[FFmpeg-devel] [PATCH] avcodec/ac3_parser: recognize LE bitstream variant
Paul B Mahol
onemda at gmail.com
Fri Feb 21 23:32:10 EET 2020
Signed-off-by: Paul B Mahol <onemda at gmail.com>
---
libavcodec/ac3_parser.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/ac3_parser.c b/libavcodec/ac3_parser.c
index 1e203ae6ac..ba171653ef 100644
--- a/libavcodec/ac3_parser.c
+++ b/libavcodec/ac3_parser.c
@@ -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);
--
2.17.1
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