MM_HEADER_LEN_AV   64 libavformat/mm.c     if (p->buf_size < MM_HEADER_LEN_AV + MM_PREAMBLE_SIZE)
MM_HEADER_LEN_AV   70 libavformat/mm.c     if (len != MM_HEADER_LEN_V && len != MM_HEADER_LEN_AV)
MM_HEADER_LEN_AV  120 libavformat/mm.c     if (length == MM_HEADER_LEN_AV) {