From 263432ae8c0f6f6dc5cc214772f1863389184add Mon Sep 17 00:00:00 2001
From: whycxzp <glperry@163.com>
Date: 星期五, 26 七月 2024 14:36:22 +0800
Subject: [PATCH] 优化线程和释放资源
---
app/src/main/java/com/whyc/widget/Camera2TextureView2.java | 244 ++++++++++++++++++++++++++++++++----------------
1 files changed, 161 insertions(+), 83 deletions(-)
diff --git a/app/src/main/java/com/whyc/widget/Camera2TextureView2.java b/app/src/main/java/com/whyc/widget/Camera2TextureView2.java
index bd959f9..80f2920 100644
--- a/app/src/main/java/com/whyc/widget/Camera2TextureView2.java
+++ b/app/src/main/java/com/whyc/widget/Camera2TextureView2.java
@@ -3,6 +3,7 @@
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
+import android.graphics.Bitmap;
import android.graphics.ImageFormat;
import android.graphics.SurfaceTexture;
import android.hardware.camera2.CameraAccessException;
@@ -11,7 +12,6 @@
import android.hardware.camera2.CameraDevice;
import android.hardware.camera2.CameraManager;
import android.hardware.camera2.CaptureRequest;
-import android.hardware.camera2.params.StreamConfigurationMap;
import android.media.Image;
import android.media.ImageReader;
import android.media.MediaRecorder;
@@ -27,16 +27,19 @@
import android.util.Size;
import android.view.Surface;
import android.view.TextureView;
-import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
+
+import com.whyc.util.BitmapUtil;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
+import java.util.ArrayList;
import java.util.Arrays;
+import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
@@ -68,21 +71,35 @@
private ImageReader mImageReader;
private Surface surfaceForStream;
- private Handler mHandler;
+ /**绾跨▼澶勭悊鍣� 鍒嗗埆澶勭悊 褰曞儚,棰勮,鎷嶇収*/
private Handler mainHandler = new Handler(Looper.getMainLooper());
- private HandlerThread mThreadHandler;
+
+ private HandlerThread videoThread;
+ private HandlerThread previewThread;
+ private HandlerThread captureThread;
+ private HandlerThread imageThread;
+
+ private Handler videoThreadHandler;
+ private Handler previewThreadHandler;
+ private Handler captureThreadHandler;
+ private Handler imageThreadHandler;
+
+
ScheduledExecutorService scheduledExecutorService;
//涓婚〉闈㈢殑瑙嗗浘
private LinearLayout llUpText;
private TextView tvDevice;
- private int weight = 3840;
+ private int wight = 3840;
private int height = 2160;
+// private int wight = 1920;
+// private int height = 1080;
private int videoWidth = 1920;
private int videoHeight = 1080;
- Size outputSizes;
+ Size outputSizes = new Size(wight,height);
+
public Camera2TextureView2(Context context) {
super(context,null);
@@ -99,14 +116,6 @@
});*/
mContext = context;
- mThreadHandler = new HandlerThread("camera2");
- mThreadHandler.start();
- mHandler = new Handler(mThreadHandler.getLooper());
-
- startBackgroundThread();
-
-
-
}
public void init(LinearLayout llUpText, TextView tvDevice) {
@@ -120,8 +129,10 @@
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
//棰勮surface
SurfaceTexture surfaceTexture = getSurfaceTexture();
- surfaceTexture.setDefaultBufferSize(videoWidth, videoHeight);
+ surfaceTexture.setDefaultBufferSize(outputSizes.getWidth(), outputSizes.getHeight());
previewSurface = new Surface(surfaceTexture);
+ //椤甸潰鍔犺浇鍚庡垵濮嬪寲绾跨▼澶勭悊鍣�
+ initPreviewThreadHandler();
initCamera2();
}
@Override
@@ -152,15 +163,9 @@
if(cameraCharacteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT){
cm.openCamera(cameraId,subDeviceStateCallback,null);
}else if(cameraCharacteristics.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_BACK){
- StreamConfigurationMap map = cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
- outputSizes = new Size(weight,height);
cm.openCamera(cameraId,mainDeviceStateCallback,null);
}
}
- //鎷嶇収鐨勬帴鏀跺櫒
- mImageReader = ImageReader.newInstance(outputSizes.getWidth(), outputSizes.getHeight(), ImageFormat.JPEG, 1);
- mImageReader.setOnImageAvailableListener(mImageReaderListener, null);
- surfaceForStream = mImageReader.getSurface();
}catch (Exception e){
e.printStackTrace();
}
@@ -187,23 +192,10 @@
@Override
public void onOpened(CameraDevice cameraDevice) {
mainCameraDevice = cameraDevice;
- /*//鍒濆鍖栦富鎽勫儚澶寸殑浼氳瘽
- try {
- mainCameraDevice.createCaptureSession(Arrays.asList(previewSurface, surfaceForStream), new CameraCaptureSession.StateCallback() {
- @Override
- public void onConfigured(@NonNull CameraCaptureSession session) {
- mainCaptureSession = session;
- }
- @Override
- public void onConfigureFailed(@NonNull CameraCaptureSession session) {
-
- }
- }, null);
- } catch (Exception e) {
- e.printStackTrace();
-
- }*/
+ //鎷嶇収鐨勬帴鏀跺櫒
+ mImageReader = ImageReader.newInstance(outputSizes.getWidth(), outputSizes.getHeight(), ImageFormat.YUV_420_888, 2);
+ // mImageReader = ImageReader.newInstance(outputSizes.getWidth(), outputSizes.getHeight(), ImageFormat.JPEG, 4);
//鍒涘缓涓绘憚鍍忓ご浼氳瘽骞堕瑙�
createPreviewSession();
}
@@ -222,7 +214,7 @@
private void createPreviewSession() {
try {
- mainCameraDevice.createCaptureSession(Arrays.asList(previewSurface,surfaceForStream), new CameraCaptureSession.StateCallback() {
+ mainCameraDevice.createCaptureSession(Arrays.asList(previewSurface, mImageReader.getSurface()), new CameraCaptureSession.StateCallback() {
@Override
public void onConfigured(@NonNull CameraCaptureSession session) {
mainCaptureSession = session;
@@ -247,13 +239,12 @@
private void startPreview() {
//鍚姩棰勮
try {
- mainCaptureSession.setRepeatingRequest(previewCaptureBuilder.build(), null, mHandler);
+ mainCaptureSession.setRepeatingRequest(previewCaptureBuilder.build(), null, previewThreadHandler);
} catch (CameraAccessException e) {
e.printStackTrace();
}
}
- private Surface recorderSurface;
private File recorderFile;
private String recorderPath;
private boolean isRecording = false;
@@ -280,31 +271,14 @@
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
}
- private Handler backgroundHandler;
- private HandlerThread backgroundThread;
-
- private void startBackgroundThread() {
- backgroundThread = new HandlerThread("Camera Background");
- backgroundThread.start();
- backgroundHandler = new Handler(backgroundThread.getLooper());
- }
-
- private void stopBackgroundThread() {
- backgroundThread.quitSafely();
- try {
- backgroundThread.join();
- backgroundThread = null;
- backgroundHandler = null;
- } catch (InterruptedException e) {
- e.printStackTrace();
- }
- }
-
public void createRecorderSession(){
if(mMediaRecorder!=null) {
mMediaRecorder.reset();
}
initRecorder();
+ //绾跨▼寮�鍚�
+ initThreadHandlerForRecording();
+ mImageReader.setOnImageAvailableListener(mImageReaderListener, imageThreadHandler);
try{
mMediaRecorder.prepare();
mMediaRecorder.start();
@@ -323,7 +297,7 @@
videoCaptureBuilder.addTarget(mMediaRecorder.getSurface());
// 寮�濮嬪綍鍒惰棰�
- subCaptureSession.setRepeatingRequest(videoCaptureBuilder.build(), null, backgroundHandler);
+ subCaptureSession.setRepeatingRequest(videoCaptureBuilder.build(), null, videoThreadHandler);
} catch (Exception e) {
e.printStackTrace();
}
@@ -342,7 +316,7 @@
public void run() {
takePhoto();
}
- }, 2, 2, TimeUnit.SECONDS);
+ }, 5, 2, TimeUnit.SECONDS);
// focus();
} catch (CameraAccessException e) {
e.printStackTrace();
@@ -358,11 +332,13 @@
// 璁剧疆瀵圭劍妯″紡
// captureCaptureBuilder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE);
try {
- CaptureRequest.Builder captureRequest = mainCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
- captureRequest.addTarget(surfaceForStream);
- captureRequest.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);
- mainCaptureSession.capture(captureRequest.build(),null, mHandler);
- Log.d("Camera2", "鎷嶇収鎴愬姛");
+ if(captureCaptureBuilder == null) {
+ captureCaptureBuilder = mainCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
+ captureCaptureBuilder.addTarget(mImageReader.getSurface());
+ captureCaptureBuilder.set(CaptureRequest.CONTROL_AE_MODE, CaptureRequest.CONTROL_AE_MODE_ON_AUTO_FLASH);
+ }
+ mainCaptureSession.capture(captureCaptureBuilder.build(),null, captureThreadHandler);
+ Log.d("Camera2", "鎷嶇収鎴愬姛:");
} catch (CameraAccessException e) {
e.printStackTrace();
}
@@ -371,18 +347,65 @@
}
}
-
-
private ImageReader.OnImageAvailableListener mImageReaderListener = reader -> {
+ Image image = reader.acquireNextImage();
+ Log.d("Camera2", "鑾峰彇鍒板浘鍍忔暟鎹�:");
+ try {
// 鑾峰彇鍒版媿鐓х殑鍥惧儚鏁版嵁
- Image image = reader.acquireNextImage();
//杩欓噷鍙槸婕旂ずtest
- llUpText.setVisibility(View.VISIBLE);
- tvDevice.setText("杩欐槸娴嬭瘯鐨勫姩鎬佽祴鍊�");
- // 淇濆瓨鍥剧墖鍒扮浉鍐�
- saveImageToGallery(image);
+ // llUpText.setVisibility(View.VISIBLE);
+ // tvDevice.setText("杩欐槸娴嬭瘯鐨勫姩鎬佽祴鍊�");
+ // 淇濆瓨鍥剧墖鍒扮浉鍐�-杩欑鏂瑰紡鏄疛EPG鏍煎紡
+ // saveImageToGallery(image);
+ //YUV420
+ // int I420size = image.getWidth()*image.getHeight()*3/2;
+ // byte[] nv21 = new byte[I420size];
+ // YUVUtil.YUVToNV21_NV12(image,nv21,outputSizes.getWidth(),outputSizes.getHeight(),"NV21");
+ List<byte[]> planetBytes = getPlanetBytes(image);
+ byte[] nv21 = byteMergerAll(planetBytes.get(0), planetBytes.get(1));
+ Bitmap bitmap = BitmapUtil.nv21ToBitmap(nv21, outputSizes.getWidth(), outputSizes.getHeight());
+ BitmapUtil.saveBitmapToFile(bitmap);
+ }catch (Exception e){
+ e.printStackTrace();
+ }finally {
+ image.close();
+ }
};
+
+ private List<byte[]> getPlanetBytes(Image image) {
+ Image.Plane[] planes = image.getPlanes();
+ int remaining0 = planes[0].getBuffer().remaining();
+// int remaining1 = planes[1].getBuffer().remaining();
+ int remaining2 = planes[2].getBuffer().remaining();
+ //鍒嗗埆鍑嗗涓変釜鏁扮粍鎺ユ敹YUV鍒嗛噺銆�
+ byte[] yRawSrcBytes = new byte[remaining0];
+// byte[] uRawSrcBytes = new byte[remaining1];
+ byte[] vRawSrcBytes = new byte[remaining2];
+ planes[0].getBuffer().get(yRawSrcBytes);
+// planes[1].getBuffer().get(uRawSrcBytes);
+ planes[2].getBuffer().get(vRawSrcBytes);
+
+ List<byte[]> yuvBytes = new ArrayList<>();
+ yuvBytes.add(yRawSrcBytes);
+ yuvBytes.add(vRawSrcBytes);
+ return yuvBytes;
+ }
+
+ private static byte[] byteMergerAll(byte[]... values) {
+ int length_byte = 0;
+ for (int i = 0; i < values.length; i++) {
+ length_byte += values[i].length;
+ }
+ byte[] all_byte = new byte[length_byte];
+ int countLength = 0;
+ for (int i = 0; i < values.length; i++) {
+ byte[] b = values[i];
+ System.arraycopy(b, 0, all_byte, countLength, b.length);
+ countLength += b.length;
+ }
+ return all_byte;
+ }
private void saveImageToGallery(Image image) {
// 瀹氫箟鍥剧墖鐨勪繚瀛樿矾寰勫拰鏂囦欢鍚�
@@ -415,22 +438,20 @@
}
public void stopRecording() {
- stopBackgroundThread();
try {
// 鍋滄褰曞埗瑙嗛,鍏抽棴褰曞儚璇锋眰
mMediaRecorder.stop();
//鍏抽棴褰曞埗瑙嗛浼氳瘽
- subCaptureSession.close();
-
+ subCaptureSession.stopRepeating();
//鍏抽棴鎷嶇収浼氳瘽
- scheduledExecutorService.shutdown();
- mainCaptureSession.close();
+ scheduledExecutorService.shutdownNow();
//鍋滄鐢婚潰鍥剧墖鐩戝惉
- mImageReader.close();
+ mImageReader.setOnImageAvailableListener(null, null);
+ //缁堟绾跨▼
+ stopThreadHandlerForRecording();
+
//杩欓噷鍙槸婕旂ずtest
- llUpText.setVisibility(View.GONE);
- //鍚姩棰勮
- createPreviewSession();
+// llUpText.setVisibility(View.GONE);
} catch (Exception e) {
e.printStackTrace();
} finally {
@@ -452,4 +473,61 @@
Toast.makeText(mContext, "瑙嗛宸蹭繚瀛樿嚦鐩稿唽", Toast.LENGTH_SHORT).show();
});
}
+
+ private void initPreviewThreadHandler(){
+ //棰勮鐨勫鐞嗙嚎绋�
+ previewThread = new HandlerThread("camera2Preview");
+ previewThread.start();
+ previewThreadHandler = new Handler(previewThread.getLooper());
+
+ //鍥惧儚鐩戞祴鐨勫鐞嗙嚎绋�
+ imageThread = new HandlerThread("camera2Image");
+ imageThread.start();
+ imageThreadHandler = new Handler(imageThread.getLooper());
+ }
+
+ /**
+ * 褰曞儚 涓�涓嚎绋嬪鐞嗗櫒
+ * 鎷嶇収 涓�涓嚎绋嬪鐞嗗櫒
+ * 鍥惧儚鐩戞祴 涓�涓嚎绋嬪鐞嗗櫒
+ */
+ private void initThreadHandlerForRecording() {
+ //褰曞儚鐨勫鐞嗙嚎绋�
+ videoThread = new HandlerThread("Camera2Video");
+ videoThread.start();
+ videoThreadHandler = new Handler(videoThread.getLooper());
+
+ //鎷嶇収鐨勫鐞嗙嚎绋�
+ captureThread = new HandlerThread("camera2Capture");
+ captureThread.start();
+ captureThreadHandler = new Handler(captureThread.getLooper());
+
+ //鍥惧儚鐩戞祴鐨勫鐞嗙嚎绋�
+ if(imageThreadHandler == null) {
+ imageThread = new HandlerThread("camera2Image");
+ imageThread.start();
+ imageThreadHandler = new Handler(imageThread.getLooper());
+ }
+ }
+
+ private void stopThreadHandlerForRecording() {
+ try {
+ videoThread.quitSafely();
+ videoThread.join();
+ videoThread = null;
+ videoThreadHandler = null;
+
+ captureThread.quitSafely();
+ captureThread.join();
+ captureThread = null;
+ captureThreadHandler = null;
+
+ imageThread.quitSafely();
+ imageThread.join();
+ imageThread = null;
+ imageThreadHandler = null;
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ }
}
--
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