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Commit 90874337 authored by John Spurlock's avatar John Spurlock
Browse files

AudioService: Write base stream volume changes to the event log. 

 - Add a new volume_changed event, reported at the stream level.
 - Only include changes to base streams (no aliases).
 - Include the caller for each change.  A caller is either:
   -  a pkg name (for external calls or known media sessions)
   -  a system server class's log tag (for internal calls,
      disambiguates "android")

Bug: 19599935
Change-Id: Ia61b68ff1e7e2907a24972790ec052bfe099e665
parent af66416e

media/java/android/media/AudioManager.java

+4 −3
Original line number Diff line number Diff line
@@ -1498,7 +1498,7 @@ public class AudioManager { 
    public void setMode(int mode) {

        IAudioService service = getService();

        try {

            service.setMode(mode, mICallBack);

            service.setMode(mode, mICallBack, mContext.getOpPackageName());

        } catch (RemoteException e) {

            Log.e(TAG, "Dead object in setMode", e);

        }
@@ -3037,7 +3037,8 @@ public class AudioManager { 
    public void setWiredDeviceConnectionState(int type, int state, String address, String name) {

        IAudioService service = getService();

        try {

            service.setWiredDeviceConnectionState(type, state, address, name);

            service.setWiredDeviceConnectionState(type, state, address, name,

                    mContext.getOpPackageName());

        } catch (RemoteException e) {

            Log.e(TAG, "Dead object in setWiredDeviceConnectionState "+e);

        }
@@ -3181,7 +3182,7 @@ public class AudioManager { 
     */

    public void disableSafeMediaVolume() {

        try {

            getService().disableSafeMediaVolume();

            getService().disableSafeMediaVolume(mContext.getOpPackageName());

        } catch (RemoteException e) {

            Log.w(TAG, "Error disabling safe media volume", e);

        }

media/java/android/media/AudioManagerInternal.java

+1 −2
Original line number Diff line number Diff line
@@ -27,8 +27,7 @@ import com.android.server.LocalServices; 
public abstract class AudioManagerInternal {



    public abstract void adjustSuggestedStreamVolumeForUid(int streamType, int direction,

            int flags,

            String callingPackage, int uid);

            int flags, String callingPackage, int uid);



    public abstract void adjustStreamVolumeForUid(int streamType, int direction, int flags,

            String callingPackage, int uid);

media/java/android/media/IAudioService.aidl

+6 −4
Original line number Diff line number Diff line
@@ -40,7 +40,7 @@ import android.view.KeyEvent; 
interface IAudioService {



    void adjustSuggestedStreamVolume(int direction, int suggestedStreamType, int flags,

            String callingPackage);

            String callingPackage, String caller);



    void adjustStreamVolume(int streamType, int direction, int flags, String callingPackage);
@@ -80,7 +80,7 @@ interface IAudioService { 


    boolean shouldVibrate(int vibrateType);



    void setMode(int mode, IBinder cb);

    void setMode(int mode, IBinder cb, String callingPackage);



    int getMode();
@@ -181,7 +181,9 @@ interface IAudioService { 
    IRingtonePlayer getRingtonePlayer();

    int getUiSoundsStreamType();



    void setWiredDeviceConnectionState(int type, int state, String address, String name);

    void setWiredDeviceConnectionState(int type, int state, String address, String name,

            String caller);



    int setBluetoothA2dpDeviceConnectionState(in BluetoothDevice device, int state, int profile);



    AudioRoutesInfo startWatchingRoutes(in IAudioRoutesObserver observer);
@@ -196,7 +198,7 @@ interface IAudioService { 


    boolean isStreamAffectedByMute(int streamType);



    void disableSafeMediaVolume();

    void disableSafeMediaVolume(String callingPackage);



    int setHdmiSystemAudioSupported(boolean on);

services/core/java/com/android/server/EventLogTags.logtags

+5 −0
Original line number Diff line number Diff line
@@ -216,3 +216,8 @@ option java_package com.android.server 
# ---------------------------

2755 fstrim_start (time|2|3)

2756 fstrim_finish (time|2|3)



# ---------------------------

# AudioService.java

# ---------------------------

40000 volume_changed (stream|1), (prev_level|1), (level|1), (max_level|1), (caller|3)