[FFmpeg-devel] (new) intermediate codec

Michael Niedermayer michaelni
Thu Mar 10 10:03:43 CET 2011


On Wed, Mar 09, 2011 at 03:45:20PM -0800, Mike Melanson wrote:
> On 03/09/2011 01:51 PM, Lars T?uber wrote:
>> Hello everybody,
>>
>> this is a tentative request for a general purpose intermediate video codec within the ffmpeg project.
>> I'd like to sponsor it's developement to a certain amount.
>>
>> It should feature the following:
>> - intracoded only (possible)
>> - lossless coding (possible)
>> - multithreaded encoding
>> - multithreaded decoding
>> - supported formats:
>> --- main integer colorspaces: GRAY, RGB, YUV, RGBA, YUVA (1, 3, 4 (or more) planes)
>> --- main color depths: 8bit, 16bit (both full scaled)
>> --- main subsamplings for yuv: 4:2:0, 4:2:2, 4:4:4
>>
>> e.g.
>> RGB24, ARGB32, RGB48, (ARGB64?)
>> YUV420, YUVA444, YUV422P16, (YUVA420P16?)
>> GRAY8, GRAY16, Y400A
>
> Okay, so the requirements, distilled:
> 1) sun
> 2) moon
> 3) stars above
>
> :)
>
> Here's a bit more legwork you might be able to do: Can you put together  
> in one place some samples of every single colorspace format you would  
> like to support? Also, run them through the existing lossless coders  
> (like HuffYUV) and post some numbers so that a potential developer knows  
> what numbers to beat.

Dont forget testing multithreaded ffv1.2

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

He who knows, does not speak. He who speaks, does not know. -- Lao Tsu
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