/* * module to read video data from SVBcams. * maybe you have to add something like: /etc/udev.d/90-svbony.rules to get read/wirte access for users in 'plugdev' * SUBSYSTEMS=="usb", ATTRS{idVendor}=="f266", ATTRS{idProduct}=="9a0a", GROUP="plugdev", MODE="0660" */ #include #include "convert.h" #include "videodev-svbcam.h" VideoDev_SVBCam::VideoDev_SVBCam() { printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); camid = -1; }; VideoDev_SVBCam::~VideoDev_SVBCam() { printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); if (running > 0) CaptureStop(); } void VideoDev_SVBCam::print_error(int err) { switch (err) { case SVB_ERROR_INVALID_ID: printf ("SVB_ERROR_INVALID_ID\n"); break; case SVB_ERROR_CAMERA_REMOVED: printf ("SVB_ERROR_CAMERA_REMOVED\n"); break; case SVB_ERROR_CAMERA_CLOSED: printf ("SVB_ERROR_CAMERA_CLOSED\n"); break; case SVB_ERROR_INVALID_SIZE: printf ("SVB_ERROR_INVALID_SIZE\n"); break; case SVB_ERROR_INVALID_IMGTYPE: printf ("SVB_ERROR_INVALID_IMGTYPE\n"); break; case SVB_ERROR_INVALID_MODE: printf ("SVB_ERROR_INVALID_MODE\n"); break; case SVB_ERROR_EXPOSURE_IN_PROGRESS: printf("SVB_ERROR_EXPOSURE_IN_PROGRESS\n"); break; case SVB_ERROR_GENERAL_ERROR: printf("SVB_ERROR_GENERAL_ERROR\n"); break; case SVB_ERROR_TIMEOUT: printf("SVB_ERROR_TIMEOUT\n"); break; default: printf ("unknown %d\n", err); break; } exit (0); }; /* * check for connected devices and return the result in a lite. */ int VideoDev_SVBCam::GetDeviceList(std::list *list) { int iNumofConnectCameras = SVBGetNumOfConnectedCameras(); std::string device; printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); if (list == NULL) return VDEV_STATUS_ERROR; // from sample code SVB_CAMERA_INFO *caminfo = (SVB_CAMERA_INFO *)malloc(sizeof(SVB_CAMERA_INFO)*iNumofConnectCameras); for (int i = 0; i < iNumofConnectCameras; i++) { SVBGetCameraInfo(&caminfo[i], i); device = "SVBCAM " + to_string(caminfo[i].CameraID) + " [" + caminfo[i].FriendlyName + "]"; list->push_back(device); } return VDEV_STATUS_OK; } /* * Open Device * prepare the buffer */ int VideoDev_SVBCam::Open() { int camnumcontrols, err; SVB_CONTROL_CAPS *camcontrols = NULL; SVB_CAMERA_PROPERTY camprop; VideoDevCtrl vctl; printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); camid = atoi (conf_device.c_str()); printf ("%s:%d %s opening cam %d\n", __FILE__, __LINE__, __FUNCTION__, camid); if ((err = SVBOpenCamera(camid)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } // // get cam property if ((err = SVBGetCameraProperty(camid, &camprop)) != SVB_SUCCESS) { print_error(err); Close(); return VDEV_STATUS_ERROR; } printf ("%s:%d %s height: %ld width: %ld\n", __FILE__, __LINE__, __FUNCTION__, camprop.MaxHeight, camprop.MaxWidth); for(int i=0; i < 8 && camprop.SupportedVideoFormat[i] == SVB_IMG_END; i++) { printf ("%s:%d %s VideoFormat Index:%d ", __FILE__, __LINE__, __FUNCTION__, i); switch (camprop.SupportedVideoFormat[i]) { case SVB_IMG_RAW8: printf("\t\tSVB_IMG_RAW8\n"); break; case SVB_IMG_RAW10: printf("\t\tSVB_IMG_RAW10\n"); break; case SVB_IMG_RAW12: printf("\t\tSVB_IMG_RAW12\n"); break; case SVB_IMG_RAW14: printf("\t\tSVB_IMG_RAW14\n"); break; case SVB_IMG_RAW16: printf("\t\tSVB_IMG_RAW16\n"); break; case SVB_IMG_Y8: printf("\t\tSVB_IMG_Y8\n"); break; case SVB_IMG_Y10: printf("\t\tSVB_IMG_Y10\n"); break; case SVB_IMG_Y12: printf("\t\tSVB_IMG_Y12\n"); break; case SVB_IMG_Y14: printf("\t\tSVB_IMG_Y14\n"); break; case SVB_IMG_Y16: printf("\t\tSVB_IMG_Y16\n"); break; case SVB_IMG_RGB24: printf("\t\tSVB_IMG_RGB24\n"); break; case SVB_IMG_RGB32: printf("\t\tSVB_IMG_RGB32\n"); break; case SVB_IMG_END: printf("\t\tSVB_IMG_END\n"); break; default: printf ("\t\tunbekannt\n"); break; } } // // get controls vidctrls.clear(); if ((err = SVBGetNumOfControls(camid, &camnumcontrols)) != SVB_SUCCESS) print_error(err); camcontrols = (SVB_CONTROL_CAPS*) malloc (sizeof(SVB_CONTROL_CAPS) * camnumcontrols); for (int i = 0; i < camnumcontrols; i++) { if ((err = SVBGetControlCaps(camid, i, &camcontrols[i])) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } printf ("%s:%d %s Got Control idx: %d name:%s desc:%s\n", __FILE__, __LINE__, __FUNCTION__, i, camcontrols[i].Name, camcontrols[i].Description); vctl.name = (char*)camcontrols[i].Name; vctl.id = i; vctl.min = camcontrols[i].MinValue; vctl.max = camcontrols[i].MaxValue; GetDevCtrl(i, &vctl.value); vidctrls.push_back(vctl); } // // set ROI (region of interest) if ((err = SVBSetROIFormat(camid, 0, 0, camprop.MaxWidth, camprop.MaxHeight, 1)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } // Set Mode and IMG Format if ((err = SVBSetCameraMode(camid, SVB_MODE_NORMAL)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } if ((err = SVBSetOutputImageType(camid, SVB_IMG_RGB24)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } // // preprare buffer LockMutex(); threaddata.vf.SetSize(camprop.MaxWidth, camprop.MaxHeight); UnLockMutex(); return VDEV_STATUS_OK; }; /* * Close Device * Free videobuffer */ int VideoDev_SVBCam::Close() { int err; printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); if ((err = SVBCloseCamera(camid)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } return VDEV_STATUS_OK; }; /***************************************************************************************************** * VideoGrabbing */ /* * send the start capture signal to the cam */ int VideoDev_SVBCam::CaptureStart() { int err; printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); // start video capture if ((err = SVBStartVideoCapture(camid)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } return VDEV_STATUS_OK; }; int VideoDev_SVBCam::CaptureStop() { int err; printf ("%s:%d %s\n", __FILE__, __LINE__, __FUNCTION__); if ((err = SVBStopVideoCapture(camid)) != SVB_SUCCESS) { print_error(err); return VDEV_STATUS_ERROR; } return VDEV_STATUS_OK; }; /* * try to grab one frame and convert it into RGB32. * If something goes wrong return an error code. * Return code VDEV_STATUS_AGAIN is not an error. There was no video image ready to read. */ int VideoDev_SVBCam::Grab(VideoFrame *vf) { int err; LockMutex(); if ((err = SVBGetVideoData(camid, threaddata.vf.data, (long)threaddata.vf.size, 50)) != SVB_SUCCESS) { if (err != SVB_ERROR_TIMEOUT) { print_error(err); UnLockMutex(); return VDEV_STATUS_ERROR; } } UnLockMutex(); return VDEV_STATUS_OK; } /***************************************************************************************************** * Controls */ /* * set video control identified by id */ int VideoDev_SVBCam::SetDevCtrl(unsigned int id, int value) { return VDEV_STATUS_OK; }; /* * get video control identified by id */ int VideoDev_SVBCam::GetDevCtrl(unsigned int id, int *value) { *value = 0; return VDEV_STATUS_OK; };