Add IAudioManager method for releasing a recorder.

oneway releaseRecorder(int riid)
  - unregisters a client recorder

Bug: 123312504
Test: start and stop audio recording, check "dumpsys audio"
Change-Id: I894de434a0bfeaaca37601a406feda1c62e060c7

2 files changed, 9 insertions, 0 deletions

diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index d0642c6bbb..2f5ccb89e9 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -38,6 +38,7 @@ public:
         RELEASE_PLAYER                        = IBinder::FIRST_CALL_TRANSACTION + 3,
         TRACK_RECORDER                        = IBinder::FIRST_CALL_TRANSACTION + 4,
         RECORDER_EVENT                        = IBinder::FIRST_CALL_TRANSACTION + 5,
+        RELEASE_RECORDER                      = IBinder::FIRST_CALL_TRANSACTION + 6,
     };
 
     DECLARE_META_INTERFACE(AudioManager)
@@ -52,6 +53,7 @@ public:
     /*oneway*/ virtual status_t releasePlayer(audio_unique_id_t piid) = 0;
     virtual audio_unique_id_t trackRecorder(const sp<IBinder>& recorder) = 0;
     /*oneway*/ virtual status_t recorderEvent(audio_unique_id_t riid, recorder_state_t event) = 0;
+    /*oneway*/ virtual status_t releaseRecorder(audio_unique_id_t riid) = 0;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp
index f5d4826307..6235f06bc1 100644
--- a/services/audiomanager/IAudioManager.cpp
+++ b/services/audiomanager/IAudioManager.cpp
@@ -122,6 +122,13 @@ public:
         data.writeInt32((int32_t) event);
         return remote()->transact(RECORDER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
     }
+
+    virtual status_t releaseRecorder(audio_unique_id_t riid) {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
+        data.writeInt32((int32_t) riid);
+        return remote()->transact(RELEASE_RECORDER, data, &reply, IBinder::FLAG_ONEWAY);
+    }
 };
 
 IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService");