NativeMedia.java revision eae4df541ba1d46f65d37e959baf2127aa632c93
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.example.nativemedia; 18 19import android.app.Activity; 20import android.media.MediaPlayer.OnPreparedListener; 21import android.media.MediaPlayer; 22import android.net.Uri; 23import android.os.Bundle; 24import android.util.Log; 25import android.view.Surface; 26import android.view.SurfaceHolder; 27import android.view.SurfaceView; 28import android.view.View.OnClickListener; 29import android.view.View; 30import android.widget.Button; 31import java.io.IOException; 32 33public class NativeMedia extends Activity { 34 public static final String TAG = "NativeMedia"; 35 36 static boolean isPlayingStreaming = false; 37 MediaPlayer mp; 38 SurfaceView javaSurfaceView; 39 SurfaceView openmaxalSurfaceView; 40 SurfaceHolder javaHolder; 41 SurfaceHolder openmaxalHolder; 42 43 /** Called when the activity is first created. */ 44 @Override 45 public void onCreate(Bundle icicle) { 46 super.onCreate(icicle); 47 setContentView(R.layout.main); 48 49 // initialize native media system 50 51 createEngine(); 52 53 javaSurfaceView = (SurfaceView) findViewById(R.id.java_surface); 54 openmaxalSurfaceView = (SurfaceView) findViewById(R.id.openmaxal_surface); 55 56 javaHolder = javaSurfaceView.getHolder(); 57 openmaxalHolder = openmaxalSurfaceView.getHolder(); 58 59 openmaxalHolder.addCallback(new SurfaceHolder.Callback() { 60 61 public void surfaceChanged(SurfaceHolder holder, int format, 62 int width, int height) { 63 Log.v(TAG, "surfaceChanged format=" + format + ", width=" + width + ", height=" + 64 height); 65 } 66 67 public void surfaceCreated(SurfaceHolder holder) { 68 Log.v(TAG, "surfaceCreated"); 69 setSurface(holder.getSurface()); 70 Log.v(TAG, "surfaceCreated 2"); 71 } 72 73 public void surfaceDestroyed(SurfaceHolder holder) { 74 Log.v(TAG, "surfaceDestroyed"); 75 } 76 77 }); 78 79 openmaxalHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 80 81 ((Button) findViewById(R.id.java_player)).setOnClickListener(new OnClickListener() { 82 public void onClick(View view) { 83 mp.setOnPreparedListener(new OnPreparedListener() { 84 public void onPrepared(MediaPlayer xy) { 85 int width = xy.getVideoWidth(); 86 int height = xy.getVideoHeight(); 87 Log.v(TAG, "onPrepared width=" + width + ", height=" + height); 88 if (width!=0 && height!=0) { 89 javaHolder.setFixedSize(width, height); 90 xy.setOnVideoSizeChangedListener( 91 new MediaPlayer.OnVideoSizeChangedListener() { 92 public void onVideoSizeChanged(MediaPlayer ab, int width, 93 int height) { 94 int w2 = ab.getVideoWidth(); 95 int h2 = ab.getVideoHeight(); 96 Log.v(TAG, "onVideoSizeChanged width=" + w2 + " (" + width + 97 "), height=" + h2 + " (" + height + ")"); 98 if (w2 != 0 && h2 != 0) { 99 javaHolder.setFixedSize(w2, h2); 100 } 101 } 102 }); 103 xy.start(); 104 105 } 106 } 107 }); 108 mp.prepareAsync(); 109 110 } 111 }); 112 113 // initialize button click handlers 114 115 ((Button) findViewById(R.id.openmaxal_player)).setOnClickListener(new OnClickListener() { 116 boolean created = false; 117 public void onClick(View view) { 118 if (!created) { 119 created = createStreamingMediaPlayer("/sdcard/videos/ts/bar.ts"); 120 } else { 121 isPlayingStreaming = !isPlayingStreaming; 122 setPlayingStreamingMediaPlayer(isPlayingStreaming); 123 } 124 } 125 }); 126 127 mp = new MediaPlayer(); 128 mp.setDisplay(javaHolder); 129 try { 130 mp.setDataSource("/sdcard/videos/burnAfterReading.m4v"); 131 } catch (IOException e) { 132 133 } 134 135 } 136 137 /** Called when the activity is about to be paused. */ 138 @Override 139 protected void onPause() 140 { 141 isPlayingStreaming = false; 142 setPlayingStreamingMediaPlayer(false); 143 super.onPause(); 144 } 145 146 /** Called when the activity is about to be destroyed. */ 147 @Override 148 protected void onDestroy() 149 { 150 shutdown(); 151 super.onDestroy(); 152 } 153 154 /** Native methods, implemented in jni folder */ 155 public static native void createEngine(); 156 public static native boolean createStreamingMediaPlayer(String filename); 157 public static native void setPlayingStreamingMediaPlayer(boolean isPlaying); 158 public static native void shutdown(); 159 public static native void setSurface(Surface surface); 160 161 /** Load jni .so on initialization */ 162 static { 163 System.loadLibrary("native-media-jni"); 164 } 165 166} 167