[FFmpeg-devel] [PATCH] Matroska Muxer

David Conrad umovimus
Thu Aug 30 06:15:51 CEST 2007


On Aug 26, 2007, at 10:13 AM, Aurelien Jacobs wrote:

> On Thu, 23 Aug 2007 20:50:20 -0400
> David Conrad <umovimus at gmail.com> wrote:
>
>>
>> On Aug 20, 2007, at 5:15 PM, Aurelien Jacobs wrote:
>>
>>> On Mon, 20 Aug 2007 15:56:12 -0400
>>> David Conrad <umovimus at gmail.com> wrote:
>>>
>>>> On Aug 14, 2007, at 4:42 AM, Luca Barbato wrote:
>>>>
>>>>> David Conrad wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I feel that my GSoC is ready for SVN. It does have a couple of
>>>>>> known
>>>>>> limitations:
>>>>>>
>>>>>
>>>>> Does it mux snow?
>>>>>
>>>>> lu - beware I'll ask about dirac muxing in a few days
>>>>
>>>> It can, it's currently handled the same way as in AVI. However,
>>>> http://haali.cs.msu.ru/mkv/codecs.pdf lists V_SNOW as the native  
>>>> id,
>>>> so I think that should be added (patch attached)
>>>
>>> OTOH mkvmerge muxes snow as V_MS/VFW/FOURCC, not as V_SNOW. And I'm
>>> not sure if any matroska muxer supports V_SNOW.
>>> Anyway, as V_SNOW seems to be an official tag, I have no objection
>>> about this patch. You can commit it if you want.
>>
>> Okay, committed. There are a couple of other tags I recently became
>> aware of: Haali's muxer apparently uses V_VC1 and A_EAC3, and
>> Gabest's muxer seems to use V_DIRAC.
>
> If some muxers are using those tags, then they should be supported
> in ffmpeg's demuxer. Feel free to add them.
>
>> I don't actually have any files that use these tags however.
>
> You could probably produce some using the above mentioned muxers.

I would if I had Windows... I'll try to get a friend to let me verify  
these tags on their machine.




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