end = buf + p->buf_size;
for(; buf < end; buf++) {
- if(buf > p->buf && (buf[0] != 0x0B || buf[1] != 0x77) )
+ if(buf > p->buf && !(buf[0] == 0x0B && buf[1] == 0x77)
+ && !(buf[0] == 0x77 && buf[1] == 0x0B) )
continue;
buf2 = buf;
for(frames = 0; buf2 < end; frames++) {
+ uint8_t buf3[4096];
+ int i;
if(!memcmp(buf2, "\x1\x10\0\0\0\0\0\0", 8))
buf2+=16;
- init_get_bits(&gbc, buf2, 54);
+ if (buf[0] == 0x77 && buf[1] == 0x0B) {
+ for(i=0; i<8; i+=2) {
+ buf3[i ] = buf[i+1];
+ buf3[i+1] = buf[i ];
+ }
+ init_get_bits(&gbc, buf3, 54);
+ }else
+ init_get_bits(&gbc, buf2, 54);
if(avpriv_ac3_parse_header(&gbc, &hdr) < 0)
break;
- if(buf2 + hdr.frame_size > end ||
- av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, buf2 + 2, hdr.frame_size - 2))
+ if(buf2 + hdr.frame_size > end)
+ break;
+ if (buf[0] == 0x77 && buf[1] == 0x0B) {
+ av_assert0(hdr.frame_size <= sizeof(buf3));
+ for(i=8; i<hdr.frame_size; i+=2) {
+ buf3[i ] = buf[i+1];
+ buf3[i+1] = buf[i ];
+ }
+ }
+ if(av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, gbc.buffer + 2, hdr.frame_size - 2))
break;
if (hdr.bitstream_id > 10)
codec_id = AV_CODEC_ID_EAC3;