| Index: webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
|
| diff --git a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java b/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
|
| deleted file mode 100644
|
| index 8f6f911b1da3c2c7a19035b6da2509ed020bd948..0000000000000000000000000000000000000000
|
| --- a/webrtc/api/java/android/org/webrtc/VideoCapturerAndroid.java
|
| +++ /dev/null
|
| @@ -1,672 +0,0 @@
|
| -/*
|
| - * Copyright 2015 The WebRTC project authors. All Rights Reserved.
|
| - *
|
| - * Use of this source code is governed by a BSD-style license
|
| - * that can be found in the LICENSE file in the root of the source
|
| - * tree. An additional intellectual property rights grant can be found
|
| - * in the file PATENTS. All contributing project authors may
|
| - * be found in the AUTHORS file in the root of the source tree.
|
| - */
|
| -
|
| -package org.webrtc;
|
| -
|
| -import org.webrtc.CameraEnumerationAndroid.CaptureFormat;
|
| -
|
| -import android.content.Context;
|
| -import android.os.Handler;
|
| -import android.os.SystemClock;
|
| -import android.view.Surface;
|
| -import android.view.WindowManager;
|
| -
|
| -import java.io.IOException;
|
| -import java.nio.ByteBuffer;
|
| -import java.util.HashSet;
|
| -import java.util.List;
|
| -import java.util.Set;
|
| -import java.util.concurrent.CountDownLatch;
|
| -import java.util.concurrent.TimeUnit;
|
| -
|
| -// Android specific implementation of VideoCapturer.
|
| -// An instance of this class can be created by an application using
|
| -// VideoCapturerAndroid.create();
|
| -// This class extends VideoCapturer with a method to easily switch between the
|
| -// front and back camera. It also provides methods for enumerating valid device
|
| -// names.
|
| -//
|
| -// Threading notes: this class is called from C++ code, Android Camera callbacks, and possibly
|
| -// arbitrary Java threads. All public entry points are thread safe, and delegate the work to the
|
| -// camera thread. The internal *OnCameraThread() methods must check |camera| for null to check if
|
| -// the camera has been stopped.
|
| -// TODO(magjed): This class name is now confusing - rename to Camera1VideoCapturer.
|
| -@SuppressWarnings("deprecation")
|
| -public class VideoCapturerAndroid implements
|
| - CameraVideoCapturer,
|
| - android.hardware.Camera.PreviewCallback,
|
| - SurfaceTextureHelper.OnTextureFrameAvailableListener {
|
| - private final static String TAG = "VideoCapturerAndroid";
|
| - private static final int CAMERA_STOP_TIMEOUT_MS = 7000;
|
| -
|
| - private android.hardware.Camera camera; // Only non-null while capturing.
|
| - private final Object handlerLock = new Object();
|
| - // |cameraThreadHandler| must be synchronized on |handlerLock| when not on the camera thread,
|
| - // or when modifying the reference. Use maybePostOnCameraThread() instead of posting directly to
|
| - // the handler - this way all callbacks with a specifed token can be removed at once.
|
| - private Handler cameraThreadHandler;
|
| - private Context applicationContext;
|
| - // Synchronization lock for |id|.
|
| - private final Object cameraIdLock = new Object();
|
| - private int id;
|
| - private android.hardware.Camera.CameraInfo info;
|
| - private CameraStatistics cameraStatistics;
|
| - // Remember the requested format in case we want to switch cameras.
|
| - private int requestedWidth;
|
| - private int requestedHeight;
|
| - private int requestedFramerate;
|
| - // The capture format will be the closest supported format to the requested format.
|
| - private CaptureFormat captureFormat;
|
| - private final Object pendingCameraSwitchLock = new Object();
|
| - private volatile boolean pendingCameraSwitch;
|
| - private CapturerObserver frameObserver = null;
|
| - private final CameraEventsHandler eventsHandler;
|
| - private boolean firstFrameReported;
|
| - // Arbitrary queue depth. Higher number means more memory allocated & held,
|
| - // lower number means more sensitivity to processing time in the client (and
|
| - // potentially stalling the capturer if it runs out of buffers to write to).
|
| - private static final int NUMBER_OF_CAPTURE_BUFFERS = 3;
|
| - private final Set<byte[]> queuedBuffers = new HashSet<byte[]>();
|
| - private final boolean isCapturingToTexture;
|
| - private SurfaceTextureHelper surfaceHelper;
|
| - private final static int MAX_OPEN_CAMERA_ATTEMPTS = 3;
|
| - private final static int OPEN_CAMERA_DELAY_MS = 500;
|
| - private int openCameraAttempts;
|
| -
|
| - // Camera error callback.
|
| - private final android.hardware.Camera.ErrorCallback cameraErrorCallback =
|
| - new android.hardware.Camera.ErrorCallback() {
|
| - @Override
|
| - public void onError(int error, android.hardware.Camera camera) {
|
| - String errorMessage;
|
| - if (error == android.hardware.Camera.CAMERA_ERROR_SERVER_DIED) {
|
| - errorMessage = "Camera server died!";
|
| - } else {
|
| - errorMessage = "Camera error: " + error;
|
| - }
|
| - Logging.e(TAG, errorMessage);
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraError(errorMessage);
|
| - }
|
| - }
|
| - };
|
| -
|
| - public static VideoCapturerAndroid create(String name,
|
| - CameraEventsHandler eventsHandler) {
|
| - return VideoCapturerAndroid.create(name, eventsHandler, false /* captureToTexture */);
|
| - }
|
| -
|
| - // Use ctor directly instead.
|
| - @Deprecated
|
| - public static VideoCapturerAndroid create(String name,
|
| - CameraEventsHandler eventsHandler, boolean captureToTexture) {
|
| - try {
|
| - return new VideoCapturerAndroid(name, eventsHandler, captureToTexture);
|
| - } catch (RuntimeException e) {
|
| - Logging.e(TAG, "Couldn't create camera.", e);
|
| - return null;
|
| - }
|
| - }
|
| -
|
| - public void printStackTrace() {
|
| - Thread cameraThread = null;
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler != null) {
|
| - cameraThread = cameraThreadHandler.getLooper().getThread();
|
| - }
|
| - }
|
| - if (cameraThread != null) {
|
| - StackTraceElement[] cameraStackTraces = cameraThread.getStackTrace();
|
| - if (cameraStackTraces.length > 0) {
|
| - Logging.d(TAG, "VideoCapturerAndroid stacks trace:");
|
| - for (StackTraceElement stackTrace : cameraStackTraces) {
|
| - Logging.d(TAG, stackTrace.toString());
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - // Switch camera to the next valid camera id. This can only be called while
|
| - // the camera is running.
|
| - @Override
|
| - public void switchCamera(final CameraSwitchHandler switchEventsHandler) {
|
| - if (android.hardware.Camera.getNumberOfCameras() < 2) {
|
| - if (switchEventsHandler != null) {
|
| - switchEventsHandler.onCameraSwitchError("No camera to switch to.");
|
| - }
|
| - return;
|
| - }
|
| - synchronized (pendingCameraSwitchLock) {
|
| - if (pendingCameraSwitch) {
|
| - // Do not handle multiple camera switch request to avoid blocking
|
| - // camera thread by handling too many switch request from a queue.
|
| - Logging.w(TAG, "Ignoring camera switch request.");
|
| - if (switchEventsHandler != null) {
|
| - switchEventsHandler.onCameraSwitchError("Pending camera switch already in progress.");
|
| - }
|
| - return;
|
| - }
|
| - pendingCameraSwitch = true;
|
| - }
|
| - final boolean didPost = maybePostOnCameraThread(new Runnable() {
|
| - @Override
|
| - public void run() {
|
| - switchCameraOnCameraThread();
|
| - synchronized (pendingCameraSwitchLock) {
|
| - pendingCameraSwitch = false;
|
| - }
|
| - if (switchEventsHandler != null) {
|
| - switchEventsHandler.onCameraSwitchDone(
|
| - info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT);
|
| - }
|
| - }
|
| - });
|
| - if (!didPost && switchEventsHandler != null) {
|
| - switchEventsHandler.onCameraSwitchError("Camera is stopped.");
|
| - }
|
| - }
|
| -
|
| - // Requests a new output format from the video capturer. Captured frames
|
| - // by the camera will be scaled/or dropped by the video capturer.
|
| - // It does not matter if width and height are flipped. I.E, |width| = 640, |height| = 480 produce
|
| - // the same result as |width| = 480, |height| = 640.
|
| - // TODO(magjed/perkj): Document what this function does. Change name?
|
| - @Override
|
| - public void onOutputFormatRequest(final int width, final int height, final int framerate) {
|
| - maybePostOnCameraThread(new Runnable() {
|
| - @Override public void run() {
|
| - onOutputFormatRequestOnCameraThread(width, height, framerate);
|
| - }
|
| - });
|
| - }
|
| -
|
| - // Reconfigure the camera to capture in a new format. This should only be called while the camera
|
| - // is running.
|
| - @Override
|
| - public void changeCaptureFormat(final int width, final int height, final int framerate) {
|
| - maybePostOnCameraThread(new Runnable() {
|
| - @Override public void run() {
|
| - startPreviewOnCameraThread(width, height, framerate);
|
| - }
|
| - });
|
| - }
|
| -
|
| - // Helper function to retrieve the current camera id synchronously. Note that the camera id might
|
| - // change at any point by switchCamera() calls.
|
| - private int getCurrentCameraId() {
|
| - synchronized (cameraIdLock) {
|
| - return id;
|
| - }
|
| - }
|
| -
|
| - @Override
|
| - public List<CaptureFormat> getSupportedFormats() {
|
| - return Camera1Enumerator.getSupportedFormats(getCurrentCameraId());
|
| - }
|
| -
|
| - // Returns true if this VideoCapturer is setup to capture video frames to a SurfaceTexture.
|
| - public boolean isCapturingToTexture() {
|
| - return isCapturingToTexture;
|
| - }
|
| -
|
| - public VideoCapturerAndroid(String cameraName, CameraEventsHandler eventsHandler,
|
| - boolean captureToTexture) {
|
| - if (android.hardware.Camera.getNumberOfCameras() == 0) {
|
| - throw new RuntimeException("No cameras available");
|
| - }
|
| - if (cameraName == null || cameraName.equals("")) {
|
| - this.id = 0;
|
| - } else {
|
| - this.id = Camera1Enumerator.getCameraIndex(cameraName);
|
| - }
|
| - this.eventsHandler = eventsHandler;
|
| - isCapturingToTexture = captureToTexture;
|
| - Logging.d(TAG, "VideoCapturerAndroid isCapturingToTexture : " + isCapturingToTexture);
|
| - }
|
| -
|
| - private void checkIsOnCameraThread() {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "Camera is stopped - can't check thread.");
|
| - } else if (Thread.currentThread() != cameraThreadHandler.getLooper().getThread()) {
|
| - throw new IllegalStateException("Wrong thread");
|
| - }
|
| - }
|
| - }
|
| -
|
| - private boolean maybePostOnCameraThread(Runnable runnable) {
|
| - return maybePostDelayedOnCameraThread(0 /* delayMs */, runnable);
|
| - }
|
| -
|
| - private boolean maybePostDelayedOnCameraThread(int delayMs, Runnable runnable) {
|
| - synchronized (handlerLock) {
|
| - return cameraThreadHandler != null
|
| - && cameraThreadHandler.postAtTime(
|
| - runnable, this /* token */, SystemClock.uptimeMillis() + delayMs);
|
| - }
|
| - }
|
| -
|
| - @Override
|
| - public void dispose() {
|
| - Logging.d(TAG, "dispose");
|
| - }
|
| -
|
| - // Note that this actually opens the camera, and Camera callbacks run on the
|
| - // thread that calls open(), so this is done on the CameraThread.
|
| - @Override
|
| - public void startCapture(
|
| - final int width, final int height, final int framerate,
|
| - final SurfaceTextureHelper surfaceTextureHelper, final Context applicationContext,
|
| - final CapturerObserver frameObserver) {
|
| - Logging.d(TAG, "startCapture requested: " + width + "x" + height + "@" + framerate);
|
| - if (surfaceTextureHelper == null) {
|
| - frameObserver.onCapturerStarted(false /* success */);
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraError("No SurfaceTexture created.");
|
| - }
|
| - return;
|
| - }
|
| - if (applicationContext == null) {
|
| - throw new IllegalArgumentException("applicationContext not set.");
|
| - }
|
| - if (frameObserver == null) {
|
| - throw new IllegalArgumentException("frameObserver not set.");
|
| - }
|
| - synchronized (handlerLock) {
|
| - if (this.cameraThreadHandler != null) {
|
| - throw new RuntimeException("Camera has already been started.");
|
| - }
|
| - this.cameraThreadHandler = surfaceTextureHelper.getHandler();
|
| - this.surfaceHelper = surfaceTextureHelper;
|
| - final boolean didPost = maybePostOnCameraThread(new Runnable() {
|
| - @Override
|
| - public void run() {
|
| - openCameraAttempts = 0;
|
| - startCaptureOnCameraThread(width, height, framerate, frameObserver,
|
| - applicationContext);
|
| - }
|
| - });
|
| - if (!didPost) {
|
| - frameObserver.onCapturerStarted(false);
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraError("Could not post task to camera thread.");
|
| - }
|
| - }
|
| - }
|
| - }
|
| -
|
| - private void startCaptureOnCameraThread(
|
| - final int width, final int height, final int framerate, final CapturerObserver frameObserver,
|
| - final Context applicationContext) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "startCaptureOnCameraThread: Camera is stopped");
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - if (camera != null) {
|
| - Logging.e(TAG, "startCaptureOnCameraThread: Camera has already been started.");
|
| - return;
|
| - }
|
| - this.applicationContext = applicationContext;
|
| - this.frameObserver = frameObserver;
|
| - this.firstFrameReported = false;
|
| -
|
| - try {
|
| - try {
|
| - synchronized (cameraIdLock) {
|
| - Logging.d(TAG, "Opening camera " + id);
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraOpening(id);
|
| - }
|
| - camera = android.hardware.Camera.open(id);
|
| - info = new android.hardware.Camera.CameraInfo();
|
| - android.hardware.Camera.getCameraInfo(id, info);
|
| - }
|
| - } catch (RuntimeException e) {
|
| - openCameraAttempts++;
|
| - if (openCameraAttempts < MAX_OPEN_CAMERA_ATTEMPTS) {
|
| - Logging.e(TAG, "Camera.open failed, retrying", e);
|
| - maybePostDelayedOnCameraThread(OPEN_CAMERA_DELAY_MS, new Runnable() {
|
| - @Override public void run() {
|
| - startCaptureOnCameraThread(width, height, framerate, frameObserver,
|
| - applicationContext);
|
| - }
|
| - });
|
| - return;
|
| - }
|
| - throw e;
|
| - }
|
| -
|
| - camera.setPreviewTexture(surfaceHelper.getSurfaceTexture());
|
| -
|
| - Logging.d(TAG, "Camera orientation: " + info.orientation +
|
| - " .Device orientation: " + getDeviceOrientation());
|
| - camera.setErrorCallback(cameraErrorCallback);
|
| - startPreviewOnCameraThread(width, height, framerate);
|
| - frameObserver.onCapturerStarted(true);
|
| - if (isCapturingToTexture) {
|
| - surfaceHelper.startListening(this);
|
| - }
|
| -
|
| - // Start camera observer.
|
| - cameraStatistics = new CameraStatistics(surfaceHelper, eventsHandler);
|
| - } catch (IOException|RuntimeException e) {
|
| - Logging.e(TAG, "startCapture failed", e);
|
| - // Make sure the camera is released.
|
| - stopCaptureOnCameraThread(true /* stopHandler */);
|
| - frameObserver.onCapturerStarted(false);
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraError("Camera can not be started.");
|
| - }
|
| - }
|
| - }
|
| -
|
| - // (Re)start preview with the closest supported format to |width| x |height| @ |framerate|.
|
| - private void startPreviewOnCameraThread(int width, int height, int framerate) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null || camera == null) {
|
| - Logging.e(TAG, "startPreviewOnCameraThread: Camera is stopped");
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - Logging.d(
|
| - TAG, "startPreviewOnCameraThread requested: " + width + "x" + height + "@" + framerate);
|
| -
|
| - requestedWidth = width;
|
| - requestedHeight = height;
|
| - requestedFramerate = framerate;
|
| -
|
| - // Find closest supported format for |width| x |height| @ |framerate|.
|
| - final android.hardware.Camera.Parameters parameters = camera.getParameters();
|
| - final List<CaptureFormat.FramerateRange> supportedFramerates =
|
| - Camera1Enumerator.convertFramerates(parameters.getSupportedPreviewFpsRange());
|
| - Logging.d(TAG, "Available fps ranges: " + supportedFramerates);
|
| -
|
| - final CaptureFormat.FramerateRange fpsRange =
|
| - CameraEnumerationAndroid.getClosestSupportedFramerateRange(supportedFramerates, framerate);
|
| -
|
| - final Size previewSize = CameraEnumerationAndroid.getClosestSupportedSize(
|
| - Camera1Enumerator.convertSizes(parameters.getSupportedPreviewSizes()), width, height);
|
| -
|
| - final CaptureFormat captureFormat =
|
| - new CaptureFormat(previewSize.width, previewSize.height, fpsRange);
|
| -
|
| - // Check if we are already using this capture format, then we don't need to do anything.
|
| - if (captureFormat.equals(this.captureFormat)) {
|
| - return;
|
| - }
|
| -
|
| - // Update camera parameters.
|
| - Logging.d(TAG, "isVideoStabilizationSupported: " +
|
| - parameters.isVideoStabilizationSupported());
|
| - if (parameters.isVideoStabilizationSupported()) {
|
| - parameters.setVideoStabilization(true);
|
| - }
|
| - // Note: setRecordingHint(true) actually decrease frame rate on N5.
|
| - // parameters.setRecordingHint(true);
|
| - if (captureFormat.framerate.max > 0) {
|
| - parameters.setPreviewFpsRange(captureFormat.framerate.min, captureFormat.framerate.max);
|
| - }
|
| - parameters.setPreviewSize(previewSize.width, previewSize.height);
|
| -
|
| - if (!isCapturingToTexture) {
|
| - parameters.setPreviewFormat(captureFormat.imageFormat);
|
| - }
|
| - // Picture size is for taking pictures and not for preview/video, but we need to set it anyway
|
| - // as a workaround for an aspect ratio problem on Nexus 7.
|
| - final Size pictureSize = CameraEnumerationAndroid.getClosestSupportedSize(
|
| - Camera1Enumerator.convertSizes(parameters.getSupportedPictureSizes()), width, height);
|
| - parameters.setPictureSize(pictureSize.width, pictureSize.height);
|
| -
|
| - // Temporarily stop preview if it's already running.
|
| - if (this.captureFormat != null) {
|
| - camera.stopPreview();
|
| - // Calling |setPreviewCallbackWithBuffer| with null should clear the internal camera buffer
|
| - // queue, but sometimes we receive a frame with the old resolution after this call anyway.
|
| - camera.setPreviewCallbackWithBuffer(null);
|
| - }
|
| -
|
| - // (Re)start preview.
|
| - Logging.d(TAG, "Start capturing: " + captureFormat);
|
| - this.captureFormat = captureFormat;
|
| -
|
| - List<String> focusModes = parameters.getSupportedFocusModes();
|
| - if (focusModes.contains(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO)) {
|
| - parameters.setFocusMode(android.hardware.Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
|
| - }
|
| -
|
| - camera.setParameters(parameters);
|
| - // Calculate orientation manually and send it as CVO instead.
|
| - camera.setDisplayOrientation(0 /* degrees */);
|
| - if (!isCapturingToTexture) {
|
| - queuedBuffers.clear();
|
| - final int frameSize = captureFormat.frameSize();
|
| - for (int i = 0; i < NUMBER_OF_CAPTURE_BUFFERS; ++i) {
|
| - final ByteBuffer buffer = ByteBuffer.allocateDirect(frameSize);
|
| - queuedBuffers.add(buffer.array());
|
| - camera.addCallbackBuffer(buffer.array());
|
| - }
|
| - camera.setPreviewCallbackWithBuffer(this);
|
| - }
|
| - camera.startPreview();
|
| - }
|
| -
|
| - // Blocks until camera is known to be stopped.
|
| - @Override
|
| - public void stopCapture() throws InterruptedException {
|
| - Logging.d(TAG, "stopCapture");
|
| - final CountDownLatch barrier = new CountDownLatch(1);
|
| - final boolean didPost = maybePostOnCameraThread(new Runnable() {
|
| - @Override public void run() {
|
| - stopCaptureOnCameraThread(true /* stopHandler */);
|
| - barrier.countDown();
|
| - }
|
| - });
|
| - if (!didPost) {
|
| - Logging.e(TAG, "Calling stopCapture() for already stopped camera.");
|
| - return;
|
| - }
|
| - if (!barrier.await(CAMERA_STOP_TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
|
| - Logging.e(TAG, "Camera stop timeout");
|
| - printStackTrace();
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraError("Camera stop timeout");
|
| - }
|
| - }
|
| - Logging.d(TAG, "stopCapture done");
|
| - }
|
| -
|
| - private void stopCaptureOnCameraThread(boolean stopHandler) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "stopCaptureOnCameraThread: Camera is stopped");
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - Logging.d(TAG, "stopCaptureOnCameraThread");
|
| - // Note that the camera might still not be started here if startCaptureOnCameraThread failed
|
| - // and we posted a retry.
|
| -
|
| - // Make sure onTextureFrameAvailable() is not called anymore.
|
| - if (surfaceHelper != null) {
|
| - surfaceHelper.stopListening();
|
| - }
|
| - if (stopHandler) {
|
| - synchronized (handlerLock) {
|
| - // Clear the cameraThreadHandler first, in case stopPreview or
|
| - // other driver code deadlocks. Deadlock in
|
| - // android.hardware.Camera._stopPreview(Native Method) has
|
| - // been observed on Nexus 5 (hammerhead), OS version LMY48I.
|
| - // The camera might post another one or two preview frames
|
| - // before stopped, so we have to check for a null
|
| - // cameraThreadHandler in our handler. Remove all pending
|
| - // Runnables posted from |this|.
|
| - if (cameraThreadHandler != null) {
|
| - cameraThreadHandler.removeCallbacksAndMessages(this /* token */);
|
| - cameraThreadHandler = null;
|
| - }
|
| - surfaceHelper = null;
|
| - }
|
| - }
|
| - if (cameraStatistics != null) {
|
| - cameraStatistics.release();
|
| - cameraStatistics = null;
|
| - }
|
| - Logging.d(TAG, "Stop preview.");
|
| - if (camera != null) {
|
| - camera.stopPreview();
|
| - camera.setPreviewCallbackWithBuffer(null);
|
| - }
|
| - queuedBuffers.clear();
|
| - captureFormat = null;
|
| -
|
| - Logging.d(TAG, "Release camera.");
|
| - if (camera != null) {
|
| - camera.release();
|
| - camera = null;
|
| - }
|
| - if (eventsHandler != null) {
|
| - eventsHandler.onCameraClosed();
|
| - }
|
| - Logging.d(TAG, "stopCaptureOnCameraThread done");
|
| - }
|
| -
|
| - private void switchCameraOnCameraThread() {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "switchCameraOnCameraThread: Camera is stopped");
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - Logging.d(TAG, "switchCameraOnCameraThread");
|
| - stopCaptureOnCameraThread(false /* stopHandler */);
|
| - synchronized (cameraIdLock) {
|
| - id = (id + 1) % android.hardware.Camera.getNumberOfCameras();
|
| - }
|
| - startCaptureOnCameraThread(requestedWidth, requestedHeight, requestedFramerate, frameObserver,
|
| - applicationContext);
|
| - Logging.d(TAG, "switchCameraOnCameraThread done");
|
| - }
|
| -
|
| - private void onOutputFormatRequestOnCameraThread(int width, int height, int framerate) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null || camera == null) {
|
| - Logging.e(TAG, "onOutputFormatRequestOnCameraThread: Camera is stopped");
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - Logging.d(TAG, "onOutputFormatRequestOnCameraThread: " + width + "x" + height +
|
| - "@" + framerate);
|
| - frameObserver.onOutputFormatRequest(width, height, framerate);
|
| - }
|
| -
|
| - private int getDeviceOrientation() {
|
| - int orientation = 0;
|
| -
|
| - WindowManager wm = (WindowManager) applicationContext.getSystemService(
|
| - Context.WINDOW_SERVICE);
|
| - switch(wm.getDefaultDisplay().getRotation()) {
|
| - case Surface.ROTATION_90:
|
| - orientation = 90;
|
| - break;
|
| - case Surface.ROTATION_180:
|
| - orientation = 180;
|
| - break;
|
| - case Surface.ROTATION_270:
|
| - orientation = 270;
|
| - break;
|
| - case Surface.ROTATION_0:
|
| - default:
|
| - orientation = 0;
|
| - break;
|
| - }
|
| - return orientation;
|
| - }
|
| -
|
| - private int getFrameOrientation() {
|
| - int rotation = getDeviceOrientation();
|
| - if (info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK) {
|
| - rotation = 360 - rotation;
|
| - }
|
| - return (info.orientation + rotation) % 360;
|
| - }
|
| -
|
| - // Called on cameraThread so must not "synchronized".
|
| - @Override
|
| - public void onPreviewFrame(byte[] data, android.hardware.Camera callbackCamera) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "onPreviewFrame: Camera is stopped");
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - if (!queuedBuffers.contains(data)) {
|
| - // |data| is an old invalid buffer.
|
| - return;
|
| - }
|
| - if (camera != callbackCamera) {
|
| - throw new RuntimeException("Unexpected camera in callback!");
|
| - }
|
| -
|
| - final long captureTimeNs =
|
| - TimeUnit.MILLISECONDS.toNanos(SystemClock.elapsedRealtime());
|
| -
|
| - if (eventsHandler != null && !firstFrameReported) {
|
| - eventsHandler.onFirstFrameAvailable();
|
| - firstFrameReported = true;
|
| - }
|
| -
|
| - cameraStatistics.addFrame();
|
| - frameObserver.onByteBufferFrameCaptured(data, captureFormat.width, captureFormat.height,
|
| - getFrameOrientation(), captureTimeNs);
|
| - camera.addCallbackBuffer(data);
|
| - }
|
| -
|
| - @Override
|
| - public void onTextureFrameAvailable(
|
| - int oesTextureId, float[] transformMatrix, long timestampNs) {
|
| - synchronized (handlerLock) {
|
| - if (cameraThreadHandler == null) {
|
| - Logging.e(TAG, "onTextureFrameAvailable: Camera is stopped");
|
| - surfaceHelper.returnTextureFrame();
|
| - return;
|
| - } else {
|
| - checkIsOnCameraThread();
|
| - }
|
| - }
|
| - if (eventsHandler != null && !firstFrameReported) {
|
| - eventsHandler.onFirstFrameAvailable();
|
| - firstFrameReported = true;
|
| - }
|
| -
|
| - int rotation = getFrameOrientation();
|
| - if (info.facing == android.hardware.Camera.CameraInfo.CAMERA_FACING_FRONT) {
|
| - // Undo the mirror that the OS "helps" us with.
|
| - // http://developer.android.com/reference/android/hardware/Camera.html#setDisplayOrientation(int)
|
| - transformMatrix =
|
| - RendererCommon.multiplyMatrices(transformMatrix, RendererCommon.horizontalFlipMatrix());
|
| - }
|
| - cameraStatistics.addFrame();
|
| - frameObserver.onTextureFrameCaptured(captureFormat.width, captureFormat.height, oesTextureId,
|
| - transformMatrix, rotation, timestampNs);
|
| - }
|
| -}
|
|
|