From 04327ae83a40f93ea0cd4f7067ddc572745267dd Mon Sep 17 00:00:00 2001 From: diego Date: Sun, 29 Mar 2009 14:18:44 +0000 Subject: Move swscale AltiVec template code to ppc subdirectory. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29099 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libswscale/swscale_altivec_template.c | 538 ---------------------------------- 1 file changed, 538 deletions(-) delete mode 100644 libswscale/swscale_altivec_template.c (limited to 'libswscale/swscale_altivec_template.c') diff --git a/libswscale/swscale_altivec_template.c b/libswscale/swscale_altivec_template.c deleted file mode 100644 index 0bf620bc83..0000000000 --- a/libswscale/swscale_altivec_template.c +++ /dev/null @@ -1,538 +0,0 @@ -/* - * AltiVec-enhanced yuv2yuvX - * - * Copyright (C) 2004 Romain Dolbeau - * 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(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize, - 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; - { - int __attribute__ ((aligned (16))) 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) { - int __attribute__ ((aligned (16))) u[chrDstW]; - int __attribute__ ((aligned (16))) 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, uint8_t *src, int srcW, int xInc, int16_t *filter, int16_t *filterPos, int filterSize) { - register int i; - int __attribute__ ((aligned (16))) tempo[4]; - - if (filterSize % 4) { - for (i=0; i>7, (1<<15)-1); - } - } - else - switch (filterSize) { - case 4: - { - for (i=0; i 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 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>7, (1<<15)-1); - } - } - break; - - default: - { - for (i=0; i 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> 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> 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; -} -- cgit v1.2.3