package com.whyc.widget;
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import android.Manifest;
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import android.annotation.SuppressLint;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.graphics.ImageFormat;
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import android.graphics.SurfaceTexture;
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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.CameraCharacteristics;
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import android.hardware.camera2.CameraDevice;
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import android.hardware.camera2.CameraManager;
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import android.hardware.camera2.CameraMetadata;
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import android.hardware.camera2.CaptureRequest;
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import android.media.Image;
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import android.media.ImageReader;
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import android.media.MediaCodec;
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import android.media.MediaRecorder;
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import android.media.MediaScannerConnection;
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import android.net.Uri;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.support.annotation.NonNull;
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import android.support.v4.app.ActivityCompat;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.Surface;
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import android.view.TextureView;
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import android.view.View;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.whyc.Camera2Activity;
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import com.whyc.Camera2TextureViewActivity;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.Arrays;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import static android.content.ContentValues.TAG;
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import static android.os.Environment.DIRECTORY_DOCUMENTS;
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public class Camera2TextureView extends TextureView {
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private Context mContext;
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private CameraDevice mCameraDevice;
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private CaptureRequest.Builder captureBuilder = null;
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private CameraCaptureSession mCaptureSession;
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private MediaRecorder mMediaRecorder;
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private Surface previewSurface;
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private ImageReader mImageReader;
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private Surface surfaceForStream;
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CaptureRequest.Builder recordRequest;
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private Handler mHandler;
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private HandlerThread mThreadHandler;
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//主页面的视图
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private LinearLayout llUpText;
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private TextView tvDevice;
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public Camera2TextureView(Context context) {
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super(context,null);
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}
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public Camera2TextureView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mContext = context;
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mThreadHandler = new HandlerThread("camera2");
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mThreadHandler.start();
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mHandler = new Handler(mThreadHandler.getLooper());
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}
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public void init(LinearLayout llUpText, TextView tvDevice) {
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this.llUpText = llUpText;
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this.tvDevice = tvDevice;
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setSurfaceTextureListener(mSurfaceTextureListener);
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}
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private SurfaceTextureListener mSurfaceTextureListener = new SurfaceTextureListener() {
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@Override
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public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
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initCamera2();
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}
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@Override
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public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
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}
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@Override
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public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
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return false;
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}
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@Override
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public void onSurfaceTextureUpdated(SurfaceTexture surface) {
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}
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};
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@SuppressLint("MissingPermission")
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private void initCamera2() {
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//获取权限
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// ActivityCompat.requestPermissions(Camera2TextureViewActivity.this, permissionArray, 1);
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CameraManager cm = (CameraManager) mContext.getSystemService(Context.CAMERA_SERVICE);
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try {
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String cameraId = cm.getCameraIdList()[0];
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cm.openCamera(cameraId,mDeviceStateCallback,null);
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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private CameraDevice.StateCallback mDeviceStateCallback = new CameraDevice.StateCallback() {
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@Override
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public void onOpened(CameraDevice cameraDevice) {
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mCameraDevice = cameraDevice;
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SurfaceTexture surfaceTexture = getSurfaceTexture();
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surfaceTexture.setDefaultBufferSize(1920, 1080);
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previewSurface = new Surface(surfaceTexture);
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try {
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createPreviewSession();
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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@Override
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public void onDisconnected(@NonNull CameraDevice camera) {
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}
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@Override
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public void onError(@NonNull CameraDevice camera, int error) {
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}
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};
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private void createPreviewSession() {
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try {
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mCameraDevice.createCaptureSession(Arrays.asList(previewSurface), new CameraCaptureSession.StateCallback() {
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@Override
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public void onConfigured(@NonNull CameraCaptureSession session) {
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mCaptureSession = session;
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startPreview(mCameraDevice);
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}
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@Override
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public void onConfigureFailed(@NonNull CameraCaptureSession session) {
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}
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}, null);
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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private void startPreview(CameraDevice cameraDevice) {
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//启动预览
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try {
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captureBuilder = cameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
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captureBuilder.addTarget(previewSurface);
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/*设置预览的界面*/
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//设置自动对焦模式
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captureBuilder.set(CaptureRequest.CONTROL_AF_MODE,
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CaptureRequest.CONTROL_AF_MODE_AUTO);
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// 设置自动曝光模式
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captureBuilder.set(CaptureRequest.CONTROL_AF_MODE,
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CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);
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// 开始对焦
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captureBuilder.set(CaptureRequest.CONTROL_AF_TRIGGER,
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CameraMetadata.CONTROL_AF_TRIGGER_START);
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captureBuilder.set(CaptureRequest.JPEG_ORIENTATION, 90);
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mCaptureSession.setRepeatingRequest(captureBuilder.build(), null, mHandler);
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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private Surface recorderSurface;
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private int videoWidth = 1920;
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private int videoHeight = 1080;
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private File recorderFile;
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private String recorderPath;
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private boolean isRecording = false;
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private void initRecorder() {
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// recorderFile = new File(Camera2Activity.this.getExternalFilesDir(null).getAbsolutePath() + "/video/");
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// recorderFile = new File(mContext.getExternalFilesDir(null).getAbsolutePath() + "/video/");
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// recorderFile = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM);
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recorderFile = new File(Environment.getExternalStoragePublicDirectory(DIRECTORY_DOCUMENTS).getAbsolutePath() + "/yc_test/");
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if (!recorderFile.exists()) {
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recorderFile.mkdirs();
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}
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recorderPath = recorderFile.getAbsolutePath()+File.separator + System.currentTimeMillis() + ".mp4";
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Log.e(TAG, "视频路径：" + recorderPath);
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mMediaRecorder = new MediaRecorder();
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// recorderSurface = MediaCodec.createPersistentInputSurface();
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// mMediaRecorder.setInputSurface(recorderSurface);
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mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
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mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
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mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
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mMediaRecorder.setOutputFile(recorderPath);
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mMediaRecorder.setVideoEncodingBitRate(10000000);
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mMediaRecorder.setVideoFrameRate(30);
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mMediaRecorder.setVideoSize(videoWidth, videoHeight);
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mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
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mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
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// 开始录制
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/*try {
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mMediaRecorder.prepare();
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} catch (IOException e) {
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e.printStackTrace();
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}*/
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}
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public void createRecorderSession(){
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mImageReader = ImageReader.newInstance(1920, 1080, ImageFormat.JPEG, 1);
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surfaceForStream = mImageReader.getSurface();
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mImageReader.setOnImageAvailableListener(mImageReaderListener, null);
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if(mMediaRecorder!=null) {
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mMediaRecorder.reset();
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}
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initRecorder();
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try{
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mMediaRecorder.prepare();
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}catch (Exception e){
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e.printStackTrace();
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}
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try {
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// mCameraDevice.createCaptureSession(Arrays.asList(previewSurface,mMediaRecorder.getSurface(), surfaceForStream), new CameraCaptureSession.StateCallback() {
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mCameraDevice.createCaptureSession(Arrays.asList(mMediaRecorder.getSurface(), surfaceForStream), new CameraCaptureSession.StateCallback() {
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@Override
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public void onConfigured(@NonNull CameraCaptureSession session) {
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mCaptureSession = session;
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try {
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recordRequest = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
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// recordRequest.addTarget(previewSurface);
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recordRequest.addTarget(mImageReader.getSurface());
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recordRequest.addTarget(mMediaRecorder.getSurface());
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mCaptureSession.setRepeatingRequest(recordRequest.build(), null, mHandler); // 开始录制视频
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mMediaRecorder.start();
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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@Override
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public void onConfigureFailed(@NonNull CameraCaptureSession session) {
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}
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}, null);
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// CaptureRequest.Builder recordRequest = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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private ImageReader.OnImageAvailableListener mImageReaderListener = reader -> {
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/*long now = System.currentTimeMillis();
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SharedPreferences camera2Time = mContext.getSharedPreferences("camera2Time", Context.MODE_PRIVATE);
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long lastTime = camera2Time.getLong("time", 0);
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if (lastTime == 0 || now-lastTime > 1000) {
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//这里只是演示test
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llUpText.setVisibility(View.VISIBLE);
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tvDevice.setText("这是测试的动态赋值");
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camera2Time.edit().putLong("time", now).apply();
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// 获取到拍照的图像数据
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Image image = reader.acquireNextImage();
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// 获取图片的字节数组
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ByteBuffer buffer = image.getPlanes()[0].getBuffer();
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byte[] data = new byte[buffer.remaining()];
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buffer.get(data);
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// 释放图像资源
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image.close();
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// 保存图片到相册
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saveImageToGallery(data);
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}else{
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// 获取到拍照的图像数据
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Image image = reader.acquireNextImage();
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image.close();
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}*/
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SharedPreferences camera2Time = mContext.getSharedPreferences("camera2Time", Context.MODE_PRIVATE);
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long lastTime = camera2Time.getLong("time", 0);
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// 获取到拍照的图像数据
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Image image = reader.acquireNextImage();
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long now = image.getTimestamp()/1000000000;
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if (lastTime == 0 || now-lastTime > 5) {
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camera2Time.edit().putLong("time", now).apply();
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//这里只是演示test
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llUpText.setVisibility(View.VISIBLE);
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tvDevice.setText("这是测试的动态赋值");
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// 获取图片的字节数组
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ByteBuffer buffer = image.getPlanes()[0].getBuffer();
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byte[] data = new byte[buffer.remaining()];
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buffer.get(data);
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// 释放图像资源
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image.close();
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// 保存图片到相册
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saveImageToGallery(data);
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}else{
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image.close();
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}
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};
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private void saveImageToGallery(byte[] data) {
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// 定义图片的保存路径和文件名
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String fileName = "IMG_" + System.currentTimeMillis() + ".jpg";
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String filePath = Environment.getExternalStoragePublicDirectory(DIRECTORY_DOCUMENTS).getAbsolutePath() + "/yc_test"+ File.separator + fileName;
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// 创建文件输出流
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try {
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FileOutputStream fos = new FileOutputStream(filePath);
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fos.write(data);
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fos.close();
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// 通知图库更新
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MediaScannerConnection.scanFile(mContext, new String[]{filePath}, null, null);
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// 在某些设备上，可能需要发送广播通知才能使图片立即出现在相册中
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mContext.sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, Uri.fromFile(new File(filePath))));
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// 显示保存成功的提示
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// Toast.makeText(this, "图片保存成功", Toast.LENGTH_SHORT).show();
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} catch (IOException e) {
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e.printStackTrace();
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// 显示保存失败的提示
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// Toast.makeText(this, "图片保存失败", Toast.LENGTH_SHORT).show();
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}
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}
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public void stopRecording() {
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//这里只是演示test
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llUpText.setVisibility(View.GONE);
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//停止画面图片监听
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mImageReader.close();
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// 停止录制视频
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try {
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mMediaRecorder.stop();
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// createPreviewSession();
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} catch (IllegalStateException e) {
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e.printStackTrace();
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} finally {
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// mMediaRecorder.reset();
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// mMediaRecorder.release();
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// mMediaRecorder = null;
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}
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isRecording = false;
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// 关闭相机预览会话
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// if (captureSession != null) {
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// captureSession.close();
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// captureSession = null;
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// }
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//图库更新
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addToGallery(recorderPath);
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}
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private void addToGallery(String videoFilePath) {
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// 发送广播通知图库更新
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MediaScannerConnection.scanFile(mContext, new String[]{videoFilePath}, null,
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(path, uri) -> {
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// 添加到相册成功的回调
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Toast.makeText(mContext, "视频已保存至相册", Toast.LENGTH_SHORT).show();
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});
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}
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}
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