[Libav-user] How to encode Divx video that can be played on Divx certified devices

[YIRAN LI]

> YIRAN LI <mrfun.china at ...> writes:
>
> > Using this tag only changes FourCC value, and the
> > converted file actually is still MPEG-4 video.
>
> Divx is an implementation of mpeg-4 asp.
>
> Hi Carl, I compared the content generated via ffmpeg command line
with/without -vtag divx ​.

ffmpeg.exe -i big10.mp4 -vcodec mpeg4 -an a.avi
ffmpeg.exe -i big10.mp4 -vcodec mpeg4 -vtag divx -an adivx.avi

The only difference in them is the FourCC in header.

That means the video is generated using ffmpeg's own implementation, not
Divxs, right?



Carl Eugen
>
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