Codecs + Alpha Channel

[Tim Müller]

On Tue, 2018-07-24 at 09:12 -0500, Tommato wrote:

Hi,

> 
> our task is to write a QuickTime movie frame by frame from memory
> (app data) with RGB + A.

Have you considered/tried encoding frames as PNG? That should be
lossless and allow for an alpha channel.

qtmux currently doesn't support raw RGB video with an alpha channel. If
you know a mapping for that and/or have a sample file, that could
probably be added fairly easily though.

Cheers
-Tim

-- 
Tim Müller, Centricular Ltd - http://www.centricular.com

Join us at the GStreamer Conference! 25-26 October 2018 in Edinburgh,
Scotland