AC3_HEADER_SIZE   124 libavcodec/ac3_parser.c         if(hdr->frame_size < AC3_HEADER_SIZE)
AC3_HEADER_SIZE   174 libavcodec/ac3_parser.c     init_get_bits(&gbc, tmp.u8+8-AC3_HEADER_SIZE, 54);
AC3_HEADER_SIZE   201 libavcodec/ac3_parser.c     s->header_size = AC3_HEADER_SIZE;