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/*
* Copyright (C) 2017 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 <common/all-versions/IncludeGuard.h>
#include <algorithm>
#include <vector>
#include <system/audio.h>
namespace android {
namespace hardware {
namespace audio {
namespace AUDIO_HAL_VERSION {
namespace implementation {
using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
/** @return true if gain is between 0 and 1 included. */
constexpr bool isGainNormalized(float gain) {
return gain >= 0.0 && gain <= 1.0;
}
namespace util {
template <typename T>
inline bool element_in(T e, const std::vector<T>& v) {
return std::find(v.begin(), v.end(), e) != v.end();
}
static inline Result analyzeStatus(status_t status) {
switch (status) {
case 0:
return Result::OK;
case -EINVAL:
return Result::INVALID_ARGUMENTS;
case -ENODATA:
return Result::INVALID_STATE;
case -ENODEV:
return Result::NOT_INITIALIZED;
case -ENOSYS:
return Result::NOT_SUPPORTED;
default:
return Result::INVALID_STATE;
}
}
static inline Result analyzeStatus(const char* className, const char* funcName, status_t status,
const std::vector<int>& ignoreErrors = {}) {
if (status != 0 && !element_in(-status, ignoreErrors)) {
ALOGW("Error from HAL %s in function %s: %s", className, funcName, strerror(-status));
}
return analyzeStatus(status);
}
} // namespace util
} // namespace implementation
} // namespace AUDIO_HAL_VERSION
} // namespace audio
} // namespace hardware
} // namespace android
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