You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.9 KiB
89 lines
2.9 KiB
/*
|
|
* 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_CONVERSION_HELPER_HIDL_H
|
|
#define ANDROID_HARDWARE_CONVERSION_HELPER_HIDL_H
|
|
|
|
#include PATH(android/hardware/audio/FILE_VERSION/types.h)
|
|
#include <hidl/HidlSupport.h>
|
|
#include <system/audio.h>
|
|
#include <utils/String8.h>
|
|
|
|
using ::android::hardware::audio::CPP_VERSION::ParameterValue;
|
|
using CoreResult = ::android::hardware::audio::CPP_VERSION::Result;
|
|
|
|
using ::android::hardware::Return;
|
|
using ::android::hardware::hidl_string;
|
|
using ::android::hardware::hidl_vec;
|
|
|
|
namespace android {
|
|
namespace CPP_VERSION {
|
|
|
|
class ConversionHelperHidl {
|
|
protected:
|
|
static status_t keysFromHal(const String8& keys, hidl_vec<hidl_string> *hidlKeys);
|
|
static status_t parametersFromHal(const String8& kvPairs, hidl_vec<ParameterValue> *hidlParams);
|
|
static void parametersToHal(const hidl_vec<ParameterValue>& parameters, String8 *values);
|
|
|
|
ConversionHelperHidl(const char* className);
|
|
|
|
template<typename R, typename T>
|
|
status_t processReturn(const char* funcName, const Return<R>& ret, T *retval) {
|
|
if (ret.isOk()) {
|
|
// This way it also works for enum class to unscoped enum conversion.
|
|
*retval = static_cast<T>(static_cast<R>(ret));
|
|
return OK;
|
|
}
|
|
return processReturn(funcName, ret);
|
|
}
|
|
|
|
template<typename T>
|
|
status_t processReturn(const char* funcName, const Return<T>& ret) {
|
|
if (!ret.isOk()) {
|
|
emitError(funcName, ret.description().c_str());
|
|
}
|
|
return ret.isOk() ? OK : FAILED_TRANSACTION;
|
|
}
|
|
|
|
status_t processReturn(const char* funcName, const Return<CoreResult>& ret) {
|
|
if (!ret.isOk()) {
|
|
emitError(funcName, ret.description().c_str());
|
|
}
|
|
return ret.isOk() ? analyzeResult(ret) : FAILED_TRANSACTION;
|
|
}
|
|
|
|
template<typename T>
|
|
status_t processReturn(
|
|
const char* funcName, const Return<T>& ret, CoreResult retval) {
|
|
if (!ret.isOk()) {
|
|
emitError(funcName, ret.description().c_str());
|
|
}
|
|
return ret.isOk() ? analyzeResult(retval) : FAILED_TRANSACTION;
|
|
}
|
|
|
|
private:
|
|
const char* mClassName;
|
|
|
|
static status_t analyzeResult(const CoreResult& result);
|
|
|
|
void emitError(const char* funcName, const char* description);
|
|
};
|
|
|
|
} // namespace CPP_VERSION
|
|
} // namespace android
|
|
|
|
#endif // ANDROID_HARDWARE_CONVERSION_HELPER_HIDL_H
|