audio policy: binder calls for dynamic audio policy mixes

Add binder calls to register and unregister dynamic mixes
to AudioPolicyManager.

Bug: 16009464.

Change-Id: I4ef38166d0cfc88c984970969380d0cd6eb083ac

4 files changed, 30 insertions, 1 deletions

diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 5bcbca8..2826cad 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -18,6 +18,7 @@
 #define ANDROID_AUDIOPOLICY_INTERFACE_H
 
 #include <media/AudioSystem.h>
+#include <media/AudioPolicy.h>
 #include <utils/String8.h>
 
 #include <hardware/audio_policy.h>
@@ -201,6 +202,9 @@ public:
                                            audio_devices_t *device) = 0;
 
     virtual status_t releaseSoundTriggerSession(audio_session_t session) = 0;
+
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes) = 0;
+    virtual status_t unregisterPolicyMixes(Vector<AudioMix> mixes) = 0;
 };
 
 
diff --git a/services/audiopolicy/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
index abb1b21..d3c9013 100644
--- a/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/AudioPolicyInterfaceImpl.cpp
@@ -614,4 +614,20 @@ status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session)
     return mAudioPolicyManager->releaseSoundTriggerSession(session);
 }
 
+status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes, bool registration)
+{
+    Mutex::Autolock _l(mLock);
+    if(!modifyAudioRoutingAllowed()) {
+        return PERMISSION_DENIED;
+    }
+    if (mAudioPolicyManager == NULL) {
+        return NO_INIT;
+    }
+    if (registration) {
+        return mAudioPolicyManager->registerPolicyMixes(mixes);
+    } else {
+        return mAudioPolicyManager->unregisterPolicyMixes(mixes);
+    }
+}
+
 }; // namespace android
diff --git a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
index 4e42b25..4bc3c7f 100644
--- a/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/AudioPolicyInterfaceImplLegacy.cpp
@@ -555,7 +555,7 @@ status_t AudioPolicyService::setAudioPortConfig(const struct audio_port_config *
 
 status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
                                               audio_io_handle_t *output,
-                                              audio_session_t session,
+                                              audio_session_t session __unused,
                                               audio_stream_type_t *stream,
                                               uint32_t samplingRate,
                                               audio_format_t format,
@@ -590,4 +590,10 @@ status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session
     return INVALID_OPERATION;
 }
 
+status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes __unused,
+                                                 bool registration __unused)
+{
+    return INVALID_OPERATION;
+}
+
 }; // namespace android
diff --git a/services/audiopolicy/AudioPolicyService.h b/services/audiopolicy/AudioPolicyService.h
index da17728..09375cf 100644
--- a/services/audiopolicy/AudioPolicyService.h
+++ b/services/audiopolicy/AudioPolicyService.h
@@ -30,6 +30,7 @@
 #include <media/IAudioPolicyService.h>
 #include <media/ToneGenerator.h>
 #include <media/AudioEffect.h>
+#include <media/AudioPolicy.h>
 #include <hardware_legacy/AudioPolicyInterface.h>
 #include "AudioPolicyEffects.h"
 #include "AudioPolicyManager.h"
@@ -185,6 +186,8 @@ public:
 
     virtual audio_mode_t getPhoneState();
 
+    virtual status_t registerPolicyMixes(Vector<AudioMix> mixes, bool registration);
+
             status_t doStopOutput(audio_io_handle_t output,
                                   audio_stream_type_t stream,
                                   audio_session_t session);