// Get camera info object
CameraInfo ciFlyCap::Obj::getCameraInfo()
{
// Return empty info if no camera
if (mCamera == 0)
return CameraInfo();
// Get info
mErr = mCamera->GetCameraInfo(&mCameraInfo);
if (mErr != PGRERROR_OK)
{
showError();
return CameraInfo();
}
return mCameraInfo;
}
QVector<CameraInfo> CameraUSB::avaibleCams(const CameraInfo &info)
{
QVector<CameraInfo> avaibleCams;
libusb_context *ctx = NULL;
libusb_device **devs;
ssize_t cnt;
int vendorId = info.getParam("vendorId").toString().toInt(0, 16);
int productId = info.getParam("productId").toString().toInt(0, 16);
// create context
if(libusb_init(&ctx) != LIBUSB_SUCCESS)
return avaibleCams;
// get list usb device
cnt = libusb_get_device_list(ctx, &devs);
for(int i = 0; i < cnt; i++)
{
libusb_device_descriptor desc;
if(libusb_get_device_descriptor(devs[i], &desc)==LIBUSB_SUCCESS)
{
if(desc.idVendor==vendorId && desc.idProduct==productId)
{
QString addr = QString("%1.%2").arg((int)libusb_get_bus_number(devs[i]))
.arg((int)libusb_get_device_address(devs[i]));
avaibleCams.append(CameraInfo("DreamCam USB", "USB", addr));
}
}
}
libusb_free_device_list(devs, 1);
// destroy usb context
libusb_exit(ctx);
return avaibleCams;
}
status_t BnCameraService::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case GET_NUMBER_OF_CAMERAS: {
CHECK_INTERFACE(ICameraService, data, reply);
reply->writeNoException();
reply->writeInt32(getNumberOfCameras());
return NO_ERROR;
} break;
case GET_CAMERA_INFO: {
CHECK_INTERFACE(ICameraService, data, reply);
CameraInfo cameraInfo = CameraInfo();
memset(&cameraInfo, 0, sizeof(cameraInfo));
status_t result = getCameraInfo(data.readInt32(), &cameraInfo);
reply->writeNoException();
reply->writeInt32(result);
// Fake a parcelable object here
reply->writeInt32(1); // means the parcelable is included
reply->writeInt32(cameraInfo.facing);
reply->writeInt32(cameraInfo.orientation);
return NO_ERROR;
} break;
case GET_CAMERA_CHARACTERISTICS: {
CHECK_INTERFACE(ICameraService, data, reply);
CameraMetadata info;
status_t result = getCameraCharacteristics(data.readInt32(), &info);
reply->writeNoException();
reply->writeInt32(result);
// out-variables are after exception and return value
reply->writeInt32(1); // means the parcelable is included
info.writeToParcel(reply);
return NO_ERROR;
} break;
case CONNECT: {
CHECK_INTERFACE(ICameraService, data, reply);
sp<ICameraClient> cameraClient =
interface_cast<ICameraClient>(data.readStrongBinder());
int32_t cameraId = data.readInt32();
const String16 clientName = data.readString16();
int32_t clientUid = data.readInt32();
sp<ICamera> camera;
status_t status = connect(cameraClient, cameraId,
clientName, clientUid, /*out*/ camera);
reply->writeNoException();
reply->writeInt32(status);
if (camera != NULL) {
reply->writeInt32(1);
reply->writeStrongBinder(camera->asBinder());
} else {
reply->writeInt32(0);
}
return NO_ERROR;
} break;
case CONNECT_PRO: {
CHECK_INTERFACE(ICameraService, data, reply);
sp<IProCameraCallbacks> cameraClient =
interface_cast<IProCameraCallbacks>(data.readStrongBinder());
int32_t cameraId = data.readInt32();
const String16 clientName = data.readString16();
int32_t clientUid = data.readInt32();
sp<IProCameraUser> camera;
status_t status = connectPro(cameraClient, cameraId,
clientName, clientUid, /*out*/ camera);
reply->writeNoException();
reply->writeInt32(status);
if (camera != NULL) {
reply->writeInt32(1);
reply->writeStrongBinder(camera->asBinder());
} else {
reply->writeInt32(0);
}
return NO_ERROR;
} break;
case CONNECT_DEVICE: {
CHECK_INTERFACE(ICameraService, data, reply);
sp<ICameraDeviceCallbacks> cameraClient =
interface_cast<ICameraDeviceCallbacks>(data.readStrongBinder());
int32_t cameraId = data.readInt32();
const String16 clientName = data.readString16();
int32_t clientUid = data.readInt32();
sp<ICameraDeviceUser> camera;
status_t status = connectDevice(cameraClient, cameraId,
clientName, clientUid, /*out*/ camera);
reply->writeNoException();
reply->writeInt32(status);
if (camera != NULL) {
reply->writeInt32(1);
reply->writeStrongBinder(camera->asBinder());
} else {
reply->writeInt32(0);
}
return NO_ERROR;
} break;
case ADD_LISTENER: {
CHECK_INTERFACE(ICameraService, data, reply);
sp<ICameraServiceListener> listener =
interface_cast<ICameraServiceListener>(data.readStrongBinder());
reply->writeNoException();
reply->writeInt32(addListener(listener));
return NO_ERROR;
} break;
case REMOVE_LISTENER: {
CHECK_INTERFACE(ICameraService, data, reply);
sp<ICameraServiceListener> listener =
interface_cast<ICameraServiceListener>(data.readStrongBinder());
reply->writeNoException();
reply->writeInt32(removeListener(listener));
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
