mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/exr: Fix undefined left shifts of negative numbers
Affected the FATE-tests exr-rgb-scanline-pxr24-half-uint32-13x9 and
exr-rgb-scanline-pxr24-uint32.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 8b0f949906
)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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@ -881,7 +881,7 @@ static int pxr24_uncompress(EXRContext *s, const uint8_t *src,
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in = ptr[3] + s->xdelta;
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for (j = 0; j < s->xdelta; ++j) {
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uint32_t diff = (*(ptr[0]++) << 24) |
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uint32_t diff = ((uint32_t)*(ptr[0]++) << 24) |
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(*(ptr[1]++) << 16) |
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(*(ptr[2]++) << 8 ) |
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(*(ptr[3]++));
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