register int i;
vector unsigned int altivec_vectorShiftInt19 =
vec_add(vec_splat_u32(10), vec_splat_u32(9));
- if ((unsigned int)dest % 16) {
+ if ((uintptr_t)dest % 16) {
/* badly aligned store, we force store alignment */
/* and will handle load misalignment on val w/ vec_perm */
vector unsigned char perm1;
vector signed int v1;
for (i = 0 ; (i < dstW) &&
- (((unsigned int)dest + i) % 16) ; i++) {
+ (((uintptr_t)dest + i) % 16) ; i++) {
int t = val[i] >> 19;
dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
}
}
}
+//FIXME remove the usage of scratch buffers.
static void
-yuv2yuvX_altivec_real(SwsContext *c,
- const int16_t *lumFilter, const int16_t **lumSrc,
- int lumFilterSize, const int16_t *chrFilter,
- const int16_t **chrUSrc, const int16_t **chrVSrc,
- int chrFilterSize, const int16_t **alpSrc,
- uint8_t *dest[4], int dstW, int chrDstW)
+yuv2planeX_altivec(const int16_t *filter, int filterSize,
+ const int16_t **src, uint8_t *dest, int dstW,
+ const uint8_t *dither, int offset)
{
- uint8_t *yDest = dest[0], *uDest = dest[1], *vDest = dest[2];
- const vector signed int vini = {(1 << 18), (1 << 18), (1 << 18), (1 << 18)};
register int i, j;
{
DECLARE_ALIGNED(16, int, val)[dstW];
- for (i = 0; i < (dstW -7); i+=4) {
- vec_st(vini, i << 2, val);
- }
- for (; i < dstW; i++) {
- val[i] = (1 << 18);
- }
+ for (i=0; i<dstW; i++)
+ val[i] = dither[(i + offset) & 7] << 12;
- for (j = 0; j < lumFilterSize; j++) {
- vector signed short l1, vLumFilter = vec_ld(j << 1, lumFilter);
- vector unsigned char perm, perm0 = vec_lvsl(j << 1, lumFilter);
+ for (j = 0; j < filterSize; j++) {
+ vector signed short l1, vLumFilter = vec_ld(j << 1, filter);
+ vector unsigned char perm, perm0 = vec_lvsl(j << 1, filter);
vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0);
vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter
- perm = vec_lvsl(0, lumSrc[j]);
- l1 = vec_ld(0, lumSrc[j]);
+ perm = vec_lvsl(0, src[j]);
+ l1 = vec_ld(0, src[j]);
for (i = 0; i < (dstW - 7); i+=8) {
int offset = i << 2;
- vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]);
+ vector signed short l2 = vec_ld((i << 1) + 16, src[j]);
vector signed int v1 = vec_ld(offset, val);
vector signed int v2 = vec_ld(offset + 16, val);
l1 = l2;
}
for ( ; i < dstW; i++) {
- val[i] += lumSrc[j][i] * lumFilter[j];
- }
- }
- altivec_packIntArrayToCharArray(val, yDest, dstW);
- }
- if (uDest != 0) {
- DECLARE_ALIGNED(16, int, u)[chrDstW];
- DECLARE_ALIGNED(16, int, v)[chrDstW];
-
- for (i = 0; i < (chrDstW -7); i+=4) {
- vec_st(vini, i << 2, u);
- vec_st(vini, i << 2, v);
- }
- for (; i < chrDstW; i++) {
- u[i] = (1 << 18);
- v[i] = (1 << 18);
- }
-
- for (j = 0; j < chrFilterSize; j++) {
- vector signed short l1, l1_V, vChrFilter = vec_ld(j << 1, chrFilter);
- vector unsigned char perm, perm0 = vec_lvsl(j << 1, chrFilter);
- vChrFilter = vec_perm(vChrFilter, vChrFilter, perm0);
- vChrFilter = vec_splat(vChrFilter, 0); // chrFilter[j] is loaded 8 times in vChrFilter
-
- perm = vec_lvsl(0, chrUSrc[j]);
- l1 = vec_ld(0, chrUSrc[j]);
- l1_V = vec_ld(0, chrVSrc[j]);
-
- for (i = 0; i < (chrDstW - 7); i+=8) {
- int offset = i << 2;
- vector signed short l2 = vec_ld((i << 1) + 16, chrUSrc[j]);
- vector signed short l2_V = vec_ld((i << 1) + 16, chrVSrc[j]);
-
- vector signed int v1 = vec_ld(offset, u);
- vector signed int v2 = vec_ld(offset + 16, u);
- vector signed int v1_V = vec_ld(offset, v);
- vector signed int v2_V = vec_ld(offset + 16, v);
-
- vector signed short ls = vec_perm(l1, l2, perm); // chrUSrc[j][i] ... chrUSrc[j][i+7]
- vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrVSrc[j][i] ... chrVSrc[j][i]
-
- vector signed int i1 = vec_mule(vChrFilter, ls);
- vector signed int i2 = vec_mulo(vChrFilter, ls);
- vector signed int i1_V = vec_mule(vChrFilter, ls_V);
- vector signed int i2_V = vec_mulo(vChrFilter, ls_V);
-
- vector signed int vf1 = vec_mergeh(i1, i2);
- vector signed int vf2 = vec_mergel(i1, i2); // chrUSrc[j][i] * chrFilter[j] ... chrUSrc[j][i+7] * chrFilter[j]
- vector signed int vf1_V = vec_mergeh(i1_V, i2_V);
- vector signed int vf2_V = vec_mergel(i1_V, i2_V); // chrVSrc[j][i] * chrFilter[j] ... chrVSrc[j][i+7] * chrFilter[j]
-
- vector signed int vo1 = vec_add(v1, vf1);
- vector signed int vo2 = vec_add(v2, vf2);
- vector signed int vo1_V = vec_add(v1_V, vf1_V);
- vector signed int vo2_V = vec_add(v2_V, vf2_V);
-
- vec_st(vo1, offset, u);
- vec_st(vo2, offset + 16, u);
- vec_st(vo1_V, offset, v);
- vec_st(vo2_V, offset + 16, v);
-
- l1 = l2;
- l1_V = l2_V;
- }
- for ( ; i < chrDstW; i++) {
- u[i] += chrUSrc[j][i] * chrFilter[j];
- v[i] += chrVSrc[j][i] * chrFilter[j];
+ val[i] += src[j][i] * filter[j];
}
}
- altivec_packIntArrayToCharArray(u, uDest, chrDstW);
- altivec_packIntArrayToCharArray(v, vDest, chrDstW);
+ altivec_packIntArrayToCharArray(val, dest, dstW);
}
}
vector unsigned char src_v1, src_vF;
vector signed short src_v, filter_v;
vector signed int val_vEven, val_s;
- if ((((int)src + srcPos)% 16) > 12) {
+ if ((((uintptr_t)src + srcPos) % 16) > 12) {
src_v1 = vec_ld(srcPos + 16, src);
}
src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
vector unsigned char src_v1, src_vF;
vector signed short src_v, filter_v;
vector signed int val_v, val_s;
- if ((((int)src + srcPos)% 16) > 8) {
+ if ((((uintptr_t)src + srcPos) % 16) > 8) {
src_v1 = vec_ld(srcPos + 16, src);
}
src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
//vector unsigned char src_v0 = vec_ld(srcPos + j, src);
vector unsigned char src_v1, src_vF;
vector signed short src_v, filter_v1R, filter_v;
- if ((((int)src + srcPos)% 16) > 8) {
+ if ((((uintptr_t)src + srcPos) % 16) > 8) {
src_v1 = vec_ld(srcPos + j + 16, src);
}
src_vF = vec_perm(src_v0, src_v1, permS);
if (!(av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC))
return;
- if (c->scalingBpp == 8) {
- c->hScale = hScale_altivec_real;
+ if (c->srcBpc == 8 && c->dstBpc <= 10) {
+ c->hyScale = c->hcScale = hScale_altivec_real;
}
if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) &&
dstFormat != PIX_FMT_NV12 && dstFormat != PIX_FMT_NV21 &&
!c->alpPixBuf) {
- c->yuv2yuvX = yuv2yuvX_altivec_real;
+ c->yuv2planeX = yuv2planeX_altivec;
}
/* The following list of supported dstFormat values should
projects / ffmpeg / blobdiff