[FFmpeg-devel] Concurrent ProRes decoder

Maxim max_pole at gmx.de
Wed Sep 21 04:46:52 CEST 2011

Am 21.09.2011 04:24, schrieb Michael Niedermayer:
> Hi Maxim
> On Wed, Sep 21, 2011 at 03:42:38AM +0200, Maxim wrote:
>> Hi crews,
>> Yes, it's no mistake! What you see is just another code implementing
>> ProRes decoder.
>> Now I'm going to explain that confusion.
>> Writing a ProRes compatible decoder began as team project in 2010.
>> During this period, I created an internal documentation on the coding
>> algorithm (entropy coding, slicing and inverse transform); a part of
>> this doc has been published at
>> http://wiki.multimedia.cx/index.php?title=Apple_ProRes&action=history
>> already in 2010 (see my nickname "Maxpol" for a proof), but not to much
>> to avoid an implementation by someone else.
>> Later I wrote a working decoder. Due to the lack for interlaced frames
>> it was incomplete, but it could handle the most of samples available.
>> Further I shared my docs and code with another developer, whose name I
>> don't want to mention here. He wrote his own code, heavily based on my work.
>> The team suffered from poor communication and political intrigues...
>> A few days ago that other developer has submitted his decoder
>> anonymously. I feel that the code, containing a significant part of my
>> work, was released without proper credit.
> Ive just added copyright statements to give credit to you (and elvis).
> And iam sorry that they havnt been there when it was commited
> initially.

Thank you! You don't need to apologize - you didn't know about that...

> If there are more Authors who have copyright on this, please tell me
> I will add them too.

>From what I know nobody else except me and that other guy...

Best regards

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