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libvlc: add a function get the statistics about the current media (also add a structure to expose this values).

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All statistics are not exported, only the most used are exported.
This commit is contained in:
Rémi Duraffort 2009-11-20 12:17:13 +01:00
parent d452d256a2
commit 41b54a0abc
3 changed files with 84 additions and 0 deletions
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48
include/vlc/libvlc_media.h
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@ -99,6 +99,44 @@ typedef enum libvlc_media_option_t
libvlc_media_option_unique = 0x100
} libvlc_media_option_t;
/** defgroup libvlc_media_stats_t libvlc_media_stats_t
* \ingroup libvlc_media
* LibVLC Media statistics
* @{
*/
typedef struct libvlc_media_stats_t
{
/* Input */
int i_read_bytes;
float f_input_bitrate;
/* Demux */
int i_demux_read_bytes;
float f_demux_bitrate;
int i_demux_corrupted;
int i_demux_discontinuity;
/* Decoders */
int i_decoded_video;
int i_decoded_audio;
/* Video Output */
int i_displayed_pictures;
int i_lost_pictures;
/* Audio output */
int i_played_abuffers;
int i_lost_abuffers;
/* Stream output */
int i_sent_packets;
int i_sent_bytes;
float f_send_bitrate;
} libvlc_media_stats_t;
/** @}*/
/**
* Create a media with the given MRL.
*
@ -224,6 +262,16 @@ VLC_PUBLIC_API libvlc_state_t libvlc_media_get_state(
libvlc_media_t *p_meta_desc );
/**
* get the current statistics about the media
* @param p_md: media descriptor object
* @param p_stats: structure that contain the statistics about the media
* (this structure must be allocated by the caller)
* @return true if the statistics are available, false otherwise
*/
VLC_PUBLIC_API int libvlc_media_get_stats( libvlc_media_t *p_md,
libvlc_media_stats_t *p_stats );
/**
* Get subitems of media descriptor object. This will increment
* the reference count of supplied media descriptor object. Use

35
src/control/media.c
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@ -513,6 +513,41 @@ libvlc_media_subitems( libvlc_media_t * p_md )
return p_md->p_subitems;
}
/**************************************************************************
* Setter for state information (LibVLC Internal)
**************************************************************************/
int libvlc_media_get_stats( libvlc_media_t *p_md,
libvlc_media_stats_t *p_stats )
{
if( !p_md->p_input_item )
return false;
input_stats_t *p_itm_stats = p_md->p_input_item->p_stats;
vlc_mutex_lock( &p_itm_stats->lock );
p_stats->i_read_bytes = p_itm_stats->i_read_bytes;
p_stats->f_input_bitrate = p_itm_stats->f_input_bitrate;
p_stats->i_demux_read_bytes = p_itm_stats->i_demux_read_bytes;
p_stats->f_demux_bitrate = p_itm_stats->f_demux_bitrate;
p_stats->i_demux_corrupted = p_itm_stats->i_demux_corrupted;
p_stats->i_demux_discontinuity = p_itm_stats->i_demux_discontinuity;
p_stats->i_decoded_video = p_itm_stats->i_decoded_video;
p_stats->i_decoded_audio = p_itm_stats->i_decoded_audio;
p_stats->i_displayed_pictures = p_itm_stats->i_displayed_pictures;
p_stats->i_lost_pictures = p_itm_stats->i_lost_pictures;
p_stats->i_played_abuffers = p_itm_stats->i_played_abuffers;
p_stats->i_lost_abuffers = p_itm_stats->i_lost_abuffers;
p_stats->i_sent_packets = p_itm_stats->i_sent_packets;
p_stats->i_sent_bytes = p_itm_stats->i_sent_bytes;
p_stats->f_send_bitrate = p_itm_stats->f_send_bitrate;
vlc_mutex_unlock( &p_itm_stats->lock );
return true;
}
/**************************************************************************
* event_manager
**************************************************************************/

1
src/libvlc.sym
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@ -64,6 +64,7 @@ libvlc_media_get_duration
libvlc_media_get_meta
libvlc_media_get_mrl
libvlc_media_get_state
libvlc_media_get_stats
libvlc_media_get_user_data
libvlc_media_is_preparsed
libvlc_media_library_load