static unicap_status_t aravis_enumerate_devices (unicap_device_t *device, int index)
{
unicap_status_t status = STATUS_NO_MATCH;
if (index == 0)
arv_update_device_list ();
unicap_void_device (device);
if (index < arv_get_n_devices ()){
ArvCamera *camera;
strncpy (device->identifier, arv_get_device_id (index), sizeof (device->identifier)-1);
camera = arv_camera_new (device->identifier);
if (arv_camera_get_model_name (camera))
strncpy (device->model_name, arv_camera_get_model_name (camera), sizeof (device->model_name)-1);
if (arv_camera_get_vendor_name (camera))
strncpy (device->vendor_name, arv_camera_get_vendor_name (camera), sizeof (device->vendor_name)-1);
strcpy (device->cpi_layer, "aravis_cpi");
status = STATUS_SUCCESS;
g_object_unref (camera);
}
return status;
}
static GObject *
arv_camera_constructor (GType gtype, guint n_properties, GObjectConstructParam *properties)
{
GObject *object;
ArvCamera *camera;
ArvCameraVendor vendor;
ArvCameraSeries series;
const char *vendor_name;
const char *model_name;
/* always call parent constructor */
object = parent_class->constructor(gtype, n_properties, properties);
camera = ARV_CAMERA (object);
if (!camera->priv->device)
camera->priv->device = arv_open_device (NULL);
if (!ARV_IS_DEVICE (camera->priv->device))
return NULL;
camera->priv->genicam = arv_device_get_genicam (camera->priv->device);
vendor_name = arv_camera_get_vendor_name (camera);
model_name = arv_camera_get_model_name (camera);
if (g_strcmp0 (vendor_name, "Basler") == 0) {
vendor = ARV_CAMERA_VENDOR_BASLER;
if (g_str_has_prefix (model_name, "acA"))
series = ARV_CAMERA_SERIES_BASLER_ACE;
else if (g_str_has_prefix (model_name, "scA"))
series = ARV_CAMERA_SERIES_BASLER_SCOUT;
else
series = ARV_CAMERA_SERIES_BASLER_OTHER;
} else if (g_strcmp0 (vendor_name, "Prosilica") == 0) {
vendor = ARV_CAMERA_VENDOR_PROSILICA;
series = ARV_CAMERA_SERIES_PROSILICA;
} else if (g_strcmp0 (vendor_name, "The Imaging Source Europe GmbH") == 0) {
vendor = ARV_CAMERA_VENDOR_TIS;
series = ARV_CAMERA_SERIES_TIS;
} else if (g_strcmp0 (vendor_name, "DALSA") == 0) {
vendor = ARV_CAMERA_VENDOR_DALSA;
series = ARV_CAMERA_SERIES_DALSA;
} else {
vendor = ARV_CAMERA_VENDOR_UNKNOWN;
series = ARV_CAMERA_SERIES_UNKNOWN;
}
camera->priv->vendor = vendor;
camera->priv->series = series;
return object;
}
bool CameraGigeAravis::grabInitialization(){
frameCounter = 0;
payload = arv_camera_get_payload (camera);
BOOST_LOG_SEV(logger, notification) << "Camera payload : " << payload;
pixFormat = arv_camera_get_pixel_format(camera);
arv_camera_get_exposure_time_bounds (camera, &exposureMin, &exposureMax);
BOOST_LOG_SEV(logger, notification) << "Camera exposure bound min : " << exposureMin;
BOOST_LOG_SEV(logger, notification) << "Camera exposure bound max : " << exposureMax;
arv_camera_get_gain_bounds (camera, &gainMin, &gainMax);
BOOST_LOG_SEV(logger, notification) << "Camera gain bound min : " << gainMin;
BOOST_LOG_SEV(logger, notification) << "Camera gain bound max : " << gainMax;
arv_camera_set_frame_rate(camera, 30);
fps = arv_camera_get_frame_rate(camera);
BOOST_LOG_SEV(logger, notification) << "Camera frame rate : " << fps;
capsString = arv_pixel_format_to_gst_caps_string(pixFormat);
BOOST_LOG_SEV(logger, notification) << "Camera format : " << capsString;
gain = arv_camera_get_gain(camera);
BOOST_LOG_SEV(logger, notification) << "Camera gain : " << gain;
exp = arv_camera_get_exposure_time(camera);
BOOST_LOG_SEV(logger, notification) << "Camera exposure : " << exp;
cout << endl;
cout << "DEVICE SELECTED : " << arv_camera_get_device_id(camera) << endl;
cout << "DEVICE NAME : " << arv_camera_get_model_name(camera) << endl;
cout << "DEVICE VENDOR : " << arv_camera_get_vendor_name(camera) << endl;
cout << "PAYLOAD : " << payload << endl;
cout << "Width : " << mWidth << endl
<< "Height : " << mHeight << endl;
cout << "Exp Range : [" << exposureMin << " - " << exposureMax << "]" << endl;
cout << "Exp : " << exp << endl;
cout << "Gain Range : [" << gainMin << " - " << gainMax << "]" << endl;
cout << "Gain : " << gain << endl;
cout << "Fps : " << fps << endl;
cout << "Type : " << capsString << endl;
cout << endl;
// Create a new stream object. Open stream on Camera.
stream = arv_camera_create_stream(camera, NULL, NULL);
if(stream == NULL){
BOOST_LOG_SEV(logger, critical) << "Fail to create stream with arv_camera_create_stream()";
return false;
}
if (ARV_IS_GV_STREAM(stream)){
bool arv_option_auto_socket_buffer = true;
bool arv_option_no_packet_resend = true;
unsigned int arv_option_packet_timeout = 20;
unsigned int arv_option_frame_retention = 100;
if(arv_option_auto_socket_buffer){
g_object_set(stream,
// ARV_GV_STREAM_SOCKET_BUFFER_FIXED : socket buffer is set to a given fixed value.
// ARV_GV_STREAM_SOCKET_BUFFER_AUTO: socket buffer is set with respect to the payload size.
"socket-buffer", ARV_GV_STREAM_SOCKET_BUFFER_AUTO,
// Socket buffer size, in bytes.
// Allowed values: >= G_MAXULONG
// Default value: 0
"socket-buffer-size", 0, NULL);
}
if(arv_option_no_packet_resend){
// # packet-resend : Enables or disables the packet resend mechanism
// If packet resend is disabled and a packet has been lost during transmission,
// the grab result for the returned buffer holding the image will indicate that
// the grab failed and the image will be incomplete.
//
// If packet resend is enabled and a packet has been lost during transmission,
// a request is sent to the camera. If the camera still has the packet in its
// buffer, it will resend the packet. If there are several lost packets in a
// row, the resend requests will be combined.
g_object_set(stream,
// ARV_GV_STREAM_PACKET_RESEND_NEVER: never request a packet resend
// ARV_GV_STREAM_PACKET_RESEND_ALWAYS: request a packet resend if a packet was missing
// Default value: ARV_GV_STREAM_PACKET_RESEND_ALWAYS
"packet-resend", ARV_GV_STREAM_PACKET_RESEND_NEVER, NULL);
}
g_object_set(stream,
// # packet-timeout
// The Packet Timeout parameter defines how long (in milliseconds) we will wait for
// the next expected packet before it initiates a resend request.
// Packet timeout, in µs.
// Allowed values: [1000,10000000]
// Default value: 40000
"packet-timeout",/* (unsigned) arv_option_packet_timeout * 1000*/(unsigned)40000,
// # frame-retention
// The Frame Retention parameter sets the timeout (in milliseconds) for the
// frame retention timer. Whenever detection of the leader is made for a frame,
// the frame retention timer starts. The timer resets after each packet in the
// frame is received and will timeout after the last packet is received. If the
// timer times out at any time before the last packet is received, the buffer for
// the frame will be released and will be indicated as an unsuccessful grab.
// Packet retention, in µs.
// Allowed values: [1000,10000000]
// Default value: 200000
"frame-retention", /*(unsigned) arv_option_frame_retention * 1000*/(unsigned) 200000,NULL);
}else
return false;
// Push 50 buffer in the stream input buffer queue.
for (int i = 0; i < 50; i++)
arv_stream_push_buffer(stream, arv_buffer_new(payload, NULL));
return true;
}
