MAT_MIDDLE_CODE_OFFSET  410 libavformat/spdifenc.c         mat_code_length = sizeof(mat_middle_code) + MAT_MIDDLE_CODE_OFFSET;
MAT_MIDDLE_CODE_OFFSET  411 libavformat/spdifenc.c         memcpy(&ctx->hd_buf[12 * TRUEHD_FRAME_OFFSET - BURST_HEADER_SIZE + MAT_MIDDLE_CODE_OFFSET],