1 files changed, 114 insertions, 0 deletions
diff --git a/third_party/pipewire/pipewire/impl-metadata.h b/third_party/pipewire/pipewire/impl-metadata.h
new file mode 100644
index 0000000000..4b81cac293
--- /dev/null
+++ b/third_party/pipewire/pipewire/impl-metadata.h
@@ -0,0 +1,114 @@
+/* PipeWire
+ *
+ * Copyright © 2021 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.
+ */
+
+#ifndef PIPEWIRE_IMPL_METADATA_H
+#define PIPEWIRE_IMPL_METADATA_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup pw_impl_metadata Metadata Impl
+ *
+ * The metadata is used to store key/type/value pairs per object id.
+ */
+
+/**
+ * \addtogroup pw_impl_metadata
+ * \{
+ */
+struct pw_impl_metadata;
+
+#include <pipewire/context.h>
+#include <pipewire/impl-client.h>
+#include <pipewire/global.h>
+#include <pipewire/properties.h>
+#include <pipewire/resource.h>
+
+#include "pipewire/extensions/metadata.h"
+
+/** Metadata events, listen to them with \ref pw_impl_metadata_add_listener */
+struct pw_impl_metadata_events {
+#define PW_VERSION_IMPL_METADATA_EVENTS	0
+	uint32_t version;
+
+	/** the metadata is destroyed */
+        void (*destroy) (void *data);
+	/** the metadata is freed */
+        void (*free) (void *data);
+
+	/** a property changed */
+	int (*property) (void *data,
+			uint32_t subject,
+			const char *key,
+			const char *type,
+			const char *value);
+};
+
+struct pw_impl_metadata *pw_context_create_metadata(struct pw_context *context,
+		const char *name, struct pw_properties *properties,
+		size_t user_data_size);
+
+/** Get the metadata properties */
+const struct pw_properties *pw_impl_metadata_get_properties(struct pw_impl_metadata *metadata);
+
+int pw_impl_metadata_register(struct pw_impl_metadata *metadata,
+			struct pw_properties *properties);
+
+void pw_impl_metadata_destroy(struct pw_impl_metadata *metadata);
+
+void *pw_impl_metadata_get_user_data(struct pw_impl_metadata *metadata);
+
+int pw_impl_metadata_set_implementation(struct pw_impl_metadata *metadata,
+		struct pw_metadata *impl);
+
+struct pw_metadata *pw_impl_metadata_get_implementation(struct pw_impl_metadata *metadata);
+
+/** Get the global of this metadata */
+struct pw_global *pw_impl_metadata_get_global(struct pw_impl_metadata *metadata);
+
+/** Add an event listener */
+void pw_impl_metadata_add_listener(struct pw_impl_metadata *metadata,
+			     struct spa_hook *listener,
+			     const struct pw_impl_metadata_events *events,
+			     void *data);
+
+/** Set a property */
+int pw_impl_metadata_set_property(struct pw_impl_metadata *metadata,
+			uint32_t subject, const char *key, const char *type,
+			const char *value);
+
+int pw_impl_metadata_set_propertyf(struct pw_impl_metadata *metadata,
+			uint32_t subject, const char *key, const char *type,
+			const char *fmt, ...) SPA_PRINTF_FUNC(5,6);
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPEWIRE_IMPL_METADATA_H */