//////////////////////////////////////////////////////////////////////////////////
// getFPSStep --------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////////////
double ofxUeye::getFPSStep()
{
double min, max, step;
is_GetFrameTimeRange (m_hCam, &min, &max, &step);
return step;
}
INT UEyeCamDriver::setFrameRate(bool& auto_frame_rate, double& frame_rate_hz) {
if (!isConnected())
return IS_INVALID_CAMERA_HANDLE;
INT is_err = IS_SUCCESS;
double pval1 = 0, pval2 = 0;
double minFrameTime, maxFrameTime, intervalFrameTime, newFrameRate;
// Make sure that auto shutter is enabled before enabling auto frame rate
bool autoShutterOn = false;
is_SetAutoParameter(cam_handle_, IS_GET_ENABLE_AUTO_SENSOR_SHUTTER, &pval1, &pval2);
autoShutterOn |= (pval1 != 0);
is_SetAutoParameter(cam_handle_, IS_GET_ENABLE_AUTO_SHUTTER, &pval1, &pval2);
autoShutterOn |= (pval1 != 0);
if (!autoShutterOn) {
auto_frame_rate = false;
}
// Set frame rate / auto
pval1 = auto_frame_rate;
if ((is_err = is_SetAutoParameter(cam_handle_, IS_SET_ENABLE_AUTO_SENSOR_FRAMERATE,
&pval1, &pval2))
!= IS_SUCCESS) {
if ((is_err = is_SetAutoParameter(cam_handle_, IS_SET_ENABLE_AUTO_FRAMERATE,
&pval1, &pval2))
!= IS_SUCCESS) {
std::cerr << "Auto frame rate mode is not supported for UEye camera '"
<< cam_name_ << "' (" << err2str(is_err) << ")"
<< std::endl;
auto_frame_rate = false;
}
}
if (!auto_frame_rate) {
// Make sure that user-requested frame rate is achievable
if ((is_err = is_GetFrameTimeRange(cam_handle_, &minFrameTime,
&maxFrameTime, &intervalFrameTime))
!= IS_SUCCESS) {
std::cerr << "Failed to query valid frame rate range from UEye camera '"
<< cam_name_ << "'" << std::endl;
return is_err;
}
CAP(frame_rate_hz, 1.0 / maxFrameTime, 1.0 / minFrameTime);
// Update frame rate
if ((is_err = is_SetFrameRate(cam_handle_, frame_rate_hz, &newFrameRate))
!= IS_SUCCESS) {
std::cerr << "Failed to set frame rate to " << frame_rate_hz
<< " MHz for UEye camera '" << cam_name_ << "'" << std::endl;
return is_err;
} else if (frame_rate_hz != newFrameRate) {
frame_rate_hz = newFrameRate;
}
}
std::cout << "Updated frame rate: "
<< ((auto_frame_rate) ? "auto" : to_string(frame_rate_hz))
<< " Hz" << std::endl;
return is_err;
}
//////////////////////////////////////////////////////////////////////////////////
// getFPSMax ---------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////////////
double ofxUeye::getFPSMax()
{
double min, max, step;
is_GetFrameTimeRange (m_hCam, &min, &max, &step);
return (1.0 / min);
}
