*/
#include <inttypes.h>
+
#include "config.h"
#include "libswscale/swscale.h"
#include "libswscale/swscale_internal.h"
+#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "yuv2rgb_altivec.h"
#define vzero vec_splat_s32(0)
-static inline void
-altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW)
+#define yuv2planeX_8(d1, d2, l1, src, x, perm, filter) do { \
+ vector signed short l2 = vec_ld(((x) << 1) + 16, src); \
+ vector signed short ls = vec_perm(l1, l2, perm); \
+ vector signed int i1 = vec_mule(filter, ls); \
+ vector signed int i2 = vec_mulo(filter, ls); \
+ vector signed int vf1 = vec_mergeh(i1, i2); \
+ vector signed int vf2 = vec_mergel(i1, i2); \
+ d1 = vec_add(d1, vf1); \
+ d2 = vec_add(d2, vf2); \
+ l1 = l2; \
+ } while (0)
+
+static void yuv2planeX_16_altivec(const int16_t *filter, int filterSize,
+ const int16_t **src, uint8_t *dest,
+ const uint8_t *dither, int offset, int x)
{
- register int i;
+ register int i, j;
+ DECLARE_ALIGNED(16, int, val)[16];
+ vector signed int vo1, vo2, vo3, vo4;
+ vector unsigned short vs1, vs2;
+ vector unsigned char vf;
vector unsigned int altivec_vectorShiftInt19 =
vec_add(vec_splat_u32(10), vec_splat_u32(9));
- if ((unsigned int)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++) {
- int t = val[i] >> 19;
- dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
- }
- perm1 = vec_lvsl(i << 2, val);
- v1 = vec_ld(i << 2, val);
- for ( ; i < (dstW - 15); i+=16) {
- int offset = i << 2;
- vector signed int v2 = vec_ld(offset + 16, val);
- vector signed int v3 = vec_ld(offset + 32, val);
- vector signed int v4 = vec_ld(offset + 48, val);
- vector signed int v5 = vec_ld(offset + 64, val);
- vector signed int v12 = vec_perm(v1, v2, perm1);
- vector signed int v23 = vec_perm(v2, v3, perm1);
- vector signed int v34 = vec_perm(v3, v4, perm1);
- vector signed int v45 = vec_perm(v4, v5, perm1);
-
- vector signed int vA = vec_sra(v12, altivec_vectorShiftInt19);
- vector signed int vB = vec_sra(v23, altivec_vectorShiftInt19);
- vector signed int vC = vec_sra(v34, altivec_vectorShiftInt19);
- vector signed int vD = vec_sra(v45, altivec_vectorShiftInt19);
- vector unsigned short vs1 = vec_packsu(vA, vB);
- vector unsigned short vs2 = vec_packsu(vC, vD);
- vector unsigned char vf = vec_packsu(vs1, vs2);
- vec_st(vf, i, dest);
- v1 = v5;
- }
- } else { // dest is properly aligned, great
- for (i = 0; i < (dstW - 15); i+=16) {
- int offset = i << 2;
- vector signed int v1 = vec_ld(offset, val);
- vector signed int v2 = vec_ld(offset + 16, val);
- vector signed int v3 = vec_ld(offset + 32, val);
- vector signed int v4 = vec_ld(offset + 48, val);
- vector signed int v5 = vec_sra(v1, altivec_vectorShiftInt19);
- vector signed int v6 = vec_sra(v2, altivec_vectorShiftInt19);
- vector signed int v7 = vec_sra(v3, altivec_vectorShiftInt19);
- vector signed int v8 = vec_sra(v4, altivec_vectorShiftInt19);
- vector unsigned short vs1 = vec_packsu(v5, v6);
- vector unsigned short vs2 = vec_packsu(v7, v8);
- vector unsigned char vf = vec_packsu(vs1, vs2);
- vec_st(vf, i, dest);
- }
- }
- for ( ; i < dstW ; i++) {
- int t = val[i] >> 19;
- dest[i] = (t < 0) ? 0 : ((t > 255) ? 255 : t);
- }
-}
-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)
-{
- 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 (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);
- vLumFilter = vec_perm(vLumFilter, vLumFilter, perm0);
- vLumFilter = vec_splat(vLumFilter, 0); // lumFilter[j] is loaded 8 times in vLumFilter
+ for (i = 0; i < 16; i++)
+ val[i] = dither[(x + i + offset) & 7] << 12;
- perm = vec_lvsl(0, lumSrc[j]);
- l1 = vec_ld(0, lumSrc[j]);
+ vo1 = vec_ld(0, val);
+ vo2 = vec_ld(16, val);
+ vo3 = vec_ld(32, val);
+ vo4 = vec_ld(48, val);
- for (i = 0; i < (dstW - 7); i+=8) {
- int offset = i << 2;
- vector signed short l2 = vec_ld((i << 1) + 16, lumSrc[j]);
+ 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
- vector signed int v1 = vec_ld(offset, val);
- vector signed int v2 = vec_ld(offset + 16, val);
+ perm = vec_lvsl(x << 1, src[j]);
+ l1 = vec_ld(x << 1, src[j]);
- vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7]
+ yuv2planeX_8(vo1, vo2, l1, src[j], x, perm, vLumFilter);
+ yuv2planeX_8(vo3, vo4, l1, src[j], x + 8, perm, vLumFilter);
+ }
- vector signed int i1 = vec_mule(vLumFilter, ls);
- vector signed int i2 = vec_mulo(vLumFilter, ls);
+ vo1 = vec_sra(vo1, altivec_vectorShiftInt19);
+ vo2 = vec_sra(vo2, altivec_vectorShiftInt19);
+ vo3 = vec_sra(vo3, altivec_vectorShiftInt19);
+ vo4 = vec_sra(vo4, altivec_vectorShiftInt19);
+ vs1 = vec_packsu(vo1, vo2);
+ vs2 = vec_packsu(vo3, vo4);
+ vf = vec_packsu(vs1, vs2);
+ vec_st(vf, 0, dest);
+}
- vector signed int vf1 = vec_mergeh(i1, i2);
- vector signed int vf2 = vec_mergel(i1, i2); // lumSrc[j][i] * lumFilter[j] ... lumSrc[j][i+7] * lumFilter[j]
+static inline void yuv2planeX_u(const int16_t *filter, int filterSize,
+ const int16_t **src, uint8_t *dest, int dstW,
+ const uint8_t *dither, int offset, int x)
+{
+ int i, j;
- vector signed int vo1 = vec_add(v1, vf1);
- vector signed int vo2 = vec_add(v2, vf2);
+ for (i = x; i < dstW; i++) {
+ int t = dither[(i + offset) & 7] << 12;
+ for (j = 0; j < filterSize; j++)
+ t += src[j][i] * filter[j];
+ dest[i] = av_clip_uint8(t >> 19);
+ }
+}
- vec_st(vo1, offset, val);
- vec_st(vo2, offset + 16, val);
+static void yuv2planeX_altivec(const int16_t *filter, int filterSize,
+ const int16_t **src, uint8_t *dest, int dstW,
+ const uint8_t *dither, int offset)
+{
+ int dst_u = -(uintptr_t)dest & 15;
+ int i;
- 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];
+ yuv2planeX_u(filter, filterSize, src, dest, dst_u, dither, offset, 0);
- 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 (i = dst_u; i < dstW - 15; i += 16)
+ yuv2planeX_16_altivec(filter, filterSize, src, dest + i, dither,
+ offset, i);
- 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];
- }
- }
- altivec_packIntArrayToCharArray(u, uDest, chrDstW);
- altivec_packIntArrayToCharArray(v, vDest, chrDstW);
- }
+ yuv2planeX_u(filter, filterSize, src, dest, dstW, dither, offset, i);
}
-static void hScale_altivec_real(int16_t *dst, int dstW,
+static void hScale_altivec_real(SwsContext *c, int16_t *dst, int dstW,
const uint8_t *src, const int16_t *filter,
- const int16_t *filterPos, int filterSize)
+ const int32_t *filterPos, int filterSize)
{
register int i;
DECLARE_ALIGNED(16, int, tempo)[4];
if (filterSize % 4) {
- for (i=0; i<dstW; i++) {
+ for (i = 0; i < dstW; i++) {
register int j;
register int srcPos = filterPos[i];
- register int val = 0;
- for (j=0; j<filterSize; j++) {
- val += ((int)src[srcPos + j])*filter[filterSize*i + j];
- }
- dst[i] = FFMIN(val>>7, (1<<15)-1);
+ register int val = 0;
+ for (j = 0; j < filterSize; j++)
+ val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
+ dst[i] = FFMIN(val >> 7, (1 << 15) - 1);
}
- }
- else
- switch (filterSize) {
- case 4:
- {
- for (i=0; i<dstW; i++) {
- register int srcPos = filterPos[i];
-
- vector unsigned char src_v0 = vec_ld(srcPos, src);
- 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) {
- src_v1 = vec_ld(srcPos + 16, src);
- }
- src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
-
- src_v = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
- // now put our elements in the even slots
- src_v = vec_mergeh(src_v, (vector signed short)vzero);
-
- filter_v = vec_ld(i << 3, filter);
- // The 3 above is 2 (filterSize == 4) + 1 (sizeof(short) == 2).
-
- // The neat trick: We only care for half the elements,
- // high or low depending on (i<<3)%16 (it's 0 or 8 here),
- // and we're going to use vec_mule, so we choose
- // carefully how to "unpack" the elements into the even slots.
- if ((i << 3) % 16)
- filter_v = vec_mergel(filter_v, (vector signed short)vzero);
- else
- filter_v = vec_mergeh(filter_v, (vector signed short)vzero);
-
- val_vEven = vec_mule(src_v, filter_v);
- val_s = vec_sums(val_vEven, vzero);
- vec_st(val_s, 0, tempo);
- dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
- }
- }
- break;
-
- case 8:
- {
- for (i=0; i<dstW; i++) {
- register int srcPos = filterPos[i];
-
- vector unsigned char src_v0 = vec_ld(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) {
- src_v1 = vec_ld(srcPos + 16, src);
- }
- src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
-
- src_v = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
- filter_v = vec_ld(i << 4, filter);
- // the 4 above is 3 (filterSize == 8) + 1 (sizeof(short) == 2)
-
- val_v = vec_msums(src_v, filter_v, (vector signed int)vzero);
- val_s = vec_sums(val_v, vzero);
- vec_st(val_s, 0, tempo);
- dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
- }
- }
- break;
-
- case 16:
- {
- for (i=0; i<dstW; i++) {
- register int srcPos = filterPos[i];
-
- vector unsigned char src_v0 = vec_ld(srcPos, src);
- vector unsigned char src_v1 = vec_ld(srcPos + 16, src);
- vector unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
-
- vector signed short src_vA = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
- vector signed short src_vB = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF));
-
- vector signed short filter_v0 = vec_ld(i << 5, filter);
- vector signed short filter_v1 = vec_ld((i << 5) + 16, filter);
- // the 5 above are 4 (filterSize == 16) + 1 (sizeof(short) == 2)
-
- vector signed int val_acc = vec_msums(src_vA, filter_v0, (vector signed int)vzero);
- vector signed int val_v = vec_msums(src_vB, filter_v1, val_acc);
-
- vector signed int val_s = vec_sums(val_v, vzero);
-
- vec_st(val_s, 0, tempo);
- dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
- }
- }
- break;
-
- default:
- {
- for (i=0; i<dstW; i++) {
- register int j;
- register int srcPos = filterPos[i];
-
- vector signed int val_s, val_v = (vector signed int)vzero;
- vector signed short filter_v0R = vec_ld(i * 2 * filterSize, filter);
- vector unsigned char permF = vec_lvsl((i * 2 * filterSize), filter);
+ } else
+ switch (filterSize) {
+ case 4:
+ for (i = 0; i < dstW; i++) {
+ register int srcPos = filterPos[i];
+
+ vector unsigned char src_v0 = vec_ld(srcPos, src);
+ vector unsigned char src_v1, src_vF;
+ vector signed short src_v, filter_v;
+ vector signed int val_vEven, val_s;
+ 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));
+
+ src_v = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
+ // now put our elements in the even slots
+ src_v = vec_mergeh(src_v, (vector signed short)vzero);
+
+ filter_v = vec_ld(i << 3, filter);
+ // The 3 above is 2 (filterSize == 4) + 1 (sizeof(short) == 2).
+
+ // The neat trick: We only care for half the elements,
+ // high or low depending on (i<<3)%16 (it's 0 or 8 here),
+ // and we're going to use vec_mule, so we choose
+ // carefully how to "unpack" the elements into the even slots.
+ if ((i << 3) % 16)
+ filter_v = vec_mergel(filter_v, (vector signed short)vzero);
+ else
+ filter_v = vec_mergeh(filter_v, (vector signed short)vzero);
+
+ val_vEven = vec_mule(src_v, filter_v);
+ val_s = vec_sums(val_vEven, vzero);
+ vec_st(val_s, 0, tempo);
+ dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1);
+ }
+ break;
+
+ case 8:
+ for (i = 0; i < dstW; i++) {
+ register int srcPos = filterPos[i];
+
+ vector unsigned char src_v0 = vec_ld(srcPos, src);
+ vector unsigned char src_v1, src_vF;
+ vector signed short src_v, filter_v;
+ vector signed int val_v, val_s;
+ 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));
+
+ src_v = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
+ filter_v = vec_ld(i << 4, filter);
+ // the 4 above is 3 (filterSize == 8) + 1 (sizeof(short) == 2)
+
+ val_v = vec_msums(src_v, filter_v, (vector signed int)vzero);
+ val_s = vec_sums(val_v, vzero);
+ vec_st(val_s, 0, tempo);
+ dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1);
+ }
+ break;
- vector unsigned char src_v0 = vec_ld(srcPos, src);
- vector unsigned char permS = vec_lvsl(srcPos, src);
+ case 16:
+ for (i = 0; i < dstW; i++) {
+ register int srcPos = filterPos[i];
- for (j = 0 ; j < filterSize - 15; j += 16) {
- vector unsigned char src_v1 = vec_ld(srcPos + j + 16, src);
- vector unsigned char src_vF = vec_perm(src_v0, src_v1, permS);
+ vector unsigned char src_v0 = vec_ld(srcPos, src);
+ vector unsigned char src_v1 = vec_ld(srcPos + 16, src);
+ vector unsigned char src_vF = vec_perm(src_v0, src_v1, vec_lvsl(srcPos, src));
- vector signed short src_vA = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
- vector signed short src_vB = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF));
+ vector signed short src_vA = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
+ vector signed short src_vB = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF));
- vector signed short filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
- vector signed short filter_v2R = vec_ld((i * 2 * filterSize) + (j * 2) + 32, filter);
- vector signed short filter_v0 = vec_perm(filter_v0R, filter_v1R, permF);
- vector signed short filter_v1 = vec_perm(filter_v1R, filter_v2R, permF);
+ vector signed short filter_v0 = vec_ld(i << 5, filter);
+ vector signed short filter_v1 = vec_ld((i << 5) + 16, filter);
+ // the 5 above are 4 (filterSize == 16) + 1 (sizeof(short) == 2)
- vector signed int val_acc = vec_msums(src_vA, filter_v0, val_v);
- val_v = vec_msums(src_vB, filter_v1, val_acc);
+ vector signed int val_acc = vec_msums(src_vA, filter_v0, (vector signed int)vzero);
+ vector signed int val_v = vec_msums(src_vB, filter_v1, val_acc);
- filter_v0R = filter_v2R;
- src_v0 = src_v1;
- }
+ vector signed int val_s = vec_sums(val_v, vzero);
- if (j < filterSize-7) {
- // loading src_v0 is useless, it's already done above
- //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) {
- src_v1 = vec_ld(srcPos + j + 16, src);
+ vec_st(val_s, 0, tempo);
+ dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1);
+ }
+ break;
+
+ default:
+ for (i = 0; i < dstW; i++) {
+ register int j;
+ register int srcPos = filterPos[i];
+
+ vector signed int val_s, val_v = (vector signed int)vzero;
+ vector signed short filter_v0R = vec_ld(i * 2 * filterSize, filter);
+ vector unsigned char permF = vec_lvsl((i * 2 * filterSize), filter);
+
+ vector unsigned char src_v0 = vec_ld(srcPos, src);
+ vector unsigned char permS = vec_lvsl(srcPos, src);
+
+ for (j = 0; j < filterSize - 15; j += 16) {
+ vector unsigned char src_v1 = vec_ld(srcPos + j + 16, src);
+ vector unsigned char src_vF = vec_perm(src_v0, src_v1, permS);
+
+ vector signed short src_vA = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
+ vector signed short src_vB = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergel((vector unsigned char)vzero, src_vF));
+
+ vector signed short filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
+ vector signed short filter_v2R = vec_ld((i * 2 * filterSize) + (j * 2) + 32, filter);
+ vector signed short filter_v0 = vec_perm(filter_v0R, filter_v1R, permF);
+ vector signed short filter_v1 = vec_perm(filter_v1R, filter_v2R, permF);
+
+ vector signed int val_acc = vec_msums(src_vA, filter_v0, val_v);
+ val_v = vec_msums(src_vB, filter_v1, val_acc);
+
+ filter_v0R = filter_v2R;
+ src_v0 = src_v1;
+ }
+
+ if (j < filterSize - 7) {
+ // loading src_v0 is useless, it's already done above
+ // 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 ((((uintptr_t)src + srcPos) % 16) > 8) {
+ src_v1 = vec_ld(srcPos + j + 16, src);
+ }
+ src_vF = vec_perm(src_v0, src_v1, permS);
+
+ src_v = // vec_unpackh sign-extends...
+ (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
+ // loading filter_v0R is useless, it's already done above
+ // vector signed short filter_v0R = vec_ld((i * 2 * filterSize) + j, filter);
+ filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
+ filter_v = vec_perm(filter_v0R, filter_v1R, permF);
+
+ val_v = vec_msums(src_v, filter_v, val_v);
+ }
+
+ val_s = vec_sums(val_v, vzero);
+
+ vec_st(val_s, 0, tempo);
+ dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1);
}
- src_vF = vec_perm(src_v0, src_v1, permS);
-
- src_v = // vec_unpackh sign-extends...
- (vector signed short)(vec_mergeh((vector unsigned char)vzero, src_vF));
- // loading filter_v0R is useless, it's already done above
- //vector signed short filter_v0R = vec_ld((i * 2 * filterSize) + j, filter);
- filter_v1R = vec_ld((i * 2 * filterSize) + (j * 2) + 16, filter);
- filter_v = vec_perm(filter_v0R, filter_v1R, permF);
-
- val_v = vec_msums(src_v, filter_v, val_v);
}
-
- val_s = vec_sums(val_v, vzero);
-
- vec_st(val_s, 0, tempo);
- dst[i] = FFMIN(tempo[3]>>7, (1<<15)-1);
- }
-
- }
- }
}
-void ff_sws_init_swScale_altivec(SwsContext *c)
+av_cold void ff_sws_init_swScale_altivec(SwsContext *c)
{
- enum PixelFormat dstFormat = c->dstFormat;
+ enum AVPixelFormat dstFormat = c->dstFormat;
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 &&
+ dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
!c->alpPixBuf) {
- c->yuv2yuvX = yuv2yuvX_altivec_real;
+ c->yuv2planeX = yuv2planeX_altivec;
}
/* The following list of supported dstFormat values should
* match what's found in the body of ff_yuv2packedX_altivec() */
if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->alpPixBuf) {
switch (c->dstFormat) {
- case PIX_FMT_ABGR: c->yuv2packedX = ff_yuv2abgr_X_altivec; break;
- case PIX_FMT_BGRA: c->yuv2packedX = ff_yuv2bgra_X_altivec; break;
- case PIX_FMT_ARGB: c->yuv2packedX = ff_yuv2argb_X_altivec; break;
- case PIX_FMT_RGBA: c->yuv2packedX = ff_yuv2rgba_X_altivec; break;
- case PIX_FMT_BGR24: c->yuv2packedX = ff_yuv2bgr24_X_altivec; break;
- case PIX_FMT_RGB24: c->yuv2packedX = ff_yuv2rgb24_X_altivec; break;
+ case AV_PIX_FMT_ABGR:
+ c->yuv2packedX = ff_yuv2abgr_X_altivec;
+ break;
+ case AV_PIX_FMT_BGRA:
+ c->yuv2packedX = ff_yuv2bgra_X_altivec;
+ break;
+ case AV_PIX_FMT_ARGB:
+ c->yuv2packedX = ff_yuv2argb_X_altivec;
+ break;
+ case AV_PIX_FMT_RGBA:
+ c->yuv2packedX = ff_yuv2rgba_X_altivec;
+ break;
+ case AV_PIX_FMT_BGR24:
+ c->yuv2packedX = ff_yuv2bgr24_X_altivec;
+ break;
+ case AV_PIX_FMT_RGB24:
+ c->yuv2packedX = ff_yuv2rgb24_X_altivec;
+ break;
}
}
}
projects / ffmpeg / blobdiff