合并camera2代码
Matthew
8 months ago
parent
8cf7934629
commit
13a9f9458f
@ -1,3 +1,7 @@
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<resources>
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<string name="app_name">欣影视频流</string>
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<string name="title_activity_fullscreen">FullscreenActivity</string>
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<string name="dummy_button">Dummy Button</string>
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<string name="dummy_content">DUMMY\nCONTENT</string>
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<string name="title_activity_fullscreen2">FullscreenActivity2</string>
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</resources>
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@ -0,0 +1,10 @@
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<resources>
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<style name="AppTheme.Fullscreen" parent="AppTheme">
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<item name="android:actionBarStyle">@style/Widget.AppTheme.ActionBar.Fullscreen</item>
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<item name="android:windowActionBarOverlay">true</item>
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<item name="android:windowBackground">@null</item>
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</style>
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</resources>
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@ -0,0 +1,63 @@
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package net.ossrs.yasea;
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import android.util.Range;
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import java.util.List;
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//摄像头对象类
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public class CameraItemData {
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public String id;//摄像头编号
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public int sensorOrientation;//摄像头朝向
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public Range<Integer>[] FPS_RANGES;//FPS
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public Long MAX_FRAME_DURATION;//最大帧率
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public int LENS_FACING;//前置后置
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public List supportedSizes;//支持处理的分辨率
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public List getSupportedSizes() {
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return supportedSizes;
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}
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public void setSupportedSizes(List supportedSizes) {
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this.supportedSizes = supportedSizes;
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}
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public int getLENS_FACING() {
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return LENS_FACING;
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}
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public void setLENS_FACING(int LENS_FACING) {
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this.LENS_FACING = LENS_FACING;
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}
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public Long getMAX_FRAME_DURATION() {
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return MAX_FRAME_DURATION;
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}
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public void setMAX_FRAME_DURATION(Long MAX_FRAME_DURATION) {
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this.MAX_FRAME_DURATION = MAX_FRAME_DURATION;
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}
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public Range<Integer>[] getFPS_RANGES() {
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return FPS_RANGES;
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}
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public void setFPS_RANGES(Range<Integer>[] FPS_RANGES) {
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this.FPS_RANGES = FPS_RANGES;
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}
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public int getSensorOrientation() {
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return sensorOrientation;
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}
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public void setSensorOrientation(int sensorOrientation) {
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this.sensorOrientation = sensorOrientation;
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}
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public String getId() {
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return id;
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}
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public void setId(String id) {
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this.id = id;
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}
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}
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@ -0,0 +1,258 @@
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package net.ossrs.yasea;
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import android.Manifest;
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import android.app.Activity;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.content.res.Configuration;
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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.CaptureRequest;
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import android.support.v4.app.ActivityCompat;
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import android.support.v4.content.ContextCompat;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import android.view.ViewGroup;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 本类的主要功能是 : 开启摄像头
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* <p>
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* 1,初始化,{@link CameraView#initCamera()}
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* 2,权限,{@link CameraView#onRequestPermissionsResult(int, String[], int[])}
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* 3,生命周期,{@link CameraView#onPause()}
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*
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* @author koko 2023/10/12 11:38
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*/
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public class CameraView extends SurfaceView {
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private static final String TAG = "CameraView";
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private static final int CAMERA_PERMISSION_REQUEST_CODE = 22;
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private CameraDevice mCameraDevice;
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private CameraCaptureSession mCaptureSession;
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private CaptureRequest.Builder mPreviewBuilder;
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public CameraView(Context context) {
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super(context);
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initView();
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}
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public CameraView(Context context, AttributeSet attrs) {
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super(context, attrs);
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initView();
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}
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public CameraView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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initView();
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}
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public CameraView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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initView();
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}
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private void initView() {
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SurfaceHolder surfaceHolder = getHolder();
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surfaceHolder.addCallback(new SurfaceHolder.Callback() {
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@Override
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public void surfaceCreated(SurfaceHolder holder) {
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Log.e(TAG, "surfaceCreated: ");
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// 初始化相机
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// 在需要使用相机的地方进行权限检查
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if (ContextCompat.checkSelfPermission(getContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
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// 如果权限未被授予，则请求相机权限
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ActivityCompat.requestPermissions((Activity) getContext(),
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new String[]{Manifest.permission.CAMERA},
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CAMERA_PERMISSION_REQUEST_CODE);
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} else {
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// 如果权限已被授予，则直接打开相机
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openCamera();
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}
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}
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@Override
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
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Log.e(TAG, "surfaceChanged: ");
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// 更新相机预览尺寸
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updatePreview();
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}
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@Override
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public void surfaceDestroyed(SurfaceHolder holder) {
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Log.e(TAG, "surfaceDestroyed: ");
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// 释放相机资源
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closeCamera();
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}
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});
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}
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/**
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* 初始化相机
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*/
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public void initCamera() {
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changeCameraOri(getResources().getConfiguration().orientation);
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}
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// 处理权限请求的回调
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public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
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if (requestCode == CAMERA_PERMISSION_REQUEST_CODE) {
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if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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// 相机权限已被授予，打开相机
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openCamera();
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} else {
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// 相机权限被拒绝，显示一个提示消息或执行其他操作
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}
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}
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}
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/**
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* 暂停
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*/
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protected void onPause() {
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closeCamera();
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}
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@Override
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protected void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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changeCameraOri(newConfig.orientation);
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}
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/**
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* 横竖屏处理
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* @param orientation 横竖屏
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*/
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private void changeCameraOri(int orientation) {
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float ratioScreen = 0.28f;
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float ratioCamera = 16 / 9f;
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//以窄边为标准
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//竖屏
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// int screenWidthPortrait = (int) (com.smart.camera2.PhoneHelper.getScreenWidthReal(getContext()) * ratioScreen);
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int screenWidthPortrait = (int) 1080;
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int screenHeightPortrait = (int) (screenWidthPortrait * ratioCamera);
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//横屏
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// int screenHeightLandScape = (int) (com.smart.camera2.PhoneHelper.getScreenHeightReal(getContext()) * ratioScreen);
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int screenHeightLandScape = (int) 1920;
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int screenWidthLandScape = (int) (screenHeightLandScape * ratioCamera);
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ViewGroup.LayoutParams layoutParams = getLayoutParams();
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if (layoutParams == null) {
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return;
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}
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switch (orientation) {
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case Configuration.ORIENTATION_PORTRAIT:
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Log.i(TAG, "onConfigurationChanged: " + "竖屏");
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// 竖屏1080-1920
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layoutParams.width = screenWidthPortrait;
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layoutParams.height = screenHeightPortrait;
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break;
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case Configuration.ORIENTATION_LANDSCAPE:
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Log.i(TAG, "onConfigurationChanged: " + "横屏");
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// 横屏1920-1080
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layoutParams.width = screenWidthLandScape;
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layoutParams.height = screenHeightLandScape;
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break;
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}
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setLayoutParams(layoutParams);
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}
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/**
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* 打开相机
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*/
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private void openCamera() {
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CameraManager cameraManager = (CameraManager) getContext().getSystemService(Context.CAMERA_SERVICE);
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getHolder().setFixedSize(9999, 9999);
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try {
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String cameraId = getFrontCameraId(cameraManager);
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if (ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
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return;
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}
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cameraManager.openCamera(cameraId, new CameraDevice.StateCallback() {
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@Override
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public void onOpened(CameraDevice camera) {
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mCameraDevice = camera;
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Log.e(TAG, "onOpened: ");
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createCaptureSession();
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}
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@Override
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public void onDisconnected(CameraDevice camera) {
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Log.e(TAG, "onDisconnected: ");
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}
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@Override
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public void onError(CameraDevice camera, int error) {
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Log.e(TAG, "onError: ");
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}
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}, null);
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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/**
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* 关闭相机
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*/
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private void closeCamera() {
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Log.e(TAG, "closeCamera: ");
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if (mCaptureSession != null) {
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mCaptureSession.close();
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mCaptureSession = null;
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}
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if (mCameraDevice != null) {
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mCameraDevice.close();
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mCameraDevice = null;
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}
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}
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/**
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* 刷新
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*/
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private void updatePreview() {
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if (mCameraDevice == null) {
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return;
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}
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if (mCaptureSession == null) {
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return;
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}
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try {
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mCaptureSession.setRepeatingRequest(mPreviewBuilder.build(), null, null);
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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/**
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* 获取相机
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* @param cameraManager cameraManager
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* @return 相机id
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* @throws CameraAccessException 异常
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*/
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private String getFrontCameraId(CameraManager cameraManager) throws CameraAccessException {
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String[] cameraIds = cameraManager.getCameraIdList();
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for (String cameraId : cameraIds) {
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CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(cameraId);
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Integer facing = characteristics.get(CameraCharacteristics.LENS_FACING);
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if (facing != null && facing == CameraCharacteristics.LENS_FACING_FRONT) {
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return cameraId;
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}
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}
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return cameraIds[0];
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}
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/**
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* 创建CaptureSession
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*/
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private void createCaptureSession() {
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try {
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SurfaceHolder surfaceHolder = getHolder();
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surfaceHolder.setFixedSize(getWidth(), getHeight());
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List<Surface> surfaces = new ArrayList<>();
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surfaces.add(surfaceHolder.getSurface());
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mPreviewBuilder = mCameraDevice.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
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mPreviewBuilder.addTarget(surfaceHolder.getSurface());
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mCameraDevice.createCaptureSession(surfaces, new CameraCaptureSession.StateCallback() {
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@Override
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public void onConfigured(CameraCaptureSession session) {
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mCaptureSession = session;
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Log.e(TAG, "onConfigured: ");
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updatePreview();
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}
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@Override
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public void onConfigureFailed(CameraCaptureSession session) {
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// 配置会话失败
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}
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}, null);
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} catch (CameraAccessException e) {
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e.printStackTrace();
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}
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}
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}
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