From b672a694b9d14dc57e4f15ed52212d225077a07a Mon Sep 17 00:00:00 2001
From: Torbjörn Andersson
Date: Sun, 10 Jun 2018 09:09:46 +0200
Subject: VIDEO: Synchronize video to pts timestamps

This is another attempts at improving the audio/video sync in the
MPEG-PS decoder. Unfortunately, the audio probably also needs to
be synced to its pts timestamps...
---
 video/mpegps_decoder.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'video')

diff --git a/video/mpegps_decoder.cpp b/video/mpegps_decoder.cpp
index 421ae1ee3e..99624dd119 100644
--- a/video/mpegps_decoder.cpp
+++ b/video/mpegps_decoder.cpp
@@ -486,6 +486,10 @@ bool MPEGPSDecoder::MPEGVideoTrack::sendPacket(Common::SeekableReadStream *packe
 
 	if (foundFrame) {
 		_curFrame++;
+		if (pts != 0xFFFFFFFF) {
+			Audio::Timestamp ptsTimestamp = Audio::Timestamp(pts / 90, 27000000);
+			framePeriod = ptsTimestamp.frameDiff(_nextFrameStartTime);
+		}
 		_nextFrameStartTime = _nextFrameStartTime.addFrames(framePeriod);
 	}
 #endif
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