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
26 #include "img_format.h"
28 static int testFormat[]={
45 static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
49 //printf("%d %d\n", w, h);
53 int d= src1[x + y*stride1] - src2[x + y*stride2];
55 //printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 );
62 // test by ref -> src -> dst -> out & compare out against ref
64 static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
65 int srcW, int srcH, int dstW, int dstH, int flags){
69 int srcStride[3], dstStride[3];
71 uint64_t ssdY, ssdU, ssdV;
72 struct SwsContext *srcContext, *dstContext, *outContext;
75 // avoid stride % bpp != 0
76 if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24)
81 if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24)
86 src[i]= (uint8_t*) malloc(srcStride[i]*srcH);
87 dst[i]= (uint8_t*) malloc(dstStride[i]*dstH);
88 out[i]= (uint8_t*) malloc(refStride[i]*h);
91 srcContext= sws_getContext(w, h, IMGFMT_YV12, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
92 dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
93 outContext= sws_getContext(dstW, dstH, dstFormat, w, h, IMGFMT_YV12, flags, NULL, NULL, NULL);
94 if(srcContext==NULL ||dstContext==NULL ||outContext==NULL){
95 printf("Failed allocating swsContext\n");
98 // printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
99 // (int)src[0], (int)src[1], (int)src[2]);
101 sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
102 sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
103 sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
105 #if defined(ARCH_X86) || defined(ARCH_X86_64)
106 asm volatile ("emms\n\t");
109 ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
110 ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
111 ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
113 if(srcFormat == IMGFMT_Y800 || dstFormat==IMGFMT_Y800) ssdU=ssdV=0; //FIXME check that output is really gray
119 if(ssdY>100 || ssdU>100 || ssdV>100){
120 printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n",
121 sws_format_name(srcFormat), srcW, srcH,
122 sws_format_name(dstFormat), dstW, dstH,
129 sws_freeContext(srcContext);
130 sws_freeContext(dstContext);
131 sws_freeContext(outContext);
140 void mp_msg( int x, int y, const char *format, ... ){
142 va_start(va, format);
143 vfprintf(stderr, format, va);
147 void fast_memcpy(void *a, void *b, int s){ //FIXME
151 static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
152 int srcFormat, dstFormat, srcFormatIndex, dstFormatIndex;
153 int srcW, srcH, dstW, dstH;
156 for(srcFormatIndex=0; ;srcFormatIndex++){
157 srcFormat= testFormat[srcFormatIndex];
158 if(!srcFormat) break;
159 for(dstFormatIndex=0; ;dstFormatIndex++){
160 dstFormat= testFormat[dstFormatIndex];
161 if(!dstFormat) break;
162 // if(!isSupportedOut(dstFormat)) continue;
164 sws_format_name(srcFormat),
165 sws_format_name(dstFormat));
169 for(dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
170 for(dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
171 for(flags=1; flags<33; flags*=2)
172 doTest(src, stride, w, h, srcFormat, dstFormat,
173 srcW, srcH, dstW, dstH, flags);
183 int main(int argc, char **argv){
184 uint8_t rgb_data[W*H*4];
185 uint8_t *rgb_src[3]= {rgb_data, NULL, NULL};
186 int rgb_stride[3]={4*W, 0, 0};
187 uint8_t data[3][W*H];
188 uint8_t *src[3]= {data[0], data[1], data[2]};
189 int stride[3]={W, W, W};
191 struct SwsContext *sws;
193 sws= sws_getContext(W/12, H/12, IMGFMT_BGR32, W, H, IMGFMT_YV12, 2, NULL, NULL, NULL);
196 for(x=0; x<W*4; x++){
197 rgb_data[ x + y*4*W]= random();
200 #if defined(ARCH_X86) || defined(ARCH_X86_64)
201 sws_rgb2rgb_init(SWS_CPU_CAPS_MMX*0);
205 sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride);
207 #if defined(ARCH_X86) || defined(ARCH_X86_64)
208 asm volatile ("emms\n\t");
211 selfTest(src, stride, W, H);