Prepare for track invalidation to be done by proxy
Don't rely on control block to determine whether track has been marked
invalid. Instead, use a local flag that can't be corrupted by client.
Change-Id: I783dafe828f93c1c3d2d0e5a08105ea536436efb
diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index 37e39a0..aaa5333 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -103,6 +103,8 @@
public:
void triggerEvents(AudioSystem::sync_event_t type);
+ void invalidate();
+ bool isInvalid() const { return mIsInvalid; }
virtual bool isTimedTrack() const { return false; }
bool isFastTrack() const { return (mFlags & IAudioFlinger::TRACK_FAST) != 0; }
virtual bool isOut() const;
@@ -143,6 +145,7 @@
volatile float mCachedVolume; // combined master volume and stream type volume;
// 'volatile' means accessed without lock or
// barrier, but is read/written atomically
+ bool mIsInvalid; // non-resettable latch, set by invalidate()
}; // end of Track
class TimedTrack : public Track {