////  AudioData.cpp//  interface////  Created by Stephen Birarda on 1/29/13.//  Copyright (c) 2013 HighFidelity, Inc. All rights reserved.//#ifndef _WIN32 #include "AudioData.h" AudioData::AudioData() {    mixerAddress = 0;    mixerPort = 0;        averagedLatency = 0.0;    lastCallback.tv_usec = 0;    wasStarved = 0;    measuredJitter = 0;    jitterBuffer = 0;        mixerLoopbackFlag = false;    audioSocket = NULL;}  AudioData::~AudioData() {        delete audioSocket;} //  Take a pointer to the acquired microphone input samples and add procedural soundsvoid AudioData::addProceduralSounds(int16_t* inputBuffer, int numSamples) {    const float MAX_AUDIBLE_VELOCITY = 6.0;    const float MIN_AUDIBLE_VELOCITY = 0.1;    float speed = glm::length(_lastVelocity);    float volume = 400 * (1.f - speed/MAX_AUDIBLE_VELOCITY);    //  Add a noise-modulated sinewave with volume that tapers off with speed increasing    if ((speed > MIN_AUDIBLE_VELOCITY) && (speed < MAX_AUDIBLE_VELOCITY)) {        for (int i = 0; i < numSamples; i++) {            inputBuffer[i] += (int16_t) ((cosf((float)i / 8.f * speed) * randFloat()) * volume * speed) ;        }    }     return;}  #endif