fix the 1st frame timestamp. step backward at beginning should work

wang-bin · wang-bin · commit 34afa14316c2 · 2018-06-14T16:24:46.000+08:00
diff --git a/src/VideoThread.cpp b/src/VideoThread.cpp
@@ -523,7 +523,7 @@ void VideoThread::run()
             continue;
         }
         pkt_data = pkt.data.constData();
-        if (frame.timestamp() <= 0)
+        if (frame.timestamp() < 0)
             frame.setTimestamp(pkt.pts); // pkt.pts is wrong. >= real timestamp
         const qreal pts = frame.timestamp();
         d.pts_history.push_back(pts);

Original file line number	Diff line number	Diff line change
`@@ -523,7 +523,7 @@ void VideoThread::run()`
`523`	`523`	`continue;`
`524`	`524`	`}`
`525`	`525`	`pkt_data = pkt.data.constData();`
`526`		`- if (frame.timestamp() <= 0)`
	`526`	`+ if (frame.timestamp() < 0)`
`527`	`527`	`frame.setTimestamp(pkt.pts); // pkt.pts is wrong. >= real timestamp`
`528`	`528`	`const qreal pts = frame.timestamp();`
`529`	`529`	`d.pts_history.push_back(pts);`