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Code Issues Releases Activity

ffplay: use AV_NOPTS_VALUE video frame pts instead of using 0

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Assuming 0 pts may lead to bad framedrop decisions...

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-04-15 22:12:18 +02:00
parent 40693ba3ac
commit d148339d19
1 changed files with 11 additions and 11 deletions
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22
ffplay.c
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@ -1361,7 +1361,7 @@ retry:
/* compute nominal last_duration */
last_duration = vp->pts - is->frame_last_pts;
if (last_duration > 0 && last_duration < is->max_frame_duration) {
if (!isnan(last_duration) && last_duration > 0 && last_duration < is->max_frame_duration) {
/* if duration of the last frame was sane, update last_duration in video state */
is->frame_last_duration = last_duration;
}
@ -1377,7 +1377,8 @@ retry:
is->frame_timer += delay * FFMAX(1, floor((time-is->frame_timer) / delay));
SDL_LockMutex(is->pictq_mutex);
update_video_pts(is, vp->pts, vp->pos, vp->serial);
if (!isnan(vp->pts))
update_video_pts(is, vp->pts, vp->pos, vp->serial);
SDL_UnlockMutex(is->pictq_mutex);
if (is->pictq_size > 1) {
@ -1671,6 +1672,7 @@ static int get_video_frame(VideoState *is, AVFrame *frame, AVPacket *pkt, int *s
if (got_picture) {
int ret = 1;
double dpts = NAN;
if (decoder_reorder_pts == -1) {
frame->pts = av_frame_get_best_effort_timestamp(frame);
@ -1680,21 +1682,19 @@ static int get_video_frame(VideoState *is, AVFrame *frame, AVPacket *pkt, int *s
frame->pts = frame->pkt_dts;
}
if (frame->pts == AV_NOPTS_VALUE) {
frame->pts = 0;
}
if (frame->pts != AV_NOPTS_VALUE)
dpts = av_q2d(is->video_st->time_base) * frame->pts;
frame->sample_aspect_ratio = av_guess_sample_aspect_ratio(is->ic, is->video_st, frame);
if (framedrop>0 || (framedrop && get_master_sync_type(is) != AV_SYNC_VIDEO_MASTER)) {
SDL_LockMutex(is->pictq_mutex);
if (is->frame_last_pts != AV_NOPTS_VALUE && frame->pts) {
if (is->frame_last_pts != AV_NOPTS_VALUE && frame->pts != AV_NOPTS_VALUE) {
double clockdiff = get_video_clock(is) - get_master_clock(is);
double dpts = av_q2d(is->video_st->time_base) * frame->pts;
double ptsdiff = dpts - is->frame_last_pts;
if (!isnan(clockdiff) && fabs(clockdiff) < AV_NOSYNC_THRESHOLD &&
ptsdiff > 0 && ptsdiff < AV_NOSYNC_THRESHOLD &&
clockdiff + ptsdiff - is->frame_last_filter_delay < 0) {
!isnan(ptsdiff) && ptsdiff > 0 && ptsdiff < AV_NOSYNC_THRESHOLD &&
clockdiff + ptsdiff - is->frame_last_filter_delay < 0) {
is->frame_last_dropped_pos = pkt->pos;
is->frame_last_dropped_pts = dpts;
is->frame_last_dropped_serial = *serial;
@ -1955,12 +1955,12 @@ static int video_thread(void *arg)
if (fabs(is->frame_last_filter_delay) > AV_NOSYNC_THRESHOLD / 10.0)
is->frame_last_filter_delay = 0;
pts = frame->pts * av_q2d(filt_out->inputs[0]->time_base);
pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(filt_out->inputs[0]->time_base);
ret = queue_picture(is, frame, pts, av_frame_get_pkt_pos(frame), serial);
av_frame_unref(frame);
}
#else
pts = frame->pts * av_q2d(is->video_st->time_base);
pts = (frame->pts == AV_NOPTS_VALUE) ? NAN : frame->pts * av_q2d(is->video_st->time_base);
ret = queue_picture(is, frame, pts, pkt.pos, serial);
av_frame_unref(frame);
#endif