MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR  200 libavformat/matroska.c     case MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR:
MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR  770 libavformat/matroskaenc.c                 format = MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR;