commit b3a486fecddc9e9264fe63d356eca0812493db27
author Andy Hung <hunga@google.com> Tue Aug 04 15:17:58 2015 -0700
committer Andy Hung <hunga@google.com> Fri Feb 12 00:34:47 2016 +0000
tree cd2ff28eac5233cdb2037b437cb68abe9b9dff3c
parent e8c8ed47ca15aa6be83c6feef89e27a832e763e9

Enable FastTrack timestamps

Bug: 26413951
Change-Id: I99a69241a0bcd69f6bfebf785cac6d9ee1e2cd5f

services/audioflinger/PlaybackTracks.h

diff --git a/services/audioflinger/PlaybackTracks.h b/services/audioflinger/PlaybackTracks.h
index 1450ca1..9a9e511 100644
--- a/services/audioflinger/PlaybackTracks.h
+++ b/services/audioflinger/PlaybackTracks.h
@@ -89,6 +89,7 @@
     // ExtendedAudioBufferProvider interface
     virtual size_t framesReady() const;
     virtual size_t framesReleased() const;
+    virtual void onTimestamp(const AudioTimestamp &timestamp);
 
     bool isPausing() const { return mState == PAUSING; }
     bool isPaused() const { return mState == PAUSED; }

services/audioflinger/Tracks.cpp

diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index b4c1fdd..b5db9fb 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -589,6 +589,11 @@
     return mAudioTrackServerProxy->framesReleased();
 }
 
+void AudioFlinger::PlaybackThread::Track::onTimestamp(const AudioTimestamp &timestamp)
+{
+    mAudioTrackServerProxy->setTimestamp(timestamp);
+}
+
 // Don't call for fast tracks; the framesReady() could result in priority inversion
 bool AudioFlinger::PlaybackThread::Track::isReady() const {
     if (mFillingUpStatus != FS_FILLING || isStopped() || isPausing()) {
@@ -846,7 +851,7 @@
 
 status_t AudioFlinger::PlaybackThread::Track::getTimestamp(AudioTimestamp& timestamp)
 {
-    // Client should implement this using SSQ; the unpresented frame count in latch is irrelevant
+    // FastTrack timestamps are read through SSQ
     if (isFastTrack()) {
         return INVALID_OPERATION;
     }