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.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Surface;
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.ArrayList;
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.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;
@BindView(R.id.btn_contrast)
Button mBtnContrast;
@BindView(R.id.btn_brightness)
Button mBtnBrightness;
private USBCameraManager mUSBManager;
private CameraViewInterface mUVCCameraView;
private boolean isRequest;
private boolean isPreview;
/**
* 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”);
isPreview = false;
}else{
isPreview = true;
}
}
// 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;
mUVCCameraView.setCallback(new CameraViewInterface.Callback() {
@Override
public void onSurfaceCreated(CameraViewInterface view, Surface surface) {
if(!isPreview && mUSBManager.isCameraOpened()) {
mUSBManager.startPreview(mUVCCameraView, new AbstractUVCCameraHandler.OnPreViewResultListener() {
@Override
public void onPreviewResult(boolean result) {
}
});
isPreview = true;
}
}
@Override
public void onSurfaceChanged(CameraViewInterface view, Surface surface, int width, int height) {
}
@Override
public void onSurfaceDestroy(CameraViewInterface view, Surface surface) {
if(isPreview && mUSBManager.isCameraOpened()) {
mUSBManager.stopPreview();
isPreview = false;
}
}
});
// 初始化引擎
mUSBManager = USBCameraManager.getInstance();
mUSBManager.initUSBMonitor(this,listener);
mUSBManager.createUVCCamera(mUVCCameraView);
}
@Override
protected void onStart() {
super.onStart();
if(mUSBManager == null)
return;
// 注册USB事件广播监听器
mUSBManager.registerUSB();
mUVCCameraView.onResume();
}
@Override
protected void onStop() {
super.onStop();
// 注销USB事件广播监听器
if(mUSBManager != null){
mUSBManager.unregisterUSB();
}
mUVCCameraView.onPause();
}
@OnClick({ R.id.btn_contrast,R.id.btn_brightness,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) {
// 对比度
case R.id.btn_contrast:
if(mUSBManager == null || !mUSBManager.isCameraOpened())
return;
int contrast = mUSBManager.getModelValue(USBCameraManager.MODE_CONTRAST);
mUSBManager.setModelValue(USBCameraManager.MODE_CONTRAST,contrast++);
break;
// 亮度
case R.id.btn_brightness:
if(mUSBManager == null || !mUSBManager.isCameraOpened())
return;
int brightness = mUSBManager.getModelValue(USBCameraManager.MODE_BRIGHTNESS);
mUSBManager.setModelValue(USBCameraManager.MODE_BRIGHTNESS,brightness++);
break;
// 重启Camera
case R.id.btn_restart_camera:
break;
// 切换分辨率
case R.id.btn_update_resolution:
if(mUSBManager == null || !mUSBManager.isCameraOpened())
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320×240”);
}
}
});
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();
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”);
}
}
public boolean isCameraOpened() {
return mUSBManager.isCameraOpened();
}
}
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