MediaPlayer.java revision 5d55c7119820ee9bb06fc072e416fe98ba77cd28
16acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn/* 26acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Copyright (C) 2006 The Android Open Source Project 36acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 46acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 56acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * you may not use this file except in compliance with the License. 66acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * You may obtain a copy of the License at 76acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 86acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * http://www.apache.org/licenses/LICENSE-2.0 96acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Unless required by applicable law or agreed to in writing, software 116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * distributed under the License is distributed on an "AS IS" BASIS, 126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * See the License for the specific language governing permissions and 146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * limitations under the License. 156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennpackage android.media; 186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.content.ContentResolver; 206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.content.Context; 216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.content.res.AssetFileDescriptor; 226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.net.Uri; 236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.Handler; 246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.Looper; 256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.Message; 266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.Parcel; 276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.ParcelFileDescriptor; 286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.os.PowerManager; 296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.util.Log; 306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.view.Surface; 316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.view.SurfaceHolder; 326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.graphics.Bitmap; 336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport android.media.AudioManager; 346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport java.io.FileDescriptor; 366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport java.io.IOException; 376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport java.util.Set; 386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennimport java.lang.ref.WeakReference; 396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn/** 416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer class can be used to control playback 426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * of audio/video files and streams. An example on how to use the methods in 436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * this class can be found in {@link android.widget.VideoView}. 446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Please see <a href="{@docRoot}guide/topics/media/index.html">Audio and Video</a> 456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * for additional help using MediaPlayer. 466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>Topics covered here are: 486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ol> 496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li><a href="#StateDiagram">State Diagram</a> 506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li><a href="#Valid_and_Invalid_States">Valid and Invalid States</a> 516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li><a href="#Permissions">Permissions</a> 526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ol> 536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <a name="StateDiagram"></a> 556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <h3>State Diagram</h3> 566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>Playback control of audio/video files and streams is managed as a state 586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * machine. The following diagram shows the life cycle and the states of a 596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object driven by the supported playback control operations. 606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * The ovals represent the states a MediaPlayer object may reside 616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in. The arcs represent the playback control operations that drive the object 626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state transition. There are two types of arcs. The arcs with a single arrow 636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * head represent synchronous method calls, while those with 646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a double arrow head represent asynchronous method calls.</p> 656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p><img src="../../../images/mediaplayer_state_diagram.gif" 676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * alt="MediaPlayer State diagram" 686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * border="0" /></p> 696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>From this state diagram, one can see that a MediaPlayer object has the 716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * following states:</p> 726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>When a MediaPlayer object is just created using <code>new</code> or 746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * after {@link #reset()} is called, it is in the <em>Idle</em> state; and after 756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #release()} is called, it is in the <em>End</em> state. Between these 766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * two states is the life cycle of the MediaPlayer object. 776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>There is a subtle but important difference between a newly constructed 796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object and the MediaPlayer object after {@link #reset()} 806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * is called. It is a programming error to invoke methods such 816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * as {@link #getCurrentPosition()}, 826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #getDuration()}, {@link #getVideoHeight()}, 836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #getVideoWidth()}, {@link #setAudioStreamType(int)}, 846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setLooping(boolean)}, 856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setVolume(float, float)}, {@link #pause()}, {@link #start()}, 866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #stop()}, {@link #seekTo(int)}, {@link #prepare()} or 876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #prepareAsync()} in the <em>Idle</em> state for both cases. If any of these 886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * methods is called right after a MediaPlayer object is constructed, 896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the user supplied callback method OnErrorListener.onError() won't be 906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * called by the internal player engine and the object state remains 916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * unchanged; but if these methods are called right after {@link #reset()}, 926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the user supplied callback method OnErrorListener.onError() will be 936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invoked by the internal player engine and the object will be 946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * transfered to the <em>Error</em> state. </li> 956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>It is also recommended that once 966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a MediaPlayer object is no longer being used, call {@link #release()} immediately 976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * so that resources used by the internal player engine associated with the 986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object can be released immediately. Resource may include 996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * singleton resources such as hardware acceleration components and 1006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * failure to call {@link #release()} may cause subsequent instances of 1016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer objects to fallback to software implementations or fail 1026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * altogether. Once the MediaPlayer 1036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object is in the <em>End</em> state, it can no longer be used and 1046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * there is no way to bring it back to any other state. </li> 1056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Furthermore, 1066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the MediaPlayer objects created using <code>new</code> is in the 1076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <em>Idle</em> state, while those created with one 1086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * of the overloaded convenient <code>create</code> methods are <em>NOT</em> 1096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in the <em>Idle</em> state. In fact, the objects are in the <em>Prepared</em> 1106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state if the creation using <code>create</code> method is successful. 1116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 1126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 1136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 1146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>In general, some playback control operation may fail due to various 1156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * reasons, such as unsupported audio/video format, poorly interleaved 1166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * audio/video, resolution too high, streaming timeout, and the like. 1176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Thus, error reporting and recovery is an important concern under 1186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * these circumstances. Sometimes, due to programming errors, invoking a playback 1196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * control operation in an invalid state may also occur. Under all these 1206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * error conditions, the internal player engine invokes a user supplied 1216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * OnErrorListener.onError() method if an OnErrorListener has been 1226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * registered beforehand via 1236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setOnErrorListener(android.media.MediaPlayer.OnErrorListener)}. 1246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 1256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>It is important to note that once an error occurs, the 1266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object enters the <em>Error</em> state (except as noted 1276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * above), even if an error listener has not been registered by the application.</li> 1286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>In order to reuse a MediaPlayer object that is in the <em> 1296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Error</em> state and recover from the error, 1306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #reset()} can be called to restore the object to its <em>Idle</em> 1316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state.</li> 1326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>It is good programming practice to have your application 1336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * register a OnErrorListener to look out for error notifications from 1346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the internal player engine.</li> 1356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>IlleglStateException is 1366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * thrown to prevent programming errors such as calling {@link #prepare()}, 1376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #prepareAsync()}, or one of the overloaded <code>setDataSource 1386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </code> methods in an invalid state. </li> 1396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 1406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 1416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling 1426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setDataSource(FileDescriptor)}, or 1436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setDataSource(String)}, or 1446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setDataSource(Context, Uri)}, or 1456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setDataSource(FileDescriptor, long, long)} transfers a 1466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object in the <em>Idle</em> state to the 1476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <em>Initialized</em> state. 1486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 1496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>An IllegalStateException is thrown if 1506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * setDataSource() is called in any other state.</li> 1516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>It is good programming 1526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * practice to always look out for <code>IllegalArgumentException</code> 1536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * and <code>IOException</code> that may be thrown from the overloaded 1546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <code>setDataSource</code> methods.</li> 1556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 1566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 1576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>A MediaPlayer object must first enter the <em>Prepared</em> state 1586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * before playback can be started. 1596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 1606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>There are two ways (synchronous vs. 1616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * asynchronous) that the <em>Prepared</em> state can be reached: 1626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * either a call to {@link #prepare()} (synchronous) which 1636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * transfers the object to the <em>Prepared</em> state once the method call 1646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * returns, or a call to {@link #prepareAsync()} (asynchronous) which 1656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * first transfers the object to the <em>Preparing</em> state after the 1666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * call returns (which occurs almost right way) while the internal 1676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * player engine continues working on the rest of preparation work 1686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * until the preparation work completes. When the preparation completes or when {@link #prepare()} call returns, 1696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the internal player engine then calls a user supplied callback method, 1706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * onPrepared() of the OnPreparedListener interface, if an 1716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * OnPreparedListener is registered beforehand via {@link 1726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * #setOnPreparedListener(android.media.MediaPlayer.OnPreparedListener)}.</li> 1736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>It is important to note that 1746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the <em>Preparing</em> state is a transient state, and the behavior 1756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * of calling any method with side effect while a MediaPlayer object is 1766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in the <em>Preparing</em> state is undefined.</li> 1776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>An IllegalStateException is 1786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * thrown if {@link #prepare()} or {@link #prepareAsync()} is called in 1796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * any other state.</li> 1806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>While in the <em>Prepared</em> state, properties 1816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * such as audio/sound volume, screenOnWhilePlaying, looping can be 1826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * adjusted by invoking the corresponding set methods.</li> 1836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 1846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 1856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>To start the playback, {@link #start()} must be called. After 1866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #start()} returns successfully, the MediaPlayer object is in the 1876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <em>Started</em> state. {@link #isPlaying()} can be called to test 1886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * whether the MediaPlayer object is in the <em>Started</em> state. 1896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 1906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>While in the <em>Started</em> state, the internal player engine calls 1916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a user supplied OnBufferingUpdateListener.onBufferingUpdate() callback 1926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * method if a OnBufferingUpdateListener has been registered beforehand 1936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * via {@link #setOnBufferingUpdateListener(OnBufferingUpdateListener)}. 1946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * This callback allows applications to keep track of the buffering status 1956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * while streaming audio/video.</li> 1966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling {@link #start()} has not effect 1976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * on a MediaPlayer object that is already in the <em>Started</em> state.</li> 1986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 1996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 2006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Playback can be paused and stopped, and the current playback position 2016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * can be adjusted. Playback can be paused via {@link #pause()}. When the call to 2026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #pause()} returns, the MediaPlayer object enters the 2036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <em>Paused</em> state. Note that the transition from the <em>Started</em> 2046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state to the <em>Paused</em> state and vice versa happens 2056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * asynchronously in the player engine. It may take some time before 2066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the state is updated in calls to {@link #isPlaying()}, and it can be 2076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a number of seconds in the case of streamed content. 2086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 2096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling {@link #start()} to resume playback for a paused 2106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer object, and the resumed playback 2116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * position is the same as where it was paused. When the call to 2126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #start()} returns, the paused MediaPlayer object goes back to 2136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the <em>Started</em> state.</li> 2146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling {@link #pause()} has no effect on 2156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a MediaPlayer object that is already in the <em>Paused</em> state.</li> 2166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 2176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 2186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling {@link #stop()} stops playback and causes a 2196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayer in the <em>Started</em>, <em>Paused</em>, <em>Prepared 2206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </em> or <em>PlaybackCompleted</em> state to enter the 2216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <em>Stopped</em> state. 2226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 2236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Once in the <em>Stopped</em> state, playback cannot be started 2246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * until {@link #prepare()} or {@link #prepareAsync()} are called to set 2256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the MediaPlayer object to the <em>Prepared</em> state again.</li> 2266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Calling {@link #stop()} has no effect on a MediaPlayer 2276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object that is already in the <em>Stopped</em> state.</li> 2286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 2296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 2306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>The playback position can be adjusted with a call to 2316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #seekTo(int)}. 2326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 2336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Although the asynchronuous {@link #seekTo(int)} 2346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * call returns right way, the actual seek operation may take a while to 2356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * finish, especially for audio/video being streamed. When the actual 2366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * seek operation completes, the internal player engine calls a user 2376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * supplied OnSeekComplete.onSeekComplete() if an OnSeekCompleteListener 2386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * has been registered beforehand via 2396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setOnSeekCompleteListener(OnSeekCompleteListener)}.</li> 2406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Please 2416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * note that {@link #seekTo(int)} can also be called in the other states, 2426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * such as <em>Prepared</em>, <em>Paused</em> and <em>PlaybackCompleted 2436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </em> state.</li> 2446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>Furthermore, the actual current playback position 2456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * can be retrieved with a call to {@link #getCurrentPosition()}, which 2466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * is helpful for applications such as a Music player that need to keep 2476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * track of the playback progress.</li> 2486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 2496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </li> 2506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>When the playback reaches the end of stream, the playback completes. 2516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <ul> 2526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>If the looping mode was being set to <var>true</var>with 2536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link #setLooping(boolean)}, the MediaPlayer object shall remain in 2546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the <em>Started</em> state.</li> 2556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>If the looping mode was set to <var>false 2566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </var>, the player engine calls a user supplied callback method, 2576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * OnCompletion.onCompletion(), if a OnCompletionListener is registered 2586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * beforehand via {@link #setOnCompletionListener(OnCompletionListener)}. 2596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * The invoke of the callback signals that the object is now in the <em> 2606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted</em> state.</li> 2616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <li>While in the <em>PlaybackCompleted</em> 2626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state, calling {@link #start()} can restart the playback from the 2636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * beginning of the audio/video source.</li> 2646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </ul> 2656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 2666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 2676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <a name="Valid_and_Invalid_States"></a> 2686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <h3>Valid and invalid states</h3> 2696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 2706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <table border="0" cellspacing="0" cellpadding="0"> 2716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>Method Name </p></td> 2726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Valid Sates </p></td> 2736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Invalid States </p></td> 2746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Comments </p></td></tr> 2756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>getCurrentPosition </p></td> 2766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Started, Paused, Stopped, 2776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted} </p></td> 2786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 2796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change the 2806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state. Calling this method in an invalid state transfers the object 2816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to the <em>Error</em> state. </p></td></tr> 2826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>getDuration </p></td> 2836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Prepared, Started, Paused, Stopped, PlaybackCompleted} </p></td> 2846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Error} </p></td> 2856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change the 2866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state. Calling this method in an invalid state transfers the object 2876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to the <em>Error</em> state. </p></td></tr> 2886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>getVideoHeight </p></td> 2896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Started, Paused, Stopped, 2906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 2916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 2926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change the 2936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * state. Calling this method in an invalid state transfers the object 2946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to the <em>Error</em> state. </p></td></tr> 2956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>getVideoWidth </p></td> 2966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Started, Paused, Stopped, 2976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 2986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 2996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change 3006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the state. Calling this method in an invalid state transfers the 3016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Error</em> state. </p></td></tr> 3026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>isPlaying </p></td> 3036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Started, Paused, Stopped, 3046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 3056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 3066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change 3076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the state. Calling this method in an invalid state transfers the 3086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Error</em> state. </p></td></tr> 3096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>pause </p></td> 3106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Started, Paused}</p></td> 3116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Stopped, PlaybackCompleted, Error}</p></td> 3126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 3136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Paused</em> state. Calling this method in an 3146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state transfers the object to the <em>Error</em> state.</p></td></tr> 3156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>prepare </p></td> 3166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Initialized, Stopped} </p></td> 3176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Prepared, Started, Paused, PlaybackCompleted, Error} </p></td> 3186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 3196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Prepared</em> state. Calling this method in an 3206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state throws an IllegalStateException.</p></td></tr> 3216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>prepareAsync </p></td> 3226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Initialized, Stopped} </p></td> 3236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Prepared, Started, Paused, PlaybackCompleted, Error} </p></td> 3246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 3256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Preparing</em> state. Calling this method in an 3266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state throws an IllegalStateException.</p></td></tr> 3276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>release </p></td> 3286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>After {@link #release()}, the object is no longer available. </p></td></tr> 3316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>reset </p></td> 3326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Prepared, Started, Paused, Stopped, 3336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted, Error}</p></td> 3346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{}</p></td> 3356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>After {@link #reset()}, the object is like being just created.</p></td></tr> 3366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>seekTo </p></td> 3376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Prepared, Started, Paused, PlaybackCompleted} </p></td> 3386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Stopped, Error}</p></td> 3396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change 3406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the state. Calling this method in an invalid state transfers the 3416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Error</em> state. </p></td></tr> 3426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setAudioStreamType </p></td> 3436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Stopped, Prepared, Started, Paused, 3446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 3456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 3466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method does not change the state.</p></td></tr> 3476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setDataSource </p></td> 3486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle} </p></td> 3496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Initialized, Prepared, Started, Paused, Stopped, PlaybackCompleted, 3506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Error} </p></td> 3516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 3526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Initialized</em> state. Calling this method in an 3536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state throws an IllegalStateException.</p></td></tr> 3546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setDisplay </p></td> 3556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setLooping </p></td> 3606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Stopped, Prepared, Started, Paused, 3616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 3626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 3636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state does not change 3646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the state. Calling this method in an 3656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state transfers the object to the <em>Error</em> state.</p></td></tr> 3666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>isLooping </p></td> 3676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setOnBufferingUpdateListener </p></td> 3726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setOnCompletionListener </p></td> 3776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setOnErrorListener </p></td> 3826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setOnPreparedListener </p></td> 3876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setOnSeekCompleteListener </p></td> 3926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 3956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 3966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setScreenOnWhilePlaying</></td> 3976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 3986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 3996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 4006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state. </p></td></tr> 4016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setVolume </p></td> 4026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Stopped, Prepared, Started, Paused, 4036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * PlaybackCompleted}</p></td> 4046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Error}</p></td> 4056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method does not change the state. 4066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>setWakeMode </p></td> 4076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>any </p></td> 4086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{} </p></td> 4096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>This method can be called in any state and calling it does not change 4106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the object state.</p></td></tr> 4116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>start </p></td> 4126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Prepared, Started, Paused, PlaybackCompleted}</p></td> 4136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Stopped, Error}</p></td> 4146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 4156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Started</em> state. Calling this method in an 4166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state transfers the object to the <em>Error</em> state.</p></td></tr> 4176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <tr><td>stop </p></td> 4186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Prepared, Started, Stopped, Paused, PlaybackCompleted}</p></td> 4196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>{Idle, Initialized, Error}</p></td> 4206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <td>Successful invoke of this method in a valid state transfers the 4216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * object to the <em>Stopped</em> state. Calling this method in an 4226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * invalid state transfers the object to the <em>Error</em> state.</p></td></tr> 4236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * </table> 4246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 4256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <a name="Permissions"></a> 4266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <h3>Permissions</h3> 4276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>One may need to declare a corresponding WAKE_LOCK permission {@link 4286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * android.R.styleable#AndroidManifestUsesPermission <uses-permission>} 4296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * element. 4306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 4316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Rennpublic class MediaPlayer 4336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn{ 4346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 4356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Constant to retrieve only the new metadata since the last 4366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn call. 4376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 4386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: add link to getMetadata(boolean, boolean) 4396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn {@hide} 4406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static final boolean METADATA_UPDATE_ONLY = true; 4426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 4446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Constant to retrieve all the metadata. 4456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 4466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: add link to getMetadata(boolean, boolean) 4476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn {@hide} 4486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static final boolean METADATA_ALL = false; 4506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 4526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Constant to enable the metadata filter during retrieval. 4536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 4546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: add link to getMetadata(boolean, boolean) 4556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn {@hide} 4566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static final boolean APPLY_METADATA_FILTER = true; 4586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 4606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Constant to disable the metadata filter during retrieval. 4616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 4626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: add link to getMetadata(boolean, boolean) 4636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn {@hide} 4646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static final boolean BYPASS_METADATA_FILTER = false; 4666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn static { 4686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn System.loadLibrary("media_jni"); 4696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 4706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private final static String TAG = "MediaPlayer"; 4726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // Name of the remote interface for the media player. Must be kept 4736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // in sync with the 2nd parameter of the IMPLEMENT_META_INTERFACE 4746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // macro invocation in IMediaPlayer.cpp 4756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private final static String IMEDIA_PLAYER = "android.media.IMediaPlayer"; 4766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private int mNativeContext; // accessed by native methods 4786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private int mListenerContext; // accessed by native methods 4796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private Surface mSurface; // accessed by native methods 4806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private SurfaceHolder mSurfaceHolder; 4816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private EventHandler mEventHandler; 4826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private PowerManager.WakeLock mWakeLock = null; 4836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private boolean mScreenOnWhilePlaying; 4846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private boolean mStayAwake; 4856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 4876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Default constructor. Consider using one of the create() methods for 4886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * synchronously instantiating a MediaPlayer from a Uri or resource. 4896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>When done with the MediaPlayer, you should call {@link #release()}, 4906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to free the resources. If not released, too many MediaPlayer instances may 4916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * result in an exception.</p> 4926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 4936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public MediaPlayer() { 4946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 4956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Looper looper; 4966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if ((looper = Looper.myLooper()) != null) { 4976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mEventHandler = new EventHandler(this, looper); 4986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } else if ((looper = Looper.getMainLooper()) != null) { 4996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mEventHandler = new EventHandler(this, looper); 5006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } else { 5016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mEventHandler = null; 5026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /* Native setup requires a weak reference to our object. 5056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * It's easier to create it here than in C++. 5066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn native_setup(new WeakReference<MediaPlayer>(this)); 5086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /* 5116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Update the MediaPlayer ISurface. Call after updating mSurface. 5126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _setVideoSurface(); 5146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 5166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Create a request parcel which can be routed to the native media 5176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * player using {@link #invoke(Parcel, Parcel)}. The Parcel 5186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * returned has the proper InterfaceToken set. The caller should 5196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * not overwrite that token, i.e it can only append data to the 5206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Parcel. 5216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return A parcel suitable to hold a request for the native 5236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * player. 5246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public Parcel newRequest() { 5266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Parcel parcel = Parcel.obtain(); 5276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn parcel.writeInterfaceToken(IMEDIA_PLAYER); 5286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return parcel; 5296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 5326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Invoke a generic method on the native player using opaque 5336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * parcels for the request and reply. Both payloads' format is a 5346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * convention between the java caller and the native player. 5356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Must be called after setDataSource to make sure a native player 5366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * exists. 5376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param request Parcel with the data for the extension. The 5396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * caller must use {@link #newRequest()} to get one. 5406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param[out] reply Parcel with the data returned by the 5426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * native player. 5436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The status code see utils/Errors.h 5456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public int invoke(Parcel request, Parcel reply) { 5476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn int retcode = native_invoke(request, reply); 5486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn reply.setDataPosition(0); 5496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return retcode; 5506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 5536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the SurfaceHolder to use for displaying the video portion of the media. 5546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * This call is optional. Not calling it when playing back a video will 5556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * result in only the audio track being played. 5566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param sh the SurfaceHolder to use for video display 5586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void setDisplay(SurfaceHolder sh) { 5606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mSurfaceHolder = sh; 5616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (sh != null) { 5626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mSurface = sh.getSurface(); 5636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } else { 5646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mSurface = null; 5656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _setVideoSurface(); 5676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn updateSurfaceScreenOn(); 5686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 5716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Convenience method to create a MediaPlayer for a given Uri. 5726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * On success, {@link #prepare()} will already have been called and must not be called again. 5736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>When done with the MediaPlayer, you should call {@link #release()}, 5746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to free the resources. If not released, too many MediaPlayer instances will 5756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * result in an exception.</p> 5766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param context the Context to use 5786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param uri the Uri from which to get the datasource 5796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return a MediaPlayer object, or null if creation failed 5806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static MediaPlayer create(Context context, Uri uri) { 5826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return create (context, uri, null); 5836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 5846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 5866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Convenience method to create a MediaPlayer for a given Uri. 5876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * On success, {@link #prepare()} will already have been called and must not be called again. 5886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>When done with the MediaPlayer, you should call {@link #release()}, 5896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to free the resources. If not released, too many MediaPlayer instances will 5906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * result in an exception.</p> 5916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 5926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param context the Context to use 5936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param uri the Uri from which to get the datasource 5946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param holder the SurfaceHolder to use for displaying the video 5956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return a MediaPlayer object, or null if creation failed 5966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 5976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static MediaPlayer create(Context context, Uri uri, SurfaceHolder holder) { 5986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 5996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn try { 6006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn MediaPlayer mp = new MediaPlayer(); 6016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mp.setDataSource(context, uri); 6026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (holder != null) { 6036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mp.setDisplay(holder); 6046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mp.prepare(); 6066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return mp; 6076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (IOException ex) { 6086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (IllegalArgumentException ex) { 6116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (SecurityException ex) { 6146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return null; 6196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 6226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Convenience method to create a MediaPlayer for a given resource id. 6236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * On success, {@link #prepare()} will already have been called and must not be called again. 6246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>When done with the MediaPlayer, you should call {@link #release()}, 6256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to free the resources. If not released, too many MediaPlayer instances will 6266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * result in an exception.</p> 6276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 6286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param context the Context to use 6296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param resid the raw resource id (<var>R.raw.<something></var>) for 6306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the resource to use as the datasource 6316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return a MediaPlayer object, or null if creation failed 6326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 6336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public static MediaPlayer create(Context context, int resid) { 6346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn try { 6356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn AssetFileDescriptor afd = context.getResources().openRawResourceFd(resid); 6366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (afd == null) return null; 6376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn MediaPlayer mp = new MediaPlayer(); 6396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mp.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength()); 6406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn afd.close(); 6416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mp.prepare(); 6426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return mp; 6436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (IOException ex) { 6446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (IllegalArgumentException ex) { 6476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (SecurityException ex) { 6506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "create failed:", ex); 6516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // fall through 6526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return null; 6546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 6576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the data source as a content Uri. 6586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 6596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param context the Context to use when resolving the Uri 6606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param uri the Content URI of the data you want to play 6616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 6626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 6636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void setDataSource(Context context, Uri uri) 6646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn throws IOException, IllegalArgumentException, SecurityException, IllegalStateException { 6656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn String scheme = uri.getScheme(); 6676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if(scheme == null || scheme.equals("file")) { 6686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn setDataSource(uri.getPath()); 6696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 6706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 6726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn AssetFileDescriptor fd = null; 6736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn try { 6746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn ContentResolver resolver = context.getContentResolver(); 6756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn fd = resolver.openAssetFileDescriptor(uri, "r"); 6766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (fd == null) { 6776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 6786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // Note: using getDeclaredLength so that our behavior is the same 6806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // as previous versions when the content provider is returning 6816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // a full file. 6826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (fd.getDeclaredLength() < 0) { 6836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn setDataSource(fd.getFileDescriptor()); 6846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } else { 6856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn setDataSource(fd.getFileDescriptor(), fd.getStartOffset(), fd.getDeclaredLength()); 6866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 6886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (SecurityException ex) { 6896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } catch (IOException ex) { 6906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } finally { 6916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (fd != null) { 6926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn fd.close(); 6936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.d(TAG, "Couldn't open file on client side, trying server side"); 6966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn setDataSource(uri.toString()); 6976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 6986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 6996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the data source (file-path or http/rtsp URL) to use. 7026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param path the path of the file, or the http/rtsp URL of the stream you want to play 7046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void setDataSource(String path) throws IOException, IllegalArgumentException, IllegalStateException; 7076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the data source (FileDescriptor) to use. It is the caller's responsibility 7106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to close the file descriptor. It is safe to do so as soon as this call returns. 7116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param fd the FileDescriptor for the file you want to play 7136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void setDataSource(FileDescriptor fd) 7166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn throws IOException, IllegalArgumentException, IllegalStateException { 7176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // intentionally less than LONG_MAX 7186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn setDataSource(fd, 0, 0x7ffffffffffffffL); 7196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 7206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the data source (FileDescriptor) to use. It is the caller's responsibility 7236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to close the file descriptor. It is safe to do so as soon as this call returns. 7246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param fd the FileDescriptor for the file you want to play 7266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param offset the offset into the file where the data to be played starts, in bytes 7276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param length the length in bytes of the data to be played 7286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void setDataSource(FileDescriptor fd, long offset, long length) 7316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn throws IOException, IllegalArgumentException, IllegalStateException; 7326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Prepares the player for playback, synchronously. 7356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * After setting the datasource and the display surface, you need to either 7376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * call prepare() or prepareAsync(). For files, it is OK to call prepare(), 7386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * which blocks until MediaPlayer is ready for playback. 7396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void prepare() throws IOException, IllegalStateException; 7436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Prepares the player for playback, asynchronously. 7466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * After setting the datasource and the display surface, you need to either 7486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * call prepare() or prepareAsync(). For streams, you should call prepareAsync(), 7496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * which returns immediately, rather than blocking until enough data has been 7506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * buffered. 7516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void prepareAsync() throws IllegalStateException; 7556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Starts or resumes playback. If playback had previously been paused, 7586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * playback will continue from where it was paused. If playback had 7596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * been stopped, or never started before, playback will start at the 7606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * beginning. 7616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if it is called in an invalid state 7636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void start() throws IllegalStateException { 7656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(true); 7666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _start(); 7676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 7686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _start() throws IllegalStateException; 7706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Stops playback after playback has been stopped or paused. 7736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if the internal player engine has not been 7756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * initialized. 7766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void stop() throws IllegalStateException { 7786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(false); 7796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _stop(); 7806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 7816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _stop() throws IllegalStateException; 7836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Pauses playback. Call start() to resume. 7866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 7876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if the internal player engine has not been 7886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * initialized. 7896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 7906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void pause() throws IllegalStateException { 7916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(false); 7926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _pause(); 7936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 7946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _pause() throws IllegalStateException; 7966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 7976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 7986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Set the low-level power management behavior for this MediaPlayer. This 7996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * can be used when the MediaPlayer is not playing through a SurfaceHolder 8006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * set with {@link #setDisplay(SurfaceHolder)} and thus can use the 8016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * high-level {@link #setScreenOnWhilePlaying(boolean)} feature. 8026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * <p>This function has the MediaPlayer access the low-level power manager 8046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * service to control the device's power usage while playing is occurring. 8056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * The parameter is a combination of {@link android.os.PowerManager} wake flags. 8066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Use of this method requires {@link android.Manifest.permission#WAKE_LOCK} 8076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * permission. 8086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * By default, no attempt is made to keep the device awake during playback. 8096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param context the Context to use 8116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param mode the power/wake mode to set 8126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @see android.os.PowerManager 8136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void setWakeMode(Context context, int mode) { 8156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn boolean washeld = false; 8166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mWakeLock != null) { 8176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mWakeLock.isHeld()) { 8186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn washeld = true; 8196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock.release(); 8206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock = null; 8226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE); 8256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock = pm.newWakeLock(mode|PowerManager.ON_AFTER_RELEASE, MediaPlayer.class.getName()); 8266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock.setReferenceCounted(false); 8276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (washeld) { 8286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock.acquire(); 8296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 8336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Control whether we should use the attached SurfaceHolder to keep the 8346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * screen on while video playback is occurring. This is the preferred 8356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * method over {@link #setWakeMode} where possible, since it doesn't 8366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * require that the application have permission for low-level wake lock 8376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * access. 8386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param screenOn Supply true to keep the screen on, false to allow it 8406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * to turn off. 8416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void setScreenOnWhilePlaying(boolean screenOn) { 8436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mScreenOnWhilePlaying != screenOn) { 8446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mScreenOnWhilePlaying = screenOn; 8456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn updateSurfaceScreenOn(); 8466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private void stayAwake(boolean awake) { 8506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mWakeLock != null) { 8516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (awake && !mWakeLock.isHeld()) { 8526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock.acquire(); 8536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } else if (!awake && mWakeLock.isHeld()) { 8546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mWakeLock.release(); 8556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mStayAwake = awake; 8586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn updateSurfaceScreenOn(); 8596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private void updateSurfaceScreenOn() { 8626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mSurfaceHolder != null) { 8636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mSurfaceHolder.setKeepScreenOn(mScreenOnWhilePlaying && mStayAwake); 8646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 8666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 8686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Returns the width of the video. 8696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return the width of the video, or 0 if there is no video, 8716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * no display surface was set, or prepare()/prepareAsync() 8726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * have not completed yet 8736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native int getVideoWidth(); 8756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 8776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Returns the height of the video. 8786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return the height of the video, or 0 if there is no video, 8806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * no display surface was set, or prepare()/prepareAsync() 8816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * have not completed yet 8826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native int getVideoHeight(); 8846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 8866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Checks whether the MediaPlayer is playing. 8876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return true if currently playing, false otherwise 8896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native boolean isPlaying(); 8916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 8926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 8936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Seeks to specified time position. 8946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 8956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param msec the offset in milliseconds from the start to seek to 8966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @throws IllegalStateException if the internal player engine has not been 8976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * initialized 8986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 8996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void seekTo(int msec) throws IllegalStateException; 9006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 9026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Gets the current playback position. 9036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return the current position in milliseconds 9056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 9066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native int getCurrentPosition(); 9076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 9096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Gets the duration of the file. 9106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return the duration in milliseconds 9126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 9136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native int getDuration(); 9146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 9166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Gets the media metadata. 9176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param update_only controls whether the full set of available 9196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * metadata is returned or just the set that changed since the 9206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * last call. See {@see #METADATA_UPDATE_ONLY} and {@see 9216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * #METADATA_ALL}. 9226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param apply_filter if true only metadata that matches the 9246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * filter is returned. See {@see #APPLY_METADATA_FILTER} and {@see 9256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * #BYPASS_METADATA_FILTER}. 9266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The metadata, possibly empty. null if an error occured. 9286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 9296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@hide} 9306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 9316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public Metadata getMetadata(final boolean update_only, 9326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn final boolean apply_filter) { 9336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Parcel reply = Parcel.obtain(); 9346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Metadata data = new Metadata(); 9356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (!native_getMetadata(update_only, apply_filter, reply)) { 9376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn reply.recycle(); 9386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return null; 9396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // Metadata takes over the parcel, don't recycle it unless 9426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // there is an error. 9436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (!data.parse(reply)) { 9446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn reply.recycle(); 9456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return null; 9466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return data; 9486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 9516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Set a filter for the metadata update notification and update 9526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * retrieval. The caller provides 2 set of metadata keys, allowed 9536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * and blocked. The blocked set always takes precedence over the 9546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * allowed one. 9556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Metadata.MATCH_ALL and Metadata.MATCH_NONE are 2 sets available as 9566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * shorthands to allow/block all or no metadata. 9576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * By default, there is no filter set. 9596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param allow Is the set of metadata the client is interested 9616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in receiving new notifications for. 9626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param block Is the set of metadata the client is not interested 9636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in receiving new notifications for. 9646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The call status code. 9656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 9666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // FIXME: unhide. 9676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@hide} 9686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 9696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public int setMetadataFilter(Set<Integer> allow, Set<Integer> block) { 9706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // Do our serialization manually instead of calling 9716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // Parcel.writeArray since the sets are made of the same type 9726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // we avoid paying the price of calling writeValue (used by 9736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // writeArray) which burns an extra int per element to encode 9746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // the type. 9756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Parcel request = newRequest(); 9766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // The parcel starts already with an interface token. There 9786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // are 2 filters. Each one starts with a 4bytes number to 9796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // store the len followed by a number of int (4 bytes as well) 9806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // representing the metadata type. 9816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn int capacity = request.dataSize() + 4 * (1 + allow.size() + 1 + block.size()); 9826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (request.dataCapacity() < capacity) { 9846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn request.setDataCapacity(capacity); 9856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn request.writeInt(allow.size()); 9886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn for(Integer t: allow) { 9896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn request.writeInt(t); 9906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn request.writeInt(block.size()); 9926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn for(Integer t: block) { 9936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn request.writeInt(t); 9946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return native_setMetadataFilter(request); 9966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 9976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 9986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 9996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Releases resources associated with this MediaPlayer object. 10006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * It is considered good practice to call this method when you're 10016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * done using the MediaPlayer. 10026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void release() { 10046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(false); 10056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn updateSurfaceScreenOn(); 10066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnPreparedListener = null; 10076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnBufferingUpdateListener = null; 10086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnCompletionListener = null; 10096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnSeekCompleteListener = null; 10106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnErrorListener = null; 10116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnInfoListener = null; 10126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnVideoSizeChangedListener = null; 10136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _release(); 10146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 10156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _release(); 10176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Resets the MediaPlayer to its uninitialized state. After calling 10206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * this method, you will have to initialize it again by setting the 10216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * data source and calling prepare(). 10226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void reset() { 10246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(false); 10256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn _reset(); 10266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn // make sure none of the listeners get called anymore 10276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mEventHandler.removeCallbacksAndMessages(null); 10286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 10296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native void _reset(); 10316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the audio stream type for this MediaPlayer. See {@link AudioManager} 10346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * for a list of stream types. 10356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 10366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param streamtype the audio stream type 10376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @see android.media.AudioManager 10386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void setAudioStreamType(int streamtype); 10406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the player to be looping or non-looping. 10436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 10446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param looping whether to loop or not 10456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void setLooping(boolean looping); 10476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Checks whether the MediaPlayer is looping or non-looping. 10506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 10516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return true if the MediaPlayer is currently looping, false otherwise 10526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native boolean isLooping(); 10546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Sets the volume on this player. 10576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * This API is recommended for balancing the output of audio streams 10586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * within an application. Unless you are writing an application to 10596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * control user settings, this API should be used in preference to 10606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * {@link AudioManager#setStreamVolume(int, int, int)} which sets the volume of ALL streams of 10616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * a particular type. Note that the passed volume values are raw scalars. 10626acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * UI controls should be scaled logarithmically. 10636acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * 10646acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param leftVolume left volume scalar 10656acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param rightVolume right volume scalar 10666acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10676acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native void setVolume(float leftVolume, float rightVolume); 10686acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10696acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10706acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Currently not implemented, returns null. 10716acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @deprecated 10726acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @hide 10736acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10746acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public native Bitmap getFrameAt(int msec) throws IllegalStateException; 10756acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10766acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10776acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param request Parcel destinated to the media player. The 10786acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * Interface token must be set to the IMediaPlayer 10796acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * one to be routed correctly through the system. 10806acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param reply[out] Parcel that will contain the reply. 10816acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The status code. 10826acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10836acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native final int native_invoke(Parcel request, Parcel reply); 10846acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10856acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 10866acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 10876acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param update_only If true fetch only the set of metadata that have 10886acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * changed since the last invocation of getMetadata. 10896acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * The set is built using the unfiltered 10906acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * notifications the native player sent to the 10916acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * MediaPlayerService during that period of 10926acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * time. If false, all the metadatas are considered. 10936acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param apply_filter If true, once the metadata set has been built based on 10946acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * the value update_only, the current filter is applied. 10956acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param reply[out] On return contains the serialized 10966acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * metadata. Valid only if the call was successful. 10976acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The status code. 10986acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 10996acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native final boolean native_getMetadata(boolean update_only, 11006acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn boolean apply_filter, 11016acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Parcel reply); 11026acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11036acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /** 11046acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @param request Parcel with the 2 serialized lists of allowed 11056acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * metadata types followed by the one to be 11066acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * dropped. Each list starts with an integer 11076acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * indicating the number of metadata type elements. 11086acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * @return The status code. 11096acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 11106acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native final int native_setMetadataFilter(Parcel request); 11116acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11126acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native final void native_setup(Object mediaplayer_this); 11136acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private native final void native_finalize(); 11146acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11156acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn @Override 11166acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn protected void finalize() { native_finalize(); } 11176acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11186acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn /* Do not change these values without updating their counterparts 11196acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn * in include/media/mediaplayer.h! 11206acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn */ 11216acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_NOP = 0; // interface test message 11226acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_PREPARED = 1; 11236acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_PLAYBACK_COMPLETE = 2; 11246acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_BUFFERING_UPDATE = 3; 11256acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_SEEK_COMPLETE = 4; 11266acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_SET_VIDEO_SIZE = 5; 11276acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_ERROR = 100; 11286acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private static final int MEDIA_INFO = 200; 11296acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11306acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private class EventHandler extends Handler 11316acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn { 11326acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn private MediaPlayer mMediaPlayer; 11336acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11346acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public EventHandler(MediaPlayer mp, Looper looper) { 11356acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn super(looper); 11366acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mMediaPlayer = mp; 11376acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 11386acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11396acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn @Override 11406acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn public void handleMessage(Message msg) { 11416acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mMediaPlayer.mNativeContext == 0) { 11426acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn Log.w(TAG, "mediaplayer went away with unhandled events"); 11436acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 11446acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn } 11456acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn switch(msg.what) { 11466acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn case MEDIA_PREPARED: 11476acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mOnPreparedListener != null) 11486acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnPreparedListener.onPrepared(mMediaPlayer); 11496acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 11506acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11516acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn case MEDIA_PLAYBACK_COMPLETE: 11526acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mOnCompletionListener != null) 11536acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnCompletionListener.onCompletion(mMediaPlayer); 11546acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn stayAwake(false); 11556acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 11566acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 11576acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn case MEDIA_BUFFERING_UPDATE: 11586acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn if (mOnBufferingUpdateListener != null) 11596acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn mOnBufferingUpdateListener.onBufferingUpdate(mMediaPlayer, msg.arg1); 11606acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn return; 11616acb9a7ea3d7564944e12cbc73a857b88c1301eeMarius Renn 1162 case MEDIA_SEEK_COMPLETE: 1163 if (mOnSeekCompleteListener != null) 1164 mOnSeekCompleteListener.onSeekComplete(mMediaPlayer); 1165 return; 1166 1167 case MEDIA_SET_VIDEO_SIZE: 1168 if (mOnVideoSizeChangedListener != null) 1169 mOnVideoSizeChangedListener.onVideoSizeChanged(mMediaPlayer, msg.arg1, msg.arg2); 1170 return; 1171 1172 case MEDIA_ERROR: 1173 // For PV specific error values (msg.arg2) look in 1174 // opencore/pvmi/pvmf/include/pvmf_return_codes.h 1175 Log.e(TAG, "Error (" + msg.arg1 + "," + msg.arg2 + ")"); 1176 boolean error_was_handled = false; 1177 if (mOnErrorListener != null) { 1178 error_was_handled = mOnErrorListener.onError(mMediaPlayer, msg.arg1, msg.arg2); 1179 } 1180 if (mOnCompletionListener != null && ! error_was_handled) { 1181 mOnCompletionListener.onCompletion(mMediaPlayer); 1182 } 1183 stayAwake(false); 1184 return; 1185 1186 case MEDIA_INFO: 1187 // For PV specific code values (msg.arg2) look in 1188 // opencore/pvmi/pvmf/include/pvmf_return_codes.h 1189 Log.i(TAG, "Info (" + msg.arg1 + "," + msg.arg2 + ")"); 1190 if (mOnInfoListener != null) { 1191 mOnInfoListener.onInfo(mMediaPlayer, msg.arg1, msg.arg2); 1192 } 1193 // No real default action so far. 1194 return; 1195 1196 case MEDIA_NOP: // interface test message - ignore 1197 break; 1198 1199 default: 1200 Log.e(TAG, "Unknown message type " + msg.what); 1201 return; 1202 } 1203 } 1204 } 1205 1206 /** 1207 * Called from native code when an interesting event happens. This method 1208 * just uses the EventHandler system to post the event back to the main app thread. 1209 * We use a weak reference to the original MediaPlayer object so that the native 1210 * code is safe from the object disappearing from underneath it. (This is 1211 * the cookie passed to native_setup().) 1212 */ 1213 private static void postEventFromNative(Object mediaplayer_ref, 1214 int what, int arg1, int arg2, Object obj) 1215 { 1216 MediaPlayer mp = (MediaPlayer)((WeakReference)mediaplayer_ref).get(); 1217 if (mp == null) { 1218 return; 1219 } 1220 1221 if (mp.mEventHandler != null) { 1222 Message m = mp.mEventHandler.obtainMessage(what, arg1, arg2, obj); 1223 mp.mEventHandler.sendMessage(m); 1224 } 1225 } 1226 1227 /** 1228 * Interface definition for a callback to be invoked when the media 1229 * source is ready for playback. 1230 */ 1231 public interface OnPreparedListener 1232 { 1233 /** 1234 * Called when the media file is ready for playback. 1235 * 1236 * @param mp the MediaPlayer that is ready for playback 1237 */ 1238 void onPrepared(MediaPlayer mp); 1239 } 1240 1241 /** 1242 * Register a callback to be invoked when the media source is ready 1243 * for playback. 1244 * 1245 * @param listener the callback that will be run 1246 */ 1247 public void setOnPreparedListener(OnPreparedListener listener) 1248 { 1249 mOnPreparedListener = listener; 1250 } 1251 1252 private OnPreparedListener mOnPreparedListener; 1253 1254 /** 1255 * Interface definition for a callback to be invoked when playback of 1256 * a media source has completed. 1257 */ 1258 public interface OnCompletionListener 1259 { 1260 /** 1261 * Called when the end of a media source is reached during playback. 1262 * 1263 * @param mp the MediaPlayer that reached the end of the file 1264 */ 1265 void onCompletion(MediaPlayer mp); 1266 } 1267 1268 /** 1269 * Register a callback to be invoked when the end of a media source 1270 * has been reached during playback. 1271 * 1272 * @param listener the callback that will be run 1273 */ 1274 public void setOnCompletionListener(OnCompletionListener listener) 1275 { 1276 mOnCompletionListener = listener; 1277 } 1278 1279 private OnCompletionListener mOnCompletionListener; 1280 1281 /** 1282 * Interface definition of a callback to be invoked indicating buffering 1283 * status of a media resource being streamed over the network. 1284 */ 1285 public interface OnBufferingUpdateListener 1286 { 1287 /** 1288 * Called to update status in buffering a media stream. 1289 * 1290 * @param mp the MediaPlayer the update pertains to 1291 * @param percent the percentage (0-100) of the buffer 1292 * that has been filled thus far 1293 */ 1294 void onBufferingUpdate(MediaPlayer mp, int percent); 1295 } 1296 1297 /** 1298 * Register a callback to be invoked when the status of a network 1299 * stream's buffer has changed. 1300 * 1301 * @param listener the callback that will be run. 1302 */ 1303 public void setOnBufferingUpdateListener(OnBufferingUpdateListener listener) 1304 { 1305 mOnBufferingUpdateListener = listener; 1306 } 1307 1308 private OnBufferingUpdateListener mOnBufferingUpdateListener; 1309 1310 /** 1311 * Interface definition of a callback to be invoked indicating 1312 * the completion of a seek operation. 1313 */ 1314 public interface OnSeekCompleteListener 1315 { 1316 /** 1317 * Called to indicate the completion of a seek operation. 1318 * 1319 * @param mp the MediaPlayer that issued the seek operation 1320 */ 1321 public void onSeekComplete(MediaPlayer mp); 1322 } 1323 1324 /** 1325 * Register a callback to be invoked when a seek operation has been 1326 * completed. 1327 * 1328 * @param listener the callback that will be run 1329 */ 1330 public void setOnSeekCompleteListener(OnSeekCompleteListener listener) 1331 { 1332 mOnSeekCompleteListener = listener; 1333 } 1334 1335 private OnSeekCompleteListener mOnSeekCompleteListener; 1336 1337 /** 1338 * Interface definition of a callback to be invoked when the 1339 * video size is first known or updated 1340 */ 1341 public interface OnVideoSizeChangedListener 1342 { 1343 /** 1344 * Called to indicate the video size 1345 * 1346 * @param mp the MediaPlayer associated with this callback 1347 * @param width the width of the video 1348 * @param height the height of the video 1349 */ 1350 public void onVideoSizeChanged(MediaPlayer mp, int width, int height); 1351 } 1352 1353 /** 1354 * Register a callback to be invoked when the video size is 1355 * known or updated. 1356 * 1357 * @param listener the callback that will be run 1358 */ 1359 public void setOnVideoSizeChangedListener(OnVideoSizeChangedListener listener) 1360 { 1361 mOnVideoSizeChangedListener = listener; 1362 } 1363 1364 private OnVideoSizeChangedListener mOnVideoSizeChangedListener; 1365 1366 /* Do not change these values without updating their counterparts 1367 * in include/media/mediaplayer.h! 1368 */ 1369 /** Unspecified media player error. 1370 * @see android.media.MediaPlayer.OnErrorListener 1371 */ 1372 public static final int MEDIA_ERROR_UNKNOWN = 1; 1373 1374 /** Media server died. In this case, the application must release the 1375 * MediaPlayer object and instantiate a new one. 1376 * @see android.media.MediaPlayer.OnErrorListener 1377 */ 1378 public static final int MEDIA_ERROR_SERVER_DIED = 100; 1379 1380 /** The video is streamed and its container is not valid for progressive 1381 * playback i.e the video's index (e.g moov atom) is not at the start of the 1382 * file. 1383 * @see android.media.MediaPlayer.OnErrorListener 1384 */ 1385 public static final int MEDIA_ERROR_NOT_VALID_FOR_PROGRESSIVE_PLAYBACK = 200; 1386 1387 /** 1388 * Interface definition of a callback to be invoked when there 1389 * has been an error during an asynchronous operation (other errors 1390 * will throw exceptions at method call time). 1391 */ 1392 public interface OnErrorListener 1393 { 1394 /** 1395 * Called to indicate an error. 1396 * 1397 * @param mp the MediaPlayer the error pertains to 1398 * @param what the type of error that has occurred: 1399 * <ul> 1400 * <li>{@link #MEDIA_ERROR_UNKNOWN} 1401 * <li>{@link #MEDIA_ERROR_SERVER_DIED} 1402 * </ul> 1403 * @param extra an extra code, specific to the error. Typically 1404 * implementation dependant. 1405 * @return True if the method handled the error, false if it didn't. 1406 * Returning false, or not having an OnErrorListener at all, will 1407 * cause the OnCompletionListener to be called. 1408 */ 1409 boolean onError(MediaPlayer mp, int what, int extra); 1410 } 1411 1412 /** 1413 * Register a callback to be invoked when an error has happened 1414 * during an asynchronous operation. 1415 * 1416 * @param listener the callback that will be run 1417 */ 1418 public void setOnErrorListener(OnErrorListener listener) 1419 { 1420 mOnErrorListener = listener; 1421 } 1422 1423 private OnErrorListener mOnErrorListener; 1424 1425 1426 /* Do not change these values without updating their counterparts 1427 * in include/media/mediaplayer.h! 1428 */ 1429 /** Unspecified media player info. 1430 * @see android.media.MediaPlayer.OnInfoListener 1431 */ 1432 public static final int MEDIA_INFO_UNKNOWN = 1; 1433 1434 /** The video is too complex for the decoder: it can't decode frames fast 1435 * enough. Possibly only the audio plays fine at this stage. 1436 * @see android.media.MediaPlayer.OnInfoListener 1437 */ 1438 public static final int MEDIA_INFO_VIDEO_TRACK_LAGGING = 700; 1439 1440 /** Bad interleaving means that a media has been improperly interleaved or 1441 * not interleaved at all, e.g has all the video samples first then all the 1442 * audio ones. Video is playing but a lot of disk seeks may be happening. 1443 * @see android.media.MediaPlayer.OnInfoListener 1444 */ 1445 public static final int MEDIA_INFO_BAD_INTERLEAVING = 800; 1446 1447 /** The media cannot be seeked (e.g live stream) 1448 * @see android.media.MediaPlayer.OnInfoListener 1449 */ 1450 public static final int MEDIA_INFO_NOT_SEEKABLE = 801; 1451 1452 /** A new set of metadata is available. 1453 * @see android.media.MediaPlayer.OnInfoListener 1454 */ 1455 public static final int MEDIA_INFO_METADATA_UPDATE = 802; 1456 1457 /** 1458 * Interface definition of a callback to be invoked to communicate some 1459 * info and/or warning about the media or its playback. 1460 */ 1461 public interface OnInfoListener 1462 { 1463 /** 1464 * Called to indicate an info or a warning. 1465 * 1466 * @param mp the MediaPlayer the info pertains to. 1467 * @param what the type of info or warning. 1468 * <ul> 1469 * <li>{@link #MEDIA_INFO_UNKNOWN} 1470 * <li>{@link #MEDIA_INFO_VIDEO_TRACK_LAGGING} 1471 * <li>{@link #MEDIA_INFO_BAD_INTERLEAVING} 1472 * <li>{@link #MEDIA_INFO_NOT_SEEKABLE} 1473 * <li>{@link #MEDIA_INFO_METADATA_UPDATE} 1474 * </ul> 1475 * @param extra an extra code, specific to the info. Typically 1476 * implementation dependant. 1477 * @return True if the method handled the info, false if it didn't. 1478 * Returning false, or not having an OnErrorListener at all, will 1479 * cause the info to be discarded. 1480 */ 1481 boolean onInfo(MediaPlayer mp, int what, int extra); 1482 } 1483 1484 /** 1485 * Register a callback to be invoked when an info/warning is available. 1486 * 1487 * @param listener the callback that will be run 1488 */ 1489 public void setOnInfoListener(OnInfoListener listener) 1490 { 1491 mOnInfoListener = listener; 1492 } 1493 1494 private OnInfoListener mOnInfoListener; 1495} 1496