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];
}
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;
}
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;
}
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;
}
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;
}
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;
}
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;
}
