#include "libavcodec/x86/dirac_dwt.h"
-static inline int mirror(int v, int m)
-{
- while ((unsigned)v > (unsigned)m) {
- v = -v;
- if (v < 0)
- v += 2 * m;
- }
- return v;
-}
-
static void vertical_compose53iL0(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2,
int width)
{
int y= cs->y;
IDWTELEM *b[4] = { cs->b[0], cs->b[1] };
- b[2] = d->buffer + mirror(y+1, height-1)*stride;
- b[3] = d->buffer + mirror(y+2, height-1)*stride;
+ b[2] = d->buffer + avpriv_mirror(y+1, height-1)*stride;
+ b[3] = d->buffer + avpriv_mirror(y+2, height-1)*stride;
if(y+1<(unsigned)height) vertical_compose_l0(b[1], b[2], b[3], width);
if(y+0<(unsigned)height) vertical_compose_h0(b[0], b[1], b[2], width);
IDWTELEM *b[6];
for (i = 0; i < 4; i++)
b[i] = cs->b[i];
- b[4] = d->buffer + mirror(y+3, height-1)*stride;
- b[5] = d->buffer + mirror(y+4, height-1)*stride;
+ b[4] = d->buffer + avpriv_mirror(y+3, height-1)*stride;
+ b[5] = d->buffer + avpriv_mirror(y+4, height-1)*stride;
if(y+3<(unsigned)height) vertical_compose_l1(b[3], b[4], b[5], width);
if(y+2<(unsigned)height) vertical_compose_h1(b[2], b[3], b[4], width);
static void spatial_compose97i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
{
- cs->b[0] = buffer + mirror(-3-1, height-1)*stride;
- cs->b[1] = buffer + mirror(-3 , height-1)*stride;
- cs->b[2] = buffer + mirror(-3+1, height-1)*stride;
- cs->b[3] = buffer + mirror(-3+2, height-1)*stride;
+ cs->b[0] = buffer + avpriv_mirror(-3-1, height-1)*stride;
+ cs->b[1] = buffer + avpriv_mirror(-3 , height-1)*stride;
+ cs->b[2] = buffer + avpriv_mirror(-3+1, height-1)*stride;
+ cs->b[3] = buffer + avpriv_mirror(-3+2, height-1)*stride;
cs->y = -3;
}
static void spatial_compose53i_init2(DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
{
- cs->b[0] = buffer + mirror(-1-1, height-1)*stride;
- cs->b[1] = buffer + mirror(-1 , height-1)*stride;
+ cs->b[0] = buffer + avpriv_mirror(-1-1, height-1)*stride;
+ cs->b[1] = buffer + avpriv_mirror(-1 , height-1)*stride;
cs->y = -1;
}