[FFmpeg-user] Encode VP9 (or VP8) WITH alpha channel

Wagner Patriota wagner.patriota at gmail.com
Tue Jan 7 23:16:36 CET 2014


Is FFmpeg supporting encoding of WebM with VP9 (or VP8) with alpha channel
through libvpx?

I tried the very basic:
ffmpeg -i input.mov -vcodec libvpx-vp9 output.webm

but nothing happens... my video doesn´t get the transparency from
input.mov... any hints?

Thank you,
Wagner


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