1 files changed, 34 insertions, 1 deletions

diff --git a/services/audiopolicy/service/AudioPolicyEffects.cpp b/services/audiopolicy/service/AudioPolicyEffects.cpp
index d72e255..f2d7f6f 100644
--- a/services/audiopolicy/service/AudioPolicyEffects.cpp
+++ b/services/audiopolicy/service/AudioPolicyEffects.cpp
@@ -295,16 +295,49 @@ status_t AudioPolicyEffects::releaseOutputSessionEffects(audio_io_handle_t outpu
     }
 
     EffectVector *procDesc = mOutputSessions.valueAt(index);
+
+    // just in case it already has a death wish
+    if (procDesc->mRefCount == 0) {
+        return NO_ERROR;
+    }
+
     procDesc->mRefCount--;
     ALOGV("releaseOutputSessionEffects(): session: %d, refCount: %d",
           audioSession, procDesc->mRefCount);
+
+    if (procDesc->mRefCount == 0) {
+        mAudioPolicyService->releaseOutputSessionEffectsDelayed(
+                output, stream, audioSession, 10000);
+    }
+
+    return status;
+}
+
+status_t AudioPolicyEffects::doReleaseOutputSessionEffects(audio_io_handle_t output,
+                         audio_stream_type_t stream,
+                         int audioSession)
+{
+    status_t status = NO_ERROR;
+    (void) output; // argument not used for now
+
+    Mutex::Autolock _l(mLock);
+    ssize_t index = mOutputSessions.indexOfKey(audioSession);
+    if (index < 0) {
+        ALOGV("doReleaseOutputSessionEffects: no output processing was attached to this stream");
+        return NO_ERROR;
+    }
+
+    EffectVector *procDesc = mOutputSessions.valueAt(index);
+    ALOGV("doReleaseOutputSessionEffects(): session: %d, refCount: %d",
+          audioSession, procDesc->mRefCount);
+
     if (procDesc->mRefCount == 0) {
         procDesc->setProcessorEnabled(false);
         procDesc->mEffects.clear();
         delete procDesc;
         mOutputSessions.removeItemsAt(index);
         mAudioPolicyService->onOutputSessionEffectsUpdate(stream, audioSession, false);
-        ALOGV("releaseOutputSessionEffects(): output processing released from session: %d",
+        ALOGV("doReleaseOutputSessionEffects(): output processing released from session: %d",
               audioSession);
     }
     return status;