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avcodec/h264: Fix undefined shifts in pack16to32() and pack8to16()

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Reported-by: Thierry Foucu <tfoucu@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-03-10 21:15:05 +01:00
parent 111456682f
commit eb7960b2bd
1 changed files with 2 additions and 2 deletions
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4
libavcodec/h264.h
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@ -949,7 +949,7 @@ static const uint8_t scan8[16 * 3 + 3] = {
0 + 0 * 8, 0 + 5 * 8, 0 + 10 * 8
};
static av_always_inline uint32_t pack16to32(int a, int b)
static av_always_inline uint32_t pack16to32(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFFFF) + (a << 16);
@ -958,7 +958,7 @@ static av_always_inline uint32_t pack16to32(int a, int b)
#endif
}
static av_always_inline uint16_t pack8to16(int a, int b)
static av_always_inline uint16_t pack8to16(unsigned a, unsigned b)
{
#if HAVE_BIGENDIAN
return (b & 0xFF) + (a << 8);