[FFmpeg-user] AVC3 -> AVC1 conversion

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Nov 28 00:26:54 EET 2017

2017-11-26 23:27 GMT+01:00 antony baxter <antony.baxter at gmail.com>:

> I can obviously convert them into H264 avc1 the long way, but
> wondered if there was a quick way of simply changing the
> metadata of the avc3 stream into avc1?

Of course:
Use the hexeditor of your choice, search for "avc3" (it is either
on top or at the end of the file) and change it.

I am not sure if QT (or WMP) will play the resulting file though,
FFmpeg-based players will.

As Moritz explained: FFmpeg is not a file editor.

Carl Eugen

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