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Migrated files from Kraken Engine. Added CMake scripts.

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This commit is contained in:
Kearwood Gilbert
2023-12-03 22:40:38 -08:00
parent 93e2be5ae3
commit 12f14999d1
7 changed files with 642 additions and 32 deletions
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.editorconfig Normal file
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# Visual Studio generated .editorconfig file with C++ settings.
root = true
[*.{c++,cc,cpp,cppm,cxx,h,h++,hh,hpp,hxx,inl,ipp,ixx,tlh,tli}]
# Visual C++ Code Style settings
cpp_generate_documentation_comments = xml
# Visual C++ Formatting settings
cpp_indent_braces = false
cpp_indent_multi_line_relative_to = innermost_parenthesis
cpp_indent_within_parentheses = indent
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[*.{c++,cc,cpp,cppm,cxx,h,h++,hh,hpp,hxx,inl,ipp,ixx,tlh,tli}]
# Visual C++ Code Style settings
cpp_generate_documentation_comments = xml
# Visual C++ Formatting settings
cpp_indent_braces = false
cpp_indent_multi_line_relative_to = outermost_parenthesis
cpp_indent_within_parentheses = indent
cpp_indent_preserve_within_parentheses = true
cpp_indent_case_contents = true
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cpp_indent_lambda_braces_when_parameter = true
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cpp_indent_preserve_comments = false
cpp_new_line_before_open_brace_namespace = same_line
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cpp_new_line_before_open_brace_function = new_line
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cpp_new_line_close_brace_same_line_empty_type = false
cpp_new_line_close_brace_same_line_empty_function = false
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34
.gitignore vendored
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# Prerequisites
*.d
# Compiled Object files
*.slo
*.lo
*.o
*.obj
# Precompiled Headers
*.gch
*.pch
# Compiled Dynamic libraries
*.so
*.dylib
*.dll
# Fortran module files
*.mod
*.smod
# Compiled Static libraries
*.lai
*.la
*.a
*.lib
# Executables
*.exe
*.out
*.app
build
.DS_Store

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CMakeLists.txt Normal file
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cmake_minimum_required (VERSION 3.16)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
project(siren)
set(PUBLIC_HEADERS
include/dsp.h
include/siren.h
)
set(SRCS
src/dsp_slow.cpp
src/dsp_vdsp.cpp
)
IF(APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated -Wno-deprecated-declarations -Wno-c++11-extensions")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated -Wno-deprecated-declarations -Wno-c++11-extensions")
FIND_LIBRARY(ACCELERATE_LIBRARY Accelerate)
MARK_AS_ADVANCED (ACCELERATE_LIBRARY)
SET(EXTRA_LIBS ${ACCELERATE_LIBRARY})
ENDIF (APPLE)
add_library(siren ${SRCS} ${PUBLIC_HEADERS})
TARGET_LINK_LIBRARIES( siren ${EXTRA_LIBS} )
SET_TARGET_PROPERTIES(
siren
PROPERTIES
VERSION 0.1.0
SOVERSION 0.1
PUBLIC_HEADER "${PUBLIC_HEADERS}"
)
install(
TARGETS siren
LIBRARY
DESTINATION lib
ARCHIVE
DESTINATION lib
PUBLIC_HEADER
DESTINATION include/siren
)

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include/dsp.h Normal file
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//
// dsp.h
// Kraken Engine / Siren
//
// Copyright 2023 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#pragma once
namespace siren {
namespace dsp {
#ifdef __APPLE__
#define SIREN_DSP_APPLE_VDSP
#include <Accelerate/Accelerate.h>
#else
// Slow, but portable fallback implementation
#define SIREN_DSP_SLOW
#endif
#if defined(SIREN_DSP_APPLE_VDSP)
// Apple vDSP
typedef DSPSplitComplex SplitComplex;
struct FFTWorkspace
{
FFTSetup setup;
void create(size_t length);
void destroy();
FFTWorkspace();
~FFTWorkspace();
};
#elif defined(SIREN_DSP_SLOW)
typedef struct
{
float* realp;
float* imagp;
} SplitComplex;
struct FFTWorkspace
{
float* sin_table;
float* cos_table;
void create(size_t length);
void destroy();
FFTWorkspace();
~FFTWorkspace();
};
#else
#error Not Implemented
#endif
void FFTForward(const FFTWorkspace& workspace, SplitComplex* src, size_t count);
void FFTInverse(const FFTWorkspace& workspace, SplitComplex* src, size_t count);
void Int16ToFloat(const short* src, size_t srcStride, float* dest, size_t destStride, size_t count);
void Scale(float* buffer, float scale, size_t count);
void ScaleCopy(const float* src, float scale, float* dest, size_t count);
void ScaleCopy(const SplitComplex* src, float scale, SplitComplex* dest, size_t count);
void ScaleRamp(float* buffer, float scaleStart, float scaleStep, size_t count);
void Accumulate(float* buffer, size_t bufferStride, const float* buffer2, size_t buffer2Stride, size_t count);
void Accumulate(SplitComplex* buffer, const SplitComplex* buffer2, size_t count);
void Multiply(const SplitComplex* a, const SplitComplex* b, SplitComplex* c, size_t count);
} // namespace dsp
} // namespace siren

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include/siren.h Normal file
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//
// hydra.h
// Kraken Engine / Siren
//
// Copyright 2023 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#pragma once
#include "dsp.h"

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src/dsp_slow.cpp Normal file
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//
// dsp_slow.cpp
// Kraken Engine / Siren
//
// Copyright 2023 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#include "../include/dsp.h"
// _USE_MATH_DEFINES must be defined to get M_PI in Windows
#define _USE_MATH_DEFINES
#include <math.h>
#include <assert.h>
#ifdef SIREN_DSP_SLOW
namespace siren {
namespace dsp {
FFTWorkspace::FFTWorkspace()
{
sin_table = nullptr;
cos_table = nullptr;
}
FFTWorkspace::~FFTWorkspace()
{
destroy();
}
void FFTWorkspace::create(size_t length)
{
size_t size = (length / 2);
cos_table = new float[size];
sin_table = new float[size];
for (int i = 0; i < size / 2; i++) {
float a = 2.0f * (float)M_PI * i / length;
cos_table[i] = cos(a);
sin_table[i] = sin(a);
}
}
void FFTWorkspace::destroy()
{
if (sin_table) {
delete sin_table;
sin_table = nullptr;
}
if (cos_table) {
delete cos_table;
cos_table = nullptr;
}
}
void FFTForward(const FFTWorkspace& workspace, SplitComplex* src, size_t count)
{
// Radix-2 Decimation in Time FFT Algorithm
// http://en.dsplib.org/content/fft_dec_in_time.html
// Only power-of-two sizes supported
assert((count & (count - 1)) == 0);
unsigned int levels = 0;
while (1 << levels <= (int)count) {
levels++;
}
for (size_t i = 0; i < count; i++) {
size_t j = 0;
for (int k = 0; k < (int)levels; k++) {
j <<= 1;
j |= ((i >> k) & 1);
}
if (j > i) {
float temp = src->realp[i];
src->realp[i] = src->realp[j];
src->realp[j] = temp;
temp = src->imagp[i];
src->imagp[i] = src->imagp[j];
src->imagp[j] = temp;
}
}
for (size_t size = 2; size <= count; size *= 2) {
size_t halfsize = size / 2;
size_t step = count / size;
for (size_t i = 0; i < count; i += size) {
for (size_t j = i, k = 0; j < i + halfsize; j++, k += step) {
float temp_real = src->realp[j + halfsize] * workspace.cos_table[k];
temp_real += src->imagp[j + halfsize] * workspace.sin_table[k];
float temp_imag = -src->realp[j + halfsize] * workspace.sin_table[k];
temp_imag += src->imagp[j + halfsize] * workspace.cos_table[k];
src->realp[j + halfsize] = src->realp[j] - temp_real;
src->imagp[j + halfsize] = src->imagp[j] - temp_imag;
src->realp[j] += temp_real;
src->imagp[j] += temp_imag;
}
}
}
}
void FFTInverse(const FFTWorkspace& workspace, SplitComplex* src, size_t count)
{
SplitComplex swapped;
swapped.imagp = src->realp;
swapped.realp = src->imagp;
FFTForward(workspace, &swapped, count);
}
void Int16ToFloat(const short* src, size_t srcStride, float* dest, size_t destStride, size_t count)
{
const short* r = src;
float* w = dest;
while (w < dest + destStride * count) {
*w = (float)*r;
r += srcStride;
w += destStride;
}
}
void Scale(float* buffer, float scale, size_t count)
{
float* w = buffer;
while (w < buffer + count) {
*w *= scale;
w++;
}
}
void ScaleCopy(const float* src, float scale, float* dest, size_t count)
{
const float* r = src;
float* w = dest;
while (w < dest + count) {
*w = *r * scale;
w++;
r++;
}
}
void ScaleCopy(const SplitComplex* src, float scale, SplitComplex* dest, size_t count)
{
ScaleCopy(src->realp, scale, dest->realp, count);
ScaleCopy(src->imagp, scale, dest->imagp, count);
}
void ScaleRamp(float* buffer, float scaleStart, float scaleStep, size_t count)
{
float* w = buffer;
float s = scaleStart;
while (w < buffer + count) {
*w *= s;
w++;
s += scaleStep;
}
}
void Accumulate(float* buffer, size_t bufferStride, const float* buffer2, size_t buffer2Stride, size_t count)
{
float* w = buffer;
const float* r = buffer2;
while (w < buffer + bufferStride * count) {
*w *= *r;
w += bufferStride;
r += buffer2Stride;
}
}
void Accumulate(SplitComplex* buffer, const SplitComplex* buffer2, size_t count)
{
for (size_t i = 0; i < count; i++) {
buffer->imagp[i] += buffer2->imagp[i];
buffer->realp[i] += buffer2->realp[i];
}
}
void Multiply(const SplitComplex* a, const SplitComplex* b, SplitComplex* c, size_t count)
{
for (size_t i = 0; i < count; i++) {
c->realp[i] = a->realp[i] * b->realp[i] - a->imagp[i] * b->imagp[i];
c->imagp[i] = a->realp[i] * b->imagp[i] + a->imagp[i] * b->realp[i];
}
}
} // namespace dsp
} // namespace siren
#endif // SIREN_DSP_SLOW

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src/dsp_vdsp.cpp Normal file
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//
// dsp_vDSP.cpp
// Kraken Engine / Siren
//
// Copyright 2023 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other materials
// provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those of the
// authors and should not be interpreted as representing official policies, either expressed
// or implied, of Kearwood Gilbert.
//
#include "../include/dsp.h"
#ifdef SIREN_DSP_APPLE_VDSP
#include <Accelerate/Accelerate.h>
namespace siren {
namespace dsp {
FFTWorkspace::FFTWorkspace()
{
setup = nullptr;
}
FFTWorkspace::~FFTWorkspace()
{
destroy();
}
void FFTWorkspace::create(size_t length)
{
setup = vDSP_create_fftsetup(length, kFFTRadix2);
}
void FFTWorkspace::destroy()
{
if (setup) {
vDSP_destroy_fftsetup(setup);
setup = nullptr;
}
}
void FFTForward(const FFTWorkspace& workspace, SplitComplex* src, size_t count)
{
vDSP_fft_zip(workspace.setup, src, 1, count, kFFTDirection_Forward);
}
void FFTInverse(const FFTWorkspace& workspace, SplitComplex* src, size_t count)
{
vDSP_fft_zip(workspace.setup, src, 1, count, kFFTDirection_Inverse);
}
void Int16ToFloat(const short* src, size_t srcStride, float* dest, size_t destStride, size_t count)
{
vDSP_vflt16(src, srcStride, dest, destStride, count);
}
void Scale(float* buffer, float scale, size_t count)
{
vDSP_vsmul(buffer, 1, &scale, buffer, 1, count);
}
void ScaleCopy(const float* src, float scale, float* dest, size_t count)
{
vDSP_vsmul(src, 1, &scale, dest, 1, count);
}
void ScaleCopy(const SplitComplex* src, float scale, SplitComplex* dest, size_t count)
{
ScaleCopy(src->realp, scale, dest->realp, count);
ScaleCopy(src->imagp, scale, dest->imagp, count);
}
void ScaleRamp(float* buffer, float scaleStart, float scaleStep, size_t count)
{
vDSP_vrampmul(buffer, 1, &scaleStart, &scaleStep, buffer, 1, count);
}
void Accumulate(float* buffer, size_t bufferStride, const float* buffer2, size_t buffer2Stride, size_t count)
{
vDSP_vadd(buffer, bufferStride, buffer2, buffer2Stride, buffer, bufferStride, count);
}
void Accumulate(SplitComplex* buffer, const SplitComplex* buffer2, size_t count)
{
vDSP_zvadd(buffer2, 1, buffer, 1, buffer, 1, count);
}
void Multiply(const SplitComplex* a, const SplitComplex* b, SplitComplex* c, size_t count)
{
vDSP_zvmul(a, 1, b, 1, c, 1, count, 1);
}
} // namespace dsp
} // namespace siren
#endif // SIREN_DSP_APPLE_VDSP