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• Android studio + OpenCV + FFmpeg

  11 juillet 2018, par t0m

  I have problem with code, which is functional only for Genymotion device (Android 4.1.1), but for Genymotion device 5.0.1 and real device Huawei honor 4c Android 4.4.2 not.

  I have imported OpenCV 3.1 to Android studio by : https://stackoverflow.com/a/27421494/4244605
  I added JavaCV with FFmpeg by : https://github.com/bytedeco/javacv

  Android studio 1.5.1
  minSdkVersion 15
  compileSdkVersion 23

  Code is only for test.
  OpenCVCameraActivity.java :

  import android.app.Activity;
  
  import android.hardware.Camera;
  
  import android.media.AudioFormat;
  
  import android.media.AudioRecord;
  
  import android.media.MediaRecorder;
  
  import android.os.Bundle;
  
  import android.os.Environment;
  
  import android.util.Log;
  
  import android.view.Menu;
  
  import android.view.MenuItem;
  
  import android.view.MotionEvent;
  
  import android.view.SubMenu;
  
  import android.view.SurfaceView;
  
  import android.view.View;
  
  import android.view.WindowManager;
  
  import android.widget.Toast;
  
  
  
  import org.bytedeco.javacv.FFmpegFrameRecorder;
  
  import org.bytedeco.javacv.Frame;
  
  import org.opencv.android.BaseLoaderCallback;
  
  import org.opencv.android.CameraBridgeViewBase;
  
  import org.opencv.android.LoaderCallbackInterface;
  
  import org.opencv.android.OpenCVLoader;
  
  import org.opencv.core.Mat;
  
  
  
  import java.io.File;
  
  import java.nio.ShortBuffer;
  
  import java.text.SimpleDateFormat;
  
  import java.util.Date;
  
  import java.util.List;
  
  import java.util.ListIterator;
  
  
  
  @SuppressWarnings("ALL")
  
  public class OpenCVCameraActivity extends Activity implements
  
          CameraBridgeViewBase.CvCameraViewListener2,
  
          View.OnTouchListener {
  
  
  
      //name of activity, for DEBUGGING
  
      private static final String TAG = OpenCVCameraActivity.class.getSimpleName();
  
  
  
      private OpenCVCameraPreview mOpenCvCameraView;
  
      private List mResolutionList;
  
      private MenuItem[] mEffectMenuItems;
  
      private SubMenu mColorEffectsMenu;
  
      private MenuItem[] mResolutionMenuItems;
  
      private SubMenu mResolutionMenu;
  
  
  
      private static long frameCounter = 0;
  
  
  
      long startTime = 0;
  
      private Mat edgesMat;
  
      boolean recording = false;
  
      private int sampleAudioRateInHz = 44100;
  
      private int imageWidth = 1920;
  
      private int imageHeight = 1080;
  
      private int frameRate = 30;
  
      private Frame yuvImage = null;
  
      private File ffmpeg_link;
  
      private FFmpegFrameRecorder recorder;
  
  
  
      /* audio data getting thread */
  
      private AudioRecord audioRecord;
  
      private AudioRecordRunnable audioRecordRunnable;
  
      private Thread audioThread;
  
      volatile boolean runAudioThread = true;
  
      ShortBuffer[] samples;
  
  
  
  
  
      private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
  
          @Override
  
          public void onManagerConnected(int status) {
  
              switch (status) {
  
                  case LoaderCallbackInterface.SUCCESS:
  
                      Log.i(TAG, "OpenCV loaded successfully");
  
                      mOpenCvCameraView.enableView();
  
                      mOpenCvCameraView.setOnTouchListener(OpenCVCameraActivity.this);
  
                  break;
  
                  default:
  
                      super.onManagerConnected(status);
  
                  break;
  
              }
  
          }
  
      };
  
  
  
      @Override
  
      protected void onCreate(Bundle savedInstanceState) {
  
          super.onCreate(savedInstanceState);
  
          if(Static.DEBUG) Log.i(TAG, "onCreate()");
  
  
  
          getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
  
  
  
          try {
  
              setContentView(R.layout.activity_opencv);
  
  
  
              mOpenCvCameraView = (OpenCVCameraPreview) findViewById(R.id.openCVCameraPreview);
  
              mOpenCvCameraView.setVisibility(SurfaceView.VISIBLE);
  
              mOpenCvCameraView.setCvCameraViewListener(this);
  
  
  
              //mOpenCvCameraView.enableFpsMeter();
  
  
  
              ffmpeg_link = new File(Environment.getExternalStorageDirectory(), "stream.mp4");
  
          } catch (Exception e){
  
              e.printStackTrace();
  
          }
  
      }
  
  
  
      @Override
  
      protected void onRestart() {
  
          if (Static.DEBUG) Log.i(TAG, "onRestart()");
  
          super.onRestart();
  
      }
  
  
  
      @Override
  
      protected void onStart() {
  
          if (Static.DEBUG) Log.i(TAG, "onStart()");
  
          super.onStart();
  
      }
  
  
  
      @Override
  
      protected void onResume() {
  
          if (Static.DEBUG) Log.i(TAG, "onResume()");
  
          super.onResume();
  
  
  
          if (!OpenCVLoader.initDebug()) {
  
              Log.i(TAG, "Internal OpenCV library not found. Using OpenCV Manager for initialization");
  
              OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_11, this, mLoaderCallback);
  
          } else {
  
              Log.i(TAG, "OpenCV library found inside package. Using it!");
  
              mLoaderCallback.onManagerConnected(LoaderCallbackInterface.SUCCESS);
  
          }
  
  
  
      }
  
  
  
      @Override
  
      public boolean onCreateOptionsMenu(Menu menu) {
  
          if (Static.DEBUG) Log.i(TAG, "onCreateOptionsMenu()");
  
          super.onCreateOptionsMenu(menu);
  
  
  
          List<string> effects = mOpenCvCameraView.getEffectList();
  
  
  
          if (effects == null) {
  
              Log.e(TAG, "Color effects are not supported by device!");
  
              return true;
  
          }
  
  
  
          mColorEffectsMenu = menu.addSubMenu("Color Effect");
  
          mEffectMenuItems = new MenuItem[effects.size()];
  
  
  
          int idx = 0;
  
          ListIterator<string> effectItr = effects.listIterator();
  
          while(effectItr.hasNext()) {
  
              String element = effectItr.next();
  
              mEffectMenuItems[idx] = mColorEffectsMenu.add(1, idx, Menu.NONE, element);
  
              idx++;
  
          }
  
  
  
          mResolutionMenu = menu.addSubMenu("Resolution");
  
          mResolutionList = mOpenCvCameraView.getResolutionList();
  
          mResolutionMenuItems = new MenuItem[mResolutionList.size()];
  
  
  
          ListIterator resolutionItr = mResolutionList.listIterator();
  
          idx = 0;
  
          while(resolutionItr.hasNext()) {
  
              Camera.Size element = resolutionItr.next();
  
              mResolutionMenuItems[idx] = mResolutionMenu.add(2, idx, Menu.NONE,
  
                      Integer.valueOf(element.width).toString() + "x" + Integer.valueOf(element.height).toString());
  
              idx++;
  
          }
  
  
  
          return true;
  
      }
  
  
  
      @Override
  
      protected void onPause() {
  
          if (Static.DEBUG) Log.i(TAG, "onPause()");
  
          super.onPause();
  
  
  
          if (mOpenCvCameraView != null)
  
              mOpenCvCameraView.disableView();
  
  
  
      }
  
  
  
      @Override
  
      protected void onStop() {
  
          if (Static.DEBUG) Log.i(TAG, "onStop()");
  
          super.onStop();
  
      }
  
  
  
      @Override
  
      protected void onDestroy() {
  
          if (Static.DEBUG) Log.i(TAG, "onDestroy()");
  
          super.onDestroy();
  
  
  
          if (mOpenCvCameraView != null)
  
              mOpenCvCameraView.disableView();
  
      }
  
  
  
      public Mat onCameraFrame(CameraBridgeViewBase.CvCameraViewFrame inputFrame) {
  
  
  
          ++frameCounter;
  
          //Log.i(TAG, "Frame number: "+frameCounter);
  
  
  
          return inputFrame.rgba();
  
      }
  
  
  
  
  
      @Override
  
      public void onCameraViewStarted(int width, int height) {
  
          edgesMat = new Mat();
  
      }
  
  
  
      @Override
  
      public void onCameraViewStopped() {
  
          if (edgesMat != null)
  
              edgesMat.release();
  
  
  
          edgesMat = null;
  
      }
  
  
  
      public boolean onOptionsItemSelected(MenuItem item) {
  
          Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
  
          if (item.getGroupId() == 1)
  
          {
  
              mOpenCvCameraView.setEffect((String) item.getTitle());
  
              Toast.makeText(this, mOpenCvCameraView.getEffect(), Toast.LENGTH_SHORT).show();
  
          } else if (item.getGroupId() == 2) {
  
              int id = item.getItemId();
  
              Camera.Size resolution = mResolutionList.get(id);
  
              mOpenCvCameraView.setResolution(resolution);
  
              resolution = mOpenCvCameraView.getResolution();
  
              String caption = Integer.valueOf(resolution.width).toString() + "x" + Integer.valueOf(resolution.height).toString();
  
              Toast.makeText(this, caption, Toast.LENGTH_SHORT).show();
  
          }
  
  
  
          return true;
  
      }
  
  
  
      @Override
  
      public boolean onTouch(View v, MotionEvent event) {
  
          Log.i(TAG,"onTouch event");
  
          SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd_HH-mm-ss");
  
          String currentDateandTime = sdf.format(new Date());
  
          String fileName = Environment.getExternalStorageDirectory().getPath() +
  
                  "/sample_picture_" + currentDateandTime + ".jpg";
  
          mOpenCvCameraView.takePicture(fileName);
  
          Toast.makeText(this, fileName + " saved", Toast.LENGTH_SHORT).show();
  
          return false;
  
      }
  
  
  
      /**
  
       * Click to ImageButton to start recording.
  
       */
  
      public void onClickBtnStartRecord2(View v) {
  
          if (Static.DEBUG) Log.i(TAG, "onClickBtnStartRecord()");
  
  
  
          if(!recording)
  
              startRecording();
  
          else
  
              stopRecording();
  
      }
  
  
  
      private void startRecording() {
  
          if (Static.DEBUG) Log.i(TAG, "startRecording()");
  
          initRecorder();
  
  
  
          try {
  
              recorder.start();
  
              startTime = System.currentTimeMillis();
  
              recording = true;
  
              audioThread.start();
  
          } catch(FFmpegFrameRecorder.Exception e) {
  
              e.printStackTrace();
  
          }
  
      }
  
  
  
      private void stopRecording() {
  
          if (Static.DEBUG) Log.i(TAG, "stopRecording()");
  
  
  
          runAudioThread = false;
  
          try {
  
              audioThread.join();
  
          } catch(InterruptedException e) {
  
              e.printStackTrace();
  
          }
  
          audioRecordRunnable = null;
  
          audioThread = null;
  
  
  
          if(recorder != null &amp;&amp; recording) {
  
  
  
              recording = false;
  
              Log.v(TAG, "Finishing recording, calling stop and release on recorder");
  
              try {
  
                  recorder.stop();
  
                  recorder.release();
  
              } catch(FFmpegFrameRecorder.Exception e) {
  
                  e.printStackTrace();
  
              }
  
              recorder = null;
  
          }
  
      }
  
  
  
  
  
      //---------------------------------------
  
      // initialize ffmpeg_recorder
  
      //---------------------------------------
  
      private void initRecorder() {
  
  
  
          Log.w(TAG, "init recorder");
  
          try {
  
  
  
              if (yuvImage == null) {
  
                  yuvImage = new Frame(imageWidth, imageHeight, Frame.DEPTH_UBYTE, 2);
  
                  Log.i(TAG, "create yuvImage");
  
              }
  
  
  
              Log.i(TAG, "ffmpeg_url: " + ffmpeg_link.getAbsolutePath());
  
              Log.i(TAG, "ffmpeg_url: " + ffmpeg_link.exists());
  
              recorder = new FFmpegFrameRecorder(ffmpeg_link, imageWidth, imageHeight, 1);
  
              recorder.setFormat("mp4");
  
              recorder.setSampleRate(sampleAudioRateInHz);
  
              // Set in the surface changed method
  
              recorder.setFrameRate(frameRate);
  
  
  
              Log.i(TAG, "recorder initialize success");
  
  
  
              audioRecordRunnable = new AudioRecordRunnable();
  
              audioThread = new Thread(audioRecordRunnable);
  
              runAudioThread = true;
  
          } catch (Exception e){
  
              e.printStackTrace();
  
          }
  
      }
  
  
  
      //---------------------------------------------
  
      // audio thread, gets and encodes audio data
  
      //---------------------------------------------
  
      class AudioRecordRunnable implements Runnable {
  
  
  
          @Override
  
          public void run() {
  
              android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_URGENT_AUDIO);
  
  
  
              // Audio
  
              int bufferSize;
  
              ShortBuffer audioData;
  
              int bufferReadResult;
  
  
  
              bufferSize = AudioRecord.getMinBufferSize(sampleAudioRateInHz,
  
                      AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT);
  
              audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, sampleAudioRateInHz,
  
                      AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSize);
  
  
  
              audioData = ShortBuffer.allocate(bufferSize);
  
  
  
              Log.d(TAG, "audioRecord.startRecording()");
  
              audioRecord.startRecording();
  
  
  
              /* ffmpeg_audio encoding loop */
  
              while(runAudioThread) {
  
                  //Log.v(TAG,"recording? " + recording);
  
                  bufferReadResult = audioRecord.read(audioData.array(), 0, audioData.capacity());
  
                  audioData.limit(bufferReadResult);
  
                  if(bufferReadResult > 0) {
  
                      Log.v(TAG, "bufferReadResult: " + bufferReadResult);
  
                      // If "recording" isn't true when start this thread, it never get's set according to this if statement...!!!
  
                      // Why?  Good question...
  
                      if(recording) {
  
                              try {
  
                                  recorder.recordSamples(audioData);
  
                                  //Log.v(TAG,"recording " + 1024*i + " to " + 1024*i+1024);
  
                              } catch(FFmpegFrameRecorder.Exception e) {
  
                                  Log.v(TAG, e.getMessage());
  
                                  e.printStackTrace();
  
                              }
  
                      }
  
                  }
  
              }
  
              Log.v(TAG, "AudioThread Finished, release audioRecord");
  
  
  
              /* encoding finish, release recorder */
  
              if(audioRecord != null) {
  
                  audioRecord.stop();
  
                  audioRecord.release();
  
                  audioRecord = null;
  
                  Log.v(TAG, "audioRecord released");
  
              }
  
          }
  
      }
  
  }
  
  </string></string>

  OpenCVCameraPreview.java :

  import android.content.Context;
  
  import android.hardware.Camera;
  
  import android.util.AttributeSet;
  
  import android.util.Log;
  
  
  
  import org.opencv.android.JavaCameraView;
  
  
  
  import java.io.FileOutputStream;
  
  import java.util.List;
  
  
  
  public class OpenCVCameraPreview extends JavaCameraView implements Camera.PictureCallback {
  
  
  
      private static final String TAG =  OpenCVCameraPreview.class.getSimpleName();
  
      private String mPictureFileName;
  
  
  
      public OpenCVCameraPreview(Context context, AttributeSet attrs) {
  
          super(context, attrs);
  
      }
  
  
  
      public List<string> getEffectList() {
  
          return mCamera.getParameters().getSupportedColorEffects();
  
      }
  
  
  
      public boolean isEffectSupported() {
  
          return (mCamera.getParameters().getColorEffect() != null);
  
      }
  
  
  
      public String getEffect() {
  
          return mCamera.getParameters().getColorEffect();
  
      }
  
  
  
      public void setEffect(String effect) {
  
          Camera.Parameters params = mCamera.getParameters();
  
          params.setColorEffect(effect);
  
          mCamera.setParameters(params);
  
      }
  
  
  
      public List getResolutionList() {
  
          return mCamera.getParameters().getSupportedPreviewSizes();
  
      }
  
  
  
      public void setResolution(Camera.Size resolution) {
  
          disconnectCamera();
  
          mMaxHeight = resolution.height;
  
          mMaxWidth = resolution.width;
  
          connectCamera(getWidth(), getHeight());
  
      }
  
  
  
      public Camera.Size getResolution() {
  
          return mCamera.getParameters().getPreviewSize();
  
      }
  
  
  
      public void takePicture(final String fileName) {
  
          Log.i(TAG, "Taking picture");
  
          this.mPictureFileName = fileName;
  
          // Postview and jpeg are sent in the same buffers if the queue is not empty when performing a capture.
  
          // Clear up buffers to avoid mCamera.takePicture to be stuck because of a memory issue
  
          mCamera.setPreviewCallback(null);
  
  
  
          // PictureCallback is implemented by the current class
  
          mCamera.takePicture(null, null, this);
  
      }
  
  
  
      @Override
  
      public void onPictureTaken(byte[] data, Camera camera) {
  
          Log.i(TAG, "Saving a bitmap to file");
  
          // The camera preview was automatically stopped. Start it again.
  
          mCamera.startPreview();
  
          mCamera.setPreviewCallback(this);
  
  
  
          // Write the image in a file (in jpeg format)
  
          try {
  
              FileOutputStream fos = new FileOutputStream(mPictureFileName);
  
  
  
              fos.write(data);
  
              fos.close();
  
  
  
          } catch (java.io.IOException e) {
  
              Log.e("PictureDemo", "Exception in photoCallback", e);
  
          }
  
  
  
      }
  
  }
  
  </string>

  Gradle :

  apply plugin: 'com.android.application'
  
  
  
  android {
  
      compileSdkVersion 23
  
      buildToolsVersion "23.0.2"
  
  
  
      defaultConfig {
  
          applicationId "co.example.example"
  
          minSdkVersion 15
  
          targetSdkVersion 23
  
          versionCode 1
  
          versionName "1.0"
  
      }
  
      buildTypes {
  
          release {
  
              minifyEnabled false
  
              proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
  
          }
  
      }
  
  
  
      packagingOptions {
  
          exclude 'META-INF/maven/org.bytedeco.javacpp-presets/opencv/pom.properties'
  
          exclude 'META-INF/maven/org.bytedeco.javacpp-presets/opencv/pom.xml'
  
          exclude 'META-INF/maven/org.bytedeco.javacpp-presets/ffmpeg/pom.properties'
  
          exclude 'META-INF/maven/org.bytedeco.javacpp-presets/ffmpeg/pom.xml'
  
      }
  
  }
  
  
  
  repositories {
  
      mavenCentral()
  
  }
  
  
  
  dependencies {
  
      compile fileTree(include: ['*.jar'], dir: 'libs')
  
      testCompile 'junit:junit:4.12'
  
      compile 'com.android.support:appcompat-v7:23.1.1'
  
      compile 'com.google.android.gms:play-services-appindexing:8.1.0'
  
  
  
      compile group: 'org.bytedeco', name: 'javacv', version: '1.1'
  
      compile group: 'org.bytedeco.javacpp-presets', name: 'opencv', version: '3.0.0-1.1', classifier: 'android-arm'
  
      compile group: 'org.bytedeco.javacpp-presets', name: 'opencv', version: '3.0.0-1.1', classifier: 'android-x86'
  
      compile group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '2.8.1-1.1', classifier: 'android-arm'
  
      compile group: 'org.bytedeco.javacpp-presets', name: 'ffmpeg', version: '2.8.1-1.1', classifier: 'android-x86'
  
  
  
      compile project(':openCVLibrary310')
  
  }

  proguard-rules.pro
  Edited by : link

  jniLibs :
  app/src/main/jniLibs :

  armeabi armeabi-v7a arm64-v8a mips mips64 x86 x86_64

  Problem

  02-19 11:57:37.684 1759-1759/ I/OpenCVCameraActivity: onClickBtnStartRecord()
  
  02-19 11:57:37.684 1759-1759/ I/OpenCVCameraActivity: startRecording()
  
  02-19 11:57:37.684 1759-1759/ W/OpenCVCameraActivity: init recorder
  
  02-19 11:57:37.691 1759-1759/ I/OpenCVCameraActivity: create yuvImage
  
  02-19 11:57:37.691 1759-1759/ I/OpenCVCameraActivity: ffmpeg_url: /storage/emulated/0/stream.mp4
  
  02-19 11:57:37.696 1759-1759/ I/OpenCVCameraActivity: ffmpeg_url: false
  
  02-19 11:57:37.837 1759-1759/ W/linker: libjniavutil.so: unused DT entry: type 0x1d arg 0x18cc3
  
  02-19 11:57:37.837 1759-1759/ W/linker: libjniavutil.so: unused DT entry: type 0x6ffffffe arg 0x21c30
  
  02-19 11:57:37.837 1759-1759/ W/linker: libjniavutil.so: unused DT entry: type 0x6fffffff arg 0x1
  
  02-19 11:57:37.838 1759-1759/co.example.example E/art: dlopen("/data/app/co.example.example-2/lib/x86/libjniavutil.so", RTLD_LAZY) failed: dlopen failed: cannot locate symbol "av_version_info" referenced by "libjniavutil.so"...
  
  02-19 11:57:37.843 1759-1759/co.example.example I/art: Rejecting re-init on previously-failed class java.lang.Class
  
  02-19 11:57:37.844 1759-1759/co.example.example E/AndroidRuntime: FATAL EXCEPTION: main
  
                                          Process: co.example.example, PID: 1759
  
                                          java.lang.IllegalStateException: Could not execute method of the activity
  
                                              at android.view.View$1.onClick(View.java:4020)
  
                                              at android.view.View.performClick(View.java:4780)
  
                                              at android.view.View$PerformClick.run(View.java:19866)
  
                                              at android.os.Handler.handleCallback(Handler.java:739)
  
                                              at android.os.Handler.dispatchMessage(Handler.java:95)
  
                                              at android.os.Looper.loop(Looper.java:135)
  
                                              at android.app.ActivityThread.main(ActivityThread.java:5254)
  
                                              at java.lang.reflect.Method.invoke(Native Method)
  
                                              at java.lang.reflect.Method.invoke(Method.java:372)
  
                                              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
  
                                              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
  
                                           Caused by: java.lang.reflect.InvocationTargetException
  
                                              at java.lang.reflect.Method.invoke(Native Method)
  
                                              at java.lang.reflect.Method.invoke(Method.java:372)
  
                                              at android.view.View$1.onClick(View.java:4015)
  
                                              at android.view.View.performClick(View.java:4780) 
  
                                              at android.view.View$PerformClick.run(View.java:19866) 
  
                                              at android.os.Handler.handleCallback(Handler.java:739) 
  
                                              at android.os.Handler.dispatchMessage(Handler.java:95) 
  
                                              at android.os.Looper.loop(Looper.java:135) 
  
                                              at android.app.ActivityThread.main(ActivityThread.java:5254) 
  
                                              at java.lang.reflect.Method.invoke(Native Method) 
  
                                              at java.lang.reflect.Method.invoke(Method.java:372) 
  
                                              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
  
                                              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
  
                                           Caused by: java.lang.UnsatisfiedLinkError: org.bytedeco.javacpp.avutil
  
                                              at java.lang.Class.classForName(Native Method)
  
                                              at java.lang.Class.forName(Class.java:309)
  
                                              at org.bytedeco.javacpp.Loader.load(Loader.java:413)
  
                                              at org.bytedeco.javacpp.Loader.load(Loader.java:381)
  
                                              at org.bytedeco.javacpp.avcodec$AVPacket.<clinit>(avcodec.java:1650)
  
                                              at org.bytedeco.javacv.FFmpegFrameRecorder.<init>(FFmpegFrameRecorder.java:149)
  
                                              at org.bytedeco.javacv.FFmpegFrameRecorder.<init>(FFmpegFrameRecorder.java:129)
  
                                              at co.example.example.OpenCVCameraActivity.initRecorder(OpenCVCameraActivity.java:320)
  
                                              at co.example.example.OpenCVCameraActivity.startRecording(OpenCVCameraActivity.java:266)
  
                                              at co.example.example.OpenCVCameraActivity.onClickBtnStartRecord2(OpenCVCameraActivity.java:259)
  
                                              at java.lang.reflect.Method.invoke(Native Method) 
  
                                              at java.lang.reflect.Method.invoke(Method.java:372) 
  
                                              at android.view.View$1.onClick(View.java:4015) 
  
                                              at android.view.View.performClick(View.java:4780) 
  
                                              at android.view.View$PerformClick.run(View.java:19866) 
  
                                              at android.os.Handler.handleCallback(Handler.java:739) 
  
                                              at android.os.Handler.dispatchMessage(Handler.java:95) 
  
                                              at android.os.Looper.loop(Looper.java:135) 
  
                                              at android.app.ActivityThread.main(ActivityThread.java:5254) 
  
                                              at java.lang.reflect.Method.invoke(Native Method) 
  
                                              at java.lang.reflect.Method.invoke(Method.java:372) 
  
                                              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
  
                                              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
  
  </init></init></clinit>

• Is there a case where I can not create a file if I run a lot of threads ? ( feat. Ffmpeg, thread)

  26 juin 2018, par Junburg

  I am now creating an app that will duet with the singer. We use a thread (mAudioPlayer) that outputs background music, a vAudioPlayer that prints the voice of the singer, a mRecordThread that records the voice of the user, and a thread that weaves and attaches each file (mp3ConcatThread).

  It works by stopping the singer’s voice while recording background music and recording by the user. Of course, when the user does not record, the singer’s voice is output. In this way, each section must be made into an mp3 file and merged into a single file. However, it often happens that files that do not record and merge properly are created.

  Audio processing is done using Ffmpeg. I guess the following error might be the reason.

  06-26 21:37:11.084 13017-13017/com.softcode.kihnoplay I/Choreographer: Skipped 72 frames!  The application may be doing too much work on its main thread.

  Could not generate a file because of this kind of error ?

  If you know the answer to this question, please answer. Thank you.

  Below are related codes. For more information, please leave a comment.
  Because the code is too long, I’ve included only the code that looks like it’s needed.

  Record Thread.class

  public class Record_Thread {
  
  private static final String LOG_TAG = Record_Thread.class.getSimpleName();
  
  private static final int SAMPLE_RATE = 44100;
  
  private int bufferSize = 0;
  
  private String currentOutFile = null;
  
  private Context context;
  
  
  
  byte RECORDER_BPP = 16;
  
  
  
  
  
  public Record_Thread(Record_interface listener) {
  
      mListener = listener;
  
      Player.currentCreateFileName = SmcInfo.APPDIRPATH + "/ucc/" + Player.getCurrentTime(false);
  
      currentOutFile = Player.currentCreateFileName + ".pcm";
  
  }
  
  
  
  public Record_Thread(Record_interface listener, Context context) {
  
      mListener = listener;
  
      RecordActivity.currentCreateFileName = SmcInfo.APPDIRPATH + "/ucc/" + RecordActivity.getCurrentTime(false);
  
      currentOutFile = RecordActivity.currentCreateFileName + ".pcm";
  
      this.context = context;
  
  }
  
  
  
  private boolean isSampleTranspo;
  
  private boolean isRecording;
  
  public boolean isSharding = false;
  
  private Record_interface mListener;
  
  private Thread mThread;
  
  
  
  public boolean recording() {
  
      return mThread != null;
  
  }
  
  
  
  public void setSampleTranspo(boolean booleanValue) {
  
      this.isSampleTranspo = booleanValue;
  
  }
  
  
  
  public boolean getSampleTranspo() {
  
      return this.isSampleTranspo;
  
  }
  
  
  
  long startpoint = 0;
  
  boolean posWrite = false;
  
  
  
  public void startRecording() {
  
      if (mThread != null)
  
          return;
  
  
  
      isRecording = true;
  
      mThread = new Thread(new Runnable() {
  
          @Override
  
          public void run() {
  
              record();
  
          }
  
      });
  
      mThread.start();
  
  }
  
  
  
  public void stopRecording() {
  
      if (mThread == null)
  
          return;
  
  
  
      isRecording = false;
  
      mThread = null;
  
      posWrite = false;
  
      startpoint = 0;
  
  }
  
  
  
  public void startFileWrite(long startpoint) {
  
      this.startpoint = startpoint;
  
      this.posWrite = true;
  
  }
  
  
  
  public void stopFileWrite() {
  
      this.posWrite = false;
  
  }
  
  
  
  private void record() {
  
      try {
  
          Log.v(LOG_TAG, "Start");
  
          android.os.Process.setThreadPriority(android.os.Process.THREAD_PRIORITY_AUDIO);
  
  
  
          bufferSize = AudioRecord.getMinBufferSize(SAMPLE_RATE, AudioFormat.CHANNEL_IN_STEREO, AudioFormat.ENCODING_PCM_16BIT);
  
  
  
          if (bufferSize == AudioRecord.ERROR || bufferSize == AudioRecord.ERROR_BAD_VALUE) {
  
              bufferSize = SAMPLE_RATE * 2;
  
          }
  
  
  
          short[] audioBuffer = new short[bufferSize];
  
          short[] audioZero = new short[bufferSize];
  
  
  
          AudioRecord record = new AudioRecord(MediaRecorder.AudioSource.MIC, SAMPLE_RATE, AudioFormat.CHANNEL_IN_STEREO, AudioFormat.ENCODING_PCM_16BIT, bufferSize);
  
  
  
  
  
          if (record.getState() != AudioRecord.STATE_INITIALIZED) {
  
              Log.e(LOG_TAG, "Audio Record can't initialize!");
  
              return;
  
          }
  
          record.startRecording();
  
  
  
          Log.v(LOG_TAG, "Start recording");
  
  
  
          long shortsRead = 0;
  
  
  
  
  
          int readsize = 0;
  
          File tempFile = new File(currentOutFile);
  
          if (tempFile.exists())
  
              tempFile.delete();
  
          FileOutputStream fos = new FileOutputStream(currentOutFile);
  
  
  
          byte[] audiodata = new byte[bufferSize];
  
  
  
          while (isRecording && record != null) {
  
              readsize = record.read(audiodata, 0, audiodata.length);
  
              if (AudioRecord.ERROR_INVALID_OPERATION != readsize && fos != null) {
  
                  try {
  
                      if (readsize > 0 && readsize <= audiodata.length) {
  
                          fos.write(audiodata, 0, readsize);//TypeCast.shortToByte(audioBuffer)
  
                          fos.flush();
  
                      }
  
                  } catch (Exception ex) {
  
                      Log.e("AudioRecorder", ex.getMessage());
  
                  }
  
              }
  
  
  
              ShortBuffer sb = ByteBuffer.wrap(audiodata).order(ByteOrder.LITTLE_ENDIAN).asShortBuffer();
  
              short[] samples = new short[sb.limit()];
  
              sb.get(samples);
  
  
  
              if (isSampleTranspo) {
  
                  mListener.onAudioDataReceived(samples);
  
              } else {
  
                  mListener.onAudioDataReceived(audioZero);
  
              }
  
  
  
              if (posWrite) {
  
  
  
                  FileOutputStream pos = null;
  
                  try {
  
                      if (startpoint > 0) {
  
                          if (context instanceof RecordActivity) {
  
                              pos = new FileOutputStream(RecordActivity.currentCreateFileName.replaceAll("/ucc/", "/tmp/") + "_" + caltime(String.valueOf((int) (startpoint / 1000)), false) + "_uv.pcm", true);/////파일에 이어서 쓰기
  
                              Log.d(TAG, "record: " + pos.toString());
  
                          } else {
  
                              pos = new FileOutputStream(Player.currentCreateFileName.replaceAll("/ucc/", "/tmp/") + "_" + caltime(String.valueOf((int) (startpoint / 1000)), false) + "_uv.pcm", true);/////파일에 이어서 쓰기
  
                          }
  
                      }
  
                      pos.write(audiodata);
  
                      pos.flush();
  
                  } catch (Exception e) {
  
                      e.printStackTrace();
  
                  } finally {
  
                      pos.close();
  
                      pos = null;
  
                  }
  
              }
  
  
  
          }
  
          if (fos != null)
  
              fos.close();
  
          mListener.onRecordEnd();
  
          record.stop();
  
          record.release();
  
      } catch (IOException e) {
  
          Log.e("AudioRecorder", e.getMessage());
  
      }
  
  }
  
  
  
  private String caltime(String sMillis, boolean timeFormat) {
  
      double dMillis = 0;
  
  
  
      int minutes = 0;
  
      int seconds = 0;
  
      int millis = 0;
  
  
  
      String sTime;
  
  
  
      try {
  
          dMillis = Double.parseDouble(sMillis);
  
      } catch (Exception e) {
  
          System.out.println(e.getMessage());
  
      }
  
  
  
  
  
      seconds = (int) (dMillis / 1000) % 60;
  
      millis = (int) (dMillis % 1000);
  
  
  
      if (seconds > 0) {
  
          minutes = (int) (dMillis / 1000 / 60) % 60;
  
          if (minutes > 0) {
  
              if (timeFormat)
  
                  sTime = String.format("%02d:%02d.%d", minutes, seconds, millis);
  
              else
  
                  sTime = String.format("%02d%02d%d", minutes, seconds, millis);
  
  
  
          } else {
  
              if (timeFormat)
  
                  sTime = String.format("%02d:%02d.%d", 0, seconds, millis);
  
              else
  
                  sTime = String.format("%02d%02d%d", 0, seconds, millis);
  
  
  
          }
  
      } else {
  
          if (timeFormat)
  
              sTime = String.format("%02d:%02d.%d", 0, 0, millis);
  
          else
  
              sTime = String.format("%02d%02d%d", 0, 0, millis);
  
      }
  
  
  
      return sTime;
  
  }
  
  
  
  }

  RecordActivity.class

  public class RecordActivity extends AppCompatActivity implements Player_interface, SeekBar.OnSeekBarChangeListener {
  
  
  
  private static final String TAG = "RecordActivity";
  
  
  
  public Context context = this;
  
  private LinearLayout recordLayout;
  
  private RelativeLayout recordBtn, saveBtn;
  
  private CircleImageView userImg, artistImg;
  
  private TextView songTitleTxt, playTimeTxt, progressTimeTxt;
  
  private BlurBitmap blurBitmap;
  
  private SeekBar seekBar;
  
  private ImageView micBg1, micBg2;
  
  
  
  private String assPath;
  
  private String ampPath;
  
  
  
  private int deviceWidth, deviceHeight;
  
  
  
  public static AssRenderView assView;
  
  public static LinearLayout lyricsLayout;
  
  public static int lyricsWidth, lyricsHeight, layoutWidth;
  
  public static LinearLayout.LayoutParams assViewParams;
  
  public static String currentCreateFileName = null;
  
  public static String mrPath;
  
  public static String voicePath;
  
  
  
  private String recMusicPath;
  
  
  
  Player_Thread mAudioPlayer = null, vAudioPlayer = null, testPlayer = null;
  
  private Record_Thread mRecordThread;
  
  public static Mp3Concat_Thread mMp3ConcatThread;
  
  long lastDuration = 0L;
  
  
  
  private boolean isSeekbarTouch = false;
  
  
  
  private ArrayList<long> combineList;
  
  
  
  CNetProgressdialog createMp3Dialog;
  
  
  
  int bufferSize = 7104;
  
  int SAMPLE_RATE = 44100;
  
  int RECORDER_SAMPLERATE = 44100;
  
  byte RECORDER_BPP = 16;
  
  
  
  
  
  @Override
  
  protected void onCreate(@Nullable Bundle savedInstanceState) {
  
      super.onCreate(savedInstanceState);
  
      removeDir(SmcInfo.APPDIRPATH + "/tmp");
  
      setContentView(R.layout.activity_record_phone);
  
  
  
      if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
  
          Window window = getWindow();
  
          window.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
  
          window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
  
      }
  
  
  
      recordLayout = (LinearLayout) findViewById(R.id.record_layout);
  
      userImg = (CircleImageView) findViewById(R.id.user_img);
  
      artistImg = (CircleImageView) findViewById(R.id.artist_img);
  
      songTitleTxt = (TextView) findViewById(R.id.song_title_txt);
  
      progressTimeTxt = (TextView) findViewById(R.id.progress_time_txt);
  
      playTimeTxt = (TextView) findViewById(R.id.play_time_txt);
  
      recordBtn = (RelativeLayout) findViewById(R.id.record_btn);
  
      saveBtn = (RelativeLayout) findViewById(R.id.save_btn);
  
      seekBar = (SeekBar) findViewById(R.id.seek_bar);
  
      micBg1 = (ImageView) findViewById(R.id.mic_bg_small);
  
      micBg2 = (ImageView) findViewById(R.id.mic_bg_big);
  
  
  
      createMp3Dialog = new CNetProgressdialog(this);
  
  
  
      GradientDrawable drawable = new GradientDrawable();
  
      drawable.setColors(new int[]{
  
              Color.parseColor("#32c49b"),
  
              Color.parseColor("#19b2c3")
  
      });
  
  
  
      Intent intent = getIntent();
  
      final String artistImgPath = intent.getStringExtra("artistImgPath");
  
      final String songTitle = intent.getStringExtra("songTitle");
  
      assPath = intent.getStringExtra("assPath");
  
      ampPath = intent.getStringExtra("ampPath");
  
      String playTime = intent.getStringExtra("playTime");
  
  
  
      blurBitmap = new BlurBitmap();
  
  
  
      songTitleTxt.setText(songTitle);
  
      playTimeTxt.setText(playTime);
  
  
  
      final Bitmap artistImgBitmap = blurBitmap.toBitmap(artistImgPath);
  
      final Bitmap userImgBitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.dummy_artist_2);
  
  
  
      final Bitmap userBlurImg = blurBitmap.blurRenderScript(this, userImgBitmap, 25);
  
      final Bitmap artistBlurImg = blurBitmap.blurRenderScript(this, artistImgBitmap, 25);
  
  
  
      artistImg.setImageBitmap(artistImgBitmap);
  
      userImg.setImageBitmap(userBlurImg);
  
  
  
      drawable.setGradientType(GradientDrawable.LINEAR_GRADIENT);
  
      drawable.setOrientation(GradientDrawable.Orientation.TOP_BOTTOM);
  
  
  
      recordLayout.setBackground(drawable);
  
  
  
      play(ampToMp3(ampPath));
  
  
  
      mRecordThread = new Record_Thread(new Record_interface() {
  
          @Override
  
          public void onAudioDataReceived(short[] data) {
  
  
  
          }
  
  
  
          @Override
  
          public void onRecordEnd() {
  
  
  
          }
  
      }, context);
  
  
  
      mMp3ConcatThread = new Mp3Concat_Thread(new Mp3Concat_interface() {
  
          @Override
  
          public void onAudioDataReceived(short[] data) {
  
  
  
          }
  
  
  
          @Override
  
          public void onRecordEnd() {
  
              createMp3Dialog.dismiss();
  
              startPrelisteningActivity(recMusicPath, songTitle);
  
          }
  
      }, this);
  
  
  
      if (!mRecordThread.recording()) {
  
          mRecordThread.startRecording();
  
      }
  
  
  
      final Animation animZoomIn = AnimationUtils.loadAnimation(this, R.anim.zoom_in);
  
      final Animation animZoomOut = AnimationUtils.loadAnimation(this, R.anim.zoom_out);
  
      final Animation animMic1 = AnimationUtils.loadAnimation(this, R.anim.bg_mic_anim_1_phone);
  
      final Animation animMic2 = AnimationUtils.loadAnimation(this, R.anim.bg_mic_anim_2_phone);
  
  
  
      artistImg.startAnimation(animZoomIn);
  
  
  
      combineList = new ArrayList<long>();
  
  
  
      recordBtn.setOnTouchListener(new View.OnTouchListener() {
  
          @Override
  
          public boolean onTouch(View view, MotionEvent motionEvent) {
  
              switch (motionEvent.getAction()) {
  
                  case MotionEvent.ACTION_DOWN: {
  
                      long currentDuration = vAudioPlayer.getCurrentDuration();
  
                      // 녹음 시작 ( combineList 사이즈가 짝수일 때 )
  
                      if (mRecordThread != null) {
  
                          if (combineList.size() % 2 == 0) {
  
  
  
                              mRecordThread.startFileWrite(currentDuration);
  
                              combineList.add(currentDuration);
  
                          }
  
                          vAudioPlayer.setSampleTranspo(true);
  
                          mRecordThread.setSampleTranspo(true);
  
                      }
  
                  }
  
  
  
                  micBg1.setVisibility(View.VISIBLE);
  
                  micBg2.setVisibility(View.VISIBLE);
  
  
  
                  micBg1.startAnimation(animMic1);
  
                  micBg2.startAnimation(animMic2);
  
  
  
                  userImg.setImageBitmap(userImgBitmap);
  
                  userImg.startAnimation(animZoomIn);
  
                  artistImg.setImageBitmap(artistBlurImg);
  
                  artistImg.startAnimation(animZoomOut);
  
  
  
  
  
                  break;
  
                  case MotionEvent.ACTION_UP: {
  
                      long currentDuration = vAudioPlayer.getCurrentDuration();
  
                      if (mRecordThread != null) {
  
  
  
                          if (combineList.size() % 2 == 1) {
  
                              mRecordThread.startRecording();
  
                              mRecordThread.stopFileWrite();
  
  
  
                              File waveFile = new File(RecordActivity.currentCreateFileName.replaceAll("/ucc/", "/tmp/")
  
                                      + "_" + caltime(combineList.get(combineList.size() - 1) / 1000, false) + "_uv.pcm");
  
  
  
                              if (waveFile.exists()) {
  
                                  copyWaveFile(RecordActivity.currentCreateFileName.replaceAll("/ucc/", "/tmp/") + "_" + caltime(combineList.get(combineList.size() - 1) / 1000, false) + "_uv.pcm",
  
                                          RecordActivity.currentCreateFileName.replaceAll("/ucc/", "/tmp/") + "_" + caltime(combineList.get(combineList.size() - 1) / 1000, false) + "_u0.wav");
  
                                  Log.d(TAG, "onTouch: " + currentCreateFileName);
  
                                  if (mMp3ConcatThread != null) {
  
                                      mMp3ConcatThread.startCombine(null, 3333333333333333333L, combineList.get(combineList.size() - 1), currentDuration);
  
                                  }
  
                              }
  
  
  
                              combineList.add(currentDuration);
  
                              Log.d(TAG, "onTouch: " + combineList.size());
  
                              if (combineList.size() == 2) {
  
                                  mMp3ConcatThread.startCombine(null, 0, combineList.get(combineList.size() - 2), currentDuration);
  
                              } else {
  
                                  mMp3ConcatThread.startCombine(null, combineList.get(combineList.size() - 3), combineList.get(combineList.size() - 2), currentDuration);
  
                              }
  
                          }
  
                          vAudioPlayer.setSampleTranspo(false);
  
                          mRecordThread.setSampleTranspo(false);
  
                      }
  
                  }
  
  
  
                  micBg1.setVisibility(View.GONE);
  
                  micBg2.setVisibility(View.GONE);
  
  
  
                  micBg1.clearAnimation();
  
                  micBg2.clearAnimation();
  
  
  
                  userImg.setImageBitmap(userBlurImg);
  
                  userImg.startAnimation(animZoomOut);
  
                  artistImg.setImageBitmap(artistImgBitmap);
  
                  artistImg.startAnimation(animZoomIn);
  
  
  
                  break;
  
              }
  
              return false;
  
          }
  
      });
  
  
  
      saveBtn.setOnClickListener(new View.OnClickListener() {
  
          @Override
  
          public void onClick(View view) {
  
  
  
              createMp3Dialog.show();
  
              vAudioPlayer.setSampleTranspo(true);
  
              vAudioPlayer.setlistenerStop(true);
  
  
  
              if (assView != null)
  
                  assView.Destroy();
  
  
  
              if (lyricsLayout != null) {
  
                  lyricsLayout.removeAllViews();
  
              }
  
  
  
              seekBar.setProgress(0);
  
              seekBar.setMax(100);
  
              Log.d(TAG, "donep3: " + "done");
  
  
  
              if (mMp3ConcatThread != null) {
  
                  try {
  
                      mMp3ConcatThread.startCombine(combineList, 7777777777777777777L, combineList.get(combineList.size() - 1), lastDuration);
  
                  } catch (ArrayIndexOutOfBoundsException e) {
  
                      e.getMessage();
  
                      finish();
  
                  }
  
              }
  
  
  
              releaseAudioPlayer();
  
  
  
              recMusicPath = SmcInfo.APPDIRPATH + "/ucc/" + currentCreateFileName.substring(currentCreateFileName.lastIndexOf('/') + 1, currentCreateFileName.length()) + ".mp3";
  
          }
  
      });
  
  
  
  
  
      DisplayMetrics displayMetrics = new DisplayMetrics();
  
      getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
  
  
  
      deviceWidth = displayMetrics.widthPixels;
  
      deviceHeight = displayMetrics.heightPixels;
  
  
  
      lyricsWidth = deviceWidth;
  
      lyricsHeight = deviceHeight;
  
  
  
      Log.d(TAG, "onCreate: " + lyricsWidth + "/" + lyricsHeight);
  
  
  
      layoutWidth = lyricsWidth * 2 / 3;
  
      int parentAssViewHeight = ((lyricsHeight * 50) / 91) - 2;
  
      if (layoutWidth > parentAssViewHeight)
  
          layoutWidth = (parentAssViewHeight * 8) / 10;
  
  
  
      assViewParams = new LinearLayout.LayoutParams(new ViewGroup.LayoutParams(layoutWidth * 2, layoutWidth));
  
      assViewParams.gravity = Gravity.CENTER;
  
  
  
      lyricsLayout = (LinearLayout)
  
  
  
              findViewById(R.id.lyrics_layout);
  
  
  
      if (assView != null) {
  
          assView.Destroy();
  
      }
  
      if (lyricsLayout != null) {
  
          lyricsLayout.removeAllViews();
  
      }
  
  
  
      assView = new AssRenderView(getApplicationContext(), layoutWidth * 13 / 10, layoutWidth);
  
  
  
      File assFile = new File(assPath);
  
      if (assFile.exists()) {
  
          assView.ReadASSFile(assFile.toString(), true, layoutWidth * 2, layoutWidth * 5 / 7);
  
      }
  
  
  
      lyricsLayout.addView(assView, assViewParams);
  
      lyricsLayout.setGravity(Gravity.CENTER);
  
      assView.ShowASS(true);
  
  
  
      seekBar.setOnSeekBarChangeListener(this);
  
      seekBar.setProgress(0);
  
      seekBar.setMax(100);
  
  
  
  }
  
  
  
  private void startPrelisteningActivity(String recMusicPath, String songTitle) {
  
  
  
      Intent intent = new Intent(RecordActivity.this, PrelisteningActivity.class);
  
      intent.putExtra("recMusicPath", recMusicPath);
  
      intent.putExtra("songTitle", songTitle);
  
      startActivityForResult(intent, 1);
  
  }
  
  
  
  private String[] ampToMp3(String ampPath) {
  
  
  
      String[] pathArray = new String[2];
  
  
  
      try {
  
  
  
          File ampFile = new File(ampPath);
  
          String ampName = ampFile.getName();
  
          int size;
  
          BufferedInputStream buf = null;
  
          FileInputStream fis = null;
  
          size = (int) ampFile.length();
  
          byte[] bytes = new byte[size];
  
          fis = new FileInputStream(ampFile);
  
  
  
          buf = new BufferedInputStream(fis, 8 * 1024);
  
          buf.read(bytes, 0, bytes.length);
  
  
  
          byte[] vocalbytes = AMPFileUtility.getByteData(bytes, "voice");
  
          byte[] mrbytes = AMPFileUtility.getByteData(bytes, "mr");
  
  
  
          voicePath = SmcInfo.APPDIRPATH + "/audio/" + ampName.replaceAll(".amp", "") + "_voice.mp3";
  
          mrPath = SmcInfo.APPDIRPATH + "/audio/" + ampName.replaceAll(".amp", "") + "_mr.mp3";
  
  
  
          BufferedOutputStream bosVocal = new BufferedOutputStream(new FileOutputStream(voicePath));
  
          bosVocal.write(vocalbytes);
  
          bosVocal.flush();
  
          bosVocal.close();
  
  
  
          BufferedOutputStream bosMr = new BufferedOutputStream(new FileOutputStream(mrPath));
  
          bosMr.write(mrbytes);
  
          bosMr.flush();
  
          bosMr.close();
  
  
  
      } catch (Exception e) {
  
  
  
          e.getMessage();
  
      }
  
  
  
      pathArray[0] = voicePath;
  
      pathArray[1] = mrPath;
  
  
  
      return pathArray;
  
  }
  
  
  
  private void play(String[] pathArray) {
  
  
  
      releaseAudioPlayer();
  
  
  
      String voicePath = pathArray[0];
  
      String mrPath = pathArray[1];
  
  
  
      mAudioPlayer = new Player_Thread();
  
      mAudioPlayer.setOnAudioStreamInterface(this);
  
      mAudioPlayer.setUrlString(mrPath);
  
      mAudioPlayer.setlistenerStop(true);
  
  
  
      vAudioPlayer = new Player_Thread();
  
      vAudioPlayer.setOnAudioStreamInterface(this);
  
      vAudioPlayer.setUrlString(voicePath);
  
      vAudioPlayer.setlistenerStop(false);
  
  
  
      try {
  
          mAudioPlayer.play();
  
          vAudioPlayer.play();
  
      } catch (IOException e) {
  
          e.printStackTrace();
  
      }
  
  }
  
  
  
  private void releaseAudioPlayer() {
  
  
  
      if (mAudioPlayer != null) {
  
          mAudioPlayer.stop();
  
          mAudioPlayer.release();
  
          mAudioPlayer = null;
  
      }
  
  
  
      if (vAudioPlayer != null) {
  
          vAudioPlayer.stop();
  
          vAudioPlayer.release();
  
          vAudioPlayer = null;
  
      }
  
  
  
      if (mRecordThread != null) {
  
          mRecordThread.stopRecording();
  
      }
  
  
  
  }
  
  
  
  public static String getCurrentTime(boolean dateForm) {
  
      SimpleDateFormat dateFormat;
  
      if (dateForm)
  
          dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); //SSS가 밀리세컨드 표시
  
      else
  
          dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmssSSS");
  
      Calendar calendar = Calendar.getInstance();
  
      return dateFormat.format(calendar.getTime());
  
  }
  
  
  
  
  
  private String caltime(long sMillis, boolean timeFormat) {
  
  
  
      double dMillis = 0;
  
  
  
      int minutes = 0;
  
      int seconds = 0;
  
      int millis = 0;
  
  
  
      String sTime;
  
  
  
      try {
  
          dMillis = Double.parseDouble(String.valueOf(sMillis));
  
      } catch (Exception e) {
  
          System.out.println(e.getMessage());
  
      }
  
  
  
  
  
      seconds = (int) (dMillis / 1000) % 60;
  
      millis = (int) (dMillis % 1000);
  
  
  
      if (seconds > 0) {
  
          minutes = (int) (dMillis / 1000 / 60) % 60;
  
          if (minutes > 0) {
  
              if (timeFormat)
  
                  sTime = String.format("%02d:%02d.%d", minutes, seconds, millis);
  
              else
  
                  sTime = String.format("%02d%02d%d", minutes, seconds, millis);
  
          } else {
  
              if (timeFormat)
  
                  sTime = String.format("%02d:%02d.%d", 0, seconds, millis);
  
              else
  
                  sTime = String.format("%02d%02d%d", 0, seconds, millis);
  
          }
  
      } else {
  
          if (timeFormat)
  
              sTime = String.format("%02d:%02d.%d", 0, 0, millis);
  
          else
  
              sTime = String.format("%02d%02d%d", 0, 0, millis);
  
      }
  
      Log.d(TAG, "caltime:  " + sTime);
  
      return sTime;
  
  }
  
  
  
  public void copyWaveFile(String inFilename, String outFilename) {
  
      FileInputStream in = null;
  
      FileOutputStream out = null;
  
      long totalAudioLen = 0;
  
      long totalDataLen = totalAudioLen + 36;
  
      long longSampleRate = SAMPLE_RATE;
  
      int channels = 2;/////////////////byte 저장은 1에서 완벽함 AudioFormat.CHANNEL_IN_MONO: channels = 1;AudioFormat.CHANNEL_IN_STEREO: channels = 2;
  
      long byteRate = RECORDER_BPP * SAMPLE_RATE * channels / 8;
  
  
  
  
  
      try {
  
          in = new FileInputStream(inFilename);
  
          out = new FileOutputStream(outFilename);
  
  
  
          byte[] data = new byte[bufferSize];
  
  
  
          totalAudioLen = in.getChannel().size();
  
          totalDataLen = totalAudioLen + 36;
  
  
  
          AppLog.logString("File size: " + totalDataLen);
  
  
  
          WriteWaveFileHeader(out, totalAudioLen, totalDataLen, longSampleRate, channels, byteRate);
  
  
  
          while (in.read(data) != -1) {
  
              out.write(data);
  
          }
  
  
  
          in.close();
  
          out.close();
  
      } catch (FileNotFoundException e) {
  
          e.printStackTrace();
  
      } catch (IOException e) {
  
          e.printStackTrace();
  
      }
  
  }
  
  
  
  public void WriteWaveFileHeader(FileOutputStream out, long totalAudioLen, long totalDataLen, long longSampleRate, int channels, long byteRate) throws IOException {
  
  
  
      byte[] header = new byte[44];
  
  
  
      header[0] = 'R';
  
      header[1] = 'I';
  
      header[2] = 'F';
  
      header[3] = 'F';
  
      header[4] = (byte) (totalDataLen &amp; 0xff);
  
      header[5] = (byte) ((totalDataLen >> 8) &amp; 0xff);
  
      header[6] = (byte) ((totalDataLen >> 16) &amp; 0xff);
  
      header[7] = (byte) ((totalDataLen >> 24) &amp; 0xff);
  
      header[8] = 'W';
  
      header[9] = 'A';
  
      header[10] = 'V';
  
      header[11] = 'E';
  
      header[12] = 'f';
  
      header[13] = 'm';
  
      header[14] = 't';
  
      header[15] = ' ';
  
      header[16] = 16;
  
      header[17] = 0;
  
      header[18] = 0;
  
      header[19] = 0;
  
      header[20] = 1;
  
      header[21] = 0;
  
      header[22] = (byte) channels;
  
      header[23] = 0;
  
      header[24] = (byte) (longSampleRate &amp; 0xff);
  
      header[25] = (byte) ((longSampleRate >> 8) &amp; 0xff);
  
      header[26] = (byte) ((longSampleRate >> 16) &amp; 0xff);
  
      header[27] = (byte) ((longSampleRate >> 24) &amp; 0xff);
  
      header[28] = (byte) (byteRate &amp; 0xff);
  
      header[29] = (byte) ((byteRate >> 8) &amp; 0xff);
  
      header[30] = (byte) ((byteRate >> 16) &amp; 0xff);
  
      header[31] = (byte) ((byteRate >> 24) &amp; 0xff);
  
      header[32] = (byte) (2 * 16 / 8);
  
      header[33] = 0;
  
      header[34] = RECORDER_BPP;
  
      header[35] = 0;
  
      header[36] = 'd';
  
      header[37] = 'a';
  
      header[38] = 't';
  
      header[39] = 'a';
  
      header[40] = (byte) (totalAudioLen &amp; 0xff);
  
      header[41] = (byte) ((totalAudioLen >> 8) &amp; 0xff);
  
      header[42] = (byte) ((totalAudioLen >> 16) &amp; 0xff);
  
      header[43] = (byte) ((totalAudioLen >> 24) &amp; 0xff);
  
  
  
      out.write(header, 0, 44);
  
  }
  
  </long></long>

• Evolution #4148 : Augmenter la largeur de l’espace privé

  21 juin 2018, par b b

  Super, merci pour les modifs :)