MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR 2183 libavformat/matroskadec.c     case MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR:
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR  944 libavformat/matroskaenc.c                       MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR  948 libavformat/matroskaenc.c                       MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);