AIDL effect: add draining state support
- effects can transit to DRAINING state with STOP command and continue
the fade out processing
- add draining in the audio eraser effect as an example
- update VTS to support draining
Flag: EXEMPT bugfix
Bug: 379776482
Test: --test-mapping hardware/interfaces/audio/aidl/vts:presubmit
Change-Id: I2ca25cd085d1b6ae6cf8b0d1b58cd713aef0f7e5
diff --git a/audio/aidl/default/EffectThread.cpp b/audio/aidl/default/EffectThread.cpp
index b515385..1a52c13 100644
--- a/audio/aidl/default/EffectThread.cpp
+++ b/audio/aidl/default/EffectThread.cpp
@@ -68,7 +68,11 @@
RetCode EffectThread::startThread() {
{
std::lock_guard lg(mThreadMutex);
- mStop = false;
+ if (mDraining) {
+ mDraining = false;
+ } else {
+ mStop = false;
+ }
mCv.notify_one();
}
@@ -87,6 +91,25 @@
return RetCode::SUCCESS;
}
+RetCode EffectThread::startDraining() {
+ std::lock_guard lg(mThreadMutex);
+ mDraining = true;
+ mCv.notify_one();
+
+ LOG(VERBOSE) << mName << __func__;
+ return RetCode::SUCCESS;
+}
+
+RetCode EffectThread::finishDraining() {
+ std::lock_guard lg(mThreadMutex);
+ mDraining = false;
+ mStop = true;
+ mCv.notify_one();
+
+ LOG(VERBOSE) << mName << __func__;
+ return RetCode::SUCCESS;
+}
+
void EffectThread::threadLoop() {
pthread_setname_np(pthread_self(), mName.substr(0, kMaxTaskNameLen - 1).c_str());
setpriority(PRIO_PROCESS, 0, mPriority);