bool CvCaptureCAM_Aravis::open( int index )
{
if(create(index)) {
// fetch properties bounds
pixelFormats = arv_camera_get_available_pixel_formats(camera, &pixelFormatsCnt);
arv_camera_get_width_bounds(camera, &widthMin, &widthMax);
arv_camera_get_height_bounds(camera, &heightMin, &heightMax);
arv_camera_set_region(camera, 0, 0, widthMax, heightMax);
if( (fpsAvailable = arv_camera_is_frame_rate_available(camera)) )
arv_camera_get_frame_rate_bounds(camera, &fpsMin, &fpsMax);
if( (gainAvailable = arv_camera_is_gain_available(camera)) )
arv_camera_get_gain_bounds (camera, &gainMin, &gainMax);
if( (exposureAvailable = arv_camera_is_exposure_time_available(camera)) )
arv_camera_get_exposure_time_bounds (camera, &exposureMin, &exposureMax);
// get initial values
pixelFormat = arv_camera_get_pixel_format(camera);
exposure = exposureAvailable ? arv_camera_get_exposure_time(camera) : 0;
gain = gainAvailable ? arv_camera_get_gain(camera) : 0;
fps = arv_camera_get_frame_rate(camera);
return startCapture();
}
return false;
}
void
gst_aravis_init_camera (GstAravis *gst_aravis)
{
if (gst_aravis->camera != NULL)
g_object_unref (gst_aravis->camera);
gst_aravis->camera = arv_camera_new (gst_aravis->camera_name);
gst_aravis->gain = arv_camera_get_gain(gst_aravis->camera);
gst_aravis->gain_auto = arv_camera_is_gain_available(gst_aravis->camera);
gst_aravis->exposure_time_us = arv_camera_get_exposure_time(gst_aravis->camera);
if (arv_camera_get_exposure_time_auto(gst_aravis->camera) == ARV_AUTO_OFF)
gst_aravis->exposure_auto = FALSE;
else
gst_aravis->exposure_auto = TRUE;
arv_camera_get_region (gst_aravis->camera, &gst_aravis->offset_x, &gst_aravis->offset_y, NULL, NULL);
arv_camera_get_binning (gst_aravis->camera, &gst_aravis->h_binning, &gst_aravis->v_binning);
gst_aravis->payload = 0;
}
