dng spec 1.5.0.0
"BitsPerSample
Supported values are from 8 to 32 bits/sample. The depth must be the same for each sample if
SamplesPerPixel is not equal to 1."
Fixes: eg_crash
Found-by: 黄宁 <tsukimurarin@163.com>
Reviewed-by: Nick Renieris <velocityra@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
}
if (is_dng) {
+ int bps;
+
if (s->white_level == 0)
s->white_level = (1 << s->bpp) - 1; /* Default value as per the spec */
s->black_level, s->white_level);
return AVERROR_INVALIDDATA;
}
+
+ if (s->bpp % s->bppcount)
+ return AVERROR_INVALIDDATA;
+ bps = s->bpp / s->bppcount;
+ if (bps < 8 || bps > 32)
+ return AVERROR_INVALIDDATA;
}
if (!s->is_tiled && !s->strippos && !s->stripoff) {