2 Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
25 #undef HAVE_AV_CONFIG_H
28 #include "swscale_internal.h"
31 static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
35 //printf("%d %d\n", w, h);
39 int d= src1[x + y*stride1] - src2[x + y*stride2];
41 //printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 );
48 // test by ref -> src -> dst -> out & compare out against ref
50 static int doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
51 int srcW, int srcH, int dstW, int dstH, int flags){
55 int srcStride[3], dstStride[3];
57 uint64_t ssdY, ssdU, ssdV;
58 struct SwsContext *srcContext, *dstContext, *outContext;
63 // avoid stride % bpp != 0
64 if(srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
69 if(dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
74 src[i]= (uint8_t*) malloc(srcStride[i]*srcH);
75 dst[i]= (uint8_t*) malloc(dstStride[i]*dstH);
76 out[i]= (uint8_t*) malloc(refStride[i]*h);
77 if ((src[i] == NULL) || (dst[i] == NULL) || (out[i] == NULL)) {
85 dstContext = outContext = NULL;
86 srcContext= sws_getContext(w, h, PIX_FMT_YUV420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
87 if (srcContext == NULL) {
88 fprintf(stderr, "Failed to get %s ---> %s\n",
89 sws_format_name(PIX_FMT_YUV420P),
90 sws_format_name(srcFormat));
95 dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
96 if (dstContext == NULL) {
97 fprintf(stderr, "Failed to get %s ---> %s\n",
98 sws_format_name(srcFormat),
99 sws_format_name(dstFormat));
104 outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUV420P, flags, NULL, NULL, NULL);
105 if (outContext == NULL) {
106 fprintf(stderr, "Failed to get %s ---> %s\n",
107 sws_format_name(dstFormat),
108 sws_format_name(PIX_FMT_YUV420P));
113 // printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
114 // (int)src[0], (int)src[1], (int)src[2]);
116 sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
117 sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
118 sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
120 #if defined(ARCH_X86) || defined(ARCH_X86_64)
121 asm volatile ("emms\n\t");
124 ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
125 ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
126 ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
128 if(srcFormat == PIX_FMT_GRAY8 || dstFormat==PIX_FMT_GRAY8) ssdU=ssdV=0; //FIXME check that output is really gray
134 if(ssdY>100 || ssdU>100 || ssdV>100){
135 printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n",
136 sws_format_name(srcFormat), srcW, srcH,
137 sws_format_name(dstFormat), dstW, dstH,
144 sws_freeContext(srcContext);
145 sws_freeContext(dstContext);
146 sws_freeContext(outContext);
157 void fast_memcpy(void *a, void *b, int s){ //FIXME
161 static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
162 enum PixelFormat srcFormat, dstFormat;
163 int srcW, srcH, dstW, dstH;
166 for(srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) {
167 for(dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) {
169 sws_format_name(srcFormat),
170 sws_format_name(dstFormat));
174 for(dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
175 for(dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
176 for(flags=1; flags<33; flags*=2) {
179 res = doTest(src, stride, w, h, srcFormat, dstFormat,
180 srcW, srcH, dstW, dstH, flags);
196 int main(int argc, char **argv){
197 uint8_t rgb_data[W*H*4];
198 uint8_t *rgb_src[3]= {rgb_data, NULL, NULL};
199 int rgb_stride[3]={4*W, 0, 0};
200 uint8_t data[3][W*H];
201 uint8_t *src[3]= {data[0], data[1], data[2]};
202 int stride[3]={W, W, W};
204 struct SwsContext *sws;
206 sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUV420P, 2, NULL, NULL, NULL);
209 for(x=0; x<W*4; x++){
210 rgb_data[ x + y*4*W]= random();
213 #if defined(ARCH_X86) || defined(ARCH_X86_64)
214 sws_rgb2rgb_init(SWS_CPU_CAPS_MMX*0);
218 sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride);
220 #if defined(ARCH_X86) || defined(ARCH_X86_64)
221 asm volatile ("emms\n\t");
224 selfTest(src, stride, W, H);