Audio-video out of sync using MSE
Reported by
aletorr...@gmail.com,
Apr 22 2016
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36 Example URL: Steps to reproduce the problem: 1. Encode a live stream with FFMPEG using DASH muxer (>=v2.8). 2. While transcoding (it seems to happen only when it's a live stream, which may change some media information). 3. Playback for a while. What is the expected behavior? Audio-video in sync. What went wrong? Audio and video get out of sync slowly after several minutes of playback. Playback on Mozilla Firefox is OK. I'm using Google Shaka (several versions), but using Dash.js produces the same result. I've also tested different FFMPEG configurations, and all seem to behave equally. Did this work before? No Is it a problem with Flash or HTML5? HTML5 Does this work in other browsers? Yes Chrome version: 49.0.2623.87 Channel: n/a OS Version: Flash Version: Shockwave Flash 21.0 r0
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Apr 22 2016
I just noticed the same issue with a non-live streaming, so forget about that previous comment.
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Apr 22 2016
Update: I added audio and video fulfill parameters to ffmpeg (-async 1 -vsync 1), and now Chrome is playing it OK. It seems that Chrome doesn't handle well missing frames.
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Apr 26 2016
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Apr 26 2016
Why the WontFix? |
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Comment 1 by aletorr...@gmail.com
, Apr 22 2016