siebenhaarmi76624/MDT5_1_Ueberwachungssystem_G1
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Code Issues Pull Requests Releases Wiki Activity

Added a second Recorder based on CameraX. Not working yet

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This commit is contained in:
Bastian Kohler 2023-06-02 10:17:50 +02:00
parent 675d4423e4
commit d37766ffaf
3 changed files with 166 additions and 17 deletions
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24
app/src/main/java/com/example/ueberwachungssystem/MainActivity.java
View File

@ -10,7 +10,6 @@ import androidx.camera.core.ExperimentalGetImage;
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.os.Environment;
import android.view.SurfaceView;
import android.view.View;
import android.widget.TextView;
@ -19,8 +18,7 @@ import android.widget.ToggleButton;
import android.widget.VideoView;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Array;
import java.net.URISyntaxException;
import java.util.Arrays;
@ExperimentalGetImage
@ -37,13 +35,14 @@ public class MainActivity extends AppCompatActivity {
TextView textView = findViewById(R.id.textView);
SurfaceView surfaceView = findViewById(R.id.surfaceView);
VideoView videoView = findViewById(R.id.videoView);
PreviewView previewView = findViewById(R.id.previewView);
File directory = getFilesDir();
Recorder recorder = new Recorder(this);
recorder.setSurfaceView(surfaceView);
RecorderX recorderX = new RecorderX(this);
//recorderX.setPreviewView(previewView);
ToggleButton toggleButton = findViewById(R.id.previewButton);
toggleButton.setOnClickListener(new View.OnClickListener() {
@ -53,23 +52,16 @@ public class MainActivity extends AppCompatActivity {
if (isRecordVideoAllowed() && toggleButton.isChecked())
{
//textView.setText(file.getAbsolutePath());
recorder.startRecording();
File file = new File(directory, "file.txt");
try {
file.createNewFile();
} catch (IOException e) {
recorderX.startRecording();
} catch (URISyntaxException e) {
throw new RuntimeException(e);
}
}
else {
recorderX.stopRecording();
File[] files = directory.listFiles();
//textView.setText(Arrays.toString(files));
recorder.stopRecording();
recorder.playVideo(videoView);
textView.setText(Arrays.toString(files));
}
}
});

152
app/src/main/java/com/example/ueberwachungssystem/RecorderX.java Normal file
View File

@ -0,0 +1,152 @@
package com.example.ueberwachungssystem;
import android.annotation.SuppressLint;
import android.content.ContentValues;
import android.content.Context;
import android.media.MediaPlayer;
import android.net.Uri;
import android.provider.MediaStore;
import android.util.Log;
import android.widget.Toast;
import android.widget.VideoView;
import androidx.camera.core.Camera;
import androidx.camera.core.CameraSelector;
import androidx.camera.core.Preview;
import androidx.camera.lifecycle.ProcessCameraProvider;
import androidx.camera.video.FallbackStrategy;
import androidx.camera.video.MediaStoreOutputOptions;
import androidx.camera.video.Quality;
import androidx.camera.video.QualitySelector;
import androidx.camera.video.Recorder;
import androidx.camera.video.Recording;
import androidx.camera.video.VideoCapture;
import androidx.camera.video.VideoRecordEvent;
import androidx.camera.view.PreviewView;
import androidx.core.content.ContextCompat;
import androidx.core.util.Consumer;
import androidx.lifecycle.LifecycleOwner;
import com.google.common.util.concurrent.ListenableFuture;
import java.net.URISyntaxException;
import java.util.concurrent.ExecutionException;
public class RecorderX {
private final Context context;
private PreviewView previewView = null;
private ProcessCameraProvider cameraProvider;
private Recording recording = null;
public RecorderX(Context context) {
this.context = context;
}
@SuppressLint("MissingPermission")
public void startRecording() throws URISyntaxException {
final ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(context);
try {
cameraProvider = cameraProviderFuture.get();
} catch (ExecutionException | InterruptedException ignored) {
}
QualitySelector qualitySelector = QualitySelector
.from(Quality.HD, FallbackStrategy.higherQualityOrLowerThan(Quality.SD));
Recorder.Builder recorderBuilder = new Recorder.Builder();
recorderBuilder.setQualitySelector(qualitySelector);
Recorder recorder = recorderBuilder.build();
VideoCapture<Recorder> videoCapture = VideoCapture.withOutput(recorder);
// Create Preview
Preview preview = new Preview.Builder().build();
// Specify which Camera to use
CameraSelector cameraSelector = new CameraSelector.Builder().requireLensFacing(CameraSelector.LENS_FACING_BACK).build();
// Update PreviewView if set
if (previewView != null)
preview.setSurfaceProvider(previewView.getSurfaceProvider());
try {
Camera camera = cameraProvider.bindToLifecycle((LifecycleOwner) context, cameraSelector, videoCapture, preview);
} catch (Exception e) {
Log.e("Error", "Use case binding failed", e);
}
String name = "recording.mp4";
Uri filesDirURI = Uri.fromFile(context.getFilesDir());
ContentValues contentValues = new ContentValues();
contentValues.put(MediaStore.Video.Media.DISPLAY_NAME, name);
MediaStoreOutputOptions mediaStoreOutput = new MediaStoreOutputOptions
.Builder(context.getContentResolver(), filesDirURI)
.setContentValues(contentValues)
.build();
Consumer<VideoRecordEvent> recordingListener = new Consumer<VideoRecordEvent>() {
@Override
public void accept(VideoRecordEvent videoRecordEvent) {
if (videoRecordEvent instanceof VideoRecordEvent.Start) {
Toast.makeText(context, "Carture started", Toast.LENGTH_SHORT).show();
}
else if (videoRecordEvent instanceof VideoRecordEvent.Finalize) {
VideoRecordEvent.Finalize finalize = (VideoRecordEvent.Finalize) videoRecordEvent;
if (!finalize.hasError()) {
Toast.makeText(context, "Carture succeeded", Toast.LENGTH_SHORT).show();
}
else {
recording.close();
recording = null;
Toast.makeText(context, "Carture failed", Toast.LENGTH_SHORT).show();
}
}
}
};
recording = videoCapture.getOutput()
.prepareRecording(context, mediaStoreOutput)
.withAudioEnabled()
.start(ContextCompat.getMainExecutor(context), recordingListener);
}
public void stopRecording() {
recording.stop();
}
/** Set PreviewView to show Image */
public void setPreviewView(PreviewView previewView) {
this.previewView = previewView;
}
private void playAudio() {
MediaPlayer mp = new MediaPlayer();
try {
mp.setDataSource(context.getFilesDir() + "/audio.gpp");
mp.prepare();
mp.start();
} catch (Exception e) {
e.printStackTrace();
}
}
public void playVideo(VideoView videoView) {
videoView.setVideoPath(context.getFilesDir() + "/video.mp4");
videoView.start();
}
}

7
app/src/main/res/layout/activity_main.xml
View File

@ -30,7 +30,12 @@
<SurfaceView
android:id="@+id/surfaceView"
android:layout_width="match_parent"
android:layout_height="400dp" />
android:layout_height="200dp" />
<androidx.camera.view.PreviewView
android:id="@+id/previewView"
android:layout_width="match_parent"
android:layout_height="200dp" />
<VideoView
android:id="@+id/videoView"