Libav 0.7.1
|
00001 /* 00002 * VIS optimized software YUV to RGB converter 00003 * Copyright (c) 2007 Denes Balatoni <dbalatoni@programozo.hu> 00004 * 00005 * This file is part of Libav. 00006 * 00007 * Libav is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * Libav is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with Libav; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #include <inttypes.h> 00023 #include <stdlib.h> 00024 00025 #include "libswscale/swscale.h" 00026 #include "libswscale/swscale_internal.h" 00027 00028 #define YUV2RGB_INIT \ 00029 "wr %%g0, 0x10, %%gsr \n\t" \ 00030 "ldd [%5], %%f32 \n\t" \ 00031 "ldd [%5+8], %%f34 \n\t" \ 00032 "ldd [%5+16], %%f36 \n\t" \ 00033 "ldd [%5+24], %%f38 \n\t" \ 00034 "ldd [%5+32], %%f40 \n\t" \ 00035 "ldd [%5+40], %%f42 \n\t" \ 00036 "ldd [%5+48], %%f44 \n\t" \ 00037 "ldd [%5+56], %%f46 \n\t" \ 00038 "ldd [%5+64], %%f48 \n\t" \ 00039 "ldd [%5+72], %%f50 \n\t" 00040 00041 #define YUV2RGB_KERNEL \ 00042 /* ^^^^ f0=Y f3=u f5=v */ \ 00043 "fmul8x16 %%f3, %%f48, %%f6 \n\t" \ 00044 "fmul8x16 %%f19, %%f48, %%f22 \n\t" \ 00045 "fmul8x16 %%f5, %%f44, %%f8 \n\t" \ 00046 "fmul8x16 %%f21, %%f44, %%f24 \n\t" \ 00047 "fmul8x16 %%f0, %%f42, %%f0 \n\t" \ 00048 "fmul8x16 %%f16, %%f42, %%f16 \n\t" \ 00049 "fmul8x16 %%f3, %%f50, %%f2 \n\t" \ 00050 "fmul8x16 %%f19, %%f50, %%f18 \n\t" \ 00051 "fmul8x16 %%f5, %%f46, %%f4 \n\t" \ 00052 "fmul8x16 %%f21, %%f46, %%f20 \n\t" \ 00053 \ 00054 "fpsub16 %%f6, %%f34, %%f6 \n\t" /* 1 */ \ 00055 "fpsub16 %%f22, %%f34, %%f22 \n\t" /* 1 */ \ 00056 "fpsub16 %%f8, %%f38, %%f8 \n\t" /* 3 */ \ 00057 "fpsub16 %%f24, %%f38, %%f24 \n\t" /* 3 */ \ 00058 "fpsub16 %%f0, %%f32, %%f0 \n\t" /* 0 */ \ 00059 "fpsub16 %%f16, %%f32, %%f16 \n\t" /* 0 */ \ 00060 "fpsub16 %%f2, %%f36, %%f2 \n\t" /* 2 */ \ 00061 "fpsub16 %%f18, %%f36, %%f18 \n\t" /* 2 */ \ 00062 "fpsub16 %%f4, %%f40, %%f4 \n\t" /* 4 */ \ 00063 "fpsub16 %%f20, %%f40, %%f20 \n\t" /* 4 */ \ 00064 \ 00065 "fpadd16 %%f0, %%f8, %%f8 \n\t" /* Gt */ \ 00066 "fpadd16 %%f16, %%f24, %%f24 \n\t" /* Gt */ \ 00067 "fpadd16 %%f0, %%f4, %%f4 \n\t" /* R */ \ 00068 "fpadd16 %%f16, %%f20, %%f20 \n\t" /* R */ \ 00069 "fpadd16 %%f0, %%f6, %%f6 \n\t" /* B */ \ 00070 "fpadd16 %%f16, %%f22, %%f22 \n\t" /* B */ \ 00071 "fpadd16 %%f8, %%f2, %%f2 \n\t" /* G */ \ 00072 "fpadd16 %%f24, %%f18, %%f18 \n\t" /* G */ \ 00073 \ 00074 "fpack16 %%f4, %%f4 \n\t" \ 00075 "fpack16 %%f20, %%f20 \n\t" \ 00076 "fpack16 %%f6, %%f6 \n\t" \ 00077 "fpack16 %%f22, %%f22 \n\t" \ 00078 "fpack16 %%f2, %%f2 \n\t" \ 00079 "fpack16 %%f18, %%f18 \n\t" 00080 00081 00082 00083 // FIXME: must be changed to set alpha to 255 instead of 0 00084 static int vis_420P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 00085 int srcSliceH, uint8_t* dst[], int dstStride[]) 00086 { 00087 int y, out1, out2, out3, out4, out5, out6; 00088 00089 for(y=0;y < srcSliceH;++y) { 00090 __asm__ volatile ( 00091 YUV2RGB_INIT 00092 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ 00093 "1: \n\t" 00094 "ldda [%1] %%asi, %%f2 \n\t" 00095 "ldda [%1+2] %%asi, %%f18 \n\t" 00096 "ldda [%2] %%asi, %%f4 \n\t" 00097 "ldda [%2+2] %%asi, %%f20 \n\t" 00098 "ld [%0], %%f0 \n\t" 00099 "ld [%0+4], %%f16 \n\t" 00100 "fpmerge %%f3, %%f3, %%f2 \n\t" 00101 "fpmerge %%f19, %%f19, %%f18 \n\t" 00102 "fpmerge %%f5, %%f5, %%f4 \n\t" 00103 "fpmerge %%f21, %%f21, %%f20 \n\t" 00104 YUV2RGB_KERNEL 00105 "fzero %%f0 \n\t" 00106 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 00107 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 00108 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 00109 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 00110 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb 00111 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb 00112 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb 00113 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb 00114 "std %%f4, [%3] \n\t" 00115 "std %%f20, [%3+16] \n\t" 00116 "std %%f6, [%3+8] \n\t" 00117 "std %%f22, [%3+24] \n\t" 00118 00119 "add %0, 8, %0 \n\t" 00120 "add %1, 4, %1 \n\t" 00121 "add %2, 4, %2 \n\t" 00122 "subcc %4, 8, %4 \n\t" 00123 "bne 1b \n\t" 00124 "add %3, 32, %3 \n\t" //delay slot 00125 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) 00126 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+((y+srcSliceY)>>1)*srcStride[1]), 00127 "2" (src[2]+((y+srcSliceY)>>1)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), 00128 "4" (c->dstW), 00129 "5" (c->sparc_coeffs) 00130 ); 00131 } 00132 00133 return srcSliceH; 00134 } 00135 00136 // FIXME: must be changed to set alpha to 255 instead of 0 00137 static int vis_422P_ARGB32(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY, 00138 int srcSliceH, uint8_t* dst[], int dstStride[]) 00139 { 00140 int y, out1, out2, out3, out4, out5, out6; 00141 00142 for(y=0;y < srcSliceH;++y) { 00143 __asm__ volatile ( 00144 YUV2RGB_INIT 00145 "wr %%g0, 0xd2, %%asi \n\t" /* ASI_FL16_P */ 00146 "1: \n\t" 00147 "ldda [%1] %%asi, %%f2 \n\t" 00148 "ldda [%1+2] %%asi, %%f18 \n\t" 00149 "ldda [%2] %%asi, %%f4 \n\t" 00150 "ldda [%2+2] %%asi, %%f20 \n\t" 00151 "ld [%0], %%f0 \n\t" 00152 "ld [%0+4], %%f16 \n\t" 00153 "fpmerge %%f3, %%f3, %%f2 \n\t" 00154 "fpmerge %%f19, %%f19, %%f18 \n\t" 00155 "fpmerge %%f5, %%f5, %%f4 \n\t" 00156 "fpmerge %%f21, %%f21, %%f20 \n\t" 00157 YUV2RGB_KERNEL 00158 "fzero %%f0 \n\t" 00159 "fpmerge %%f4, %%f6, %%f8 \n\t" // r,b,t1 00160 "fpmerge %%f20, %%f22, %%f24 \n\t" // r,b,t1 00161 "fpmerge %%f0, %%f2, %%f10 \n\t" // 0,g,t2 00162 "fpmerge %%f0, %%f18, %%f26 \n\t" // 0,g,t2 00163 "fpmerge %%f10, %%f8, %%f4 \n\t" // t2,t1,msb 00164 "fpmerge %%f26, %%f24, %%f20 \n\t" // t2,t1,msb 00165 "fpmerge %%f11, %%f9, %%f6 \n\t" // t2,t1,lsb 00166 "fpmerge %%f27, %%f25, %%f22 \n\t" // t2,t1,lsb 00167 "std %%f4, [%3] \n\t" 00168 "std %%f20, [%3+16] \n\t" 00169 "std %%f6, [%3+8] \n\t" 00170 "std %%f22, [%3+24] \n\t" 00171 00172 "add %0, 8, %0 \n\t" 00173 "add %1, 4, %1 \n\t" 00174 "add %2, 4, %2 \n\t" 00175 "subcc %4, 8, %4 \n\t" 00176 "bne 1b \n\t" 00177 "add %3, 32, %3 \n\t" //delay slot 00178 : "=r" (out1), "=r" (out2), "=r" (out3), "=r" (out4), "=r" (out5), "=r" (out6) 00179 : "0" (src[0]+(y+srcSliceY)*srcStride[0]), "1" (src[1]+(y+srcSliceY)*srcStride[1]), 00180 "2" (src[2]+(y+srcSliceY)*srcStride[2]), "3" (dst[0]+(y+srcSliceY)*dstStride[0]), 00181 "4" (c->dstW), 00182 "5" (c->sparc_coeffs) 00183 ); 00184 } 00185 00186 return srcSliceH; 00187 } 00188 00189 SwsFunc ff_yuv2rgb_init_vis(SwsContext *c) 00190 { 00191 c->sparc_coeffs[5]=c->yCoeff; 00192 c->sparc_coeffs[6]=c->vgCoeff; 00193 c->sparc_coeffs[7]=c->vrCoeff; 00194 c->sparc_coeffs[8]=c->ubCoeff; 00195 c->sparc_coeffs[9]=c->ugCoeff; 00196 00197 c->sparc_coeffs[0]=(((int16_t)c->yOffset*(int16_t)c->yCoeff >>11) & 0xffff) * 0x0001000100010001ULL; 00198 c->sparc_coeffs[1]=(((int16_t)c->uOffset*(int16_t)c->ubCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 00199 c->sparc_coeffs[2]=(((int16_t)c->uOffset*(int16_t)c->ugCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 00200 c->sparc_coeffs[3]=(((int16_t)c->vOffset*(int16_t)c->vgCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 00201 c->sparc_coeffs[4]=(((int16_t)c->vOffset*(int16_t)c->vrCoeff>>11) & 0xffff) * 0x0001000100010001ULL; 00202 00203 if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV422P && (c->dstW & 7)==0) { 00204 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV422P -> RGB32 (WARNING: alpha value is wrong)\n"); 00205 return vis_422P_ARGB32; 00206 } 00207 else if (c->dstFormat == PIX_FMT_RGB32 && c->srcFormat == PIX_FMT_YUV420P && (c->dstW & 7)==0) { 00208 av_log(c, AV_LOG_INFO, "SPARC VIS accelerated YUV420P -> RGB32 (WARNING: alpha value is wrong)\n"); 00209 return vis_420P_ARGB32; 00210 } 00211 return NULL; 00212 }