Media sound bei einer Radio App kontrolieren

1package com.radio.radio;
2
3import android.app.Activity;
4import android.app.AlertDialog;
5
6import com.google.ads.*;
7import com.spoledge.aacplayer.AACFileChunkPlayer;
8import com.spoledge.aacplayer.AACPlayer;
9import com.spoledge.aacplayer.ArrayAACPlayer;
10import com.spoledge.aacplayer.ArrayDecoder;
11import com.spoledge.aacplayer.Decoder;
12import com.spoledge.aacplayer.History;
13import com.spoledge.aacplayer.PlayerCallback;
14
15import android.content.Context;
16import android.content.DialogInterface;
17import android.content.Intent;
18import android.content.ServiceConnection;
19
20import android.media.AudioManager;
21import android.net.ConnectivityManager;
22import android.os.Bundle;
23import android.os.Handler;
24import android.os.MessageQueue.IdleHandler;
25import android.util.Log;
26import android.view.View;
27
28import android.widget.ArrayAdapter;
29import android.widget.AutoCompleteTextView;
30import android.widget.Button;
31import android.widget.EditText;
32import android.widget.ProgressBar;
33import android.widget.SeekBar;
34import android.widget.TextView;
35
36
37
38// This is the main activity.
39
40public class Radio extends Activity implements View.OnClickListener, PlayerCallback {
41
42private History history;
43private AutoCompleteTextView urlView;
44private Button btnFaad2;
45private Button btnFFmpeg;
46private Button btnOpenCORE;
47private Button btnMMSWMA;
48private Button btnStop;
49private TextView txtStatus;
50private TextView txtPlayStatus;
51private EditText txtBufAudio;
52private EditText txtBufDecode;
53private ProgressBar progress;
54private Handler uiHandler;
55private AudioManager mAudioManager;
56
57
58
59 // Decoder features
60private int dfeatures;
61
62private AACPlayer aacPlayer;
63private AACFileChunkPlayer aacFileChunkPlayer;
64
65
66 ////////////////////////////////////////////////////////////////////////////
67 // PlayerCallback
68 ////////////////////////////////////////////////////////////////////////////
69
70 private boolean playerStarted;
71
72 public void playerStarted() {
73 uiHandler.post( new Runnable() {
74 public void run() {
75 txtBufAudio.setEnabled( false );
76 txtBufDecode.setEnabled( false );
77 btnFaad2.setEnabled( false );
78 btnFFmpeg.setEnabled( false );
79 btnOpenCORE.setEnabled( false );
80 btnMMSWMA.setEnabled( false );
81 btnStop.setEnabled( true );
82
83 txtPlayStatus.setText( R.string.text_buffering );
84 progress.setProgress( 0 );
85 progress.setVisibility( View.VISIBLE );
86
87 playerStarted = true;
88 }
89 });
90 }
91
92
93
94
95
96 /**
97 * This method is called periodically by PCMFeed.
98 *
99 * @param isPlaying false means that the PCM data are being buffered,
100 * but the audio is not playing yet
101 *
102 * @param audioBufferSizeMs the buffered audio data expressed in milliseconds of playing
103 * @param audioBufferCapacityMs the total capacity of audio buffer expressed in milliseconds of playing
104 */
105 public void playerPCMFeedBuffer( final boolean isPlaying,
106 final int audioBufferSizeMs, final int audioBufferCapacityMs ) {
107
108 uiHandler.post( new Runnable() {
109 public void run() {
110 progress.setProgress( audioBufferSizeMs * progress.getMax() / audioBufferCapacityMs );
111 if (isPlaying) txtPlayStatus.setText( R.string.text_playing );
112 }
113 });
114 }
115
116
117 public void playerStopped( final int perf ) {
118 uiHandler.post( new Runnable() {
119 public void run() {
120 enableButtons();
121 btnStop.setEnabled( false );
122 txtBufAudio.setEnabled( true );
123 txtBufDecode.setEnabled( true );
124 txtStatus.setText( R.string.text_stopped );
125 txtPlayStatus.setText( "" + perf + " %" );
126 progress.setVisibility( View.INVISIBLE );
127
128 playerStarted = false;
129 }
130 });
131 }
132
133
134 public void playerException( final Throwable t) {
135 uiHandler.post( new Runnable() {
136 public void run() {
137 new AlertDialog.Builder( Radio.this )
138 .setTitle( R.string.text_exception )
139 .setMessage( t.toString())
140 .setNeutralButton( R.string.button_close,
141 new DialogInterface.OnClickListener() {
142 public void onClick( DialogInterface dialog, int id) {
143 dialog.cancel();
144 }
145 }
146 )
147 .show();
148
149 txtStatus.setText( R.string.text_stopped );
150
151 if (playerStarted) playerStopped( 0 );
152 }
153 });
154 }
155
156
157 ////////////////////////////////////////////////////////////////////////////
158 // OnClickListener
159 ////////////////////////////////////////////////////////////////////////////
160
161 /**
162 * Called when a view has been clicked.
163 */
164 public void onClick( View v ) {
165 try {
166 switch (v.getId()) {
167
168 case R.id.view_main_button_faad2:
169 start( Decoder.DECODER_FAAD2 );
170 txtStatus.setText( R.string.text_using_FAAD2 );
171 break;
172
173 case R.id.view_main_button_ffmpeg:
174 start( Decoder.DECODER_FFMPEG );
175 txtStatus.setText( R.string.text_using_FFmpeg );
176 break;
177
178 case R.id.view_main_button_opencore:
179 start( Decoder.DECODER_OPENCORE );
180 txtStatus.setText( R.string.text_using_OpenCORE );
181 break;
182
183 case R.id.view_main_button_mmswma:
184 start( Decoder.DECODER_FFMPEG_WMA );
185 txtStatus.setText( R.string.text_using_MMSWMA );
186 break;
187
188 /*
189 case R.id.view_main_button_file:
190 stop();
191 aacFileChunkPlayer = new AACFileChunkPlayer( getUrl(), 8000, 8000 );
192 aacFileChunkPlayer.start();
193 txtStatus.setText( R.string.text_using_file_chunks );
194 break;
195 */
196
197 case R.id.view_main_button_stop:
198 stop();
199 break;
200 }
201 }
202 catch (Exception e) {
203 Log.e( "Radio", "exc" , e );
204 }
205 }
206
207
208 ////////////////////////////////////////////////////////////////////////////
209 // Protected
210 ////////////////////////////////////////////////////////////////////////////
211
212 @Override
213 protected void onCreate( Bundle savedInstanceState ) {
214 super.onCreate( savedInstanceState );
215
216 setContentView( R.layout.main );
217
218
219 // volume
220 final AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
221 int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
222 int curVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
223 SeekBar volControl = (SeekBar)findViewById(R.id.volbar);
224 volControl.setMax(maxVolume);
225 volControl.setProgress(curVolume);
226 volControl.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
227
228 public void onStopTrackingTouch(SeekBar arg0) {
229 // TODO Auto-generated method stub
230
231 }
232
233 public void onStartTrackingTouch(SeekBar arg0) {
234 // TODO Auto-generated method stub
235
236 }
237
238 public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) {
239 // TODO Auto-generated method stub
240 audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, arg1, 0);
241 }
242 });
243
244 //
245
246
247
248
249 btnFaad2 = (Button) findViewById( R.id.view_main_button_faad2 );
250 btnFFmpeg = (Button) findViewById( R.id.view_main_button_ffmpeg );
251 btnOpenCORE = (Button) findViewById( R.id.view_main_button_opencore );
252 btnMMSWMA = (Button) findViewById( R.id.view_main_button_mmswma );
253 //Button b3 = (Button) findViewById( R.id.view_main_button_file );
254 btnStop = (Button) findViewById( R.id.view_main_button_stop );
255
256 urlView = (AutoCompleteTextView) findViewById( R.id.view_main_edit_url );
257 txtStatus = (TextView) findViewById( R.id.view_main_text_what );
258 txtPlayStatus = (TextView) findViewById( R.id.view_main_text_status );
259 txtBufAudio = (EditText) findViewById( R.id.view_main_text_bufaudio );
260 txtBufDecode = (EditText) findViewById( R.id.view_main_text_bufdecode );
261
262 progress = (ProgressBar) findViewById( R.id.view_main_progress );
263
264 txtBufAudio.setText( String.valueOf( AACPlayer.DEFAULT_AUDIO_BUFFER_CAPACITY_MS ));
265 txtBufDecode.setText( String.valueOf( AACPlayer.DEFAULT_DECODE_BUFFER_CAPACITY_MS ));
266
267 btnFaad2.setOnClickListener( this );
268 btnFFmpeg.setOnClickListener( this );
269 btnOpenCORE.setOnClickListener( this );
270 btnMMSWMA.setOnClickListener( this );
271 //b3.setOnClickListener( this );
272 btnStop.setOnClickListener( this );
273
274 dfeatures = ArrayDecoder.getFeatures();
275
276 enableButtons();
277
278 history = new History( this );
279 history.read();
280
281 if (history.size() == 0 ) {
282 history.addUrl( "/sdcard/local/cro" );
283 }
284
285 urlView.setAdapter( history.getArrayAdapter());
286 uiHandler = new Handler();
287 }
288
289
290 @Override
291 protected void onPause() {
292 super.onPause();
293 history.write();
294 }
295
296
297 @Override
298 protected void onDestroy() {
299 super.onDestroy();
300 stop();
301 }
302
303
304 ////////////////////////////////////////////////////////////////////////////
305 // Private
306 ////////////////////////////////////////////////////////////////////////////
307
308 private void start( int decoder ) {
309 stop();
310 aacPlayer = new ArrayAACPlayer( ArrayDecoder.create( decoder ), this,
311 getInt( txtBufAudio ), getInt( txtBufDecode ));
312 aacPlayer.playAsync( getUrl());
313 }
314
315
316 private void stop() {
317 if (aacFileChunkPlayer != null) { aacFileChunkPlayer.stop(); aacFileChunkPlayer = null; }
318 if (aacPlayer != null) { aacPlayer.stop(); aacPlayer = null; }
319 }
320
321
322 private String getUrl() {
323 String ret = urlView.getText().toString();
324
325 history.addUrl( ret );
326
327 return ret;
328 }
329
330
331 private void enableButtons() {
332 if ((dfeatures & Decoder.DECODER_FAAD2) != 0) btnFaad2.setEnabled( true );
333 if ((dfeatures & Decoder.DECODER_FFMPEG) != 0) btnFFmpeg.setEnabled( true );
334 if ((dfeatures & Decoder.DECODER_OPENCORE) != 0) btnOpenCORE.setEnabled( true );
335 if ((dfeatures & Decoder.DECODER_FFMPEG_WMA) != 0) btnMMSWMA.setEnabled( true );
336 }
337
338
339 private int getInt( EditText et ) {
340 return Integer.parseInt( et.getText().toString());
341 }
342
343
344 public void onReceive(Context context, Intent intent) {
345 // TODO Auto-generated method stub
346
347 }
348
349}