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add license headers

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This commit is contained in:
Chris
2025-11-06 11:05:54 +01:00
parent a362ab6c91
commit 12ae07d115
22 changed files with 739 additions and 108 deletions
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27
util/audio_buffer.h
View File

@@ -1,3 +1,26 @@
/*
* audio_buffer.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <vector>
@@ -27,6 +50,8 @@ void audio_buffer_init(audio_buffer<t_sample>& a, size_t channels, size_t frames
template <typename t_sample>
void audio_buffer_update_ptrs(audio_buffer<t_sample>& a)
{
for (int ch = 0; ch < a.channels; ++ch) { a.channel_ptrs[ch] = a.flat_data.data() + ch * a.frames; }
for (int ch = 0; ch < a.channels; ++ch) {
a.channel_ptrs[ch] = a.flat_data.data() + ch * a.frames;
}
}
} // namespace trnr

36
util/audio_math.h
View File

@@ -1,8 +1,32 @@
/*
* audio_math.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <math.h>
namespace trnr {
inline double lin_2_db(double lin)
{
if (lin <= 1e-20) lin = 1e-20; // avoid log(0)
@@ -11,7 +35,13 @@ inline double lin_2_db(double lin)
inline double db_2_lin(double db) { return pow(10.0, db / 20.0); }
inline float midi_to_frequency(float midi_note) { return 440.0 * powf(2.0, ((float)midi_note - 69.0) / 12.0); }
inline float midi_to_frequency(float midi_note)
{
return 440.0 * powf(2.0, ((float)midi_note - 69.0) / 12.0);
}
inline float ms_to_samples(float ms, double sample_rate) { return (ms * 0.001f) * (float)sample_rate; }
} // namespace trnr
inline float ms_to_samples(float ms, double sample_rate)
{
return (ms * 0.001f) * (float)sample_rate;
}
} // namespace trnr

23
util/demo_noise.h
View File

@@ -1,3 +1,26 @@
/*
* demo_noise.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <math.h>

27
util/format.h
View File

@@ -1,4 +1,28 @@
/*
* format.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <algorithm>
#include <cstdarg>
#include <iomanip>
@@ -46,7 +70,8 @@ inline string float_to_string_trimmed(float value)
inline string to_upper(string& str)
{
std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c) { return std::toupper(c); });
std::transform(str.begin(), str.end(), str.begin(),
[](unsigned char c) { return std::toupper(c); });
return str;
}
} // namespace trnr

23
util/retro_buf.h
View File

@@ -1,3 +1,26 @@
/*
* retro_buf.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include "../companding/alaw.h"

28
util/smoother.h
View File

@@ -1,3 +1,26 @@
/*
* smoother.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include "audio_math.h"
@@ -14,7 +37,8 @@ struct smoother {
int32_t remaining;
};
inline void smoother_init(smoother& s, double samplerate, float time_ms, float initial_value = 0.0f)
inline void smoother_init(smoother& s, double samplerate, float time_ms,
float initial_value = 0.0f)
{
s.samplerate = fmax(0.0, samplerate);
s.time_samples = ms_to_samples(time_ms, s.samplerate);
@@ -57,4 +81,4 @@ inline float smoother_process_sample(smoother& s)
return s.current;
}
} // namespace trnr
} // namespace trnr