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dpx: warn if encrypted

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet 2014-08-13 01:44:40 +02:00 committed by Michael Niedermayer
parent 69849a2d6e
commit 7cdef77b50
1 changed files with 10 additions and 0 deletions
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10
libavcodec/dpx.c
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@ -108,6 +108,16 @@ static int decode_frame(AVCodecContext *avctx,
av_log(avctx, AV_LOG_ERROR, "Invalid data start offset\n"); av_log(avctx, AV_LOG_ERROR, "Invalid data start offset\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
// Check encryption
buf = avpkt->data + 660;
ret = read32(&buf, endian);
if (ret != 0xFFFFFFFF) {
avpriv_report_missing_feature(avctx, "Encryption");
av_log(avctx, AV_LOG_WARNING, "The image is encrypted and may "
"not properly decode.\n");
}
// Need to end in 0x304 offset from start of file // Need to end in 0x304 offset from start of file
buf = avpkt->data + 0x304; buf = avpkt->data + 0x304;
w = read32(&buf, endian); w = read32(&buf, endian);