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Re: What does a track contain?

From: Martin Thomson <martin.thomson@gmail.com>
Date: Wed, 24 Feb 2016 08:20:48 -0800
Message-ID: <CABkgnnVgt_hf=rXjoH7+K73Enor_fHdSPLaMvsjkRmFOn1fncQ@mail.gmail.com>
To: Peter Thatcher <pthatcher@google.com>
Cc: "public-media-capture@w3.org" <public-media-capture@w3.org>
On 24 February 2016 at 08:13, Peter Thatcher <pthatcher@google.com> wrote:
> What do you mean "throughout the media pipeline"?  Do you expect a track
> sent through a PeerConnection to have the alpha channel intact when it comes
> out the remote side?

Well, we know that RTP video is generally incapable of handling alpha
channels, so no.  Unless and until we find a codec that supports an
alpha channel (APNG perhaps).

But the simple example of <canvas> piped to <video> presents something
of a challenge.
Received on Wednesday, 24 February 2016 16:21:17 UTC

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