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avcodec/dsputil: fix signedness in sizeof() comparissions

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 454a11a1c9c686c78aa97954306fb63453299760)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-08-30 23:40:47 +02:00
parent f9225c2884
commit b51c4df35b
1 changed files with 3 additions and 3 deletions
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6
libavcodec/dsputil.c
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@ -3217,7 +3217,7 @@ static void clear_blocks_c(DCTELEM *blocks)
static void add_bytes_c(uint8_t *dst, uint8_t *src, int w){
long i;
for(i=0; i<=w-sizeof(long); i+=sizeof(long)){
for(i=0; i<=w-(int)sizeof(long); i+=sizeof(long)){
long a = *(long*)(src+i);
long b = *(long*)(dst+i);
*(long*)(dst+i) = ((a&pb_7f) + (b&pb_7f)) ^ ((a^b)&pb_80);
@ -3228,7 +3228,7 @@ static void add_bytes_c(uint8_t *dst, uint8_t *src, int w){
static void add_bytes_l2_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
long i;
for(i=0; i<=w-sizeof(long); i+=sizeof(long)){
for(i=0; i<=w-(int)sizeof(long); i+=sizeof(long)){
long a = *(long*)(src1+i);
long b = *(long*)(src2+i);
*(long*)(dst+i) = ((a&pb_7f) + (b&pb_7f)) ^ ((a^b)&pb_80);
@ -3253,7 +3253,7 @@ static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w){
}
}else
#endif
for(i=0; i<=w-sizeof(long); i+=sizeof(long)){
for(i=0; i<=w-(int)sizeof(long); i+=sizeof(long)){
long a = *(long*)(src1+i);
long b = *(long*)(src2+i);
*(long*)(dst+i) = ((a|pb_80) - (b&pb_7f)) ^ ((a^b^pb_80)&pb_80);