[Ffmpeg-devel] Re: [PATCH] x264 avc encoding, movenc avcC, ctts

Loren Merritt lorenm
Mon Feb 20 22:34:45 CET 2006

On Mon, 20 Feb 2006, Baptiste COUDURIER wrote:
> Luca Abeni wrote:
>> Moreover, I think you are opencoding the for() loop on the NALs... Why?
>> Also, it seems that you are not putting the first NAL in the extradata?
> Sorry, I do not understand "opencoding", can you please explain me ?
> SEI nal is not needed in extradata.

SEI nal isn't required by the standard at all, but it's still useful. 
If it's not in extradata it should be in the 1st frame of the video 
track. I think extradata is better because otherwise it would get lost if 
you cut the file.

--Loren Merritt

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