Содержание

Parameters

Remarks

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This function applies a 2N-sample Fast Fourier Transform, and unswizzles the result such that the samples are in order of increasing frequency. Audio is first deinterleaved if it is multichannel.

void FFTInterleaved(XMVECTOR* pReal, XMVECTOR* pImaginary,
    const XMVECTOR* pUnityTable,
    const size_t uChannelCount, const size_t uLog2Length);

Parameters

pReal

[in, out] Real components of the FFT. Must have as least (1 << uLog2Length × uChannelCount) ÷ 4 elements.

pImaginary

[out] Imaginary components of the FFT. Must have at least (1 << uLog2Length × uChannelCount) ÷ 4 elements.

pUnityTable

[in] Unity table the FFT should use. Must have at least (1 << uLog2Length) elements. See FFTInitializeUnityTable for more information.

uChannelCount

[in] Number of channels in the FFT. uChannelCount must be within [1,6].

uLog2Length

[in] Log (base 2) of FFT length in frames. uLog2Length must be within [2, 9].

Remarks

All buffer parameters must be 16-byte aligned. Audio data must be 32-bit float mono.

For Use

Universal Windows Platform apps
Windows desktop apps
Windows 11
Windows 10
Windows 8.1
Windows 7 Service Pack 1
Xbox One
Xbox Series X|S
Windows Subsystem for Linux

Architecture

x86
x64
ARM64

For Development

Visual Studio 2022
Visual Studio 2019 (16.11)
clang/LLVM v12 - v18
GCC 10.5, 11.4, 12.3
MinGW 12.2, 13.2
Intel Classic Compiler
Intel oneAPI Compiler

DirectX Tool Kit for DirectX 11

DirectX Tool Kit for DirectX 12

DirectXMesh

DirectXTex

Tools

Test Suite