1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.effectstest; 18 19 import android.content.Context; 20 import android.content.res.AssetFileDescriptor; 21 import android.os.Bundle; 22 import android.util.Log; 23 import android.view.KeyEvent; 24 import android.view.Menu; 25 import android.view.View.OnClickListener; 26 import android.view.View; 27 import android.view.ViewGroup; 28 import android.widget.Button; 29 import android.widget.TextView; 30 import android.widget.EditText; 31 import android.widget.SeekBar; 32 import android.widget.ToggleButton; 33 import android.widget.CompoundButton; 34 import android.widget.CompoundButton.OnCheckedChangeListener; 35 import android.widget.ImageButton; 36 import android.widget.ImageView; 37 import android.media.AudioManager; 38 import android.media.MediaPlayer; 39 import java.nio.ByteOrder; 40 import java.nio.ByteBuffer; 41 import java.io.IOException; 42 import java.util.HashMap; 43 import java.util.Map; 44 45 public class SimplePlayer implements OnClickListener { 46 47 private final static String TAG = "SimplePlayer"; 48 49 int mPlayPauseButtonId; 50 int mStopButtonId; 51 Context mContext; 52 ImageView mPlayPauseButton; 53 int mPlayImageResource; 54 int mPauseImageResource; 55 String mFileName; 56 int mFileResId; 57 MediaPlayer mMediaPlayer; 58 int mStreamType; 59 int mSession; 60 float mSendLevel = (float)0.5; 61 int mEffectId = 0; 62 TextView mSessionText; 63 64 SimplePlayer(Context context, int playPausebuttonId, ImageView playPausebutton, 65 int stopButtonId, ImageView stopButton, TextView sessionText, String fileName, int stream, int session) 66 { 67 set(context, playPausebuttonId, playPausebutton, stopButtonId, stopButton, sessionText, stream, session); 68 mFileName = fileName; 69 } 70 71 SimplePlayer(Context context, int playPausebuttonId, ImageView playPausebutton, 72 int stopButtonId, ImageView stopButton, TextView sessionText, int fileResId, int stream, int session) { 73 set(context, playPausebuttonId, playPausebutton, stopButtonId, stopButton, sessionText, stream, session); 74 mFileResId = fileResId; 75 mFileName = ""; 76 } 77 78 public void set(Context context, int playPausebuttonId, ImageView playPausebutton, 79 int stopButtonId, ImageView stopButton, TextView sessionText, int stream, int session) { 80 mContext = context; 81 mPlayPauseButtonId = playPausebuttonId; 82 mStopButtonId = stopButtonId; 83 mPlayPauseButton = (ImageButton) playPausebutton; 84 ImageButton stop = (ImageButton) stopButton; 85 86 mPlayPauseButton.setOnClickListener(this); 87 mPlayPauseButton.requestFocus(); 88 stop.setOnClickListener(this); 89 90 mPlayImageResource = android.R.drawable.ic_media_play; 91 mPauseImageResource = android.R.drawable.ic_media_pause; 92 mStreamType = stream; 93 mSession = session; 94 mSessionText = sessionText; 95 } 96 97 98 public void onClick(View v) { 99 if (v.getId() == mPlayPauseButtonId) { 100 playOrPause(); 101 } else if (v.getId() == mStopButtonId) { 102 stop(); 103 } 104 } 105 106 public void playOrPause() { 107 if (mMediaPlayer == null || !mMediaPlayer.isPlaying()){ 108 if (mMediaPlayer == null) { 109 try { 110 mMediaPlayer = new MediaPlayer(); 111 if (mSession != 0) { 112 mMediaPlayer.setAudioSessionId(mSession); 113 Log.d(TAG, "mMediaPlayer.setAudioSessionId(): "+ mSession); 114 } 115 116 if (mFileName.equals("")) { 117 Log.d(TAG, "Playing from resource"); 118 AssetFileDescriptor afd = mContext.getResources().openRawResourceFd(mFileResId); 119 mMediaPlayer.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength()); 120 afd.close(); 121 } else { 122 Log.d(TAG, "Playing file: "+mFileName); 123 mMediaPlayer.setDataSource(mFileName); 124 } 125 mMediaPlayer.setAudioStreamType(mStreamType); 126 mMediaPlayer.prepare(); 127 mMediaPlayer.setLooping(true); 128 } catch (IOException ex) { 129 Log.e(TAG, "mMediaPlayercreate failed:", ex); 130 mMediaPlayer = null; 131 } catch (IllegalArgumentException ex) { 132 Log.e(TAG, "mMediaPlayercreate failed:", ex); 133 mMediaPlayer = null; 134 } catch (SecurityException ex) { 135 Log.e(TAG, "mMediaPlayercreate failed:", ex); 136 mMediaPlayer = null; 137 } 138 139 if (mMediaPlayer != null) { 140 mMediaPlayer.setAuxEffectSendLevel(mSendLevel); 141 mMediaPlayer.attachAuxEffect(mEffectId); 142 mMediaPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() { 143 public void onCompletion(MediaPlayer mp) { 144 updatePlayPauseButton(); 145 } 146 }); 147 mSessionText.setText("Session: "+Integer.toString(mMediaPlayer.getAudioSessionId())); 148 } 149 } 150 if (mMediaPlayer != null) { 151 mMediaPlayer.start(); 152 } 153 } else { 154 mMediaPlayer.pause(); 155 } 156 updatePlayPauseButton(); 157 } 158 159 public void stop() { 160 if (mMediaPlayer != null) { 161 mMediaPlayer.stop(); 162 mMediaPlayer.release(); 163 mMediaPlayer = null; 164 } 165 updatePlayPauseButton(); 166 } 167 168 public boolean isPlaying() { 169 if (mMediaPlayer != null) { 170 return mMediaPlayer.isPlaying(); 171 } else { 172 return false; 173 } 174 } 175 176 public void updatePlayPauseButton() { 177 mPlayPauseButton.setImageResource(isPlaying() ? mPauseImageResource : mPlayImageResource); 178 } 179 180 public void attachAuxEffect(int effectId) { 181 mEffectId = effectId; 182 if (mMediaPlayer != null) { 183 Log.d(TAG,"attach effect: "+effectId); 184 mMediaPlayer.attachAuxEffect(effectId); 185 } 186 } 187 public void setAuxEffectSendLevel(float level) { 188 mSendLevel = level; 189 if (mMediaPlayer != null) { 190 mMediaPlayer.setAuxEffectSendLevel(level); 191 } 192 } 193 194 public void setContext(Context context) { 195 mContext = context; 196 } 197 } 198
