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tta: stop checking header checksum in extradata

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It's redundant now as check in done in demuxer instead.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2013-05-31 21:07:08 +00:00
parent 6510686c16
commit 710940bec1
1 changed files with 1 additions and 5 deletions
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6
libavcodec/tta.c
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@ -207,14 +207,10 @@ static av_cold int tta_decode_init(AVCodecContext * avctx)
if (avctx->extradata_size < 22) if (avctx->extradata_size < 22)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
s->crc_table = av_crc_get_table(AV_CRC_32_IEEE_LE);
init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size * 8); init_get_bits(&s->gb, avctx->extradata, avctx->extradata_size * 8);
if (show_bits_long(&s->gb, 32) == AV_RL32("TTA1")) if (show_bits_long(&s->gb, 32) == AV_RL32("TTA1"))
{ {
if (avctx->err_recognition & AV_EF_CRCCHECK) {
s->crc_table = av_crc_get_table(AV_CRC_32_IEEE_LE);
tta_check_crc(s, avctx->extradata, 18);
}
/* signature */ /* signature */
skip_bits_long(&s->gb, 32); skip_bits_long(&s->gb, 32);