Android自定义视频录制控件

package com.qk365.housekeeper.weiget; import android.content.Context; import android.hardware.Camera; import android.hardware.Camera.Parameters; import android.hardware.Camera.Size; import android.media.MediaRecorder; import android.media.MediaRecorder.OnErrorListener; import android.util.AttributeSet; import android.util.Log; import android.view.LayoutInflater; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import android.view.SurfaceView; import android.view.View; import android.widget.RelativeLayout; import android.widget.Toast; import com.qk365.housekeeper.R; import com.qk365.housekeeper.entity.User; import com.qk365.housekeeper.utils.SDCardUtils; import java.io.File; import java.io.IOException; import java.util.List; import java.util.Random; /** * 视频录制控件 * * @author lip * @date 2015-3-16 */ public class MovieRecorderView extends RelativeLayout implements OnErrorListener { private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private MediaRecorder mMediaRecorder; private Camera mCamera; private int mWidth;// 视频分辨率宽度 private int mHeight;// 视频分辨率高度 private boolean isOpenCamera;// 是否一开始就打开摄像头 private int mRecordMaxTime;// 一次拍摄最长时间 private File mVecordFile = null;// 文件 private Context mContext; private static final int COMPLETED = 1232; private List<Size> mSupportedPreviewSizes; private Size mPreviewSize; private String vedioPathDir; public MovieRecorderView(Context context) { this(context, null); } public MovieRecorderView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public MovieRecorderView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); mContext = context; init(); } /** * 设置录制视频的保存路径 */ public void setVedioDirPath(String pathDir) { this.vedioPathDir = pathDir; } /** * 录制完成回调接口 * * @author lip * @date 2015-3-16 */ public interface OnRecordFinishListener { public void onRecordFinish(); } public void setOnRecordFinishListener(OnRecordFinishListener onRecordFinishListener) { this.onRecordFinishListener = onRecordFinishListener; } private OnRecordFinishListener onRecordFinishListener; private void init() { mWidth = 320; mHeight = 240; mRecordMaxTime = 121; //最大录制时间120秒 2*60 isOpenCamera = true; View moiveRecorderView = LayoutInflater.from(mContext).inflate(R.layout.moive_recorder_view, this); mSurfaceView = (SurfaceView) moiveRecorderView.findViewById(R.id.surfaceview); mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(new CustomCallBack()); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } private class CustomCallBack implements Callback { @Override public void surfaceCreated(SurfaceHolder holder) { //判断sd卡是否存在 if (!SDCardUtils.isSDCardEnable()) { Toast.makeText(mContext, "sdcard 不存在!", Toast.LENGTH_SHORT).show(); } if (!isOpenCamera) return; try { initCamera(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { } @Override public void surfaceDestroyed(SurfaceHolder holder) { if (!isOpenCamera) return; freeCameraResource(); } } /** * 初始化摄像头 */ private boolean initCamera() { try { if (mCamera != null) { freeCameraResource(); } try { mCamera = getCameraInstance();//1. 打开Camera //设置摄像头以及摄像头的方向 // int CammeraIndex= CameraUtil.FindBackCamera(); // mCamera=Camera.open(CammeraIndex); } catch (Exception e) { e.printStackTrace(); freeCameraResource(); } if (mCamera == null) return false; setCameraParams(); mCamera.setDisplayOrientation(90); mCamera.setPreviewDisplay(mSurfaceHolder); //2. 连接预览 mCamera.startPreview(); //3. 启动预览 // mCamera.cancelAutoFocus();// 2如果要实现连续的自动对焦，这一句必须加上 mCamera.unlock(); //4.a.给Camera对象解锁 } catch (Exception e) { e.printStackTrace(); return false; } return true; } /** * A safe way to get an instance of the Camera object. */ public static Camera getCameraInstance() { Camera c = null; try { c = Camera.open(); // attempt to get a Camera instance } catch (Exception e) { // Camera is not available (in use or does not exist) } return c; // returns null if camera is unavailable } /** * 设置摄像头为横屏 * * @author lip * @date 2015-3-16 */ private void setCameraParams() { if (mCamera != null) { Parameters mParams = mCamera.getParameters(); mParams.set("orientation", "portrait"); // mParams.set("orientation", "landscape"); mCamera.setParameters(mParams); } } /** * 释放摄像头资源 * * @author liuyinjun * @date 2015-2-5 */ private void freeCameraResource() { if (mCamera != null) { try { mCamera.setPreviewCallback(null); // mCamera.setPreviewCallbackWithBuffer(null); mCamera.stopPreview(); mCamera.lock(); mCamera.release(); mCamera = null; } catch (Exception e) { e.printStackTrace(); } } } private void createRecordDir() { File sampleDir = new File(vedioPathDir); if (!sampleDir.exists()) { sampleDir.mkdirs(); } File vecordDir = sampleDir; StringBuilder sb = new StringBuilder(); if (User.getInstance() != null) sb.append(User.getInstance().getUseID()); int random = (int) (Math.random() * (99999 - 10000 + 1)) + 10000;// 获取5位随机数 sb.append(random); sb.append("-"); sb.append(System.currentTimeMillis()); sb.append(".mp4"); // 创建文件 // mVecordFile = File.createTempFile(User.getInstance().getUseID() + "", ".mp4", vecordDir);//mp4格式 mVecordFile = new File(vecordDir, sb.toString());//mp4格式 //LogUtils.i(mVecordFile.getAbsolutePath()); Log.d("Path:", mVecordFile.getAbsolutePath()); } /** * 初始化录制 */ private boolean initRecord() { try { if (mMediaRecorder == null) { mMediaRecorder = new MediaRecorder(); // 创建MediaRecorder } mMediaRecorder.reset(); //mCamera为null打开mCamera if (mCamera != null) { mCamera.stopPreview(); } initCamera