[NUT-devel] Re: r19126 - trunk/DOCS/tech/nut.txt

Baptiste Coudurier baptiste.coudurier at smartjog.com
Mon Jul 17 03:10:24 CEST 2006


Måns Rullgård wrote:
> Michael Niedermayer <michaelni at gmx.at> writes:
> 
>> Hi
>>
>> On Mon, Jul 17, 2006 at 01:09:37AM +0100, Måns Rullgård wrote:
>>> michael <subversion at mplayerhq.hu> writes:
>>>
>>>>      Note, this is the same format these codecs use in matroska
>>>> +    for H.264 the NAL units MUST be formated as in a bytestream 
>>>> +    (with 00 00 01 prefixes)
>>> It's actually 00 00 00 01 (four bytes) for the NAL units that we're
>>> dealing with here.  To make this unambiguous, I would change the text
>>> to read
>>>
>>>   For H.264 the format MUST be that specified in ITU-T Rec. H.264
>>>   Annex B Byte stream format.
>> agree, but we should still mention that its 0 0 0 1 + NAL as not
>> every reader of nut.txt will have (or want) every spec of every
>> codec ...
> 
> Fine by me.  I just want the proper reference included for those that
> do have the document.
> 

Actually, some NALs (PPS, SPS ?) can start with 00 00 01 IIRC.

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