[NUT-devel] Re: [Ffmpeg-devel] Re: integrating AVS decoding into MPlayer

Baptiste Coudurier baptiste.coudurier at smartjog.com
Sun Jul 16 00:14:20 CEST 2006


Hi

Måns Rullgård wrote:
>>>> [...]
>>>> IMHO not for H264,
>>> what exactly is unclear in the h.264 spec?
>> ISO/IEC specify bytestream NAL formating used in AVI.
>> 1) Wraping in AVI IS NOT standardized.
>> 2) Wraping in MOV IS standardized in ISO 14496-15.
>>
>> Problem will occur with "stream copy" and reformating. Im just saying
>> that one way MUST be chosen, and clearly mentioned somewhere.
> 
> There is also the possibility of allowing both.  It is easy enough for
> the decoder to detect which was used.

Well, why not, but how to identify them ? IMHO that's not the decoder's
job and it should not decided based on the extradata presence. 2
different fourcc's ? Well I don't know.

IMHO only allowing one formating is better.

>> [...]
>>
>> For example, no extradata needed for AAC since it is stored as ADTS.
>> or AAC must be stored as frame and ADTS header as extradata.
> 
> Don't forget about ADIF.
> 

Hehe... headache... sleep.

-- 
Baptiste COUDURIER                              GnuPG Key Id: 0x5C1ABAAA
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