增加视频的实现
BlueMatthew
1 year ago
parent
57608fbd65
commit
d2261ddb45
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/*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.xypower.mpapp.video;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.TextureView;
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/**
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* A {@link TextureView} that can be adjusted to a specified aspect ratio.
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*/
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public class AutoFitTextureView extends TextureView {
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private int mRatioWidth = 0;
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private int mRatioHeight = 0;
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public AutoFitTextureView(Context context) {
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this(context, null);
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}
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public AutoFitTextureView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public AutoFitTextureView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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/**
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* Sets the aspect ratio for this view. The size of the view will be measured based on the ratio
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* calculated from the parameters. Note that the actual sizes of parameters don't matter, that
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* is, calling setAspectRatio(2, 3) and setAspectRatio(4, 6) make the same result.
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*
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* @param width Relative horizontal size
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* @param height Relative vertical size
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*/
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public void setAspectRatio(int width, int height) {
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if (width < 0 || height < 0) {
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throw new IllegalArgumentException("Size cannot be negative.");
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}
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mRatioWidth = width;
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mRatioHeight = height;
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requestLayout();
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}
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@Override
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protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec);
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int width = MeasureSpec.getSize(widthMeasureSpec);
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int height = MeasureSpec.getSize(heightMeasureSpec);
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if (0 == mRatioWidth || 0 == mRatioHeight) {
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setMeasuredDimension(width, height);
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} else {
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if (width < height * mRatioWidth / mRatioHeight) {
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setMeasuredDimension(width, width * mRatioHeight / mRatioWidth);
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} else {
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setMeasuredDimension(height * mRatioWidth / mRatioHeight, height);
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}
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}
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}
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}
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package com.xypower.mpapp.video;
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import androidx.appcompat.app.AppCompatActivity;
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import android.os.Bundle;
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import com.xypower.mpapp.R;
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public class VideoActivity extends AppCompatActivity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_video);
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if (null == savedInstanceState) {
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getSupportFragmentManager().beginTransaction()
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.replace(R.id.container, VideoFragment.newInstance())
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.commit();
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}
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}
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}
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package com.xypower.mpapp.video;
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import android.Manifest;
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import android.app.Activity;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.pm.PackageManager;
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import android.content.res.Configuration;
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import android.graphics.Matrix;
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import android.graphics.RectF;
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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.hardware.camera2.params.StreamConfigurationMap;
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import android.media.MediaRecorder;
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import android.os.Bundle;
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import androidx.annotation.NonNull;
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import androidx.appcompat.app.AlertDialog;
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import androidx.core.app.ActivityCompat;
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import androidx.fragment.app.DialogFragment;
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import androidx.fragment.app.Fragment;
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import androidx.legacy.app.FragmentCompat;
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import androidx.legacy.app.FragmentCompat;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.util.Log;
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import android.util.Size;
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import android.util.SparseIntArray;
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import android.view.LayoutInflater;
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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.view.ViewGroup;
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import android.widget.Button;
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import android.widget.Toast;
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import com.xypower.mpapp.R;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.concurrent.Semaphore;
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import java.util.concurrent.TimeUnit;
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/**
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* A simple {@link Fragment} subclass.
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* Use the {@link VideoFragment#newInstance} factory method to
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* create an instance of this fragment.
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*/
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public class VideoFragment extends Fragment implements View.OnClickListener, FragmentCompat.OnRequestPermissionsResultCallback {
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private static final int SENSOR_ORIENTATION_DEFAULT_DEGREES = 90;
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private static final int SENSOR_ORIENTATION_INVERSE_DEGREES = 270;
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private static final SparseIntArray DEFAULT_ORIENTATIONS = new SparseIntArray();
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private static final SparseIntArray INVERSE_ORIENTATIONS = new SparseIntArray();
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private static final String TAG = "Camera2VideoFragment";
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private static final int REQUEST_VIDEO_PERMISSIONS = 1;
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private static final String FRAGMENT_DIALOG = "dialog";
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private static final String[] VIDEO_PERMISSIONS = {
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Manifest.permission.CAMERA,
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Manifest.permission.RECORD_AUDIO,
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};
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static {
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DEFAULT_ORIENTATIONS.append(Surface.ROTATION_0, 90);
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DEFAULT_ORIENTATIONS.append(Surface.ROTATION_90, 0);
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DEFAULT_ORIENTATIONS.append(Surface.ROTATION_180, 270);
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DEFAULT_ORIENTATIONS.append(Surface.ROTATION_270, 180);
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}
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static {
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INVERSE_ORIENTATIONS.append(Surface.ROTATION_0, 270);
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INVERSE_ORIENTATIONS.append(Surface.ROTATION_90, 180);
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INVERSE_ORIENTATIONS.append(Surface.ROTATION_180, 90);
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INVERSE_ORIENTATIONS.append(Surface.ROTATION_270, 0);
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}
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/**
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* An {@link AutoFitTextureView} for camera preview.
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*/
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private AutoFitTextureView mTextureView;
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/**
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* Button to record video
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*/
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private Button mButtonVideo;
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/**
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* A reference to the opened {@link android.hardware.camera2.CameraDevice}.
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*/
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private CameraDevice mCameraDevice;
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/**
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* A reference to the current {@link android.hardware.camera2.CameraCaptureSession} for
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* preview.
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*/
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private CameraCaptureSession mPreviewSession;
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/**
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* {@link TextureView.SurfaceTextureListener} handles several lifecycle events on a
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* {@link TextureView}.
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*/
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private TextureView.SurfaceTextureListener mSurfaceTextureListener
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= new TextureView.SurfaceTextureListener() {
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@Override
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public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture,
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int width, int height) {
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openCamera(width, height);
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}
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@Override
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public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture,
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int width, int height) {
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configureTransform(width, height);
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}
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@Override
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public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
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return true;
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}
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@Override
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public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
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}
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};
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/**
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* The {@link android.util.Size} of camera preview.
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*/
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private Size mPreviewSize;
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/**
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* The {@link android.util.Size} of video recording.
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*/
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private Size mVideoSize;
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/**
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* MediaRecorder
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*/
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private MediaRecorder mMediaRecorder;
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/**
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* Whether the app is recording video now
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*/
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private boolean mIsRecordingVideo;
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/**
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* An additional thread for running tasks that shouldn't block the UI.
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*/
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private HandlerThread mBackgroundThread;
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/**
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* A {@link Handler} for running tasks in the background.
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*/
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private Handler mBackgroundHandler;
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/**
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* A {@link Semaphore} to prevent the app from exiting before closing the camera.
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*/
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private Semaphore mCameraOpenCloseLock = new Semaphore(1);
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/**
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* {@link CameraDevice.StateCallback} is called when {@link CameraDevice} changes its status.
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*/
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private CameraDevice.StateCallback mStateCallback = new CameraDevice.StateCallback() {
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@Override
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public void onOpened(@NonNull CameraDevice cameraDevice) {
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mCameraDevice = cameraDevice;
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startPreview();
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mCameraOpenCloseLock.release();
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if (null != mTextureView) {
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configureTransform(mTextureView.getWidth(), mTextureView.getHeight());
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}
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}
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@Override
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public void onDisconnected(@NonNull CameraDevice cameraDevice) {
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mCameraOpenCloseLock.release();
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cameraDevice.close();
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mCameraDevice = null;
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}
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@Override
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public void onError(@NonNull CameraDevice cameraDevice, int error) {
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mCameraOpenCloseLock.release();
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cameraDevice.close();
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mCameraDevice = null;
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Activity activity = getActivity();
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if (null != activity) {
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activity.finish();
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}
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}
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};
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private Integer mSensorOrientation;
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private String mNextVideoAbsolutePath;
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private CaptureRequest.Builder mPreviewBuilder;
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public static Fragment newInstance() {
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return new VideoFragment();
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}
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/**
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* In this sample, we choose a video size with 3x4 aspect ratio. Also, we don't use sizes
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* larger than 1080p, since MediaRecorder cannot handle such a high-resolution video.
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*
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* @param choices The list of available sizes
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* @return The video size
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*/
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private static Size chooseVideoSize(Size[] choices) {
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for (Size size : choices) {
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if (size.getWidth() == size.getHeight() * 4 / 3 && size.getWidth() <= 1080) {
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return size;
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}
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}
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Log.e(TAG, "Couldn't find any suitable video size");
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return choices[choices.length - 1];
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}
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/**
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* Given {@code choices} of {@code Size}s supported by a camera, chooses the smallest one whose
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* width and height are at least as large as the respective requested values, and whose aspect
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* ratio matches with the specified value.
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*
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* @param choices The list of sizes that the camera supports for the intended output class
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* @param width The minimum desired width
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* @param height The minimum desired height
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* @param aspectRatio The aspect ratio
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* @return The optimal {@code Size}, or an arbitrary one if none were big enough
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*/
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private static Size chooseOptimalSize(Size[] choices, int width, int height, Size aspectRatio) {
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// Collect the supported resolutions that are at least as big as the preview Surface
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List<Size> bigEnough = new ArrayList<>();
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int w = aspectRatio.getWidth();
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int h = aspectRatio.getHeight();
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for (Size option : choices) {
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if (option.getHeight() == option.getWidth() * h / w &&
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option.getWidth() >= width && option.getHeight() >= height) {
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bigEnough.add(option);
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}
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}
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// Pick the smallest of those, assuming we found any
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if (bigEnough.size() > 0) {
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return Collections.min(bigEnough, new CompareSizesByArea());
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} else {
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Log.e(TAG, "Couldn't find any suitable preview size");
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return choices[0];
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}
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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return inflater.inflate(R.layout.fragment_video, container, false);
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}
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@Override
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public void onViewCreated(final View view, Bundle savedInstanceState) {
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mTextureView = (AutoFitTextureView) view.findViewById(R.id.texture);
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mButtonVideo = (Button) view.findViewById(R.id.video);
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mButtonVideo.setOnClickListener(this);
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view.findViewById(R.id.info).setOnClickListener(this);
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}
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@Override
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public void onResume() {
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super.onResume();
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startBackgroundThread();
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if (mTextureView.isAvailable()) {
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openCamera(mTextureView.getWidth(), mTextureView.getHeight());
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} else {
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mTextureView.setSurfaceTextureListener(mSurfaceTextureListener);
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}
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}
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@Override
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public void onPause() {
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closeCamera();
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stopBackgroundThread();
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super.onPause();
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}
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@Override
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public void onClick(View view) {
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switch (view.getId()) {
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case R.id.video: {
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if (mIsRecordingVideo) {
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stopRecordingVideo();
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} else {
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startRecordingVideo();
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}
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break;
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}
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case R.id.info: {
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Activity activity = getActivity();
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if (null != activity) {
|
||||||
|
new AlertDialog.Builder(activity)
|
||||||
|
.setMessage(R.string.intro_message)
|
||||||
|
.setPositiveButton(android.R.string.ok, null)
|
||||||
|
.show();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Starts a background thread and its {@link Handler}.
|
||||||
|
*/
|
||||||
|
private void startBackgroundThread() {
|
||||||
|
mBackgroundThread = new HandlerThread("CameraBackground");
|
||||||
|
mBackgroundThread.start();
|
||||||
|
mBackgroundHandler = new Handler(mBackgroundThread.getLooper());
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Stops the background thread and its {@link Handler}.
|
||||||
|
*/
|
||||||
|
private void stopBackgroundThread() {
|
||||||
|
mBackgroundThread.quitSafely();
|
||||||
|
try {
|
||||||
|
mBackgroundThread.join();
|
||||||
|
mBackgroundThread = null;
|
||||||
|
mBackgroundHandler = null;
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
|
||||||
|
@NonNull int[] grantResults) {
|
||||||
|
Log.d(TAG, "onRequestPermissionsResult");
|
||||||
|
if (requestCode == REQUEST_VIDEO_PERMISSIONS) {
|
||||||
|
if (grantResults.length == VIDEO_PERMISSIONS.length) {
|
||||||
|
for (int result : grantResults) {
|
||||||
|
if (result != PackageManager.PERMISSION_GRANTED) {
|
||||||
|
ErrorDialog.newInstance(getString(R.string.permission_request))
|
||||||
|
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
ErrorDialog.newInstance(getString(R.string.permission_request))
|
||||||
|
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private boolean hasPermissionsGranted(String[] permissions) {
|
||||||
|
for (String permission : permissions) {
|
||||||
|
if (ActivityCompat.checkSelfPermission(getActivity(), permission)
|
||||||
|
!= PackageManager.PERMISSION_GRANTED) {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
|
||||||
|
*/
|
||||||
|
@SuppressWarnings("MissingPermission")
|
||||||
|
private void openCamera(int width, int height) {
|
||||||
|
|
||||||
|
final Activity activity = getActivity();
|
||||||
|
if (null == activity || activity.isFinishing()) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
|
||||||
|
try {
|
||||||
|
Log.d(TAG, "tryAcquire");
|
||||||
|
if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
|
||||||
|
throw new RuntimeException("Time out waiting to lock camera opening.");
|
||||||
|
}
|
||||||
|
String cameraId = manager.getCameraIdList()[0];
|
||||||
|
|
||||||
|
// Choose the sizes for camera preview and video recording
|
||||||
|
CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
|
||||||
|
StreamConfigurationMap map = characteristics
|
||||||
|
.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
|
||||||
|
mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
|
||||||
|
if (map == null) {
|
||||||
|
throw new RuntimeException("Cannot get available preview/video sizes");
|
||||||
|
}
|
||||||
|
mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
|
||||||
|
mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class),
|
||||||
|
width, height, mVideoSize);
|
||||||
|
|
||||||
|
int orientation = getResources().getConfiguration().orientation;
|
||||||
|
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
|
||||||
|
mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
|
||||||
|
} else {
|
||||||
|
mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
|
||||||
|
}
|
||||||
|
configureTransform(width, height);
|
||||||
|
mMediaRecorder = new MediaRecorder();
|
||||||
|
manager.openCamera(cameraId, mStateCallback, null);
|
||||||
|
} catch (CameraAccessException e) {
|
||||||
|
Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
|
||||||
|
activity.finish();
|
||||||
|
} catch (NullPointerException e) {
|
||||||
|
// Currently an NPE is thrown when the Camera2API is used but not supported on the
|
||||||
|
// device this code runs.
|
||||||
|
ErrorDialog.newInstance(getString(R.string.camera_error))
|
||||||
|
.show(getChildFragmentManager(), FRAGMENT_DIALOG);
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
throw new RuntimeException("Interrupted while trying to lock camera opening.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void closeCamera() {
|
||||||
|
try {
|
||||||
|
mCameraOpenCloseLock.acquire();
|
||||||
|
closePreviewSession();
|
||||||
|
if (null != mCameraDevice) {
|
||||||
|
mCameraDevice.close();
|
||||||
|
mCameraDevice = null;
|
||||||
|
}
|
||||||
|
if (null != mMediaRecorder) {
|
||||||
|
mMediaRecorder.release();
|
||||||
|
mMediaRecorder = null;
|
||||||
|
}
|
||||||
|
} catch (InterruptedException e) {
|
||||||
|
throw new RuntimeException("Interrupted while trying to lock camera closing.");
|
||||||
|
} finally {
|
||||||
|
mCameraOpenCloseLock.release();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Start the camera preview.
|
||||||
|
*/
|
||||||
|
private void startPreview() {
|
||||||
|
if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
closePreviewSession();
|
||||||
|
SurfaceTexture texture = mTextureView.getSurfaceTexture();
|
||||||
|
assert texture != null;
|
||||||
|
texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
|
||||||
|
mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
|
||||||
|
|
||||||
|
Surface previewSurface = new Surface(texture);
|
||||||
|
mPreviewBuilder.addTarget(previewSurface);
|
||||||
|
|
||||||
|
mCameraDevice.createCaptureSession(Collections.singletonList(previewSurface),
|
||||||
|
new CameraCaptureSession.StateCallback() {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onConfigured(@NonNull CameraCaptureSession session) {
|
||||||
|
mPreviewSession = session;
|
||||||
|
updatePreview();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onConfigureFailed(@NonNull CameraCaptureSession session) {
|
||||||
|
Activity activity = getActivity();
|
||||||
|
if (null != activity) {
|
||||||
|
Toast.makeText(activity, "Failed", Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}, mBackgroundHandler);
|
||||||
|
} catch (CameraAccessException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Update the camera preview. {@link #startPreview()} needs to be called in advance.
|
||||||
|
*/
|
||||||
|
private void updatePreview() {
|
||||||
|
if (null == mCameraDevice) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
setUpCaptureRequestBuilder(mPreviewBuilder);
|
||||||
|
HandlerThread thread = new HandlerThread("CameraPreview");
|
||||||
|
thread.start();
|
||||||
|
mPreviewSession.setRepeatingRequest(mPreviewBuilder.build(), null, mBackgroundHandler);
|
||||||
|
} catch (CameraAccessException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void setUpCaptureRequestBuilder(CaptureRequest.Builder builder) {
|
||||||
|
builder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Configures the necessary {@link android.graphics.Matrix} transformation to `mTextureView`.
|
||||||
|
* This method should not to be called until the camera preview size is determined in
|
||||||
|
* openCamera, or until the size of `mTextureView` is fixed.
|
||||||
|
*
|
||||||
|
* @param viewWidth The width of `mTextureView`
|
||||||
|
* @param viewHeight The height of `mTextureView`
|
||||||
|
*/
|
||||||
|
private void configureTransform(int viewWidth, int viewHeight) {
|
||||||
|
Activity activity = getActivity();
|
||||||
|
if (null == mTextureView || null == mPreviewSize || null == activity) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
|
||||||
|
Matrix matrix = new Matrix();
|
||||||
|
RectF viewRect = new RectF(0, 0, viewWidth, viewHeight);
|
||||||
|
RectF bufferRect = new RectF(0, 0, mPreviewSize.getHeight(), mPreviewSize.getWidth());
|
||||||
|
float centerX = viewRect.centerX();
|
||||||
|
float centerY = viewRect.centerY();
|
||||||
|
if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
|
||||||
|
bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
|
||||||
|
matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
|
||||||
|
float scale = Math.max(
|
||||||
|
(float) viewHeight / mPreviewSize.getHeight(),
|
||||||
|
(float) viewWidth / mPreviewSize.getWidth());
|
||||||
|
matrix.postScale(scale, scale, centerX, centerY);
|
||||||
|
matrix.postRotate(90 * (rotation - 2), centerX, centerY);
|
||||||
|
}
|
||||||
|
mTextureView.setTransform(matrix);
|
||||||
|
}
|
||||||
|
|
||||||
|
private void setUpMediaRecorder() throws IOException {
|
||||||
|
final Activity activity = getActivity();
|
||||||
|
if (null == activity) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
|
||||||
|
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
|
||||||
|
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
|
||||||
|
if (mNextVideoAbsolutePath == null || mNextVideoAbsolutePath.isEmpty()) {
|
||||||
|
mNextVideoAbsolutePath = getVideoFilePath(getActivity());
|
||||||
|
}
|
||||||
|
mMediaRecorder.setOutputFile(mNextVideoAbsolutePath);
|
||||||
|
mMediaRecorder.setVideoEncodingBitRate(10000000);
|
||||||
|
mMediaRecorder.setVideoFrameRate(30);
|
||||||
|
mMediaRecorder.setVideoSize(mVideoSize.getWidth(), mVideoSize.getHeight());
|
||||||
|
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
|
||||||
|
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
|
||||||
|
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
|
||||||
|
switch (mSensorOrientation) {
|
||||||
|
case SENSOR_ORIENTATION_DEFAULT_DEGREES:
|
||||||
|
mMediaRecorder.setOrientationHint(DEFAULT_ORIENTATIONS.get(rotation));
|
||||||
|
break;
|
||||||
|
case SENSOR_ORIENTATION_INVERSE_DEGREES:
|
||||||
|
mMediaRecorder.setOrientationHint(INVERSE_ORIENTATIONS.get(rotation));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
mMediaRecorder.prepare();
|
||||||
|
}
|
||||||
|
|
||||||
|
private String getVideoFilePath(Context context) {
|
||||||
|
final File dir = context.getExternalFilesDir(null);
|
||||||
|
return (dir == null ? "" : (dir.getAbsolutePath() + "/"))
|
||||||
|
+ System.currentTimeMillis() + ".mp4";
|
||||||
|
}
|
||||||
|
|
||||||
|
private void startRecordingVideo() {
|
||||||
|
if (null == mCameraDevice || !mTextureView.isAvailable() || null == mPreviewSize) {
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
closePreviewSession();
|
||||||
|
setUpMediaRecorder();
|
||||||
|
SurfaceTexture texture = mTextureView.getSurfaceTexture();
|
||||||
|
assert texture != null;
|
||||||
|
texture.setDefaultBufferSize(mPreviewSize.getWidth(), mPreviewSize.getHeight());
|
||||||
|
mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_RECORD);
|
||||||
|
List<Surface> surfaces = new ArrayList<>();
|
||||||
|
|
||||||
|
// Set up Surface for the camera preview
|
||||||
|
Surface previewSurface = new Surface(texture);
|
||||||
|
surfaces.add(previewSurface);
|
||||||
|
mPreviewBuilder.addTarget(previewSurface);
|
||||||
|
|
||||||
|
// Set up Surface for the MediaRecorder
|
||||||
|
Surface recorderSurface = mMediaRecorder.getSurface();
|
||||||
|
surfaces.add(recorderSurface);
|
||||||
|
mPreviewBuilder.addTarget(recorderSurface);
|
||||||
|
|
||||||
|
// Start a capture session
|
||||||
|
// Once the session starts, we can update the UI and start recording
|
||||||
|
mCameraDevice.createCaptureSession(surfaces, new CameraCaptureSession.StateCallback() {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onConfigured(@NonNull CameraCaptureSession cameraCaptureSession) {
|
||||||
|
mPreviewSession = cameraCaptureSession;
|
||||||
|
updatePreview();
|
||||||
|
getActivity().runOnUiThread(new Runnable() {
|
||||||
|
@Override
|
||||||
|
public void run() {
|
||||||
|
// UI
|
||||||
|
mButtonVideo.setText(R.string.stop);
|
||||||
|
mIsRecordingVideo = true;
|
||||||
|
|
||||||
|
// Start recording
|
||||||
|
mMediaRecorder.start();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void onConfigureFailed(@NonNull CameraCaptureSession cameraCaptureSession) {
|
||||||
|
Activity activity = getActivity();
|
||||||
|
if (null != activity) {
|
||||||
|
Toast.makeText(activity, "Failed", Toast.LENGTH_SHORT).show();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}, mBackgroundHandler);
|
||||||
|
} catch (CameraAccessException | IOException e) {
|
||||||
|
e.printStackTrace();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
private void closePreviewSession() {
|
||||||
|
if (mPreviewSession != null) {
|
||||||
|
mPreviewSession.close();
|
||||||
|
mPreviewSession = null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private void stopRecordingVideo() {
|
||||||
|
// UI
|
||||||
|
mIsRecordingVideo = false;
|
||||||
|
mButtonVideo.setText(R.string.record);
|
||||||
|
// Stop recording
|
||||||
|
mMediaRecorder.stop();
|
||||||
|
mMediaRecorder.reset();
|
||||||
|
|
||||||
|
Activity activity = getActivity();
|
||||||
|
if (null != activity) {
|
||||||
|
Toast.makeText(activity, "Video saved: " + mNextVideoAbsolutePath,
|
||||||
|
Toast.LENGTH_SHORT).show();
|
||||||
|
Log.d(TAG, "Video saved: " + mNextVideoAbsolutePath);
|
||||||
|
}
|
||||||
|
mNextVideoAbsolutePath = null;
|
||||||
|
startPreview();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Compares two {@code Size}s based on their areas.
|
||||||
|
*/
|
||||||
|
static class CompareSizesByArea implements Comparator<Size> {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int compare(Size lhs, Size rhs) {
|
||||||
|
// We cast here to ensure the multiplications won't overflow
|
||||||
|
return Long.signum((long) lhs.getWidth() * lhs.getHeight() -
|
||||||
|
(long) rhs.getWidth() * rhs.getHeight());
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public static class ErrorDialog extends DialogFragment {
|
||||||
|
|
||||||
|
private static final String ARG_MESSAGE = "message";
|
||||||
|
|
||||||
|
public static ErrorDialog newInstance(String message) {
|
||||||
|
ErrorDialog dialog = new ErrorDialog();
|
||||||
|
Bundle args = new Bundle();
|
||||||
|
args.putString(ARG_MESSAGE, message);
|
||||||
|
dialog.setArguments(args);
|
||||||
|
return dialog;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Dialog onCreateDialog(Bundle savedInstanceState) {
|
||||||
|
final Activity activity = getActivity();
|
||||||
|
return new AlertDialog.Builder(activity)
|
||||||
|
.setMessage(getArguments().getString(ARG_MESSAGE))
|
||||||
|
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
|
||||||
|
@Override
|
||||||
|
public void onClick(DialogInterface dialogInterface, int i) {
|
||||||
|
activity.finish();
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.create();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public static class ConfirmationDialog extends DialogFragment {
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Dialog onCreateDialog(Bundle savedInstanceState) {
|
||||||
|
final Fragment parent = getParentFragment();
|
||||||
|
return new AlertDialog.Builder(getActivity())
|
||||||
|
.setMessage(R.string.permission_request)
|
||||||
|
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
|
||||||
|
@Override
|
||||||
|
public void onClick(DialogInterface dialog, int which) {
|
||||||
|
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.setNegativeButton(android.R.string.cancel,
|
||||||
|
new DialogInterface.OnClickListener() {
|
||||||
|
@Override
|
||||||
|
public void onClick(DialogInterface dialog, int which) {
|
||||||
|
parent.getActivity().finish();
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.create();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
Binary file not shown.
|
After Width: | Height: | Size: 1.0 KiB |
@ -0,0 +1,8 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||||
|
xmlns:tools="http://schemas.android.com/tools"
|
||||||
|
android:id="@+id/container"
|
||||||
|
android:layout_width="match_parent"
|
||||||
|
android:layout_height="match_parent"
|
||||||
|
android:background="#000"
|
||||||
|
tools:context="com.example.android.camera2basic.CameraActivity" />
|
||||||
@ -0,0 +1,40 @@
|
|||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||||
|
android:layout_width="match_parent"
|
||||||
|
android:layout_height="match_parent">
|
||||||
|
|
||||||
|
<com.xypower.mpapp.video.AutoFitTextureView
|
||||||
|
android:id="@+id/texture"
|
||||||
|
android:layout_width="wrap_content"
|
||||||
|
android:layout_height="wrap_content"
|
||||||
|
android:layout_alignParentStart="true"
|
||||||
|
android:layout_alignParentTop="true" />
|
||||||
|
|
||||||
|
<FrameLayout
|
||||||
|
android:layout_width="match_parent"
|
||||||
|
android:layout_height="wrap_content"
|
||||||
|
android:layout_alignParentBottom="true"
|
||||||
|
android:layout_alignParentStart="true"
|
||||||
|
android:layout_below="@id/texture"
|
||||||
|
android:background="#4285f4">
|
||||||
|
|
||||||
|
<Button
|
||||||
|
android:id="@+id/video"
|
||||||
|
android:layout_width="wrap_content"
|
||||||
|
android:layout_height="wrap_content"
|
||||||
|
android:layout_gravity="center"
|
||||||
|
android:text="@string/record" />
|
||||||
|
|
||||||
|
<ImageButton
|
||||||
|
android:id="@+id/info"
|
||||||
|
android:contentDescription="@string/description_info"
|
||||||
|
style="@android:style/Widget.Material.Light.Button.Borderless"
|
||||||
|
android:layout_width="wrap_content"
|
||||||
|
android:layout_height="wrap_content"
|
||||||
|
android:layout_gravity="center_vertical|right"
|
||||||
|
android:padding="20dp"
|
||||||
|
android:src="@drawable/ic_action_info" />
|
||||||
|
|
||||||
|
</FrameLayout>
|
||||||
|
|
||||||
|
</RelativeLayout>
|
||||||
Loading…
Reference in New Issue