You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.6 KiB
51 lines
1.6 KiB
1 year ago
|
/*
|
||
|
SoLoud audio engine
|
||
|
Copyright (c) 2013-2015 Jari Komppa
|
||
|
|
||
|
This software is provided 'as-is', without any express or implied
|
||
|
warranty. In no event will the authors be held liable for any damages
|
||
|
arising from the use of this software.
|
||
|
|
||
|
Permission is granted to anyone to use this software for any purpose,
|
||
|
including commercial applications, and to alter it and redistribute it
|
||
|
freely, subject to the following restrictions:
|
||
|
|
||
|
1. The origin of this software must not be misrepresented; you must not
|
||
|
claim that you wrote the original software. If you use this software
|
||
|
in a product, an acknowledgment in the product documentation would be
|
||
|
appreciated but is not required.
|
||
|
|
||
|
2. Altered source versions must be plainly marked as such, and must not be
|
||
|
misrepresented as being the original software.
|
||
|
|
||
|
3. This notice may not be removed or altered from any source
|
||
|
distribution.
|
||
|
*/
|
||
|
|
||
|
#ifndef SOLOUD_FFT_H
|
||
|
#define SOLOUD_FFT_H
|
||
|
|
||
|
#include "soloud.h"
|
||
|
|
||
|
namespace SoLoud
|
||
|
{
|
||
|
namespace FFT
|
||
|
{
|
||
|
// Perform 1024 unit FFT. Buffer must have 1024 floats, and will be overwritten
|
||
|
void fft1024(float *aBuffer);
|
||
|
|
||
|
// Perform 256 unit FFT. Buffer must have 256 floats, and will be overwritten
|
||
|
void fft256(float *aBuffer);
|
||
|
|
||
|
// Perform 256 unit IFFT. Buffer must have 256 floats, and will be overwritten
|
||
|
void ifft256(float *aBuffer);
|
||
|
|
||
|
// Generic (slower) power of two FFT. Buffer is overwritten.
|
||
|
void fft(float *aBuffer, unsigned int aBufferLength);
|
||
|
|
||
|
// Generic (slower) power of two IFFT. Buffer is overwritten.
|
||
|
void ifft(float *aBuffer, unsigned int aBufferLength);
|
||
|
};
|
||
|
};
|
||
|
|
||
|
#endif
|