使用Android camera2 API内在功能来生成深度输出。这可以使用基于IR(红外)相机的深度传感器或TOF(飞行时间)摄像机来实现。在代码示例中,我们使用了一个支持深度输出的IR摄像机来展示如何使用Android camera2 API内在功能来生成深度地图。
private CameraCaptureSession.StateCallback mCaptureSessionCallback
= new CameraCaptureSession.StateCallback() {
@Override
public void onConfigured(CameraCaptureSession cameraCaptureSession) {
mCameraCaptureSession = cameraCaptureSession;
try {
CaptureRequest.Builder builder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
builder.addTarget(mSurfaceTexture);
builder.addTarget(mDepthImageReader.getSurface());
mCameraCaptureSession.setRepeatingRequest(builder.build(), null, mHandler);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
@Override
public void onConfigureFailed(CameraCaptureSession cameraCaptureSession) {
Log.e(TAG, "Failed to configure CameraCaptureSession");
}
};
private ImageReader.OnImageAvailableListener mDepthImageListener
= new ImageReader.OnImageAvailableListener() {
@Override
public void onImageAvailable(ImageReader reader) {
Image depthImage = reader.acquireLatestImage();
// Process the depth image here
depthImage.close();
}
};
private void openCamera() {
CameraManager cameraManager = (CameraManager) getSystemService(CAMERA_SERVICE);
try {
String cameraId = cameraManager.getCameraIdList()[0];
CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
StreamConfigurationMap streamConfigs = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
Size[] outputSizes = streamConfigs.getOutputSizes(ImageFormat.DEPTH16);
mDepthImageReader = ImageReader.newInstance(outputSizes[0].getWidth(), outputSizes[0].getHeight(),
ImageFormat.DEPTH16, 1);
mDepthImageReader.setOnImageAvailableListener(mDepthImageListener, mHandler);
// Check if the camera supports the DEPTH_OUTPUT capability
int[]