1/* 2 * VIS optimized software YUV to RGB converter 3 * Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#include <inttypes.h> 23#include <stdlib.h> 24 25#include "libswscale/swscale.h" 26#include "libswscale/swscale_internal.h" 27 28#define YUV2RGB_INIT \ 29 "wr %%g0, 0x10, %%gsr \n\t" \ 30 "ldd [%5], %%f32 \n\t" \ 31 "ldd [%5+8], %%f34 \n\t" \ 32 "ldd [%5+16], %%f36 \n\t" \ 33 "ldd [%5+24], %%f38 \n\t" \ 34 "ldd [%5+32], %%f40 \n\t" \ 35 "ldd [%5+40], %%f42 \n\t" \ 36 "ldd [%5+48], %%f44 \n\t" \ 37 "ldd [%5+56], %%f46 \n\t" \ 38 "ldd [%5+64], %%f48 \n\t" \ 39 "ldd [%5+72], %%f50 \n\t" 40 41#define YUV2RGB_KERNEL \ 42 /* ^^^^ f0=Y f3=u f5=v */ \ 43 "fmul8x16 %%f3, %%f48, %%f6 \n\t" \ 44 "fmul8x16 %%f19, %%f48, %%f22 \n\t" \ 45 "fmul8x16 %%f5, %%f44, %%f8 \n\t" \ 46 "fmul8x16 %%f21, %%f44, %%f24 \n\t" \ 47 "fmul8x16 %%f0, %%f42, %%f0 \n\t" \ 48 "fmul8x16 %%f16, %%f42, %%f16 \n\t" \ 49 "fmul8x16 %%f3, %%f50, %%f2 \n\t" \ 50 "fmul8x16 %%f19, %%f50, %%f18 \n\t" \ 51 "fmul8x16 %%f5, %%f46, %%f4 \n\t" \ 52 "fmul8x16 %%f21, %%f46, %%f20 \n\t" \ 53 \ 54 "fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \ 55 "fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \ 56 "fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \ 57 "fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \ 58 "fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \ 59 "fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \ 60 "fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \ 61 "fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \ 62 "fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \ 63 "fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \ 64 \ 65 "fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \ 66 "fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \ 67 "fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \ 68 "fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \ 69 "fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \ 70 "fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \ 71 "fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \ 72 "fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \ 73 \ 74 "fpack16 %%f4, %%f4 \n\t" \ 75 "fpack16 %%f20, %%f20 \n\t" \ 76 "fpack16 %%f6, %%f6 \n\t" \ 77 "fpack16 %%f22, %%f22 \n\t" \ 78 "fpack16 %%f2, %%f2 \n\t" \ 79 "fpack16 %%f18, %%f18 \n\t" 80 81 82 83// FIXME: must be changed to set alpha to 255 instead of 0 84static int vis_420P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 85 int srcSliceH, uint8_t* dst[], int dstStride[]) 86{ 87 int y, out1, out2, out3, out4, out5, out6; 88 89 for(y=0;y < srcSliceH;++y) { 90 __asm__ volatile ( 91 YUV2RGB_INIT 92 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ 93 "1: \n\t" 94 "ldda [%1] %%asi, %%f2 \n\t" 95 "ldda [%1+2] %%asi, %%f18 \n\t" 96 "ldda [%2] %%asi, %%f4 \n\t" 97 "ldda [%2+2] %%asi, %%f20 \n\t" 98 "ld [%0], %%f0 \n\t" 99 "ld [%0+4], %%f16 \n\t" 100 "fpmerge %%f3, %%f3, %%f2 \n\t" 101 "fpmerge %%f19, %%f19, %%f18 \n\t" 102 "fpmerge %%f5, %%f5, %%f4 \n\t" 103 "fpmerge %%f21, %%f21, %%f20 \n\t" 104 YUV2RGB_KERNEL 105 "fzero %%f0 \n\t" 106 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 107 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 108 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 109 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 110 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb 111 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb 112 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb 113 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb 114 "std %%f4, [%3] \n\t" 115 "std %%f20, [%3+16] \n\t" 116 "std %%f6, [%3+8] \n\t" 117 "std %%f22, [%3+24] \n\t" 118 119 "add %0, 8, %0 \n\t" 120 "add %1, 4, %1 \n\t" 121 "add %2, 4, %2 \n\t" 122 "subcc %4, 8, %4 \n\t" 123 "bne 1b \n\t" 124 "add %3, 32, %3 \n\t" //delay slot 125 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) 126 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+((y+srcSliceY)>>1)*srcStride[1]), 127 "2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), 128 "4" (c->dstW), 129 "5" (c->sparc_coeffs) 130 ); 131 } 132 133 return srcSliceH; 134} 135 136// FIXME: must be changed to set alpha to 255 instead of 0 137static int vis_422P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 138 int srcSliceH, uint8_t* dst[], int dstStride[]) 139{ 140 int y, out1, out2, out3, out4, out5, out6; 141 142 for(y=0;y < srcSliceH;++y) { 143 __asm__ volatile ( 144 YUV2RGB_INIT 145 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ 146 "1: \n\t" 147 "ldda [%1] %%asi, %%f2 \n\t" 148 "ldda [%1+2] %%asi, %%f18 \n\t" 149 "ldda [%2] %%asi, %%f4 \n\t" 150 "ldda [%2+2] %%asi, %%f20 \n\t" 151 "ld [%0], %%f0 \n\t" 152 "ld [%0+4], %%f16 \n\t" 153 "fpmerge %%f3, %%f3, %%f2 \n\t" 154 "fpmerge %%f19, %%f19, %%f18 \n\t" 155 "fpmerge %%f5, %%f5, %%f4 \n\t" 156 "fpmerge %%f21, %%f21, %%f20 \n\t" 157 YUV2RGB_KERNEL 158 "fzero %%f0 \n\t" 159 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 160 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 161 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 162 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 163 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb 164 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb 165 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb 166 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb 167 "std %%f4, [%3] \n\t" 168 "std %%f20, [%3+16] \n\t" 169 "std %%f6, [%3+8] \n\t" 170 "std %%f22, [%3+24] \n\t" 171 172 "add %0, 8, %0 \n\t" 173 "add %1, 4, %1 \n\t" 174 "add %2, 4, %2 \n\t" 175 "subcc %4, 8, %4 \n\t" 176 "bne 1b \n\t" 177 "add %3, 32, %3 \n\t" //delay slot 178 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) 179 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+(y+srcSliceY)*srcStride[1]), 180 "2" (src[2]+(y+srcSliceY)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), 181 "4" (c->dstW), 182 "5" (c->sparc_coeffs) 183 ); 184 } 185 186 return srcSliceH; 187} 188 189SwsFunc ff_yuv2rgb_init_vis(SwsContext *c) 190{ 191 c->sparc_coeffs[5]=c->yCoeff; 192 c->sparc_coeffs[6]=c->vgCoeff; 193 c->sparc_coeffs[7]=c->vrCoeff; 194 c->sparc_coeffs[8]=c->ubCoeff; 195 c->sparc_coeffs[9]=c->ugCoeff; 196 197 c->sparc_coeffs[0]=(((int16_t)c->yOffset*(int16_t)c->yCoeff >>11) & 0xffff) * 0x0001000100010001ULL; 198 c->sparc_coeffs[1]=(((int16_t)c->uOffset*(int16_t)c->ubCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 199 c->sparc_coeffs[2]=(((int16_t)c->uOffset*(int16_t)c->ugCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 200 c->sparc_coeffs[3]=(((int16_t)c->vOffset*(int16_t)c->vgCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 201 c->sparc_coeffs[4]=(((int16_t)c->vOffset*(int16_t)c->vrCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 202 203 if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7)==0) { 204 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV422P -> RGB32 (WARNING: alpha value is wrong)\n"); 205 return vis_422P_ARGB32; 206 } 207 else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7)==0) { 208 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32 (WARNING: alpha value is wrong)\n"); 209 return vis_420P_ARGB32; 210 } 211 return NULL; 212} 213