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

Erik Slagter erik
Sun Feb 19 20:00:45 CET 2006


On Sun, 2006-02-19 at 19:54 +0100, Richard S. wrote:

> Qoute 14496-12:
> ...This brand should not be used as the major brand; this base file
> format should be derived into another
> specification to be used. There is therefore no defined normal file
> extension, or mime type assigned to this
> brand, nor definition of the minor version when ?isom? is the major brand.
> Files would normally be externally identified (e.g. with a file
> extension or mime type)

Yeah, now I know, I've read something like this, like -12 being the base
file type and -14 being the derived, actual implementation, but it
didn't mention isom/mp4[12].

> There is somewhere a free copy of 14496-12.

But that's not enough, I guess...

> mp42 = 14496-14 (mp41 =some time ago the MP4 File was in 14496-1 defined)

So mp41 = 14496-1, good to know.

> 14496-* can be bought here: http://www.iso.ch

I know :-( It's a little too expensive for me for just cleaning up
ffmpeg's muxer :-( So I guess you have a nice boss ;-)

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