Example #1
0
	CamGigE::~CamGigE()
	{

		arv_camera_stop_acquisition(camera);
		isCapturing = false;

		arv_camera_stop_acquisition(camera);
		g_object_unref(stream);
		g_object_unref(camera);


	}
Example #2
0
    void CameraGigeAravis::acqStop(){

        arv_stream_get_statistics(stream, &nbCompletedBuffers, &nbFailures, &nbUnderruns);

        //cout << "Completed buffers = " << (unsigned long long) nbCompletedBuffers   << endl;
        //cout << "Failures          = " << (unsigned long long) nbFailures           << endl;
        //cout << "Underruns         = " << (unsigned long long) nbUnderruns          << endl;

        BOOST_LOG_SEV(logger, notification) << "Completed buffers = " << (unsigned long long) nbCompletedBuffers;
        BOOST_LOG_SEV(logger, notification) << "Failures          = " << (unsigned long long) nbFailures;
        BOOST_LOG_SEV(logger, notification) << "Underruns         = " << (unsigned long long) nbUnderruns;

        BOOST_LOG_SEV(logger, notification) << "Stopping acquisition...";
        arv_camera_stop_acquisition(camera);
        BOOST_LOG_SEV(logger, notification) << "Acquisition stopped.";

        BOOST_LOG_SEV(logger, notification) << "Unreferencing stream.";
        g_object_unref(stream);
        stream = NULL;

        BOOST_LOG_SEV(logger, notification) << "Unreferencing camera.";
        g_object_unref(camera);
        camera = NULL;

    }
Example #3
0
void CvCaptureCAM_Aravis::stopCapture()
{
    arv_camera_stop_acquisition(camera);

    g_object_unref(stream);
    stream = NULL;
}
Example #4
0
static unicap_status_t aravis_capture_stop( aravis_handle_t handle )
{
	arv_camera_stop_acquisition (handle->camera);
	if (handle->stream){
		g_object_unref (handle->stream);
		handle->stream = NULL;
	}
	return STATUS_SUCCESS;
}
Example #5
0
gboolean gst_aravis_stop( GstBaseSrc * src )
{
        GstAravis* gst_aravis = GST_ARAVIS(src);

	arv_camera_stop_acquisition (gst_aravis->camera);

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

	}
	if (gst_aravis->all_caps != NULL) {
		gst_caps_unref (gst_aravis->all_caps);
		gst_aravis->all_caps = NULL;
	}

        GST_DEBUG_OBJECT (gst_aravis, "Stop acquisition");

        return TRUE;
}
Example #6
0
	void CamGigE::stop()
	{
		arv_camera_stop_acquisition(camera);
		isCapturing = false;
	}
Example #7
0
int main(int argc, char *argv[])
{
    ArvDevice *device;
    ArvStream *stream;
    ArvCamera *camera;
    ArvGcFeatureNode *feature;
    guint64 n_completed_buffers;
    guint64 n_failures;
    guint64 n_underruns;
    GOptionContext *context;
    GError *error = NULL;
    void (*old_sigint_handler)(int);
    int i, payload;

    arv_g_thread_init (NULL);
    arv_g_type_init ();

    context = g_option_context_new (NULL);
    g_option_context_set_summary (context, "Test of heartbeat robustness while continuously changing a feature.");
    g_option_context_add_main_entries (context, arv_option_entries, NULL);

    if (!g_option_context_parse (context, &argc, &argv, &error)) {
	    g_option_context_free (context);
	    g_print ("Option parsing failed: %s\n", error->message);
	    g_error_free (error);
	    return EXIT_FAILURE;
    }

    g_option_context_free (context);

    arv_debug_enable (arv_option_debug_domains);

    camera = arv_camera_new (arv_option_camera_name);
    if (!ARV_IS_CAMERA (camera)) {
	    printf ("Device not found\n");
	    return EXIT_FAILURE;
    }

    device = arv_camera_get_device (camera);

    stream = arv_camera_create_stream (camera, NULL, NULL);
    if (!ARV_IS_STREAM (stream)) {
	    printf ("Invalid device\n");
    } else {
	    payload = arv_camera_get_payload (camera);

	    if (ARV_IS_GV_STREAM (stream)) {
		    g_object_set (stream,
				  //"socket-buffer", ARV_GV_STREAM_SOCKET_BUFFER_AUTO,
				  "socket-buffer", ARV_GV_STREAM_SOCKET_BUFFER_FIXED,
				  "socket-buffer-size", payload*6,
				  "packet-timeout", 1000 * 1000,
				  "frame-retention", 100 * 1000,
				  "packet-resend", ARV_GV_STREAM_PACKET_RESEND_ALWAYS,
				  NULL);
	    }

	    for (i = 0; i < 100; i++)
		    arv_stream_push_buffer(stream, arv_buffer_new(payload, NULL));

	    arv_camera_set_acquisition_mode(camera, ARV_ACQUISITION_MODE_CONTINUOUS);

	    feature = ARV_GC_FEATURE_NODE (arv_device_get_feature (device, arv_option_feature_name));

	    arv_camera_start_acquisition (camera);

	    old_sigint_handler = signal (SIGINT, set_cancel);

	    while (!cancel) {
		    ArvBuffer *buffer = arv_stream_timeout_pop_buffer(stream, 2000000);
		    if (buffer) {
			    usleep(10);
			    arv_stream_push_buffer (stream, buffer);
		    }

		    if (!(++i%5)) {
			    char *value;

			    if ((i/100) % 2 == 0)
				    value = g_strdup_printf ("%d", arv_option_min);
			    else
				    value = g_strdup_printf ("%d", arv_option_max);

			    fprintf (stderr, "Setting %s from %s to %s\n",
				     arv_option_feature_name,
				     arv_gc_feature_node_get_value_as_string (feature, NULL),
				     value);
			    arv_gc_feature_node_set_value_from_string (feature, value, NULL);

			    g_free (value);
		    }
	    }

	    signal (SIGINT, old_sigint_handler);

	    arv_stream_get_statistics (stream, &n_completed_buffers, &n_failures, &n_underruns);

	    printf ("\nCompleted buffers = %Lu\n", (unsigned long long) n_completed_buffers);
	    printf ("Failures          = %Lu\n", (unsigned long long) n_failures);
	    printf ("Underruns         = %Lu\n", (unsigned long long) n_underruns);

	    arv_camera_stop_acquisition (camera);
    }

    g_object_unref (camera);

    return 0;
}
Example #8
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;
}
int main (int argc, char **argv)
{
	
	ArvCamera * camera;
	ArvStream *stream;
	ArvBuffer *buffer;
	GOptionContext *context;
	GError *error = NULL;
	char memory_buffer[100000];
	int i;

	arv_g_thread_init (NULL);
	arv_g_type_init ();

	context = g_option_context_new (NULL);
	g_option_context_add_main_entries (context, arv_option_entries, NULL);

	if (!g_option_context_parse (context, &argc, &argv, &error)) {
		g_option_context_free (context);
		g_print ("Option parsing failed: %s\n", error->message);
		g_error_free (error);
		return EXIT_FAILURE;
	}

	g_option_context_free (context);
	if (arv_option_max_frames < 0)
		arv_option_max_errors_before_abort = -1;
	
	save_buffer_fn = GetSaveBufferFn(arv_option_save_type);

	arv_debug_enable (arv_option_debug_domains);

	if (arv_option_camera_name == NULL)
		g_print ("Looking for the first available camera\n");
	else
		g_print ("Looking for camera '%s'\n", arv_option_camera_name);

	camera = arv_camera_new (arv_option_camera_name);
	
	int errors = 0;
	if (camera == NULL)
	{
		g_print("No device found");
		return 1;
	}

	guint payload_size = arv_camera_get_payload(camera);
	g_print ("payload size  = %d (0x%x)\n", payload_size, payload_size);
	

	stream = arv_camera_create_stream (camera, NULL, NULL);
	if (arv_option_auto_buffer)
	{
		g_object_set (stream,"socket-buffer", ARV_GV_STREAM_SOCKET_BUFFER_AUTO,"socket-buffer-size", 0,NULL);
	}
	
	for (i = 0; i < 30; i++)
	{
		arv_stream_push_buffer (stream, arv_buffer_new (payload_size, NULL));
	}
	
	arv_camera_stop_acquisition(camera);

	// set the bit depth
	ArvDevice * device = arv_camera_get_device(camera);
	ArvGcNode * feature = arv_device_get_feature(device, "PixelFormat");
	char * pix_format = "Mono8";
	if (arv_option_pixel_format == 14)
		pix_format = "Mono14";
	arv_gc_feature_node_set_value_from_string(ARV_GC_FEATURE_NODE(feature), pix_format, NULL);
	if (arv_option_pixel_format == 14)
	{
		feature = arv_device_get_feature(device, "CMOSBitDepth");
		arv_gc_feature_node_set_value_from_string(ARV_GC_FEATURE_NODE(feature), "bit14bit", NULL);
	}


	signal (SIGINT, set_cancel);
	signal (SIGQUIT, set_cancel);

	int captured_frames = 0;
	guint64 timeout=1000000;
	#define _CAN_STOP (arv_option_max_frames > 0 && captured_frames >= arv_option_max_frames)
	arv_camera_start_acquisition(camera);
	do {
		g_usleep (100000);
			do  {
			buffer = arv_stream_timeout_pop_buffer (stream, timeout);
			if (buffer == NULL) break;
			ArvBufferStatus status = arv_buffer_get_status(buffer);
			fprintf(stderr, "Status is %d\n", status);
			if (status == ARV_BUFFER_STATUS_SUCCESS)
			{
		
				
				
				if (timeout > 100000) timeout -= 1000;
				errors = 0;
				if (save_buffer_fn != NULL)
				{
					struct timespec timestamp;
					clock_gettime(CLOCK_REALTIME, &timestamp);
					char filename[BUFSIZ];
					if (strcmp(arv_option_save_prefix,"") != 0)
					{
						sprintf(filename, "%s/%s%d.%s", arv_option_save_dir,arv_option_save_prefix, captured_frames, arv_option_save_type);
					}
					else
					{
						sprintf(filename, "%s/%d.%03ld.%s", arv_option_save_dir, (int)timestamp.tv_sec, (long)(timestamp.tv_nsec/1.0e6), arv_option_save_type);
					}
					if ((*save_buffer_fn)(buffer, filename) == false)
					{
						g_print("Couldn't save frame %d to %s\n", captured_frames, filename);
						set_cancel(SIGQUIT);
					}
					g_print("Saved frame %d to %s\n", captured_frames, filename);
					char latest[] = "latest.png";
					sprintf(latest, "latest.%s", arv_option_save_type);
					unlink(latest);
					symlink(filename, latest);
				}
				captured_frames++;
				g_usleep(arv_option_sample_period);
			}
			else 
			{
				if (timeout < 10000000) timeout+=1000;
				fprintf(stderr, "%d errors out of %d allowed\n", errors, arv_option_max_errors_before_abort);
				arv_camera_stop_acquisition(camera);
				if (++errors > arv_option_max_errors_before_abort && arv_option_max_errors_before_abort >= 0)
				{
					set_cancel(SIGQUIT);
				}
				else
				{
					arv_camera_start_acquisition(camera);
				}
			}
			arv_stream_push_buffer (stream, buffer);
			
			
			
		} while (!cancel && buffer != NULL && !_CAN_STOP);
	} while (!cancel && !_CAN_STOP);
	arv_camera_stop_acquisition(camera);


	guint64 n_processed_buffers; guint64 n_failures; guint64 n_underruns;
	arv_stream_get_statistics (stream, &n_processed_buffers, &n_failures, &n_underruns);
	g_print ("Processed buffers = %Lu\n", (unsigned long long) n_processed_buffers);
	g_print ("Failures          = %Lu\n", (unsigned long long) n_failures);
	g_print ("Underruns         = %Lu\n", (unsigned long long) n_underruns);


	g_object_unref (stream);
	g_object_unref (camera);
	
	
	return (errors > 0);
}
Example #10
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;
}
Example #11
0
int
main (int argc, char **argv)
{
	ApplicationData data;
	ArvCamera *camera;
	ArvStream *stream;
	ArvBuffer *buffer;
	int i;

	data.buffer_count = 0;

	/* Mandatory glib type system initialization */
	arv_g_type_init ();

	/* Instantiation of the first available camera */
	camera = arv_camera_new (NULL);

	if (camera != NULL) {
		void (*old_sigint_handler)(int);
		gint payload;
		guint software_trigger_source = 0;

		/* Set region of interrest to a 200x200 pixel area */
		arv_camera_set_region (camera, 0, 0, 200, 200);
		/* Set frame rate to 10 Hz */
		arv_camera_set_frame_rate (camera, 10.0);
		/* retrieve image payload (number of bytes per image) */
		payload = arv_camera_get_payload (camera);

		/* Create a new stream object */
		stream = arv_camera_create_stream (camera, NULL, NULL);
		if (stream != NULL) {
			/* Push 50 buffer in the stream input buffer queue */
			for (i = 0; i < 50; i++)
				arv_stream_push_buffer (stream, arv_buffer_new (payload, NULL));

			/* Start the video stream */
			arv_camera_start_acquisition (camera);

			/* Connect the new-buffer signal */
			g_signal_connect (stream, "new-buffer", G_CALLBACK (new_buffer_cb), &data);
			/* And enable emission of this signal (it's disabled by default for performance reason) */
			arv_stream_set_emit_signals (stream, TRUE);

			/* Connect the control-lost signal */
			g_signal_connect (arv_camera_get_device (camera), "control-lost",
					  G_CALLBACK (control_lost_cb), NULL);

			/* Install the callback for frame rate display */
			g_timeout_add_seconds (1, periodic_task_cb, &data);

			/* Create a new glib main loop */
			data.main_loop = g_main_loop_new (NULL, FALSE);

			old_sigint_handler = signal (SIGINT, set_cancel);

			/* Run the main loop */
			g_main_loop_run (data.main_loop);

			signal (SIGINT, old_sigint_handler);

			g_main_loop_unref (data.main_loop);

			/* Stop the video stream */
			arv_camera_stop_acquisition (camera);

			g_object_unref (stream);
		} else
			printf ("Can't create stream thread (check if the device is not already used)\n");

		g_object_unref (camera);
	} else
		printf ("No camera found\n");

	return 0;
}