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* Implemented SIMD-optimized gate functions for x86
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/* | ||
* Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/> | ||
* (C) 2023 Vladimir Sadovnikov <[email protected]> | ||
* | ||
* This file is part of lsp-dsp-lib | ||
* Created on: 19 окт. 2023 г. | ||
* | ||
* lsp-dsp-lib 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-dsp-lib 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-dsp-lib. If not, see <https://www.gnu.org/licenses/>. | ||
*/ | ||
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#ifndef LSP_PLUG_IN_DSP_COMMON_DYNAMICS_GATE_H_ | ||
#define LSP_PLUG_IN_DSP_COMMON_DYNAMICS_GATE_H_ | ||
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#include <lsp-plug.in/dsp/common/types.h> | ||
#include <lsp-plug.in/dsp/common/dynamics/types.h> | ||
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LSP_DSP_LIB_SYMBOL(void, gate_x1_gain, float *dst, const float *src, const LSP_DSP_LIB_TYPE(gate_knee_t) *c, size_t count); | ||
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LSP_DSP_LIB_SYMBOL(void, gate_x1_curve, float *dst, const float *src, const LSP_DSP_LIB_TYPE(gate_knee_t) *c, size_t count); | ||
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#endif /* LSP_PLUG_IN_DSP_COMMON_DYNAMICS_GATE_H_ */ |
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/* | ||
* Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/> | ||
* (C) 2023 Vladimir Sadovnikov <[email protected]> | ||
* | ||
* This file is part of lsp-dsp-lib | ||
* Created on: 19 окт. 2023 г. | ||
* | ||
* lsp-dsp-lib 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-dsp-lib 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-dsp-lib. If not, see <https://www.gnu.org/licenses/>. | ||
*/ | ||
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#ifndef PRIVATE_DSP_ARCH_GENERIC_DYNAMICS_GATE_H_ | ||
#define PRIVATE_DSP_ARCH_GENERIC_DYNAMICS_GATE_H_ | ||
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#ifndef PRIVATE_DSP_ARCH_GENERIC_IMPL | ||
#error "This header should not be included directly" | ||
#endif /* PRIVATE_DSP_ARCH_GENERIC_IMPL */ | ||
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namespace lsp | ||
{ | ||
namespace generic | ||
{ | ||
void gate_x1_gain(float *dst, const float *src, const dsp::gate_knee_t *c, size_t count) | ||
{ | ||
for (size_t i=0; i<count; ++i) | ||
{ | ||
float x = fabsf(src[i]); | ||
if (x <= c->start) | ||
x = c->gain_start; | ||
else if (x >= c->end) | ||
x = c->gain_end; | ||
else | ||
{ | ||
float lx = logf(x); | ||
x = expf(((c->herm[0]*lx + c->herm[1])*lx + c->herm[2])*lx + c->herm[3]); | ||
} | ||
dst[i] = x; | ||
} | ||
} | ||
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void gate_x1_curve(float *dst, const float *src, const dsp::gate_knee_t *c, size_t count) | ||
{ | ||
for (size_t i=0; i<count; ++i) | ||
{ | ||
float x = fabsf(src[i]); | ||
if (x <= c->start) | ||
x *= c->gain_start; | ||
else if (x >= c->end) | ||
x *= c->gain_end; | ||
else | ||
{ | ||
float lx = logf(x); | ||
x *= expf(((c->herm[0]*lx + c->herm[1])*lx + c->herm[2])*lx + c->herm[3]); | ||
} | ||
dst[i] = x; | ||
} | ||
} | ||
} /* namespace generic */ | ||
} /* namespace lsp */ | ||
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#endif /* PRIVATE_DSP_ARCH_GENERIC_DYNAMICS_GATE_H_ */ |
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