Android 中使用MediaRecorder進行錄影詳解（視頻錄製）

在這裡給出自己的一個測試DEMO，裡面注釋很詳細。簡單的視頻錄製功能.

package com.video;import java.io.IOException;import android.app.Activity;import android.content.pm.ActivityInfo;import android.graphics.PixelFormat;import android.media.MediaRecorder;import android.os.Bundle;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.View;import android.view.View.OnClickListener;import android.view.Window;import android.view.WindowManager;import android.widget.Button;/** * class name：TestBasicVideo<BR> * class description：一個簡單的錄製視頻例子<BR> * PS：實現基本的錄製儲存檔案 <BR> *  * @version 1.00 2011/09/21 * @author CODYY)peijiangping */public class TestBasicVideo extends Activity implements SurfaceHolder.Callback {private Button start;// 開始錄製按鈕private Button stop;// 停止錄製按鈕private MediaRecorder mediarecorder;// 錄製視頻的類private SurfaceView surfaceview;// 顯示視頻的控制項// 用來顯示視頻的一個介面，我靠不用還不行，也就是說用mediarecorder錄製視頻還得給個介面看// 想偷偷錄視頻的同學可以考慮別的辦法。。嗯需要實現這個介面的Callback介面private SurfaceHolder surfaceHolder;public void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉標題列getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);// 設定全屏// 設定橫屏顯示setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);// 選擇支援半透明模式,在有surfaceview的activity中使用。getWindow().setFormat(PixelFormat.TRANSLUCENT);setContentView(R.layout.main);init();}private void init() {start = (Button) this.findViewById(R.id.start);stop = (Button) this.findViewById(R.id.stop);start.setOnClickListener(new TestVideoListener());stop.setOnClickListener(new TestVideoListener());surfaceview = (SurfaceView) this.findViewById(R.id.surfaceview);SurfaceHolder holder = surfaceview.getHolder();// 取得holderholder.addCallback(this); // holder加入回調介面// setType必須設定，要不出錯.holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);}class TestVideoListener implements OnClickListener {@Overridepublic void onClick(View v) {if (v == start) {mediarecorder = new MediaRecorder();// 建立mediarecorder對象// 設定錄製視頻源為Camera(相機)mediarecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);// 設定錄製完成後視頻的封裝格式THREE_GPP為3gp.MPEG_4為mp4mediarecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);// 設定錄製的視頻編碼h263 h264mediarecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);// 設定視頻錄製的解析度。必須放在設定編碼和格式的後面，否則報錯mediarecorder.setVideoSize(176, 144);// 設定錄製的視訊框架率。必須放在設定編碼和格式的後面，否則報錯mediarecorder.setVideoFrameRate(20);mediarecorder.setPreviewDisplay(surfaceHolder.getSurface());// 設定視頻檔案輸出的路徑mediarecorder.setOutputFile("/sdcard/love.3gp");try {// 準備錄製mediarecorder.prepare();// 開始錄製mediarecorder.start();} catch (IllegalStateException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}if (v == stop) {if (mediarecorder != null) {// 停止錄製mediarecorder.stop();// 釋放資源mediarecorder.release();mediarecorder = null;}}}}@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {// 將holder，這個holder為開始在oncreat裡面取得的holder，將它賦給surfaceHoldersurfaceHolder = holder;}@Overridepublic void surfaceCreated(SurfaceHolder holder) {// 將holder，這個holder為開始在oncreat裡面取得的holder，將它賦給surfaceHoldersurfaceHolder = holder;}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {// surfaceDestroyed的時候同時對象設定為nullsurfaceview = null;surfaceHolder = null;mediarecorder = null;}}

main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="horizontal" >    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:layout_weight="1" >        <SurfaceView            android:id="@+id/surfaceview"            android:layout_width="fill_parent"            android:layout_height="fill_parent" />    </LinearLayout>    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:layout_weight="4"        android:gravity="center"        android:orientation="vertical" >        <Button            android:id="@+id/start"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="Start" />        <Button            android:id="@+id/stop"            android:layout_width="fill_parent"            android:layout_height="wrap_content"            android:layout_weight="1"            android:text="Stop" />    </LinearLayout></LinearLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.video"    android:versionCode="1"    android:versionName="1.0" >    <application        android:icon="@drawable/icon"        android:label="@string/app_name" >        <activity            android:label="@string/app_name"            android:name=".TestBasicVideo" >            <intent-filter >                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application>    <uses-sdk android:minSdkVersion="8" />    <uses-permission android:name="android.permission.CAMERA" >    </uses-permission>    <uses-permission android:name="android.permission.RECORD_AUDIO" >    </uses-permission>    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >    </uses-permission></manifest>