bool BaseV4L2VideoCapture::SetSharpness(int32_t value) {
//return v4l2_s_ctrl(V4L2_CID_SHARPNESS, value);
if(_pVideoCaptureFiltersCapability->VerifySharpness(value)){
if(v4l2_s_ctrl(V4L2_CID_SHARPNESS, value)){
_pVideoCaptureFilters->sharpness = GetSharpness();
return true;
}
else
return false;
}
else
return false;
}
bool BaseV4L2VideoCapture::InitVideoCaptureFilters() {
if(_pVideoCaptureFilters == NULL)
_pVideoCaptureFilters = new VideoCaptureFilters();
_pVideoCaptureFilters->brightness = GetBrightness();
_pVideoCaptureFilters->contrast = GetContrast();
_pVideoCaptureFilters->hue = GetHUE();
_pVideoCaptureFilters->saturation = GetSaturation();
_pVideoCaptureFilters->sharpness = GetSharpness();
_pVideoCaptureFilters->gamma = GetGamma();
_pVideoCaptureFilters->backlightCompensation = GetBacklightCompensation();
// Below is for debug sake
//FATAL("brightness : %d\n contrast : %d\n hue : %d\n saturation : %d\n sharpness : %d\n gamma : %d\n backlightCompensation :%d", _pVideoCaptureFilters->brightness , _pVideoCaptureFilters->contrast, _pVideoCaptureFilters->hue, _pVideoCaptureFilters->saturation , _pVideoCaptureFilters->sharpness, _pVideoCaptureFilters->gamma, _pVideoCaptureFilters->backlightCompensation);
return true;
}
int main(int argc, char *argv[ ])
{
char SETTINGS_FILE[]="settings.txt";
RASPIVID_CONFIG * config = (RASPIVID_CONFIG*)malloc(sizeof(RASPIVID_CONFIG));
int full_width=2592;
int full_height=1944;
config->width=full_width;
config->height=full_height;
config->bitrate=0; // zero: leave as default
config->framerate=15;
config->monochrome=1;
RaspiCamCvCapture * capture = (RaspiCamCvCapture *) raspiCamCvCreateCameraCapture2(0, config);
free(config);
CvFont font;
double hScale=0.8;
double vScale=0.8;
int lineWidth=2;
cvInitFont(&font, CV_FONT_HERSHEY_SIMPLEX|CV_FONT_ITALIC, hScale, vScale, 0, lineWidth, 8);
IplImage* tmp = 0;
IplImage* image = 0;
cvNamedWindow("RaspiCamTest", 1);
cvMoveWindow("RaspiCamTest", 100,100);
int viewport_x = 0;
int viewport_y = -400;
int viewport_width = 640;
int viewport_height = 480;
CvScalar sharpness= {100, 5.0, 1.0, .10};
int flip=0;
int full_view=0;
FILE * f = fopen(SETTINGS_FILE,"r");
if(f) {
fscanf(f,"%d %d %d\n",&viewport_x,&viewport_y,&flip);
fclose(f);
}
int exit =0;
do {
IplImage* big_img = raspiCamCvQueryFrame(capture);
if(!image) {
image = cvCreateImage( cvSize(viewport_width, viewport_height), big_img->depth,3 );
}
if(!tmp) {
tmp = cvCreateImage( cvSize(viewport_width, viewport_height), big_img->depth,1 );
}
if(!full_view) {
CvRect cropRect = cvRect( (big_img->width-viewport_width)/2+viewport_x
,(big_img->height-viewport_height)/2+viewport_y
,viewport_width ,viewport_height );
cvSetImageROI(big_img,cropRect);
CvRect destRect=cvRect(0,0,viewport_width,viewport_height);
cvSetImageROI(image,destRect);
cvCvtColor(big_img,image,CV_GRAY2BGR);
destRect=cvRect(0,0,viewport_width,viewport_height);
cvSetImageROI(image,destRect);
} else {
CvRect cropRect = cvRect( 0,0, full_width, full_height );
cvSetImageROI(big_img,cropRect);
cvRectangle(big_img
,cvPoint((big_img->width-viewport_width)/2+viewport_x,
(big_img->height-viewport_height)/2+viewport_y)
,cvPoint((big_img->width+viewport_width)/2+viewport_x,
(big_img->height+viewport_height)/2+viewport_y)
,CV_RGB( 0, 255, 0 ));
cvResize(big_img,tmp);
cvCvtColor(tmp,image,CV_GRAY2BGR);
}
if(flip) {
cvFlip(image,0,-1);
}
sharpness = GetSharpness(big_img,image);
double threshold=2.8;
char text[200];
if(full_view) {
sprintf(text , "full view" );
cvPutText (image, text, cvPoint(05, 360), &font, cvScalar(255, 0, 0, 0));
}
sprintf(text , (sharpness.val[1]>threshold ? "** OK **" : "!! keep going !!" ) );
cvPutText (image, text, cvPoint(05, 400), &font, cvScalar(255, 0, 0, 0));
sprintf(text, "Sharpness: %.0f (%.2f) x=%d y=%d", sharpness.val[0], sharpness.val[1], viewport_x, viewport_y);
cvPutText (image, text, cvPoint(05, 440), &font, cvScalar(255, 0, 0, 0));
cvLine( image, cvPoint(0,240), cvPoint(639,240), CV_RGB( 255, 0, 0 ));
cvLine( image, cvPoint(320,0), cvPoint(320,479), CV_RGB( 255, 0, 0 ));
cvCircle( image, cvPoint(320,240), 100, CV_RGB( 255, 0, 0 ));
cvShowImage("RaspiCamTest", image);
char key = cvWaitKey(10);
if(flip) {
switch(key)
{
case 83: //left
viewport_x -= 10;
if(viewport_x<-(full_width-viewport_width)/2) {
viewport_x=-(full_width-viewport_width)/2;
}
break;
case 84: //up
viewport_y -= 10;
if(viewport_y< -(full_height-viewport_height)/2) {
viewport_y=-(full_height-viewport_height)/2;
}
break;
case 81: //right
viewport_x += 10;
if(viewport_x> (full_width-viewport_width)/2) {
viewport_x= (full_width-viewport_width)/2;
}
break;
case 82: //down
viewport_y += 10;
if(viewport_x> (full_height-viewport_height)/2) {
viewport_x= (full_height-viewport_height)/2;
}
break;
}
} else {
switch(key)
{
case 81: //left
viewport_x -= 10;
if(viewport_x<-(full_width-viewport_width)/2) {
viewport_x=-(full_width-viewport_width)/2;
}
break;
case 82: //up
viewport_y -= 10;
if(viewport_y< -(full_height-viewport_height)/2) {
viewport_y=-(full_height-viewport_height)/2;
}
break;
case 83: //right
viewport_x += 10;
if(viewport_x> (full_width-viewport_width)/2) {
viewport_x= (full_width-viewport_width)/2;
}
break;
case 84: //down
viewport_y += 10;
if(viewport_x> (full_height-viewport_height)/2) {
viewport_x= (full_height-viewport_height)/2;
}
break;
}
}
switch(key)
{
case 's': //save current position
{
FILE *f = fopen(SETTINGS_FILE,"w");
if(f) {
fprintf(f,"%d %d %d\n",viewport_x,viewport_y,flip);
fclose(f);
}
break;
}
case 'r': //read position
{
FILE *f = fopen(SETTINGS_FILE,"r");
if(f) {
fscanf(f,"%d %d %d\n",&viewport_x,&viewport_y,&flip);
fclose(f);
}
break;
}
case 'c':
viewport_x=viewport_y=0;
break;
case 'f':
flip = !flip;
break;
case 'x':
system("sudo halt");
break;
case 27: // Esc to exit
exit = 1;
break;
}
} while (!exit);
cvDestroyWindow("RaspiCamTest");
raspiCamCvReleaseCapture(&capture);
return 0;
}