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Use video stream frame rate for A/V sync.

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Use the video stream frame rate and not the fixed 50Hz for A/V sync.
This commit is contained in:
Johns 2015-02-06 09:50:54 +01:00
parent 9f134c1b6d
commit 4f4d304479
1 changed files with 19 additions and 5 deletions
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24
video.c
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@ -446,13 +446,27 @@ static void VideoThreadExit(void); ///< exit/kill video thread
///
/// @note frame->interlaced_frame can't be used for interlace detection
///
static void VideoSetPts(int64_t * pts_p, int interlaced, const AVFrame * frame)
static void VideoSetPts(int64_t * pts_p, int interlaced,
const AVCodecContext * video_ctx, const AVFrame * frame)
{
int64_t pts;
int duration;
//
// Get duration for this frame.
// FIXME: using framerate as workaround for av_frame_get_pkt_duration
//
if (video_ctx->framerate.num != 0 && video_ctx->framerate.den != 0) {
duration = 1000 * video_ctx->framerate.den / video_ctx->framerate.num;
} else {
duration = interlaced ? 40 : 20; // 50Hz -> 20ms default
}
Debug(4, "video: %d/%d %" PRIx64 " -> %d\n", video_ctx->framerate.den,
video_ctx->framerate.num, av_frame_get_pkt_duration(frame), duration);
// update video clock
if (*pts_p != (int64_t) AV_NOPTS_VALUE) {
*pts_p += interlaced ? 40 * 90 : 20 * 90;
*pts_p += duration * 90;
//Info("video: %s +pts\n", Timestamp2String(*pts_p));
}
//av_opt_ptr(avcodec_get_frame_class(), frame, "best_effort_timestamp");
@ -5257,7 +5271,7 @@ static void VaapiSyncRenderFrame(VaapiDecoder * decoder,
}
if (!decoder->Closing) {
VideoSetPts(&decoder->PTS, decoder->Interlaced, frame);
VideoSetPts(&decoder->PTS, decoder->Interlaced, video_ctx, frame);
}
VaapiRenderFrame(decoder, video_ctx, frame);
#ifdef USE_AUTOCROP
@ -8879,7 +8893,7 @@ static void VdpauSyncRenderFrame(VdpauDecoder * decoder,
if (VdpauPreemption) { // display preempted
if (!decoder->Closing) {
VideoSetPts(&decoder->PTS, decoder->Interlaced, frame);
VideoSetPts(&decoder->PTS, decoder->Interlaced, video_ctx, frame);
}
return;
}
@ -8929,7 +8943,7 @@ static void VdpauSyncRenderFrame(VdpauDecoder * decoder,
#endif
if (!decoder->Closing) {
VideoSetPts(&decoder->PTS, decoder->Interlaced, frame);
VideoSetPts(&decoder->PTS, decoder->Interlaced, video_ctx, frame);
}
VdpauRenderFrame(decoder, video_ctx, frame);
}