That's a shame. MPEG-4 has supported shape coding and alpha for, in web terms, eternity. Don't any browsers support MPEG-4?As far as I know none include alpha channel support. What you'd usually do is chroma keying.
On Tue, Apr 2, 2013 at 11:08 AM, Mark Callow <email@example.com> wrote:
Do any of the video formats used on the web support an alpha channel? I want to do
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