[FFmpeg-devel] [PATCH] attachments support in matroska demuxer

Reimar Döffinger Reimar.Doeffinger
Sun Jan 20 19:58:16 CET 2008

On Sun, Jan 20, 2008 at 06:35:58PM +0000, M?ns Rullg?rd wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> >     } else if (startcode >= 0x1c0 && startcode <= 0x1df) {
> >         type = CODEC_TYPE_AUDIO;
> >         codec_id = m->sofdec > 0 ? CODEC_ID_ADPCM_ADX : CODEC_ID_MP2;
> It's not the fault of MPEG that whoever is behind ADX chose to ignore
> the spec.
> > avi doesnt have such entertaining identifer system, but uses boring 4 
> > character codes with some similarity to the codec name and suprisingly
> > that anarchistic system is free of colissions while the great mpeg
> > is full of collisions.
> Well, with AVI the problem is the opposite.  Every codec has a zillion
> different identifiers.

It's not the fault of AVI that whoever is behind those chose to ignore
the spec...

> This is because of fundamental misconceptions
> in the way AVI and VFW were originally conceived.  I've discussed
> these at length in the past, and I don't feel inclined to repeat it
> all again.

Obviously you forgot the part of the discussion where it came up that
these misconceptions were not in the spec but actually against it...

Reimar D?ffinger

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