audio: add audio HAL service and sound trigger HAL implementation
Audio HAL service is common to audio, audio effect, sound trigger and
bradcast radio HALs.
Bug: 32022304
Change-Id: I3952b9c6de3a6b34e757942120320cf8ae036ed5
diff --git a/audio/2.0/default/Android.mk b/audio/2.0/default/Android.mk
new file mode 100644
index 0000000..a987b41
--- /dev/null
+++ b/audio/2.0/default/Android.mk
@@ -0,0 +1,41 @@
+#
+# Copyright (C) 2016 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.
+
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := android.hardware.audio@2.0-service
+LOCAL_INIT_RC := android.hardware.audio@2.0-service.rc
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_SRC_FILES := \
+ service.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libhidl \
+ liblog \
+ libhwbinder \
+ libutils \
+ libhardware \
+ android.hardware.soundtrigger@2.0 \
+ android.hardware.audio.common@2.0
+
+ifeq ($(strip $(AUDIOSERVER_MULTILIB)),)
+LOCAL_MULTILIB := 32
+else
+LOCAL_MULTILIB := $(AUDIOSERVER_MULTILIB)
+endif
+
+include $(BUILD_EXECUTABLE)
diff --git a/audio/2.0/default/android.hardware.audio@2.0-service.rc b/audio/2.0/default/android.hardware.audio@2.0-service.rc
new file mode 100644
index 0000000..f9fecdb
--- /dev/null
+++ b/audio/2.0/default/android.hardware.audio@2.0-service.rc
@@ -0,0 +1,7 @@
+service audio-hal-2-0 /system/bin/hw/android.hardware.audio@2.0-service
+ class hal
+ user audioserver
+ # media gid needed for /dev/fm (radio) and for /data/misc/media (tee)
+ group audio camera drmrpc inet media mediadrm net_bt net_bt_admin net_bw_acct
+ ioprio rt 4
+ writepid /dev/cpuset/foreground/tasks /dev/stune/foreground/tasks
diff --git a/audio/2.0/default/service.cpp b/audio/2.0/default/service.cpp
new file mode 100644
index 0000000..f254512
--- /dev/null
+++ b/audio/2.0/default/service.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#define LOG_TAG "soundtriggerhal"
+
+#include <hwbinder/IInterface.h>
+#include <hwbinder/IPCThreadState.h>
+#include <hwbinder/ProcessState.h>
+#include <hidl/IServiceManager.h>
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <utils/Looper.h>
+#include <utils/StrongPointer.h>
+#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
+
+using android::hardware::IPCThreadState;
+using android::hardware::ProcessState;
+using android::hardware::soundtrigger::V2_0::ISoundTriggerHw;
+
+int main(int /* argc */, char* /* argv */ []) {
+ android::sp<ISoundTriggerHw> service =
+ ISoundTriggerHw::getService("sound_trigger.primary", true /* getStub */);
+
+ service->registerAsService("sound_trigger.primary");
+
+ ProcessState::self()->setThreadPoolMaxThreadCount(0);
+ ProcessState::self()->startThreadPool();
+ IPCThreadState::self()->joinThreadPool();
+}