Figure

Audio event log: audio services lifecycle

11-26 01:16:55:973 AudioService()

Message handler (watch for unhandled messages):

  Handler (com.android.server.audio.AudioService$AudioHandler) {40fac9e} @ 102972

    Looper (AudioService, tid 115) {178d37f}

      (Total messages: 0, polling=true, quitting=false)

MediaFocusControl dump time: 上午1:17:53

Audio Focus stack entries (last is top of stack):

No external focus policy

 Notify on duck:  true

 In ring or call: false

Audio event log: focus commands as seen by MediaFocusControl

11-26 01:17:01:901 requestAudioFocus() from uid/pid 10088/2084 AA=USAGE_NOTIFICATION/CONTENT_TYPE_SONIFICATION clientId=android.media.AudioManager@e06467f callingPack=com.android.systemui req=3 flags=0x0 sdk=31

11-26 01:17:04:628 abandonAudioFocus() from uid/pid 10088/2084 clientId=android.media.AudioManager@e06467f

11-26 01:17:10:146 requestAudioFocus() from uid/pid 10088/2084 AA=USAGE_NOTIFICATION/CONTENT_TYPE_SONIFICATION clientId=android.media.AudioManager@5242900 callingPack=com.android.systemui req=3 flags=0x0 sdk=31

11-26 01:17:12:730 abandonAudioFocus() from uid/pid 10088/2084 clientId=android.media.AudioManager@5242900

Multi Audio Focus enabled :false

Stream volumes (device: index)

- STREAM_VOICE_CALL:

   Muted: false

   Muted Internally: false

   Min: 1

   Max: 5

   streamVolume:2

   Current: 1 (earpiece): 2, 2 (speaker): 2, 4 (headset): 2, 8 (headphone): 2, 4000000 (usb_headset): 2, 40000000 (default): 2

   Devices: earpiece

- STREAM_SYSTEM:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 7

   streamVolume:2

   Current: 2 (speaker): 2, 4 (headset): 2, 8 (headphone): 2, 4000000 (usb_headset): 2, 40000000 (default): 2

   Devices: speaker

- STREAM_RING:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 7

   streamVolume:2

   Current: 2 (speaker): 2, 4 (headset): 2, 8 (headphone): 2, 4000000 (usb_headset): 2, 40000000 (default): 2

   Devices: speaker

- STREAM_MUSIC:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 39

   streamVolume:13

   Current: 2 (speaker): 13, 4 (headset): 10, 8 (headphone): 10, 4000000 (usb_headset): 10, 40000000 (default): 13

   Devices: speaker

- STREAM_ALARM:

   Muted: false

   Muted Internally: false

   Min: 1

   Max: 7

   streamVolume:3

   Current: 2 (speaker): 3, 4 (headset): 3, 8 (headphone): 3, 4000000 (usb_headset): 3, 40000000 (default): 3

   Devices: speaker

- STREAM_NOTIFICATION:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 7

   streamVolume:2

   Current: 2 (speaker): 2, 4 (headset): 2, 8 (headphone): 2, 4000000 (usb_headset): 2, 40000000 (default): 2

   Devices: speaker

- STREAM_BLUETOOTH_SCO:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 15

   streamVolume:7

   Current: 1 (earpiece): 7, 40000000 (default): 7

   Devices: earpiece

- STREAM_SYSTEM_ENFORCED:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 7

   streamVolume:2

   Current: 2 (speaker): 2, 4 (headset): 2, 8 (headphone): 2, 4000000 (usb_headset): 2, 40000000 (default): 2

   Devices: speaker

- STREAM_DTMF:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 15

   streamVolume:5

   Current: 2 (speaker): 5, 4 (headset): 4, 8 (headphone): 4, 4000000 (usb_headset): 4, 40000000 (default): 5

   Devices: speaker

- STREAM_TTS:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 15

   streamVolume:5

   Current: 2 (speaker): 5, 4 (headset): 4, 8 (headphone): 4, 4000000 (usb_headset): 4, 40000000 (default): 5

   Devices: speaker

- STREAM_ACCESSIBILITY:

   Muted: false

   Muted Internally: false

   Min: 1

   Max: 15

   streamVolume:6

   Current: 2 (speaker): 6, 4 (headset): 5, 8 (headphone): 5, 4000000 (usb_headset): 5, 40000000 (default): 6

   Devices: speaker

- STREAM_ASSISTANT:

   Muted: false

   Muted Internally: false

   Min: 0

   Max: 15

   streamVolume:5

   Current: 2 (speaker): 5, 4 (headset): 4, 8 (headphone): 4, 4000000 (usb_headset): 4, 40000000 (default): 5

   Devices: speaker

- mute affected streams = 0x6f

Volume Groups (device: index)

- VOLUME GROUP AUDIO_STREAM_ACCESSIBILITY:

   Min: 1

   Max: 15

   Current: 40000000 (default): 6

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_ALARM:

   Min: 1

   Max: 7

   Current: 40000000 (default): 3

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_ASSISTANT:

   Min: 0

   Max: 15

   Current: 40000000 (default): 5

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_DTMF:

   Min: 0

   Max: 15

   Current: 40000000 (default): 5

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_ENFORCED_AUDIBLE:

   Min: 0

   Max: 7

   Current: 40000000 (default): 2

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_MUSIC:

   Min: 0

   Max: 39

   Current: 40000000 (default): 13

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_NOTIFICATION:

   Min: 0

   Max: 7

   Current: 40000000 (default): 2

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_REROUTING:

   Min: 0

   Max: 39

   Current: 40000000 (default): 13

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_RING:

   Min: 0

   Max: 7

   Current: 40000000 (default): 2

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_SYSTEM:

   Min: 0

   Max: 7

   Current: 40000000 (default): 2

   Devices: speaker

- VOLUME GROUP AUDIO_STREAM_VOICE_CALL:

   Min: 1

   Max: 5

   Current: 40000000 (default): 2

   Devices: earpiece

- VOLUME GROUP AUDIO_STREAM_CALL_ASSISTANT:

   Min: 0

   Max: 39

   Current: 40000000 (default): 13

   Devices: speaker

Ringer mode: 

- mode (internal) = NORMAL

- mode (external) = NORMAL

- zen mode:ZEN_MODE_OFF

- ringer mode affected streams = 0x80 (STREAM_SYSTEM_ENFORCED)

- ringer mode muted streams = 0x0

- delegate = ZenModeHelper

Audio mode: 

- Requested mode = MODE_NORMAL

- Actual mode = MODE_NORMAL

- Mode owner: 

   None

- Mode owner stack: 

   Empty

Audio routes:

  mMainType=0x0

  mBluetoothName=null

Other state:

  mVolumeController=VolumeController(android.os.BinderProxy@41cef4c,mVisible=false)

  mSafeMediaVolumeState=SAFE_MEDIA_VOLUME_ACTIVE

  mSafeMediaVolumeIndex=100

  mSafeUsbMediaVolumeIndex=100

  mSafeUsbMediaVolumeDbfs=-37.0

  sIndependentA11yVolume=false

  mPendingVolumeCommand=null

  mMusicActiveMs=0

  mMcc=0

  mCameraSoundForced=false

  mHasVibrator=true

  mVolumePolicy=VolumePolicy[volumeDownToEnterSilent=false,volumeUpToExitSilent=false,doNotDisturbWhenSilent=false,vibrateToSilentDebounce=400]

  mAvrcpAbsVolSupported=false

  mBtScoOnByApp=false

  mIsSingleVolume=true

  mUseFixedVolume=false

  mFixedVolumeDevices=0x1000,0x800,0x200000,0x40000,0x40001

  mFullVolumeDevices=

  mExtVolumeController=null

  mHdmiAudioSystemClient=null

  mHdmiPlaybackClient=null

  mHdmiTvClient=null

  mHdmiSystemAudioSupported=false

  mHdmiCecVolumeControlEnabled=false

  mIsCallScreeningModeSupported=true

  mic mute FromSwitch=false FromRestrictions=false FromApi=false from system=false

  mAssistantUid=0

  mCurrentImeUid=0

  mMonitorRotation=false

  No accessibility service Uids.

Audio policies:

Audio event log: dynamic policy events (logged when command received by AudioService)

PlaybackActivityMonitor dump time: 上午1:17:53

  playback listeners:

 (S)com.android.server.audio.PlaybackActivityMonitor$PlayMonitorClient@2033b95 (S)com.android.server.audio.PlaybackActivityMonitor$PlayMonitorClient@1c5f4aa (S)com.android.server.audio.PlaybackActivityMonitor$PlayMonitorClient@751289b

  players:

  AudioPlaybackConfiguration piid:295 deviceId:0 type:android.media.SoundPool u/pid:1000/1016 state:idle attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null sessionId:0

  AudioPlaybackConfiguration piid:303 deviceId:0 type:android.media.SoundPool u/pid:10088/2084 state:idle attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null sessionId:0

  AudioPlaybackConfiguration piid:327 deviceId:0 type:android.media.SoundPool u/pid:1000/4195 state:idle attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x801 tags= bundle=null sessionId:0

  ducked players piids:

  faded out players piids:

  muted player piids:

  banned uids:

Audio event log: playback activity as reported through PlayerBase

11-26 01:16:58:083 new player piid:295 uid/pid:1000/1016 type:android.media.SoundPool attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null session:0

11-26 01:16:58:928 new player piid:303 uid/pid:10088/2084 type:android.media.SoundPool attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null session:0

11-26 01:17:01:752 new player piid:311 uid/pid:10088/2084 type:android.media.MediaPlayer attr:AudioAttributes: usage=USAGE_UNKNOWN content=CONTENT_TYPE_UNKNOWN flags=0x800 tags= bundle=null session:0

11-26 01:17:01:762 player piid:311 new AudioAttributes:AudioAttributes: usage=USAGE_NOTIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null

11-26 01:17:02:405 player piid:311 state:started DeviceId:0

11-26 01:17:02:742 player piid:311 state:device DeviceId:3

11-26 01:17:04:626 player piid:311 state:stopped DeviceId:0

11-26 01:17:04:666 releasing player piid:311

11-26 01:17:10:027 new player piid:319 uid/pid:10088/2084 type:android.media.MediaPlayer attr:AudioAttributes: usage=USAGE_UNKNOWN content=CONTENT_TYPE_UNKNOWN flags=0x800 tags= bundle=null session:0

11-26 01:17:10:028 player piid:319 new AudioAttributes:AudioAttributes: usage=USAGE_NOTIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x800 tags= bundle=null

11-26 01:17:10:651 player piid:319 state:started DeviceId:0

11-26 01:17:10:861 player piid:319 state:device DeviceId:3

11-26 01:17:12:730 player piid:319 state:stopped DeviceId:0

11-26 01:17:12:734 releasing player piid:319

11-26 01:17:20:201 new player piid:327 uid/pid:1000/4195 type:android.media.SoundPool attr:AudioAttributes: usage=USAGE_ASSISTANCE_SONIFICATION content=CONTENT_TYPE_SONIFICATION flags=0x801 tags= bundle=null session:0

  allowed capture policies:

RecordActivityMonitor dump time: 上午1:17:53

Audio event log: recording activity received by AudioService

AudioDeviceBroker:

  Message handler (watch for unhandled messages):

    Handler (com.android.server.audio.AudioDeviceBroker$BrokerHandler) {acfb438} @ 102993

      Looper (AudioDeviceBroker, tid 116) {ea8fc11}

        (Total messages: 0, polling=true, quitting=false)

  Preferred devices for strategy:

  Connected devices:

  APM Connected device (A2DP sink only):

  Communication route clients:

  Computed Preferred communication device: null

  Applied Preferred communication device: null

  Active communication device: AudioDeviceAttributes: role:output type:earpiece addr:

  mCommunicationStrategyId: 15

  mModeOwnerPid: 0

  mBluetoothHeadset: android.bluetooth.BluetoothHeadset@5bf2226

  mBluetoothHeadsetDevice: null

  mScoAudioState: SCO_STATE_INACTIVE

  mScoAudioMode: SCO_MODE_VIRTUAL_CALL

  mHearingAid: android.bluetooth.BluetoothHearingAid@9f71c9

  mA2dp: android.bluetooth.BluetoothA2dp@ad839f

  mAvrcpAbsVolSupported: false

SoundEffects:

  Message handler (watch for unhandled messages):

  Handler (com.android.server.audio.SoundEffectsHelper$SfxHandler) {e6b176} @ 102995

    Looper (AS.SfxWorker, tid 114) {38fb377}

      (Total messages: 0, polling=true, quitting=false)

  Default attenuation (dB): -6

Audio event log: Sound Effects Loading

11-26 01:16:58:080 effects loading started

11-26 01:16:58:372 effect Effect_Tick.ogg loaded

11-26 01:16:58:593 effect KeypressStandard.ogg loaded

11-26 01:16:58:660 effect KeypressSpacebar.ogg loaded

11-26 01:16:58:869 effect KeypressReturn.ogg loaded

11-26 01:16:58:876 effect KeypressDelete.ogg loaded

11-26 01:16:59:161 effect KeypressInvalid.ogg loaded

11-26 01:16:59:161 effects loading completed

Event logs:

Audio event log: phone state (logged after successful call to AudioSystem.setPhoneState(int, int))

Audio event log: wired/A2DP/hearing aid device connection

11-26 01:16:58:063 onUpdateCommunicationRoute, preferredCommunicationDevice: null eventSource: resetBluetoothSco

11-26 01:16:58:065 removePreferredDevicesForStrategySync, strategy: 15

11-26 01:17:01:043 onUpdateCommunicationRoute, preferredCommunicationDevice: null eventSource: resetBluetoothSco

11-26 01:17:01:046 removePreferredDevicesForStrategySync, strategy: 15

11-26 01:17:01:294 BT profile service: connecting A2DP profile

11-26 01:17:01:533 BT profile service: connecting HEARING_AID profile

11-26 01:17:03:487 BT profile service: connecting HEADSET profile

Audio event log: force use (logged before setForceUse() is executed)

11-26 01:16:56:025 setForceUse(FOR_SYSTEM, FORCE_NONE) due to AudioService ctor

11-26 01:16:56:031 setForceUse(FOR_ENCODED_SURROUND, FORCE_NONE) due to readPersistedSettings

11-26 01:16:56:032 setForceUse(FOR_DOCK, FORCE_ANALOG_DOCK) due to readDockAudioSettings

11-26 01:16:58:017 setForceUse(FOR_VIBRATE_RINGING, FORCE_NONE) due to muteRingerModeStreams() from u/pid:1000/1016

11-26 01:16:58:081 setForceUse(FOR_VIBRATE_RINGING, FORCE_NONE) due to muteRingerModeStreams() from u/pid:1000/1016

11-26 01:16:58:661 setForceUse(FOR_ENCODED_SURROUND, FORCE_NONE) due to readPersistedSettings

11-26 01:16:58:661 setForceUse(FOR_DOCK, FORCE_ANALOG_DOCK) due to readDockAudioSettings

11-26 01:16:58:694 setForceUse(FOR_VIBRATE_RINGING, FORCE_NONE) due to muteRingerModeStreams() from u/pid:1000/1016

11-26 01:17:01:050 setForceUse(FOR_VIBRATE_RINGING, FORCE_NONE) due to muteRingerModeStreams() from u/pid:1000/1016

Audio event log: volume changes (logged when command received by AudioService)

Supported System Usages:

	USAGE_CALL_ASSISTANT