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

Baptiste Coudurier baptiste.coudurier
Sun Jan 20 20:09:32 CET 2008


Reimar D?ffinger wrote:
> Hello,
> 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...

Why didn't they drop avi and choose/design a correct one before hacking it ?
It's either a container evolves to support more things (mov), or is
being discontinued (avi), which is what MS did, but you guys wants to
stick forever with it, just let it go...

[...]

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