void CameraEngine::applyCameraSetting(int mode, int value) {
switch (value) {
case SETTING_DEFAULT: break;
case SETTING_AUTO: setCameraSettingAuto(mode,true); break;
case SETTING_MIN: setCameraSetting(mode,getMinCameraSetting(mode)); break;
case SETTING_MAX: setCameraSetting(mode,getMaxCameraSetting(mode)); break;
default: {
int max = getMaxCameraSetting(mode);
int min = getMinCameraSetting(mode);
if (value<min) value = min;
else if (value>max) value = max;
setCameraSetting(mode,value);
}
}
}
void CameraEngine::control(int key) {
if(!settingsDialog) return;
int value,min,max,step = 0;
switch(key) {
case SDLK_LEFT:
value = getCameraSetting(currentCameraSetting);
min = getMinCameraSetting(currentCameraSetting);
max = getMaxCameraSetting(currentCameraSetting);
step = getCameraSettingStep(currentCameraSetting);
if (step==1) step = (int)((float)max/256.0f);
if (step<1) step=1;
value -= step;
if (value<min) value=min;
setCameraSetting(currentCameraSetting,value);
break;
case SDLK_RIGHT:
value = getCameraSetting(currentCameraSetting);
min = getMinCameraSetting(currentCameraSetting);
max = getMaxCameraSetting(currentCameraSetting);
step = getCameraSettingStep(currentCameraSetting);
if (step==1) step = (int)((float)max/256.0f);
if (step<1) step=1;
value += step;
if (value>max) value=max;
setCameraSetting(currentCameraSetting,value);
break;
case SDLK_UP:
currentCameraSetting--;
if(currentCameraSetting<0) currentCameraSetting=GAMMA;
break;
case SDLK_DOWN:
currentCameraSetting++;
if(currentCameraSetting>GAMMA) currentCameraSetting=0;
break;
}
}
bool V4Linux2Camera::setCameraSettingAuto(int mode, bool flag) {
if (!hasCameraSetting(mode)) return false;
switch (mode) {
case GAIN:
return(setCameraSetting(AUTO_GAIN,flag));
case EXPOSURE:
v4l2_auto_ctrl[0].id = V4L2_CID_EXPOSURE_AUTO;
v4l2_auto_ctrl[1].id = V4L2_CID_EXPOSURE_AUTO_PRIORITY;
if (flag==true) {
v4l2_auto_ctrl[0].value = V4L2_EXPOSURE_AUTO;
v4l2_auto_ctrl[1].value = V4L2_EXPOSURE_AUTO;
} else {
v4l2_auto_ctrl[0].value = V4L2_EXPOSURE_MANUAL;
v4l2_auto_ctrl[1].value = V4L2_EXPOSURE_APERTURE_PRIORITY;
}
break;
case WHITE:
return(setCameraSetting(AUTO_WHITE,flag));
case COLOR_HUE:
return(setCameraSetting(AUTO_HUE,flag));
default: return false;
}
if ((xioctl(dev_handle, VIDIOC_S_EXT_CTRLS, &v4l2_auto_ctrl)) < 0) {
printf("Unable to set AUTO mode: %s\n",strerror(errno));
return false;
}
if (mode==EXPOSURE) {
//printf("set auto mode: %d %d\n",v4l2_auto_ctrl[0].value,v4l2_auto_ctrl[1].value);
return true;
}
return false;
}
void FirstPersonNavigation::loadDefaultCamerasetting(){
setCameraSetting(1, 40, 0.0005f, 0.15f, 0.005f, 0.4f);
curAccuteness_ = minAccuteness_;
}
bool V4Linux2Camera::setDefaultCameraSetting(int mode) {
return setCameraSetting(mode,getDefaultCameraSetting(mode));
}
