Adding upstream version 0.3.65.upstream/0.3.65upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 354 insertions, 0 deletions

diff --git a/src/modules/module-metadata/protocol-native.c b/src/modules/module-metadata/protocol-native.c
new file mode 100644
index 0000000..54958db
--- /dev/null
+++ b/src/modules/module-metadata/protocol-native.c
@@ -0,0 +1,354 @@
+/* PipeWire
+ *
+ * Copyright © 2019 Wim Taymans
+ *
+ * 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/builder.h>
+#include <spa/pod/parser.h>
+#include <spa/utils/result.h>
+
+#include <pipewire/pipewire.h>
+
+#include <pipewire/extensions/protocol-native.h>
+#include <pipewire/extensions/metadata.h>
+
+static int metadata_resource_marshal_add_listener(void *object,
+			struct spa_hook *listener,
+			const struct pw_metadata_events *events,
+			void *data)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_builder *b;
+
+	pw_resource_add_object_listener(resource, listener, events, data);
+
+	b = pw_protocol_native_begin_resource(resource, PW_METADATA_METHOD_ADD_LISTENER, NULL);
+	return pw_protocol_native_end_resource(resource, b);
+}
+
+static int metadata_proxy_marshal_add_listener(void *object,
+			struct spa_hook *listener,
+			const struct pw_metadata_events *events,
+			void *data)
+{
+	struct pw_proxy *proxy = object;
+	pw_proxy_add_object_listener(proxy, listener, events, data);
+	return 0;
+}
+
+static int metadata_resource_demarshal_add_listener(void *object,
+			const struct pw_protocol_native_message *msg)
+{
+	return -ENOTSUP;
+}
+
+static const struct pw_metadata_events pw_protocol_native_metadata_client_event_marshal;
+
+static int metadata_proxy_demarshal_add_listener(void *object,
+			const struct pw_protocol_native_message *msg)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_hook listener;
+	int res;
+
+	spa_zero(listener);
+	res = pw_proxy_notify(proxy, struct pw_metadata_methods, add_listener, 0,
+			&listener, &pw_protocol_native_metadata_client_event_marshal, object);
+	spa_hook_remove(&listener);
+
+	return res;
+}
+
+static void metadata_marshal_set_property(struct spa_pod_builder *b, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	spa_pod_builder_add_struct(b,
+			SPA_POD_Int(subject),
+			SPA_POD_String(key),
+			SPA_POD_String(type),
+			SPA_POD_String(value));
+}
+
+static int metadata_proxy_marshal_set_property(void *object, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_proxy(proxy, PW_METADATA_METHOD_SET_PROPERTY, NULL);
+	metadata_marshal_set_property(b, subject, key, type, value);
+	return pw_protocol_native_end_proxy(proxy, b);
+}
+static int metadata_resource_marshal_set_property(void *object, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_resource(resource, PW_METADATA_METHOD_SET_PROPERTY, NULL);
+	metadata_marshal_set_property(b, subject, key, type, value);
+	return pw_protocol_native_end_resource(resource, b);
+}
+
+static int metadata_demarshal_set_property(struct spa_pod_parser *prs, uint32_t *subject,
+		char **key, char **type, char **value)
+{
+	return spa_pod_parser_get_struct(prs,
+			SPA_POD_Int(subject),
+			SPA_POD_String(key),
+			SPA_POD_String(type),
+			SPA_POD_String(value));
+}
+
+static int metadata_proxy_demarshal_set_property(void *object,
+			const struct pw_protocol_native_message *msg)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_parser prs;
+	uint32_t subject;
+	char *key, *type, *value;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (metadata_demarshal_set_property(&prs, &subject, &key, &type, &value) < 0)
+		return -EINVAL;
+	return pw_proxy_notify(proxy, struct pw_metadata_methods, set_property, 0, subject, key, type, value);
+}
+
+static int metadata_resource_demarshal_set_property(void *object,
+			const struct pw_protocol_native_message *msg)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_parser prs;
+	uint32_t subject;
+	char *key, *type, *value;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (metadata_demarshal_set_property(&prs, &subject, &key, &type, &value) < 0)
+		return -EINVAL;
+	return pw_resource_notify(resource, struct pw_metadata_methods, set_property, 0, subject, key, type, value);
+}
+
+static void metadata_marshal_clear(struct spa_pod_builder *b)
+{
+	spa_pod_builder_add_struct(b, SPA_POD_None());
+}
+
+static int metadata_proxy_marshal_clear(void *object)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_proxy(proxy, PW_METADATA_METHOD_CLEAR, NULL);
+	metadata_marshal_clear(b);
+	return pw_protocol_native_end_proxy(proxy, b);
+}
+static int metadata_resource_marshal_clear(void *object)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_resource(resource, PW_METADATA_METHOD_CLEAR, NULL);
+	metadata_marshal_clear(b);
+	return pw_protocol_native_end_resource(resource, b);
+}
+
+static int metadata_proxy_demarshal_clear(void *object, const struct pw_protocol_native_message *msg)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_parser prs;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (spa_pod_parser_get_struct(&prs, SPA_POD_None()) < 0)
+		return -EINVAL;
+	pw_proxy_notify(proxy, struct pw_metadata_methods, clear, 0);
+	return 0;
+}
+
+static int metadata_resource_demarshal_clear(void *object, const struct pw_protocol_native_message *msg)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_parser prs;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (spa_pod_parser_get_struct(&prs, SPA_POD_None()) < 0)
+		return -EINVAL;
+	pw_resource_notify(resource, struct pw_metadata_methods, clear, 0);
+	return 0;
+}
+
+static void metadata_marshal_property(struct spa_pod_builder *b, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	spa_pod_builder_add_struct(b,
+			SPA_POD_Int(subject),
+			SPA_POD_String(key),
+			SPA_POD_String(type),
+			SPA_POD_String(value));
+}
+
+static int metadata_proxy_marshal_property(void *object, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_proxy(proxy, PW_METADATA_EVENT_PROPERTY, NULL);
+	metadata_marshal_property(b, subject, key, type, value);
+	return pw_protocol_native_end_proxy(proxy, b);
+}
+
+static int metadata_resource_marshal_property(void *object, uint32_t subject,
+		const char *key, const char *type, const char *value)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_builder *b;
+	b = pw_protocol_native_begin_resource(resource, PW_METADATA_EVENT_PROPERTY, NULL);
+	metadata_marshal_property(b, subject, key, type, value);
+	return pw_protocol_native_end_resource(resource, b);
+}
+
+static int metadata_demarshal_property(struct spa_pod_parser *prs,
+		uint32_t *subject, char **key, char **type, char **value)
+{
+	return spa_pod_parser_get_struct(prs,
+			SPA_POD_Int(subject),
+			SPA_POD_String(key),
+			SPA_POD_String(type),
+			SPA_POD_String(value));
+}
+
+static int metadata_proxy_demarshal_property(void *object,
+		const struct pw_protocol_native_message *msg)
+{
+	struct pw_proxy *proxy = object;
+	struct spa_pod_parser prs;
+	uint32_t subject;
+	char *key, *type, *value;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (metadata_demarshal_property(&prs,
+				&subject, &key, &type, &value) < 0)
+		return -EINVAL;
+	pw_proxy_notify(proxy, struct pw_metadata_events, property, 0, subject, key, type, value);
+	return 0;
+}
+
+static int metadata_resource_demarshal_property(void *object,
+		const struct pw_protocol_native_message *msg)
+{
+	struct pw_resource *resource = object;
+	struct spa_pod_parser prs;
+	uint32_t subject;
+	char *key, *type, *value;
+
+	spa_pod_parser_init(&prs, msg->data, msg->size);
+	if (metadata_demarshal_property(&prs,
+				&subject, &key, &type, &value) < 0)
+		return -EINVAL;
+	pw_resource_notify(resource, struct pw_metadata_events, property, 0, subject, key, type, value);
+	return 0;
+}
+
+static const struct pw_metadata_methods pw_protocol_native_metadata_client_method_marshal = {
+	PW_VERSION_METADATA_METHODS,
+	.add_listener = &metadata_proxy_marshal_add_listener,
+	.set_property = &metadata_proxy_marshal_set_property,
+	.clear = &metadata_proxy_marshal_clear,
+};
+static const struct pw_metadata_methods pw_protocol_native_metadata_server_method_marshal = {
+	PW_VERSION_METADATA_METHODS,
+	.add_listener = &metadata_resource_marshal_add_listener,
+	.set_property = &metadata_resource_marshal_set_property,
+	.clear = &metadata_resource_marshal_clear,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_metadata_client_method_demarshal[PW_METADATA_METHOD_NUM] =
+{
+	[PW_METADATA_METHOD_ADD_LISTENER] = { &metadata_proxy_demarshal_add_listener, 0 },
+	[PW_METADATA_METHOD_SET_PROPERTY] = { &metadata_proxy_demarshal_set_property, PW_PERM_W },
+	[PW_METADATA_METHOD_CLEAR] = { &metadata_proxy_demarshal_clear, PW_PERM_W },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_metadata_server_method_demarshal[PW_METADATA_METHOD_NUM] =
+{
+	[PW_METADATA_METHOD_ADD_LISTENER] = { &metadata_resource_demarshal_add_listener, 0 },
+	[PW_METADATA_METHOD_SET_PROPERTY] = { &metadata_resource_demarshal_set_property, PW_PERM_W },
+	[PW_METADATA_METHOD_CLEAR] = { &metadata_resource_demarshal_clear, PW_PERM_W },
+};
+
+static const struct pw_metadata_events pw_protocol_native_metadata_client_event_marshal = {
+	PW_VERSION_METADATA_EVENTS,
+	.property = &metadata_proxy_marshal_property,
+};
+
+static const struct pw_metadata_events pw_protocol_native_metadata_server_event_marshal = {
+	PW_VERSION_METADATA_EVENTS,
+	.property = &metadata_resource_marshal_property,
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_metadata_client_event_demarshal[PW_METADATA_EVENT_NUM] =
+{
+	[PW_METADATA_EVENT_PROPERTY] = { &metadata_proxy_demarshal_property, 0 },
+};
+
+static const struct pw_protocol_native_demarshal
+pw_protocol_native_metadata_server_event_demarshal[PW_METADATA_EVENT_NUM] =
+{
+	[PW_METADATA_EVENT_PROPERTY] = { &metadata_resource_demarshal_property, 0 },
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_metadata_marshal = {
+	PW_TYPE_INTERFACE_Metadata,
+	PW_VERSION_METADATA,
+	0,
+	PW_METADATA_METHOD_NUM,
+	PW_METADATA_EVENT_NUM,
+	.client_marshal = &pw_protocol_native_metadata_client_method_marshal,
+	.server_demarshal = pw_protocol_native_metadata_server_method_demarshal,
+	.server_marshal = &pw_protocol_native_metadata_server_event_marshal,
+	.client_demarshal = pw_protocol_native_metadata_client_event_demarshal,
+};
+
+static const struct pw_protocol_marshal pw_protocol_native_metadata_impl_marshal = {
+	PW_TYPE_INTERFACE_Metadata,
+	PW_VERSION_METADATA,
+	PW_PROTOCOL_MARSHAL_FLAG_IMPL,
+	PW_METADATA_EVENT_NUM,
+	PW_METADATA_METHOD_NUM,
+	.client_marshal = &pw_protocol_native_metadata_client_event_marshal,
+	.server_demarshal = pw_protocol_native_metadata_server_event_demarshal,
+	.server_marshal = &pw_protocol_native_metadata_server_method_marshal,
+	.client_demarshal = pw_protocol_native_metadata_client_method_demarshal,
+};
+
+int pw_protocol_native_ext_metadata_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;
+
+	pw_protocol_add_marshal(protocol, &pw_protocol_native_metadata_marshal);
+	pw_protocol_add_marshal(protocol, &pw_protocol_native_metadata_impl_marshal);
+	return 0;
+}