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void testImageStripeYUV(int size, VSFrameInfo* fi, VSFrame* img){
int i,j;
vsFrameInfoInit(fi, size, 4, PF_YUV420P);
vsFrameAllocate(img,fi);
memset(img->data[0],100,sizeof(uint8_t)*fi->width*fi->height);
for(j=0; j<fi->height; j++){
for(i=0; i<size; i++){
img->data[0][i+j*img->linesize[0]]= sin(((double)i)/size/(double)j)*128+128;
}
}
memset(img->data[1],100,sizeof(uint8_t)*(fi->width >> 1) *(fi->height>>1));
memset(img->data[2],100,sizeof(uint8_t)*(fi->width >> 1) *(fi->height>>1));
for(j=0; j<fi->height/2; j++){
for(i=0; i<size/2; i++){
img->data[1][i+j*img->linesize[1]]= sin(((double)i)/size/j*2.0)*128+128;
img->data[2][i+j*img->linesize[2]]= cos(((double)i)/size/j*4.0)*128+128;
}
}
}
void test_transform_implementation(const TestData* testdata){
VSFrameInfo fi;
VSFrame src;
testImageStripeYUV(128,&fi,&src);
VSFrame dest;
vsFrameAllocate(&dest,&fi);
VSFrame cfinal;
vsFrameAllocate(&cfinal,&fi);
VSTransformData td;
VSTransformConfig conf = vsTransformGetDefaultConfig("test_transform_implementation");
fprintf(stderr,"--- Validate Interpolations ----\n");
int it;
int i;
int sum;
VSTransform t;
t.x = 10;
t.alpha = 2*M_PI/(180.0);
for(it=VS_Zero; it<=VS_BiCubic; it++){
vsFrameCopy(&dest, &src, &fi);
conf.interpolType=it;
test_bool(vsTransformDataInit(&td, &conf, &fi, &fi) == VS_OK);
fprintf(stderr,"Transform: %s\n", getInterpolationTypeName(it));
test_bool(vsTransformPrepare(&td,&dest,&dest)== VS_OK);
test_bool(transformPlanar_float(&td, t)== VS_OK);
vsFrameCopy(&cfinal,&td.dest,&fi);
vsTransformDataCleanup(&td);
vsFrameCopy(&dest, &src, &fi);
test_bool(vsTransformDataInit(&td, &conf, &fi, &fi) == VS_OK);
test_bool(vsTransformPrepare(&td,&dest,&dest)== VS_OK);
test_bool(transformPlanar(&td, t)== VS_OK);
// validate
sum=0;
for(i=0; i<fi.width*fi.height; i++){
int diff = cfinal.data[0][i] - td.dest.data[0][i];
if(abs(diff)>2){
sum+=abs(diff);
printf("%i,%i: %i\n", i/fi.width, i%fi.width, diff);
}
}
vsTransformDataCleanup(&td);
printf("***Difference: %i\n", sum);
test_bool(sum==0);
}
vsFrameFree(&dest);
vsFrameFree(&cfinal);
vsFrameFree(&src);
}
void test_transform_performance(const TestData* testdata){
VSTransformConfig conf = vsTransformGetDefaultConfig("test_transform_performance");
fprintf(stderr,"--- Performance of Transforms ----\n");
VSFrame dest;
VSFrame cfinal;
int it;
int start, numruns;
int timeC, timeCFP; //, timeOrc;
vsFrameAllocate(&dest, &testdata->fi);
vsFrameAllocate(&cfinal, &testdata->fi);
numruns = 5;
for(it=VS_Zero; it<=VS_BiCubic; it++){
VSTransformData td;
int i;
//// Float implementation
conf.interpolType=it;
test_bool(vsTransformDataInit(&td, &conf, &testdata->fi, &testdata->fi) == VS_OK);
fprintf(stderr,"Transform: %s", getInterpolationTypeName(it));
start = timeOfDayinMS();
for(i=0; i<numruns; i++){
VSTransform t = null_transform();
t.x = i*10+10;
t.alpha = (i+1)*2*M_PI/(180.0);
t.zoom = 0;
vsFrameCopy(&dest, &testdata->frames[0], &testdata->fi);
test_bool(vsTransformPrepare(&td,&dest,&dest)== VS_OK);
test_bool(transformPlanar_float(&td, t)== VS_OK);
}
timeC = timeOfDayinMS() - start;
fprintf(stderr,"\n***C elapsed time for %i runs: %i ms ****\n",
numruns, timeC );
if(it==VS_BiLinear){
storePGMImage("transformed.pgm", td.dest.data[0], testdata->fi);
storePGMImage("transformed_u.pgm", td.dest.data[1], testdata->fi_color);
fprintf(stderr,"stored transformed.pgm\n");
}
vsFrameCopy(&cfinal,&td.dest,&testdata->fi);
vsTransformDataCleanup(&td);
//// fixed point implementation
test_bool(vsTransformDataInit(&td, &conf, &testdata->fi, &testdata->fi) == VS_OK);
start = timeOfDayinMS();
for(i=0; i<numruns; i++){
VSTransform t = null_transform();
t.x = i*10+10;
t.alpha = (i+1)*2*M_PI/(180.0);
t.zoom = 0;
vsFrameCopy(&dest, &testdata->frames[0], &testdata->fi);
test_bool(vsTransformPrepare(&td,&dest,&dest)== VS_OK);
test_bool(transformPlanar(&td, t)== VS_OK);
}
timeCFP = timeOfDayinMS() - start;
fprintf(stderr,"***FP elapsed time for %i runs: %i ms ****\n",
numruns, timeCFP );
if(it==VS_BiLinear){
storePGMImage("transformed_FP.pgm", td.dest.data[0], testdata->fi);
storePGMImage("transformed_u_FP.pgm", td.dest.data[1], testdata->fi_color);
fprintf(stderr,"stored transformed_FP.pgm\n");
}
fprintf(stderr,"***Speedup %3.2f\n", (double)timeC/timeCFP);
// validate
int sum=0;
for(i=0; i<testdata->fi.width*testdata->fi.height; i++){
int diff = cfinal.data[0][i] - td.dest.data[0][i];
if(abs(diff)>2){
sum+=abs(diff);
//printf("%i,%i: %i\n", i/fi.width, i%fi.width, diff);
}
}
printf("***Difference: %i\n", sum);
vsTransformDataCleanup(&td);
test_bool(sum==0);
}
vsFrameFree(&dest);
vsFrameFree(&cfinal);
}
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