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Replace deprecated Android Camera framework with Camera2 (#2797)
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| /* | ||
| * Copyright (C) 2021 Teluu Inc. (http://www.teluu.com) | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation; either version 2 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program; if not, write to the Free Software | ||
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| */ | ||
| package org.pjsip; | ||
|
|
||
| import android.hardware.camera2.CameraCaptureSession; | ||
| import android.hardware.camera2.CameraDevice; | ||
| import android.hardware.camera2.CameraManager; | ||
| import android.hardware.camera2.CameraMetadata; | ||
| import android.hardware.camera2.CaptureRequest; | ||
| import android.media.Image; | ||
| import android.media.ImageReader; | ||
| import android.os.Handler; | ||
| import android.os.HandlerThread; | ||
| import android.util.Log; | ||
| import android.util.Range; | ||
| import android.view.Surface; | ||
| import android.view.SurfaceView; | ||
| import android.view.SurfaceHolder; | ||
|
|
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| import java.nio.ByteBuffer; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
|
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| import org.pjsip.PjCameraInfo2; | ||
|
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| public class PjCamera2 | ||
| { | ||
| private final String TAG = "PjCamera2"; | ||
|
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| private CameraDevice camera = null; | ||
| private CameraCaptureSession previewSession = null; | ||
|
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| private boolean isRunning = false; | ||
| private boolean start_with_fps = true; | ||
| private int camIdx; | ||
| private final long userData; | ||
| private final int fps; | ||
|
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| private final ImageReader imageReader; | ||
| private HandlerThread handlerThread = null; | ||
| private Handler handler; | ||
|
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| /* For debugging purpose only */ | ||
| private final SurfaceView surfaceView; | ||
|
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| native void PushFrame2(long userData_, | ||
| ByteBuffer plane0, int rowStride0, int pixStride0, | ||
| ByteBuffer plane1, int rowStride1, int pixStride1, | ||
| ByteBuffer plane2, int rowStride2, int pixStride2); | ||
|
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| ImageReader.OnImageAvailableListener imageAvailListener = new ImageReader.OnImageAvailableListener() { | ||
| @Override | ||
| public void onImageAvailable(ImageReader reader) { | ||
| if (!isRunning) | ||
| return; | ||
|
|
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| Image image = reader.acquireLatestImage(); | ||
| if (image == null) | ||
| return; | ||
|
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| /* Get planes buffers. According to the docs, the buffers are always direct buffers */ | ||
| Image.Plane[] planes = image.getPlanes(); | ||
| ByteBuffer plane0 = planes[0].getBuffer(); | ||
| ByteBuffer plane1 = planes.length > 1 ? planes[1].getBuffer() : null; | ||
| ByteBuffer plane2 = planes.length > 2 ? planes[2].getBuffer() : null; | ||
| assert plane0.isDirect(); | ||
|
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| //for (Image.Plane p: planes) { | ||
| // Log.d(TAG, String.format("size=%d bytes, getRowStride()=%d getPixelStride()=%d", p.getBuffer().remaining(), p.getRowStride(), p.getPixelStride())); | ||
| //} | ||
|
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| PushFrame2( userData, | ||
| plane0, planes[0].getRowStride(), planes[0].getPixelStride(), | ||
| plane1, plane1!=null? planes[1].getRowStride():0, plane1!=null? planes[1].getPixelStride():0, | ||
| plane2, plane2!=null? planes[2].getRowStride():0, plane2!=null? planes[2].getPixelStride():0); | ||
|
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| image.close(); | ||
| } | ||
| }; | ||
|
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| private final CameraDevice.StateCallback camStateCallback = new CameraDevice.StateCallback() { | ||
| @Override | ||
| public void onOpened(CameraDevice c) { | ||
| Log.i(TAG, "CameraDevice.StateCallback.onOpened"); | ||
| camera = c; | ||
| StartPreview(); | ||
| } | ||
| @Override | ||
| public void onClosed(CameraDevice c) { | ||
| Log.i(TAG, "CameraDevice.StateCallback.onClosed"); | ||
| } | ||
| @Override | ||
| public void onDisconnected(CameraDevice c) { | ||
| Log.i(TAG, "CameraDevice.StateCallback.onDisconnected"); | ||
| Stop(); | ||
| } | ||
| @Override | ||
| public void onError(CameraDevice c, int error) { | ||
| Log.e(TAG, "CameraDevice.StateCallback.onError: " + error); | ||
|
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| boolean was_with_fps = start_with_fps; | ||
| Stop(); | ||
|
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| /* First retry */ | ||
| if ((error == CameraDevice.StateCallback.ERROR_CAMERA_DEVICE || | ||
| error == CameraDevice.StateCallback.ERROR_CAMERA_SERVICE) && | ||
| was_with_fps) | ||
| { | ||
| Log.i(TAG, "Retrying without enforcing frame rate.."); | ||
| start_with_fps = false; | ||
| Start(); | ||
| } | ||
| } | ||
| }; | ||
|
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| private final SurfaceHolder.Callback surfaceHolderCallback = new SurfaceHolder.Callback() { | ||
| @Override | ||
| public void surfaceCreated(SurfaceHolder holder) { | ||
| Log.d(TAG, "SurfaceHolder.Callback.surfaceCreated"); | ||
| if (camera != null) { | ||
| StartPreview(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public void surfaceChanged(SurfaceHolder holder, | ||
| int format, int width, int height) | ||
| { | ||
| Log.d(TAG, "SurfaceHolder.Callback.surfaceChanged"); | ||
| } | ||
|
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| @Override | ||
| public void surfaceDestroyed(SurfaceHolder holder) | ||
| { | ||
| Log.d(TAG, "SurfaceHolder.Callback.surfaceDestroyed"); | ||
| } | ||
| }; | ||
|
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| public PjCamera2(int idx, int w, int h, int fmt, int fps_, | ||
| long userData_, SurfaceView surface) | ||
| { | ||
| camIdx = idx; | ||
| userData = userData_; | ||
| fps = fps_; | ||
| surfaceView = surface; | ||
|
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| /* Some say to put a larger maxImages to improve FPS */ | ||
| imageReader = ImageReader.newInstance(w, h, fmt, 3); | ||
| imageReader.setOnImageAvailableListener(imageAvailListener, null); | ||
|
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| } | ||
|
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| public int SwitchDevice(int idx) | ||
| { | ||
| boolean isCaptureRunning = isRunning; | ||
| int oldIdx = camIdx; | ||
|
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| if (isCaptureRunning) | ||
| Stop(); | ||
|
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| camIdx = idx; | ||
|
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| if (isCaptureRunning) { | ||
| int ret = Start(); | ||
| if (ret != 0) { | ||
| /* Try to revert back */ | ||
| camIdx = oldIdx; | ||
| Start(); | ||
| return ret; | ||
| } | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| private void StartPreview() | ||
| { | ||
| try { | ||
| List<Surface> surfaceList = new ArrayList<>(); | ||
| surfaceList.add(imageReader.getSurface()); | ||
| if (surfaceView != null) | ||
| surfaceList.add(surfaceView.getHolder().getSurface()); | ||
|
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| camera.createCaptureSession(surfaceList, | ||
| new CameraCaptureSession.StateCallback() { | ||
| @Override | ||
| public void onConfigured(CameraCaptureSession session) { | ||
| Log.d(TAG, "CameraCaptureSession.StateCallback.onConfigured"); | ||
|
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| try { | ||
| CaptureRequest.Builder previewBuilder = camera.createCaptureRequest(CameraDevice.TEMPLATE_RECORD); | ||
| previewBuilder.addTarget(imageReader.getSurface()); | ||
| if (surfaceView != null) | ||
| previewBuilder.addTarget(surfaceView.getHolder().getSurface()); | ||
| previewBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO); | ||
| if (start_with_fps) { | ||
| Range<Integer> fpsRange = new Range<>(fps, fps); | ||
| previewBuilder.set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, fpsRange); | ||
| } | ||
| session.setRepeatingRequest(previewBuilder.build(), null, handler); | ||
| previewSession = session; | ||
| } catch (Exception e) { | ||
| Log.d(TAG, e.getMessage()); | ||
| Stop(); | ||
| } | ||
| if (surfaceView!=null) | ||
| surfaceView.getHolder().addCallback(surfaceHolderCallback); | ||
| } | ||
| @Override | ||
| public void onConfigureFailed(CameraCaptureSession session) { | ||
| Log.e(TAG, "CameraCaptureSession.StateCallback.onConfigureFailed"); | ||
| Stop(); | ||
| } | ||
| }, handler); | ||
| } catch (Exception e) { | ||
| Log.d(TAG, e.getMessage()); | ||
| Stop(); | ||
| } | ||
| } | ||
|
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| public int Start() | ||
| { | ||
| PjCameraInfo2 ci = PjCameraInfo2.GetCameraInfo(camIdx); | ||
| if (ci == null) { | ||
| Log.e(TAG, "Invalid device index: " + camIdx); | ||
| return -1; | ||
| } | ||
|
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| CameraManager cm = PjCameraInfo2.GetCameraManager(); | ||
| if (cm == null) | ||
| return -2; | ||
|
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| handlerThread = new HandlerThread("Cam2HandlerThread"); | ||
| handlerThread.start(); | ||
| handler = new Handler(handlerThread.getLooper()); | ||
| isRunning = true; | ||
|
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| try { | ||
| cm.openCamera(ci.id, camStateCallback, handler); | ||
| } catch (Exception e) { | ||
| Log.d(TAG, e.getMessage()); | ||
| Stop(); | ||
| return -10; | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| public void Stop() | ||
| { | ||
| if (!isRunning) | ||
| return; | ||
|
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| isRunning = false; | ||
| Log.d(TAG, "Stopping.."); | ||
|
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| if (previewSession != null) { | ||
| previewSession.close(); | ||
| previewSession = null; | ||
| } | ||
|
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| if (camera != null) { | ||
| camera.close(); | ||
| camera = null; | ||
| } | ||
|
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| if (surfaceView != null) | ||
| surfaceView.getHolder().removeCallback(surfaceHolderCallback); | ||
|
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| if (handlerThread != null) { | ||
| handlerThread.quitSafely(); | ||
| try { | ||
| if (handlerThread.getId() != Thread.currentThread().getId()) { | ||
| Log.d(TAG, "Wait thread.."); | ||
| handlerThread.join(); | ||
| Log.d(TAG, "Wait thread done"); | ||
| } | ||
| handlerThread = null; | ||
| handler = null; | ||
| } catch (InterruptedException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
|
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| /* Reset setting */ | ||
| start_with_fps = true; | ||
|
|
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| Log.d(TAG, "Stopped."); | ||
| } | ||
|
|
||
| } |
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