commit ea04d97050e778e7cefb755b442156310afada05
author Phil Burk <philburk@google.com> Mon Aug 07 12:30:44 2017 -0700
committer Phil Burk <philburk@google.com> Mon Aug 07 14:34:55 2017 -0700
tree bb9a6566e18b07b6a14236713b9e4eb6253c14ba
parent fc32901189f8655d3d51064a0366ec9d8264940d

aaudio: stop buzzing when MMAP stream disconnected

When a stream is disconnected, clear the MMAP memory
buffer to prevent the hardware from looping on stale data
and making a buzzing sound.

Bug: 63342351
Test: play GStomper with AAudio through headphones and then unplug them
Change-Id: I6372b0a031dea242e3830cc2d226a4c043d4467e

media/libaaudio/src/client/AudioEndpoint.h

diff --git a/media/libaaudio/src/client/AudioEndpoint.h b/media/libaaudio/src/client/AudioEndpoint.h
index 81a4f7b..f5b67e8 100644
--- a/media/libaaudio/src/client/AudioEndpoint.h
+++ b/media/libaaudio/src/client/AudioEndpoint.h
@@ -86,6 +86,11 @@
 
     int32_t getBufferCapacityInFrames() const;
 
+    /**
+     * Write zeros to the data queue memory.
+     */
+    void eraseDataMemory();
+
     void dump() const;
 
 private: