From b48397e7b84864f2d4c70361a4c4bed93e826753 Mon Sep 17 00:00:00 2001 From: Lynne Date: Sun, 2 Aug 2020 22:45:00 +0200 Subject: 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. --- 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..f03d7bc275 100644 --- a/libavcodec/mpegaudiodec_template.c +++ b/libavcodec/mpegaudiodec_template.c @@ -1566,7 +1566,7 @@ static int mp_decode_frame(MPADecodeContext *s, OUT_INT **samples, init_get_bits(&s->gb, buf + HEADER_SIZE, (buf_size - HEADER_SIZE) * 8); - if (s->error_protection) { + if (s->error_protection && s->layer == 3) { uint16_t crc = get_bits(&s->gb, 16); if (s->err_recognition & AV_EF_CRCCHECK) { const int sec_len = s->lsf ? ((s->nb_channels == 1) ? 9 : 17) : -- cgit v1.2.3