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1 /*
2  * Copyright (C) 2006 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 android.media;
18 
19 import android.annotation.NonNull;
20 import android.annotation.TestApi;
21 import android.annotation.UnsupportedAppUsage;
22 import android.bluetooth.BluetoothCodecConfig;
23 import android.content.Context;
24 import android.content.pm.PackageManager;
25 import android.media.audiofx.AudioEffect;
26 import android.media.audiopolicy.AudioMix;
27 import android.util.Log;
28 
29 import java.util.ArrayList;
30 import java.util.Map;
31 
32 /* IF YOU CHANGE ANY OF THE CONSTANTS IN THIS FILE, DO NOT FORGET
33  * TO UPDATE THE CORRESPONDING NATIVE GLUE AND AudioManager.java.
34  * THANK YOU FOR YOUR COOPERATION.
35  */
36 
37 /**
38  * @hide
39  */
40 public class AudioSystem
41 {
42     private static final boolean DEBUG_VOLUME = false;
43 
44     private static final String TAG = "AudioSystem";
45     /* These values must be kept in sync with system/audio.h */
46     /*
47      * If these are modified, please also update Settings.System.VOLUME_SETTINGS
48      * and attrs.xml and AudioManager.java.
49      */
50     /** Used to identify the default audio stream volume */
51     public static final int STREAM_DEFAULT = -1;
52     /** Used to identify the volume of audio streams for phone calls */
53     public static final int STREAM_VOICE_CALL = 0;
54     /** Used to identify the volume of audio streams for system sounds */
55     public static final int STREAM_SYSTEM = 1;
56     /** Used to identify the volume of audio streams for the phone ring and message alerts */
57     public static final int STREAM_RING = 2;
58     /** Used to identify the volume of audio streams for music playback */
59     public static final int STREAM_MUSIC = 3;
60     /** Used to identify the volume of audio streams for alarms */
61     public static final int STREAM_ALARM = 4;
62     /** Used to identify the volume of audio streams for notifications */
63     public static final int STREAM_NOTIFICATION = 5;
64     /** Used to identify the volume of audio streams for phone calls when connected on bluetooth */
65     public static final int STREAM_BLUETOOTH_SCO = 6;
66     /** Used to identify the volume of audio streams for enforced system sounds in certain
67      * countries (e.g camera in Japan) */
68     @UnsupportedAppUsage
69     public static final int STREAM_SYSTEM_ENFORCED = 7;
70     /** Used to identify the volume of audio streams for DTMF tones */
71     public static final int STREAM_DTMF = 8;
72     /** Used to identify the volume of audio streams exclusively transmitted through the
73      *  speaker (TTS) of the device */
74     public static final int STREAM_TTS = 9;
75     /** Used to identify the volume of audio streams for accessibility prompts */
76     public static final int STREAM_ACCESSIBILITY = 10;
77     /**
78      * @deprecated Use {@link #numStreamTypes() instead}
79      */
80     public static final int NUM_STREAMS = 5;
81 
82     /** Maximum value for AudioTrack channel count
83      * @hide public for MediaCode only, do not un-hide or change to a numeric literal
84      */
85     public static final int OUT_CHANNEL_COUNT_MAX = native_get_FCC_8();
native_get_FCC_8()86     private static native int native_get_FCC_8();
87 
88     // Expose only the getter method publicly so we can change it in the future
89     private static final int NUM_STREAM_TYPES = 11;
90     @UnsupportedAppUsage
getNumStreamTypes()91     public static final int getNumStreamTypes() { return NUM_STREAM_TYPES; }
92 
93     public static final String[] STREAM_NAMES = new String[] {
94         "STREAM_VOICE_CALL",
95         "STREAM_SYSTEM",
96         "STREAM_RING",
97         "STREAM_MUSIC",
98         "STREAM_ALARM",
99         "STREAM_NOTIFICATION",
100         "STREAM_BLUETOOTH_SCO",
101         "STREAM_SYSTEM_ENFORCED",
102         "STREAM_DTMF",
103         "STREAM_TTS",
104         "STREAM_ACCESSIBILITY"
105     };
106 
107     /*
108      * Sets the microphone mute on or off.
109      *
110      * @param on set <var>true</var> to mute the microphone;
111      *           <var>false</var> to turn mute off
112      * @return command completion status see AUDIO_STATUS_OK, see AUDIO_STATUS_ERROR
113      */
114     @UnsupportedAppUsage
muteMicrophone(boolean on)115     public static native int muteMicrophone(boolean on);
116 
117     /*
118      * Checks whether the microphone mute is on or off.
119      *
120      * @return true if microphone is muted, false if it's not
121      */
122     @UnsupportedAppUsage
isMicrophoneMuted()123     public static native boolean isMicrophoneMuted();
124 
125     /* modes for setPhoneState, must match AudioSystem.h audio_mode */
126     public static final int MODE_INVALID            = -2;
127     public static final int MODE_CURRENT            = -1;
128     public static final int MODE_NORMAL             = 0;
129     public static final int MODE_RINGTONE           = 1;
130     public static final int MODE_IN_CALL            = 2;
131     public static final int MODE_IN_COMMUNICATION   = 3;
132     public static final int NUM_MODES               = 4;
133 
modeToString(int mode)134     public static String modeToString(int mode) {
135         switch (mode) {
136             case MODE_CURRENT: return "MODE_CURRENT";
137             case MODE_IN_CALL: return "MODE_IN_CALL";
138             case MODE_IN_COMMUNICATION: return "MODE_IN_COMMUNICATION";
139             case MODE_INVALID: return "MODE_INVALID";
140             case MODE_NORMAL: return "MODE_NORMAL";
141             case MODE_RINGTONE: return "MODE_RINGTONE";
142             default: return "unknown mode (" + mode + ")";
143         }
144     }
145 
146     /* Formats for A2DP codecs, must match system/audio-base.h audio_format_t */
147     public static final int AUDIO_FORMAT_INVALID        = 0xFFFFFFFF;
148     public static final int AUDIO_FORMAT_DEFAULT        = 0;
149     public static final int AUDIO_FORMAT_AAC            = 0x04000000;
150     public static final int AUDIO_FORMAT_SBC            = 0x1F000000;
151     public static final int AUDIO_FORMAT_APTX           = 0x20000000;
152     public static final int AUDIO_FORMAT_APTX_HD        = 0x21000000;
153     public static final int AUDIO_FORMAT_LDAC           = 0x23000000;
154 
155     /**
156      * Convert audio format enum values to Bluetooth codec values
157      */
audioFormatToBluetoothSourceCodec(int audioFormat)158     public static int audioFormatToBluetoothSourceCodec(int audioFormat) {
159         switch (audioFormat) {
160             case AUDIO_FORMAT_AAC: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC;
161             case AUDIO_FORMAT_SBC: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC;
162             case AUDIO_FORMAT_APTX: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX;
163             case AUDIO_FORMAT_APTX_HD: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD;
164             case AUDIO_FORMAT_LDAC: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC;
165             default: return BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID;
166         }
167     }
168 
169     /* Routing bits for the former setRouting/getRouting API */
170     /** @deprecated */
171     @Deprecated public static final int ROUTE_EARPIECE          = (1 << 0);
172     /** @deprecated */
173     @Deprecated public static final int ROUTE_SPEAKER           = (1 << 1);
174     /** @deprecated use {@link #ROUTE_BLUETOOTH_SCO} */
175     @Deprecated public static final int ROUTE_BLUETOOTH = (1 << 2);
176     /** @deprecated */
177     @Deprecated public static final int ROUTE_BLUETOOTH_SCO     = (1 << 2);
178     /** @deprecated */
179     @Deprecated public static final int ROUTE_HEADSET           = (1 << 3);
180     /** @deprecated */
181     @Deprecated public static final int ROUTE_BLUETOOTH_A2DP    = (1 << 4);
182     /** @deprecated */
183     @Deprecated public static final int ROUTE_ALL               = 0xFFFFFFFF;
184 
185     // Keep in sync with system/media/audio/include/system/audio.h
186     public static final int AUDIO_SESSION_ALLOCATE = 0;
187 
188     /*
189      * Checks whether the specified stream type is active.
190      *
191      * return true if any track playing on this stream is active.
192      */
193     @UnsupportedAppUsage
isStreamActive(int stream, int inPastMs)194     public static native boolean isStreamActive(int stream, int inPastMs);
195 
196     /*
197      * Checks whether the specified stream type is active on a remotely connected device. The notion
198      * of what constitutes a remote device is enforced by the audio policy manager of the platform.
199      *
200      * return true if any track playing on this stream is active on a remote device.
201      */
isStreamActiveRemotely(int stream, int inPastMs)202     public static native boolean isStreamActiveRemotely(int stream, int inPastMs);
203 
204     /*
205      * Checks whether the specified audio source is active.
206      *
207      * return true if any recorder using this source is currently recording
208      */
209     @UnsupportedAppUsage
isSourceActive(int source)210     public static native boolean isSourceActive(int source);
211 
212     /*
213      * Returns a new unused audio session ID
214      */
newAudioSessionId()215     public static native int newAudioSessionId();
216 
217     /*
218      * Returns a new unused audio player ID
219      */
newAudioPlayerId()220     public static native int newAudioPlayerId();
221 
222     /**
223      * Returns a new unused audio recorder ID
224      */
newAudioRecorderId()225     public static native int newAudioRecorderId();
226 
227 
228     /*
229      * Sets a group generic audio configuration parameters. The use of these parameters
230      * are platform dependent, see libaudio
231      *
232      * param keyValuePairs  list of parameters key value pairs in the form:
233      *    key1=value1;key2=value2;...
234      */
235     @UnsupportedAppUsage
setParameters(String keyValuePairs)236     public static native int setParameters(String keyValuePairs);
237 
238     /*
239      * Gets a group generic audio configuration parameters. The use of these parameters
240      * are platform dependent, see libaudio
241      *
242      * param keys  list of parameters
243      * return value: list of parameters key value pairs in the form:
244      *    key1=value1;key2=value2;...
245      */
246     @UnsupportedAppUsage
getParameters(String keys)247     public static native String getParameters(String keys);
248 
249     // These match the enum AudioError in frameworks/base/core/jni/android_media_AudioSystem.cpp
250     /* Command sucessful or Media server restarted. see ErrorCallback */
251     public static final int AUDIO_STATUS_OK = 0;
252     /* Command failed or unspecified audio error.  see ErrorCallback */
253     public static final int AUDIO_STATUS_ERROR = 1;
254     /* Media server died. see ErrorCallback */
255     public static final int AUDIO_STATUS_SERVER_DIED = 100;
256 
257     private static ErrorCallback mErrorCallback;
258 
259     /*
260      * Handles the audio error callback.
261      */
262     public interface ErrorCallback
263     {
264         /*
265          * Callback for audio server errors.
266          * param error   error code:
267          * - AUDIO_STATUS_OK
268          * - AUDIO_STATUS_SERVER_DIED
269          * - AUDIO_STATUS_ERROR
270          */
onError(int error)271         void onError(int error);
272     };
273 
274     /*
275      * Registers a callback to be invoked when an error occurs.
276      * @param cb the callback to run
277      */
278     @UnsupportedAppUsage
setErrorCallback(ErrorCallback cb)279     public static void setErrorCallback(ErrorCallback cb)
280     {
281         synchronized (AudioSystem.class) {
282             mErrorCallback = cb;
283             if (cb != null) {
284                 cb.onError(checkAudioFlinger());
285             }
286         }
287     }
288 
289     @UnsupportedAppUsage
errorCallbackFromNative(int error)290     private static void errorCallbackFromNative(int error)
291     {
292         ErrorCallback errorCallback = null;
293         synchronized (AudioSystem.class) {
294             if (mErrorCallback != null) {
295                 errorCallback = mErrorCallback;
296             }
297         }
298         if (errorCallback != null) {
299             errorCallback.onError(error);
300         }
301     }
302 
303     /**
304      * Handles events from the audio policy manager about dynamic audio policies
305      * @see android.media.audiopolicy.AudioPolicy
306      */
307     public interface DynamicPolicyCallback
308     {
onDynamicPolicyMixStateUpdate(String regId, int state)309         void onDynamicPolicyMixStateUpdate(String regId, int state);
310     }
311 
312     //keep in sync with include/media/AudioPolicy.h
313     private final static int DYNAMIC_POLICY_EVENT_MIX_STATE_UPDATE = 0;
314 
315     private static DynamicPolicyCallback sDynPolicyCallback;
316 
setDynamicPolicyCallback(DynamicPolicyCallback cb)317     public static void setDynamicPolicyCallback(DynamicPolicyCallback cb)
318     {
319         synchronized (AudioSystem.class) {
320             sDynPolicyCallback = cb;
321             native_register_dynamic_policy_callback();
322         }
323     }
324 
325     @UnsupportedAppUsage
dynamicPolicyCallbackFromNative(int event, String regId, int val)326     private static void dynamicPolicyCallbackFromNative(int event, String regId, int val)
327     {
328         DynamicPolicyCallback cb = null;
329         synchronized (AudioSystem.class) {
330             if (sDynPolicyCallback != null) {
331                 cb = sDynPolicyCallback;
332             }
333         }
334         if (cb != null) {
335             switch(event) {
336                 case DYNAMIC_POLICY_EVENT_MIX_STATE_UPDATE:
337                     cb.onDynamicPolicyMixStateUpdate(regId, val);
338                     break;
339                 default:
340                     Log.e(TAG, "dynamicPolicyCallbackFromNative: unknown event " + event);
341             }
342         }
343     }
344 
345     /**
346      * Handles events from the audio policy manager about recording events
347      * @see android.media.AudioManager.AudioRecordingCallback
348      */
349     public interface AudioRecordingCallback
350     {
351         /**
352          * Callback for recording activity notifications events
353          * @param event
354          * @param riid recording identifier
355          * @param uid uid of the client app performing the recording
356          * @param session
357          * @param source
358          * @param recordingFormat an array of ints containing respectively the client and device
359          *    recording configurations (2*3 ints), followed by the patch handle:
360          *    index 0: client format
361          *          1: client channel mask
362          *          2: client sample rate
363          *          3: device format
364          *          4: device channel mask
365          *          5: device sample rate
366          *          6: patch handle
367          * @param packName package name of the client app performing the recording. NOT SUPPORTED
368          */
onRecordingConfigurationChanged(int event, int riid, int uid, int session, int source, int portId, boolean silenced, int[] recordingFormat, AudioEffect.Descriptor[] clienteffects, AudioEffect.Descriptor[] effects, int activeSource, String packName)369         void onRecordingConfigurationChanged(int event, int riid, int uid, int session, int source,
370                         int portId, boolean silenced, int[] recordingFormat,
371                         AudioEffect.Descriptor[] clienteffects, AudioEffect.Descriptor[] effects,
372                         int activeSource, String packName);
373     }
374 
375     private static AudioRecordingCallback sRecordingCallback;
376 
setRecordingCallback(AudioRecordingCallback cb)377     public static void setRecordingCallback(AudioRecordingCallback cb) {
378         synchronized (AudioSystem.class) {
379             sRecordingCallback = cb;
380             native_register_recording_callback();
381         }
382     }
383 
384     /**
385      * Callback from native for recording configuration updates.
386      * @param event
387      * @param riid
388      * @param uid
389      * @param session
390      * @param source
391      * @param portId
392      * @param silenced
393      * @param recordingFormat see
394      *     {@link AudioRecordingCallback#onRecordingConfigurationChanged(int, int, int, int, int, \
395      int, boolean, int[], AudioEffect.Descriptor[], AudioEffect.Descriptor[], int, String)}
396      *     for the description of the record format.
397      * @param cleintEffects
398      * @param effects
399      * @param activeSource
400      */
401     @UnsupportedAppUsage
recordingCallbackFromNative(int event, int riid, int uid, int session, int source, int portId, boolean silenced, int[] recordingFormat, AudioEffect.Descriptor[] clientEffects, AudioEffect.Descriptor[] effects, int activeSource)402     private static void recordingCallbackFromNative(int event, int riid, int uid, int session,
403                           int source, int portId, boolean silenced, int[] recordingFormat,
404                           AudioEffect.Descriptor[] clientEffects, AudioEffect.Descriptor[] effects,
405                           int activeSource) {
406         AudioRecordingCallback cb = null;
407         synchronized (AudioSystem.class) {
408             cb = sRecordingCallback;
409         }
410 
411         String clientEffectName =  clientEffects.length == 0 ? "None" : clientEffects[0].name;
412         String effectName =  effects.length == 0 ? "None" : effects[0].name;
413 
414         if (cb != null) {
415             // TODO receive package name from native
416             cb.onRecordingConfigurationChanged(event, riid, uid, session, source, portId, silenced,
417                                         recordingFormat, clientEffects, effects, activeSource, "");
418         }
419     }
420 
421     /*
422      * Error codes used by public APIs (AudioTrack, AudioRecord, AudioManager ...)
423      * Must be kept in sync with frameworks/base/core/jni/android_media_AudioErrors.h
424      */
425     public static final int SUCCESS            = 0;
426     public static final int ERROR              = -1;
427     public static final int BAD_VALUE          = -2;
428     public static final int INVALID_OPERATION  = -3;
429     public static final int PERMISSION_DENIED  = -4;
430     public static final int NO_INIT            = -5;
431     public static final int DEAD_OBJECT        = -6;
432     public static final int WOULD_BLOCK        = -7;
433 
434     /*
435      * AudioPolicyService methods
436      */
437 
438     //
439     // audio device definitions: must be kept in sync with values in system/core/audio.h
440     //
441 
442     public static final int DEVICE_NONE = 0x0;
443     // reserved bits
444     public static final int DEVICE_BIT_IN = 0x80000000;
445     public static final int DEVICE_BIT_DEFAULT = 0x40000000;
446     // output devices, be sure to update AudioManager.java also
447     @UnsupportedAppUsage
448     public static final int DEVICE_OUT_EARPIECE = 0x1;
449     @UnsupportedAppUsage
450     public static final int DEVICE_OUT_SPEAKER = 0x2;
451     @UnsupportedAppUsage
452     public static final int DEVICE_OUT_WIRED_HEADSET = 0x4;
453     @UnsupportedAppUsage
454     public static final int DEVICE_OUT_WIRED_HEADPHONE = 0x8;
455     @UnsupportedAppUsage
456     public static final int DEVICE_OUT_BLUETOOTH_SCO = 0x10;
457     @UnsupportedAppUsage
458     public static final int DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20;
459     @UnsupportedAppUsage
460     public static final int DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40;
461     @UnsupportedAppUsage
462     public static final int DEVICE_OUT_BLUETOOTH_A2DP = 0x80;
463     @UnsupportedAppUsage
464     public static final int DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100;
465     @UnsupportedAppUsage
466     public static final int DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200;
467     @UnsupportedAppUsage
468     public static final int DEVICE_OUT_AUX_DIGITAL = 0x400;
469     public static final int DEVICE_OUT_HDMI = DEVICE_OUT_AUX_DIGITAL;
470     @UnsupportedAppUsage
471     public static final int DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800;
472     @UnsupportedAppUsage
473     public static final int DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000;
474     @UnsupportedAppUsage
475     public static final int DEVICE_OUT_USB_ACCESSORY = 0x2000;
476     @UnsupportedAppUsage
477     public static final int DEVICE_OUT_USB_DEVICE = 0x4000;
478     @UnsupportedAppUsage
479     public static final int DEVICE_OUT_REMOTE_SUBMIX = 0x8000;
480     @UnsupportedAppUsage
481     public static final int DEVICE_OUT_TELEPHONY_TX = 0x10000;
482     public static final int DEVICE_OUT_LINE = 0x20000;
483     public static final int DEVICE_OUT_HDMI_ARC = 0x40000;
484     public static final int DEVICE_OUT_SPDIF = 0x80000;
485     @UnsupportedAppUsage
486     public static final int DEVICE_OUT_FM = 0x100000;
487     public static final int DEVICE_OUT_AUX_LINE = 0x200000;
488     public static final int DEVICE_OUT_SPEAKER_SAFE = 0x400000;
489     public static final int DEVICE_OUT_IP = 0x800000;
490     public static final int DEVICE_OUT_BUS = 0x1000000;
491     public static final int DEVICE_OUT_PROXY = 0x2000000;
492     public static final int DEVICE_OUT_USB_HEADSET = 0x4000000;
493     public static final int DEVICE_OUT_HEARING_AID = 0x8000000;
494 
495     public static final int DEVICE_OUT_DEFAULT = DEVICE_BIT_DEFAULT;
496 
497     public static final int DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE |
498                                               DEVICE_OUT_SPEAKER |
499                                               DEVICE_OUT_WIRED_HEADSET |
500                                               DEVICE_OUT_WIRED_HEADPHONE |
501                                               DEVICE_OUT_BLUETOOTH_SCO |
502                                               DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
503                                               DEVICE_OUT_BLUETOOTH_SCO_CARKIT |
504                                               DEVICE_OUT_BLUETOOTH_A2DP |
505                                               DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
506                                               DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER |
507                                               DEVICE_OUT_HDMI |
508                                               DEVICE_OUT_ANLG_DOCK_HEADSET |
509                                               DEVICE_OUT_DGTL_DOCK_HEADSET |
510                                               DEVICE_OUT_USB_ACCESSORY |
511                                               DEVICE_OUT_USB_DEVICE |
512                                               DEVICE_OUT_REMOTE_SUBMIX |
513                                               DEVICE_OUT_TELEPHONY_TX |
514                                               DEVICE_OUT_LINE |
515                                               DEVICE_OUT_HDMI_ARC |
516                                               DEVICE_OUT_SPDIF |
517                                               DEVICE_OUT_FM |
518                                               DEVICE_OUT_AUX_LINE |
519                                               DEVICE_OUT_SPEAKER_SAFE |
520                                               DEVICE_OUT_IP |
521                                               DEVICE_OUT_BUS |
522                                               DEVICE_OUT_PROXY |
523                                               DEVICE_OUT_USB_HEADSET |
524                                               DEVICE_OUT_HEARING_AID |
525                                               DEVICE_OUT_DEFAULT);
526     public static final int DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP |
527                                                    DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
528                                                    DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER);
529     public static final int DEVICE_OUT_ALL_SCO = (DEVICE_OUT_BLUETOOTH_SCO |
530                                                   DEVICE_OUT_BLUETOOTH_SCO_HEADSET |
531                                                   DEVICE_OUT_BLUETOOTH_SCO_CARKIT);
532     @UnsupportedAppUsage
533     public static final int DEVICE_OUT_ALL_USB = (DEVICE_OUT_USB_ACCESSORY |
534                                                   DEVICE_OUT_USB_DEVICE |
535                                                   DEVICE_OUT_USB_HEADSET);
536     public static final int DEVICE_OUT_ALL_HDMI_SYSTEM_AUDIO = (DEVICE_OUT_AUX_LINE |
537                                                                 DEVICE_OUT_HDMI_ARC |
538                                                                 DEVICE_OUT_SPDIF);
539     public static final int DEVICE_ALL_HDMI_SYSTEM_AUDIO_AND_SPEAKER =
540             (DEVICE_OUT_ALL_HDMI_SYSTEM_AUDIO |
541              DEVICE_OUT_SPEAKER);
542 
543     // input devices
544     @UnsupportedAppUsage
545     public static final int DEVICE_IN_COMMUNICATION = DEVICE_BIT_IN | 0x1;
546     @UnsupportedAppUsage
547     public static final int DEVICE_IN_AMBIENT = DEVICE_BIT_IN | 0x2;
548     @UnsupportedAppUsage
549     public static final int DEVICE_IN_BUILTIN_MIC = DEVICE_BIT_IN | 0x4;
550     @UnsupportedAppUsage
551     public static final int DEVICE_IN_BLUETOOTH_SCO_HEADSET = DEVICE_BIT_IN | 0x8;
552     @UnsupportedAppUsage
553     public static final int DEVICE_IN_WIRED_HEADSET = DEVICE_BIT_IN | 0x10;
554     @UnsupportedAppUsage
555     public static final int DEVICE_IN_AUX_DIGITAL = DEVICE_BIT_IN | 0x20;
556     public static final int DEVICE_IN_HDMI = DEVICE_IN_AUX_DIGITAL;
557     @UnsupportedAppUsage
558     public static final int DEVICE_IN_VOICE_CALL = DEVICE_BIT_IN | 0x40;
559     public static final int DEVICE_IN_TELEPHONY_RX = DEVICE_IN_VOICE_CALL;
560     @UnsupportedAppUsage
561     public static final int DEVICE_IN_BACK_MIC = DEVICE_BIT_IN | 0x80;
562     @UnsupportedAppUsage
563     public static final int DEVICE_IN_REMOTE_SUBMIX = DEVICE_BIT_IN | 0x100;
564     @UnsupportedAppUsage
565     public static final int DEVICE_IN_ANLG_DOCK_HEADSET = DEVICE_BIT_IN | 0x200;
566     @UnsupportedAppUsage
567     public static final int DEVICE_IN_DGTL_DOCK_HEADSET = DEVICE_BIT_IN | 0x400;
568     @UnsupportedAppUsage
569     public static final int DEVICE_IN_USB_ACCESSORY = DEVICE_BIT_IN | 0x800;
570     @UnsupportedAppUsage
571     public static final int DEVICE_IN_USB_DEVICE = DEVICE_BIT_IN | 0x1000;
572     public static final int DEVICE_IN_FM_TUNER = DEVICE_BIT_IN | 0x2000;
573     public static final int DEVICE_IN_TV_TUNER = DEVICE_BIT_IN | 0x4000;
574     public static final int DEVICE_IN_LINE = DEVICE_BIT_IN | 0x8000;
575     public static final int DEVICE_IN_SPDIF = DEVICE_BIT_IN | 0x10000;
576     @UnsupportedAppUsage
577     public static final int DEVICE_IN_BLUETOOTH_A2DP = DEVICE_BIT_IN | 0x20000;
578     public static final int DEVICE_IN_LOOPBACK = DEVICE_BIT_IN | 0x40000;
579     public static final int DEVICE_IN_IP = DEVICE_BIT_IN | 0x80000;
580     public static final int DEVICE_IN_BUS = DEVICE_BIT_IN | 0x100000;
581     public static final int DEVICE_IN_PROXY = DEVICE_BIT_IN | 0x1000000;
582     public static final int DEVICE_IN_USB_HEADSET = DEVICE_BIT_IN | 0x2000000;
583     public static final int DEVICE_IN_BLUETOOTH_BLE = DEVICE_BIT_IN | 0x4000000;
584     public static final int DEVICE_IN_HDMI_ARC = DEVICE_BIT_IN | 0x8000000;
585     public static final int DEVICE_IN_ECHO_REFERENCE = DEVICE_BIT_IN | 0x10000000;
586     @UnsupportedAppUsage
587     public static final int DEVICE_IN_DEFAULT = DEVICE_BIT_IN | DEVICE_BIT_DEFAULT;
588 
589     public static final int DEVICE_IN_ALL = (DEVICE_IN_COMMUNICATION |
590                                              DEVICE_IN_AMBIENT |
591                                              DEVICE_IN_BUILTIN_MIC |
592                                              DEVICE_IN_BLUETOOTH_SCO_HEADSET |
593                                              DEVICE_IN_WIRED_HEADSET |
594                                              DEVICE_IN_HDMI |
595                                              DEVICE_IN_TELEPHONY_RX |
596                                              DEVICE_IN_BACK_MIC |
597                                              DEVICE_IN_REMOTE_SUBMIX |
598                                              DEVICE_IN_ANLG_DOCK_HEADSET |
599                                              DEVICE_IN_DGTL_DOCK_HEADSET |
600                                              DEVICE_IN_USB_ACCESSORY |
601                                              DEVICE_IN_USB_DEVICE |
602                                              DEVICE_IN_FM_TUNER |
603                                              DEVICE_IN_TV_TUNER |
604                                              DEVICE_IN_LINE |
605                                              DEVICE_IN_SPDIF |
606                                              DEVICE_IN_BLUETOOTH_A2DP |
607                                              DEVICE_IN_LOOPBACK |
608                                              DEVICE_IN_IP |
609                                              DEVICE_IN_BUS |
610                                              DEVICE_IN_PROXY |
611                                              DEVICE_IN_USB_HEADSET |
612                                              DEVICE_IN_BLUETOOTH_BLE |
613                                              DEVICE_IN_HDMI_ARC |
614                                              DEVICE_IN_ECHO_REFERENCE |
615                                              DEVICE_IN_DEFAULT);
616     public static final int DEVICE_IN_ALL_SCO = DEVICE_IN_BLUETOOTH_SCO_HEADSET;
617     public static final int DEVICE_IN_ALL_USB = (DEVICE_IN_USB_ACCESSORY |
618                                                  DEVICE_IN_USB_DEVICE |
619                                                  DEVICE_IN_USB_HEADSET);
620 
621     // device states, must match AudioSystem::device_connection_state
622     @UnsupportedAppUsage
623     public static final int DEVICE_STATE_UNAVAILABLE = 0;
624     @UnsupportedAppUsage
625     public static final int DEVICE_STATE_AVAILABLE = 1;
626     private static final int NUM_DEVICE_STATES = 1;
627 
deviceStateToString(int state)628     public static String deviceStateToString(int state) {
629         switch (state) {
630             case DEVICE_STATE_UNAVAILABLE: return "DEVICE_STATE_UNAVAILABLE";
631             case DEVICE_STATE_AVAILABLE: return "DEVICE_STATE_AVAILABLE";
632             default: return "unknown state (" + state + ")";
633         }
634     }
635 
636     public static final String DEVICE_OUT_EARPIECE_NAME = "earpiece";
637     public static final String DEVICE_OUT_SPEAKER_NAME = "speaker";
638     public static final String DEVICE_OUT_WIRED_HEADSET_NAME = "headset";
639     public static final String DEVICE_OUT_WIRED_HEADPHONE_NAME = "headphone";
640     public static final String DEVICE_OUT_BLUETOOTH_SCO_NAME = "bt_sco";
641     public static final String DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME = "bt_sco_hs";
642     public static final String DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME = "bt_sco_carkit";
643     public static final String DEVICE_OUT_BLUETOOTH_A2DP_NAME = "bt_a2dp";
644     public static final String DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME = "bt_a2dp_hp";
645     public static final String DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME = "bt_a2dp_spk";
646     public static final String DEVICE_OUT_AUX_DIGITAL_NAME = "aux_digital";
647     public static final String DEVICE_OUT_HDMI_NAME = "hdmi";
648     public static final String DEVICE_OUT_ANLG_DOCK_HEADSET_NAME = "analog_dock";
649     public static final String DEVICE_OUT_DGTL_DOCK_HEADSET_NAME = "digital_dock";
650     public static final String DEVICE_OUT_USB_ACCESSORY_NAME = "usb_accessory";
651     public static final String DEVICE_OUT_USB_DEVICE_NAME = "usb_device";
652     public static final String DEVICE_OUT_REMOTE_SUBMIX_NAME = "remote_submix";
653     public static final String DEVICE_OUT_TELEPHONY_TX_NAME = "telephony_tx";
654     public static final String DEVICE_OUT_LINE_NAME = "line";
655     public static final String DEVICE_OUT_HDMI_ARC_NAME = "hmdi_arc";
656     public static final String DEVICE_OUT_SPDIF_NAME = "spdif";
657     public static final String DEVICE_OUT_FM_NAME = "fm_transmitter";
658     public static final String DEVICE_OUT_AUX_LINE_NAME = "aux_line";
659     public static final String DEVICE_OUT_SPEAKER_SAFE_NAME = "speaker_safe";
660     public static final String DEVICE_OUT_IP_NAME = "ip";
661     public static final String DEVICE_OUT_BUS_NAME = "bus";
662     public static final String DEVICE_OUT_PROXY_NAME = "proxy";
663     public static final String DEVICE_OUT_USB_HEADSET_NAME = "usb_headset";
664     public static final String DEVICE_OUT_HEARING_AID_NAME = "hearing_aid_out";
665 
666     public static final String DEVICE_IN_COMMUNICATION_NAME = "communication";
667     public static final String DEVICE_IN_AMBIENT_NAME = "ambient";
668     public static final String DEVICE_IN_BUILTIN_MIC_NAME = "mic";
669     public static final String DEVICE_IN_BLUETOOTH_SCO_HEADSET_NAME = "bt_sco_hs";
670     public static final String DEVICE_IN_WIRED_HEADSET_NAME = "headset";
671     public static final String DEVICE_IN_AUX_DIGITAL_NAME = "aux_digital";
672     public static final String DEVICE_IN_TELEPHONY_RX_NAME = "telephony_rx";
673     public static final String DEVICE_IN_BACK_MIC_NAME = "back_mic";
674     public static final String DEVICE_IN_REMOTE_SUBMIX_NAME = "remote_submix";
675     public static final String DEVICE_IN_ANLG_DOCK_HEADSET_NAME = "analog_dock";
676     public static final String DEVICE_IN_DGTL_DOCK_HEADSET_NAME = "digital_dock";
677     public static final String DEVICE_IN_USB_ACCESSORY_NAME = "usb_accessory";
678     public static final String DEVICE_IN_USB_DEVICE_NAME = "usb_device";
679     public static final String DEVICE_IN_FM_TUNER_NAME = "fm_tuner";
680     public static final String DEVICE_IN_TV_TUNER_NAME = "tv_tuner";
681     public static final String DEVICE_IN_LINE_NAME = "line";
682     public static final String DEVICE_IN_SPDIF_NAME = "spdif";
683     public static final String DEVICE_IN_BLUETOOTH_A2DP_NAME = "bt_a2dp";
684     public static final String DEVICE_IN_LOOPBACK_NAME = "loopback";
685     public static final String DEVICE_IN_IP_NAME = "ip";
686     public static final String DEVICE_IN_BUS_NAME = "bus";
687     public static final String DEVICE_IN_PROXY_NAME = "proxy";
688     public static final String DEVICE_IN_USB_HEADSET_NAME = "usb_headset";
689     public static final String DEVICE_IN_BLUETOOTH_BLE_NAME = "bt_ble";
690     public static final String DEVICE_IN_ECHO_REFERENCE_NAME = "echo_reference";
691     public static final String DEVICE_IN_HDMI_ARC_NAME = "hdmi_arc";
692 
693     @UnsupportedAppUsage
getOutputDeviceName(int device)694     public static String getOutputDeviceName(int device)
695     {
696         switch(device) {
697         case DEVICE_OUT_EARPIECE:
698             return DEVICE_OUT_EARPIECE_NAME;
699         case DEVICE_OUT_SPEAKER:
700             return DEVICE_OUT_SPEAKER_NAME;
701         case DEVICE_OUT_WIRED_HEADSET:
702             return DEVICE_OUT_WIRED_HEADSET_NAME;
703         case DEVICE_OUT_WIRED_HEADPHONE:
704             return DEVICE_OUT_WIRED_HEADPHONE_NAME;
705         case DEVICE_OUT_BLUETOOTH_SCO:
706             return DEVICE_OUT_BLUETOOTH_SCO_NAME;
707         case DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
708             return DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME;
709         case DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
710             return DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME;
711         case DEVICE_OUT_BLUETOOTH_A2DP:
712             return DEVICE_OUT_BLUETOOTH_A2DP_NAME;
713         case DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
714             return DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME;
715         case DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
716             return DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME;
717         case DEVICE_OUT_HDMI:
718             return DEVICE_OUT_HDMI_NAME;
719         case DEVICE_OUT_ANLG_DOCK_HEADSET:
720             return DEVICE_OUT_ANLG_DOCK_HEADSET_NAME;
721         case DEVICE_OUT_DGTL_DOCK_HEADSET:
722             return DEVICE_OUT_DGTL_DOCK_HEADSET_NAME;
723         case DEVICE_OUT_USB_ACCESSORY:
724             return DEVICE_OUT_USB_ACCESSORY_NAME;
725         case DEVICE_OUT_USB_DEVICE:
726             return DEVICE_OUT_USB_DEVICE_NAME;
727         case DEVICE_OUT_REMOTE_SUBMIX:
728             return DEVICE_OUT_REMOTE_SUBMIX_NAME;
729         case DEVICE_OUT_TELEPHONY_TX:
730             return DEVICE_OUT_TELEPHONY_TX_NAME;
731         case DEVICE_OUT_LINE:
732             return DEVICE_OUT_LINE_NAME;
733         case DEVICE_OUT_HDMI_ARC:
734             return DEVICE_OUT_HDMI_ARC_NAME;
735         case DEVICE_OUT_SPDIF:
736             return DEVICE_OUT_SPDIF_NAME;
737         case DEVICE_OUT_FM:
738             return DEVICE_OUT_FM_NAME;
739         case DEVICE_OUT_AUX_LINE:
740             return DEVICE_OUT_AUX_LINE_NAME;
741         case DEVICE_OUT_SPEAKER_SAFE:
742             return DEVICE_OUT_SPEAKER_SAFE_NAME;
743         case DEVICE_OUT_IP:
744             return DEVICE_OUT_IP_NAME;
745         case DEVICE_OUT_BUS:
746             return DEVICE_OUT_BUS_NAME;
747         case DEVICE_OUT_PROXY:
748             return DEVICE_OUT_PROXY_NAME;
749         case DEVICE_OUT_USB_HEADSET:
750             return DEVICE_OUT_USB_HEADSET_NAME;
751         case DEVICE_OUT_HEARING_AID:
752             return DEVICE_OUT_HEARING_AID_NAME;
753         case DEVICE_OUT_DEFAULT:
754         default:
755             return Integer.toString(device);
756         }
757     }
758 
getInputDeviceName(int device)759     public static String getInputDeviceName(int device)
760     {
761         switch(device) {
762         case DEVICE_IN_COMMUNICATION:
763             return DEVICE_IN_COMMUNICATION_NAME;
764         case DEVICE_IN_AMBIENT:
765             return DEVICE_IN_AMBIENT_NAME;
766         case DEVICE_IN_BUILTIN_MIC:
767             return DEVICE_IN_BUILTIN_MIC_NAME;
768         case DEVICE_IN_BLUETOOTH_SCO_HEADSET:
769             return DEVICE_IN_BLUETOOTH_SCO_HEADSET_NAME;
770         case DEVICE_IN_WIRED_HEADSET:
771             return DEVICE_IN_WIRED_HEADSET_NAME;
772         case DEVICE_IN_AUX_DIGITAL:
773             return DEVICE_IN_AUX_DIGITAL_NAME;
774         case DEVICE_IN_TELEPHONY_RX:
775             return DEVICE_IN_TELEPHONY_RX_NAME;
776         case DEVICE_IN_BACK_MIC:
777             return DEVICE_IN_BACK_MIC_NAME;
778         case DEVICE_IN_REMOTE_SUBMIX:
779             return DEVICE_IN_REMOTE_SUBMIX_NAME;
780         case DEVICE_IN_ANLG_DOCK_HEADSET:
781             return DEVICE_IN_ANLG_DOCK_HEADSET_NAME;
782         case DEVICE_IN_DGTL_DOCK_HEADSET:
783             return DEVICE_IN_DGTL_DOCK_HEADSET_NAME;
784         case DEVICE_IN_USB_ACCESSORY:
785             return DEVICE_IN_USB_ACCESSORY_NAME;
786         case DEVICE_IN_USB_DEVICE:
787             return DEVICE_IN_USB_DEVICE_NAME;
788         case DEVICE_IN_FM_TUNER:
789             return DEVICE_IN_FM_TUNER_NAME;
790         case DEVICE_IN_TV_TUNER:
791             return DEVICE_IN_TV_TUNER_NAME;
792         case DEVICE_IN_LINE:
793             return DEVICE_IN_LINE_NAME;
794         case DEVICE_IN_SPDIF:
795             return DEVICE_IN_SPDIF_NAME;
796         case DEVICE_IN_BLUETOOTH_A2DP:
797             return DEVICE_IN_BLUETOOTH_A2DP_NAME;
798         case DEVICE_IN_LOOPBACK:
799             return DEVICE_IN_LOOPBACK_NAME;
800         case DEVICE_IN_IP:
801             return DEVICE_IN_IP_NAME;
802         case DEVICE_IN_BUS:
803             return DEVICE_IN_BUS_NAME;
804         case DEVICE_IN_PROXY:
805             return DEVICE_IN_PROXY_NAME;
806         case DEVICE_IN_USB_HEADSET:
807             return DEVICE_IN_USB_HEADSET_NAME;
808         case DEVICE_IN_BLUETOOTH_BLE:
809             return DEVICE_IN_BLUETOOTH_BLE_NAME;
810         case DEVICE_IN_ECHO_REFERENCE:
811             return DEVICE_IN_ECHO_REFERENCE_NAME;
812         case DEVICE_IN_HDMI_ARC:
813             return DEVICE_IN_HDMI_ARC_NAME;
814         case DEVICE_IN_DEFAULT:
815         default:
816             return Integer.toString(device);
817         }
818     }
819 
820     // phone state, match audio_mode???
821     public static final int PHONE_STATE_OFFCALL = 0;
822     public static final int PHONE_STATE_RINGING = 1;
823     public static final int PHONE_STATE_INCALL = 2;
824 
825     // device categories config for setForceUse, must match audio_policy_forced_cfg_t
826     @UnsupportedAppUsage
827     public static final int FORCE_NONE = 0;
828     public static final int FORCE_SPEAKER = 1;
829     public static final int FORCE_HEADPHONES = 2;
830     public static final int FORCE_BT_SCO = 3;
831     public static final int FORCE_BT_A2DP = 4;
832     public static final int FORCE_WIRED_ACCESSORY = 5;
833     @UnsupportedAppUsage
834     public static final int FORCE_BT_CAR_DOCK = 6;
835     @UnsupportedAppUsage
836     public static final int FORCE_BT_DESK_DOCK = 7;
837     @UnsupportedAppUsage
838     public static final int FORCE_ANALOG_DOCK = 8;
839     @UnsupportedAppUsage
840     public static final int FORCE_DIGITAL_DOCK = 9;
841     public static final int FORCE_NO_BT_A2DP = 10;
842     public static final int FORCE_SYSTEM_ENFORCED = 11;
843     public static final int FORCE_HDMI_SYSTEM_AUDIO_ENFORCED = 12;
844     public static final int FORCE_ENCODED_SURROUND_NEVER = 13;
845     public static final int FORCE_ENCODED_SURROUND_ALWAYS = 14;
846     public static final int FORCE_ENCODED_SURROUND_MANUAL = 15;
847     public static final int NUM_FORCE_CONFIG = 16;
848     public static final int FORCE_DEFAULT = FORCE_NONE;
849 
forceUseConfigToString(int config)850     public static String forceUseConfigToString(int config) {
851         switch (config) {
852             case FORCE_NONE: return "FORCE_NONE";
853             case FORCE_SPEAKER: return "FORCE_SPEAKER";
854             case FORCE_HEADPHONES: return "FORCE_HEADPHONES";
855             case FORCE_BT_SCO: return "FORCE_BT_SCO";
856             case FORCE_BT_A2DP: return "FORCE_BT_A2DP";
857             case FORCE_WIRED_ACCESSORY: return "FORCE_WIRED_ACCESSORY";
858             case FORCE_BT_CAR_DOCK: return "FORCE_BT_CAR_DOCK";
859             case FORCE_BT_DESK_DOCK: return "FORCE_BT_DESK_DOCK";
860             case FORCE_ANALOG_DOCK: return "FORCE_ANALOG_DOCK";
861             case FORCE_DIGITAL_DOCK: return "FORCE_DIGITAL_DOCK";
862             case FORCE_NO_BT_A2DP: return "FORCE_NO_BT_A2DP";
863             case FORCE_SYSTEM_ENFORCED: return "FORCE_SYSTEM_ENFORCED";
864             case FORCE_HDMI_SYSTEM_AUDIO_ENFORCED: return "FORCE_HDMI_SYSTEM_AUDIO_ENFORCED";
865             case FORCE_ENCODED_SURROUND_NEVER: return "FORCE_ENCODED_SURROUND_NEVER";
866             case FORCE_ENCODED_SURROUND_ALWAYS: return "FORCE_ENCODED_SURROUND_ALWAYS";
867             case FORCE_ENCODED_SURROUND_MANUAL: return "FORCE_ENCODED_SURROUND_MANUAL";
868             default: return "unknown config (" + config + ")" ;
869         }
870     }
871 
872     // usage for setForceUse, must match audio_policy_force_use_t
873     public static final int FOR_COMMUNICATION = 0;
874     public static final int FOR_MEDIA = 1;
875     public static final int FOR_RECORD = 2;
876     public static final int FOR_DOCK = 3;
877     public static final int FOR_SYSTEM = 4;
878     public static final int FOR_HDMI_SYSTEM_AUDIO = 5;
879     public static final int FOR_ENCODED_SURROUND = 6;
880     public static final int FOR_VIBRATE_RINGING = 7;
881     private static final int NUM_FORCE_USE = 8;
882 
forceUseUsageToString(int usage)883     public static String forceUseUsageToString(int usage) {
884         switch (usage) {
885             case FOR_COMMUNICATION: return "FOR_COMMUNICATION";
886             case FOR_MEDIA: return "FOR_MEDIA";
887             case FOR_RECORD: return "FOR_RECORD";
888             case FOR_DOCK: return "FOR_DOCK";
889             case FOR_SYSTEM: return "FOR_SYSTEM";
890             case FOR_HDMI_SYSTEM_AUDIO: return "FOR_HDMI_SYSTEM_AUDIO";
891             case FOR_ENCODED_SURROUND: return "FOR_ENCODED_SURROUND";
892             case FOR_VIBRATE_RINGING: return "FOR_VIBRATE_RINGING";
893             default: return "unknown usage (" + usage + ")" ;
894         }
895     }
896 
897     /** Wrapper for native methods called from AudioService */
setStreamVolumeIndexAS(int stream, int index, int device)898     public static int setStreamVolumeIndexAS(int stream, int index, int device) {
899         if (DEBUG_VOLUME) {
900             Log.i(TAG, "setStreamVolumeIndex: " + STREAM_NAMES[stream]
901                     + " dev=" + Integer.toHexString(device) + " idx=" + index);
902         }
903         return setStreamVolumeIndex(stream, index, device);
904     }
905 
906     // usage for AudioRecord.startRecordingSync(), must match AudioSystem::sync_event_t
907     public static final int SYNC_EVENT_NONE = 0;
908     public static final int SYNC_EVENT_PRESENTATION_COMPLETE = 1;
909 
910     /**
911      * @return command completion status, one of {@link #AUDIO_STATUS_OK},
912      *     {@link #AUDIO_STATUS_ERROR} or {@link #AUDIO_STATUS_SERVER_DIED}
913      */
914     @UnsupportedAppUsage
setDeviceConnectionState(int device, int state, String device_address, String device_name, int codecFormat)915     public static native int setDeviceConnectionState(int device, int state,
916                                                       String device_address, String device_name,
917                                                       int codecFormat);
918     @UnsupportedAppUsage
getDeviceConnectionState(int device, String device_address)919     public static native int getDeviceConnectionState(int device, String device_address);
handleDeviceConfigChange(int device, String device_address, String device_name, int codecFormat)920     public static native int handleDeviceConfigChange(int device,
921                                                       String device_address,
922                                                       String device_name,
923                                                       int codecFormat);
924     @UnsupportedAppUsage
setPhoneState(int state)925     public static native int setPhoneState(int state);
926     @UnsupportedAppUsage
setForceUse(int usage, int config)927     public static native int setForceUse(int usage, int config);
928     @UnsupportedAppUsage
getForceUse(int usage)929     public static native int getForceUse(int usage);
930     @UnsupportedAppUsage
initStreamVolume(int stream, int indexMin, int indexMax)931     public static native int initStreamVolume(int stream, int indexMin, int indexMax);
932     @UnsupportedAppUsage
setStreamVolumeIndex(int stream, int index, int device)933     private static native int setStreamVolumeIndex(int stream, int index, int device);
getStreamVolumeIndex(int stream, int device)934     public static native int getStreamVolumeIndex(int stream, int device);
935     /**
936      * @hide
937      * set a volume for the given {@link AudioAttributes} and for all other stream that belong to
938      * the same volume group.
939      * @param attributes the {@link AudioAttributes} to be considered
940      * @param index to be applied
941      * @param device the volume device to be considered
942      * @return command completion status.
943      */
setVolumeIndexForAttributes(@onNull AudioAttributes attributes, int index, int device)944     public static native int setVolumeIndexForAttributes(@NonNull AudioAttributes attributes,
945                                                          int index, int device);
946    /**
947     * @hide
948     * get the volume index for the given {@link AudioAttributes}.
949     * @param attributes the {@link AudioAttributes} to be considered
950     * @param device the volume device to be considered
951     * @return volume index for the given {@link AudioAttributes} and volume device.
952     */
getVolumeIndexForAttributes(@onNull AudioAttributes attributes, int device)953     public static native int getVolumeIndexForAttributes(@NonNull AudioAttributes attributes,
954                                                          int device);
955     /**
956      * @hide
957      * get the minimum volume index for the given {@link AudioAttributes}.
958      * @param attributes the {@link AudioAttributes} to be considered
959      * @return minimum volume index for the given {@link AudioAttributes}.
960      */
getMinVolumeIndexForAttributes(@onNull AudioAttributes attributes)961     public static native int getMinVolumeIndexForAttributes(@NonNull AudioAttributes attributes);
962     /**
963      * @hide
964      * get the maximum volume index for the given {@link AudioAttributes}.
965      * @param attributes the {@link AudioAttributes} to be considered
966      * @return maximum volume index for the given {@link AudioAttributes}.
967      */
getMaxVolumeIndexForAttributes(@onNull AudioAttributes attributes)968     public static native int getMaxVolumeIndexForAttributes(@NonNull AudioAttributes attributes);
969 
setMasterVolume(float value)970     public static native int setMasterVolume(float value);
getMasterVolume()971     public static native float getMasterVolume();
972     @UnsupportedAppUsage
setMasterMute(boolean mute)973     public static native int setMasterMute(boolean mute);
974     @UnsupportedAppUsage
getMasterMute()975     public static native boolean getMasterMute();
976     @UnsupportedAppUsage
getDevicesForStream(int stream)977     public static native int getDevicesForStream(int stream);
978 
979     /** @hide returns true if master mono is enabled. */
getMasterMono()980     public static native boolean getMasterMono();
981     /** @hide enables or disables the master mono mode. */
setMasterMono(boolean mono)982     public static native int setMasterMono(boolean mono);
983     /** @hide enables or disables the RTT mode. */
setRttEnabled(boolean enabled)984     public static native int setRttEnabled(boolean enabled);
985 
986     /** @hide returns master balance value in range -1.f -> 1.f, where 0.f is dead center. */
987     @TestApi
getMasterBalance()988     public static native float getMasterBalance();
989     /** @hide changes the audio balance of the device. */
990     @TestApi
setMasterBalance(float balance)991     public static native int setMasterBalance(float balance);
992 
993     // helpers for android.media.AudioManager.getProperty(), see description there for meaning
994     @UnsupportedAppUsage(trackingBug = 134049522)
getPrimaryOutputSamplingRate()995     public static native int getPrimaryOutputSamplingRate();
996     @UnsupportedAppUsage(trackingBug = 134049522)
getPrimaryOutputFrameCount()997     public static native int getPrimaryOutputFrameCount();
998     @UnsupportedAppUsage
getOutputLatency(int stream)999     public static native int getOutputLatency(int stream);
1000 
setLowRamDevice(boolean isLowRamDevice, long totalMemory)1001     public static native int setLowRamDevice(boolean isLowRamDevice, long totalMemory);
1002     @UnsupportedAppUsage
checkAudioFlinger()1003     public static native int checkAudioFlinger();
1004 
listAudioPorts(ArrayList<AudioPort> ports, int[] generation)1005     public static native int listAudioPorts(ArrayList<AudioPort> ports, int[] generation);
createAudioPatch(AudioPatch[] patch, AudioPortConfig[] sources, AudioPortConfig[] sinks)1006     public static native int createAudioPatch(AudioPatch[] patch,
1007                                             AudioPortConfig[] sources, AudioPortConfig[] sinks);
releaseAudioPatch(AudioPatch patch)1008     public static native int releaseAudioPatch(AudioPatch patch);
listAudioPatches(ArrayList<AudioPatch> patches, int[] generation)1009     public static native int listAudioPatches(ArrayList<AudioPatch> patches, int[] generation);
setAudioPortConfig(AudioPortConfig config)1010     public static native int setAudioPortConfig(AudioPortConfig config);
1011 
startAudioSource(AudioPortConfig config, AudioAttributes audioAttributes)1012     public static native int startAudioSource(AudioPortConfig config,
1013                                               AudioAttributes audioAttributes);
stopAudioSource(int handle)1014     public static native int stopAudioSource(int handle);
1015 
1016     // declare this instance as having a dynamic policy callback handler
native_register_dynamic_policy_callback()1017     private static native final void native_register_dynamic_policy_callback();
1018     // declare this instance as having a recording configuration update callback handler
native_register_recording_callback()1019     private static native final void native_register_recording_callback();
1020 
1021     // must be kept in sync with value in include/system/audio.h
1022     public static final int AUDIO_HW_SYNC_INVALID = 0;
1023 
getAudioHwSyncForSession(int sessionId)1024     public static native int getAudioHwSyncForSession(int sessionId);
1025 
registerPolicyMixes(ArrayList<AudioMix> mixes, boolean register)1026     public static native int registerPolicyMixes(ArrayList<AudioMix> mixes, boolean register);
1027 
1028     /** see AudioPolicy.setUidDeviceAffinities() */
setUidDeviceAffinities(int uid, @NonNull int[] types, @NonNull String[] addresses)1029     public static native int setUidDeviceAffinities(int uid, @NonNull int[] types,
1030             @NonNull String[] addresses);
1031 
1032     /** see AudioPolicy.removeUidDeviceAffinities() */
removeUidDeviceAffinities(int uid)1033     public static native int removeUidDeviceAffinities(int uid);
1034 
systemReady()1035     public static native int systemReady();
1036 
getStreamVolumeDB(int stream, int index, int device)1037     public static native float getStreamVolumeDB(int stream, int index, int device);
1038 
1039     /**
1040      * @see AudioManager#setAllowedCapturePolicy()
1041      */
setAllowedCapturePolicy(int uid, int flags)1042     public static native int setAllowedCapturePolicy(int uid, int flags);
1043 
isOffloadSupported(@onNull AudioFormat format, @NonNull AudioAttributes attr)1044     static boolean isOffloadSupported(@NonNull AudioFormat format, @NonNull AudioAttributes attr) {
1045         return native_is_offload_supported(format.getEncoding(), format.getSampleRate(),
1046                 format.getChannelMask(), format.getChannelIndexMask(),
1047                 attr.getVolumeControlStream());
1048     }
1049 
native_is_offload_supported(int encoding, int sampleRate, int channelMask, int channelIndexMask, int streamType)1050     private static native boolean native_is_offload_supported(int encoding, int sampleRate,
1051             int channelMask, int channelIndexMask, int streamType);
1052 
getMicrophones(ArrayList<MicrophoneInfo> microphonesInfo)1053     public static native int getMicrophones(ArrayList<MicrophoneInfo> microphonesInfo);
1054 
getSurroundFormats(Map<Integer, Boolean> surroundFormats, boolean reported)1055     public static native int getSurroundFormats(Map<Integer, Boolean> surroundFormats,
1056                                                 boolean reported);
1057 
1058     /**
1059      * Returns a list of audio formats (codec) supported on the A2DP offload path.
1060      */
getHwOffloadEncodingFormatsSupportedForA2DP( ArrayList<Integer> formatList)1061     public static native int getHwOffloadEncodingFormatsSupportedForA2DP(
1062             ArrayList<Integer> formatList);
1063 
setSurroundFormatEnabled(int audioFormat, boolean enabled)1064     public static native int setSurroundFormatEnabled(int audioFormat, boolean enabled);
1065 
1066     /**
1067      * Communicate UID of active assistant to audio policy service.
1068      */
setAssistantUid(int uid)1069     public static native int setAssistantUid(int uid);
1070     /**
1071      * Communicate UIDs of active accessibility services to audio policy service.
1072      */
setA11yServicesUids(int[] uids)1073     public static native int setA11yServicesUids(int[] uids);
1074 
1075     /**
1076      * @see AudioManager#isHapticPlaybackSupported()
1077      */
isHapticPlaybackSupported()1078     public static native boolean isHapticPlaybackSupported();
1079 
1080     // Items shared with audio service
1081 
1082     /**
1083      * The delay before playing a sound. This small period exists so the user
1084      * can press another key (non-volume keys, too) to have it NOT be audible.
1085      * <p>
1086      * PhoneWindow will implement this part.
1087      */
1088     public static final int PLAY_SOUND_DELAY = 300;
1089 
1090     /**
1091      * Constant to identify a focus stack entry that is used to hold the focus while the phone
1092      * is ringing or during a call. Used by com.android.internal.telephony.CallManager when
1093      * entering and exiting calls.
1094      */
1095     public final static String IN_VOICE_COMM_FOCUS_ID = "AudioFocus_For_Phone_Ring_And_Calls";
1096 
1097     /**
1098      * @see AudioManager#setVibrateSetting(int, int)
1099      */
getValueForVibrateSetting(int existingValue, int vibrateType, int vibrateSetting)1100     public static int getValueForVibrateSetting(int existingValue, int vibrateType,
1101             int vibrateSetting) {
1102 
1103         // First clear the existing setting. Each vibrate type has two bits in
1104         // the value. Note '3' is '11' in binary.
1105         existingValue &= ~(3 << (vibrateType * 2));
1106 
1107         // Set into the old value
1108         existingValue |= (vibrateSetting & 3) << (vibrateType * 2);
1109 
1110         return existingValue;
1111     }
1112 
getDefaultStreamVolume(int streamType)1113     public static int getDefaultStreamVolume(int streamType) {
1114         return DEFAULT_STREAM_VOLUME[streamType];
1115     }
1116 
1117     public static int[] DEFAULT_STREAM_VOLUME = new int[] {
1118         4,  // STREAM_VOICE_CALL
1119         7,  // STREAM_SYSTEM
1120         5,  // STREAM_RING
1121         5, // STREAM_MUSIC
1122         6,  // STREAM_ALARM
1123         5,  // STREAM_NOTIFICATION
1124         7,  // STREAM_BLUETOOTH_SCO
1125         7,  // STREAM_SYSTEM_ENFORCED
1126         5, // STREAM_DTMF
1127         5, // STREAM_TTS
1128         5, // STREAM_ACCESSIBILITY
1129     };
1130 
streamToString(int stream)1131     public static String streamToString(int stream) {
1132         if (stream >= 0 && stream < STREAM_NAMES.length) return STREAM_NAMES[stream];
1133         if (stream == AudioManager.USE_DEFAULT_STREAM_TYPE) return "USE_DEFAULT_STREAM_TYPE";
1134         return "UNKNOWN_STREAM_" + stream;
1135     }
1136 
1137     /** The platform has no specific capabilities */
1138     public static final int PLATFORM_DEFAULT = 0;
1139     /** The platform is voice call capable (a phone) */
1140     public static final int PLATFORM_VOICE = 1;
1141     /** The platform is a television or a set-top box */
1142     public static final int PLATFORM_TELEVISION = 2;
1143 
1144     /**
1145      * Return the platform type that this is running on. One of:
1146      * <ul>
1147      * <li>{@link #PLATFORM_VOICE}</li>
1148      * <li>{@link #PLATFORM_TELEVISION}</li>
1149      * <li>{@link #PLATFORM_DEFAULT}</li>
1150      * </ul>
1151      */
getPlatformType(Context context)1152     public static int getPlatformType(Context context) {
1153         if (context.getResources().getBoolean(com.android.internal.R.bool.config_voice_capable)) {
1154             return PLATFORM_VOICE;
1155         } else if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
1156             return PLATFORM_TELEVISION;
1157         } else {
1158             return PLATFORM_DEFAULT;
1159         }
1160     }
1161 
1162     /**
1163      * @hide
1164      * @return whether the system uses a single volume stream.
1165      */
isSingleVolume(Context context)1166     public static boolean isSingleVolume(Context context) {
1167         boolean forceSingleVolume = context.getResources().getBoolean(
1168                 com.android.internal.R.bool.config_single_volume);
1169         return getPlatformType(context) == PLATFORM_TELEVISION || forceSingleVolume;
1170     }
1171 
1172     public static final int DEFAULT_MUTE_STREAMS_AFFECTED =
1173             (1 << STREAM_MUSIC) |
1174             (1 << STREAM_RING) |
1175             (1 << STREAM_NOTIFICATION) |
1176             (1 << STREAM_SYSTEM) |
1177             (1 << STREAM_VOICE_CALL) |
1178             (1 << STREAM_BLUETOOTH_SCO);
1179 
1180     /**
1181      * Event posted by AudioTrack and AudioRecord JNI (JNIDeviceCallback) when routing changes.
1182      * Keep in sync with core/jni/android_media_DeviceCallback.h.
1183      */
1184     final static int NATIVE_EVENT_ROUTING_CHANGE = 1000;
1185 }
1186 
1187