fix volume and effect enable delay on offloaded tracks
Volume: add a method to wake up the mediaserver playback
thread when a volume command is received on an offloaded track.
Effects: call effect chain process on offloaded playback threads
asynchronously from writes to allow effect state updates while
waiting for async write callback.
Bug: 10796540.
Change-Id: Id2747ae88783575d1d7ffd6fc86fbd054ab2c739
diff --git a/services/audioflinger/Tracks.cpp b/services/audioflinger/Tracks.cpp
index d8d325d..9c6e724 100644
--- a/services/audioflinger/Tracks.cpp
+++ b/services/audioflinger/Tracks.cpp
@@ -288,6 +288,12 @@
return mTrack->getTimestamp(timestamp);
}
+
+void AudioFlinger::TrackHandle::signal()
+{
+ return mTrack->signal();
+}
+
status_t AudioFlinger::TrackHandle::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
@@ -926,6 +932,16 @@
mIsInvalid = true;
}
+void AudioFlinger::PlaybackThread::Track::signal()
+{
+ sp<ThreadBase> thread = mThread.promote();
+ if (thread != 0) {
+ PlaybackThread *t = (PlaybackThread *)thread.get();
+ Mutex::Autolock _l(t->mLock);
+ t->broadcast_l();
+ }
+}
+
// ----------------------------------------------------------------------------
sp<AudioFlinger::PlaybackThread::TimedTrack>