Update NBAIO to use the new audio HAL abstraction layer
Moved the HAL access abstraction layer to a separate library so it
can be used both by audioflinger and libnbaio.
Bug: 30222631
Test: manual with Loopback app, Hangouts, YouTube
Change-Id: Id622c2f1aa8f55a775d34f369a596c2c4d29d5be
diff --git a/include/media/audiohal/DevicesFactoryHalInterface.h b/include/media/audiohal/DevicesFactoryHalInterface.h
new file mode 100644
index 0000000..823a0da
--- /dev/null
+++ b/include/media/audiohal/DevicesFactoryHalInterface.h
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H
+#define ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H
+
+#include <media/audiohal/DeviceHalInterface.h>
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+
+namespace android {
+
+class DevicesFactoryHalInterface : public RefBase
+{
+ public:
+ virtual ~DevicesFactoryHalInterface() {}
+
+ // Opens a device with the specified name. To close the device, it is
+ // necessary to release references to the returned object.
+ virtual status_t openDevice(const char *name, sp<DeviceHalInterface> *device) = 0;
+
+ static sp<DevicesFactoryHalInterface> create();
+
+ protected:
+ // Subclasses can not be constructed directly by clients.
+ DevicesFactoryHalInterface() {}
+};
+
+} // namespace android
+
+#endif // ANDROID_HARDWARE_DEVICES_FACTORY_HAL_INTERFACE_H