Fix support for yuv_422 pixel format.

media/ffmpeg/ffmpeg_common.h

Index: media/ffmpeg/ffmpeg_common.h
diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h
index dbdbc6e3923ae29366928265cafdd65dda09f3b2..87f6ffa430eedd710a8fd4bbb8467f6a38c49103 100644
--- a/media/ffmpeg/ffmpeg_common.h
+++ b/media/ffmpeg/ffmpeg_common.h
@@ -81,6 +81,8 @@ CodecID VideoCodecToCodecID(VideoCodec video_codec);
 // good guess about the plausible channel layout based on number of channels.
 ChannelLayout ChannelLayoutToChromeChannelLayout(int64_t layout,
                                                  int channels);
+// Converts FFmpeg's pixel formats to the corresponding supported video format.

[scherkus (not reviewing), 2011/09/28 17:32:17]

nit: add one blank line before this (in general comments have a blank line
before them)

[shadi1, 2011/09/29 18:31:03]

Done.

[shadi1, 2011/09/29 18:31:03]

Done.

+VideoFrame::Format PixFmtToVideoFormat(PixelFormat pix_fmt);

[scherkus (not reviewing), 2011/09/28 17:32:17]

nit: PixFmt -> PixelFormat

[shadi1, 2011/09/29 18:31:03]

Done.

 
 // Calculates duration of one frame in the |stream| based on its frame rate.
 base::TimeDelta GetFrameDuration(AVStream* stream);