[SCM] libav/experimental: mplayer idependant (not really yet) swscale example
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Jun 30 15:36:00 UTC 2013
The following commit has been merged in the experimental branch:
commit c9b99ea661656519981493e34ae4b55bf13a044b
Author: Michael Niedermayer <michaelni at gmx.at>
Date: Thu Apr 17 19:32:46 2003 +0000
mplayer idependant (not really yet) swscale example
Originally committed as revision 9922 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc
diff --git a/postproc/Makefile b/postproc/Makefile
index 6537ef7..deb1e9a 100644
--- a/postproc/Makefile
+++ b/postproc/Makefile
@@ -36,6 +36,8 @@ depend:
cs_test: $(CS_TEST_OBJS)
$(CC) $(CS_TEST_OBJS) -o cs_test
+swscale-example: swscale-example.o $(SWSLIB)
+ $(CC) swscale-example.o $(SWSLIB) ../cpudetect.o ../libmpcodecs/img_format.o -lm -o swscale-example -W -Wall
#
# include dependency files if they exist
#
diff --git a/postproc/swscale-example.c b/postproc/swscale-example.c
new file mode 100644
index 0000000..f83fe0c
--- /dev/null
+++ b/postproc/swscale-example.c
@@ -0,0 +1,204 @@
+/*
+ Copyright (C) 2003 Michael Niedermayer <michaelni at 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <inttypes.h>
+#include <stdarg.h>
+
+#include "swscale.h"
+#include "../libvo/img_format.h"
+#include "../cpudetect.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);
+ dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL);
+ outContext= sws_getContext(dstW, dstH, dstFormat, w, h, IMGFMT_YV12, flags, 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);
+asm volatile ("emms\n\t");
+
+ 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_c( int x, const char *format, ... ){
+ va_list va;
+ va_start(va, format);
+ vfprintf(stderr, format, va);
+ va_end(va);
+}
+
+int verbose=0; //FIXME
+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;
+ GetCpuCaps(&gCpuCaps);
+
+ sws= sws_getContext(W/12, H/12, IMGFMT_BGR32, W, H, IMGFMT_YV12, 2, NULL, NULL);
+
+ for(y=0; y<H; y++){
+ for(x=0; x<W*4; x++){
+ rgb_data[ x + y*4*W]= random();
+ }
+ }
+
+ sws_scale(sws, rgb_src, rgb_stride, 0, H , src, stride);
+asm volatile ("emms\n\t");
+ selfTest(src, stride, W, H);
+}
diff --git a/postproc/swscale.c b/postproc/swscale.c
index a3b20cf..910fa3f 100644
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -247,139 +247,6 @@ void in_asm_used_var_warning_killer()
}
#endif
-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;
-
- 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;
- }
- }
- 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;
- 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]= malloc(srcStride[i]*srcH);
- dst[i]= malloc(dstStride[i]*dstH);
- out[i]= malloc(refStride[i]*h);
- }
-
- srcContext= sws_getContext(w, h, IMGFMT_YV12, srcW, srcH, srcFormat, flags, NULL, NULL);
- dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL);
- outContext= sws_getContext(dstW, dstH, dstFormat, w, h, IMGFMT_YV12, flags, 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]);
-
- srcContext->swScale(srcContext, ref, refStride, 0, h , src, srcStride);
- dstContext->swScale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
- outContext->swScale(outContext, dst, dstStride, 0, dstH, out, refStride);
-
- 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(isGray(srcFormat) || isGray(dstFormat)) 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>50 || ssdV>50){
- 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]);
- }
-}
-
-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+w/3;
- srcH= h+h/3;
- for(dstW=w; dstW<w*2; dstW+= dstW/3){
- for(dstH=h; dstH<h*2; dstH+= dstH/3){
- for(flags=1; flags<33; flags*=2)
- doTest(src, stride, w, h, srcFormat, dstFormat,
- srcW, srcH, dstW, dstH, flags);
- }
- }
- }
- }
-}
-
static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
diff --git a/postproc/swscale_template.c b/postproc/swscale_template.c
index d3c7e1d..760a4dc 100644
--- a/postproc/swscale_template.c
+++ b/postproc/swscale_template.c
@@ -2005,6 +2005,7 @@ static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW
int16_t *filter, int16_t *filterPos, int filterSize)
{
#ifdef HAVE_MMX
+ assert(filterSize % 4 == 0 && filterSize>0);
if(filterSize==4) // allways true for upscaling, sometimes for down too
{
int counter= -2*dstW;
--
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