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> Unreal Engine API Reference > Runtime > Engine > Sound > USoundWave > USoundWave::GetCacheLookupIDForChunk

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USoundWave::GetCacheLookupIDForChunk

This is called by the audio stream cache when we try to get a chunk of compressed data.

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References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Sound/SoundWave.h
Include	#include "Sound/SoundWave.h"
Source	/Engine/Source/Runtime/Engine/Private/SoundWave.cpp

Syntax

uint64 GetCacheLookupIDForChunk
(
uint32 InChunkIndex
)

Remarks

This is called by the audio stream cache when we try to get a chunk of compressed data. It allows us to look up the chunk directly, rather than searching the cache linearly. Returns InvalidAudioStreamCacheLookupID if the chunk hasn't been added to the cache.

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