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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-03 04:25:55 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-03 04:26:57 +0100 |
| commit | 52334f5be2ef31a5c836f689f3ab95b25bad026a (patch) | |
| tree | 56ca5a97d7d5f05c30572924e444fabde452acae | |
| parent | 491ca0e89ff9d3807f7514408ef912a608962163 (diff) | |
| download | ffmpeg-52334f5be2ef31a5c836f689f3ab95b25bad026a.tar.gz | |
tiff: print error for old style LZW
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/tiff.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c index e92967d01e..f70009785f 100644 --- a/libavcodec/tiff.c +++ b/libavcodec/tiff.c @@ -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; |