mirror of https://github.com/Genymobile/scrcpy
Add camera mirroring
Add --video-source=camera, and related options: - --camera-id=<id>: select the camera by its id (see --list-cameras); - --camera-size=<width>x<height>: select the capture size. Fixed #241 <https://github.com/Genymobile/scrcpy/issues/241> PR #4213 <https://github.com/Genymobile/scrcpy/pull/4213> Co-authored-by: Romain Vimont <rom@rom1v.com> Signed-off-by: Romain Vimont <rom@rom1v.com>camera.37
Simon Chan
10 months ago
committed by
Romain Vimont
parent
f032262cd7
commit
bfeecc0131
@ -0,0 +1,180 @@
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package com.genymobile.scrcpy;
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import com.genymobile.scrcpy.wrappers.ServiceManager;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import android.hardware.camera2.CameraAccessException;
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import android.hardware.camera2.CameraCaptureSession;
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import android.hardware.camera2.CameraDevice;
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import android.hardware.camera2.CaptureFailure;
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import android.hardware.camera2.CaptureRequest;
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import android.hardware.camera2.params.OutputConfiguration;
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import android.hardware.camera2.params.SessionConfiguration;
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import android.os.Build;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.view.Surface;
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import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.Executor;
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public class CameraCapture extends SurfaceCapture {
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private final String explicitCameraId;
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private final Size explicitSize;
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private HandlerThread cameraThread;
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private Handler cameraHandler;
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private CameraDevice cameraDevice;
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private Executor cameraExecutor;
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public CameraCapture(String explicitCameraId, Size explicitSize) {
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this.explicitCameraId = explicitCameraId;
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this.explicitSize = explicitSize;
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}
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@Override
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public void init() throws IOException {
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cameraThread = new HandlerThread("camera");
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cameraThread.start();
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cameraHandler = new Handler(cameraThread.getLooper());
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cameraExecutor = new HandlerExecutor(cameraHandler);
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try {
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cameraDevice = openCamera(explicitCameraId);
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} catch (CameraAccessException | InterruptedException e) {
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throw new IOException(e);
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}
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}
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@Override
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public void start(Surface surface) throws IOException {
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try {
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CameraCaptureSession session = createCaptureSession(cameraDevice, surface);
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CaptureRequest request = createCaptureRequest(surface);
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setRepeatingRequest(session, request);
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} catch (CameraAccessException | InterruptedException e) {
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throw new IOException(e);
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}
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}
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@Override
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public void release() {
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if (cameraDevice != null) {
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cameraDevice.close();
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}
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if (cameraThread != null) {
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cameraThread.quitSafely();
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}
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}
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@Override
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public Size getSize() {
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return explicitSize;
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}
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@Override
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public boolean setMaxSize(int maxSize) {
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return false;
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}
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@SuppressLint("MissingPermission")
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@TargetApi(Build.VERSION_CODES.S)
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private CameraDevice openCamera(String id) throws CameraAccessException, InterruptedException {
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CompletableFuture<CameraDevice> future = new CompletableFuture<>();
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ServiceManager.getCameraManager().openCamera(id, new CameraDevice.StateCallback() {
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@Override
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public void onOpened(CameraDevice camera) {
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Ln.d("Camera opened successfully");
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future.complete(camera);
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}
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@Override
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public void onDisconnected(CameraDevice camera) {
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Ln.w("Camera disconnected");
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// TODO
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}
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@Override
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public void onError(CameraDevice camera, int error) {
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int cameraAccessExceptionErrorCode;
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switch (error) {
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case CameraDevice.StateCallback.ERROR_CAMERA_IN_USE:
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cameraAccessExceptionErrorCode = CameraAccessException.CAMERA_IN_USE;
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break;
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case CameraDevice.StateCallback.ERROR_MAX_CAMERAS_IN_USE:
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cameraAccessExceptionErrorCode = CameraAccessException.MAX_CAMERAS_IN_USE;
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break;
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case CameraDevice.StateCallback.ERROR_CAMERA_DISABLED:
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cameraAccessExceptionErrorCode = CameraAccessException.CAMERA_DISABLED;
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break;
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case CameraDevice.StateCallback.ERROR_CAMERA_DEVICE:
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case CameraDevice.StateCallback.ERROR_CAMERA_SERVICE:
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default:
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cameraAccessExceptionErrorCode = CameraAccessException.CAMERA_ERROR;
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break;
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}
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future.completeExceptionally(new CameraAccessException(cameraAccessExceptionErrorCode));
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}
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}, cameraHandler);
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try {
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return future.get();
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} catch (ExecutionException e) {
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throw (CameraAccessException) e.getCause();
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}
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}
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@TargetApi(Build.VERSION_CODES.S)
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private CameraCaptureSession createCaptureSession(CameraDevice camera, Surface surface) throws CameraAccessException, InterruptedException {
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CompletableFuture<CameraCaptureSession> future = new CompletableFuture<>();
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OutputConfiguration outputConfig = new OutputConfiguration(surface);
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List<OutputConfiguration> outputs = Arrays.asList(outputConfig);
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SessionConfiguration sessionConfig = new SessionConfiguration(SessionConfiguration.SESSION_REGULAR, outputs, cameraExecutor,
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new CameraCaptureSession.StateCallback() {
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@Override
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public void onConfigured(CameraCaptureSession session) {
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future.complete(session);
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}
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@Override
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public void onConfigureFailed(CameraCaptureSession session) {
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future.completeExceptionally(new CameraAccessException(CameraAccessException.CAMERA_ERROR));
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}
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});
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camera.createCaptureSession(sessionConfig);
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try {
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return future.get();
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} catch (ExecutionException e) {
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throw (CameraAccessException) e.getCause();
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}
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}
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private CaptureRequest createCaptureRequest(Surface surface) throws CameraAccessException {
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CaptureRequest.Builder requestBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
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requestBuilder.addTarget(surface);
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return requestBuilder.build();
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}
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@TargetApi(Build.VERSION_CODES.S)
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private void setRepeatingRequest(CameraCaptureSession session, CaptureRequest request) throws CameraAccessException, InterruptedException {
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session.setRepeatingRequest(request, new CameraCaptureSession.CaptureCallback() {
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@Override
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public void onCaptureStarted(CameraCaptureSession session, CaptureRequest request, long timestamp, long frameNumber) {
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// Called for each frame captured, do nothing
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}
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@Override
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public void onCaptureFailed(CameraCaptureSession session, CaptureRequest request, CaptureFailure failure) {
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Ln.w("Camera capture failed: frame " + failure.getFrameNumber());
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}
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}, cameraHandler);
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}
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}
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@ -0,0 +1,23 @@
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package com.genymobile.scrcpy;
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import android.os.Handler;
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import java.util.concurrent.Executor;
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import java.util.concurrent.RejectedExecutionException;
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// Inspired from hidden android.os.HandlerExecutor
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public class HandlerExecutor implements Executor {
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private final Handler handler;
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public HandlerExecutor(Handler handler) {
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this.handler = handler;
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}
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@Override
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public void execute(Runnable command) {
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if (!handler.post(command)) {
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throw new RejectedExecutionException(handler + " is shutting down");
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}
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}
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}
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@ -0,0 +1,22 @@
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package com.genymobile.scrcpy;
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public enum VideoSource {
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DISPLAY("display"),
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CAMERA("camera");
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private final String name;
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VideoSource(String name) {
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this.name = name;
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}
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static VideoSource findByName(String name) {
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for (VideoSource videoSource : VideoSource.values()) {
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if (name.equals(videoSource.name)) {
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return videoSource;
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}
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}
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return null;
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}
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}
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