Layers 1 and 2 use lengths in bits which are not a multiple of 8,
and our CRC works on a per-byte basis.
Based on b48397e7b8
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavcodec/mpegaudiodec_template.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mpegaudiodec_template.c
b/libavcodec/mpegaudiodec_template.c
index 3d7e3ba4f2..3ae73d3c8d 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -1568,7 +1568,7 @@ static int mp_decode_frame(MPADecodeContext *s, OUT_INT
**samples,
if (s->error_protection) {
uint16_t crc = get_bits(&s->gb, 16);
- if (s->err_recognition & AV_EF_CRCCHECK) {
+ if (s->err_recognition & AV_EF_CRCCHECK && s->layer == 3) {
const int sec_len = s->lsf ? ((s->nb_channels == 1) ? 9 : 17) :
((s->nb_channels == 1) ? 17 : 32);
const AVCRC *crc_tab = av_crc_get_table(AV_CRC_16_ANSI);
--
2.27.0
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