FFMpeg H264 decoder uses YUVJ420 when video_full_range_flag=1 in bitstream. Information about color range might be useful for color converter and renderer. But currently there is no way to extract it from the wrapper. Bug: webrtc:8185 Change-Id: Ifd1113f0eee3d7b5906d0cefbc29b4a1061262f6 Reviewed-on: https://webrtc-review.googlesource.com/32000 Reviewed-by: Erik Språng <sprang@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#21246}