AudioCompressionSettingsUtils.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "AudioCompressionSettings.h"
 
struct FCachedAudioStreamingManagerParams;
 
class FPlatformCompressionUtilities
{
public:
    // Returns the Duration Threshold for the current platform if it is overridden, -1.0f otherwise.
    static ENGINE_API float GetCompressionDurationForCurrentPlatform();
 
    // Returns the sample rate for a given platform,
    static ENGINE_API float GetTargetSampleRateForPlatform(ESoundwaveSampleRateSettings InSampleRateLevel = ESoundwaveSampleRateSettings::High);
 
    static ENGINE_API int32 GetMaxPreloadedBranchesForCurrentPlatform();
 
    static ENGINE_API int32 GetQualityIndexOverrideForCurrentPlatform();
 
    static ENGINE_API void RecacheCookOverrides();
 
    // null platformname means to use current platform
    static ENGINE_API const FPlatformAudioCookOverrides* GetCookOverrides(const TCHAR* PlatformName=nullptr, bool bForceRecache = false);
 
    UE_DEPRECATED(5.5, "this always returns true, no longer needed.")
    static bool IsCurrentPlatformUsingStreamCaching() { return true; };
 
    // null platformname means to use current platform
    static ENGINE_API const FAudioStreamCachingSettings& GetStreamCachingSettingsForCurrentPlatform();
 
    static ENGINE_API FCachedAudioStreamingManagerParams BuildCachedStreamingManagerParams();
 
    static ENGINE_API uint32 GetMaxChunkSizeForCookOverrides(const FPlatformAudioCookOverrides* InCompressionOverrides);
 
    template<typename HashType>
    static void AppendHash(FString& OutString, const TCHAR* InName, const HashType& InValueToHash)
    {
        OutString += FString::Printf(TEXT("%s_%s_"), InName, ToCStr(LexToString(InValueToHash)));
    }
 
private:
    static ENGINE_API const FPlatformRuntimeAudioCompressionOverrides* GetRuntimeCompressionOverridesForCurrentPlatform();
    
};