前言
我的小程序实现了用VLC的解码库播放远程RTSP流，并实现远程控制
- 前期准备
- 下载NDK 地址：谷歌官方地址
- clone vlc的的源码并编译成功 编译及源码下载详细请参考 VLC的官方wiki
- 将vlc-android/libs/下拷贝到你的工程下合并libs目录
- 需要将下图的vlc-android目录下的源码移植到自己的工程下
layout的xml文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.test.MainActivity" >
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<EditText
android:id="@+id/ip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_weight="20"
android:maxLines="1"
android:singleLine="true" />
<Button
android:id="@+id/con"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="0dp"
android:layout_toRightOf="@+id/ip"
android:layout_weight="1"
android:text= "连接" />
</LinearLayout>
<SurfaceView
android:id="@+id/surfaceView1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="50dp" />
</RelativeLayout>
主要要代码
package com.example.test;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.Socket;
import java.net.UnknownHostException;
import org.videolan.libvlc.EventHandler;
import org.videolan.libvlc.IVideoPlayer;
import org.videolan.libvlc.LibVLC;
import org.videolan.libvlc.LibVlcException;
import org.videolan.libvlc.LibVlcUtil;
import org.videolan.libvlc.Media;
import org.videolan.vlc.util.VLCInstance;
import org.videolan.vlc.util.WeakHandler;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.graphics.ImageFormat;
import android.graphics.PixelFormat;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.PreferenceManager;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.SurfaceView;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class MainActivity extends Activity implements IVideoPlayer{
String TAG = "Lee";
private SurfaceView surfaceView;
private SurfaceHolder surfaceHolder;
private String mLocation;
private LibVLC mLibVLC;
private int savedIndexPosition = -1;
private int mLastAudioTrack = -1;
private int mLastSpuTrack = -2;
private AudioManager mAudioManager;
private int mAudioMax;
private SharedPreferences mSettings;
private static final int SURFACE_BEST_FIT = 0;
private static final int SURFACE_FIT_HORIZONTAL = 1;
private static final int SURFACE_FIT_VERTICAL = 2;
private static final int SURFACE_FILL = 3;
private static final int SURFACE_16_9 = 4;
private static final int SURFACE_4_3 = 5;
private static final int SURFACE_ORIGINAL = 6;
private int mCurrentSize = SURFACE_BEST_FIT;
private boolean mIsPlaying;
private int mVideoHeight;
<span style="white-space:pre"> </span>private int mVideoWidth;
<span style="white-space:pre"> </span>private int mSarNum;
<span style="white-space:pre"> </span>private int mSarDen;
<span style="white-space:pre"> </span>private int mSurfaceAlign;
<span style="white-space:pre"> </span>private static final int OVERLAY_TIMEOUT = 4000;
<span style="white-space:pre"> </span>private static final int OVERLAY_INFINITE = 3600000;
<span style="white-space:pre"> </span>private static final int FADE_OUT = 1;
<span style="white-space:pre"> </span>private static final int SHOW_PROGRESS = 2;
<span style="white-space:pre"> </span>private static final int SURFACE_SIZE = 3;
<span style="white-space:pre"> </span>private static final int AUDIO_SERVICE_CONNECTION_SUCCESS = 5;
<span style="white-space:pre"> </span>private static final int AUDIO_SERVICE_CONNECTION_FAILED = 6;
<span style="white-space:pre"> </span>private static final int FADE_OUT_INFO = 4;
<span style="white-space:pre"> </span>private EventHandler eventandler;
/*socket 连接控制部分*/
private Socket clientSocket = null;
private OutputStream outStream = null;
<span style="white-space:pre"> </span>int x = 0;
<span style="white-space:pre"> </span>int y = 0;
<span style="white-space:pre"> </span>int action = -1;
<span style="white-space:pre"> </span>int hostw = 0;
<span style="white-space:pre"> </span>int hosth = 0;
<span style="white-space:pre"> </span>int surfx = 0;
<span style="white-space:pre"> </span>int surfy = 0;
<span style="white-space:pre"> </span>byte[] msgBuffer = null;
<span style="white-space:pre"> </span>String out = null;
boolean change = false;
boolean connected = false;
DisplayMetrics dm = null;
public static Context instance;
private SendThread mSendThread = null;
<span style="white-space:pre"> </span>private String ip_adress;
private EditText ip;
<span style="white-space:pre"> </span>private Button con;
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
// TODO Auto-generated method stub
x = (int) ev.getX() - surfx;
y = (int) ev.getY() - surfy;
action = ev.getAction();
if ( x < 0 || y < 0 || x > hostw || y > hosth) {
change = false;
} else
change = true;
String out = Integer.toString(hostw) + ";"
+ Integer.toString(hosth) + ";"
+ Integer.toString(action) + ";"
+ Integer.toString(x) + ";"
+ Integer.toString(y) ;
try {
msgBuffer = out.getBytes("utf-8");
if(change && connected){
outStream = clientSocket.getOutputStream();
outStream.write(msgBuffer);
Log.e("Send", "Send msg:" + out);;
}
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return super.dispatchTouchEvent(ev);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
instance = this;
final InputMethodManager inputmanger = (InputMethodManager) getSystemService(instance.INPUT_METHOD_SERVICE);
ip = (EditText) findViewById(R.id.ip);
con = (Button) findViewById(R.id.con);
dm = new DisplayMetrics();
surfaceView = (SurfaceView) findViewById(R.id.surfaceView1);
surfaceHolder = surfaceView.getHolder();
surfaceHolder.addCallback(mSurfaceCallback);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
surfaceView.setKeepScreenOn(true);
SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
int pitch;
String chroma = pref.getString("chroma_format", "");
if(LibVlcUtil.isGingerbreadOrLater() && chroma.equals("YV12")) {
surfaceHolder.setFormat(ImageFormat.YV12);
pitch = ImageFormat.getBitsPerPixel(ImageFormat.YV12) / 8;
} else if (chroma.equals("RV16")) {
surfaceHolder.setFormat(PixelFormat.RGB_565);
PixelFormat info = new PixelFormat();
PixelFormat.getPixelFormatInfo(PixelFormat.RGB_565, info);
pitch = info.bytesPerPixel;
} else {
surfaceHolder.setFormat(PixelFormat.RGBX_8888);
PixelFormat info = new PixelFormat();
PixelFormat.getPixelFormatInfo(PixelFormat.RGBX_8888, info);
pitch = info.bytesPerPixel;
}
mSurfaceAlign = 16 / pitch - 1;
try {
mLibVLC = VLCInstance.getLibVlcInstance();
} catch (LibVlcException e) {
Log.i(TAG, "LibVLC.getInstance() error:"+e.toString());
e.printStackTrace();
return ;
}
mLibVLC.eventVideoPlayerActivityCreated(true);
eventandler = EventHandler.getInstance();
eventandler.addHandler(mEventHandler);
con.setOnClickListener(new Button.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
ip_adress = ip.getText().toString();
<span style="white-space:pre"> </span>mSendThread = new SendThread();
<span style="white-space:pre"> </span>mSendThread.start();
inputmanger.hideSoftInputFromWindow(ip.getWindowToken(), 0);
}
});
ip.setOnEditorActionListener(new EditText.OnEditorActionListener() {
@Override
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// TODO Auto-generated method stub
if (actionId == EditorInfo.IME_ACTION_DONE) {
inputmanger.hideSoftInputFromWindow(ip.getWindowToken(), 0);
ip_adress = ip.getText().toString();
mLocation = "rtsp://" + ip_adress + ":8554/h263ESVideoTest";
mSendThread = new SendThread();
mSendThread.start();
return true;
}
return false;
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public class SendThread extends Thread
{
@Override
public void run() {
try {
clientSocket = new Socket(ip_adress,8888);
Log.e(TAG, "连接成功");
connected = true;
con.setClickable(false);
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
connected = false;
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
connected = false;
e.printStackTrace();
}
String path = "rtsp://172.16.32.14:8554/h263ESVideoTest";
String rtspurl = "rtsp://" + ip_adress + ":8554/h263ESVideoTest";
// pathUri = LibVLC.getInstance().nativeToURI(path);
// mLocation = LibVLC.PathToURI("/sdcard/boot.mp4");
// Log.e(TAG, "start rtsp");
if (connected) {
mLibVLC.setMediaList();
mLibVLC.getMediaList().add(new Media(mLibVLC, rtspurl));
savedIndexPosition = mLibVLC.getMediaList().size() - 1;
mLibVLC.playIndex(savedIndexPosition);
}
};
}
private final VideoEventHandler mEventHandler = new VideoEventHandler(this);
private final Handler mHandler = new VideoPlayerHandler(this);
private static class VideoPlayerHandler extends WeakHandler<MainActivity> {
public VideoPlayerHandler(MainActivity owner) {
super(owner);
}
@Override
public void handleMessage(Message msg) {
MainActivity activity = getOwner();
if(activity == null) // WeakReference could be GC'ed early
return;
switch (msg.what) {
case SURFACE_SIZE:
activity.changeSurfaceSize();
break;
}
}
};
@Override
public void setSurfaceSize(int width, int height, int visible_width,
int visible_height, int sar_num, int sar_den) {
// TODO Auto-generated method stub
if (width * height == 0)
return;
// store video size
mVideoHeight = height;
mVideoWidth = width;
mSarNum = sar_num;
mSarDen = sar_den;
Message msg = mHandler.obtainMessage(SURFACE_SIZE);
mHandler.sendMessage(msg);
}
private final SurfaceHolder.Callback mSurfaceCallback = new Callback() {
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if(format == PixelFormat.RGBX_8888)
Log.d(TAG, "Pixel format is RGBX_8888");
else if(format == PixelFormat.RGB_565)
Log.d(TAG, "Pixel format is RGB_565");
else if(format == ImageFormat.YV12)
Log.d(TAG, "Pixel format is YV12");
else
Log.d(TAG, "Pixel format is other/unknown");
if(mLibVLC != null){
mLibVLC.attachSurface(surfaceHolder.getSurface(), MainActivity.this);
}
Log.e(TAG, "Surface changed");
int xy[] = new int[2] ;
surfaceView.getLocationOnScreen(xy);
Log.e(TAG, "x: " + xy[0] + ", Y: " + xy[1]);
surfx = xy[0];
surfy = xy[1];
hosth = surfaceView.getHeight();
hostw = surfaceView.getWidth();
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
if(mLibVLC != null)
mLibVLC.detachSurface();
}
};
public static Context getMainContex() {
return instance;
}
class VideoEventHandler extends WeakHandler<MainActivity>{
public VideoEventHandler(MainActivity owner) {
super(owner);
}
@Override
public void handleMessage(Message msg) {
MainActivity activity = getOwner();
if(activity == null) return;
switch (msg.getData().getInt("event")) {
case EventHandler.MediaPlayerPlaying:
Log.i(TAG, "MediaPlayerPlaying");
mIsPlaying = true;
break;
case EventHandler.MediaPlayerPaused:
Log.i(TAG, "MediaPlayerPaused");
mIsPlaying = false;
break;
case EventHandler.MediaPlayerStopped:
Log.i(TAG, "MediaPlayerStopped");
mIsPlaying = false;
break;
case EventHandler.MediaPlayerEndReached:
Log.i(TAG, "MediaPlayerEndReached");
break;
case EventHandler.MediaPlayerVout:
break;
default:
Log.e(TAG, String.format("Event not handled (0x%x)", msg.getData().getInt("event")));
break;
}
super.handleMessage(msg);
}
}
private void changeSurfaceSize() {
// get screen size
int dw = surfaceView.getWidth();
int dh = surfaceView.getHeight();
// getWindow().getDecorView() doesn't always take orientation into account, we have to correct the values
boolean isPortrait = getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT;
if (dw > dh && isPortrait || dw < dh && !isPortrait) {
int d = dw;
dw = dh;
dh = d;
}
// sanity check
if (dw * dh == 0 || mVideoWidth * mVideoHeight == 0) {
Log.e(TAG, "Invalid surface size");
return;
}
// compute the aspect ratio
double ar, vw;
double density = (double)mSarNum / (double)mSarDen;
if (density == 1.0) {
/* No indication about the density, assuming 1:1 */
vw = mVideoWidth;
ar = (double)mVideoWidth / (double)mVideoHeight;
} else {
/* Use the specified aspect ratio */
vw = mVideoWidth * density;
ar = vw / mVideoHeight;
}
// compute the display aspect ratio
double dar = (double) dw / (double) dh;
switch (mCurrentSize) {
case SURFACE_BEST_FIT:
if (dar < ar)
dh = (int) (dw / ar);
else
dw = (int) (dh * ar);
break;
case SURFACE_FIT_HORIZONTAL:
dh = (int) (dw / ar);
break;
case SURFACE_FIT_VERTICAL:
dw = (int) (dh * ar);
break;
case SURFACE_FILL:
break;
case SURFACE_16_9:
ar = 16.0 / 9.0;
if (dar < ar)
dh = (int) (dw / ar);
else
dw = (int) (dh * ar);
break;
case SURFACE_4_3:
ar = 4.0 / 3.0;
if (dar < ar)
dh = (int) (dw / ar);
else
dw = (int) (dh * ar);
break;
case SURFACE_ORIGINAL:
dh = mVideoHeight;
dw = (int) vw;
break;
}
// align width on 16bytes
int alignedWidth = (mVideoWidth + mSurfaceAlign) & ~mSurfaceAlign;
// force surface buffer size
surfaceHolder.setFixedSize(alignedWidth, mVideoHeight);
// set display size
LayoutParams lp = surfaceView.getLayoutParams();
lp.width = dw * alignedWidth / mVideoWidth;
lp.height = dh;
surfaceView.setLayoutParams(lp);
surfaceView.invalidate();
}
}
备注：
1. mLibVLC = LibVLC.getInstance(); 用来获取mLIbVLC的实例，其中会初始化LibVLC，在AndroidManifest.xml中要添加android:name="org.videolan.vlc.VLCApplication"这样程序启动时会调用VLCApplication使其生成实例，不会导致LibVLC.getInstance()出错。
2.
本Demo实际与ARM-V7a编译的
String path = "rtsp://172.16.32.14:8554/h263ESVideoTest"; 是网络串流地址
如果播放本地视频请使用
mLocation = LibVLC.PathToURI("/sdcard/boot.mp4");转义为VLC可识别的Uri
3.具体的源码可参考
另：本demo还实现了向服务端同步本地的touch事件
