[FFmpeg-devel] colorspace.h

Chris c319chris at aol.com
Wed Jun 3 21:44:33 CEST 2015

I can post my modified code but I am not able to compile ffmpeg and test it.

To give the original author the benefit of the doubt, I am trying to compile a very simplified version of his code to see if it's even close to correct. The code is written very strangely and I'm still trying to figure out exactly what he has done.

Thank you for your interest in this subject. I have written similar RGB-to-color-difference code in the past but customarily program in a language called PureBasic. I am using the original ITU documentation as a reference.

-----Original Message-----
From: Michael Niedermayer <michaelni at gmx.at>
To: FFmpeg development discussions and patches <ffmpeg-devel at ffmpeg.org>
Sent: Wed, Jun 3, 2015 11:52 am
Subject: Re: [FFmpeg-devel] colorspace.h

On Tue, Jun 02, 2015 at 02:28:59AM -0400, Chris wrote:
> Hello -
> I have
found what I believe to be some questionable code in colorspace.h. I have
modified the code to what I believe is correct but am unable to compile ffmpeg
myself on Windows to test my modifications, despite spending many hours trying
to do so and reading several how-to's.
> We can discuss the code changes
here if people would like, but someone who is better equipped to compile ffmpeg
would have to compile it.

can you post a patch that shows the modifications
and explain what is
wrong before and how its improved


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