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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
commit7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch)
treed483300dab478b994fe199a5d19d18d74153718a /src/modules/module-client-node/v0/protocol-native.c
parentInitial commit. (diff)
downloadpipewire-upstream/0.3.65.tar.xz
pipewire-upstream/0.3.65.zip
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/modules/module-client-node/v0/protocol-native.c534
1 files changed, 534 insertions, 0 deletions
diff --git a/src/modules/module-client-node/v0/protocol-native.c b/src/modules/module-client-node/v0/protocol-native.c
new file mode 100644
index 0000000..86d8fe9
--- /dev/null
+++ b/src/modules/module-client-node/v0/protocol-native.c
@@ -0,0 +1,534 @@
+/* PipeWire
+ *
+ * Copyright © 2017 Wim Taymans <wim.taymans@gmail.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 <errno.h>
+
+#include <spa/pod/parser.h>
+#include <spa/pod/builder.h>
+#include <spa/utils/type-info.h>
+
+#include "pipewire/impl.h"
+
+#include "pipewire/extensions/protocol-native.h"
+
+#include "ext-client-node.h"
+
+#include "transport.h"
+
+#define PW_PROTOCOL_NATIVE_FLAG_REMAP (1<<0)
+
+extern uint32_t pw_protocol_native0_find_type(struct pw_impl_client *client, const char *type);
+extern int pw_protocol_native0_pod_to_v2(struct pw_impl_client *client, const struct spa_pod *pod,
+ struct spa_pod_builder *b);
+extern struct spa_pod * pw_protocol_native0_pod_from_v2(struct pw_impl_client *client,
+ const struct spa_pod *pod);
+extern uint32_t pw_protocol_native0_type_to_v2(struct pw_impl_client *client,
+ const struct spa_type_info *info, uint32_t type);
+
+static void
+client_node_marshal_add_mem(void *data,
+ uint32_t mem_id,
+ uint32_t type,
+ int memfd, uint32_t flags)
+{
+ struct pw_resource *resource = data;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_builder *b;
+ const char *typename;
+
+ switch (type) {
+ case SPA_DATA_MemFd:
+ typename = "Spa:Enum:DataType:Fd:MemFd";
+ break;
+ case SPA_DATA_DmaBuf:
+ typename = "Spa:Enum:DataType:Fd:DmaBuf";
+ break;
+ default:
+ case SPA_DATA_MemPtr:
+ return;
+
+ }
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_ADD_MEM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", mem_id,
+ "I", pw_protocol_native0_find_type(client, typename),
+ "i", pw_protocol_native_add_resource_fd(resource, memfd),
+ "i", flags);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void client_node_marshal_transport(void *data, uint32_t node_id, int readfd, int writefd,
+ struct pw_client_node0_transport *transport)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+ struct pw_client_node0_transport_info info;
+
+ pw_client_node0_transport_get_info(transport, &info);
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_TRANSPORT, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", node_id,
+ "i", pw_protocol_native_add_resource_fd(resource, readfd),
+ "i", pw_protocol_native_add_resource_fd(resource, writefd),
+ "i", pw_protocol_native_add_resource_fd(resource, info.memfd),
+ "i", info.offset,
+ "i", info.size);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_set_param(void *data, uint32_t seq, 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_NODE0_EVENT_SET_PARAM, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", seq,
+ "I", id,
+ "i", flags,
+ "P", param);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void client_node_marshal_event_event(void *data, const struct spa_event *event)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_EVENT, NULL);
+
+ spa_pod_builder_add_struct(b, "P", event);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_command(void *data, uint32_t seq, const struct spa_command *command)
+{
+ struct pw_resource *resource = data;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_COMMAND, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b, "i", seq, NULL);
+ if (SPA_COMMAND_TYPE(command) == 0)
+ spa_pod_builder_add(b, "P", command, NULL);
+ else
+ pw_protocol_native0_pod_to_v2(client, (struct spa_pod *)command, b);
+ spa_pod_builder_pop(b, &f);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_add_port(void *data,
+ uint32_t seq, enum spa_direction direction, uint32_t port_id)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_ADD_PORT, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", seq,
+ "i", direction,
+ "i", port_id);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_remove_port(void *data,
+ uint32_t seq, enum spa_direction direction, uint32_t port_id)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_REMOVE_PORT, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", seq,
+ "i", direction,
+ "i", port_id);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_port_set_param(void *data,
+ uint32_t seq,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t id,
+ uint32_t flags,
+ const struct spa_pod *param)
+{
+ struct pw_resource *resource = data;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ const char *typename;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_SET_PARAM, NULL);
+
+ switch (id) {
+ case SPA_PARAM_Props:
+ typename = "Spa:Enum:ParamId:Props";
+ break;
+ case SPA_PARAM_Format:
+ typename = "Spa:Enum:ParamId:Format";
+ break;
+ default:
+ return;
+ }
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ "i", seq,
+ "i", direction,
+ "i", port_id,
+ "I", pw_protocol_native0_find_type(client, typename),
+ "i", flags, NULL);
+ pw_protocol_native0_pod_to_v2(client, param, b);
+ spa_pod_builder_pop(b, &f);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_port_use_buffers(void *data,
+ uint32_t seq,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t n_buffers, struct pw_client_node0_buffer *buffers)
+{
+ struct pw_resource *resource = data;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+ uint32_t i, j;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_USE_BUFFERS, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ "i", seq,
+ "i", direction,
+ "i", port_id,
+ "i", n_buffers, NULL);
+
+ for (i = 0; i < n_buffers; i++) {
+ struct spa_buffer *buf = buffers[i].buffer;
+
+ spa_pod_builder_add(b,
+ "i", buffers[i].mem_id,
+ "i", buffers[i].offset,
+ "i", buffers[i].size,
+ "i", i,
+ "i", buf->n_metas, NULL);
+
+ for (j = 0; j < buf->n_metas; j++) {
+ struct spa_meta *m = &buf->metas[j];
+ spa_pod_builder_add(b,
+ "I", pw_protocol_native0_type_to_v2(client, spa_type_meta_type, m->type),
+ "i", m->size, NULL);
+ }
+ spa_pod_builder_add(b, "i", buf->n_datas, NULL);
+ for (j = 0; j < buf->n_datas; j++) {
+ struct spa_data *d = &buf->datas[j];
+ spa_pod_builder_add(b,
+ "I", pw_protocol_native0_type_to_v2(client, spa_type_data_type, d->type),
+ "i", SPA_PTR_TO_UINT32(d->data),
+ "i", d->flags,
+ "i", d->mapoffset,
+ "i", d->maxsize, NULL);
+ }
+ }
+ spa_pod_builder_pop(b, &f);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_port_command(void *data,
+ uint32_t direction,
+ uint32_t port_id,
+ const struct spa_command *command)
+{
+ struct pw_resource *resource = data;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_builder *b;
+ struct spa_pod_frame f;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_COMMAND, NULL);
+
+ spa_pod_builder_push_struct(b, &f);
+ spa_pod_builder_add(b,
+ "i", direction,
+ "i", port_id, NULL);
+ pw_protocol_native0_pod_to_v2(client, (struct spa_pod *)command, b);
+ spa_pod_builder_pop(b, &f);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+static void
+client_node_marshal_port_set_io(void *data,
+ uint32_t seq,
+ uint32_t direction,
+ uint32_t port_id,
+ uint32_t id,
+ uint32_t memid,
+ uint32_t offset,
+ uint32_t size)
+{
+ struct pw_resource *resource = data;
+ struct spa_pod_builder *b;
+
+ b = pw_protocol_native_begin_resource(resource, PW_CLIENT_NODE0_EVENT_PORT_SET_IO, NULL);
+
+ spa_pod_builder_add_struct(b,
+ "i", seq,
+ "i", direction,
+ "i", port_id,
+ "I", id,
+ "i", memid,
+ "i", offset,
+ "i", size);
+
+ pw_protocol_native_end_resource(resource, b);
+}
+
+
+static int client_node_demarshal_done(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ uint32_t seq, res;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ "i", &seq,
+ "i", &res) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_client_node0_methods, done, 0, seq, res);
+}
+
+static int client_node_demarshal_update(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f;
+ uint32_t change_mask, max_input_ports, max_output_ports, n_params;
+ const struct spa_pod **params;
+ uint32_t i;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs, &f) < 0 ||
+ spa_pod_parser_get(&prs,
+ "i", &change_mask,
+ "i", &max_input_ports,
+ "i", &max_output_ports,
+ "i", &n_params, NULL) < 0)
+ return -EINVAL;
+
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs, "O", &params[i], NULL) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_client_node0_methods, update, 0, change_mask,
+ max_input_ports,
+ max_output_ports,
+ n_params,
+ params);
+}
+
+static int client_node_demarshal_port_update(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ struct spa_pod_frame f[2];
+ uint32_t i, direction, port_id, change_mask, n_params;
+ const struct spa_pod **params = NULL;
+ struct spa_port_info info = { 0 }, *infop = NULL;
+ struct spa_dict props;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_push_struct(&prs, &f[0]) < 0 ||
+ spa_pod_parser_get(&prs,
+ "i", &direction,
+ "i", &port_id,
+ "i", &change_mask,
+ "i", &n_params, NULL) < 0)
+ return -EINVAL;
+
+ params = alloca(n_params * sizeof(struct spa_pod *));
+ for (i = 0; i < n_params; i++)
+ if (spa_pod_parser_get(&prs, "O", &params[i], NULL) < 0)
+ return -EINVAL;
+
+
+ if (spa_pod_parser_push_struct(&prs, &f[1]) >= 0) {
+ infop = &info;
+
+ if (spa_pod_parser_get(&prs,
+ "i", &info.flags,
+ "i", &info.rate,
+ "i", &props.n_items, NULL) < 0)
+ return -EINVAL;
+
+ if (props.n_items > 0) {
+ info.props = &props;
+
+ props.items = alloca(props.n_items * sizeof(struct spa_dict_item));
+ for (i = 0; i < props.n_items; i++) {
+ if (spa_pod_parser_get(&prs,
+ "s", &props.items[i].key,
+ "s", &props.items[i].value,
+ NULL) < 0)
+ return -EINVAL;
+ }
+ }
+ }
+
+ return pw_resource_notify(resource, struct pw_client_node0_methods, port_update, 0, direction,
+ port_id,
+ change_mask,
+ n_params,
+ params, infop);
+}
+
+static int client_node_demarshal_set_active(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ int active;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ "b", &active) < 0)
+ return -EINVAL;
+
+ return pw_resource_notify(resource, struct pw_client_node0_methods, set_active, 0, active);
+}
+
+static int client_node_demarshal_event_method(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct pw_impl_client *client = pw_resource_get_client(resource);
+ struct spa_pod_parser prs;
+ struct spa_event *event;
+ int res;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs,
+ "O", &event) < 0)
+ return -EINVAL;
+
+ event = (struct spa_event*)pw_protocol_native0_pod_from_v2(client, (struct spa_pod *)event);
+
+ res = pw_resource_notify(resource, struct pw_client_node0_methods, event, 0, event);
+ free(event);
+
+ return res;
+}
+
+static int client_node_demarshal_destroy(void *object, const struct pw_protocol_native_message *msg)
+{
+ struct pw_resource *resource = object;
+ struct spa_pod_parser prs;
+ int res;
+
+ spa_pod_parser_init(&prs, msg->data, msg->size);
+ if (spa_pod_parser_get_struct(&prs, NULL) < 0)
+ return -EINVAL;
+
+ res = pw_resource_notify(resource, struct pw_client_node0_methods, destroy, 0);
+ pw_resource_destroy(resource);
+ return res;
+}
+
+static const struct pw_protocol_native_demarshal pw_protocol_native_client_node_method_demarshal[] = {
+ { &client_node_demarshal_done, 0, 0 },
+ { &client_node_demarshal_update, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP },
+ { &client_node_demarshal_port_update, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP },
+ { &client_node_demarshal_set_active, 0, 0 },
+ { &client_node_demarshal_event_method, 0, PW_PROTOCOL_NATIVE_FLAG_REMAP },
+ { &client_node_demarshal_destroy, 0, 0 },
+};
+
+static const struct pw_client_node0_events pw_protocol_native_client_node_event_marshal = {
+ PW_VERSION_CLIENT_NODE0_EVENTS,
+ &client_node_marshal_add_mem,
+ &client_node_marshal_transport,
+ &client_node_marshal_set_param,
+ &client_node_marshal_event_event,
+ &client_node_marshal_command,
+ &client_node_marshal_add_port,
+ &client_node_marshal_remove_port,
+ &client_node_marshal_port_set_param,
+ &client_node_marshal_port_use_buffers,
+ &client_node_marshal_port_command,
+ &client_node_marshal_port_set_io,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_client_node_marshal = {
+ PW_TYPE_INTERFACE_ClientNode,
+ PW_VERSION_CLIENT_NODE0,
+ PW_CLIENT_NODE0_METHOD_NUM,
+ PW_CLIENT_NODE0_EVENT_NUM,
+ 0,
+ NULL,
+ .server_demarshal = &pw_protocol_native_client_node_method_demarshal,
+ .server_marshal = &pw_protocol_native_client_node_event_marshal,
+ NULL,
+};
+
+struct pw_protocol *pw_protocol_native_ext_client_node0_init(struct pw_context *context)
+{
+ struct pw_protocol *protocol;
+
+ protocol = pw_context_find_protocol(context, PW_TYPE_INFO_PROTOCOL_Native);
+
+ if (protocol == NULL)
+ return NULL;
+
+ pw_protocol_add_marshal(protocol, &pw_protocol_native_client_node_marshal);
+
+ return protocol;
+}