avcodec/ac3_parser: recognize LE bitstream variant

This commit is contained in:
Paul B Mahol 2020-02-21 22:31:07 +01:00
parent ebc8806b9f
commit 9e0ddb5e80

View File

@ -201,6 +201,12 @@ static int ac3_sync(uint64_t state, AACAC3ParseContext *hdr_info,
AC3HeaderInfo hdr;
GetBitContext gbc;
if (tmp.u8[1] == 0x77 && tmp.u8[2] == 0x0b) {
FFSWAP(uint8_t, tmp.u8[1], tmp.u8[2]);
FFSWAP(uint8_t, tmp.u8[3], tmp.u8[4]);
FFSWAP(uint8_t, tmp.u8[5], tmp.u8[6]);
}
init_get_bits(&gbc, tmp.u8+8-AC3_HEADER_SIZE, 54);
err = ff_ac3_parse_header(&gbc, &hdr);