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-rw-r--r--libswscale/ppc/swscale_altivec_template.c545
-rw-r--r--libswscale/ppc/yuv2rgb_altivec.c953
2 files changed, 0 insertions, 1498 deletions
diff --git a/libswscale/ppc/swscale_altivec_template.c b/libswscale/ppc/swscale_altivec_template.c
deleted file mode 100644
index a438e4cb37..0000000000
--- a/libswscale/ppc/swscale_altivec_template.c
+++ /dev/null
@@ -1,545 +0,0 @@
-/*
- * AltiVec-enhanced yuv2yuvX
- *
- * Copyright (C) 2004 Romain Dolbeau <romain@dolbeau.org>
- * based on the equivalent C code in swscale.c
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#define vzero vec_splat_s32(0)
-
-static inline void
-altivec_packIntArrayToCharArray(int *val, uint8_t* dest, int dstW)
-{
- register int i;
- vector unsigned int altivec_vectorShiftInt19 =
- vec_add(vec_splat_u32(10), vec_splat_u32(9));
- if ((unsigned long)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 long)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 inline void
-yuv2yuvX_altivec_real(const int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
- const int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
- uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
-{
- 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
-
- perm = vec_lvsl(0, lumSrc[j]);
- l1 = vec_ld(0, lumSrc[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 int v1 = vec_ld(offset, val);
- vector signed int v2 = vec_ld(offset + 16, val);
-
- vector signed short ls = vec_perm(l1, l2, perm); // lumSrc[j][i] ... lumSrc[j][i+7]
-
- vector signed int i1 = vec_mule(vLumFilter, ls);
- vector signed int i2 = vec_mulo(vLumFilter, ls);
-
- 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]
-
- vector signed int vo1 = vec_add(v1, vf1);
- vector signed int vo2 = vec_add(v2, vf2);
-
- vec_st(vo1, offset, val);
- vec_st(vo2, offset + 16, val);
-
- l1 = l2;
- }
- for ( ; i < dstW; i++) {
- val[i] += lumSrc[j][i] * lumFilter[j];
- }
- }
- altivec_packIntArrayToCharArray(val, dest, 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, chrSrc[j]);
- l1 = vec_ld(0, chrSrc[j]);
- l1_V = vec_ld(2048 << 1, chrSrc[j]);
-
- for (i = 0; i < (chrDstW - 7); i+=8) {
- int offset = i << 2;
- vector signed short l2 = vec_ld((i << 1) + 16, chrSrc[j]);
- vector signed short l2_V = vec_ld(((i + 2048) << 1) + 16, chrSrc[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); // chrSrc[j][i] ... chrSrc[j][i+7]
- vector signed short ls_V = vec_perm(l1_V, l2_V, perm); // chrSrc[j][i+2048] ... chrSrc[j][i+2055]
-
- 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); // chrSrc[j][i] * chrFilter[j] ... chrSrc[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); // chrSrc[j][i] * chrFilter[j] ... chrSrc[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] += chrSrc[j][i] * chrFilter[j];
- v[i] += chrSrc[j][i + 2048] * chrFilter[j];
- }
- }
- altivec_packIntArrayToCharArray(u, uDest, chrDstW);
- altivec_packIntArrayToCharArray(v, vDest, chrDstW);
- }
-}
-
-static inline void hScale_altivec_real(int16_t *dst, int dstW,
- const uint8_t *src, int srcW,
- int xInc, const int16_t *filter,
- const int16_t *filterPos, int filterSize)
-{
- register int i;
- DECLARE_ALIGNED(16, int, tempo)[4];
-
- if (filterSize % 4) {
- 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);
- }
- }
- 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);
-
- 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 ((((int)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);
- }
-
- }
- }
-}
-
-static inline int yv12toyuy2_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride_a[])
-{
- uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY;
- // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
- uint8_t *ysrc = src[0];
- uint8_t *usrc = src[1];
- uint8_t *vsrc = src[2];
- const int width = c->srcW;
- const int height = srcSliceH;
- const int lumStride = srcStride[0];
- const int chromStride = srcStride[1];
- const int dstStride = dstStride_a[0];
- const vector unsigned char yperm = vec_lvsl(0, ysrc);
- const int vertLumPerChroma = 2;
- register unsigned int y;
-
- if (width&15) {
- yv12toyuy2(ysrc, usrc, vsrc, dst, c->srcW, srcSliceH, lumStride, chromStride, dstStride);
- return srcSliceH;
- }
-
- /* This code assumes:
-
- 1) dst is 16 bytes-aligned
- 2) dstStride is a multiple of 16
- 3) width is a multiple of 16
- 4) lum & chrom stride are multiples of 8
- */
-
- for (y=0; y<height; y++) {
- int i;
- for (i = 0; i < width - 31; i+= 32) {
- const unsigned int j = i >> 1;
- vector unsigned char v_yA = vec_ld(i, ysrc);
- vector unsigned char v_yB = vec_ld(i + 16, ysrc);
- vector unsigned char v_yC = vec_ld(i + 32, ysrc);
- vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm);
- vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm);
- vector unsigned char v_uA = vec_ld(j, usrc);
- vector unsigned char v_uB = vec_ld(j + 16, usrc);
- vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc));
- vector unsigned char v_vA = vec_ld(j, vsrc);
- vector unsigned char v_vB = vec_ld(j + 16, vsrc);
- vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc));
- vector unsigned char v_uv_a = vec_mergeh(v_u, v_v);
- vector unsigned char v_uv_b = vec_mergel(v_u, v_v);
- vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a);
- vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a);
- vector unsigned char v_yuy2_2 = vec_mergeh(v_y2, v_uv_b);
- vector unsigned char v_yuy2_3 = vec_mergel(v_y2, v_uv_b);
- vec_st(v_yuy2_0, (i << 1), dst);
- vec_st(v_yuy2_1, (i << 1) + 16, dst);
- vec_st(v_yuy2_2, (i << 1) + 32, dst);
- vec_st(v_yuy2_3, (i << 1) + 48, dst);
- }
- if (i < width) {
- const unsigned int j = i >> 1;
- vector unsigned char v_y1 = vec_ld(i, ysrc);
- vector unsigned char v_u = vec_ld(j, usrc);
- vector unsigned char v_v = vec_ld(j, vsrc);
- vector unsigned char v_uv_a = vec_mergeh(v_u, v_v);
- vector unsigned char v_yuy2_0 = vec_mergeh(v_y1, v_uv_a);
- vector unsigned char v_yuy2_1 = vec_mergel(v_y1, v_uv_a);
- vec_st(v_yuy2_0, (i << 1), dst);
- vec_st(v_yuy2_1, (i << 1) + 16, dst);
- }
- if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
- usrc += chromStride;
- vsrc += chromStride;
- }
- ysrc += lumStride;
- dst += dstStride;
- }
-
- return srcSliceH;
-}
-
-static inline int yv12touyvy_unscaled_altivec(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
- int srcSliceH, uint8_t* dstParam[], int dstStride_a[])
-{
- uint8_t *dst=dstParam[0] + dstStride_a[0]*srcSliceY;
- // yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0], srcStride[1], dstStride[0]);
- uint8_t *ysrc = src[0];
- uint8_t *usrc = src[1];
- uint8_t *vsrc = src[2];
- const int width = c->srcW;
- const int height = srcSliceH;
- const int lumStride = srcStride[0];
- const int chromStride = srcStride[1];
- const int dstStride = dstStride_a[0];
- const int vertLumPerChroma = 2;
- const vector unsigned char yperm = vec_lvsl(0, ysrc);
- register unsigned int y;
-
- if (width&15) {
- yv12touyvy(ysrc, usrc, vsrc, dst, c->srcW, srcSliceH, lumStride, chromStride, dstStride);
- return srcSliceH;
- }
-
- /* This code assumes:
-
- 1) dst is 16 bytes-aligned
- 2) dstStride is a multiple of 16
- 3) width is a multiple of 16
- 4) lum & chrom stride are multiples of 8
- */
-
- for (y=0; y<height; y++) {
- int i;
- for (i = 0; i < width - 31; i+= 32) {
- const unsigned int j = i >> 1;
- vector unsigned char v_yA = vec_ld(i, ysrc);
- vector unsigned char v_yB = vec_ld(i + 16, ysrc);
- vector unsigned char v_yC = vec_ld(i + 32, ysrc);
- vector unsigned char v_y1 = vec_perm(v_yA, v_yB, yperm);
- vector unsigned char v_y2 = vec_perm(v_yB, v_yC, yperm);
- vector unsigned char v_uA = vec_ld(j, usrc);
- vector unsigned char v_uB = vec_ld(j + 16, usrc);
- vector unsigned char v_u = vec_perm(v_uA, v_uB, vec_lvsl(j, usrc));
- vector unsigned char v_vA = vec_ld(j, vsrc);
- vector unsigned char v_vB = vec_ld(j + 16, vsrc);
- vector unsigned char v_v = vec_perm(v_vA, v_vB, vec_lvsl(j, vsrc));
- vector unsigned char v_uv_a = vec_mergeh(v_u, v_v);
- vector unsigned char v_uv_b = vec_mergel(v_u, v_v);
- vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1);
- vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1);
- vector unsigned char v_uyvy_2 = vec_mergeh(v_uv_b, v_y2);
- vector unsigned char v_uyvy_3 = vec_mergel(v_uv_b, v_y2);
- vec_st(v_uyvy_0, (i << 1), dst);
- vec_st(v_uyvy_1, (i << 1) + 16, dst);
- vec_st(v_uyvy_2, (i << 1) + 32, dst);
- vec_st(v_uyvy_3, (i << 1) + 48, dst);
- }
- if (i < width) {
- const unsigned int j = i >> 1;
- vector unsigned char v_y1 = vec_ld(i, ysrc);
- vector unsigned char v_u = vec_ld(j, usrc);
- vector unsigned char v_v = vec_ld(j, vsrc);
- vector unsigned char v_uv_a = vec_mergeh(v_u, v_v);
- vector unsigned char v_uyvy_0 = vec_mergeh(v_uv_a, v_y1);
- vector unsigned char v_uyvy_1 = vec_mergel(v_uv_a, v_y1);
- vec_st(v_uyvy_0, (i << 1), dst);
- vec_st(v_uyvy_1, (i << 1) + 16, dst);
- }
- if ((y&(vertLumPerChroma-1)) == vertLumPerChroma-1) {
- usrc += chromStride;
- vsrc += chromStride;
- }
- ysrc += lumStride;
- dst += dstStride;
- }
- return srcSliceH;
-}
diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c
deleted file mode 100644
index be26647498..0000000000
--- a/libswscale/ppc/yuv2rgb_altivec.c
+++ /dev/null
@@ -1,953 +0,0 @@
-/*
- * AltiVec acceleration for colorspace conversion
- *
- * copyright (C) 2004 Marc Hoffman <marc.hoffman@analog.com>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/*
-Convert I420 YV12 to RGB in various formats,
- it rejects images that are not in 420 formats,
- it rejects images that don't have widths of multiples of 16,
- it rejects images that don't have heights of multiples of 2.
-Reject defers to C simulation code.
-
-Lots of optimizations to be done here.
-
-1. Need to fix saturation code. I just couldn't get it to fly with packs
- and adds, so we currently use max/min to clip.
-
-2. The inefficient use of chroma loading needs a bit of brushing up.
-
-3. Analysis of pipeline stalls needs to be done. Use shark to identify
- pipeline stalls.
-
-
-MODIFIED to calculate coeffs from currently selected color space.
-MODIFIED core to be a macro where you specify the output format.
-ADDED UYVY conversion which is never called due to some thing in swscale.
-CORRECTED algorithim selection to be strict on input formats.
-ADDED runtime detection of AltiVec.
-
-ADDED altivec_yuv2packedX vertical scl + RGB converter
-
-March 27,2004
-PERFORMANCE ANALYSIS
-
-The C version uses 25% of the processor or ~250Mips for D1 video rawvideo
-used as test.
-The AltiVec version uses 10% of the processor or ~100Mips for D1 video
-same sequence.
-
-720 * 480 * 30 ~10MPS
-
-so we have roughly 10 clocks per pixel. This is too high, something has
-to be wrong.
-
-OPTIMIZED clip codes to utilize vec_max and vec_packs removing the
-need for vec_min.
-
-OPTIMIZED DST OUTPUT cache/DMA controls. We are pretty much guaranteed to have
-the input video frame, it was just decompressed so it probably resides in L1
-caches. However, we are creating the output video stream. This needs to use the
-DSTST instruction to optimize for the cache. We couple this with the fact that
-we are not going to be visiting the input buffer again so we mark it Least
-Recently Used. This shaves 25% of the processor cycles off.
-
-Now memcpy is the largest mips consumer in the system, probably due
-to the inefficient X11 stuff.
-
-GL libraries seem to be very slow on this machine 1.33Ghz PB running
-Jaguar, this is not the case for my 1Ghz PB. I thought it might be
-a versioning issue, however I have libGL.1.2.dylib for both
-machines. (We need to figure this out now.)
-
-GL2 libraries work now with patch for RGB32.
-
-NOTE: quartz vo driver ARGB32_to_RGB24 consumes 30% of the processor.
-
-Integrated luma prescaling adjustment for saturation/contrast/brightness
-adjustment.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <assert.h>
-#include "config.h"
-#include "libswscale/rgb2rgb.h"
-#include "libswscale/swscale.h"
-#include "libswscale/swscale_internal.h"
-
-#undef PROFILE_THE_BEAST
-#undef INC_SCALING
-
-typedef unsigned char ubyte;
-typedef signed char sbyte;
-
-
-/* RGB interleaver, 16 planar pels 8-bit samples per channel in
- homogeneous vector registers x0,x1,x2 are interleaved with the
- following technique:
-
- o0 = vec_mergeh (x0,x1);
- o1 = vec_perm (o0, x2, perm_rgb_0);
- o2 = vec_perm (o0, x2, perm_rgb_1);
- o3 = vec_mergel (x0,x1);
- o4 = vec_perm (o3,o2,perm_rgb_2);
- o5 = vec_perm (o3,o2,perm_rgb_3);
-
- perm_rgb_0: o0(RG).h v1(B) --> o1*
- 0 1 2 3 4
- rgbr|gbrg|brgb|rgbr
- 0010 0100 1001 0010
- 0102 3145 2673 894A
-
- perm_rgb_1: o0(RG).h v1(B) --> o2
- 0 1 2 3 4
- gbrg|brgb|bbbb|bbbb
- 0100 1001 1111 1111
- B5CD 6EF7 89AB CDEF
-
- perm_rgb_2: o3(RG).l o2(rgbB.l) --> o4*
- 0 1 2 3 4
- gbrg|brgb|rgbr|gbrg
- 1111 1111 0010 0100
- 89AB CDEF 0182 3945
-
- perm_rgb_2: o3(RG).l o2(rgbB.l) ---> o5*
- 0 1 2 3 4
- brgb|rgbr|gbrg|brgb
- 1001 0010 0100 1001
- a67b 89cA BdCD eEFf
-
-*/
-static
-const vector unsigned char
- perm_rgb_0 = {0x00,0x01,0x10,0x02,0x03,0x11,0x04,0x05,
- 0x12,0x06,0x07,0x13,0x08,0x09,0x14,0x0a},
- perm_rgb_1 = {0x0b,0x15,0x0c,0x0d,0x16,0x0e,0x0f,0x17,
- 0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f},
- perm_rgb_2 = {0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,
- 0x00,0x01,0x18,0x02,0x03,0x19,0x04,0x05},
- perm_rgb_3 = {0x1a,0x06,0x07,0x1b,0x08,0x09,0x1c,0x0a,
- 0x0b,0x1d,0x0c,0x0d,0x1e,0x0e,0x0f,0x1f};
-
-#define vec_merge3(x2,x1,x0,y0,y1,y2) \
-do { \
- __typeof__(x0) o0,o2,o3; \
- o0 = vec_mergeh (x0,x1); \
- y0 = vec_perm (o0, x2, perm_rgb_0); \
- o2 = vec_perm (o0, x2, perm_rgb_1); \
- o3 = vec_mergel (x0,x1); \
- y1 = vec_perm (o3,o2,perm_rgb_2); \
- y2 = vec_perm (o3,o2,perm_rgb_3); \
-} while(0)
-
-#define vec_mstbgr24(x0,x1,x2,ptr) \
-do { \
- __typeof__(x0) _0,_1,_2; \
- vec_merge3 (x0,x1,x2,_0,_1,_2); \
- vec_st (_0, 0, ptr++); \
- vec_st (_1, 0, ptr++); \
- vec_st (_2, 0, ptr++); \
-} while (0)
-
-#define vec_mstrgb24(x0,x1,x2,ptr) \
-do { \
- __typeof__(x0) _0,_1,_2; \
- vec_merge3 (x2,x1,x0,_0,_1,_2); \
- vec_st (_0, 0, ptr++); \
- vec_st (_1, 0, ptr++); \
- vec_st (_2, 0, ptr++); \
-} while (0)
-
-/* pack the pixels in rgb0 format
- msb R
- lsb 0
-*/
-#define vec_mstrgb32(T,x0,x1,x2,x3,ptr) \
-do { \
- T _0,_1,_2,_3; \
- _0 = vec_mergeh (x0,x1); \
- _1 = vec_mergeh (x2,x3); \
- _2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \
- _3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \
- vec_st (_2, 0*16, (T *)ptr); \
- vec_st (_3, 1*16, (T *)ptr); \
- _0 = vec_mergel (x0,x1); \
- _1 = vec_mergel (x2,x3); \
- _2 = (T)vec_mergeh ((vector unsigned short)_0,(vector unsigned short)_1); \
- _3 = (T)vec_mergel ((vector unsigned short)_0,(vector unsigned short)_1); \
- vec_st (_2, 2*16, (T *)ptr); \
- vec_st (_3, 3*16, (T *)ptr); \
- ptr += 4; \
-} while (0)
-
-/*
-
- | 1 0 1.4021 | | Y |
- | 1 -0.3441 -0.7142 |x| Cb|
- | 1 1.7718 0 | | Cr|
-
-
- Y: [-128 127]
- Cb/Cr : [-128 127]
-
- typical yuv conversion work on Y: 0-255 this version has been optimized for jpeg decode.
-
-*/
-
-
-
-
-#define vec_unh(x) \
- (vector signed short) \
- vec_perm(x,(__typeof__(x)){0}, \
- ((vector unsigned char){0x10,0x00,0x10,0x01,0x10,0x02,0x10,0x03,\
- 0x10,0x04,0x10,0x05,0x10,0x06,0x10,0x07}))
-#define vec_unl(x) \
- (vector signed short) \
- vec_perm(x,(__typeof__(x)){0}, \
- ((vector unsigned char){0x10,0x08,0x10,0x09,0x10,0x0A,0x10,0x0B,\
- 0x10,0x0C,0x10,0x0D,0x10,0x0E,0x10,0x0F}))
-
-#define vec_clip_s16(x) \
- vec_max (vec_min (x, ((vector signed short){235,235,235,235,235,235,235,235})), \
- ((vector signed short){ 16, 16, 16, 16, 16, 16, 16, 16}))
-
-#define vec_packclp(x,y) \
- (vector unsigned char)vec_packs \
- ((vector unsigned short)vec_max (x,((vector signed short) {0})), \
- (vector unsigned short)vec_max (y,((vector signed short) {0})))
-
-//#define out_pixels(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){255}),a,a,a,ptr)
-
-
-static inline void cvtyuvtoRGB (SwsContext *c,
- vector signed short Y, vector signed short U, vector signed short V,
- vector signed short *R, vector signed short *G, vector signed short *B)
-{
- vector signed short vx,ux,uvx;
-
- Y = vec_mradds (Y, c->CY, c->OY);
- U = vec_sub (U,(vector signed short)
- vec_splat((vector signed short){128},0));
- V = vec_sub (V,(vector signed short)
- vec_splat((vector signed short){128},0));
-
- // ux = (CBU*(u<<c->CSHIFT)+0x4000)>>15;
- ux = vec_sl (U, c->CSHIFT);
- *B = vec_mradds (ux, c->CBU, Y);
-
- // vx = (CRV*(v<<c->CSHIFT)+0x4000)>>15;
- vx = vec_sl (V, c->CSHIFT);
- *R = vec_mradds (vx, c->CRV, Y);
-
- // uvx = ((CGU*u) + (CGV*v))>>15;
- uvx = vec_mradds (U, c->CGU, Y);
- *G = vec_mradds (V, c->CGV, uvx);
-}
-
-
-/*
- ------------------------------------------------------------------------------
- CS converters
- ------------------------------------------------------------------------------
-*/
-
-
-#define DEFCSP420_CVT(name,out_pixels) \
-static int altivec_##name (SwsContext *c, \
- unsigned char **in, int *instrides, \
- int srcSliceY, int srcSliceH, \
- unsigned char **oplanes, int *outstrides) \
-{ \
- int w = c->srcW; \
- int h = srcSliceH; \
- int i,j; \
- int instrides_scl[3]; \
- vector unsigned char y0,y1; \
- \
- vector signed char u,v; \
- \
- vector signed short Y0,Y1,Y2,Y3; \
- vector signed short U,V; \
- vector signed short vx,ux,uvx; \
- vector signed short vx0,ux0,uvx0; \
- vector signed short vx1,ux1,uvx1; \
- vector signed short R0,G0,B0; \
- vector signed short R1,G1,B1; \
- vector unsigned char R,G,B; \
- \
- vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \
- vector unsigned char align_perm; \
- \
- vector signed short \
- lCY = c->CY, \
- lOY = c->OY, \
- lCRV = c->CRV, \
- lCBU = c->CBU, \
- lCGU = c->CGU, \
- lCGV = c->CGV; \
- \
- vector unsigned short lCSHIFT = c->CSHIFT; \
- \
- ubyte *y1i = in[0]; \
- ubyte *y2i = in[0]+instrides[0]; \
- ubyte *ui = in[1]; \
- ubyte *vi = in[2]; \
- \
- vector unsigned char *oute \
- = (vector unsigned char *) \
- (oplanes[0]+srcSliceY*outstrides[0]); \
- vector unsigned char *outo \