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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-test-fw
* Created on: 21 авг. 2018 г.
*
* lsp-test-fw is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-test-fw is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-test-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_TEST_FW_FLOATBUFFER_H_
#define LSP_PLUG_IN_TEST_FW_FLOATBUFFER_H_
#include <lsp-plug.in/test-fw/version.h>
#include <lsp-plug.in/test-fw/types.h>
#include <lsp-plug.in/test-fw/helpers.h>
#include <stddef.h>
#include <stdio.h>
#include <stdint.h>
namespace lsp
{
namespace test
{
/**
* Represents a float buffer with specific memory alignment
* and constant boundary markers that helps to detect buffer
* overruns/underruns
*/
class LSP_TEST_FW_PUBLIC FloatBuffer
{
private:
float *pBuffer;
uint8_t *pData;
size_t nLength;
size_t nAlign;
bool bAligned;
mutable ssize_t nLastDiff;
private:
void allocate(size_t samples, size_t align, bool aligned);
public:
explicit FloatBuffer(size_t samples, size_t align = LSP_TEST_FW_DEFAULT_ALIGN, bool aligned = true);
explicit FloatBuffer(const FloatBuffer &src);
~FloatBuffer();
public:
inline void randomize_positive() { ::lsp::test::randomize_positive(pBuffer, nLength); };
inline void randomize_negative() { ::lsp::test::randomize_negative(pBuffer, nLength); };
inline void randomize_sign() { ::lsp::test::randomize_sign(pBuffer, nLength); };
inline void randomize_0to1() { ::lsp::test::randomize_0to1(pBuffer, nLength); };
inline void randomize(float min, float max) { ::lsp::test::randomize(pBuffer, nLength, min, max); }
void randomize() { ::lsp::test::randomize_positive(pBuffer, nLength); };
void fill_zero();
void fill(float v);
void copy(const FloatBuffer &buf);
void copy(const float *buf, size_t count);
void replace(const float *buf, size_t count);
void vfill(size_t off, size_t n, ...);
bool validate() const;
inline bool valid() const { return validate(); };
inline bool corrupted() const { return !validate(); };
bool equals_relative(const FloatBuffer &src, float tolerance = 1e-5f) const;
bool equals_absolute(const FloatBuffer &src, float tolerance = 1e-5f) const;
bool equals_adaptive(const FloatBuffer &src, float tolerance = 1e-5f) const;
void dump(FILE *out, const char *text) const;
void dump(FILE *out, const char *text, size_t from, size_t count) const;
inline void dump(const char *text) const { dump(stdout, text); }
inline void dump(const char *text, size_t from, size_t count) const { dump(stdout, text, from, count); }
void dump_hex(FILE *out, const char *text) const;
void dump_hex(FILE *out, const char *text, size_t from, size_t count) const;
void dump_hex(const char *text) const { dump(stdout, text); }
void dump_hex(const char *text, size_t from, size_t count) const { dump(stdout, text, from, count); }
inline bool aligned() const { return bAligned; }
inline size_t size() const { return nLength; }
inline ssize_t last_diff() const { return nLastDiff; }
inline float get_diff() const { return (nLastDiff >= 0) ? pBuffer[nLastDiff] : 0.0f; }
public:
inline float &operator [] (int index) {
return pBuffer[index];
}
inline float operator [] (int index) const {
return pBuffer[index];
}
inline float &operator [] (size_t index) {
return pBuffer[index];
}
inline float operator [] (size_t index) const {
return pBuffer[index];
}
inline float get(size_t index) const {
return pBuffer[index];
}
template <typename T>
inline T *data()
{
return reinterpret_cast<T *>(pBuffer);
}
inline float *data()
{
return pBuffer;
}
inline float *data(size_t offset)
{
return &pBuffer[offset];
}
inline operator float *()
{
return pBuffer;
}
inline operator const float *() const
{
return pBuffer;
}
};
}
}
#endif /* LSP_PLUG_IN_TEST_FW_FLOATBUFFER_H_ */
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