示例#1
0
static void
gst_aravis_set_property (GObject * object, guint prop_id,
			 const GValue * value, GParamSpec * pspec)
{
	GstAravis *gst_aravis = GST_ARAVIS (object);

	switch (prop_id) {
		case PROP_CAMERA_NAME:
			g_free (gst_aravis->camera_name);
			/* check if we are currently active
			   prevent setting camera and other values to something not representing the active camera */
			if (gst_aravis->stream == NULL) {
				gst_aravis->camera_name = g_strdup (g_value_get_string (value));
				gst_aravis_init_camera (gst_aravis);
			}

			GST_LOG_OBJECT (gst_aravis, "Set camera name to %s", gst_aravis->camera_name);

			break;
		case PROP_GAIN:
			gst_aravis->gain = g_value_get_double (value);
			if (gst_aravis->camera != NULL)
				arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
			break;
		case PROP_GAIN_AUTO:
			gst_aravis->gain_auto = g_value_get_boolean (value);
			if (gst_aravis->camera != NULL)
				arv_camera_set_gain_auto (gst_aravis->camera, gst_aravis->gain_auto);
			break;
		case PROP_EXPOSURE:
			gst_aravis->exposure_time_us = g_value_get_double (value);
			if (gst_aravis->camera != NULL)
				arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
			break;
		case PROP_EXPOSURE_AUTO:
			gst_aravis->exposure_auto = g_value_get_boolean (value);
			if (gst_aravis->camera != NULL)
				arv_camera_set_exposure_time_auto (gst_aravis->camera, gst_aravis->exposure_auto);
			break;
		case PROP_OFFSET_X:
			gst_aravis->offset_x = g_value_get_int (value);
			break;
		case PROP_OFFSET_Y:
			gst_aravis->offset_y = g_value_get_int (value);
			break;
		case PROP_H_BINNING:
			gst_aravis->h_binning = g_value_get_int (value);
			break;
		case PROP_V_BINNING:
			gst_aravis->v_binning = g_value_get_int (value);
			break;
		case PROP_PACKET_RESEND:
			gst_aravis->packet_resend = g_value_get_boolean (value);
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
			break;
	}
}
示例#2
0
	CamGigE::CamGigE(int id):
			Cam(id)
	{
		mWidth = XSIZE;
		mHeight = YSIZE;

		xshift = 0;
		yshift = 0;
		exposure = 2*1000;
		gain = 300;
		isCapturing = false;
		framerate = 15.0f;

		mId = id;

		g_type_init ();
		camera = arv_camera_new(NULL);
		if(camera == NULL)
		{
			throw "No camera found";
		}

		arv_camera_set_region(camera, xshift, yshift, mWidth, mHeight);
		arv_camera_set_exposure_time(camera, exposure);
		arv_camera_set_gain(camera, gain);

		arv_camera_set_pixel_format(camera, ARV_PIXEL_FORMAT_MONO_8);
		//arv_camera_set_pixel_format(camera, ARV_PIXEL_FORMAT_BAYER_BG_8);


		width = (int)mWidth;
		height = (int)mHeight;
		arv_camera_get_region (camera, &xshift, &yshift, &width, &height);
		payload = arv_camera_get_payload (camera);

		stream = arv_camera_create_stream (camera, NULL, NULL);
		if(stream == NULL) {
			throw "Cannot create stream";
		}
		g_object_set(stream, "packet-timeout", (unsigned) 20 * 1000,
							 "frame-retention", (unsigned) 100 * 1000,
							 NULL);
		for(int i = 0; i < 4; i++)
			arv_stream_push_buffer(stream, arv_buffer_new(payload, NULL));

		arv_camera_set_acquisition_mode(camera, ARV_ACQUISITION_MODE_CONTINUOUS);
		arv_camera_set_frame_rate(camera, framerate);

		rawdata = new unsigned char[width*height];


	}
示例#3
0
bool CvCaptureCAM_Aravis::setProperty( int property_id, double value )
{
    switch ( property_id ) {
        case CV_CAP_PROP_EXPOSURE:
            if(exposureAvailable) {
                /* exposure time in seconds, like 1/100 s */
                value *= 1e6; // -> from s to us
                arv_camera_set_exposure_time(camera, exposure = BETWEEN(value, exposureMin, exposureMax));
                break;
            } else return false;

        case CV_CAP_PROP_FPS:
            if(fpsAvailable) {
                arv_camera_set_frame_rate(camera, fps = BETWEEN(value, fpsMin, fpsMax));
                break;
            } else return false;

        case CV_CAP_PROP_GAIN:
            if(gainAvailable) {
                arv_camera_set_gain(camera, gain = BETWEEN(value, gainMin, gainMax));
                break;
            } else return false;

        case CV_CAP_PROP_FOURCC:
            {
                ArvPixelFormat newFormat = pixelFormat;
                switch((int)value) {
                    case MODE_GRAY8:
                        newFormat = ARV_PIXEL_FORMAT_MONO_8;
                        break;
                    case MODE_GRAY12:
                        newFormat = ARV_PIXEL_FORMAT_MONO_12;
                        break;
                }
                if(newFormat != pixelFormat) {
                    stopCapture();
                    arv_camera_set_pixel_format(camera, pixelFormat = newFormat);
                    startCapture();
                }
            }
            break;

        default:
            return false;
    }

    return true;
}
示例#4
0
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
	GstAravis* gst_aravis = GST_ARAVIS(src);
	GstStructure *structure;
	ArvPixelFormat pixel_format;
	int height, width;
	int bpp, depth;
	const GValue *frame_rate;
	const char *caps_string;
	unsigned int i;
	guint32 fourcc;

	GST_LOG_OBJECT (gst_aravis, "Requested caps = %" GST_PTR_FORMAT, caps);

	arv_camera_stop_acquisition (gst_aravis->camera);

	if (gst_aravis->stream != NULL)
		g_object_unref (gst_aravis->stream);

	structure = gst_caps_get_structure (caps, 0);

	gst_structure_get_int (structure, "width", &width);
	gst_structure_get_int (structure, "height", &height);
	frame_rate = gst_structure_get_value (structure, "framerate");
	gst_structure_get_int (structure, "bpp", &bpp);
	gst_structure_get_int (structure, "depth", &depth);

	if (gst_structure_get_field_type (structure, "format") == G_TYPE_STRING) {
		const char *string;

	       	string = gst_structure_get_string (structure, "format");
		fourcc = GST_STR_FOURCC (string);
	} else if (gst_structure_get_field_type (structure, "format") == GST_TYPE_FOURCC) {
		gst_structure_get_fourcc (structure, "format", &fourcc);
	} else
		fourcc = 0;

	pixel_format = arv_pixel_format_from_gst_0_10_caps (gst_structure_get_name (structure), bpp, depth, fourcc);

	arv_camera_set_region (gst_aravis->camera, gst_aravis->offset_x, gst_aravis->offset_y, width, height);
	arv_camera_set_binning (gst_aravis->camera, gst_aravis->h_binning, gst_aravis->v_binning);
	arv_camera_set_pixel_format (gst_aravis->camera, pixel_format);

	if (frame_rate != NULL) {
		double dbl_frame_rate;

		dbl_frame_rate = (double) gst_value_get_fraction_numerator (frame_rate) /
			(double) gst_value_get_fraction_denominator (frame_rate);

		GST_DEBUG_OBJECT (gst_aravis, "Frame rate = %g Hz", dbl_frame_rate);
		arv_camera_set_frame_rate (gst_aravis->camera, dbl_frame_rate);

		if (dbl_frame_rate > 0.0)
			gst_aravis->buffer_timeout_us = MAX (GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT,
							     3e6 / dbl_frame_rate);
		else
			gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
	} else
		gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;

	GST_DEBUG_OBJECT (gst_aravis, "Buffer timeout = %" G_GUINT64_FORMAT " µs", gst_aravis->buffer_timeout_us);

	GST_DEBUG_OBJECT (gst_aravis, "Actual frame rate = %g Hz", arv_camera_get_frame_rate (gst_aravis->camera));

	if(gst_aravis->gain_auto) {
		arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
		GST_DEBUG_OBJECT (gst_aravis, "Auto Gain = continuous");
	} else {
		if (gst_aravis->gain >= 0) {
			GST_DEBUG_OBJECT (gst_aravis, "Gain = %g", gst_aravis->gain);
			arv_camera_set_gain_auto (gst_aravis->camera, ARV_AUTO_OFF);
			arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
		}
		GST_DEBUG_OBJECT (gst_aravis, "Actual gain = %g", arv_camera_get_gain (gst_aravis->camera));
	}

	if(gst_aravis->exposure_auto) {
		arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_CONTINUOUS);
		GST_DEBUG_OBJECT (gst_aravis, "Auto Exposure = continuous");
	} else {
		if (gst_aravis->exposure_time_us > 0.0) {
			GST_DEBUG_OBJECT (gst_aravis, "Exposure = %g µs", gst_aravis->exposure_time_us);
			arv_camera_set_exposure_time_auto (gst_aravis->camera, ARV_AUTO_OFF);
			arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
		}
		GST_DEBUG_OBJECT (gst_aravis, "Actual exposure = %g µs", arv_camera_get_exposure_time (gst_aravis->camera));
	}

	if (gst_aravis->fixed_caps != NULL)
		gst_caps_unref (gst_aravis->fixed_caps);

	caps_string = arv_pixel_format_to_gst_0_10_caps_string (pixel_format);
	if (caps_string != NULL) {
		GstStructure *structure;
		GstCaps *caps;

		caps = gst_caps_new_empty ();
		structure = gst_structure_from_string (caps_string, NULL);
		gst_structure_set (structure,
				   "width", G_TYPE_INT, width,
				   "height", G_TYPE_INT, height,
				   NULL);

		if (frame_rate != NULL)
			gst_structure_set_value (structure, "framerate", frame_rate);

		gst_caps_append_structure (caps, structure);

		gst_aravis->fixed_caps = caps;
	} else
		gst_aravis->fixed_caps = NULL;

	gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
	gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);

	if (ARV_IS_GV_STREAM (gst_aravis->stream) && gst_aravis->packet_resend)
		g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_ALWAYS, NULL);
	else
		g_object_set (gst_aravis->stream, "packet-resend", ARV_GV_STREAM_PACKET_RESEND_NEVER, NULL);

	for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
		arv_stream_push_buffer (gst_aravis->stream,
					arv_buffer_new (gst_aravis->payload, NULL));

	GST_LOG_OBJECT (gst_aravis, "Start acquisition");
	arv_camera_start_acquisition (gst_aravis->camera);

	gst_aravis->timestamp_offset = 0;
	gst_aravis->last_timestamp = 0;

	return TRUE;
}
示例#5
0
bool CvCaptureCAM_Aravis::setProperty( int property_id, double value )
{
    switch(property_id) {
        case CV_CAP_PROP_AUTO_EXPOSURE:
            if(exposureAvailable || gainAvailable) {
                if( (controlExposure = (bool)(int)value) ) {
                    exposure = exposureAvailable ? arv_camera_get_exposure_time(camera) : 0;
                    gain = gainAvailable ? arv_camera_get_gain(camera) : 0;
                }
            }
            break;
    case CV_CAP_PROP_BRIGHTNESS:
       exposureCompensation = CLIP(value, -3., 3.);
       break;

        case CV_CAP_PROP_EXPOSURE:
            if(exposureAvailable) {
                /* exposure time in seconds, like 1/100 s */
                value *= 1e6; // -> from s to us

                arv_camera_set_exposure_time(camera, exposure = CLIP(value, exposureMin, exposureMax));
                break;
            } else return false;

        case CV_CAP_PROP_FPS:
            if(fpsAvailable) {
                arv_camera_set_frame_rate(camera, fps = CLIP(value, fpsMin, fpsMax));
                break;
            } else return false;

        case CV_CAP_PROP_GAIN:
            if(gainAvailable) {
                if ( (autoGain = (-1 == value) ) )
                    break;

                arv_camera_set_gain(camera, gain = CLIP(value, gainMin, gainMax));
                break;
            } else return false;

        case CV_CAP_PROP_FOURCC:
            {
                ArvPixelFormat newFormat = pixelFormat;
                switch((int)value) {
                    case MODE_GREY:
                    case MODE_Y800:
                        newFormat = ARV_PIXEL_FORMAT_MONO_8;
                        targetGrey = 128;
                        break;
                    case MODE_Y12:
                        newFormat = ARV_PIXEL_FORMAT_MONO_12;
                        targetGrey = 2048;
                        break;
                    case MODE_Y16:
                        newFormat = ARV_PIXEL_FORMAT_MONO_16;
                        targetGrey = 32768;
                        break;
                    case MODE_GRBG:
                        newFormat = ARV_PIXEL_FORMAT_BAYER_GR_8;
                        targetGrey = 128;
                        break;
                }
                if(newFormat != pixelFormat) {
                    stopCapture();
                    arv_camera_set_pixel_format(camera, pixelFormat = newFormat);
                    startCapture();
                }
            }
            break;

        case CV_CAP_PROP_BUFFERSIZE:
            {
                int x = (int)value;
                if((x > 0) && (x != num_buffers)) {
                    stopCapture();
                    num_buffers = x;
                    startCapture();
                }
            }
            break;


        default:
            return false;
    }

    return true;
}
示例#6
0
void CvCaptureCAM_Aravis::autoExposureControl(IplImage* image)
{
    // Software control of exposure parameters utilizing
    // automatic change of exposure time & gain

    // Priority is set as follows:
    // - to increase brightness, first increase time then gain
    // - to decrease brightness, first decrease gain then time

    cv::Mat m = cv::cvarrToMat(image);

    // calc mean value for luminance or green channel
    double brightness = cv::mean(m)[image->nChannels > 1 ? 1 : 0];
    if(brightness < 1) brightness = 1;

    // mid point - 100 % means no change
    static const double dmid = 100;

    // distance from optimal value as a percentage
    double d = (targetGrey * dmid) / brightness;
    if(d >= dmid) d = ( d + (dmid * 2) ) / 3;

    prevFrameID = frameID;
    midGrey = brightness;

    double maxe = 1e6 / fps;
    double ne = CLIP( ( exposure * d ) / ( dmid * pow(sqrt(2), -2 * exposureCompensation) ), exposureMin, maxe);

    // if change of value requires intervention
    if(std::fabs(d-dmid) > 5) {
        double ev, ng = 0;

        if(gainAvailable && autoGain) {
            ev = log( d / dmid ) / log(2);
            ng = CLIP( gain + ev + exposureCompensation, gainMin, gainMax);

            if( ng < gain ) {
                // priority 1 - reduce gain
                arv_camera_set_gain(camera, (gain = ng));
                return;
            }
        }

        if(exposureAvailable) {
            // priority 2 - control of exposure time
            if(std::fabs(exposure - ne) > 2) {
                // we have not yet reach the max-e level
                arv_camera_set_exposure_time(camera, (exposure = ne) );
                return;
            }
        }

        if(gainAvailable && autoGain) {
            if(exposureAvailable) {
                // exposure at maximum - increase gain if possible
                if(ng > gain && ng < gainMax && ne >= maxe) {
                    arv_camera_set_gain(camera, (gain = ng));
                    return;
                }
            } else {
                // priority 3 - increase gain
                arv_camera_set_gain(camera, (gain = ng));
                return;
            }
        }
    }

    // if gain can be reduced - do it
    if(gainAvailable && autoGain && exposureAvailable) {
        if(gain > gainMin && exposure < maxe) {
            exposure = CLIP( ne * 1.05, exposureMin, maxe);
            arv_camera_set_exposure_time(camera, exposure );
        }
    }
}
示例#7
0
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
    GstAravis* gst_aravis = GST_ARAVIS(src);
    GstStructure *structure;
    ArvPixelFormat pixel_format;
    int height, width;
    int bpp, depth;
    const GValue *frame_rate;
    const char *caps_string;
    unsigned int i;
    guint32 fourcc;

    GST_LOG_OBJECT (gst_aravis, "Requested caps = %" GST_PTR_FORMAT, caps);

    arv_camera_stop_acquisition (gst_aravis->camera);

    if (gst_aravis->stream != NULL)
        g_object_unref (gst_aravis->stream);

    structure = gst_caps_get_structure (caps, 0);

    gst_structure_get_int (structure, "width", &width);
    gst_structure_get_int (structure, "height", &height);
    frame_rate = gst_structure_get_value (structure, "framerate");
    gst_structure_get_fourcc (structure, "format", &fourcc);
    gst_structure_get_int (structure, "bpp", &bpp);
    gst_structure_get_int (structure, "depth", &depth);

    pixel_format = arv_pixel_format_from_gst_caps (gst_structure_get_name (structure), bpp, depth, fourcc);

    arv_camera_set_region (gst_aravis->camera, 0, 0, width, height);
    arv_camera_set_binning (gst_aravis->camera, gst_aravis->h_binning, gst_aravis->v_binning);
    arv_camera_set_pixel_format (gst_aravis->camera, pixel_format);

    if (frame_rate != NULL) {
        double dbl_frame_rate;

        dbl_frame_rate = (double) gst_value_get_fraction_numerator (frame_rate) /
                         (double) gst_value_get_fraction_denominator (frame_rate);

        GST_DEBUG_OBJECT (gst_aravis, "Frame rate = %g Hz", dbl_frame_rate);
        arv_camera_set_frame_rate (gst_aravis->camera, dbl_frame_rate);

        if (dbl_frame_rate > 0.0)
            gst_aravis->buffer_timeout_us = MAX (GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT,
                                                 3e6 / dbl_frame_rate);
        else
            gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;
    } else
        gst_aravis->buffer_timeout_us = GST_ARAVIS_BUFFER_TIMEOUT_DEFAULT;

    GST_DEBUG_OBJECT (gst_aravis, "Buffer timeout = %Ld µs", gst_aravis->buffer_timeout_us);

    GST_DEBUG_OBJECT (gst_aravis, "Actual frame rate = %g Hz", arv_camera_get_frame_rate (gst_aravis->camera));

    GST_DEBUG_OBJECT (gst_aravis, "Gain       = %d", gst_aravis->gain);
    arv_camera_set_gain (gst_aravis->camera, gst_aravis->gain);
    GST_DEBUG_OBJECT (gst_aravis, "Actual gain       = %d", arv_camera_get_gain (gst_aravis->camera));

    GST_DEBUG_OBJECT (gst_aravis, "Exposure   = %g µs", gst_aravis->exposure_time_us);
    arv_camera_set_exposure_time (gst_aravis->camera, gst_aravis->exposure_time_us);
    GST_DEBUG_OBJECT (gst_aravis, "Actual exposure   = %g µs", arv_camera_get_exposure_time (gst_aravis->camera));

    if (gst_aravis->fixed_caps != NULL)
        gst_caps_unref (gst_aravis->fixed_caps);

    caps_string = arv_pixel_format_to_gst_caps_string (pixel_format);
    if (caps_string != NULL) {
        GstStructure *structure;
        GstCaps *caps;

        caps = gst_caps_new_empty ();
        structure = gst_structure_from_string (caps_string, NULL);
        gst_structure_set (structure,
                           "width", G_TYPE_INT, width,
                           "height", G_TYPE_INT, height,
                           NULL);

        if (frame_rate != NULL)
            gst_structure_set_value (structure, "framerate", frame_rate);

        gst_caps_append_structure (caps, structure);

        gst_aravis->fixed_caps = caps;
    } else
        gst_aravis->fixed_caps = NULL;

    gst_aravis->payload = arv_camera_get_payload (gst_aravis->camera);
    gst_aravis->stream = arv_camera_create_stream (gst_aravis->camera, NULL, NULL);

    for (i = 0; i < GST_ARAVIS_N_BUFFERS; i++)
        arv_stream_push_buffer (gst_aravis->stream,
                                arv_buffer_new (gst_aravis->payload, NULL));

    GST_LOG_OBJECT (gst_aravis, "Start acquisition");
    arv_camera_start_acquisition (gst_aravis->camera);

    gst_aravis->timestamp_offset = 0;
    gst_aravis->last_timestamp = 0;

    return TRUE;
}
示例#8
0
int main(int argc, char** argv) 
{
    char   		*pszGuid = NULL;
    char    	 szGuid[512];
    int			 nInterfaces = 0;
    int			 nDevices = 0;
    int 		 i = 0;
	const char	*pkeyAcquisitionFrameRate[2] = {"AcquisitionFrameRate", "AcquisitionFrameRateAbs"};
    ArvGcNode	*pGcNode;
	GError		*error=NULL;

    global.bCancel = FALSE;
    global.config = global.config.__getDefault__();
    global.idSoftwareTriggerTimer = 0;

    ros::init(argc, argv, "camera");
    global.phNode = new ros::NodeHandle();


    // Service callback for firing nuc's. 
	// Needed since we cannot open another connection to cameras while streaming.
	ros::NodeHandle nh;
	ros::ServiceServer NUCservice = nh.advertiseService("FireNUC", NUCService_callback);

    //g_type_init ();

    // Print out some useful info.
    ROS_INFO ("Attached cameras:");
    arv_update_device_list();
    nInterfaces = arv_get_n_interfaces();
    ROS_INFO ("# Interfaces: %d", nInterfaces);

    nDevices = arv_get_n_devices();
    ROS_INFO ("# Devices: %d", nDevices);
    for (i=0; i<nDevices; i++)
    	ROS_INFO ("Device%d: %s", i, arv_get_device_id(i));
    
    if (nDevices>0)
    {
		// Get the camera guid from either the command-line or as a parameter.
    	if (argc==2)
    	{
    		strcpy(szGuid, argv[1]);
    		pszGuid = szGuid;
    	}
    	else
    	{
    		if (global.phNode->hasParam(ros::this_node::getName()+"/guid"))
    		{
    			std::string		stGuid;
    			
    			global.phNode->getParam(ros::this_node::getName()+"/guid", stGuid);
    			strcpy (szGuid, stGuid.c_str());
        		pszGuid = szGuid;
    		}
    		else
    			pszGuid = NULL;
    	}
    	
    	// Open the camera, and set it up.
    	ROS_INFO("Opening: %s", pszGuid ? pszGuid : "(any)");
		while (TRUE)
		{
			global.pCamera = arv_camera_new(pszGuid);
			if (global.pCamera)
				break;
			else
			{
				ROS_WARN ("Could not open camera %s.  Retrying...", pszGuid);
				ros::Duration(1.0).sleep();
			    ros::spinOnce();
			}
		}

		global.pDevice = arv_camera_get_device(global.pCamera);
		ROS_INFO("Opened: %s-%s", arv_device_get_string_feature_value (global.pDevice, "DeviceVendorName"), arv_device_get_string_feature_value (global.pDevice, "DeviceID"));


		// See if some basic camera features exist.
		pGcNode = arv_device_get_feature (global.pDevice, "AcquisitionMode");
		global.isImplementedAcquisitionMode = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "GainRaw");
		global.isImplementedGain = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;
		pGcNode = arv_device_get_feature (global.pDevice, "Gain");
		global.isImplementedGain |= ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "ExposureTimeAbs");
		global.isImplementedExposureTimeAbs = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "ExposureAuto");
		global.isImplementedExposureAuto = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "GainAuto");
		global.isImplementedGainAuto = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "TriggerSelector");
		global.isImplementedTriggerSelector = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "TriggerSource");
		global.isImplementedTriggerSource = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "TriggerMode");
		global.isImplementedTriggerMode = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "FocusPos");
		global.isImplementedFocusPos = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "GevSCPSPacketSize");
		global.isImplementedMtu = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		pGcNode = arv_device_get_feature (global.pDevice, "AcquisitionFrameRateEnable");
		global.isImplementedAcquisitionFrameRateEnable = ARV_GC_FEATURE_NODE (pGcNode) ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;

		// Find the key name for framerate.
		global.keyAcquisitionFrameRate = NULL;
		for (i=0; i<2; i++)
		{
			pGcNode = arv_device_get_feature (global.pDevice, pkeyAcquisitionFrameRate[i]);
			global.isImplementedAcquisitionFrameRate = pGcNode ? arv_gc_feature_node_is_implemented (ARV_GC_FEATURE_NODE (pGcNode), &error) : FALSE;
			if (global.isImplementedAcquisitionFrameRate)
			{
				global.keyAcquisitionFrameRate = pkeyAcquisitionFrameRate[i];
				break;
			}
		}


		// Get parameter bounds.
		arv_camera_get_exposure_time_bounds	(global.pCamera, &global.configMin.ExposureTimeAbs, &global.configMax.ExposureTimeAbs);
		arv_camera_get_gain_bounds			(global.pCamera, &global.configMin.Gain, &global.configMax.Gain);
		arv_camera_get_sensor_size			(global.pCamera, &global.widthSensor, &global.heightSensor);
		arv_camera_get_width_bounds			(global.pCamera, &global.widthRoiMin, &global.widthRoiMax);
		arv_camera_get_height_bounds		(global.pCamera, &global.heightRoiMin, &global.heightRoiMax);

		if (global.isImplementedFocusPos)
		{
			gint64 focusMin64, focusMax64;
			arv_device_get_integer_feature_bounds (global.pDevice, "FocusPos", &focusMin64, &focusMax64);
			global.configMin.FocusPos = focusMin64;
			global.configMax.FocusPos = focusMax64;
		}
		else
		{
			global.configMin.FocusPos = 0;
			global.configMax.FocusPos = 0;
		}

		global.configMin.AcquisitionFrameRate =    0.0;
		global.configMax.AcquisitionFrameRate = 1000.0;


		// Initial camera settings.
		if (global.isImplementedExposureTimeAbs)
			arv_device_set_float_feature_value(global.pDevice, "ExposureTimeAbs", global.config.ExposureTimeAbs);
		if (global.isImplementedGain)
			arv_camera_set_gain(global.pCamera, global.config.Gain);
			//arv_device_set_integer_feature_value(global.pDevice, "GainRaw", global.config.GainRaw);
		if (global.isImplementedAcquisitionFrameRateEnable)
			arv_device_set_integer_feature_value(global.pDevice, "AcquisitionFrameRateEnable", 1);
		if (global.isImplementedAcquisitionFrameRate)
			arv_device_set_float_feature_value(global.pDevice, global.keyAcquisitionFrameRate, global.config.AcquisitionFrameRate);


		// Set up the triggering.
		if (global.isImplementedTriggerMode)
		{
			if (global.isImplementedTriggerSelector && global.isImplementedTriggerMode)
			{
				arv_device_set_string_feature_value(global.pDevice, "TriggerSelector", "AcquisitionStart");
				arv_device_set_string_feature_value(global.pDevice, "TriggerMode", "Off");
				arv_device_set_string_feature_value(global.pDevice, "TriggerSelector", "FrameStart");
				arv_device_set_string_feature_value(global.pDevice, "TriggerMode", "Off");
			}
		}


		WriteCameraFeaturesFromRosparam ();


#ifdef TUNING			
		ros::Publisher pubInt64 = global.phNode->advertise<std_msgs::Int64>(ros::this_node::getName()+"/dt", 100);
		global.ppubInt64 = &pubInt64;
#endif
    	
    // Grab the calibration file url from the param server if exists
    std::string calibrationURL = ""; // Default looks in .ros/camera_info
		if (!(ros::param::get(std::string("calibrationURL").append(arv_device_get_string_feature_value (global.pDevice, "DeviceID")), calibrationURL)))
		{
			ROS_ERROR("ERROR: Could not read calibrationURL from parameter server");
		}

		// Start the camerainfo manager.
		global.pCameraInfoManager = new camera_info_manager::CameraInfoManager(ros::NodeHandle(ros::this_node::getName()), arv_device_get_string_feature_value (global.pDevice, "DeviceID"), calibrationURL);

		// Start the dynamic_reconfigure server.
		dynamic_reconfigure::Server<Config> 				reconfigureServer;
		dynamic_reconfigure::Server<Config>::CallbackType 	reconfigureCallback;

		reconfigureCallback = boost::bind(&RosReconfigure_callback, _1, _2);
		reconfigureServer.setCallback(reconfigureCallback);
		ros::Duration(2.0).sleep();


		// Get parameter current values.
		global.xRoi=0; global.yRoi=0; global.widthRoi=0; global.heightRoi=0;
		arv_camera_get_region (global.pCamera, &global.xRoi, &global.yRoi, &global.widthRoi, &global.heightRoi);
		global.config.ExposureTimeAbs 	= global.isImplementedExposureTimeAbs ? arv_device_get_float_feature_value (global.pDevice, "ExposureTimeAbs") : 0;
		global.config.Gain      		= global.isImplementedGain ? arv_camera_get_gain (global.pCamera) : 0.0;
		global.pszPixelformat   		= g_string_ascii_down(g_string_new(arv_device_get_string_feature_value(global.pDevice, "PixelFormat")))->str;
		global.nBytesPixel      		= ARV_PIXEL_FORMAT_BYTE_PER_PIXEL(arv_device_get_integer_feature_value(global.pDevice, "PixelFormat"));
		global.config.FocusPos  		= global.isImplementedFocusPos ? arv_device_get_integer_feature_value (global.pDevice, "FocusPos") : 0;
		
		
		// Print information.
		ROS_INFO ("    Using Camera Configuration:");
		ROS_INFO ("    ---------------------------");
		ROS_INFO ("    Vendor name          = %s", arv_device_get_string_feature_value (global.pDevice, "DeviceVendorName"));
		ROS_INFO ("    Model name           = %s", arv_device_get_string_feature_value (global.pDevice, "DeviceModelName"));
		ROS_INFO ("    Device id            = %s", arv_device_get_string_feature_value (global.pDevice, "DeviceID"));
		ROS_INFO ("    Sensor width         = %d", global.widthSensor);
		ROS_INFO ("    Sensor height        = %d", global.heightSensor);
		ROS_INFO ("    ROI x,y,w,h          = %d, %d, %d, %d", global.xRoi, global.yRoi, global.widthRoi, global.heightRoi);
		ROS_INFO ("    Pixel format         = %s", global.pszPixelformat);
		ROS_INFO ("    BytesPerPixel        = %d", global.nBytesPixel);
		ROS_INFO ("    Acquisition Mode     = %s", global.isImplementedAcquisitionMode ? arv_device_get_string_feature_value (global.pDevice, "AcquisitionMode") : "(not implemented in camera)");
		ROS_INFO ("    Trigger Mode         = %s", global.isImplementedTriggerMode ? arv_device_get_string_feature_value (global.pDevice, "TriggerMode") : "(not implemented in camera)");
		ROS_INFO ("    Trigger Source       = %s", global.isImplementedTriggerSource ? arv_device_get_string_feature_value(global.pDevice, "TriggerSource") : "(not implemented in camera)");
		ROS_INFO ("    Can set FrameRate:     %s", global.isImplementedAcquisitionFrameRate ? "True" : "False");
		if (global.isImplementedAcquisitionFrameRate)
		{
			global.config.AcquisitionFrameRate = arv_device_get_float_feature_value (global.pDevice, global.keyAcquisitionFrameRate);
			ROS_INFO ("    AcquisitionFrameRate = %g hz", global.config.AcquisitionFrameRate);
		}

		ROS_INFO ("    Can set Exposure:      %s", global.isImplementedExposureTimeAbs ? "True" : "False");
		if (global.isImplementedExposureTimeAbs)
		{
			ROS_INFO ("    Can set ExposureAuto:  %s", global.isImplementedExposureAuto ? "True" : "False");
			ROS_INFO ("    Exposure             = %g us in range [%g,%g]", global.config.ExposureTimeAbs, global.configMin.ExposureTimeAbs, global.configMax.ExposureTimeAbs);
		}

		ROS_INFO ("    Can set Gain:          %s", global.isImplementedGain ? "True" : "False");
		if (global.isImplementedGain)
		{
			ROS_INFO ("    Can set GainAuto:      %s", global.isImplementedGainAuto ? "True" : "False");
			ROS_INFO ("    Gain                 = %f %% in range [%f,%f]", global.config.Gain, global.configMin.Gain, global.configMax.Gain);
		}

		ROS_INFO ("    Can set FocusPos:      %s", global.isImplementedFocusPos ? "True" : "False");

		if (global.isImplementedMtu)
			ROS_INFO ("    Network mtu          = %lu", arv_device_get_integer_feature_value(global.pDevice, "GevSCPSPacketSize"));

		ROS_INFO ("    ---------------------------");


//		// Print the tree of camera features, with their values.
//		ROS_INFO ("    ----------------------------------------------------------------------------------");
//		NODEEX		 nodeex;
//		ArvGc	*pGenicam=0;
//		pGenicam = arv_device_get_genicam(global.pDevice);
//
//		nodeex.szName = "Root";
//		nodeex.pNode = (ArvDomNode	*)arv_gc_get_node(pGenicam, nodeex.szName);
//		nodeex.pNodeSibling = NULL;
//		PrintDOMTree(pGenicam, nodeex, 0);
//		ROS_INFO ("    ----------------------------------------------------------------------------------");
			

		ArvGvStream *pStream = NULL;
		while (TRUE)
		{
			pStream = CreateStream();
			if (pStream)
				break;
			else
			{
				ROS_WARN("Could not create image stream for %s.  Retrying...", pszGuid);
				ros::Duration(1.0).sleep();
			    ros::spinOnce();
			}
		}


		ApplicationData applicationdata;
		applicationdata.nBuffers=0;
		applicationdata.main_loop = 0;

		// Set up image_raw.
		image_transport::ImageTransport		*pTransport = new image_transport::ImageTransport(*global.phNode);
		global.publisher = pTransport->advertiseCamera(ros::this_node::getName()+"/image_raw", 1);

		// Connect signals with callbacks.
		g_signal_connect (pStream,        "new-buffer",   G_CALLBACK (NewBuffer_callback),   &applicationdata);
		g_signal_connect (global.pDevice, "control-lost", G_CALLBACK (ControlLost_callback), NULL);
		g_timeout_add_seconds (1, PeriodicTask_callback, &applicationdata);
		arv_stream_set_emit_signals ((ArvStream *)pStream, TRUE);


		void (*pSigintHandlerOld)(int);
		pSigintHandlerOld = signal (SIGINT, set_cancel);

		arv_device_execute_command (global.pDevice, "AcquisitionStart");

		applicationdata.main_loop = g_main_loop_new (NULL, FALSE);
		g_main_loop_run (applicationdata.main_loop);

		if (global.idSoftwareTriggerTimer)
		{
			g_source_remove(global.idSoftwareTriggerTimer);
			global.idSoftwareTriggerTimer = 0;
		}

		signal (SIGINT, pSigintHandlerOld);

		g_main_loop_unref (applicationdata.main_loop);

		guint64 n_completed_buffers;
		guint64 n_failures;
		guint64 n_underruns;
		guint64 n_resent;
		guint64 n_missing;
		arv_stream_get_statistics ((ArvStream *)pStream, &n_completed_buffers, &n_failures, &n_underruns);
		ROS_INFO ("Completed buffers = %Lu", (unsigned long long) n_completed_buffers);
		ROS_INFO ("Failures          = %Lu", (unsigned long long) n_failures);
		ROS_INFO ("Underruns         = %Lu", (unsigned long long) n_underruns);
		arv_gv_stream_get_statistics (pStream, &n_resent, &n_missing);
		ROS_INFO ("Resent buffers    = %Lu", (unsigned long long) n_resent);
		ROS_INFO ("Missing           = %Lu", (unsigned long long) n_missing);

		arv_device_execute_command (global.pDevice, "AcquisitionStop");

		g_object_unref (pStream);

    }
    else
    	ROS_ERROR ("No cameras detected.");
    
    delete global.phNode;
    
    return 0;
} // main()
示例#9
0
void RosReconfigure_callback(Config &config, uint32_t level)
{
    int             changedAcquire;
    int             changedAcquisitionFrameRate;
    int             changedExposureAuto;
    int             changedGainAuto;
    int             changedExposureTimeAbs;
    int             changedGain;
    int             changedAcquisitionMode;
    int             changedTriggerMode;
    int             changedTriggerSource;
    int             changedSoftwarerate;
    int             changedFrameid;
    int             changedFocusPos;
    int             changedMtu;
    
    
    std::string tf_prefix = tf::getPrefixParam(*global.phNode);
    ROS_DEBUG_STREAM("tf_prefix: " << tf_prefix);
    
    if (config.frame_id == "")
        config.frame_id = "camera";

    
    // Find what the user changed.
    changedAcquire    			= (global.config.Acquire != config.Acquire);
    changedAcquisitionFrameRate = (global.config.AcquisitionFrameRate != config.AcquisitionFrameRate);
    changedExposureAuto 		= (global.config.ExposureAuto != config.ExposureAuto);
    changedExposureTimeAbs  	= (global.config.ExposureTimeAbs != config.ExposureTimeAbs);
    changedGainAuto     		= (global.config.GainAuto != config.GainAuto);
    changedGain         		= (global.config.Gain != config.Gain);
    changedAcquisitionMode 		= (global.config.AcquisitionMode != config.AcquisitionMode);
    changedTriggerMode  		= (global.config.TriggerMode != config.TriggerMode);
    changedTriggerSource		= (global.config.TriggerSource != config.TriggerSource);
    changedSoftwarerate  		= (global.config.softwaretriggerrate != config.softwaretriggerrate);
    changedFrameid      		= (global.config.frame_id != config.frame_id);
    changedFocusPos     		= (global.config.FocusPos != config.FocusPos);
    changedMtu          		= (global.config.mtu != config.mtu);


    // Limit params to legal values.
    config.AcquisitionFrameRate = CLIP(config.AcquisitionFrameRate, global.configMin.AcquisitionFrameRate, 	global.configMax.AcquisitionFrameRate);
    config.ExposureTimeAbs   	= CLIP(config.ExposureTimeAbs,  	global.configMin.ExposureTimeAbs,  		global.configMax.ExposureTimeAbs);
    config.Gain          		= CLIP(config.Gain,         		global.configMin.Gain,         			global.configMax.Gain);
    config.FocusPos       		= CLIP(config.FocusPos,      		global.configMin.FocusPos,      		global.configMax.FocusPos);
    config.frame_id   			= tf::resolve(tf_prefix, config.frame_id);


    // Adjust other controls dependent on what the user changed.
    if (changedExposureTimeAbs || changedGainAuto || ((changedAcquisitionFrameRate || changedGain || changedFrameid
					|| changedAcquisitionMode || changedTriggerSource || changedSoftwarerate) && config.ExposureAuto=="Once"))
    	config.ExposureAuto = "Off";

    if (changedGain || changedExposureAuto || ((changedAcquisitionFrameRate || changedExposureTimeAbs || changedFrameid
					|| changedAcquisitionMode || changedTriggerSource || changedSoftwarerate) && config.GainAuto=="Once"))
    	config.GainAuto = "Off";

    if (changedAcquisitionFrameRate)
    	config.TriggerMode = "Off";


    // Find what changed for any reason.
    changedAcquire    			= (global.config.Acquire != config.Acquire);
    changedAcquisitionFrameRate = (global.config.AcquisitionFrameRate != config.AcquisitionFrameRate);
    changedExposureAuto 		= (global.config.ExposureAuto != config.ExposureAuto);
    changedExposureTimeAbs     	= (global.config.ExposureTimeAbs != config.ExposureTimeAbs);
    changedGainAuto     		= (global.config.GainAuto != config.GainAuto);
    changedGain            		= (global.config.Gain != config.Gain);
    changedAcquisitionMode 		= (global.config.AcquisitionMode != config.AcquisitionMode);
    changedTriggerMode  		= (global.config.TriggerMode != config.TriggerMode);
    changedTriggerSource		= (global.config.TriggerSource != config.TriggerSource);
    changedSoftwarerate  		= (global.config.softwaretriggerrate != config.softwaretriggerrate);
    changedFrameid      		= (global.config.frame_id != config.frame_id);
    changedFocusPos     		= (global.config.FocusPos != config.FocusPos);
    changedMtu          		= (global.config.mtu != config.mtu);

    
    // Set params into the camera.
    if (changedExposureTimeAbs)
    {
    	if (global.isImplementedExposureTimeAbs)
		{
			ROS_INFO ("Set ExposureTimeAbs = %f", config.ExposureTimeAbs);
			arv_device_set_float_feature_value (global.pDevice, "ExposureTimeAbs", config.ExposureTimeAbs);
		}
    	else
    		ROS_INFO ("Camera does not support ExposureTimeAbs.");
    }

    if (changedGain)
    {
    	if (global.isImplementedGain)
		{
			ROS_INFO ("Set gain = %f", config.Gain);
			//arv_device_set_integer_feature_value (global.pDevice, "GainRaw", config.GainRaw);
			arv_camera_set_gain (global.pCamera, config.Gain);
		}
    	else
    		ROS_INFO ("Camera does not support Gain or GainRaw.");
    }

    if (changedExposureAuto)
    {
    	if (global.isImplementedExposureAuto && global.isImplementedExposureTimeAbs)
		{
			ROS_INFO ("Set ExposureAuto = %s", config.ExposureAuto.c_str());
			arv_device_set_string_feature_value (global.pDevice, "ExposureAuto", config.ExposureAuto.c_str());
			if (config.ExposureAuto=="Once")
			{
				ros::Duration(2.0).sleep();
				config.ExposureTimeAbs = arv_device_get_float_feature_value (global.pDevice, "ExposureTimeAbs");
				ROS_INFO ("Get ExposureTimeAbs = %f", config.ExposureTimeAbs);
				config.ExposureAuto = "Off";
			}
		}
    	else
    		ROS_INFO ("Camera does not support ExposureAuto.");
    }
    if (changedGainAuto)
    {
    	if (global.isImplementedGainAuto && global.isImplementedGain)
		{
			ROS_INFO ("Set GainAuto = %s", config.GainAuto.c_str());
			arv_device_set_string_feature_value (global.pDevice, "GainAuto", config.GainAuto.c_str());
			if (config.GainAuto=="Once")
			{
				ros::Duration(2.0).sleep();
				//config.GainRaw = arv_device_get_integer_feature_value (global.pDevice, "GainRaw");
				config.Gain = arv_camera_get_gain (global.pCamera);
				ROS_INFO ("Get Gain = %f", config.Gain);
				config.GainAuto = "Off";
			}
		}
    	else
    		ROS_INFO ("Camera does not support GainAuto.");
    }

    if (changedAcquisitionFrameRate)
    {
    	if (global.isImplementedAcquisitionFrameRate)
		{
			ROS_INFO ("Set %s = %f", global.keyAcquisitionFrameRate, config.AcquisitionFrameRate);
			arv_device_set_float_feature_value (global.pDevice, global.keyAcquisitionFrameRate, config.AcquisitionFrameRate);
		}
    	else
    		ROS_INFO ("Camera does not support AcquisitionFrameRate.");
    }

    if (changedTriggerMode)
    {
    	if (global.isImplementedTriggerMode)
		{
			ROS_INFO ("Set TriggerMode = %s", config.TriggerMode.c_str());
			arv_device_set_string_feature_value (global.pDevice, "TriggerMode", config.TriggerMode.c_str());
		}
    	else
    		ROS_INFO ("Camera does not support TriggerMode.");
    }

    if (changedTriggerSource)
    {
    	if (global.isImplementedTriggerSource)
		{
			ROS_INFO ("Set TriggerSource = %s", config.TriggerSource.c_str());
			arv_device_set_string_feature_value (global.pDevice, "TriggerSource", config.TriggerSource.c_str());
		}
    	else
    		ROS_INFO ("Camera does not support TriggerSource.");
    }

    if ((changedTriggerMode || changedTriggerSource || changedSoftwarerate) && config.TriggerMode=="On" && config.TriggerSource=="Software")
    {
    	if (global.isImplementedAcquisitionFrameRate)
		{
			// The software rate is limited by the camera's internal framerate.  Bump up the camera's internal framerate if necessary.
			config.AcquisitionFrameRate = global.configMax.AcquisitionFrameRate;
			ROS_INFO ("Set %s = %f", global.keyAcquisitionFrameRate, config.AcquisitionFrameRate);
			arv_device_set_float_feature_value (global.pDevice, global.keyAcquisitionFrameRate, config.AcquisitionFrameRate);
		}
    }

    if (changedTriggerSource || changedSoftwarerate)
    {
    	// Recreate the software trigger callback.
		if (global.idSoftwareTriggerTimer)
		{
			g_source_remove(global.idSoftwareTriggerTimer);
			global.idSoftwareTriggerTimer = 0;
		}
    	if (!strcmp(config.TriggerSource.c_str(),"Software"))
    	{
        	ROS_INFO ("Set softwaretriggerrate = %f", 1000.0/ceil(1000.0 / config.softwaretriggerrate));

    		// Turn on software timer callback.
    		global.idSoftwareTriggerTimer = g_timeout_add ((guint)ceil(1000.0 / config.softwaretriggerrate), SoftwareTrigger_callback, global.pCamera);
    	}
    }
    if (changedFocusPos)
    {
    	if (global.isImplementedFocusPos)
		{
			ROS_INFO ("Set FocusPos = %d", config.FocusPos);
			arv_device_set_integer_feature_value(global.pDevice, "FocusPos", config.FocusPos);
			ros::Duration(1.0).sleep();
			config.FocusPos = arv_device_get_integer_feature_value(global.pDevice, "FocusPos");
			ROS_INFO ("Get FocusPos = %d", config.FocusPos);
		}
    	else
    		ROS_INFO ("Camera does not support FocusPos.");
    }
    if (changedMtu)
    {
    	if (global.isImplementedMtu)
		{
			ROS_INFO ("Set mtu = %d", config.mtu);
			arv_device_set_integer_feature_value(global.pDevice, "GevSCPSPacketSize", config.mtu);
			ros::Duration(1.0).sleep();
			config.mtu = arv_device_get_integer_feature_value(global.pDevice, "GevSCPSPacketSize");
			ROS_INFO ("Get mtu = %d", config.mtu);
		}
    	else
    		ROS_INFO ("Camera does not support mtu (i.e. GevSCPSPacketSize).");
    }

    if (changedAcquisitionMode)
    {
    	if (global.isImplementedAcquisitionMode)
		{
			ROS_INFO ("Set AcquisitionMode = %s", config.AcquisitionMode.c_str());
			arv_device_set_string_feature_value (global.pDevice, "AcquisitionMode", config.AcquisitionMode.c_str());

			ROS_INFO("AcquisitionStop");
			arv_device_execute_command (global.pDevice, "AcquisitionStop");
			ROS_INFO("AcquisitionStart");
			arv_device_execute_command (global.pDevice, "AcquisitionStart");
		}
    	else
    		ROS_INFO ("Camera does not support AcquisitionMode.");
    }

    if (changedAcquire)
    {
    	if (config.Acquire)
    	{
    		ROS_INFO("AcquisitionStart");
			arv_device_execute_command (global.pDevice, "AcquisitionStart");
    	}
    	else
    	{
    		ROS_INFO("AcquisitionStop");
			arv_device_execute_command (global.pDevice, "AcquisitionStop");
    	}
    }



    global.config = config;

} // RosReconfigure_callback()