FLV_VIDEO_CODECID_MASK 216 libavformat/flvdec.c int flv_codecid = flags & FLV_VIDEO_CODECID_MASK; FLV_VIDEO_CODECID_MASK 952 libavformat/flvdec.c size -= flv_set_video_codec(s, st, flags & FLV_VIDEO_CODECID_MASK, 1);