Keep effects sessions active when the caller dies.

Don't remove effects until the session they are in goes away or all
AudioEffects have been explicitly released. This allows the control
panel process to die without stopping the effects.

Change-Id: I4496e5df080230ca1af149dec95c1309ab8ea888

1 files changed, 14 insertions, 0 deletions

diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 5009957..b26ed71 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -356,6 +356,20 @@ int AudioSystem::newAudioSessionId() {
     return af->newAudioSessionId();
 }
 
+void AudioSystem::acquireAudioSessionId(int audioSession) {
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af != 0) {
+        af->acquireAudioSessionId(audioSession);
+    }
+}
+
+void AudioSystem::releaseAudioSessionId(int audioSession) {
+    const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
+    if (af != 0) {
+        af->releaseAudioSessionId(audioSession);
+    }
+}
+
 // ---------------------------------------------------------------------------
 
 void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {