PipeWire  0.3.45
impl-metadata.h
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24 
25 #ifndef PIPEWIRE_IMPL_METADATA_H
26 #define PIPEWIRE_IMPL_METADATA_H
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
41 struct pw_impl_metadata;
42 
43 #include <pipewire/context.h>
44 #include <pipewire/impl-client.h>
46 #include <pipewire/properties.h>
47 #include <pipewire/resource.h>
48 
50 
53 #define PW_VERSION_IMPL_METADATA_EVENTS 0
54  uint32_t version;
55 
57  void (*destroy) (void *data);
59  void (*free) (void *data);
60 
62  int (*property) (void *data,
63  uint32_t subject,
64  const char *key,
65  const char *type,
66  const char *value);
67 };
68 
70  const char *name, struct pw_properties *properties,
71  size_t user_data_size);
72 
74 const struct pw_properties *pw_impl_metadata_get_properties(struct pw_impl_metadata *metadata);
75 
76 int pw_impl_metadata_register(struct pw_impl_metadata *metadata,
77  struct pw_properties *properties);
78 
79 void pw_impl_metadata_destroy(struct pw_impl_metadata *metadata);
80 
81 void *pw_impl_metadata_get_user_data(struct pw_impl_metadata *metadata);
82 
84  struct pw_metadata *impl);
85 
87 
90 
93  struct spa_hook *listener,
94  const struct pw_impl_metadata_events *events,
95  void *data);
96 
99  uint32_t subject, const char *key, const char *type,
100  const char *value);
101 
103  uint32_t subject, const char *key, const char *type,
104  const char *fmt, ...) SPA_PRINTF_FUNC(5,6);
105 
110 #ifdef __cplusplus
111 }
112 #endif
113 
114 #endif /* PIPEWIRE_IMPL_METADATA_H */
pipewire/context.h
pipewire/global.h
int pw_impl_metadata_set_propertyf(struct pw_impl_metadata *metadata, uint32_t subject, const char *key, const char *type, const char *fmt,...) 1(5
void * pw_impl_metadata_get_user_data(struct pw_impl_metadata *metadata)
Definition: impl-metadata.c:566
int pw_impl_metadata_register(struct pw_impl_metadata *metadata, struct pw_properties *properties)
Definition: impl-metadata.c:523
int pw_impl_metadata_set_implementation(struct pw_impl_metadata *metadata, struct pw_metadata *impl)
Definition: impl-metadata.c:335
struct pw_global * pw_impl_metadata_get_global(struct pw_impl_metadata *metadata)
Get the global of this metadata.
Definition: impl-metadata.c:572
const struct pw_properties * pw_impl_metadata_get_properties(struct pw_impl_metadata *metadata)
Get the metadata properties.
Definition: impl-metadata.c:329
void pw_impl_metadata_add_listener(struct pw_impl_metadata *metadata, struct spa_hook *listener, const struct pw_impl_metadata_events *events, void *data)
Add an event listener.
Definition: impl-metadata.c:578
struct pw_impl_metadata * pw_context_create_metadata(struct pw_context *context, const char *name, struct pw_properties *properties, size_t user_data_size)
Definition: impl-metadata.c:285
int pw_impl_metadata_set_property(struct pw_impl_metadata *metadata, uint32_t subject, const char *key, const char *type, const char *value)
Set a property.
Definition: impl-metadata.c:587
struct pw_metadata * pw_impl_metadata_get_implementation(struct pw_impl_metadata *metadata)
Definition: impl-metadata.c:355
void pw_impl_metadata_destroy(struct pw_impl_metadata *metadata)
Definition: impl-metadata.c:361
#define SPA_PRINTF_FUNC(fmt, arg1)
Definition: defs.h:260
pipewire/impl-client.h
pipewire/extensions/metadata.h
pipewire/properties.h
pipewire/resource.h
Definition: context.h:67
Metadata events, listen to them with pw_impl_metadata_add_listener.
Definition: impl-metadata.h:57
void(* destroy)(void *data)
the metadata is destroyed
Definition: impl-metadata.h:63
int(* property)(void *data, uint32_t subject, const char *key, const char *type, const char *value)
a property changed
Definition: impl-metadata.h:68
void(* free)(void *data)
the metadata is freed
Definition: impl-metadata.h:65
uint32_t version
Definition: impl-metadata.h:60
Definition: properties.h:53
A hook, contains the structure with functions and the data passed to the functions.
Definition: hook.h:342