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-rw-r--r--postproc/swscale-example.c216
1 files changed, 0 insertions, 216 deletions
diff --git a/postproc/swscale-example.c b/postproc/swscale-example.c
deleted file mode 100644
index f8e0ef4e8e..0000000000
--- a/postproc/swscale-example.c
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <inttypes.h>
-#include <stdarg.h>
-
-#include "config.h"
-
-#include "swscale.h"
-#include "libvo/img_format.h"
-
-static int testFormat[]={
-IMGFMT_YVU9,
-IMGFMT_YV12,
-//IMGFMT_IYUV,
-IMGFMT_I420,
-IMGFMT_BGR15,
-IMGFMT_BGR16,
-IMGFMT_BGR24,
-IMGFMT_BGR32,
-IMGFMT_RGB24,
-IMGFMT_RGB32,
-//IMGFMT_Y8,
-IMGFMT_Y800,
-//IMGFMT_YUY2,
-0
-};
-
-static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){
- int x,y;
- uint64_t ssd=0;
-
-//printf("%d %d\n", w, h);
-
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int d= src1[x + y*stride1] - src2[x + y*stride2];
- ssd+= d*d;
-//printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 );
- }
-//printf("\n");
- }
- return ssd;
-}
-
-// test by ref -> src -> dst -> out & compare out against ref
-// ref & out are YV12
-static void doTest(uint8_t *ref[3], int refStride[3], int w, int h, int srcFormat, int dstFormat,
- int srcW, int srcH, int dstW, int dstH, int flags){
- uint8_t *src[3];
- uint8_t *dst[3];
- uint8_t *out[3];
- int srcStride[3], dstStride[3];
- int i;
- uint64_t ssdY, ssdU, ssdV;
- struct SwsContext *srcContext, *dstContext, *outContext;
-
- for(i=0; i<3; i++){
- // avoid stride % bpp != 0
- if(srcFormat==IMGFMT_RGB24 || srcFormat==IMGFMT_BGR24)
- srcStride[i]= srcW*3;
- else
- srcStride[i]= srcW*4;
-
- if(dstFormat==IMGFMT_RGB24 || dstFormat==IMGFMT_BGR24)
- dstStride[i]= dstW*3;
- else
- dstStride[i]= dstW*4;
-
- src[i]= (uint8_t*) malloc(srcStride[i]*srcH);
- dst[i]= (uint8_t*) malloc(dstStride[i]*dstH);
- out[i]= (uint8_t*) malloc(refStride[i]*h);
- }
-
- srcContext= sws_getContext(w, h, IMGFMT_YV12, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
- dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
- outContext= sws_getContext(dstW, dstH, dstFormat, w, h, IMGFMT_YV12, flags, NULL, NULL, NULL);
- if(srcContext==NULL ||dstContext==NULL ||outContext==NULL){
- printf("Failed allocating swsContext\n");
- goto end;
- }
-// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
-// (int)src[0], (int)src[1], (int)src[2]);
-
- sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
- sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
- sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
-
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
- asm volatile ("emms\n\t");
-#endif
-
- ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
- ssdU= getSSD(ref[1], out[1], refStride[1], refStride[1], (w+1)>>1, (h+1)>>1);
- ssdV= getSSD(ref[2], out[2], refStride[2], refStride[2], (w+1)>>1, (h+1)>>1);
-
- if(srcFormat == IMGFMT_Y800 || dstFormat==IMGFMT_Y800) ssdU=ssdV=0; //FIXME check that output is really gray
-
- ssdY/= w*h;
- ssdU/= w*h/4;
- ssdV/= w*h/4;
-
- if(ssdY>100 || ssdU>100 || ssdV>100){
- printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n",
- vo_format_name(srcFormat), srcW, srcH,
- vo_format_name(dstFormat), dstW, dstH,
- flags,
- ssdY, ssdU, ssdV);
- }
-
- end:
-
- sws_freeContext(srcContext);
- sws_freeContext(dstContext);
- sws_freeContext(outContext);
-
- for(i=0; i<3; i++){
- free(src[i]);
- free(dst[i]);
- free(out[i]);
- }
-}
-
-void mp_msg( int x, int y, const char *format, ... ){
- va_list va;
- va_start(va, format);
- vfprintf(stderr, format, va);
- va_end(va);
-}
-
-void fast_memcpy(void *a, void *b, int s){ //FIXME
- memcpy(a, b, s);
-}
-
-static void selfTest(uint8_t *src[3], int stride[3], int w, int h){
- int srcFormat, dstFormat, srcFormatIndex, dstFormatIndex;
- int srcW, srcH, dstW, dstH;
- int flags;
-
- for(srcFormatIndex=0; ;srcFormatIndex++){
- srcFormat= testFormat[srcFormatIndex];
- if(!srcFormat) break;
- for(dstFormatIndex=0; ;dstFormatIndex++){
- dstFormat= testFormat[dstFormatIndex];
- if(!dstFormat) break;
-// if(!isSupportedOut(dstFormat)) continue;
-printf("%s -> %s\n",
- vo_format_name(srcFormat),
- vo_format_name(dstFormat));
-
- srcW= w;
- srcH= h;
- for(dstW=w - w/3; dstW<= 4*w/3; dstW+= w/3){
- for(dstH=h - h/3; dstH<= 4*h/3; dstH+= h/3){
- for(flags=1; flags<33; flags*=2)
- doTest(src, stride, w, h, srcFormat, dstFormat,
- srcW, srcH, dstW, dstH, flags);
- }
- }
- }
- }
-}
-
-#define W 96
-#define H 96
-
-int main(int argc, char **argv){
- uint8_t rgb_data[W*H*4];
- uint8_t *rgb_src[3]= {rgb_data, NULL, NULL};
- int rgb_stride[3]={4*W, 0, 0};
- uint8_t data[3][W*H];
- uint8_t *src[3]= {data[0], data[1], data[2]};
- int stride[3]={W, W, W};
- int x, y;
- struct SwsContext *sws;
-
- sws= sws_getContext(W/12, H/12, IMGFMT_BGR32, W, H, IMGFMT_YV12, 2, NULL, NULL, NULL);
-
- for(y=0; y<H; y++){
- for(x=0; x<W*4; x++){
- rgb_data[ x + y*4*W]= random();
- }
- }
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
- sws_rgb2rgb_init(SWS_CPU_CAPS_MMX*0);
-#else
- sws_rgb2rgb_init(0);
-#endif
- sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride);
-
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
- asm volatile ("emms\n\t");
-#endif
-
- selfTest(src, stride, W, H);
-
- return 123;
-}