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Code Issues Releases Wiki Activity

Softer audio/video sync.

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This commit is contained in:
Johns 2013-09-30 20:54:27 +02:00
parent a13c25d309
commit 58a76439ee
2 changed files with 23 additions and 12 deletions
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1
ChangeLog
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@ -1,6 +1,7 @@
User johns
Date:
Softer audio/video sync.
Add function GetStats to the video output module.
Add function ResetStart to the video output module.
Add function SetClosing to the video output module.

34
video.c
View File

@ -1537,6 +1537,7 @@ struct _vaapi_decoder_
int SyncOnAudio; ///< flag sync to audio
int64_t PTS; ///< video PTS clock
int LastAVDiff; ///< last audio - video difference
int SyncCounter; ///< counter to sync frames
int StartCounter; ///< counter for video start
int FramesDuped; ///< number of frames duplicated
@ -4893,7 +4894,7 @@ static void VaapiSyncDecoder(VaapiDecoder * decoder)
goto out;
}
// both clocks are known
if (audio_clock + VideoAudioDelay <= video_clock + 15 * 90) {
if (audio_clock + VideoAudioDelay <= video_clock + 25 * 90) {
goto out;
}
// out of sync: audio before video
@ -4928,22 +4929,26 @@ static void VaapiSyncDecoder(VaapiDecoder * decoder)
if (audio_clock != (int64_t) AV_NOPTS_VALUE
&& video_clock != (int64_t) AV_NOPTS_VALUE) {
// both clocks are known
int diff;
if (abs(video_clock - audio_clock + VideoAudioDelay) > 5000 * 90) {
diff = video_clock - audio_clock - VideoAudioDelay;
diff = (decoder->LastAVDiff + diff) / 2;
decoder->LastAVDiff = diff;
if (abs(diff) > 5000 * 90) { // more than 5s
err = VaapiMessage(2, "video: audio/video difference too big\n");
} else if (video_clock > audio_clock + VideoAudioDelay + 100 * 90) {
} else if (diff > 100 * 90) {
// FIXME: this quicker sync step, did not work with new code!
err = VaapiMessage(2, "video: slow down video, duping frame\n");
++decoder->FramesDuped;
decoder->SyncCounter = 1;
goto out;
} else if (video_clock > audio_clock + VideoAudioDelay + 45 * 90) {
} else if (diff > 55 * 90) {
err = VaapiMessage(2, "video: slow down video, duping frame\n");
++decoder->FramesDuped;
decoder->SyncCounter = 1;
goto out;
} else if (audio_clock + VideoAudioDelay > video_clock + 15 * 90
&& filled > 1 + 2 * decoder->Interlaced) {
} else if (diff < -25 * 90 && filled > 1 + 2 * decoder->Interlaced) {
err = VaapiMessage(2, "video: speed up video, droping frame\n");
++decoder->FramesDropped;
VaapiAdvanceDecoderFrame(decoder);
@ -5563,6 +5568,7 @@ typedef struct _vdpau_decoder_
int SyncOnAudio; ///< flag sync to audio
int64_t PTS; ///< video PTS clock
int LastAVDiff; ///< last audio - video difference
int SyncCounter; ///< counter to sync frames
int StartCounter; ///< counter for video start
int FramesDuped; ///< number of frames duplicated
@ -8519,7 +8525,7 @@ static void VdpauSyncDecoder(VdpauDecoder * decoder)
goto out;
}
// both clocks are known
if (audio_clock + VideoAudioDelay <= video_clock + 15 * 90) {
if (audio_clock + VideoAudioDelay <= video_clock + 25 * 90) {
goto out;
}
// out of sync: audio before video
@ -8553,22 +8559,26 @@ static void VdpauSyncDecoder(VdpauDecoder * decoder)
if (audio_clock != (int64_t) AV_NOPTS_VALUE
&& video_clock != (int64_t) AV_NOPTS_VALUE) {
// both clocks are known
int diff;
if (abs(video_clock - audio_clock + VideoAudioDelay) > 5000 * 90) {
diff = video_clock - audio_clock - VideoAudioDelay;
diff = (decoder->LastAVDiff + diff) / 2;
decoder->LastAVDiff = diff;
if (abs(diff) > 5000 * 90) { // more than 5s
err = VdpauMessage(2, "video: audio/video difference too big\n");
} else if (video_clock > audio_clock + VideoAudioDelay + 100 * 90) {
} else if (diff > 100 * 90) {
// FIXME: this quicker sync step, did not work with new code!
err = VdpauMessage(2, "video: slow down video, duping frame\n");
++decoder->FramesDuped;
decoder->SyncCounter = 1;
goto out;
} else if (video_clock > audio_clock + VideoAudioDelay + 45 * 90) {
} else if (diff > 55 * 90) {
err = VdpauMessage(2, "video: slow down video, duping frame\n");
++decoder->FramesDuped;
decoder->SyncCounter = 1;
goto out;
} else if (audio_clock + VideoAudioDelay > video_clock + 15 * 90
&& filled > 1 + 2 * decoder->Interlaced) {
} else if (diff < -25 * 90 && filled > 1 + 2 * decoder->Interlaced) {
err = VdpauMessage(2, "video: speed up video, droping frame\n");
++decoder->FramesDropped;
VdpauAdvanceDecoderFrame(decoder);