mirror/openmw
1
0
Fork 0
mirror of https://github.com/OpenMW/openmw.git synced 2025-01-21 13:23:53 +00:00
Code Issues Releases Wiki Activity

Always try to resync if the clock difference is large

Browse source
This commit is contained in:
Chris Robinson 2012-12-14 07:40:19 -08:00
parent f97eaec7ab
commit 582efcdb9b
1 changed files with 24 additions and 38 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
apps/openmw/mwrender/videoplayer.cpp
View file

@ -11,7 +11,6 @@
#define MAX_AUDIOQ_SIZE (5 * 16 * 1024) #define MAX_AUDIOQ_SIZE (5 * 16 * 1024)
#define MAX_VIDEOQ_SIZE (5 * 256 * 1024) #define MAX_VIDEOQ_SIZE (5 * 256 * 1024)
#define AV_SYNC_THRESHOLD 0.01 #define AV_SYNC_THRESHOLD 0.01
#define AV_NOSYNC_THRESHOLD 10.0
#define SAMPLE_CORRECTION_PERCENT_MAX 10 #define SAMPLE_CORRECTION_PERCENT_MAX 10
#define AUDIO_DIFF_AVG_NB 20 #define AUDIO_DIFF_AVG_NB 20
@ -161,11 +160,8 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
if(is->av_sync_type == AV_SYNC_AUDIO_MASTER) if(is->av_sync_type == AV_SYNC_AUDIO_MASTER)
return samples_size; return samples_size;
double ref_clock = get_master_clock(is); // accumulate the clock difference
double diff = get_audio_clock(is) - ref_clock; double diff = get_audio_clock(is) - get_master_clock(is);
if(diff < AV_NOSYNC_THRESHOLD)
{
// accumulate the diffs
is->audio_diff_cum = diff + is->audio_diff_avg_coef * is->audio_diff_cum = diff + is->audio_diff_avg_coef *
is->audio_diff_cum; is->audio_diff_cum;
if(is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB) if(is->audio_diff_avg_count < AUDIO_DIFF_AVG_NB)
@ -185,13 +181,6 @@ class MovieAudioDecoder : public MWSound::Sound_Decoder
samples_size = wanted_size; samples_size = wanted_size;
} }
} }
}
else
{
/* difference is TOO big; reset diff stuff */
is->audio_diff_avg_count = 0;
is->audio_diff_cum = 0;
}
return samples_size; return samples_size;
} }
@ -499,16 +488,13 @@ void VideoState::video_refresh_timer()
diff = vp->pts - ref_clock; diff = vp->pts - ref_clock;
/* Skip or repeat the frame. Take delay into account /* Skip or repeat the frame. Take delay into account
FFPlay still doesn't "know if this is the best guess." */ * FFPlay still doesn't "know if this is the best guess." */
sync_threshold = (delay > AV_SYNC_THRESHOLD) ? delay : AV_SYNC_THRESHOLD; sync_threshold = std::max(delay, AV_SYNC_THRESHOLD);
if(fabs(diff) < AV_NOSYNC_THRESHOLD)
{
if(diff <= -sync_threshold) if(diff <= -sync_threshold)
delay = 0; delay = 0;
else if(diff >= sync_threshold) else if(diff >= sync_threshold)
delay = 2 * delay; delay = 2 * delay;
} }
}
this->frame_timer += delay; this->frame_timer += delay;
/* compute the REAL delay */ /* compute the REAL delay */