in Source/AmazonPollyMetaHuman/Private/UnrealAWSUtils.cpp [41:47]
TArray<uint8> UnrealAWSUtils::PreparePollyData(Aws::IOStream& PollyStream) {
TArray<uint8> Buffer;
long size = GetStreamSize(PollyStream);
Buffer.AddUninitialized(size);
PollyStream.read(reinterpret_cast<char*>(Buffer.GetData()), size);
return Buffer;
}