FormatToString    133 media/audio/android/audio_android_unittest.cc   os << endl << "format: " << FormatToString(params.format()) << endl
FormatToString     59 media/base/video_frame.h   static std::string FormatToString(Format format);
FormatToString    733 media/filters/ffmpeg_demuxer.cc         "video_format", VideoFrame::FormatToString(video_config.format()));