List of usage examples for android.media AudioManager PROPERTY_OUTPUT_SAMPLE_RATE
String PROPERTY_OUTPUT_SAMPLE_RATE
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From source file:com.duongnx.ndk.examples.activities.NativeAudioActivity.java
/** * Called when the activity is first created. *//* ww w . j a v a2 s . c o m*/ @Override @TargetApi(17) protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.activity_native_audio); setTitle(Defines.NATIVE_AUDIO); assetManager = getAssets(); // initialize native audio system createEngine(); int sampleRate = 0; int bufSize = 0; /* * retrieve fast audio path sample rate and buf size; if we have it, we pass to native * side to create a player with fast audio enabled [ fast audio == low latency audio ]; * IF we do not have a fast audio path, we pass 0 for sampleRate, which will force native * side to pick up the 8Khz sample rate. */ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { AudioManager myAudioMgr = (AudioManager) getSystemService(Context.AUDIO_SERVICE); String nativeParam = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE); sampleRate = Integer.parseInt(nativeParam); nativeParam = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER); bufSize = Integer.parseInt(nativeParam); } createBufferQueueAudioPlayer(sampleRate, bufSize); // initialize URI spinner Spinner uriSpinner = (Spinner) findViewById(R.id.uri_spinner); ArrayAdapter<CharSequence> uriAdapter = ArrayAdapter.createFromResource(this, R.array.uri_spinner_array, android.R.layout.simple_spinner_item); uriAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); uriSpinner.setAdapter(uriAdapter); uriSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { URI = parent.getItemAtPosition(pos).toString(); } public void onNothingSelected(AdapterView parent) { URI = null; } }); // initialize button click handlers ((Button) findViewById(R.id.hello)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_HELLO, 5); } }); ((Button) findViewById(R.id.android)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_ANDROID, 7); } }); ((Button) findViewById(R.id.sawtooth)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_SAWTOOTH, 1); } }); ((Button) findViewById(R.id.reverb)).setOnClickListener(new OnClickListener() { boolean enabled = false; public void onClick(View view) { enabled = !enabled; if (!enableReverb(enabled)) { enabled = !enabled; } } }); ((Button) findViewById(R.id.embedded_soundtrack)).setOnClickListener(new OnClickListener() { boolean created = false; public void onClick(View view) { if (!created) { created = createAssetAudioPlayer(assetManager, "background.mp3"); } if (created) { isPlayingAsset = !isPlayingAsset; setPlayingAssetAudioPlayer(isPlayingAsset); } } }); // native uriPlayer is broken in android 21 and over, internal bug id: b/29321867 // will re-open after it is fixed in later OSes if (Build.VERSION.SDK_INT <= 19) { ((Button) findViewById(R.id.uri_soundtrack)).setOnClickListener(new OnClickListener() { boolean created = false; public void onClick(View view) { if (!created && URI != null) { created = createUriAudioPlayer(URI); } } }); ((Button) findViewById(R.id.pause_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { setPlayingUriAudioPlayer(false); } }); ((Button) findViewById(R.id.play_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { setPlayingUriAudioPlayer(true); } }); ((Button) findViewById(R.id.loop_uri)).setOnClickListener(new OnClickListener() { boolean isLooping = false; public void onClick(View view) { isLooping = !isLooping; setLoopingUriAudioPlayer(isLooping); } }); ((Button) findViewById(R.id.mute_left_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setChannelMuteUriAudioPlayer(0, muted); } }); ((Button) findViewById(R.id.mute_right_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setChannelMuteUriAudioPlayer(1, muted); } }); ((Button) findViewById(R.id.solo_left_uri)).setOnClickListener(new OnClickListener() { boolean soloed = false; public void onClick(View view) { soloed = !soloed; setChannelSoloUriAudioPlayer(0, soloed); } }); ((Button) findViewById(R.id.solo_right_uri)).setOnClickListener(new OnClickListener() { boolean soloed = false; public void onClick(View view) { soloed = !soloed; setChannelSoloUriAudioPlayer(1, soloed); } }); ((Button) findViewById(R.id.mute_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setMuteUriAudioPlayer(muted); } }); ((Button) findViewById(R.id.enable_stereo_position_uri)).setOnClickListener(new OnClickListener() { boolean enabled = false; public void onClick(View view) { enabled = !enabled; enableStereoPositionUriAudioPlayer(enabled); } }); ((Button) findViewById(R.id.channels_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { if (numChannelsUri == 0) { numChannelsUri = getNumChannelsUriAudioPlayer(); } Toast.makeText(NativeAudioActivity.this, "Channels: " + numChannelsUri, Toast.LENGTH_SHORT) .show(); } }); ((SeekBar) findViewById(R.id.volume_uri)).setOnSeekBarChangeListener(new OnSeekBarChangeListener() { int lastProgress = 100; public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (BuildConfig.DEBUG && !(progress >= 0 && progress <= 100)) { throw new AssertionError(); } lastProgress = progress; } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { int attenuation = 100 - lastProgress; int millibel = attenuation * -50; setVolumeUriAudioPlayer(millibel); } }); ((SeekBar) findViewById(R.id.pan_uri)).setOnSeekBarChangeListener(new OnSeekBarChangeListener() { int lastProgress = 100; public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (BuildConfig.DEBUG && !(progress >= 0 && progress <= 100)) { throw new AssertionError(); } lastProgress = progress; } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { int permille = (lastProgress - 50) * 20; setStereoPositionUriAudioPlayer(permille); } }); } else { int[] uriIds = { R.id.uri_soundtrack, R.id.pause_uri, R.id.play_uri, R.id.loop_uri, R.id.mute_left_uri, R.id.mute_right_uri, R.id.solo_left_uri, R.id.solo_right_uri, R.id.mute_uri, R.id.enable_stereo_position_uri, R.id.channels_uri, R.id.volume_uri, R.id.pan_uri, R.id.uri_spinner, }; for (int id : uriIds) findViewById(id).setVisibility(View.GONE); } ((Button) findViewById(R.id.record)).setOnClickListener(new OnClickListener() { public void onClick(View view) { int status = ActivityCompat.checkSelfPermission(NativeAudioActivity.this, Manifest.permission.RECORD_AUDIO); if (status != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(NativeAudioActivity.this, new String[] { Manifest.permission.RECORD_AUDIO }, AUDIO_ECHO_REQUEST); return; } recordAudio(); } }); ((Button) findViewById(R.id.playback)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_PLAYBACK, 3); } }); }
From source file:com.example.nativeaudio.NativeAudio.java
/** Called when the activity is first created. */ @Override//w w w . j ava2s.c o m @TargetApi(17) protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.main); Log.d(TAG, "onCreate ----------- "); assetManager = getAssets(); /* Ctrl+O ? Ctrl+I ? Ctrl+N /? Ctrl+Shift+N Ctrl+Shift+ALt+N ? Ctrl+Space ??? Ctrl+Shift+Space ? Ctrl+Shift+Enter (? ?; ) Ctrl+P ?? Alt+Enter ?/?/ Ctrl+J ?? ( for foreach Toast system.out.println) logm logr loge */ // initialize native audio system createEngine(); int sampleRate = 0; int bufSize = 0; /* * retrieve fast audio path sample rate and buf size; if we have it, we pass to native * side to create a player with fast audio enabled [ fast audio == low latency audio ]; * IF we do not have a fast audio path, we pass 0 for sampleRate, which will force native * side to pick up the 8Khz sample rate. */ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { AudioManager myAudioMgr = (AudioManager) getSystemService(Context.AUDIO_SERVICE); String nativeParam = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE); sampleRate = Integer.parseInt(nativeParam); nativeParam = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER); bufSize = Integer.parseInt(nativeParam); // buffer? PackageManager pm = getPackageManager(); boolean claimsFeature = pm.hasSystemFeature(PackageManager.FEATURE_AUDIO_LOW_LATENCY); // ?5 OUTPUT_SAMPLE_RATE = 48000 OUTPUT_FRAMES_PER_BUFFER = 192 FEATURE_AUDIO_LOW_LATENCY = false // MTK MT6735 OUTPUT_SAMPLE_RATE = 44100 OUTPUT_FRAMES_PER_BUFFER = 1024 FEATURE_AUDIO_LOW_LATENCY = false Log.d(TAG, "OUTPUT_SAMPLE_RATE = " + sampleRate + " OUTPUT_FRAMES_PER_BUFFER = " + bufSize + " FEATURE_AUDIO_LOW_LATENCY = " + claimsFeature); } // buffer queue AudioPlayer Demo createBufferQueueAudioPlayer(sampleRate, bufSize); // initialize URI spinner Spinner uriSpinner = (Spinner) findViewById(R.id.uri_spinner); ArrayAdapter<CharSequence> uriAdapter = ArrayAdapter.createFromResource(this, R.array.local_uri_spinner_array, /* R.array.uri_spinner_array, */ android.R.layout.simple_spinner_item); uriAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); uriSpinner.setAdapter(uriAdapter); uriSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { URI = parent.getItemAtPosition(pos).toString(); /* ? ? <string-array name="uri_spinner_array"> <item>http://upload.wikimedia.org/wikipedia/commons/6/6d/Banana.ogg</item> <item>http://www.freesound.org/data/previews/18/18765_18799-lq.mp3</item> </string-array> */ } public void onNothingSelected(AdapterView parent) { URI = null; } }); // initialize button click handlers ((Button) findViewById(R.id.hello)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_HELLO, 2); } }); ((Button) findViewById(R.id.android)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_ANDROID, 7); } }); ((Button) findViewById(R.id.sawtooth)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_SAWTOOTH, 1); } }); ((Button) findViewById(R.id.reverb)).setOnClickListener(new OnClickListener() { boolean enabled = false; public void onClick(View view) { enabled = !enabled; if (!enableReverb(enabled)) { enabled = !enabled; } } }); // AssertManager APK?mp3 // ((Button) findViewById(R.id.embedded_soundtrack)).setOnClickListener(new OnClickListener() { boolean created = false; public void onClick(View view) { if (!created) { created = createAssetAudioPlayer(assetManager, "withus.mp3"); } if (created) { // URI AudioPlayer Demo ? // URI AudioPlayer Demo ? ?play pause // Assert/fd AudioPlayer Demo ? isPlayingAsset = !isPlayingAsset; setPlayingAssetAudioPlayer(isPlayingAsset); } } }); ((Button) findViewById(R.id.uri_soundtrack)).setOnClickListener(new OnClickListener() { boolean created = false; public void onClick(View view) { if (!created && URI != null) { Log.d(TAG, " uri_soundtrack create URI Audio Player URI " + URI); //URI = "file:///mnt/sdcard/xxx.3gp" ; //URI = "file:///mnt/sdcard/Banana.ogg" ; created = createUriAudioPlayer(URI); } } }); ((Button) findViewById(R.id.pause_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { Log.d(TAG, " setPlayingUriAudioPlayer pause URI "); setPlayingUriAudioPlayer(false); } }); ((Button) findViewById(R.id.play_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { Log.d(TAG, " setPlayingUriAudioPlayer play URI "); setPlayingUriAudioPlayer(true); } }); ((Button) findViewById(R.id.loop_uri)).setOnClickListener(new OnClickListener() { boolean isLooping = false; public void onClick(View view) { isLooping = !isLooping; setLoopingUriAudioPlayer(isLooping); } }); ((Button) findViewById(R.id.mute_left_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setChannelMuteUriAudioPlayer(0, muted); } }); ((Button) findViewById(R.id.mute_right_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setChannelMuteUriAudioPlayer(1, muted); } }); ((Button) findViewById(R.id.solo_left_uri)).setOnClickListener(new OnClickListener() { boolean soloed = false; public void onClick(View view) { soloed = !soloed; setChannelSoloUriAudioPlayer(0, soloed); } }); ((Button) findViewById(R.id.solo_right_uri)).setOnClickListener(new OnClickListener() { boolean soloed = false; public void onClick(View view) { soloed = !soloed; setChannelSoloUriAudioPlayer(1, soloed); } }); ((Button) findViewById(R.id.mute_uri)).setOnClickListener(new OnClickListener() { boolean muted = false; public void onClick(View view) { muted = !muted; setMuteUriAudioPlayer(muted); } }); /* * ???? ? Stereo Panning * https://developer.android.com/ndk/guides/audio/opensl-prog-notes.html#panning * * */ ((Button) findViewById(R.id.enable_stereo_position_uri)).setOnClickListener(new OnClickListener() { boolean enabled = false; public void onClick(View view) { enabled = !enabled; enableStereoPositionUriAudioPlayer(enabled); } }); // ?? ?AudioPlayer ??? ?SetPlayState??? ((Button) findViewById(R.id.channels_uri)).setOnClickListener(new OnClickListener() { public void onClick(View view) { if (numChannelsUri == 0) { numChannelsUri = getNumChannelsUriAudioPlayer(); } Toast.makeText(NativeAudio.this, "Channels: " + numChannelsUri, Toast.LENGTH_SHORT).show(); } }); // ?? ((SeekBar) findViewById(R.id.volume_uri)).setOnSeekBarChangeListener(new OnSeekBarChangeListener() { int lastProgress = 100; public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (BuildConfig.DEBUG && !(progress >= 0 && progress <= 100)) { throw new AssertionError(); } lastProgress = progress; } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { int attenuation = 100 - lastProgress; int millibel = attenuation * -50; // 100 * -50 ~ 0 setVolumeUriAudioPlayer(millibel); } }); ((SeekBar) findViewById(R.id.pan_uri)).setOnSeekBarChangeListener(new OnSeekBarChangeListener() { int lastProgress = 100; public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (BuildConfig.DEBUG && !(progress >= 0 && progress <= 100)) { throw new AssertionError(); } lastProgress = progress; } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { // ?? ? // ? ? ?<50 >50 ? int permille = (lastProgress - 50) * 20; setStereoPositionUriAudioPlayer(permille); } }); ((SeekBar) findViewById(R.id.playback_rate_uri)).setOnSeekBarChangeListener(new OnSeekBarChangeListener() { int lastProgress = 100; public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { if (BuildConfig.DEBUG && !(progress >= 0 && progress <= 100)) { throw new AssertionError(); } lastProgress = progress; } public void onStartTrackingTouch(SeekBar seekBar) { } public void onStopTrackingTouch(SeekBar seekBar) { /* 0 ----- 50 ---- 100 -1000 --- 0 ---- 1000 */ int permille = lastProgress * (1000 - -1000) / 100 + (-1000); setPlaybackRateUriAudioPlayer(permille); } }); ((Button) findViewById(R.id.record)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // int status = ActivityCompat.checkSelfPermission(NativeAudio.this, // Manifest.permission.RECORD_AUDIO); // if (status != PackageManager.PERMISSION_GRANTED) { // ActivityCompat.requestPermissions( // NativeAudio.this, // new String[]{Manifest.permission.RECORD_AUDIO}, // AUDIO_ECHO_REQUEST); // return; // } recordAudio(); } }); ((Button) findViewById(R.id.playback)).setOnClickListener(new OnClickListener() { public void onClick(View view) { // ignore the return value selectClip(CLIP_PLAYBACK, 3); } }); }
From source file:de.badaix.snapcast.MainActivity.java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); for (int rate : new int[] { 8000, 11025, 16000, 22050, 44100, 48000 }) { // add the rates you wish to check against Log.d(TAG, "Samplerate: " + rate); int bufferSize = AudioRecord.getMinBufferSize(rate, AudioFormat.CHANNEL_OUT_STEREO, AudioFormat.ENCODING_PCM_16BIT); if (bufferSize > 0) { Log.d(TAG, "Samplerate: " + rate + ", buffer: " + bufferSize); }// w w w . java 2 s . com } AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { String rate = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE); nativeSampleRate = Integer.valueOf(rate); // String size = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER); // tvInfo.setText("Sample rate: " + rate + ", buffer size: " + size); } coordinatorLayout = (CoordinatorLayout) findViewById(R.id.myCoordinatorLayout); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); // Create the adapter that will return a fragment for each of the three // primary sections of the activity. sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager()); // Set up the ViewPager with the sections adapter. mViewPager = (ViewPager) findViewById(R.id.container); mViewPager.setAdapter(sectionsPagerAdapter); tabLayout = (TabLayout) findViewById(R.id.tabs); tabLayout.setupWithViewPager(mViewPager); mViewPager.setVisibility(View.GONE); setActionbarSubtitle("Host: no Snapserver found"); new Thread(new Runnable() { @Override public void run() { Log.d(TAG, "copying snapclient"); Setup.copyBinAsset(MainActivity.this, "snapclient", "snapclient"); Log.d(TAG, "done copying snapclient"); } }).start(); sectionsPagerAdapter.setHideOffline(Settings.getInstance(this).getBoolean("hide_offline", false)); }
From source file:com.ece420.lab3.MainActivity.java
private void queryNativeAudioParameters() { AudioManager myAudioMgr = (AudioManager) getSystemService(Context.AUDIO_SERVICE); nativeSampleRate = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE); nativeSampleBufSize = myAudioMgr.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER); int recBufSize = AudioRecord.getMinBufferSize(Integer.parseInt(nativeSampleRate), AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT); supportRecording = true;//from w w w. ja va 2 s. com if (recBufSize == AudioRecord.ERROR || recBufSize == AudioRecord.ERROR_BAD_VALUE) { supportRecording = false; } }
From source file:com.levien.audiobuffersize.AudioBufferSize.java
@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) void getJbMr1Params(AudioParams params) { AudioManager audioManager = (AudioManager) this.getSystemService(Context.AUDIO_SERVICE); String sr = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE); String bs = audioManager.getProperty(AudioManager.PROPERTY_OUTPUT_FRAMES_PER_BUFFER); params.confident = true;//from w ww. j a va 2s . c om params.sampleRate = Integer.parseInt(sr); params.bufferSize = Integer.parseInt(bs); logUI("from platform: " + params); }