Audio V4: Copy 2.0 audiohal to 4.0
For easier review of the changes, first copy 2.0 to 4.0, the changes
are made in the following patch.
Bug: 38184704
Test: compile
Change-Id: I5bf16e5f8e7b61cc13e86c06b899ec4e6624a961
Signed-off-by: Kevin Rocard <krocard@google.com>
diff --git a/media/libaudiohal/4.0/DevicesFactoryHalHidl.cpp b/media/libaudiohal/4.0/DevicesFactoryHalHidl.cpp
new file mode 100644
index 0000000..5b33592
--- /dev/null
+++ b/media/libaudiohal/4.0/DevicesFactoryHalHidl.cpp
@@ -0,0 +1,98 @@
+/*
+ * 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.
+ */
+
+#include <string.h>
+
+#define LOG_TAG "DevicesFactoryHalHidl"
+//#define LOG_NDEBUG 0
+
+#include <android/hardware/audio/2.0/IDevice.h>
+#include <media/audiohal/hidl/HalDeathHandler.h>
+#include <utils/Log.h>
+
+#include "ConversionHelperHidl.h"
+#include "DeviceHalHidl.h"
+#include "DevicesFactoryHalHidl.h"
+
+using ::android::hardware::audio::V2_0::IDevice;
+using ::android::hardware::audio::V2_0::Result;
+using ::android::hardware::Return;
+
+namespace android {
+
+DevicesFactoryHalHidl::DevicesFactoryHalHidl() {
+ mDevicesFactory = IDevicesFactory::getService();
+ if (mDevicesFactory != 0) {
+ // It is assumed that DevicesFactory is owned by AudioFlinger
+ // and thus have the same lifespan.
+ mDevicesFactory->linkToDeath(HalDeathHandler::getInstance(), 0 /*cookie*/);
+ } else {
+ ALOGE("Failed to obtain IDevicesFactory service, terminating process.");
+ exit(1);
+ }
+ // The MSD factory is optional
+ mDevicesFactoryMsd = IDevicesFactory::getService(AUDIO_HAL_SERVICE_NAME_MSD);
+ // TODO: Register death handler, and add 'restart' directive to audioserver.rc
+}
+
+DevicesFactoryHalHidl::~DevicesFactoryHalHidl() {
+}
+
+// static
+status_t DevicesFactoryHalHidl::nameFromHal(const char *name, IDevicesFactory::Device *device) {
+ if (strcmp(name, AUDIO_HARDWARE_MODULE_ID_PRIMARY) == 0) {
+ *device = IDevicesFactory::Device::PRIMARY;
+ return OK;
+ } else if(strcmp(name, AUDIO_HARDWARE_MODULE_ID_A2DP) == 0) {
+ *device = IDevicesFactory::Device::A2DP;
+ return OK;
+ } else if(strcmp(name, AUDIO_HARDWARE_MODULE_ID_USB) == 0) {
+ *device = IDevicesFactory::Device::USB;
+ return OK;
+ } else if(strcmp(name, AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX) == 0) {
+ *device = IDevicesFactory::Device::R_SUBMIX;
+ return OK;
+ } else if(strcmp(name, AUDIO_HARDWARE_MODULE_ID_STUB) == 0) {
+ *device = IDevicesFactory::Device::STUB;
+ return OK;
+ }
+ ALOGE("Invalid device name %s", name);
+ return BAD_VALUE;
+}
+
+status_t DevicesFactoryHalHidl::openDevice(const char *name, sp<DeviceHalInterface> *device) {
+ if (mDevicesFactory == 0) return NO_INIT;
+ IDevicesFactory::Device hidlDevice;
+ status_t status = nameFromHal(name, &hidlDevice);
+ if (status != OK) return status;
+ Result retval = Result::NOT_INITIALIZED;
+ Return<void> ret = mDevicesFactory->openDevice(
+ hidlDevice,
+ [&](Result r, const sp<IDevice>& result) {
+ retval = r;
+ if (retval == Result::OK) {
+ *device = new DeviceHalHidl(result);
+ }
+ });
+ if (ret.isOk()) {
+ if (retval == Result::OK) return OK;
+ else if (retval == Result::INVALID_ARGUMENTS) return BAD_VALUE;
+ else return NO_INIT;
+ }
+ return FAILED_TRANSACTION;
+}
+
+} // namespace android