android 仿微信短视频拍摄源码(亲测可用)

package com.fyy.shortvideo;import java.io.File;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Timer;import java.util.TimerTask;import com.fyy.shortvideo.R;import android.annotation.SuppressLint;import android.content.Context;import android.content.res.TypedArray;import android.hardware.Camera;import android.hardware.Camera.Parameters;import android.media.MediaRecorder;import android.media.MediaRecorder.AudioEncoder;import android.media.MediaRecorder.AudioSource;import android.media.MediaRecorder.OnErrorListener;import android.media.MediaRecorder.OutputFormat;import android.media.MediaRecorder.VideoEncoder;import android.media.MediaRecorder.VideoSource;import android.os.Environment;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.widget.LinearLayout;import android.widget.ProgressBar;/** * 视频播放控件 * */@SuppressLint("NewApi")public class MovieRecorderView extends LinearLayout implements OnErrorListener { private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private ProgressBar mProgressBar; private MediaRecorder mMediaRecorder; private Camera mCamera; private Timer mTimer;// 计时器 private OnRecordFinishListener mOnRecordFinishListener;// 录制完成回调接口 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 int mTimeCount;// 时间计数 private File mRecordFile = null;// 文件 public MovieRecorderView(Context context) { this(context, null); } public MovieRecorderView(Context context, AttributeSet attrs) { this(context, attrs, 0); } @SuppressLint("NewApi")public MovieRecorderView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); // 初始化各项组件 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.MovieRecorderView, defStyle, 0); mWidth = a.getInteger(R.styleable.MovieRecorderView_video_width, 320);// 默认320 mHeight = a.getInteger(R.styleable.MovieRecorderView_video_height, 240);// 默认240 isOpenCamera = a.getBoolean(R.styleable.MovieRecorderView_is_open_camera, true);// 默认打开 mRecordMaxTime = a.getInteger(R.styleable.MovieRecorderView_record_max_time, 10);// 默认为10 LayoutInflater.from(context).inflate(R.layout.movie_recorder_view, this); mSurfaceView = (SurfaceView) findViewById(R.id.surfaceview); mProgressBar = (ProgressBar) findViewById(R.id.progressBar); mProgressBar.setMax(mRecordMaxTime);// 设置进度条最大量 mSurfaceHolder = mSurfaceView.getHolder(); mSurfaceHolder.addCallback(new CustomCallBack()); mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); a.recycle(); } /** * * * @date 2015-2-5 */ private class CustomCallBack implements Callback { @Override public void surfaceCreated(SurfaceHolder holder) { if (!isOpenCamera) return; try { initCamera(); } catch (IOException 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 * * * @date 2015-2-5 * @throws IOException */ @SuppressLint("NewApi")private void initCamera() throws IOException { if (mCamera != null) { freeCameraResource(); } try { mCamera = Camera.open(); } catch (Exception e) { e.printStackTrace(); freeCameraResource(); } if (mCamera == null) return; // setCameraParams(); mCamera.setDisplayOrientation(90); mCamera.setPreviewDisplay(mSurfaceHolder); mCamera.startPreview(); mCamera.unlock(); } /** * 设置摄像头为竖屏 * * * @date 2015-2-5 */ /*private void setCameraParams() { if (mCamera != null) { Parameters params = mCamera.getParameters(); params.set("orientation", "portrait"); mCamera.setParameters(params); } }*/ /** * 释放摄像头资源 * * * @date 2015-2-5 */ private void freeCameraResource() { if (mCamera != null) { mCamera.setPreviewCallback(null); mCamera.stopPreview(); mCamera.lock(); mCamera.release(); mCamera = null; } } private void createRecordDir() { File sampleDir = new File(Environment.getExternalStorageDirectory() File.separator "im/video/"); if (!sampleDir.exists()) { sampleDir.mkdirs(); } File vecordDir = sampleDir; // 创建文件 try { mRecordFile = File.createTempFile("recording", ".mp4", vecordDir); //mp4格式 Log.i("TAG",mRecordFile.getAbsolutePath()); } catch (IOException e) { } } /** * 初始化 * * * @date 2015-2-5 * @throws IOException */ private void initRecord() throws IOException { mMediaRecorder = new MediaRecorder(); mMediaRecorder.reset(); if (mCamera != null) mMediaRecorder.setCamera(mCamera); mMediaRecorder.setOnErrorListener(this); mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface()); mMediaRecorder.setVideoSource(VideoSource.CAMERA);// 视频源 mMediaRecorder.setAudioSource(AudioSource.MIC);// 音频源 mMediaRecorder.setOutputFormat(OutputFormat.MPEG_4);// 视频输出格式 mMediaRecorder.setAudioEncoder(AudioEncoder.AMR_NB);// 音频格式 mMediaRecorder.setVideoSize(mWidth, mHeight);// 设置分辨率： // mMediaRecorder.setVideoFrameRate(16);// 这个我把它去掉了，感觉没什么用 mMediaRecorder.setVideoEncodingBitRate(1 * 1280 * 720);// 设置帧频率，然后就清晰了 mMediaRecorder.setOrientationHint(90);// 输出旋转90度，保持竖屏录制 mMediaRecorder.setVideoEncoder(VideoEncoder.MPEG_4_SP);// 视频录制格式 // mediaRecorder.setMaxDuration(Constant.MAXVEDIOTIME * 1000); mMediaRecorder.setOutputFile(mRecordFile.getAbsolutePath()); mMediaRecorder.prepare(); try { mMediaRecorder.start(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (RuntimeException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } /** * 开始录制视频 * * * @date 2015-2-5 * @param * * @param onRecordFinishListener * 达到指定时间之后回调接口 */ public void record(final OnRecordFinishListener onRecordFinishListener) { this.mOnRecordFinishListener = onRecordFinishListener; createRecordDir(); try { if (!isOpenCamera)// 如果未打开摄像头，则打开 initCamera(); initRecord(); mTimeCount = 0;// 时间计数器重新赋值 mTimer = new Timer(); mTimer.schedule(new TimerTask() { @Override public void run() { // TODO Auto-generated method stub mTimeCount ; mProgressBar.setProgress(mTimeCount);// 设置进度条 if (mTimeCount == mRecordMaxTime) {// 达到指定时间，停止拍摄 stop(); if (mOnRecordFinishListener != null) mOnRecordFinishListener.onRecordFinish(); } } }, 0, 1000); } catch (IOException e) { e.printStackTrace(); } } /** * 停止拍摄 * * * @date 2015-2-5 */ public void stop() { stopRecord(); releaseRecord(); freeCameraResource(); } /** * 停止录制 * * * @date 2015-2-5 */ public void stopRecord() { mProgressBar.setProgress(0); if (mTimer != null) mTimer.cancel(); if (mMediaRecorder != null) { // 设置后不会崩 mMediaRecorder.setOnErrorListener(null); try { mMediaRecorder.stop(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (RuntimeException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } mMediaRecorder.setPreviewDisplay(null); } } /** * 释放资源 * * * @date 2015-2-5 */ private void releaseRecord() { if (mMediaRecorder != null) { mMediaRecorder.setOnErrorListener(null); try { mMediaRecorder.release(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } } mMediaRecorder = null; } public int getTimeCount() { return mTimeCount; } /** * @return the mVecordFile */ public File getmRecordFile() { return mRecordFile; } /** * 录制完成回调接口 * * * * @date 2015-2-5 */ public interface OnRecordFinishListener { public void onRecordFinish(); } @Override public void onError(MediaRecorder mr, int what, int extra) { try { if (mr != null) mr.reset(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } }}