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tiffdec: only request EXTRASAMPLES w/> 3 samples/px

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Change-Id: I820e7de34e500c42ab51c97a70f25319807d58eb
This commit is contained in:
James Zern 2017-04-25 19:09:02 -07:00
parent f768218966
commit 97cce5ba83
1 changed files with 2 additions and 2 deletions
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4
imageio/tiffdec.c
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@ -193,8 +193,8 @@ int ReadTIFF(const uint8_t* const data, size_t data_size,
sizeof(*raster))) {
goto End;
}
if (!TIFFGetField(tif, TIFFTAG_EXTRASAMPLES,
&extra_samples, &extra_samples_ptr)) {
if (samples_per_px > 3 && !TIFFGetField(tif, TIFFTAG_EXTRASAMPLES,
&extra_samples, &extra_samples_ptr)) {
fprintf(stderr, "Error! Cannot retrieve TIFF ExtraSamples info.\n");
goto End;
}