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jpeg2000dwt: remove floats from mixed float/int 9/7 dwt

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This should fix some fate failures

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-28 09:30:28 +02:00
parent 3fc8500483
commit cf05fe8a7e
3 changed files with 22 additions and 22 deletions
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28
libavcodec/jpeg2000dwt.c
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@ -145,31 +145,31 @@ static void dwt_encode53(DWTContext *s, int *t)
}
}
static void sd_1d97(float *p, int i0, int i1)
static void sd_1d97_int(int *p, int i0, int i1)
{
int i;
if (i1 == i0 + 1)
return;
extend97_float(p, i0, i1);
extend97_int(p, i0, i1);
i0++; i1++;
for (i = i0/2 - 2; i < i1/2 + 1; i++)
p[2*i+1] -= 1.586134 * (p[2*i] + p[2*i+2]);
p[2 * i + 1] -= (I_LFTG_ALPHA * (p[2 * i] + p[2 * i + 2]) + (1 << 15)) >> 16;
for (i = i0/2 - 1; i < i1/2 + 1; i++)
p[2*i] -= 0.052980 * (p[2*i-1] + p[2*i+1]);
p[2 * i] -= (I_LFTG_BETA * (p[2 * i - 1] + p[2 * i + 1]) + (1 << 15)) >> 16;
for (i = i0/2 - 1; i < i1/2; i++)
p[2*i+1] += 0.882911 * (p[2*i] + p[2*i+2]);
p[2 * i + 1] += (I_LFTG_GAMMA * (p[2 * i] + p[2 * i + 2]) + (1 << 15)) >> 16;
for (i = i0/2; i < i1/2; i++)
p[2*i] += 0.443506 * (p[2*i-1] + p[2*i+1]);
p[2 * i] += (I_LFTG_DELTA * (p[2 * i - 1] + p[2 * i + 1]) + (1 << 15)) >> 16;
}
static void dwt_encode97_int(DWTContext *s, int *t)
{
int lev,
w = s->linelen[s->ndeclevels-1][0];
float *line = s->i_linebuf;
int *line = s->i_linebuf;
line += 5;
for (lev = s->ndeclevels-1; lev >= 0; lev--){
@ -178,7 +178,7 @@ static void dwt_encode97_int(DWTContext *s, int *t)
mh = s->mod[lev][0],
mv = s->mod[lev][1],
lp;
float *l;
int *l;
// HOR_SD
l = line + mh;
@ -188,13 +188,13 @@ static void dwt_encode97_int(DWTContext *s, int *t)
for (i = 0; i < lh; i++)
l[i] = t[w*lp + i];
sd_1d97(line, mh, mh + lh);
sd_1d97_int(line, mh, mh + lh);
// copy back and deinterleave
for (i = mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_X * l[i] / 2;
t[w*lp + j] = ((l[i] * I_LFTG_X) + (1 << 16)) >> 17;
for (i = 1-mh; i < lh; i+=2, j++)
t[w*lp + j] = F_LFTG_K * l[i] / 2;
t[w*lp + j] = ((l[i] * I_LFTG_K) + (1 << 16)) >> 17;
}
// VER_SD
@ -205,13 +205,13 @@ static void dwt_encode97_int(DWTContext *s, int *t)
for (i = 0; i < lv; i++)
l[i] = t[w*i + lp];
sd_1d97(line, mv, mv + lv);
sd_1d97_int(line, mv, mv + lv);
// copy back and deinterleave
for (i = mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_X * l[i] / 2;
t[w*j + lp] = ((l[i] * I_LFTG_X) + (1 << 16)) >> 17;
for (i = 1-mv; i < lv; i+=2, j++)
t[w*j + lp] = F_LFTG_K * l[i] / 2;
t[w*j + lp] = ((l[i] * I_LFTG_K) + (1 << 16)) >> 17;
}
}
}