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Document media descriptor, media library, media service discover, vlm and message log functions.

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This commit is contained in:
Jean-Paul Saman 2008-08-08 14:29:16 +08:00
parent b7309d0b85
commit bddca17181
3 changed files with 196 additions and 6 deletions
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189
include/vlc/libvlc.h
View File

@ -262,15 +262,44 @@ VLC_PUBLIC_API void libvlc_media_add_option(
const char * ppsz_options,
libvlc_exception_t * p_e );
/**
* Retain a reference to a media descriptor object (libvlc_media_t). Use
* libvlc_media_release() to decrement the reference count of a
* media descriptor object.
*
* \param p_meta_desc a media descriptor object.
*/
VLC_PUBLIC_API void libvlc_media_retain(
libvlc_media_t *p_meta_desc );
/**
* Decrement the reference count of a media descriptor object. If the
* reference count is 0, then libvlc_media_release() will release the
* media descriptor object. It will send out an libvlc_MediaFreed event
* to all listeners. If the media descriptor object has been released it
* should not be used again.
*
* \param p_meta_desc a media descriptor object.
*/
VLC_PUBLIC_API void libvlc_media_release(
libvlc_media_t *p_meta_desc );
/**
* Get the media resource locator (mrl) from a media descriptor object
*
* \param p_md a media descriptor object
* \param p_e an initialized exception object
* \return string with mrl of media descriptor object
*/
VLC_PUBLIC_API char * libvlc_media_get_mrl( libvlc_media_t * p_md,
libvlc_exception_t * p_e );
/**
* Duplicate a media descriptor object.
*
* \param p_meta_desc a media descriptor object.
*/
VLC_PUBLIC_API libvlc_media_t * libvlc_media_duplicate( libvlc_media_t * );
/**
@ -285,31 +314,90 @@ VLC_PUBLIC_API char * libvlc_media_get_meta(
libvlc_media_t *p_meta_desc,
libvlc_meta_t e_meta,
libvlc_exception_t *p_e );
/**
* Get current state of media descriptor object. Possible media states
* are defined in libvlc_structures.c ( libvlc_NothingSpecial=0,
* libvlc_Opening, libvlc_Buffering, libvlc_Playing, libvlc_Paused,
* libvlc_Stopped, libvlc_Forward, libvlc_Backward, libvlc_Ended,
* libvlc_Error).
*
* @see libvlc_state_t
* \param p_meta_desc a media descriptor object
* \param p_e an initialized exception object
* \return state of media descriptor object
*/
VLC_PUBLIC_API libvlc_state_t libvlc_media_get_state(
libvlc_media_t *p_meta_desc,
libvlc_exception_t *p_e );
/**
* Get subitems of media descriptor object. This will increment
* the reference count of supplied media descriptor object. Use
* libvlc_media_list_release() to decrement the reference counting.
*
* \param p_md media descriptor object
* \param p_e initalized exception object
* \return list of media descriptor subitems or NULL
*/
VLC_PUBLIC_API libvlc_media_list_t *
libvlc_media_subitems( libvlc_media_t *p_md,
libvlc_exception_t *p_e );
/**
* Get event manager from media descriptor object.
* NOTE: this function doesn't increment reference counting.
*
* \param p_md a media descriptor object
* \param p_e an initialized exception object
* \return event manager object
*/
VLC_PUBLIC_API libvlc_event_manager_t *
libvlc_media_event_manager( libvlc_media_t * p_md,
libvlc_exception_t * p_e );
/**
* Get duration of media descriptor object item.
*
* \param p_md media descriptor object
* \param p_e an initialized exception object
* \return duration of media item
*/
VLC_PUBLIC_API libvlc_time_t
libvlc_media_get_duration( libvlc_media_t * p_md,
libvlc_exception_t * p_e );
/**
* Get preparsed status for media descriptor object.
*
* \param p_md media descriptor object
* \param p_e an initialized exception object
* \return true if media object has been preparsed otherwise it returns false
*/
VLC_PUBLIC_API int
libvlc_media_is_preparsed( libvlc_media_t * p_md,
libvlc_exception_t * p_e );
/**
* Sets media descriptor's user_data. user_data is specialized data
* accessed by the host application, VLC.framework uses it as a pointer to
* an native object that references a libvlc_media_t pointer
*
* \param p_md media descriptor object
* \param p_new_user_data pointer to user data
* \param p_e an initialized exception object
*/
VLC_PUBLIC_API void
libvlc_media_set_user_data( libvlc_media_t * p_md,
void * p_new_user_data,
libvlc_exception_t * p_e);
/**
* Get media descriptor's user_data. user_data is specialized data
* accessed by the host application, VLC.framework uses it as a pointer to
* an native object that references a libvlc_media_t pointer
*
* \param p_md media descriptor object
* \param p_e an initialized exception object
*/
VLC_PUBLIC_API void *
libvlc_media_get_user_data( libvlc_media_t * p_md,
libvlc_exception_t * p_e);
@ -346,13 +434,25 @@ VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new_from_media( libvl
/**
* Release a media_player after use
* Decrement the reference count of a media player object. If the
* reference count is 0, then libvlc_media_player_release() will
* release the media player object. If the media player object
* has been released, then it should not be used again.
*
* \param p_mi the Media Player to free
*/
VLC_PUBLIC_API void libvlc_media_player_release( libvlc_media_player_t * );
/**
* Retain a reference to a media player object. Use
* libvlc_media_player_release() to decrement reference count.
*
* \param p_mi media player object
*/
VLC_PUBLIC_API void libvlc_media_player_retain( libvlc_media_player_t * );
/** Set the media that will be used by the media_player. If any,
/**
* Set the media that will be used by the media_player. If any,
* previous md will be released.
*
* \param p_mi the Media Player
@ -440,6 +540,7 @@ VLC_PUBLIC_API float libvlc_media_player_get_rate ( libvlc_media_
VLC_PUBLIC_API void libvlc_media_player_set_rate ( libvlc_media_player_t *, float, libvlc_exception_t *);
VLC_PUBLIC_API libvlc_state_t libvlc_media_player_get_state ( libvlc_media_player_t *, libvlc_exception_t *);
VLC_PUBLIC_API float libvlc_media_player_get_fps( libvlc_media_player_t *, libvlc_exception_t *);
/** end bug */
/**
* Does this media player have a video output?
@ -837,20 +938,54 @@ VLC_PUBLIC_API const char * libvlc_event_type_name( libvlc_event_type_t event_ty
VLC_PUBLIC_API libvlc_media_library_t *
libvlc_media_library_new( libvlc_instance_t * p_inst,
libvlc_exception_t * p_e );
/**
* Release media library object. This functions decrements the
* reference count of the media library object. If it reaches 0,
* then the object will be released.
*
* \param p_mlib media library object
*/
VLC_PUBLIC_API void
libvlc_media_library_release( libvlc_media_library_t * p_mlib );
/**
* Retain a reference to a media library object. This function will
* increment the reference counting for this object. Use
* libvlc_media_library_release() to decrement the reference count.
*
* \param p_mlib media library object
*/
VLC_PUBLIC_API void
libvlc_media_library_retain( libvlc_media_library_t * p_mlib );
/**
* Load media library.
*
* \param p_mlib media library object
* \param p_e an initialized exception object.
*/
VLC_PUBLIC_API void
libvlc_media_library_load( libvlc_media_library_t * p_mlib,
libvlc_exception_t * p_e );
/**
* Save media library.
*
* \param p_mlib media library object
* \param p_e an initialized exception object.
*/
VLC_PUBLIC_API void
libvlc_media_library_save( libvlc_media_library_t * p_mlib,
libvlc_exception_t * p_e );
/**
* Get media library subitems.
*
* \param p_mlib media library object
* \param p_e an initialized exception object.
* \return media list subitems
*/
VLC_PUBLIC_API libvlc_media_list_t *
libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
libvlc_exception_t * p_e );
@ -868,18 +1003,58 @@ VLC_PUBLIC_API libvlc_media_list_t *
* @{
*/
/**
* Discover media service by name.
*
* \param p_inst libvlc instance
* \param psz_name service name
* \param p_e an initialized exception object
* \return media discover object
*/
VLC_PUBLIC_API libvlc_media_discoverer_t *
libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst,
const char * psz_name,
libvlc_exception_t * p_e );
/**
* Release media discover object. If the reference count reaches 0, then
* the object will be released.
*
* \param p_mdis media service discover object
*/
VLC_PUBLIC_API void libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis );
/**
* Get media service discover object its localized name.
*
* \param media discover object
* \return localized name
*/
VLC_PUBLIC_API char * libvlc_media_discoverer_localized_name( libvlc_media_discoverer_t * p_mdis );
/**
* Get media service discover media list.
*
* \param p_mdis media service discover object
* \return list of media items
*/
VLC_PUBLIC_API libvlc_media_list_t * libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis );
/**
* Get event manager from media service discover object.
*
* \param p_mdis media service discover object
* \return event manager object.
*/
VLC_PUBLIC_API libvlc_event_manager_t *
libvlc_media_discoverer_event_manager( libvlc_media_discoverer_t * p_mdis );
/**
* Query if media service discover object is running.
*
* \param p_mdis media service discover object
* \return true if running, false if not
*/
VLC_PUBLIC_API int
libvlc_media_discoverer_is_running( libvlc_media_discoverer_t * p_mdis );
@ -901,6 +1076,7 @@ VLC_PUBLIC_API int
*
* \param p_instance libvlc instance
* \param p_e an initialized exception pointer
* \return verbosity level for messages
*/
VLC_PUBLIC_API unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance,
libvlc_exception_t *p_e );
@ -920,6 +1096,7 @@ VLC_PUBLIC_API void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, uns
*
* \param p_instance libvlc instance
* \param p_e an initialized exception pointer
* \return log message instance
*/
VLC_PUBLIC_API libvlc_log_t *libvlc_log_open( libvlc_instance_t *, libvlc_exception_t *);
@ -936,6 +1113,7 @@ VLC_PUBLIC_API void libvlc_log_close( libvlc_log_t *, libvlc_exception_t *);
*
* \param p_log libvlc log instance
* \param p_e an initialized exception pointer
* \return number of log messages
*/
VLC_PUBLIC_API unsigned libvlc_log_count( const libvlc_log_t *, libvlc_exception_t *);
@ -955,6 +1133,7 @@ VLC_PUBLIC_API void libvlc_log_clear( libvlc_log_t *, libvlc_exception_t *);
*
* \param p_log libvlc log instance
* \param p_e an initialized exception pointer
* \return log iterator object
*/
VLC_PUBLIC_API libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *, libvlc_exception_t *);
@ -971,6 +1150,7 @@ VLC_PUBLIC_API void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter, lib
*
* \param p_iter libvlc log iterator
* \param p_e an initialized exception pointer
* \return true if iterator has more message objects, else false
*/
VLC_PUBLIC_API int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
@ -982,6 +1162,7 @@ VLC_PUBLIC_API int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_
* \param p_iter libvlc log iterator
* \param p_buffer log buffer
* \param p_e an initialized exception pointer
* \return log message object
*/
VLC_PUBLIC_API libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter,
libvlc_log_message_t *p_buffer,

11
include/vlc/libvlc_vlm.h
View File

@ -214,9 +214,18 @@ VLC_PUBLIC_API void libvlc_vlm_seek_media( libvlc_instance_t *, char *,
* \param p_instance the instance
* \param psz_name the name of the broadcast
* \param p_e an initialized exception pointer
* \return string with information about named media
*/
VLC_PUBLIC_API char* libvlc_vlm_show_media( libvlc_instance_t *, char *, libvlc_exception_t * );
/**
* Get information about media attribute from vlm.
*
* \param libvlc instance
* \param type of information
* \param default value
* \return value of media attribute
*/
#define LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( attr, returnType, getType, default)\
returnType libvlc_vlm_get_media_instance_## attr( libvlc_instance_t *, \
char *, int , libvlc_exception_t * );
@ -237,4 +246,4 @@ VLC_PUBLIC_API LIBVLC_VLM_GET_MEDIA_ATTRIBUTE( seekable, int, Bool, 0);
}
# endif
#endif /* <vlc/libvlc.h> */
#endif /* <vlc/libvlc_vlm.h> */

2
src/control/media.c
View File

@ -404,7 +404,7 @@ libvlc_media_duplicate( libvlc_media_t *p_md_orig )
}
/**************************************************************************
* Retain a media descriptor object
* Get mrl from a media descriptor object
**************************************************************************/
char *
libvlc_media_get_mrl( libvlc_media_t * p_md,