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libvlc: libvlc_media_get_es->libvlc_media_get_tracks_info.

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This commit is contained in:
Pierre d'Herbemont 2010-02-22 17:51:35 +01:00
parent ad91605615
commit 8211292f1c
4 changed files with 41 additions and 28 deletions
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45
include/vlc/libvlc_media.h
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@ -100,13 +100,13 @@ enum
libvlc_media_option_unique = 0x100
};
typedef enum libvlc_es_type_t
typedef enum libvlc_track_type_t
{
libvlc_es_unknown = -1,
libvlc_es_audio = 0,
libvlc_es_video = 1,
libvlc_es_text = 2,
} libvlc_es_type_t;
libvlc_track_unknown = -1,
libvlc_track_audio = 0,
libvlc_track_video = 1,
libvlc_track_text = 2,
} libvlc_track_type_t;
/** defgroup libvlc_media_stats_t LibVLC media statistics
* \ingroup libvlc_media
@ -143,12 +143,12 @@ typedef struct libvlc_media_stats_t
} libvlc_media_stats_t;
/** @}*/
typedef struct libvlc_media_es_t
typedef struct libvlc_media_track_info_t
{
/* Codec fourcc */
uint32_t i_codec;
int i_id;
libvlc_es_type_t i_type;
libvlc_track_type_t i_type;
/* Codec specific */
int i_profile;
@ -162,7 +162,7 @@ typedef struct libvlc_media_es_t
unsigned i_height;
unsigned i_width;
} libvlc_media_es_t;
} libvlc_media_track_info_t;
/**
@ -385,7 +385,7 @@ VLC_PUBLIC_API libvlc_time_t
*
* \see libvlc_media_parse_async
* \see libvlc_media_get_meta
* \see libvlc_media_get_es
* \see libvlc_media_get_tracks_info
*
* \param media media descriptor object
*/
@ -405,7 +405,7 @@ libvlc_media_parse(libvlc_media_t *media);
* \see libvlc_media_parse
* \see libvlc_MediaPreparsedChanged
* \see libvlc_media_get_meta
* \see libvlc_media_get_es
* \see libvlc_media_get_tracks_info
*
* \param media media descriptor object
*/
@ -448,15 +448,28 @@ VLC_PUBLIC_API void *
*
* Note, you need to play the media _one_ time with --sout="#description"
* Not doing this will result in an empty array, and doing it more than once
* will duplicate the entries in the array each time.
* will duplicate the entries in the array each time. Something like this:
*
* \param p_md media descriptor object
* \param pp_es address to store an allocated array of Elementary Streams descriptions (must be freed by the caller)
* @begincode
* libvlc_media_player_t *player = libvlc_media_player_new_from_media(media);
* libvlc_media_add_option_flag(media, "sout=\"#description\"");
* libvlc_media_player_play(player);
* // ... wait until playing
* libvlc_media_player_release(player);
* @endcode
*
* This is very likely to change in next release, and be done at the parsing
* phase.
*
* \param media media descriptor object
* \param tracks address to store an allocated array of Elementary Streams
* descriptions (must be freed by the caller)
*
* return the number of Elementary Streams
*/
VLC_PUBLIC_API int
libvlc_media_get_es( libvlc_media_t * p_md, libvlc_media_es_t ** pp_es );
VLC_PUBLIC_API
int libvlc_media_get_tracks_info(libvlc_media_t *media,
libvlc_media_track_info_t **tracks );
/** @}*/

14
src/control/media.c
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@ -682,7 +682,7 @@ libvlc_media_get_user_data( libvlc_media_t * p_md )
* Get media descriptor's elementary streams description
**************************************************************************/
int
libvlc_media_get_es( libvlc_media_t *p_md, libvlc_media_es_t ** pp_es )
libvlc_media_get_tracks_info( libvlc_media_t *p_md, libvlc_media_track_info_t ** pp_es )
{
assert( p_md );
@ -690,7 +690,7 @@ libvlc_media_get_es( libvlc_media_t *p_md, libvlc_media_es_t ** pp_es )
vlc_mutex_lock( &p_input_item->lock );
const int i_es = p_input_item->i_es;
*pp_es = (i_es > 0) ? malloc( i_es * sizeof(libvlc_media_es_t) ) : NULL;
*pp_es = (i_es > 0) ? malloc( i_es * sizeof(libvlc_media_track_info_t) ) : NULL;
if( !pp_es ) /* no ES, or OOM */
{
@ -701,7 +701,7 @@ libvlc_media_get_es( libvlc_media_t *p_md, libvlc_media_es_t ** pp_es )
/* Fill array */
for( int i = 0; i < i_es; i++ )
{
libvlc_media_es_t *p_mes = *pp_es+i;
libvlc_media_track_info_t *p_mes = *pp_es+i;
const es_format_t *p_es = p_input_item->es[i];
p_mes->i_channels = p_mes->i_rate = 0;
@ -718,20 +718,20 @@ libvlc_media_get_es( libvlc_media_t *p_md, libvlc_media_es_t ** pp_es )
{
case UNKNOWN_ES:
default:
p_mes->i_type = libvlc_es_unknown;
p_mes->i_type = libvlc_track_unknown;
break;
case VIDEO_ES:
p_mes->i_type = libvlc_es_video;
p_mes->i_type = libvlc_track_video;
p_mes->i_height = p_es->video.i_height;
p_mes->i_width = p_es->video.i_width;
break;
case AUDIO_ES:
p_mes->i_type = libvlc_es_audio;
p_mes->i_type = libvlc_track_audio;
p_mes->i_channels = p_es->audio.i_channels;
p_mes->i_rate = p_es->audio.i_rate;
break;
case SPU_ES:
p_mes->i_type = libvlc_es_text;
p_mes->i_type = libvlc_track_text;
break;
}
}

2
src/libvlc.sym
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@ -55,12 +55,12 @@ libvlc_media_discoverer_release
libvlc_media_duplicate
libvlc_media_event_manager
libvlc_media_get_duration
libvlc_media_get_es
libvlc_media_get_meta
libvlc_media_get_mrl
libvlc_media_get_state
libvlc_media_get_stats
libvlc_media_get_user_data
libvlc_media_get_tracks_info
libvlc_media_is_preparsed
libvlc_media_library_load
libvlc_media_library_media_list

8
test/libvlc/media.c
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@ -47,7 +47,7 @@ static void test_media_preparsed(const char** argv, int argc)
// Check to see if we are properly receiving the event.
libvlc_event_manager_t *em = libvlc_media_event_manager (media);
libvlc_event_attach (em, libvlc_MediaPreparsedChanged, preparsed_changed, &received);
libvlc_event_attach (em, libvlc_MediaPreparsedChanged, preparsed_changed, (void*)&received);
// Parse the media. This is synchronous.
libvlc_media_parse(media);
@ -56,10 +56,10 @@ static void test_media_preparsed(const char** argv, int argc)
while (!received);
// We are good, now check Elementary Stream info.
libvlc_media_es_t *es;
int num = libvlc_media_get_es(media, &es);
libvlc_media_track_info_t *tracks;
int num = libvlc_media_get_es(media, &tracks);
assert(num > 0);
free(es);
free(tracks);
libvlc_media_release (media);
libvlc_release (vlc);