Merge "Add AudioPolicyServiceLocal interface" into main
diff --git a/media/audioserver/Android.bp b/media/audioserver/Android.bp
index e74fb91..ac2fcbe 100644
--- a/media/audioserver/Android.bp
+++ b/media/audioserver/Android.bp
@@ -21,6 +21,7 @@
     ],
 
     header_libs: [
+        "audiopolicyservicelocal_headers",
         "libaudiohal_headers",
         "libmedia_headers",
         "libmediametrics_headers",
diff --git a/media/audioserver/main_audioserver.cpp b/media/audioserver/main_audioserver.cpp
index 55847f4..5d7daa4 100644
--- a/media/audioserver/main_audioserver.cpp
+++ b/media/audioserver/main_audioserver.cpp
@@ -168,6 +168,7 @@
         ALOGW_IF(AudioSystem::setLocalAudioFlinger(af) != OK,
                 "%s: AudioSystem already has an AudioFlinger instance!", __func__);
         const auto aps = sp<AudioPolicyService>::make();
+        af->initAudioPolicyLocal(aps);
         ALOGD("%s: AudioPolicy created", __func__);
         ALOGW_IF(AudioSystem::setLocalAudioPolicyService(aps) != OK,
                  "%s: AudioSystem already has an AudioPolicyService instance!", __func__);
diff --git a/services/audioflinger/Android.bp b/services/audioflinger/Android.bp
index 9016420..b763f09 100644
--- a/services/audioflinger/Android.bp
+++ b/services/audioflinger/Android.bp
@@ -218,6 +218,8 @@
     ],
 
     header_libs: [
+        "audiopermissioncontroller_headers",
+        "audiopolicyservicelocal_headers",
         "libaaudio_headers",
         "libaudioclient_headers",
         "libaudiohal_headers",
@@ -225,6 +227,8 @@
         "libmedia_headers",
     ],
 
+    export_header_lib_headers: ["audiopolicyservicelocal_headers"],
+
     export_shared_lib_headers: [
         "libpermission",
     ],
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index a8f983b..143a766 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -33,6 +33,7 @@
 #include <audio_utils/FdToString.h>
 #include <audio_utils/SimpleLog.h>
 #include <media/IAudioFlinger.h>
+#include <media/IAudioPolicyServiceLocal.h>
 #include <media/MediaMetricsItem.h>
 #include <media/audiohal/DevicesFactoryHalInterface.h>
 #include <mediautils/ServiceUtilities.h>
@@ -426,6 +427,13 @@
                             const sp<MmapStreamCallback>& callback,
                             sp<MmapStreamInterface>& interface,
             audio_port_handle_t *handle) EXCLUDES_AudioFlinger_Mutex;
+
+    void initAudioPolicyLocal(sp<media::IAudioPolicyServiceLocal> audioPolicyLocal) {
+        if (mAudioPolicyServiceLocal.load() == nullptr) {
+            mAudioPolicyServiceLocal = std::move(audioPolicyLocal);
+        }
+    }
+
 private:
     // FIXME The 400 is temporarily too high until a leak of writers in media.log is fixed.
     static const size_t kLogMemorySize = 400 * 1024;
@@ -784,6 +792,9 @@
 
     // Bluetooth Variable latency control logic is enabled or disabled
     std::atomic<bool> mBluetoothLatencyModesEnabled = true;
+
+    // Local interface to AudioPolicyService, late inited, but logically const
+    mediautils::atomic_sp<media::IAudioPolicyServiceLocal> mAudioPolicyServiceLocal;
 };
 
 // ----------------------------------------------------------------------------
diff --git a/services/audiopolicy/permission/Android.bp b/services/audiopolicy/permission/Android.bp
index ce7b43c..d5f59a0 100644
--- a/services/audiopolicy/permission/Android.bp
+++ b/services/audiopolicy/permission/Android.bp
@@ -3,6 +3,12 @@
     default_applicable_licenses: ["Android-Apache-2.0"],
 }
 
+cc_library_headers {
+    name: "audiopermissioncontroller_headers",
+    host_supported: true,
+    export_include_dirs: ["include"],
+}
+
 cc_library {
     name: "audiopermissioncontroller",
 
diff --git a/services/audiopolicy/service/Android.bp b/services/audiopolicy/service/Android.bp
index f23ec94..84458f9 100644
--- a/services/audiopolicy/service/Android.bp
+++ b/services/audiopolicy/service/Android.bp
@@ -11,6 +11,8 @@
 cc_defaults {
     name: "libaudiopolicyservice_dependencies",
 
+    header_libs: ["audiopolicyservicelocal_headers"],
+
     shared_libs: [
         "android.media.audiopolicy-aconfig-cc",
         "audioclient-types-aidl-cpp",
@@ -87,6 +89,7 @@
     ],
 
     header_libs: [
+        "audiopolicyservicelocal_headers",
         "libaudiohal_headers",
         "libaudiopolicycommon",
         "libaudiopolicyengine_interface_headers",
@@ -114,5 +117,16 @@
 cc_library_headers {
     name: "libaudiopolicyservice_headers",
     host_supported: true,
-    export_include_dirs: ["."],
+    export_include_dirs: [
+        ".",
+        "include",
+    ],
+}
+
+cc_library_headers {
+    name: "audiopolicyservicelocal_headers",
+    host_supported: true,
+    export_include_dirs: ["include"],
+    header_libs: ["audiopermissioncontroller_headers"],
+    export_header_lib_headers: ["audiopermissioncontroller_headers"],
 }
diff --git a/services/audiopolicy/service/AudioPolicyService.cpp b/services/audiopolicy/service/AudioPolicyService.cpp
index 73c4a15..cc67481 100644
--- a/services/audiopolicy/service/AudioPolicyService.cpp
+++ b/services/audiopolicy/service/AudioPolicyService.cpp
@@ -317,6 +317,10 @@
     AudioSystem::audioPolicyReady();
 }
 
+const IPermissionProvider& AudioPolicyService::getPermissionProvider() const {
+    return *mPermissionController;
+}
+
 void AudioPolicyService::onAudioSystemReady() {
     sp<AudioPolicyEffects> audioPolicyEffects;
     {
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 41b28c5..699cacf 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -36,6 +36,7 @@
 #include <media/ToneGenerator.h>
 #include <media/AudioEffect.h>
 #include <media/AudioPolicy.h>
+#include <media/IAudioPolicyServiceLocal.h>
 #include <media/NativePermissionController.h>
 #include <media/UsecaseValidator.h>
 #include <mediautils/ServiceUtilities.h>
@@ -72,12 +73,14 @@
 using ::android::media::audiopolicy::AudioRecordClient;
 using ::com::android::media::permission::INativePermissionController;
 using ::com::android::media::permission::NativePermissionController;
+using ::com::android::media::permission::IPermissionProvider;
 
 class AudioPolicyService :
     public BinderService<AudioPolicyService>,
     public media::BnAudioPolicyService,
     public IBinder::DeathRecipient,
-    public SpatializerPolicyCallback
+    public SpatializerPolicyCallback,
+    public media::IAudioPolicyServiceLocal
 {
     friend class sp<AudioPolicyService>;
 
@@ -326,6 +329,9 @@
 
     status_t onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) override;
 
+    // -- IAudioPolicyLocal methods
+    const IPermissionProvider& getPermissionProvider() const override;
+
     // IBinder::DeathRecipient
     virtual     void        binderDied(const wp<IBinder>& who);
 
diff --git a/services/audiopolicy/service/include/media/IAudioPolicyServiceLocal.h b/services/audiopolicy/service/include/media/IAudioPolicyServiceLocal.h
new file mode 100644
index 0000000..6776ff9
--- /dev/null
+++ b/services/audiopolicy/service/include/media/IAudioPolicyServiceLocal.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <media/IPermissionProvider.h>
+#include <utils/RefBase.h>
+
+namespace android::media {
+
+class IAudioPolicyServiceLocal : public virtual RefBase {
+  public:
+    virtual const ::com::android::media::permission::IPermissionProvider&
+    getPermissionProvider() const = 0;
+
+    virtual ~IAudioPolicyServiceLocal() = default;
+};
+
+}  // namespace android::media