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| author | James Almer <jamrial@gmail.com> | 2020-08-03 10:40:10 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2020-08-03 11:09:47 -0300 |
| commit | 08f60a35b452967091aec8426f97c502226090e2 (patch) | |
| tree | a78c30a06410df2175999f6e0b03aa2af69eb7fc /libavcodec/mpegaudiodec_template.c | |
| parent | 9afd1f6ff2652daefd134350171f35f97c3e069b (diff) | |
| download | ffmpeg-08f60a35b452967091aec8426f97c502226090e2.tar.gz | |
avcodec/mpegaudiodec_template: disable CRC checking for layers 1 and 2
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
Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/mpegaudiodec_template.c')
| -rw-r--r-- | libavcodec/mpegaudiodec_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
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); |