impl-metadata.h

Go to the documentation of this file.

/* PipeWire */
/* SPDX-FileCopyrightText: Copyright © 2021 Wim Taymans */
/* SPDX-License-Identifier: MIT */
 
#ifndef PIPEWIRE_IMPL_METADATA_H
#define PIPEWIRE_IMPL_METADATA_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
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"
 
struct pw_impl_metadata_events {
#define PW_VERSION_IMPL_METADATA_EVENTS 0
        uint32_t version;
 
        void (*destroy) (void *data);
        void (*free) (void *data);
 
        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);
 
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);
 
struct pw_global *pw_impl_metadata_get_global(struct pw_impl_metadata *metadata);
 
void pw_impl_metadata_add_listener(struct pw_impl_metadata *metadata,
                             struct spa_hook *listener,
                             const struct pw_impl_metadata_events *events,
                             void *data);
 
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 */