commit 818e7a32ce3633980138aff2c2bfcc5158b3cfcc
author Andy Hung <hunga@google.com> Tue Feb 16 18:08:07 2016 -0800
committer Andy Hung <hunga@google.com> Fri Feb 19 13:15:16 2016 -0800
tree 61104149c08955e55a10b9353f80ed140ad3df26
parent 6ae5843c281301a9ffd1059d185620a9337e15a2

Implement server side playback timestamps with 64 bit accuracy

Provide server timestamps if the HAL doesn't provide it.
Provide monotonic - boottime translation.
Integrate record timestamps and playback timestamps together.

Bug: 17472992
Bug: 22871200
Bug: 26400089
Bug: 26682703
Change-Id: If1974f94232fcce7ba0bbcdf63d9e54ed51918ff

include/media/nbaio/MonoPipe.h

diff --git a/include/media/nbaio/MonoPipe.h b/include/media/nbaio/MonoPipe.h
index df9cafe..d2cd218 100644
--- a/include/media/nbaio/MonoPipe.h
+++ b/include/media/nbaio/MonoPipe.h
@@ -23,7 +23,7 @@
 
 namespace android {
 
-typedef SingleStateQueue<AudioTimestamp> AudioTimestampSingleStateQueue;
+typedef SingleStateQueue<ExtendedTimestamp> ExtendedTimestampSingleStateQueue;
 
 // MonoPipe is similar to Pipe except:
 //  - supports only a single reader, called MonoPipeReader
@@ -51,9 +51,9 @@
 
     // NBAIO_Sink interface
 
-    //virtual size_t framesWritten() const;
-    //virtual size_t framesUnderrun() const;
-    //virtual size_t underruns() const;
+    //virtual int64_t framesWritten() const;
+    //virtual int64_t framesUnderrun() const;
+    //virtual int64_t underruns() const;
 
     virtual ssize_t availableToWrite() const;
     virtual ssize_t write(const void *buffer, size_t count);
@@ -77,7 +77,7 @@
             bool    isShutdown();
 
             // Return NO_ERROR if there is a timestamp available
-            status_t getTimestamp(AudioTimestamp& timestamp);
+            status_t getTimestamp(ExtendedTimestamp &timestamp);
 
 private:
     const size_t    mReqFrames;     // as requested in constructor, unrounded
@@ -97,9 +97,9 @@
 
     bool            mIsShutdown;    // whether shutdown(true) was called, no barriers are needed
 
-    AudioTimestampSingleStateQueue::Shared      mTimestampShared;
-    AudioTimestampSingleStateQueue::Mutator     mTimestampMutator;
-    AudioTimestampSingleStateQueue::Observer    mTimestampObserver;
+    ExtendedTimestampSingleStateQueue::Shared      mTimestampShared;
+    ExtendedTimestampSingleStateQueue::Mutator     mTimestampMutator;
+    ExtendedTimestampSingleStateQueue::Observer    mTimestampObserver;
 };
 
 }   // namespace android