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tiff: print error for old style LZW

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-03 04:25:55 +01:00
parent 491ca0e89f
commit 52334f5be2
1 changed files with 3 additions and 0 deletions
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libavcodec/tiff.c
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@ -462,6 +462,9 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride,
src = s->deinvert_buf;
ssrc = src;
}
if (size > 1 && !src[0] && (src[1]&1)) {
av_log(s->avctx, AV_LOG_ERROR, "Old style LZW is unsupported\n");
}
if (ff_lzw_decode_init(s->lzw, 8, src, size, FF_LZW_TIFF) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "Error initializing LZW decoder\n");
return -1;