[FFmpeg-devel] [PATCH] Add alphaextract, alphamerge filters

[Nicolas George]

> From b2ebe95c7890c8ba65606d92236f22d8044dc00b Mon Sep 17 00:00:00 2001
> From: Steven Robertson <steven at strobe.cc>
> Date: Tue, 10 Jul 2012 22:14:57 -0700
> Subject: [PATCH] Add alphaextract, alphamerge filters.
> 
> These filters are designed for storing and transmitting video sequences
> with alpha using higher-efficiency codecs such as x264 which don't
> natively support an alpha channel. 'alphaextract' takes an input stream
> with an alpha channel and returns a video containing just the alpha
> component as a grayscale value; 'alphamerge' takes an RGB or YUV stream
> and adds an alpha channel recovered from a second grayscale stream.

It looks ok. I am no specialist of the FATE part, though.

Is there anyone else that want to comment?

Thanks for your work.

Regards,

-- 
  Nicolas George
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20120717/ffa1be2f/attachment.asc>