package com.jiangdg.usbcamera.view; import android.hardware.usb.UsbDevice; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.support.annotation.Nullable; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.Toast; import com.jiangdg.usbcamera.FileUtils; import com.jiangdg.usbcamera.R; import com.jiangdg.usbcamera.USBCameraManager; import com.serenegiant.usb.CameraDialog; import com.serenegiant.usb.Size; import com.serenegiant.usb.USBMonitor; import com.serenegiant.usb.common.AbstractUVCCameraHandler; import com.serenegiant.usb.encoder.RecordParams; import com.serenegiant.usb.widget.CameraViewInterface; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.List; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; /** * AndroidUSBCamera引擎使用Demo * * Created by jiangdongguo on 2017/9/30. */ public class USBCameraActivity extends AppCompatActivity implements CameraDialog.CameraDialogParent{ @BindView(R.id.camera_view) public View mTextureView; @BindView(R.id.camera_view2) public View mTextureView2; @BindView(R.id.btn_capture_pic) public Button mBtnCapture; @BindView(R.id.btn_rec_video) public Button mBtnRecord; @BindView(R.id.btn_update_resolution) public Button mBtnUpdateResultion; @BindView(R.id.btn_restart_camera) Button mBtnRestartCamera; private USBCameraManager mUSBManager; private CameraViewInterface mUVCCameraView; private boolean isRequest; /** * USB设备事件监听器 * */ private USBCameraManager.OnMyDevConnectListener listener = new USBCameraManager.OnMyDevConnectListener() { // 插入USB设备 @Override public void onAttachDev(UsbDevice device) { if(mUSBManager == null || mUSBManager.getUsbDeviceCount() == 0){ showShortMsg("未检测到USB摄像头设备"); return; } // 请求打开摄像头 if(! isRequest){ isRequest = true; if(mUSBManager != null){ mUSBManager.requestPermission(0); } } } // 拔出USB设备 @Override public void onDettachDev(UsbDevice device) { if(isRequest){ // 关闭摄像头 isRequest = false; mUSBManager.closeCamera(); showShortMsg(device.getDeviceName()+"已拨出"); } } // 连接USB设备成功 @Override public void onConnectDev(UsbDevice device,boolean isConnected) { if(! isConnected) { showShortMsg("连接失败，请检查分辨率参数是否正确"); } } // 与USB设备断开连接 @Override public void onDisConnectDev(UsbDevice device) { showShortMsg("连接失败"); } }; @Override protected void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_usbcamera); ButterKnife.bind(this); mUVCCameraView = (CameraViewInterface) mTextureView; // 初始化引擎 mUSBManager = USBCameraManager.getInstance(); mUSBManager.initUSBMonitor(this,listener); mUSBManager.createUVCCamera(mUVCCameraView); } @Override protected void onStart() { super.onStart(); // 注册USB事件广播监听器 if(mUSBManager != null){ mUSBManager.registerUSB(); } } @Override protected void onStop() { super.onStop(); // 注销USB事件广播监听器 if(mUSBManager != null){ mUSBManager.unregisterUSB(); } } @OnClick({R.id.camera_view, R.id.btn_capture_pic, R.id.btn_rec_video,R.id.btn_update_resolution,R.id.btn_restart_camera}) public void onViewClick(View view) { int vId = view.getId(); switch (vId) { // 重启Camera case R.id.btn_restart_camera: if(mUSBManager == null) return; mUSBManager.restartUSBCamera((CameraViewInterface) mTextureView2,new USBCameraManager.OnPreviewListener() { @Override public void onPreviewResult(boolean isSuccess) { if(isSuccess) { showShortMsg("重启成功"); } } }); break; // 切换分辨率 case R.id.btn_update_resolution: if(mUSBManager == null) return; mUSBManager.updateResolution(320, 240, new USBCameraManager.OnPreviewListener() { @Override public void onPreviewResult(boolean isSuccess) { if(! isSuccess) { showShortMsg("预览失败，不支持该分辨率"); }else { showShortMsg("以切换到分辨率为320x240"); } } }); break; // 点击后自动对焦 case R.id.camera_view: if(mUSBManager == null) return; // mUSBManager.startCameraFoucs(); // showShortMsg("对焦相机"); List list = mUSBManager.getSupportedPreviewSizes(); if(list == null) { return; } StringBuilder sb = new StringBuilder(); for(Size size:list){ sb.append(size.width+"x"+size.height); sb.append("\n"); } showShortMsg(sb.toString()); break; case R.id.btn_capture_pic: if(mUSBManager == null || ! mUSBManager.isCameraOpened()){ showShortMsg("抓拍异常，摄像头未开启"); return; } String picPath = USBCameraManager.ROOT_PATH+System.currentTimeMillis() +USBCameraManager.SUFFIX_PNG; mUSBManager.capturePicture(picPath, new AbstractUVCCameraHandler.OnCaptureListener() { @Override public void onCaptureResult(String path) { showShortMsg("保存路径："+path); } }); break; case R.id.btn_rec_video: if(mUSBManager == null || ! mUSBManager.isCameraOpened()){ showShortMsg("录制异常，摄像头未开启"); return; } if(! mUSBManager.isRecording()){ String videoPath = USBCameraManager.ROOT_PATH+System.currentTimeMillis(); FileUtils.createfile(FileUtils.ROOT_PATH+"test666.h264"); RecordParams params = new RecordParams(); params.setRecordPath(videoPath); params.setRecordDuration(0); // 设置为0，不分割保存 params.setVoiceClose(false); // 不屏蔽声音 mUSBManager.startRecording(params, new AbstractUVCCameraHandler.OnEncodeResultListener() { @Override public void onEncodeResult(byte[] data, int offset, int length, long timestamp, int type) { // type = 0,aac格式音频流 // type = 1,h264格式视频流 if(type == 1){ FileUtils.putFileStream(data,offset,length); } } @Override public void onRecordResult(String videoPath) { showShortMsg(videoPath); } }); mBtnRecord.setText("正在录制"); } else { FileUtils.releaseFile(); mUSBManager.stopRecording(); mBtnRecord.setText("开始录制"); } break; } } @Override protected void onDestroy() { super.onDestroy(); // 释放资源 if(mUSBManager != null){ mUSBManager.release(); } } private void showShortMsg(String msg) { Toast.makeText(this, msg, Toast.LENGTH_SHORT).show(); } @Override public USBMonitor getUSBMonitor() { return mUSBManager.getUSBMonitor(); } @Override public void onDialogResult(boolean canceled) { if(canceled){ showShortMsg("取消操作"); } } }