SPA_POD_Int(&(info)->output_stream_id), \
+ SPA_POD_Int(&(info)->input_endpoint_id), \
+ SPA_POD_Int(&(info)->input_stream_id), \
+ SPA_POD_Long(&(info)->change_mask), \
+ SPA_POD_Int(&(info)->state), \
+ SPA_POD_String(&(info)->error), \
+ NULL) < 0) \
+ return -EINVAL; \
+ \
+ (info)->change_mask &= PW_ENDPOINT_LINK_CHANGE_MASK_ALL; \
+ \
+ parse_dict(p, &sub_f, (info)->props); \
+ parse_param_infos(p, &sub_f, &(info)->n_params, &(info)->params); \
+ \
+ spa_pod_parser_pop(p, f); \
+} while(0)
+
+
+/***********************************************
+ * COMMON
+ ***********************************************/
+
+static int demarshal_add_listener_enotsup(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ return -ENOTSUP;
+}
+
+/***********************************************
+ * CLIENT ENDPOINT
+ ***********************************************/
+
+static int client_endpoint_marshal_set_session_id (void *object, uint32_t id)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_ENDPOINT_EVENT_SET_SESSION_ID, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(id));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_endpoint_marshal_set_param (void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_ENDPOINT_EVENT_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_endpoint_marshal_stream_set_param (void *object,
+ uint32_t stream_id, uint32_t id,
+ uint32_t flags, const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_ENDPOINT_EVENT_STREAM_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(stream_id),
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_endpoint_marshal_create_link (void *object,
+ const struct spa_dict *props)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_ENDPOINT_EVENT_CREATE_LINK, NULL);
+
+ push_dict(b, props);
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_endpoint_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_client_endpoint_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int client_endpoint_marshal_update(void *object,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_info *info)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ uint32_t i;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_CLIENT_ENDPOINT_METHOD_UPDATE, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(change_mask),
+ SPA_POD_Int(n_params),
+ NULL);
+
+ for (i = 0; i < n_params; i++)
+ spa_pod_builder_add(b, SPA_POD_Pod(params[i]), NULL);
+
+ if (info)
+ marshal_pw_endpoint_info(b, info);
+ else
+ spa_pod_builder_add(b, SPA_POD_Pod(NULL), NULL);
+
+ spa_pod_builder_pop(b, &f);
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int client_endpoint_marshal_stream_update(void *object,
+ uint32_t stream_id,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_stream_info *info)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ uint32_t i;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_CLIENT_ENDPOINT_METHOD_STREAM_UPDATE, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(stream_id),
+ SPA_POD_Int(change_mask),
+ SPA_POD_Int(n_params),
+ NULL);
+
+ for (i = 0; i < n_params; i++)
+ spa_pod_builder_add(b, SPA_POD_Pod(params[i]), NULL);
+
+ if (info)
+ marshal_pw_endpoint_stream_info(b, info);
+ else
+ spa_pod_builder_add(b, SPA_POD_Pod(NULL), NULL);
+
+ spa_pod_builder_pop(b, &f);
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int client_endpoint_demarshal_set_session_id(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&id)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_endpoint_events,
+ set_session_id, 0, id);
+}
+
+static int client_endpoint_demarshal_set_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ const struct spa_pod *param = NULL;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_PodObject(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_endpoint_events,
+ set_param, 0, id, flags, param);
+}
+
+static int client_endpoint_demarshal_stream_set_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t stream_id, id, flags;
+ const struct spa_pod *param = NULL;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&stream_id),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_PodObject(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_endpoint_events,
+ stream_set_param, 0, stream_id, id, flags, param);
+}
+
+static int client_endpoint_demarshal_create_link(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ parse_dict(&prs, &f, &props);
+
+ return pw_proxy_notify(proxy, struct pw_client_endpoint_events,
+ create_link, 0, &props);
+}
+
+static int client_endpoint_demarshal_update(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs[2];
+ struct spa_pod_frame f[2];
+ uint32_t change_mask, n_params;
+ const struct spa_pod **params = NULL;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_info info = { .props = &props }, *infop = NULL;
+ struct spa_pod *ipod;
+ uint32_t i;
+
+ spa_pod_parser_init(&prs[0], msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs[0], &f[0]) < 0 ||
+ spa_pod_parser_get(&prs[0],
+ SPA_POD_Int(&change_mask),
+ SPA_POD_Int(&n_params), NULL) < 0)
+ return -EINVAL;
+
+ if (n_params > MAX_PARAMS)
+ return -ENOSPC;
+ if (n_params > 0)
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs[0],
+ SPA_POD_PodObject(&params[i]), NULL) < 0)
+ return -EINVAL;
+
+ if (spa_pod_parser_get(&prs[0], SPA_POD_PodStruct(&ipod), NULL) < 0)
+ return -EINVAL;
+ if (ipod) {
+ infop = &info;
+ spa_pod_parser_pod(&prs[1], ipod);
+ demarshal_pw_endpoint_info(&prs[1], &f[1], infop);
+ }
+
+ return pw_resource_notify(resource, struct pw_client_endpoint_methods,
+ update, 0, change_mask, n_params, params, infop);
+}
+
+static int client_endpoint_demarshal_stream_update(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs[2];
+ struct spa_pod_frame f[2];
+ uint32_t stream_id, change_mask, n_params;
+ const struct spa_pod **params = NULL;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_stream_info info = { .props = &props }, *infop = NULL;
+ struct spa_pod *ipod;
+ uint32_t i;
+
+ spa_pod_parser_init(&prs[0], msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs[0], &f[0]) < 0 ||
+ spa_pod_parser_get(&prs[0],
+ SPA_POD_Int(&stream_id),
+ SPA_POD_Int(&change_mask),
+ SPA_POD_Int(&n_params), NULL) < 0)
+ return -EINVAL;
+
+ if (n_params > MAX_PARAMS)
+ return -ENOSPC;
+ if (n_params > 0)
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs[0],
+ SPA_POD_PodObject(&params[i]), NULL) < 0)
+ return -EINVAL;
+
+ if (spa_pod_parser_get(&prs[0], SPA_POD_PodStruct(&ipod), NULL) < 0)
+ return -EINVAL;
+ if (ipod) {
+ infop = &info;
+ spa_pod_parser_pod(&prs[1], ipod);
+ demarshal_pw_endpoint_stream_info(&prs[1], &f[1], infop);
+ }
+
+ return pw_resource_notify(resource, struct pw_client_endpoint_methods,
+ stream_update, 0, stream_id, change_mask, n_params, params, infop);
+}
+
+static const struct pw_client_endpoint_events pw_protocol_native_client_endpoint_event_marshal = {
+ PW_VERSION_CLIENT_ENDPOINT_EVENTS,
+ .set_session_id = client_endpoint_marshal_set_session_id,
+ .set_param = client_endpoint_marshal_set_param,
+ .stream_set_param = client_endpoint_marshal_stream_set_param,
+ .create_link = client_endpoint_marshal_create_link,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_client_endpoint_event_demarshal[PW_CLIENT_ENDPOINT_EVENT_NUM] =
+{
+ [PW_CLIENT_ENDPOINT_EVENT_SET_SESSION_ID] = { client_endpoint_demarshal_set_session_id, 0 },
+ [PW_CLIENT_ENDPOINT_EVENT_SET_PARAM] = { client_endpoint_demarshal_set_param, 0 },
+ [PW_CLIENT_ENDPOINT_EVENT_STREAM_SET_PARAM] = { client_endpoint_demarshal_stream_set_param, 0 },
+ [PW_CLIENT_ENDPOINT_EVENT_CREATE_LINK] = { client_endpoint_demarshal_create_link, 0 },
+};
+
+static const struct pw_client_endpoint_methods pw_protocol_native_client_endpoint_method_marshal = {
+ PW_VERSION_CLIENT_ENDPOINT_METHODS,
+ .add_listener = client_endpoint_marshal_add_listener,
+ .update = client_endpoint_marshal_update,
+ .stream_update = client_endpoint_marshal_stream_update,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_client_endpoint_method_demarshal[PW_CLIENT_ENDPOINT_METHOD_NUM] =
+{
+ [PW_CLIENT_ENDPOINT_METHOD_ADD_LISTENER] = { NULL, 0 },
+ [PW_CLIENT_ENDPOINT_METHOD_UPDATE] = { client_endpoint_demarshal_update, 0 },
+ [PW_CLIENT_ENDPOINT_METHOD_STREAM_UPDATE] = { client_endpoint_demarshal_stream_update, 0 },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_client_endpoint_marshal = {
+ PW_TYPE_INTERFACE_ClientEndpoint,
+ PW_VERSION_CLIENT_ENDPOINT,
+ 0,
+ PW_CLIENT_ENDPOINT_METHOD_NUM,
+ PW_CLIENT_ENDPOINT_EVENT_NUM,
+ &pw_protocol_native_client_endpoint_method_marshal,
+ &pw_protocol_native_client_endpoint_method_demarshal,
+ &pw_protocol_native_client_endpoint_event_marshal,
+ &pw_protocol_native_client_endpoint_event_demarshal,
+};
+
+/***********************************************
+ * CLIENT SESSION
+ ***********************************************/
+
+static int client_session_marshal_set_param (void *data,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_SESSION_EVENT_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_session_marshal_link_set_param (void *data,
+ uint32_t link_id, uint32_t id,
+ uint32_t flags, const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_SESSION_EVENT_LINK_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(link_id),
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_session_marshal_link_request_state (void *data,
+ uint32_t link_id, uint32_t state)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_CLIENT_SESSION_EVENT_LINK_REQUEST_STATE, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(link_id),
+ SPA_POD_Int(state));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int client_session_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_client_session_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int client_session_marshal_update(void *object,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_session_info *info)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ uint32_t i;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_CLIENT_SESSION_METHOD_UPDATE, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(change_mask),
+ SPA_POD_Int(n_params),
+ NULL);
+
+ for (i = 0; i < n_params; i++)
+ spa_pod_builder_add(b, SPA_POD_Pod(params[i]), NULL);
+
+ if (info)
+ marshal_pw_session_info(b, info);
+ else
+ spa_pod_builder_add(b, SPA_POD_Pod(NULL), NULL);
+
+ spa_pod_builder_pop(b, &f);
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int client_session_marshal_link_update(void *object,
+ uint32_t link_id,
+ uint32_t change_mask,
+ uint32_t n_params,
+ const struct spa_pod **params,
+ const struct pw_endpoint_link_info *info)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ uint32_t i;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_CLIENT_SESSION_METHOD_LINK_UPDATE, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ SPA_POD_Int(link_id),
+ SPA_POD_Int(change_mask),
+ SPA_POD_Int(n_params),
+ NULL);
+
+ for (i = 0; i < n_params; i++)
+ spa_pod_builder_add(b, SPA_POD_Pod(params[i]), NULL);
+
+ if (info)
+ marshal_pw_endpoint_link_info(b, info);
+ else
+ spa_pod_builder_add(b, SPA_POD_Pod(NULL), NULL);
+
+ spa_pod_builder_pop(b, &f);
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int client_session_demarshal_set_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ const struct spa_pod *param = NULL;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_PodObject(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_session_events,
+ set_param, 0, id, flags, param);
+}
+
+static int client_session_demarshal_link_set_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t link_id, id, flags;
+ const struct spa_pod *param = NULL;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&link_id),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_PodObject(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_session_events,
+ link_set_param, 0, link_id, id, flags, param);
+}
+
+static int client_session_demarshal_link_request_state(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t link_id, state;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&link_id),
+ SPA_POD_Int(&state)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_client_session_events,
+ link_request_state, 0, link_id, state);
+}
+
+static int client_session_demarshal_update(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs[2];
+ struct spa_pod_frame f[2];
+ uint32_t change_mask, n_params;
+ const struct spa_pod **params = NULL;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_session_info info = { .props = &props }, *infop = NULL;
+ struct spa_pod *ipod;
+ uint32_t i;
+
+ spa_pod_parser_init(&prs[0], msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs[0], &f[0]) < 0 ||
+ spa_pod_parser_get(&prs[0],
+ SPA_POD_Int(&change_mask),
+ SPA_POD_Int(&n_params), NULL) < 0)
+ return -EINVAL;
+
+ if (n_params > MAX_PARAMS)
+ return -ENOSPC;
+ if (n_params > 0)
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs[0],
+ SPA_POD_PodObject(&params[i]), NULL) < 0)
+ return -EINVAL;
+
+ if (spa_pod_parser_get(&prs[0], SPA_POD_PodStruct(&ipod), NULL) < 0)
+ return -EINVAL;
+ if (ipod) {
+ infop = &info;
+ spa_pod_parser_pod(&prs[1], ipod);
+ demarshal_pw_session_info(&prs[1], &f[1], infop);
+ }
+
+ return pw_resource_notify(resource, struct pw_client_session_methods,
+ update, 0, change_mask, n_params, params, infop);
+}
+
+static int client_session_demarshal_link_update(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs[2];
+ struct spa_pod_frame f[2];
+ uint32_t link_id, change_mask, n_params;
+ const struct spa_pod **params = NULL;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_link_info info = { .props = &props }, *infop = NULL;
+ struct spa_pod *ipod;
+ uint32_t i;
+
+ spa_pod_parser_init(&prs[0], msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs[0], &f[0]) < 0 ||
+ spa_pod_parser_get(&prs[0],
+ SPA_POD_Int(&link_id),
+ SPA_POD_Int(&change_mask),
+ SPA_POD_Int(&n_params), NULL) < 0)
+ return -EINVAL;
+
+ if (n_params > MAX_PARAMS)
+ return -ENOSPC;
+ if (n_params > 0)
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs[0],
+ SPA_POD_PodObject(&params[i]), NULL) < 0)
+ return -EINVAL;
+
+ if (spa_pod_parser_get(&prs[0], SPA_POD_PodStruct(&ipod), NULL) < 0)
+ return -EINVAL;
+ if (ipod) {
+ infop = &info;
+ spa_pod_parser_pod(&prs[1], ipod);
+ demarshal_pw_endpoint_link_info(&prs[1], &f[1], infop);
+ }
+
+ return pw_resource_notify(resource, struct pw_client_session_methods,
+ link_update, 0, link_id, change_mask, n_params, params, infop);
+}
+
+static const struct pw_client_session_events pw_protocol_native_client_session_event_marshal = {
+ PW_VERSION_CLIENT_SESSION_EVENTS,
+ .set_param = client_session_marshal_set_param,
+ .link_set_param = client_session_marshal_link_set_param,
+ .link_request_state = client_session_marshal_link_request_state,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_client_session_event_demarshal[PW_CLIENT_SESSION_EVENT_NUM] =
+{
+ [PW_CLIENT_SESSION_EVENT_SET_PARAM] = { client_session_demarshal_set_param, 0 },
+ [PW_CLIENT_SESSION_EVENT_LINK_SET_PARAM] = { client_session_demarshal_link_set_param, 0 },
+ [PW_CLIENT_SESSION_EVENT_LINK_REQUEST_STATE] = { client_session_demarshal_link_request_state, 0 },
+};
+
+static const struct pw_client_session_methods pw_protocol_native_client_session_method_marshal = {
+ PW_VERSION_CLIENT_SESSION_METHODS,
+ .add_listener = client_session_marshal_add_listener,
+ .update = client_session_marshal_update,
+ .link_update = client_session_marshal_link_update,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_client_session_method_demarshal[PW_CLIENT_SESSION_METHOD_NUM] =
+{
+ [PW_CLIENT_SESSION_METHOD_ADD_LISTENER] = { NULL, 0 },
+ [PW_CLIENT_SESSION_METHOD_UPDATE] = { client_session_demarshal_update, 0 },
+ [PW_CLIENT_SESSION_METHOD_LINK_UPDATE] = { client_session_demarshal_link_update, 0 },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_client_session_marshal = {
+ PW_TYPE_INTERFACE_ClientSession,
+ PW_VERSION_CLIENT_SESSION,
+ 0,
+ PW_CLIENT_SESSION_METHOD_NUM,
+ PW_CLIENT_SESSION_EVENT_NUM,
+ &pw_protocol_native_client_session_method_marshal,
+ &pw_protocol_native_client_session_method_demarshal,
+ &pw_protocol_native_client_session_event_marshal,
+ &pw_protocol_native_client_session_event_demarshal,
+};
+
+/***********************************************
+ * ENDPOINT LINK
+ ***********************************************/
+
+static void endpoint_link_proxy_marshal_info (void *data,
+ const struct pw_endpoint_link_info *info)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_link_info(b, info);
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void endpoint_link_resource_marshal_info (void *data,
+ const struct pw_endpoint_link_info *info)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_link_info(b, info);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void endpoint_link_proxy_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+static void endpoint_link_resource_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_link_proxy_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_link_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int endpoint_link_resource_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_link_events *events,
+ void *data)
+{
+ struct pw_resource *resource = object;
+ pw_resource_add_object_listener(resource, listener, events, data);
+ return 0;
+}
+
+static int endpoint_link_proxy_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_link_resource_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_link_proxy_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_link_resource_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_link_proxy_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_link_resource_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_link_proxy_marshal_request_state(void *object,
+ enum pw_endpoint_link_state state)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_LINK_METHOD_REQUEST_STATE, NULL);
+
+ spa_pod_builder_add_struct(b, SPA_POD_Int(state));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_link_resource_marshal_request_state(void *object,
+ enum pw_endpoint_link_state state)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_LINK_METHOD_REQUEST_STATE, NULL);
+
+ spa_pod_builder_add_struct(b, SPA_POD_Int(state));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_link_proxy_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_link_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_link_info(&prs, &f, &info);
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_events,
+ info, 0, &info);
+}
+
+static int endpoint_link_resource_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_link_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_link_info(&prs, &f, &info);
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_events,
+ info, 0, &info);
+}
+
+static int endpoint_link_proxy_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_link_resource_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_link_proxy_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_link_resource_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_link_proxy_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_link_resource_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_link_proxy_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int endpoint_link_resource_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int endpoint_link_proxy_demarshal_request_state(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ enum pw_endpoint_link_state state;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&state)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_link_methods,
+ request_state, 0, state);
+}
+
+static int endpoint_link_resource_demarshal_request_state(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ enum pw_endpoint_link_state state;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&state)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_link_methods,
+ request_state, 0, state);
+}
+
+static const struct pw_endpoint_link_events pw_protocol_native_endpoint_link_client_event_marshal = {
+ PW_VERSION_ENDPOINT_LINK_EVENTS,
+ .info = endpoint_link_proxy_marshal_info,
+ .param = endpoint_link_proxy_marshal_param,
+};
+
+static const struct pw_endpoint_link_events pw_protocol_native_endpoint_link_server_event_marshal = {
+ PW_VERSION_ENDPOINT_LINK_EVENTS,
+ .info = endpoint_link_resource_marshal_info,
+ .param = endpoint_link_resource_marshal_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_link_client_event_demarshal[PW_ENDPOINT_LINK_EVENT_NUM] =
+{
+ [PW_ENDPOINT_LINK_EVENT_INFO] = { endpoint_link_proxy_demarshal_info, 0 },
+ [PW_ENDPOINT_LINK_EVENT_PARAM] = { endpoint_link_proxy_demarshal_param, 0 },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_link_server_event_demarshal[PW_ENDPOINT_LINK_EVENT_NUM] =
+{
+ [PW_ENDPOINT_LINK_EVENT_INFO] = { endpoint_link_resource_demarshal_info, 0 },
+ [PW_ENDPOINT_LINK_EVENT_PARAM] = { endpoint_link_resource_demarshal_param, 0 },
+};
+
+static const struct pw_endpoint_link_methods pw_protocol_native_endpoint_link_client_method_marshal = {
+ PW_VERSION_ENDPOINT_LINK_METHODS,
+ .add_listener = endpoint_link_proxy_marshal_add_listener,
+ .subscribe_params = endpoint_link_proxy_marshal_subscribe_params,
+ .enum_params = endpoint_link_proxy_marshal_enum_params,
+ .set_param = endpoint_link_proxy_marshal_set_param,
+ .request_state = endpoint_link_proxy_marshal_request_state,
+};
+
+static const struct pw_endpoint_link_methods pw_protocol_native_endpoint_link_server_method_marshal = {
+ PW_VERSION_ENDPOINT_LINK_METHODS,
+ .add_listener = endpoint_link_resource_marshal_add_listener,
+ .subscribe_params = endpoint_link_resource_marshal_subscribe_params,
+ .enum_params = endpoint_link_resource_marshal_enum_params,
+ .set_param = endpoint_link_resource_marshal_set_param,
+ .request_state = endpoint_link_resource_marshal_request_state,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_link_client_method_demarshal[PW_ENDPOINT_LINK_METHOD_NUM] =
+{
+ [PW_ENDPOINT_LINK_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS] = { endpoint_link_proxy_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS] = { endpoint_link_proxy_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_LINK_METHOD_SET_PARAM] = { endpoint_link_proxy_demarshal_set_param, PW_PERM_W },
+ [PW_ENDPOINT_LINK_METHOD_REQUEST_STATE] = { endpoint_link_proxy_demarshal_request_state, PW_PERM_W },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_link_server_method_demarshal[PW_ENDPOINT_LINK_METHOD_NUM] =
+{
+ [PW_ENDPOINT_LINK_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_LINK_METHOD_SUBSCRIBE_PARAMS] = { endpoint_link_resource_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_LINK_METHOD_ENUM_PARAMS] = { endpoint_link_resource_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_LINK_METHOD_SET_PARAM] = { endpoint_link_resource_demarshal_set_param, PW_PERM_W },
+ [PW_ENDPOINT_LINK_METHOD_REQUEST_STATE] = { endpoint_link_resource_demarshal_request_state, PW_PERM_W },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_link_marshal = {
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ 0,
+ PW_ENDPOINT_LINK_METHOD_NUM,
+ PW_ENDPOINT_LINK_EVENT_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_link_client_method_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_link_server_method_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_link_server_event_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_link_client_event_demarshal,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_link_impl_marshal = {
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ PW_PROTOCOL_MARSHAL_FLAG_IMPL,
+ PW_ENDPOINT_LINK_EVENT_NUM,
+ PW_ENDPOINT_LINK_METHOD_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_link_client_event_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_link_server_event_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_link_server_method_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_link_client_method_demarshal,
+};
+
+/***********************************************
+ * ENDPOINT STREAM
+ ***********************************************/
+
+static void endpoint_stream_proxy_marshal_info (void *data,
+ const struct pw_endpoint_stream_info *info)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_STREAM_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_stream_info(b, info);
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void endpoint_stream_resource_marshal_info (void *data,
+ const struct pw_endpoint_stream_info *info)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_STREAM_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_stream_info(b, info);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void endpoint_stream_proxy_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_STREAM_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void endpoint_stream_resource_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_STREAM_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_stream_proxy_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_stream_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int endpoint_stream_resource_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_stream_events *events,
+ void *data)
+{
+ struct pw_resource *resource = object;
+ pw_resource_add_object_listener(resource, listener, events, data);
+ return 0;
+}
+
+static int endpoint_stream_proxy_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_stream_resource_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_stream_proxy_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_stream_resource_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_stream_proxy_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_STREAM_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_stream_resource_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_STREAM_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_stream_proxy_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_stream_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_stream_info(&prs, &f, &info);
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_stream_events,
+ info, 0, &info);
+}
+
+static int endpoint_stream_resource_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_stream_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_stream_info(&prs, &f, &info);
+
+ return pw_resource_notify(resource, struct pw_endpoint_stream_events,
+ info, 0, &info);
+}
+
+static int endpoint_stream_proxy_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_stream_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_stream_resource_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_stream_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_stream_proxy_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_stream_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_stream_resource_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_stream_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_stream_proxy_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_stream_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_stream_resource_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_stream_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_stream_proxy_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_stream_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int endpoint_stream_resource_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_stream_methods,
+ set_param, 0, id, flags, param);
+}
+
+static const struct pw_endpoint_stream_events pw_protocol_native_endpoint_stream_client_event_marshal = {
+ PW_VERSION_ENDPOINT_STREAM_EVENTS,
+ .info = endpoint_stream_proxy_marshal_info,
+ .param = endpoint_stream_proxy_marshal_param,
+};
+
+static const struct pw_endpoint_stream_events pw_protocol_native_endpoint_stream_server_event_marshal = {
+ PW_VERSION_ENDPOINT_STREAM_EVENTS,
+ .info = endpoint_stream_resource_marshal_info,
+ .param = endpoint_stream_resource_marshal_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_stream_client_event_demarshal[PW_ENDPOINT_STREAM_EVENT_NUM] =
+{
+ [PW_ENDPOINT_STREAM_EVENT_INFO] = { endpoint_stream_proxy_demarshal_info, 0 },
+ [PW_ENDPOINT_STREAM_EVENT_PARAM] = { endpoint_stream_proxy_demarshal_param, 0 },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_stream_server_event_demarshal[PW_ENDPOINT_STREAM_EVENT_NUM] =
+{
+ [PW_ENDPOINT_STREAM_EVENT_INFO] = { endpoint_stream_resource_demarshal_info, 0 },
+ [PW_ENDPOINT_STREAM_EVENT_PARAM] = { endpoint_stream_resource_demarshal_param, 0 },
+};
+
+static const struct pw_endpoint_stream_methods pw_protocol_native_endpoint_stream_client_method_marshal = {
+ PW_VERSION_ENDPOINT_STREAM_METHODS,
+ .add_listener = endpoint_stream_proxy_marshal_add_listener,
+ .subscribe_params = endpoint_stream_proxy_marshal_subscribe_params,
+ .enum_params = endpoint_stream_proxy_marshal_enum_params,
+ .set_param = endpoint_stream_proxy_marshal_set_param,
+};
+
+static const struct pw_endpoint_stream_methods pw_protocol_native_endpoint_stream_server_method_marshal = {
+ PW_VERSION_ENDPOINT_STREAM_METHODS,
+ .add_listener = endpoint_stream_resource_marshal_add_listener,
+ .subscribe_params = endpoint_stream_resource_marshal_subscribe_params,
+ .enum_params = endpoint_stream_resource_marshal_enum_params,
+ .set_param = endpoint_stream_resource_marshal_set_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_stream_client_method_demarshal[PW_ENDPOINT_STREAM_METHOD_NUM] =
+{
+ [PW_ENDPOINT_STREAM_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS] = { endpoint_stream_proxy_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS] = { endpoint_stream_proxy_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_SET_PARAM] = { endpoint_stream_proxy_demarshal_set_param, PW_PERM_W },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_stream_server_method_demarshal[PW_ENDPOINT_STREAM_METHOD_NUM] =
+{
+ [PW_ENDPOINT_STREAM_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_SUBSCRIBE_PARAMS] = { endpoint_stream_resource_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_ENUM_PARAMS] = { endpoint_stream_resource_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_STREAM_METHOD_SET_PARAM] = { endpoint_stream_resource_demarshal_set_param, PW_PERM_W },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_stream_marshal = {
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ 0,
+ PW_ENDPOINT_STREAM_METHOD_NUM,
+ PW_ENDPOINT_STREAM_EVENT_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_stream_client_method_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_stream_server_method_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_stream_server_event_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_stream_client_event_demarshal,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_stream_impl_marshal = {
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ PW_PROTOCOL_MARSHAL_FLAG_IMPL,
+ PW_ENDPOINT_STREAM_EVENT_NUM,
+ PW_ENDPOINT_STREAM_METHOD_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_stream_client_event_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_stream_server_event_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_stream_server_method_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_stream_client_method_demarshal,
+};
+
+/***********************************************
+ * ENDPOINT
+ ***********************************************/
+
+static void endpoint_proxy_marshal_info (void *data,
+ const struct pw_endpoint_info *info)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_info(b, info);
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void endpoint_resource_marshal_info (void *data,
+ const struct pw_endpoint_info *info)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_EVENT_INFO, NULL);
+
+ marshal_pw_endpoint_info(b, info);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void endpoint_proxy_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void endpoint_resource_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_proxy_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int endpoint_resource_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_endpoint_events *events,
+ void *data)
+{
+ struct pw_resource *resource = object;
+ pw_resource_add_object_listener(resource, listener, events, data);
+ return 0;
+}
+
+static int endpoint_proxy_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_resource_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_proxy_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_resource_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_proxy_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_resource_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_proxy_marshal_create_link(void *object,
+ const struct spa_dict *props)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_ENDPOINT_METHOD_CREATE_LINK, NULL);
+
+ push_dict(b, props);
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int endpoint_resource_marshal_create_link(void *object,
+ const struct spa_dict *props)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_ENDPOINT_METHOD_CREATE_LINK, NULL);
+
+ push_dict(b, props);
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int endpoint_proxy_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_info(&prs, &f, &info);
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_events,
+ info, 0, &info);
+}
+
+static int endpoint_resource_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_endpoint_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_endpoint_info(&prs, &f, &info);
+
+ return pw_resource_notify(resource, struct pw_endpoint_events,
+ info, 0, &info);
+}
+
+static int endpoint_proxy_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_resource_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int endpoint_proxy_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_resource_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int endpoint_proxy_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_resource_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int endpoint_proxy_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int endpoint_resource_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_endpoint_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int endpoint_proxy_demarshal_create_link(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ parse_dict(&prs, &f, &props);
+
+ return pw_proxy_notify(proxy, struct pw_endpoint_methods,
+ create_link, 0, &props);
+}
+
+static int endpoint_resource_demarshal_create_link(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ parse_dict(&prs, &f, &props);
+
+ return pw_resource_notify(resource, struct pw_endpoint_methods,
+ create_link, 0, &props);
+}
+
+static const struct pw_endpoint_events pw_protocol_native_endpoint_client_event_marshal = {
+ PW_VERSION_ENDPOINT_EVENTS,
+ .info = endpoint_proxy_marshal_info,
+ .param = endpoint_proxy_marshal_param,
+};
+
+static const struct pw_endpoint_events pw_protocol_native_endpoint_server_event_marshal = {
+ PW_VERSION_ENDPOINT_EVENTS,
+ .info = endpoint_resource_marshal_info,
+ .param = endpoint_resource_marshal_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_client_event_demarshal[PW_ENDPOINT_EVENT_NUM] =
+{
+ [PW_ENDPOINT_EVENT_INFO] = { endpoint_proxy_demarshal_info, 0 },
+ [PW_ENDPOINT_EVENT_PARAM] = { endpoint_proxy_demarshal_param, 0 },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_server_event_demarshal[PW_ENDPOINT_EVENT_NUM] =
+{
+ [PW_ENDPOINT_EVENT_INFO] = { endpoint_resource_demarshal_info, 0 },
+ [PW_ENDPOINT_EVENT_PARAM] = { endpoint_resource_demarshal_param, 0 },
+};
+
+static const struct pw_endpoint_methods pw_protocol_native_endpoint_client_method_marshal = {
+ PW_VERSION_ENDPOINT_METHODS,
+ .add_listener = endpoint_proxy_marshal_add_listener,
+ .subscribe_params = endpoint_proxy_marshal_subscribe_params,
+ .enum_params = endpoint_proxy_marshal_enum_params,
+ .set_param = endpoint_proxy_marshal_set_param,
+ .create_link = endpoint_proxy_marshal_create_link,
+};
+
+static const struct pw_endpoint_methods pw_protocol_native_endpoint_server_method_marshal = {
+ PW_VERSION_ENDPOINT_METHODS,
+ .add_listener = endpoint_resource_marshal_add_listener,
+ .subscribe_params = endpoint_resource_marshal_subscribe_params,
+ .enum_params = endpoint_resource_marshal_enum_params,
+ .set_param = endpoint_resource_marshal_set_param,
+ .create_link = endpoint_resource_marshal_create_link,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_client_method_demarshal[PW_ENDPOINT_METHOD_NUM] =
+{
+ [PW_ENDPOINT_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS] = { endpoint_proxy_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_METHOD_ENUM_PARAMS] = { endpoint_proxy_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_METHOD_SET_PARAM] = { endpoint_proxy_demarshal_set_param, PW_PERM_W },
+ [PW_ENDPOINT_METHOD_CREATE_LINK] = { endpoint_proxy_demarshal_create_link, PW_PERM_X },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_endpoint_server_method_demarshal[PW_ENDPOINT_METHOD_NUM] =
+{
+ [PW_ENDPOINT_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_ENDPOINT_METHOD_SUBSCRIBE_PARAMS] = { endpoint_resource_demarshal_subscribe_params, 0 },
+ [PW_ENDPOINT_METHOD_ENUM_PARAMS] = { endpoint_resource_demarshal_enum_params, 0 },
+ [PW_ENDPOINT_METHOD_SET_PARAM] = { endpoint_resource_demarshal_set_param, PW_PERM_W },
+ [PW_ENDPOINT_METHOD_CREATE_LINK] = { endpoint_resource_demarshal_create_link, PW_PERM_X },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_marshal = {
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ 0,
+ PW_ENDPOINT_METHOD_NUM,
+ PW_ENDPOINT_EVENT_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_client_method_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_server_method_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_server_event_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_client_event_demarshal,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_endpoint_impl_marshal = {
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ PW_PROTOCOL_MARSHAL_FLAG_IMPL,
+ PW_ENDPOINT_EVENT_NUM,
+ PW_ENDPOINT_METHOD_NUM,
+ .client_marshal = &pw_protocol_native_endpoint_client_event_marshal,
+ .server_demarshal = pw_protocol_native_endpoint_server_event_demarshal,
+ .server_marshal = &pw_protocol_native_endpoint_server_method_marshal,
+ .client_demarshal = pw_protocol_native_endpoint_client_method_demarshal,
+};
+
+/***********************************************
+ * SESSION
+ ***********************************************/
+
+static void session_proxy_marshal_info (void *data,
+ const struct pw_session_info *info)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_SESSION_EVENT_INFO, NULL);
+
+ marshal_pw_session_info(b, info);
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void session_resource_marshal_info (void *data,
+ const struct pw_session_info *info)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_SESSION_EVENT_INFO, NULL);
+
+ marshal_pw_session_info(b, info);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void session_proxy_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_SESSION_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_proxy(proxy, b);
+}
+
+static void session_resource_marshal_param (void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_SESSION_EVENT_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(seq),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(next),
+ SPA_POD_Pod(param));
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static int session_proxy_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_session_events *events,
+ void *data)
+{
+ struct pw_proxy *proxy = object;
+ pw_proxy_add_object_listener(proxy, listener, events, data);
+ return 0;
+}
+
+static int session_resource_marshal_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct pw_session_events *events,
+ void *data)
+{
+ struct pw_resource *resource = object;
+ pw_resource_add_object_listener(resource, listener, events, data);
+ return 0;
+}
+
+static int session_proxy_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_SESSION_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int session_resource_marshal_subscribe_params(void *object,
+ uint32_t *ids, uint32_t n_ids)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_SESSION_METHOD_SUBSCRIBE_PARAMS, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, n_ids, ids));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int session_proxy_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_SESSION_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int session_resource_marshal_enum_params(void *object,
+ int seq, uint32_t id,
+ uint32_t index, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct pw_protocol_native_message *msg;
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_SESSION_METHOD_ENUM_PARAMS, &msg);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Int(SPA_RESULT_RETURN_ASYNC(msg->seq)),
+ SPA_POD_Id(id),
+ SPA_POD_Int(index),
+ SPA_POD_Int(num),
+ SPA_POD_Pod(filter));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int session_proxy_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_proxy(proxy,
+ PW_SESSION_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int session_resource_marshal_set_param(void *object,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource,
+ PW_SESSION_METHOD_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ SPA_POD_Id(id),
+ SPA_POD_Int(flags),
+ SPA_POD_Pod(param));
+
+ return pw_protocol_native_end_resource(resource, b);
+}
+
+static int session_proxy_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_session_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_session_info(&prs, &f, &info);
+
+ return pw_proxy_notify(proxy, struct pw_session_events,
+ info, 0, &info);
+}
+
+static int session_resource_demarshal_info(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ struct spa_dict props = SPA_DICT_INIT(NULL, 0);
+ struct pw_session_info info = { .props = &props };
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+
+ demarshal_pw_session_info(&prs, &f, &info);
+
+ return pw_resource_notify(resource, struct pw_session_events,
+ info, 0, &info);
+}
+
+static int session_proxy_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_session_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int session_resource_demarshal_param(void *data,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_parser prs;
+ uint32_t id, index, next;
+ int seq;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&next),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_session_events,
+ param, 0, seq, id, index, next, param);
+}
+
+static int session_proxy_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_session_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int session_resource_demarshal_subscribe_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t csize, ctype, n_ids;
+ uint32_t *ids;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Array(&csize, &ctype, &n_ids, &ids)) < 0)
+ return -EINVAL;
+
+ if (ctype != SPA_TYPE_Id)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_session_methods,
+ subscribe_params, 0, ids, n_ids);
+}
+
+static int session_proxy_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_session_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int session_resource_demarshal_enum_params(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, index, num;
+ int seq;
+ struct spa_pod *filter;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Int(&seq),
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&index),
+ SPA_POD_Int(&num),
+ SPA_POD_Pod(&filter)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_session_methods,
+ enum_params, 0, seq, id, index, num, filter);
+}
+
+static int session_proxy_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_proxy *proxy = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_proxy_notify(proxy, struct pw_session_methods,
+ set_param, 0, id, flags, param);
+}
+
+static int session_resource_demarshal_set_param(void *object,
+ const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t id, flags;
+ struct spa_pod *param;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ SPA_POD_Id(&id),
+ SPA_POD_Int(&flags),
+ SPA_POD_Pod(&param)) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_session_methods,
+ set_param, 0, id, flags, param);
+}
+
+static const struct pw_session_events pw_protocol_native_session_client_event_marshal = {
+ PW_VERSION_SESSION_EVENTS,
+ .info = session_proxy_marshal_info,
+ .param = session_proxy_marshal_param,
+};
+
+static const struct pw_session_events pw_protocol_native_session_server_event_marshal = {
+ PW_VERSION_SESSION_EVENTS,
+ .info = session_resource_marshal_info,
+ .param = session_resource_marshal_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_session_client_event_demarshal[PW_SESSION_EVENT_NUM] =
+{
+ [PW_SESSION_EVENT_INFO] = { session_proxy_demarshal_info, 0 },
+ [PW_SESSION_EVENT_PARAM] = { session_proxy_demarshal_param, 0 },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_session_server_event_demarshal[PW_SESSION_EVENT_NUM] =
+{
+ [PW_SESSION_EVENT_INFO] = { session_resource_demarshal_info, 0 },
+ [PW_SESSION_EVENT_PARAM] = { session_resource_demarshal_param, 0 },
+};
+
+static const struct pw_session_methods pw_protocol_native_session_client_method_marshal = {
+ PW_VERSION_SESSION_METHODS,
+ .add_listener = session_proxy_marshal_add_listener,
+ .subscribe_params = session_proxy_marshal_subscribe_params,
+ .enum_params = session_proxy_marshal_enum_params,
+ .set_param = session_proxy_marshal_set_param,
+};
+
+static const struct pw_session_methods pw_protocol_native_session_server_method_marshal = {
+ PW_VERSION_SESSION_METHODS,
+ .add_listener = session_resource_marshal_add_listener,
+ .subscribe_params = session_resource_marshal_subscribe_params,
+ .enum_params = session_resource_marshal_enum_params,
+ .set_param = session_resource_marshal_set_param,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_session_client_method_demarshal[PW_SESSION_METHOD_NUM] =
+{
+ [PW_SESSION_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_SESSION_METHOD_SUBSCRIBE_PARAMS] = { session_proxy_demarshal_subscribe_params, 0 },
+ [PW_SESSION_METHOD_ENUM_PARAMS] = { session_proxy_demarshal_enum_params, 0 },
+ [PW_SESSION_METHOD_SET_PARAM] = { session_proxy_demarshal_set_param, PW_PERM_W },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_session_server_method_demarshal[PW_SESSION_METHOD_NUM] =
+{
+ [PW_SESSION_METHOD_ADD_LISTENER] = { demarshal_add_listener_enotsup, 0 },
+ [PW_SESSION_METHOD_SUBSCRIBE_PARAMS] = { session_resource_demarshal_subscribe_params, 0 },
+ [PW_SESSION_METHOD_ENUM_PARAMS] = { session_resource_demarshal_enum_params, 0 },
+ [PW_SESSION_METHOD_SET_PARAM] = { session_resource_demarshal_set_param, PW_PERM_W },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_session_marshal = {
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ 0,
+ PW_SESSION_METHOD_NUM,
+ PW_SESSION_EVENT_NUM,
+ .client_marshal = &pw_protocol_native_session_client_method_marshal,
+ .server_demarshal = pw_protocol_native_session_server_method_demarshal,
+ .server_marshal = &pw_protocol_native_session_server_event_marshal,
+ .client_demarshal = pw_protocol_native_session_client_event_demarshal,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_session_impl_marshal = {
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ PW_PROTOCOL_MARSHAL_FLAG_IMPL,
+ PW_SESSION_EVENT_NUM,
+ PW_SESSION_METHOD_NUM,
+ .client_marshal = &pw_protocol_native_session_client_event_marshal,
+ .server_demarshal = pw_protocol_native_session_server_event_demarshal,
+ .server_marshal = &pw_protocol_native_session_server_method_marshal,
+ .client_demarshal = pw_protocol_native_session_client_method_demarshal,
+};
+
+int pw_protocol_native_ext_session_manager_init(struct pw_context *context)
+{
+ struct pw_protocol *protocol;
+
+ protocol = pw_context_find_protocol(context, PW_TYPE_INFO_PROTOCOL_Native);
+ if (protocol == NULL)
+ return -EPROTO;
+
+ /* deprecated */
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_client_endpoint_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_client_session_marshal);
+
+ /* client <-> server */
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_link_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_stream_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_session_marshal);
+
+ /* impl <-> server */
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_link_impl_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_stream_impl_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_endpoint_impl_marshal);
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_session_impl_marshal);
+
+ return 0;
+}
diff --git a/src/modules/module-session-manager/proxy-session-manager.c b/src/modules/module-session-manager/proxy-session-manager.c
new file mode 100644
index 0000000..cd418e1
--- /dev/null
+++ b/src/modules/module-session-manager/proxy-session-manager.c
@@ -0,0 +1,188 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "pipewire/pipewire.h"
+#include "pipewire/extensions/session-manager.h"
+
+struct object_data {
+ struct spa_hook object_listener;
+ struct spa_hook object_methods;
+ struct spa_hook proxy_listener;
+};
+
+static void proxy_object_destroy(void *_data)
+{
+ struct object_data *data = _data;
+ spa_hook_remove(&data->object_listener);
+}
+
+static const struct pw_proxy_events proxy_events = {
+ PW_VERSION_PROXY_EVENTS,
+ .destroy = proxy_object_destroy,
+};
+
+struct pw_proxy *pw_core_endpoint_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size)
+{
+ struct pw_endpoint *endpoint = object;
+ struct spa_interface *remote_iface, *local_iface;
+ struct pw_proxy *proxy;
+ struct object_data *data;
+
+ proxy = pw_core_create_object(core,
+ "endpoint",
+ PW_TYPE_INTERFACE_Endpoint,
+ PW_VERSION_ENDPOINT,
+ props,
+ user_data_size + sizeof(struct object_data));
+ if (proxy == NULL)
+ return NULL;
+
+ data = pw_proxy_get_user_data(proxy);
+ data = SPA_PTROFF(data, user_data_size, struct object_data);
+
+ remote_iface = (struct spa_interface*)proxy;
+ local_iface = (struct spa_interface*)endpoint;
+
+ pw_proxy_install_marshal(proxy, true);
+
+ pw_proxy_add_listener(proxy, &data->proxy_listener, &proxy_events, data);
+
+ pw_proxy_add_object_listener(proxy, &data->object_methods,
+ local_iface->cb.funcs, local_iface->cb.data);
+ pw_endpoint_add_listener(endpoint, &data->object_listener,
+ remote_iface->cb.funcs, remote_iface->cb.data);
+
+ return proxy;
+}
+
+struct pw_proxy *pw_core_endpoint_stream_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size)
+{
+ struct pw_endpoint_stream *endpoint_stream = object;
+ struct spa_interface *remote_iface, *local_iface;
+ struct pw_proxy *proxy;
+ struct object_data *data;
+
+ proxy = pw_core_create_object(core,
+ "endpoint-stream",
+ PW_TYPE_INTERFACE_EndpointStream,
+ PW_VERSION_ENDPOINT_STREAM,
+ props,
+ user_data_size + sizeof(struct object_data));
+ if (proxy == NULL)
+ return NULL;
+
+ data = pw_proxy_get_user_data(proxy);
+ data = SPA_PTROFF(data, user_data_size, struct object_data);
+
+ remote_iface = (struct spa_interface*)proxy;
+ local_iface = (struct spa_interface*)endpoint_stream;
+
+ pw_proxy_install_marshal(proxy, true);
+
+ pw_proxy_add_listener(proxy, &data->proxy_listener, &proxy_events, data);
+
+ pw_proxy_add_object_listener(proxy, &data->object_methods,
+ local_iface->cb.funcs, local_iface->cb.data);
+ pw_endpoint_stream_add_listener(endpoint_stream, &data->object_listener,
+ remote_iface->cb.funcs, remote_iface->cb.data);
+
+ return proxy;
+}
+
+struct pw_proxy *pw_core_endpoint_link_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size)
+{
+ struct pw_endpoint_link *endpoint_link = object;
+ struct spa_interface *remote_iface, *local_iface;
+ struct pw_proxy *proxy;
+ struct object_data *data;
+
+ proxy = pw_core_create_object(core,
+ "endpoint-link",
+ PW_TYPE_INTERFACE_EndpointLink,
+ PW_VERSION_ENDPOINT_LINK,
+ props,
+ user_data_size + sizeof(struct object_data));
+ if (proxy == NULL)
+ return NULL;
+
+ data = pw_proxy_get_user_data(proxy);
+ data = SPA_PTROFF(data, user_data_size, struct object_data);
+
+ remote_iface = (struct spa_interface*)proxy;
+ local_iface = (struct spa_interface*)endpoint_link;
+
+ pw_proxy_install_marshal(proxy, true);
+
+ pw_proxy_add_listener(proxy, &data->proxy_listener, &proxy_events, data);
+
+ pw_proxy_add_object_listener(proxy, &data->object_methods,
+ local_iface->cb.funcs, local_iface->cb.data);
+ pw_endpoint_link_add_listener(endpoint_link, &data->object_listener,
+ remote_iface->cb.funcs, remote_iface->cb.data);
+
+ return proxy;
+}
+
+struct pw_proxy *pw_core_session_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size)
+{
+ struct pw_session *session = object;
+ struct spa_interface *remote_iface, *local_iface;
+ struct pw_proxy *proxy;
+ struct object_data *data;
+
+ proxy = pw_core_create_object(core,
+ "session",
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ props,
+ user_data_size + sizeof(struct object_data));
+ if (proxy == NULL)
+ return NULL;
+
+ data = pw_proxy_get_user_data(proxy);
+ data = SPA_PTROFF(data, user_data_size, struct object_data);
+
+ remote_iface = (struct spa_interface*)proxy;
+ local_iface = (struct spa_interface*)session;
+
+ pw_proxy_install_marshal(proxy, true);
+
+ pw_proxy_add_listener(proxy, &data->proxy_listener, &proxy_events, data);
+
+ pw_proxy_add_object_listener(proxy, &data->object_methods,
+ local_iface->cb.funcs, local_iface->cb.data);
+ pw_session_add_listener(session, &data->object_listener,
+ remote_iface->cb.funcs, remote_iface->cb.data);
+
+ return proxy;
+}
diff --git a/src/modules/module-session-manager/session.c b/src/modules/module-session-manager/session.c
new file mode 100644
index 0000000..e3d7210
--- /dev/null
+++ b/src/modules/module-session-manager/session.c
@@ -0,0 +1,578 @@
+/* PipeWire
+ *
+ * Copyright © 2020 Collabora Ltd.
+ * @author George Kiagiadakis <george.kiagiadakis@collabora.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <pipewire/impl.h>
+#include <pipewire/extensions/session-manager.h>
+#include <pipewire/extensions/session-manager/introspect-funcs.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/pod/filter.h>
+
+#define MAX_PARAMS 32
+
+#define NAME "session"
+
+struct pw_proxy *pw_core_session_export(struct pw_core *core,
+ const char *type, const struct spa_dict *props, void *object,
+ size_t user_data_size);
+
+struct impl
+{
+ struct pw_global *global;
+ struct spa_hook global_listener;
+
+ union {
+ struct pw_session *session;
+ struct pw_resource *resource;
+ };
+ struct spa_hook resource_listener;
+ struct spa_hook session_listener;
+
+ struct pw_session_info *cached_info;
+ struct spa_list cached_params;
+
+ int ping_seq;
+ bool registered;
+};
+
+struct param_data
+{
+ struct spa_list link;
+ uint32_t id;
+ struct pw_array params;
+};
+
+struct resource_data
+{
+ struct impl *impl;
+
+ struct pw_resource *resource;
+ struct spa_hook object_listener;
+
+ uint32_t n_subscribe_ids;
+ uint32_t subscribe_ids[32];
+};
+
+struct factory_data
+{
+ struct pw_impl_module *module;
+ struct spa_hook module_listener;
+
+ struct pw_impl_factory *factory;
+ struct spa_hook factory_listener;
+
+ struct pw_export_type export;
+};
+
+#define pw_session_resource(r,m,v,...) \
+ pw_resource_call(r,struct pw_session_events,m,v,__VA_ARGS__)
+
+#define pw_session_resource_info(r,...) \
+ pw_session_resource(r,info,0,__VA_ARGS__)
+#define pw_session_resource_param(r,...) \
+ pw_session_resource(r,param,0,__VA_ARGS__)
+
+static int method_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ struct param_data *pdata;
+ struct spa_pod *result;
+ struct spa_pod *param;
+ uint8_t buffer[1024];
+ struct spa_pod_builder b = { 0 };
+ uint32_t index;
+ uint32_t next = start;
+ uint32_t count = 0;
+
+ pw_log_debug(NAME" %p: param %u %d/%d", impl, id, start, num);
+
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ while (true) {
+ index = next++;
+ if (index >= pw_array_get_len(&pdata->params, void*))
+ return 0;
+
+ param = *pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+ if (spa_pod_filter(&b, &result, param, filter) != 0)
+ continue;
+
+ pw_log_debug(NAME" %p: %d param %u", impl, seq, index);
+
+ pw_session_resource_param(d->resource, seq, id, index, next, result);
+
+ if (++count == num)
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int method_subscribe_params(void *object, uint32_t *ids, uint32_t n_ids)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ uint32_t i;
+
+ n_ids = SPA_MIN(n_ids, SPA_N_ELEMENTS(d->subscribe_ids));
+ d->n_subscribe_ids = n_ids;
+
+ for (i = 0; i < n_ids; i++) {
+ d->subscribe_ids[i] = ids[i];
+ pw_log_debug(NAME" %p: resource %d subscribe param %u",
+ impl, pw_resource_get_id(d->resource), ids[i]);
+ method_enum_params(object, 1, ids[i], 0, UINT32_MAX, NULL);
+ }
+ return 0;
+}
+
+static int method_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct resource_data *d = object;
+ struct impl *impl = d->impl;
+ /* store only on the implementation; our cache will be updated
+ by the param event, since we are subscribed */
+ pw_session_set_param(impl->session, id, flags, param);
+ return 0;
+}
+
+static const struct pw_session_methods session_methods = {
+ PW_VERSION_SESSION_METHODS,
+ .subscribe_params = method_subscribe_params,
+ .enum_params = method_enum_params,
+ .set_param = method_set_param,
+};
+
+static int global_bind(void *object, struct pw_impl_client *client,
+ uint32_t permissions, uint32_t version, uint32_t id)
+{
+ struct impl *impl = object;
+ struct pw_resource *resource;
+ struct resource_data *data;
+
+ resource = pw_resource_new(client, id, permissions,
+ PW_TYPE_INTERFACE_Session,
+ version, sizeof(*data));
+ if (resource == NULL)
+ return -errno;
+
+ data = pw_resource_get_user_data(resource);
+ data->impl = impl;
+ data->resource = resource;
+
+ pw_global_add_resource(impl->global, resource);
+
+ /* resource methods -> implementation */
+ pw_resource_add_object_listener(resource,
+ &data->object_listener,
+ &session_methods, data);
+
+ impl->cached_info->change_mask = PW_SESSION_CHANGE_MASK_ALL;
+ pw_session_resource_info(resource, impl->cached_info);
+ impl->cached_info->change_mask = 0;
+
+ return 0;
+}
+
+static void global_destroy(void *data)
+{
+ struct impl *impl = data;
+ spa_hook_remove(&impl->global_listener);
+ impl->global = NULL;
+ if (impl->resource)
+ pw_resource_destroy(impl->resource);
+}
+
+static const struct pw_global_events global_events = {
+ PW_VERSION_GLOBAL_EVENTS,
+ .destroy = global_destroy,
+};
+
+static void impl_resource_destroy(void *data)
+{
+ struct impl *impl = data;
+ struct param_data *pdata, *tmp;
+
+ spa_hook_remove(&impl->resource_listener);
+ impl->resource = NULL;
+
+ /* clear cache */
+ if (impl->cached_info)
+ pw_session_info_free(impl->cached_info);
+ spa_list_for_each_safe(pdata, tmp, &impl->cached_params, link) {
+ struct spa_pod **pod;
+ pw_array_for_each(pod, &pdata->params)
+ free(*pod);
+ pw_array_clear(&pdata->params);
+ spa_list_remove(&pdata->link);
+ free(pdata);
+ }
+
+ if (impl->global)
+ pw_global_destroy(impl->global);
+}
+
+static void register_global(struct impl *impl)
+{
+ impl->cached_info->id = pw_global_get_id (impl->global);
+ pw_resource_set_bound_id(impl->resource, impl->cached_info->id);
+ pw_global_register(impl->global);
+ impl->registered = true;
+}
+
+static void impl_resource_pong (void *data, int seq)
+{
+ struct impl *impl = data;
+
+ /* complete registration, if this was the initial sync */
+ if (!impl->registered && seq == impl->ping_seq) {
+ register_global(impl);
+ }
+}
+
+static const struct pw_resource_events impl_resource_events = {
+ PW_VERSION_RESOURCE_EVENTS,
+ .destroy = impl_resource_destroy,
+ .pong = impl_resource_pong,
+};
+
+static int emit_info(void *data, struct pw_resource *resource)
+{
+ const struct pw_session_info *info = data;
+ pw_session_resource_info(resource, info);
+ return 0;
+}
+
+static void event_info(void *data, const struct pw_session_info *info)
+{
+ struct impl *impl = data;
+ uint32_t changed_ids[MAX_PARAMS], n_changed_ids = 0;
+ uint32_t i;
+
+ /* figure out changes to params */
+ if (info->change_mask & PW_SESSION_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ if ((!impl->cached_info ||
+ info->params[i].flags != impl->cached_info->params[i].flags)
+ && info->params[i].flags & SPA_PARAM_INFO_READ)
+ changed_ids[n_changed_ids++] = info->params[i].id;
+ }
+ }
+
+ /* cache for new clients */
+ impl->cached_info = pw_session_info_update (impl->cached_info, info);
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_info, (void*) info);
+
+ /* cache params & register */
+ if (n_changed_ids > 0) {
+ /* prepare params storage */
+ for (i = 0; i < n_changed_ids; i++) {
+ struct param_data *pdata = calloc(1, sizeof(struct param_data));
+ pdata->id = changed_ids[i];
+ pw_array_init(&pdata->params, sizeof(void*));
+ spa_list_append(&impl->cached_params, &pdata->link);
+ }
+
+ /* subscribe to impl */
+ pw_session_subscribe_params(impl->session, changed_ids, n_changed_ids);
+
+ /* register asynchronously on the pong event */
+ impl->ping_seq = pw_resource_ping(impl->resource, 0);
+ }
+ else if (!impl->registered) {
+ register_global(impl);
+ }
+}
+
+struct param_event_args
+{
+ uint32_t id, index, next;
+ const struct spa_pod *param;
+};
+
+static int emit_param(void *_data, struct pw_resource *resource)
+{
+ struct param_event_args *args = _data;
+ struct resource_data *data;
+ uint32_t i;
+
+ data = pw_resource_get_user_data(resource);
+ for (i = 0; i < data->n_subscribe_ids; i++) {
+ if (data->subscribe_ids[i] == args->id) {
+ pw_session_resource_param(resource, 1,
+ args->id, args->index, args->next, args->param);
+ }
+ }
+ return 0;
+}
+
+static void event_param(void *data, int seq,
+ uint32_t id, uint32_t index, uint32_t next,
+ const struct spa_pod *param)
+{
+ struct impl *impl = data;
+ struct param_data *pdata;
+ struct spa_pod **pod;
+ struct param_event_args args = { id, index, next, param };
+
+ /* cache for new requests */
+ spa_list_for_each(pdata, &impl->cached_params, link) {
+ if (pdata->id != id)
+ continue;
+
+ if (!pw_array_check_index(&pdata->params, index, void*)) {
+ while (pw_array_get_len(&pdata->params, void*) <= index)
+ pw_array_add_ptr(&pdata->params, NULL);
+ }
+
+ pod = pw_array_get_unchecked(&pdata->params, index, struct spa_pod*);
+ free(*pod);
+ *pod = spa_pod_copy(param);
+ }
+
+ /* notify existing clients */
+ pw_global_for_each_resource(impl->global, emit_param, &args);
+}
+
+static const struct pw_session_events session_events = {
+ PW_VERSION_SESSION_EVENTS,
+ .info = event_info,
+ .param = event_param,
+};
+
+static void *session_new(struct pw_context *context,
+ struct pw_resource *resource,
+ struct pw_properties *properties)
+{
+ struct impl *impl;
+ char serial_str[32];
+ struct spa_dict_item items[1] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_OBJECT_SERIAL, serial_str),
+ };
+ struct spa_dict extra_props = SPA_DICT_INIT_ARRAY(items);
+ static const char * const keys[] = {
+ PW_KEY_OBJECT_SERIAL,
+ NULL
+ };
+
+ impl = calloc(1, sizeof(*impl));
+ if (impl == NULL) {
+ pw_properties_free(properties);
+ return NULL;
+ }
+
+ impl->global = pw_global_new(context,
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ properties,
+ global_bind, impl);
+ if (impl->global == NULL) {
+ free(impl);
+ return NULL;
+ }
+ impl->resource = resource;
+
+ spa_scnprintf(serial_str, sizeof(serial_str), "%"PRIu64,
+ pw_global_get_serial(impl->global));
+ pw_global_update_keys(impl->global, &extra_props, keys);
+
+ spa_list_init(&impl->cached_params);
+
+ /* handle destroy events */
+ pw_global_add_listener(impl->global,
+ &impl->global_listener,
+ &global_events, impl);
+ pw_resource_add_listener(impl->resource,
+ &impl->resource_listener,
+ &impl_resource_events, impl);
+
+ /* handle implementation events -> cache + client resources */
+ pw_session_add_listener(impl->session,
+ &impl->session_listener,
+ &session_events, impl);
+
+ /* global is not registered here on purpose;
+ we first cache info + params and then expose the global */
+
+ return impl;
+}
+
+static void *create_object(void *data,
+ struct pw_resource *resource,
+ const char *type,
+ uint32_t version,
+ struct pw_properties *properties,
+ uint32_t new_id)
+{
+ struct factory_data *d = data;
+ struct pw_resource *impl_resource;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ void *result;
+ int res;
+
+ impl_resource = pw_resource_new(client, new_id, PW_PERM_ALL, type, version, 0);
+ if (impl_resource == NULL) {
+ res = -errno;
+ goto error_resource;
+ }
+
+ pw_resource_install_marshal(impl_resource, true);
+
+ if (properties == NULL)
+ properties = pw_properties_new(NULL, NULL);
+ if (properties == NULL) {
+ res = -ENOMEM;
+ goto error_session;
+ }
+
+ pw_properties_setf(properties, PW_KEY_CLIENT_ID, "%d",
+ pw_impl_client_get_info(client)->id);
+ pw_properties_setf(properties, PW_KEY_FACTORY_ID, "%d",
+ pw_impl_factory_get_info(d->factory)->id);
+
+ result = session_new(pw_impl_client_get_context(client), impl_resource, properties);
+ if (result == NULL) {
+ res = -errno;
+ goto error_session;
+ }
+ return result;
+
+error_resource:
+ pw_log_error("can't create resource: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create resource: %s", spa_strerror(res));
+ goto error_exit;
+error_session:
+ pw_log_error("can't create session: %s", spa_strerror(res));
+ pw_resource_errorf_id(resource, new_id, res, "can't create session: %s", spa_strerror(res));
+ goto error_exit_free;
+
+error_exit_free:
+ pw_resource_remove(impl_resource);
+error_exit:
+ errno = -res;
+ return NULL;
+}
+
+static const struct pw_impl_factory_implementation impl_factory = {
+ PW_VERSION_IMPL_FACTORY_IMPLEMENTATION,
+ .create_object = create_object,
+};
+
+static void factory_destroy(void *data)
+{
+ struct factory_data *d = data;
+ spa_hook_remove(&d->factory_listener);
+ d->factory = NULL;
+ if (d->module)
+ pw_impl_module_destroy(d->module);
+}
+
+static const struct pw_impl_factory_events factory_events = {
+ PW_VERSION_IMPL_FACTORY_EVENTS,
+ .destroy = factory_destroy,
+};
+
+static void module_destroy(void *data)
+{
+ struct factory_data *d = data;
+
+ spa_hook_remove(&d->module_listener);
+ spa_list_remove(&d->export.link);
+ d->module = NULL;
+ if (d->factory)
+ pw_impl_factory_destroy(d->factory);
+}
+
+static void module_registered(void *data)
+{
+ struct factory_data *d = data;
+ struct pw_impl_module *module = d->module;
+ struct pw_impl_factory *factory = d->factory;
+ struct spa_dict_item items[1];
+ char id[16];
+ int res;
+
+ snprintf(id, sizeof(id), "%d", pw_impl_module_get_info(module)->id);
+ items[0] = SPA_DICT_ITEM_INIT(PW_KEY_MODULE_ID, id);
+ pw_impl_factory_update_properties(factory, &SPA_DICT_INIT(items, 1));
+
+ if ((res = pw_impl_factory_register(factory, NULL)) < 0) {
+ pw_log_error(NAME" %p: can't register factory: %s", factory, spa_strerror(res));
+ }
+}
+
+static const struct pw_impl_module_events module_events = {
+ PW_VERSION_IMPL_MODULE_EVENTS,
+ .destroy = module_destroy,
+ .registered = module_registered,
+};
+
+int session_factory_init(struct pw_impl_module *module)
+{
+ struct pw_context *context = pw_impl_module_get_context(module);
+ struct pw_impl_factory *factory;
+ struct factory_data *data;
+ int res;
+
+ factory = pw_context_create_factory(context,
+ "session",
+ PW_TYPE_INTERFACE_Session,
+ PW_VERSION_SESSION,
+ NULL,
+ sizeof(*data));
+ if (factory == NULL)
+ return -errno;
+
+ data = pw_impl_factory_get_user_data(factory);
+ data->factory = factory;
+ data->module = module;
+
+ pw_impl_factory_set_implementation(factory, &impl_factory, data);
+
+ data->export.type = PW_TYPE_INTERFACE_Session;
+ data->export.func = pw_core_session_export;
+ if ((res = pw_context_register_export_type(context, &data->export)) < 0)
+ goto error;
+
+ pw_impl_factory_add_listener(factory, &data->factory_listener, &factory_events, data);
+ pw_impl_module_add_listener(module, &data->module_listener, &module_events, data);
+
+ return 0;
+error:
+ pw_impl_factory_destroy(data->factory);
+ return res;
+}