diff options
Diffstat (limited to 'libavcodec/dirac_dwt_template.c')
| -rw-r--r-- | libavcodec/dirac_dwt_template.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/dirac_dwt_template.c b/libavcodec/dirac_dwt_template.c index 2369c8d15b..5d55d932a1 100644 --- a/libavcodec/dirac_dwt_template.c +++ b/libavcodec/dirac_dwt_template.c @@ -190,15 +190,15 @@ static void RENAME(horizontal_compose_daub97i)(uint8_t *_b, uint8_t *_temp, int // second stage combined with interleave and shift b0 = b2 = COMPOSE_DAUB97iL0(temp[w2], temp[0], temp[w2]); - b[0] = (b0 + 1) >> 1; + b[0] = ~((~b0) >> 1); for (x = 1; x < w2; x++) { b2 = COMPOSE_DAUB97iL0(temp[x+w2-1], temp[x ], temp[x+w2]); b1 = COMPOSE_DAUB97iH0( b0, temp[x+w2-1], b2 ); - b[2*x-1] = (b1 + 1) >> 1; - b[2*x ] = (b2 + 1) >> 1; + b[2*x-1] = ~((~b1) >> 1); + b[2*x ] = ~((~b2) >> 1); b0 = b2; } - b[w-1] = (COMPOSE_DAUB97iH0(b2, temp[w-1], b2) + 1) >> 1; + b[w-1] = ~((~COMPOSE_DAUB97iH0(b2, temp[w-1], b2)) >> 1); } static void RENAME(vertical_compose_dirac53iH0)(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, |