第二篇、vlc-android之源码介绍

╰+攻爆jí腚メ 2022-05-13 03:10 229阅读 0赞

## 注明 ##

转载请注明出处：[http://blog.csdn.net/cuiran/article/details/35987853][http_blog.csdn.net_cuiran_article_details_35987853]

## 正文 ##

继《[第一篇、vlc-android之开篇介绍][vlc-android]》

#  #

# [http://blog.csdn.net/cuiran/article/details/30054835][vlc-android] #

本篇介绍一下vlc-android的源码

![SouthEast][]

如图所示，libvlc是对应vlc jni的class

自己可以写个简单的Activity

/**
     * DemoActivity.java
     * Copyright(C) 2014
     * creator:cuiran 2014-6-11 下午3:34:58
     */
    package org.videolan.vlc.gui;
    
    import java.util.Arrays;
    import java.util.HashMap;
    import java.util.List;
    
    import org.videolan.libvlc.LibVlcException;
    import org.videolan.libvlc.LibVlcUtil;
    import org.videolan.vlc.AudioServiceController;
    import org.videolan.vlc.Util;
    import org.videolan.vlc.gui.audio.AudioPlayer;
    import org.videolan.vlc.gui.video.VideoPlayerActivity;
    import org.videolan.vlc.widget.SlidingPaneLayout;
    
    import com.actionbarsherlock.app.ActionBar;
    import com.slidingmenu.lib.SlidingMenu;
    
    import android.app.Activity;
    import android.content.Intent;
    import android.content.SharedPreferences;
    import android.content.SharedPreferences.Editor;
    import android.content.pm.PackageInfo;
    import android.content.pm.PackageManager.NameNotFoundException;
    import android.os.Bundle;
    import android.os.Handler;
    import android.preference.PreferenceManager;
    import android.support.v4.app.Fragment;
    import android.util.Log;
    import android.view.View;
    import android.widget.ProgressBar;
    import android.widget.TextView;
    
    /**
     * TODO 
     * @author cuiran
     * @version 1.0.0
     */
    public class DemoActivity extends Activity {
    	public final static String TAG = "VLC/DemoActivity";
    	 protected static final String ACTION_SHOW_PROGRESSBAR = "org.videolan.vlc.gui.ShowProgressBar";
    	    protected static final String ACTION_HIDE_PROGRESSBAR = "org.videolan.vlc.gui.HideProgressBar";
    	    protected static final String ACTION_SHOW_TEXTINFO = "org.videolan.vlc.gui.ShowTextInfo";
    	    public static final String ACTION_SHOW_PLAYER = "org.videolan.vlc.gui.ShowPlayer";
    
    	    private static final String PREF_SHOW_INFO = "show_info";
    	    private static final String PREF_FIRST_RUN = "first_run";
    
    	    private static final int ACTIVITY_RESULT_PREFERENCES = 1;
    	    private static final int ACTIVITY_SHOW_INFOLAYOUT = 2;
    
    	    private ActionBar mActionBar;
    	    private SlidingMenu mMenu;
    	    private SidebarAdapter mSidebarAdapter;
    	    private AudioPlayer mAudioPlayer;
    	    private AudioServiceController mAudioController;
    	    private SlidingPaneLayout mSlidingPane;
    
    	    private View mInfoLayout;
    	    private ProgressBar mInfoProgress;
    	    private TextView mInfoText;
    	    private View mAudioPlayerFilling;
    	    private String mCurrentFragment;
    	    private String mPreviousFragment;
    	    private List<String> secondaryFragments = Arrays.asList("albumsSongs", "equalizer",
    	                                                            "about", "search", "mediaInfo",
    	                                                            "videoGroupList");
    	    private HashMap<String, Fragment> mSecondaryFragments = new HashMap<String, Fragment>();
    
    	    private SharedPreferences mSettings;
    
    	    private int mVersionNumber = -1;
    	    private boolean mFirstRun = false;
    	    private boolean mScanNeeded = true;
    
    	 @Override
    	public void onCreate(Bundle savedInstanceState) {
    		
    		 if (!LibVlcUtil.hasCompatibleCPU(this)) {
    	            Log.e(TAG, LibVlcUtil.getErrorMsg());
    	            Intent i = new Intent(this, CompatErrorActivity.class);
    	            startActivity(i);
    	            finish();
    	            super.onCreate(savedInstanceState);
    	            return;
    	        }
    		 
    		   /* Get the current version from package */
    	        PackageInfo pinfo = null;
    	        try {
    	            pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
    	        } catch (NameNotFoundException e) {
    	            Log.e(TAG, "package info not found.");
    	        }
    	        if (pinfo != null)
    	            mVersionNumber = pinfo.versionCode;
    
    	        /* Get settings */
    	        mSettings = PreferenceManager.getDefaultSharedPreferences(this);
    
    	        /* Check if it's the first run */
    	        mFirstRun = mSettings.getInt(PREF_FIRST_RUN, -1) != mVersionNumber;
    	        if (mFirstRun) {
    	            Editor editor = mSettings.edit();
    	            editor.putInt(PREF_FIRST_RUN, mVersionNumber);
    	            editor.commit();
    	        }
    
    	        try {
    	            // Start LibVLC
    	            Util.getLibVlcInstance();
    	        } catch (LibVlcException e) {
    	            e.printStackTrace();
    	            Intent i = new Intent(this, CompatErrorActivity.class);
    	            i.putExtra("runtimeError", true);
    	            i.putExtra("message", "LibVLC failed to initialize (LibVlcException)");
    	            startActivity(i);
    	            finish();
    	            super.onCreate(savedInstanceState);
    	            return;
    	        }
    	        
    	        super.onCreate(savedInstanceState);
    	        /* Set up the audio player */
    	        mAudioPlayer = new AudioPlayer();
    	        mAudioController = AudioServiceController.getInstance();
    	        mAudioController.addAudioPlayer(mAudioPlayer);
    	        AudioServiceController.getInstance().bindAudioService(this);
    	        //http://192.168.1.196/video/hao.mpg
    	        String filepath="udp://@239.1.1.0:1234";
    		 
    		   mAudioController.load(filepath, false);
    		   mAudioController.play();
    		   VideoPlayerActivity.start(this, filepath);
    	}
    	
    }

重点要阅读类VideoPlayerActivity，里面给出了一些方法等！  
所需要的so文件我们可以把apk解压后获得，

![SouthEast 1][]

在此也很感谢vlc团队将代码开源出来，我们可以根据自己需要进行修改。

[http_blog.csdn.net_cuiran_article_details_35987853]: http://blog.csdn.net/cuiran/article/details/35987853
[vlc-android]: http://blog.csdn.net/cuiran/article/details/30054835
[SouthEast]: /images/20220513/c249cd5925b34e96b0c2f4704bff45d6.png
[SouthEast 1]: /images/20220513/5d18a9a697a34529896e1ae2fd76c04f.png