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Commit 4bd91653 authored by Eric Laurent's avatar Eric Laurent
Browse files

audio service: add watchdog for audio mode 

Add a watchdog to remove an application from the audio mode
owner stack if it has requested mode IN_COMMUNICATION and
has not been playing or capturing audio for more than 3 seconds.

This will prevent volume, routing and recording issues when
misbehaving apps do not properly reset the audio mode at the
end of a call.

Bug: 161564483
Test: Manual regression tests for VoIP use cases
Change-Id: I7c6f57a2c9a6c31d107a1bba2d7dfac6e3f275bd
(cherry picked from commit 852cd7d7)
parent b3beae79

services/core/java/com/android/server/audio/AudioService.java

+2 −2
Original line number Diff line number Diff line
@@ -6428,8 +6428,8 @@ public class AudioService extends IAudioService.Stub 
                                    CHECK_MODE_FOR_UID_PERIOD_MS);

                            break;

                        }

                        // For now just log the fact that an app is hogging the audio mode.

                        // TODO(b/160260850): remove abusive app from audio mode stack.

                        setModeInt(AudioSystem.MODE_NORMAL, h.getBinder(), h.getPid(), h.getUid(),

                                h.isPrivileged(), "MSG_CHECK_MODE_FOR_UID");

                        mModeLogger.log(new PhoneStateEvent(h.getPackage(), h.getPid()));

                    }

                    break;