Add support for I444 frames to VideoDecoderVpx.

Add support for I444 frames to VideoDecoderVpx.

VideoDecoderVpx has supported VP9 for a while, but was missing a colour
conversion codepath from I444 frames to ARGB.

BUG=377239, 260879, 134202
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=272846

[Wez, 2014-05-25 01:52:15]

This is a minimal patch, in order to potentially be suitable for merge. I'll
follow up with a patches to clean up the RenderFrame implementation, and to add
scaling support.

[Sergey Ulanov, 2014-05-25 07:13:27]

lgtm

https://codereview.chromium.org/300653002/diff/1/remoting/codec/video_decoder...
File remoting/codec/video_decoder_vpx.cc (right):

https://codereview.chromium.org/300653002/diff/1/remoting/codec/video_decoder...
remoting/codec/video_decoder_vpx.cc:298: LOG(ERROR) << ": fmt=" <<
last_image_->fmt;
Change this to something line "Unsupported image format: fmt="

[Wez, 2014-05-25 22:59:11]

https://codereview.chromium.org/300653002/diff/1/remoting/codec/video_decoder...
File remoting/codec/video_decoder_vpx.cc (right):

https://codereview.chromium.org/300653002/diff/1/remoting/codec/video_decoder...
remoting/codec/video_decoder_vpx.cc:298: LOG(ERROR) << ": fmt=" <<
last_image_->fmt;
On 2014/05/25 07:13:28, Sergey Ulanov wrote:
> Change this to something line "Unsupported image format: fmt="

Done.

[Wez, 2014-05-25 22:59:15]

The CQ bit was checked by wez@chromium.org

[commit-bot: I haz the power, 2014-05-25 22:59:28]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/wez@chromium.org/300653002/20001

[commit-bot: I haz the power, 2014-05-26 16:24:52]

Change committed as 272846