[Matroska-devel] raw h264 file format

Aya Koshigaya mailinglist at koshigaya.de
Thu Nov 19 13:17:22 CET 2009


Hi,

> From the MKVEXTRACT documentation:
> http://www.bunkus.org/videotools/mkvtoolnix/doc/mkvextract.html
> H.264 / AVC video tracks are written to H.264 elementary streams which
> can be processed further with e.g. MP4Box from the GPAC package.

Yep, I think that's what I am searching for :)


> So I expect it writes it out with NAL start codes, check the result
> for 0x000001 markers to confirm.

The extracte *.h264 starts with 0x00000001, yes.


> The H264 elementary stream format is available from ISO at www.iso.org

Mhh.. are you sure? Can't find it there :(

Thanks~
Aya


On 19.11.2009, at 05:04, David McPaul wrote:

> 2009/11/19 Aya Koshigaya <mailinglist at koshigaya.de>:
>> Hi,
>>
>> I know this isn't realy a matroska-question.. but I don't know where
>> to ask else.. :)
>> Does anyone know the specs of the raw h264 format? (The one that
>> MKVTools creates when I extract a video stream of a mkv.)
>
> From the MKVEXTRACT documentation:
> http://www.bunkus.org/videotools/mkvtoolnix/doc/mkvextract.html
>
> H.264 / AVC video tracks are written to H.264 elementary streams which
> can be processed further with e.g. MP4Box from the GPAC package.
>
> So I expect it writes it out with NAL start codes, check the result
> for 0x000001 markers to confirm.
>
> The H264 elementary stream format is available from ISO at www.iso.org
>
> -- 
> Cheers
> David
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