[FFmpeg-devel] [PATCH 2/3] electronicarts: demux alpha stream

Peter Ross pross at xvid.org
Sat Jun 27 01:08:14 CEST 2015

On Fri, Jun 26, 2015 at 05:47:16PM +0000, Carl Eugen Hoyos wrote:
> Peter Ross <pross <at> xvid.org> writes:
> > Electronic Arts VP6 files may contain two video 
> > streams: one for the primary video stream and 
> > another for the alpha mask. The file format
> > uses identical data structures for both streams.
> Is there a command line that allows to output 
> the (intended) opaque ring in transparent 
> background?
> Thank you, Carl Eugen

ffmpeg -i SmallRing.vp6 -filter_complex '[0:0][0:1] alphamerge' out%d.png

-- Peter
(A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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