Revert "Fix uncertainty of one normal mix buffer in AudioTrack::getTimestamp"

This reverts commit 54464ba861aaafd11ee5645f5d1ecd1171c6e9fe.

Bug: 17733142.

Change-Id: I9886d40032b2f7d96bee03e600e14f78943d8052

1 files changed, 1 insertions, 9 deletions

diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index 8c2bee4..c0a75b9 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -894,15 +894,7 @@ status_t AudioFlinger::PlaybackThread::Track::getTimestamp(AudioTimestamp& times
         uint32_t unpresentedFrames =
                 ((int64_t) playbackThread->mLatchQ.mUnpresentedFrames * mSampleRate) /
                 playbackThread->mSampleRate;
-        // FIXME Since we're using a raw pointer as the key, it is theoretically possible
-        //       for a brand new track to share the same address as a recently destroyed
-        //       track, and thus for us to get the frames released of the wrong track.
-        //       It is unlikely that we would be able to call getTimestamp() so quickly
-        //       right after creating a new track.  Nevertheless, the index here should
-        //       be changed to something that is unique.  Or use a completely different strategy.
-        ssize_t i = playbackThread->mLatchQ.mFramesReleased.indexOfKey(this);
-        uint32_t framesWritten = i >= 0 ?
-                playbackThread->mLatchQ.mFramesReleased[i] : mAudioTrackServerProxy->framesReleased();
+        uint32_t framesWritten = mAudioTrackServerProxy->framesReleased();
         bool checkPreviousTimestamp = mPreviousValid && framesWritten >= mPreviousFramesWritten;
         if (framesWritten < unpresentedFrames) {
             mPreviousValid = false;