void CameraIIDC::startCapture(){
dc1394error_t err;
// Print camera information
dc1394_camera_print_info(cam, stdout);
fflush(stdout);
if(triggerMode == triggerModeHardware){
// Set hardware trigger
err=dc1394_external_trigger_set_power(cam, DC1394_ON);
if (err!=DC1394_SUCCESS)
cerr << "libdc1394: Could not set external trigger on!";
err=dc1394_external_trigger_set_source(cam, DC1394_TRIGGER_SOURCE_0);
if (err!=DC1394_SUCCESS)
cerr << "libdc1394: Could not set external trigger source!";
err=dc1394_external_trigger_set_mode(cam, DC1394_TRIGGER_MODE_14);
if (err!=DC1394_SUCCESS)
cerr << "libdc1394: Could not set external trigger mode!";
err=dc1394_external_trigger_set_polarity(cam, DC1394_TRIGGER_ACTIVE_HIGH);
if (err!=DC1394_SUCCESS)
cerr << "libdc1394: Could not set external trigger polarity!";
} else if(triggerMode == triggerModeSoftware) {
// Disable hardware trigger
err=dc1394_external_trigger_set_power(cam, DC1394_OFF);
if (err!=DC1394_SUCCESS)
cerr << "libdc1394: Could not set external trigger off!";
}
// Begin transmission
err = dc1394_video_set_transmission(cam, DC1394_ON);
if (err!=DC1394_SUCCESS)
{
cerr << "ERROR: Could not begin transmission!" << endl;
}
capturing = true;
}
void FirewireVideo::SetExternalTrigger(dc1394trigger_mode_t mode, dc1394trigger_polarity_t polarity, dc1394trigger_source_t source)
{
dc1394error_t err = dc1394_external_trigger_set_polarity(camera, polarity);
if (err < 0) {
throw VideoException("Could not set external trigger polarity");
}
err = dc1394_external_trigger_set_mode(camera, mode);
if (err < 0) {
throw VideoException("Could not set external trigger mode");
}
err = dc1394_external_trigger_set_source(camera, source);
if (err < 0) {
throw VideoException("Could not set external trigger source");
}
err = dc1394_external_trigger_set_power(camera, DC1394_ON);
if (err < 0) {
throw VideoException("Could not set external trigger power");
}
}
