[NUT-devel] Fourcc spec

[Michael Niedermayer]

Hi

On Fri, Nov 17, 2006 at 10:33:20AM +0100, Baptiste Coudurier wrote:
> Hi
> 
> Oded Shimon wrote:
> > This specification is normative to demuxers, informative to muxers. It 
> > does not need to be actively maintained, because it does NOT list all 
> > legal fourcc's, only the ones noted by the specification. I'd like to 
> > commit it to nut/docs/fourcc.txt .
> > 
> > - ods15
> > 
> > Demuxers which support the codec listed MUST support the fourcc listed
> > here.
> > Muxers SHOULD use the fourcc listed here for codecs.
> > 
> > Video:
> > "mp4s"        MPEG-4 Part 2
> 
> NO PLEASE ! "mp4v"
> mp4s is used in mov/mp4/3gp to specify data/subs/whatever.
>
> > "h263"        H.263
> > "h264"        MPEG-4 Part 10/H.264
> > "snow"        Snow
> > "drac"        Dirac/Schroedinger
> > "vc1 "        VC-1
> > 
> > Audio:
> > "vrbs"        Xiph.org Vorbis
> > "mp2 "        MP2
> > "mp3 "        MP3
> > "ac3 "        AC3
> > "aac "        AAC/MPEG-4 Part 3
> > "eac3"        EAC3
> > "flac"        Free Lossless Audio Codec
> > "wavp"        WavPack
> > 
> 
> Ok but please do not put them in riff.c ;)

no, and add a syntax element to the stream headers which says which
type of codec id is used avi style or nut style (or qt style) hmm
i do think you can copy and paste the text from matroska that will
save some time

if this gets accepted we have surpassed avi and mov in brokenness
several seperate codec id systems

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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