Utilities.h

/*
 * Copyright 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 OBOE_UTILITIES_H
#define OBOE_UTILITIES_H
 
#include <unistd.h>
#include <sys/types.h>
#include <string>
#include "oboe/Definitions.h"
 
namespace oboe {
 
void convertFloatToPcm16(const float *source, int16_t *destination, int32_t numSamples);
 
void convertPcm16ToFloat(const int16_t *source, float *destination, int32_t numSamples);
 
int32_t convertFormatToSizeInBytes(AudioFormat format);
 
template <typename FromType>
const char * convertToText(FromType input);
 
std::string getPropertyString(const char * name);
 
int getPropertyInteger(const char * name, int defaultValue);
 
int getSdkVersion();
 
bool isAtLeastPreReleaseCodename(const std::string& codename);
 
int getChannelCountFromChannelMask(ChannelMask channelMask);
 
} // namespace oboe
 
#endif //OBOE_UTILITIES_H