[FFmpeg-devel] Patch profile/level of existing avc-in-mp4 file

[Erik Slagter]

> It's the SPS that needs patching.  In an mp4 file you'll find this in
> one of the header blocks, not the actual stream.

Following up to myself...

$(file) was my friend here, especially /usr/share/magic, it has a nice
"description" of the level fields in a JVT/NAL sequence.

Poked one byte (offset 7, 51->41) in the file and now it works, x264
encoded material on the Playstation 3 :-)
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