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ffplay: use NAN to signal invalid external clock 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-02-22 18:18:00 +01:00
parent 26c208cf0f
commit daece4c674
1 changed files with 4 additions and 5 deletions
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9
ffplay.c
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@ -1156,7 +1156,8 @@ static void update_external_clock_pts(VideoState *is, double pts)
}
static void check_external_clock_sync(VideoState *is, double pts) {
if (fabs(get_external_clock(is) - pts) > AV_NOSYNC_THRESHOLD) {
double ext_clock = get_external_clock(is);
if (isnan(ext_clock) || fabs(ext_clock - pts) > AV_NOSYNC_THRESHOLD) {
update_external_clock_pts(is, pts);
}
}
@ -2717,8 +2718,7 @@ static int read_thread(void *arg)
packet_queue_put(&is->videoq, &flush_pkt);
}
if (is->seek_flags & AVSEEK_FLAG_BYTE) {
//FIXME: use a cleaner way to signal obsolete external clock...
update_external_clock_pts(is, (double)AV_NOPTS_VALUE);
update_external_clock_pts(is, NAN);
} else {
update_external_clock_pts(is, seek_target / (double)AV_TIME_BASE);
}
@ -2854,8 +2854,7 @@ static VideoState *stream_open(const char *filename, AVInputFormat *iformat)
is->continue_read_thread = SDL_CreateCond();
//FIXME: use a cleaner way to signal obsolete external clock...
update_external_clock_pts(is, (double)AV_NOPTS_VALUE);
update_external_clock_pts(is, NAN);
update_external_clock_speed(is, 1.0);
is->audio_current_pts_drift = -av_gettime() / 1000000.0;
is->video_current_pts_drift = is->audio_current_pts_drift;