static GstCaps *
gst_aravis_get_all_camera_caps (GstAravis *gst_aravis)
{
GstCaps *caps;
gint64 *pixel_formats;
double min_frame_rate, max_frame_rate;
int min_height, min_width;
int max_height, max_width;
unsigned int n_pixel_formats, i;
g_return_val_if_fail (GST_IS_ARAVIS (gst_aravis), NULL);
if (!ARV_IS_CAMERA (gst_aravis->camera))
return NULL;
GST_LOG_OBJECT (gst_aravis, "Get all camera caps");
arv_camera_get_width_bounds (gst_aravis->camera, &min_width, &max_width);
arv_camera_get_height_bounds (gst_aravis->camera, &min_height, &max_height);
pixel_formats = arv_camera_get_available_pixel_formats (gst_aravis->camera, &n_pixel_formats);
arv_camera_get_frame_rate_bounds (gst_aravis->camera, &min_frame_rate, &max_frame_rate);
int min_frame_rate_numerator;
int min_frame_rate_denominator;
gst_util_double_to_fraction (min_frame_rate, &min_frame_rate_numerator, &min_frame_rate_denominator);
int max_frame_rate_numerator;
int max_frame_rate_denominator;
gst_util_double_to_fraction (max_frame_rate, &max_frame_rate_numerator, &max_frame_rate_denominator);
caps = gst_caps_new_empty ();
for (i = 0; i < n_pixel_formats; i++) {
const char *caps_string;
caps_string = arv_pixel_format_to_gst_caps_string (pixel_formats[i]);
if (caps_string != NULL) {
GstStructure *structure;
structure = gst_structure_from_string (caps_string, NULL);
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, min_width, max_width,
"height", GST_TYPE_INT_RANGE, min_height, max_height,
"framerate", GST_TYPE_FRACTION_RANGE,
min_frame_rate_numerator, min_frame_rate_denominator,
max_frame_rate_numerator, max_frame_rate_denominator,
NULL);
gst_caps_append_structure (caps, structure);
}
}
g_free (pixel_formats);
return caps;
}
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;
}
static gboolean
gst_aravis_set_caps (GstBaseSrc *src, GstCaps *caps)
{
GstAravis* gst_aravis = GST_ARAVIS(src);
GstStructure *structure;
ArvPixelFormat pixel_format;
int height, width;
const GValue *frame_rate;
const char *caps_string;
const char *format_string;
unsigned int i;
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");
format_string = gst_structure_get_string (structure, "format");
pixel_format = arv_pixel_format_from_gst_caps (gst_structure_get_name (structure), format_string);
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_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;
}
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;
}
