AudioDefines.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "HAL/Platform.h"
 
 
#define MAX_AUDIOCHANNELS               64
 
 
#define INDEFINITELY_LOOPING_DURATION   10000.0f
 
 
#define SPEAKER_COUNT                   6
 
#define DEFAULT_LOW_FREQUENCY           600.0f
#define DEFAULT_MID_FREQUENCY           1000.0f
#define DEFAULT_HIGH_FREQUENCY          2000.0f
 
#define MAX_VOLUME                      4.0f
#define MIN_PITCH                       0.4f
#define MAX_PITCH                       2.0f
 
#define MIN_VOLUME_LINEAR               SMALL_NUMBER
#define MIN_VOLUME_DECIBELS             -160.f
 
#define MIN_SOUND_PRIORITY              0.0f
#define MAX_SOUND_PRIORITY              100.0f
 
#define DEFAULT_SUBTITLE_PRIORITY       10000.0f
 
 
#define MIN_FILTER_GAIN                 0.126f
#define MAX_FILTER_GAIN                 7.94f
 
#define MIN_FILTER_FREQUENCY            20.0f
#define MAX_FILTER_FREQUENCY            20000.0f
 
#define MIN_FILTER_BANDWIDTH            0.1f
#define MAX_FILTER_BANDWIDTH            2.0f
 
 
#define ENABLE_AUDIO_DEBUG !UE_BUILD_SHIPPING
 
 
namespace Audio
{
    using FDeviceId = uint32;
 
 
    // Magic numbers for mono upmix method
    inline constexpr float MonoUpmixFullVolume = 1.0f;
    inline constexpr float MonoUpmixEqualPower = 0.707f;
    inline constexpr float MonoUpmixLinear = 0.5f;
 
}