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Re: Problem with beginning of 2-pass encoded video

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Michael Rampe
Re: Problem with beginning of 2-pass encoded video
on Jul 6, 2011 at 11:37:18 pm

OK. did some more digging and testing and got some solid results and answers.

To use a football metaphor, this is a case of "it is the ball, not the player"

Check out this post:
http://doom10.org/index.php?topic=1343.0

Dark Shikari (aka Jason Garrett-Glaser - developer of x264) states that youtube has a broken mp4 demuxer.

I followed his suggestions and rewrapped the file to an mkv wrapper.
$ffmpeg -i badfile.mp4 -vcodec copy goodfile.mkv

This worked (no grey mess at the start) with the B-frames intact.
My other test (without B-frames) also worked but who wants to be using a baseline profile for HD video.... no one;-)

Michael


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