commit 331679c8a5cd21a0e6a7a1d851e965e4721f7420
author Eric Laurent <elaurent@google.com> Mon Apr 16 17:03:16 2018 -0700
committer Eric Laurent <elaurent@google.com> Mon Apr 16 17:08:06 2018 -0700
tree 9e3835bb805631ca42a90ded01796b73307a4642
parent 554e08c6b00b2a57348f4545d450915a9e8c870a

Revert "Revert "audioflinger: implement silenced capture for mmap""

This reverts commit 611ebb95e76c230214780b7b583b8a3c5277ac7a.

Bug: 78118584
bug: 72134552
Test: 'adb shell write_sine_callback -m3 -pl -s100 -x' and Plug headphones in and out.
Test: AAudio CTS tests
Change-Id: I7558ad7b9c6c2d352ebce105382fe914c26fd35e

services/audioflinger/MmapTracks.h

diff --git a/services/audioflinger/MmapTracks.h b/services/audioflinger/MmapTracks.h
index a210a1b..6f546c3 100644
--- a/services/audioflinger/MmapTracks.h
+++ b/services/audioflinger/MmapTracks.h
@@ -43,6 +43,15 @@
      static void        appendDumpHeader(String8& result);
             void        appendDump(String8& result, bool active);
 
+                        // protected by MMapThread::mLock
+            void        setSilenced_l(bool silenced) { mSilenced = silenced;
+                                                       mSilencedNotified = false;}
+                        // protected by MMapThread::mLock
+            bool        isSilenced_l() const { return mSilenced; }
+                        // protected by MMapThread::mLock
+            bool        getAndSetSilencedNotified_l() { bool silencedNotified = mSilencedNotified;
+                                                        mSilencedNotified = true;
+                                                        return silencedNotified; }
 private:
     friend class MmapThread;
 
@@ -58,5 +67,7 @@
     virtual void onTimestamp(const ExtendedTimestamp &timestamp);
 
     pid_t mPid;
+    bool  mSilenced;            // protected by MMapThread::mLock
+    bool  mSilencedNotified;    // protected by MMapThread::mLock
 };  // end of Track