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/Tracks.cpp b/services/audioflinger/Tracks.cpp
index e8ca5ee..9b611d2 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -323,7 +323,8 @@
mFlags(flags),
mFastIndex(-1),
mUnderrunCount(0),
- mCachedVolume(1.0)
+ mCachedVolume(1.0),
+ mIsInvalid(false)
{
if (mCblk != NULL) {
// to avoid leaking a track name, do not allocate one unless there is an mCblk
@@ -834,6 +835,14 @@
return true;
}
+void AudioFlinger::PlaybackThread::Track::invalidate()
+{
+ // FIXME should use proxy
+ android_atomic_or(CBLK_INVALID, &mCblk->flags);
+ mCblk->cv.signal();
+ mIsInvalid = true;
+}
+
// ----------------------------------------------------------------------------
sp<AudioFlinger::PlaybackThread::TimedTrack>