extend97_int(p, i0, i1);
for (i = (i0 >> 1) - 1; i < (i1 >> 1) + 2; i++)
- p[2 * i] -= (I_LFTG_DELTA * (p[2 * i - 1] + p[2 * i + 1]) + (1 << 15)) >> 16;
+ p[2 * i] -= (I_LFTG_DELTA * (p[2 * i - 1] + (int64_t)p[2 * i + 1]) + (1 << 15)) >> 16;
/* step 4 */
for (i = (i0 >> 1) - 1; i < (i1 >> 1) + 1; i++)
- p[2 * i + 1] -= (I_LFTG_GAMMA * (p[2 * i] + p[2 * i + 2]) + (1 << 15)) >> 16;
+ p[2 * i + 1] -= (I_LFTG_GAMMA * (p[2 * i] + (int64_t)p[2 * i + 2]) + (1 << 15)) >> 16;
/*step 5*/
for (i = (i0 >> 1); i < (i1 >> 1) + 1; i++)
- p[2 * i] += (I_LFTG_BETA * (p[2 * i - 1] + p[2 * i + 1]) + (1 << 15)) >> 16;
+ p[2 * i] += (I_LFTG_BETA * (p[2 * i - 1] + (int64_t)p[2 * i + 1]) + (1 << 15)) >> 16;
/* step 6 */
for (i = (i0 >> 1); i < (i1 >> 1); i++)
- p[2 * i + 1] += (I_LFTG_ALPHA * (p[2 * i] + p[2 * i + 2]) + (1 << 15)) >> 16;
+ p[2 * i + 1] += (I_LFTG_ALPHA * (p[2 * i] + (int64_t)p[2 * i + 2]) + (1 << 15)) >> 16;
}
static void dwt_decode97_int(DWTContext *s, int32_t *t)
line += 5;
for (i = 0; i < w * h; i++)
- data[i] <<= I_PRESHIFT;
+ data[i] *= 1LL << I_PRESHIFT;
for (lev = 0; lev < s->ndeclevels; lev++) {
int lh = s->linelen[lev][0],