diff options
Diffstat (limited to 'libswscale/ppc')
-rw-r--r-- | libswscale/ppc/swscale_altivec_template.c | 545 | ||||
-rw-r--r-- | libswscale/ppc/yuv2rgb_altivec.c | 953 |
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 \ |