Generate src/sfizz/Config.h with CMake
currently only necessary to customize the MIDI_CC_COUNT value. Removed the previous sfizz_match_definitions.cpp checking file generation.
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redtide
parent
6878125b92
commit
0a8f4e0ebf
3 changed files with 188 additions and 9 deletions
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@ -129,6 +129,10 @@ if(PROJECT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
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set(PROJECT_IS_MAIN TRUE)
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endif()
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# Generate Config.h
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configure_file("${PROJECT_SOURCE_DIR}/src/Config.h.in"
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"${PROJECT_SOURCE_DIR}/src/sfizz/Config.h" @ONLY)
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# Don't show build information when building a different project
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function(show_build_info_if_needed)
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if(PROJECT_IS_MAIN)
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@ -306,15 +306,6 @@ if(SFIZZ_IMPLEMENT_CXX17_ALIGNED_NEW_SUPPORT)
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endif()
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sfizz_enable_fast_math(sfizz_internal)
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# TODO: sfz::config::numCCs generated with CMake
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# Check that sfizz and cmake-side definitions are matching
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/sfizz_match_definitions.cpp" "
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#include \"Config.h\"
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static_assert(sfz::config::numCCs == ${MIDI_CC_COUNT}, \"MIDI_CC_COUNT did not match\");
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")
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add_library(sfizz_match_definitions STATIC "${CMAKE_CURRENT_BINARY_DIR}/sfizz_match_definitions.cpp")
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target_link_libraries(sfizz_match_definitions PRIVATE sfizz::internal)
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# Sfizz static library
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add_library(sfizz_static STATIC sfizz/sfizz_wrapper.cpp sfizz/sfizz.cpp sfizz/sfizz_private.hpp)
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add_library(sfizz::static ALIAS sfizz_static)
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184
src/Config.h.in
Normal file
184
src/Config.h.in
Normal file
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@ -0,0 +1,184 @@
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// SPDX-License-Identifier: BSD-2-Clause
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// This code is part of the sfizz library and is licensed under a BSD 2-clause
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// license. You should have receive a LICENSE.md file along with the code.
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// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
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#pragma once
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#ifdef _WIN32
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// There's a spurious min/max function in MSVC that makes everything go badly...
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#ifndef NOMINMAX
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#define NOMINMAX 1
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#endif
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#define _SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING
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#endif
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#include "absl/strings/string_view.h"
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#include <cstddef>
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#include <cstdint>
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namespace sfz {
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enum ExtendedCCs {
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pitchBend = 128,
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channelAftertouch = 129,
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polyphonicAftertouch = 130,
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noteOnVelocity = 131,
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noteOffVelocity = 132,
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keyboardNoteNumber = 133,
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keyboardNoteGate = 134,
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unipolarRandom = 135,
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bipolarRandom = 136,
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alternate = 137,
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keydelta = 140,
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absoluteKeydelta = 141,
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};
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namespace config {
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constexpr float defaultSampleRate { 48000 };
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constexpr float maxSampleRate { 192000 };
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constexpr int defaultSamplesPerBlock { 1024 };
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constexpr int maxBlockSize { 8192 };
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constexpr int bufferPoolSize { 6 };
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constexpr int stereoBufferPoolSize { 4 };
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constexpr int indexBufferPoolSize { 4 };
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constexpr int preloadSize { 8192 };
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constexpr bool loadInRam { false };
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constexpr int loggerQueueSize { 256 };
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constexpr int voiceLoggerQueueSize { 256 };
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constexpr bool loggingEnabled { false };
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constexpr size_t maxChannels { 32 };
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constexpr int numBackgroundThreads { 4 };
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constexpr unsigned fileClearingPeriod { 5 }; // in seconds
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constexpr int numVoices { 64 };
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constexpr unsigned maxVoices { 256 };
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constexpr unsigned smoothingSteps { 512 };
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constexpr uint16_t xfadeSmoothing { 5 };
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constexpr uint16_t gainSmoothing { 0 };
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constexpr unsigned powerTableSizeExponent { 11 };
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constexpr int maxFilePromises { maxVoices };
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constexpr int allSoundOffCC { 120 };
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constexpr int resetCC { 121 };
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constexpr int allNotesOffCC { 123 };
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constexpr int omniOffCC { 124 };
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constexpr int omniOnCC { 125 };
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constexpr int centPerSemitone { 100 };
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constexpr float virtuallyZero { 0.001f };
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constexpr float fastReleaseDuration { 0.01f };
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constexpr char defineCharacter { '$' };
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constexpr float A440 { 440.0 };
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constexpr size_t powerHistoryLength { 16 };
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constexpr size_t powerFollowerStep { 512 };
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constexpr float powerFollowerAttackTime { 5e-3f };
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constexpr float powerFollowerReleaseTime { 200e-3f };
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constexpr uint16_t numCCs { @MIDI_CC_COUNT@ };
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constexpr int maxCurves { 256 };
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constexpr int fileChunkSize { 1024 };
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constexpr int processChunkSize { 16 };
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constexpr unsigned int defaultAlignment { 16 };
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constexpr int filtersInPool { maxVoices * 2 };
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constexpr int excessFileFrames { 64 };
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constexpr int maxLFOSubs { 8 };
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constexpr int maxLFOSteps { 128 };
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/**
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* @brief The threshold for age stealing.
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* In percentage of the voice's max age.
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*/
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constexpr float stealingAgeCoeff { 0.5f };
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/**
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* @brief The threshold for power stealing.
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* In percentage of the sum of all powers.
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*/
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constexpr float stealingPowerCoeff { 0.5f };
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constexpr int filtersPerVoice { 2 };
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constexpr int eqsPerVoice { 3 };
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constexpr int oscillatorsPerVoice { 9 };
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constexpr float uniformNoiseBounds { 1.0f };
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constexpr float noiseVariance { 0.25f };
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/**
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Minimum interval in frames between recomputations of coefficients of the
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modulated filter. The lower, the more CPU resources are consumed.
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*/
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constexpr int filterControlInterval { 16 };
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/**
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Amplitude below which an exponential releasing envelope is considered as
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finished.
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*/
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constexpr float egReleaseThreshold = 1e-4;
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/**
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Duration of a linear transition user to smooth cases of otherwise
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immediate level transitions. (eg. decay->sustain or release->off)
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*/
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constexpr float egTransitionTime = 50e-3;
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/**
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Default metadata for MIDIName documents
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*/
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const absl::string_view midnamManufacturer { "The Sfizz authors" };
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const absl::string_view midnamModel { "Sfizz" };
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/**
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Limit of how many "fxN" buses are accepted (in SFZv2, maximum is 4)
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*/
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constexpr int maxEffectBuses { 256 };
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// Wavetable constants; amplitude values are matched to reference
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static constexpr unsigned tableSize = 1024;
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static constexpr double tableRefSampleRate = 44100.0 * 1.1; // +10% aliasing permissivity
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/**
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Default wave amplitudes, adjusted for consistent RMS among all waves.
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(except square curiously, but it's to match ARIA)
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*/
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static constexpr double amplitudeSine = 1.0;
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static constexpr double amplitudeTriangle = 1.0;
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static constexpr double amplitudeSaw = 0.8164965809277261; // sqrt(2)/sqrt(3)
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static constexpr double amplitudeSquare = 0.8164965809277261; // should have been sqrt(2)?
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/**
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Frame count high limit, for automatically loading a sound file as wavetable.
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Set to 3000 according to Cakewalk.
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*/
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static constexpr unsigned wavetableMaxFrames = 3000;
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/**
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Background file loading
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*/
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static constexpr int backgroundLoaderPthreadPriority = 50; // expressed in %
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/**
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@brief Ratio to target under which smoothing is considered as completed
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*/
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static constexpr float smoothingShortcutThreshold = 5e-3;
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// loop crossfade settings
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static constexpr int loopXfadeCurve = 2; // 0: linear
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// 1: use curves 5 & 6
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// 2: use S-shaped curve
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/**
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* @brief Overflow voices in the engine, relative to the required voices.
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* These are additional voices that more or less hold the "dying" voices
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* due to engine polyphony being reached.
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*/
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static constexpr float overflowVoiceMultiplier { 1.5f };
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static_assert(overflowVoiceMultiplier >= 1.0f, "This needs to add voices");
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/**
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* @brief Minimum number of overflow voices to add
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*
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*/
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static constexpr int minOverflowVoices { 4 };
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/**
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* @brief The smoothing time constant per "smooth" steps
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*/
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constexpr float smoothTauPerStep { 3e-3 };
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/**
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* @brief If a value below this threshold is given to `ampeg_sustain`, the envelope will free-run
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* and the voice will release itself at the end of the decay stage.
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*/
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constexpr float sustainFreeRunningThreshold { 0.0032f };
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/**
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* @brief Number of frames offset between the end of a block and the beginning of the next
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* detected as a shift in the playhead position
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*
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*/
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constexpr int playheadMovedFrames { 16 };
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/**
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* @brief Max number of voices to start on release pedal up
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*
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*/
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constexpr unsigned delayedReleaseVoices { 16 };
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} // namespace config
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} // namespace sfz
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