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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* settings.h
*
* Tue Mar 22 10:59:46 CET 2016
* Copyright 2016 Christian Gl�ckner
* cgloeckner@freenet.de
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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
* (at your option) any later version.
*
* DrumGizmo 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 DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <atomic>
#include <string>
#include <limits>
#include <cassert>
#include "atomic.h"
#include "notifier.h"
enum class LoadStatus : unsigned int
{
Idle,
Parsing,
Loading,
Done,
Error
};
//! Engine settings
struct Settings
{
Atomic<std::string> drumkit_file{""};
Atomic<LoadStatus> drumkit_load_status{LoadStatus::Idle};
Atomic<std::string> drumkit_name{""};
Atomic<std::string> drumkit_description{""};
Atomic<std::string> drumkit_version{""};
Atomic<std::size_t> drumkit_samplerate{44100};
Atomic<bool> drumkit_is_log_power{false};
//! The maximum amount of memory in bytes that the AudioCache
//! is allowed to use for preloading. Default is 1GB.
Atomic<std::size_t> disk_cache_upper_limit{1024 * 1024 * 1024};
//! The optimal read chunk size from the disk.
Atomic<std::size_t> disk_cache_chunk_size{1024 * 1024};
Atomic<bool> disk_cache_enable{true};
Atomic<std::size_t> number_of_underruns{0};
//! Increment this in order to invoke a reload of the current drumkit.
Atomic<std::size_t> reload_counter{0};
Atomic<std::string> midimap_file{""};
Atomic<LoadStatus> midimap_load_status{LoadStatus::Idle};
Atomic<bool> enable_velocity_modifier{true};
static float constexpr velocity_modifier_falloff_default = 0.5f;
static float constexpr velocity_modifier_weight_default = 0.25f;
static float constexpr velocity_stddev_default = .45f;
static float constexpr sample_selection_f_close_default = .85f;
static float constexpr sample_selection_f_diverse_default = .16f;
static float constexpr sample_selection_f_random_default = .07f;
Atomic<float> velocity_modifier_falloff{velocity_modifier_falloff_default};
Atomic<float> velocity_modifier_weight{velocity_modifier_weight_default};
Atomic<float> velocity_stddev{velocity_stddev_default};
Atomic<float> sample_selection_f_close{sample_selection_f_close_default};
Atomic<float> sample_selection_f_diverse{sample_selection_f_diverse_default};
Atomic<float> sample_selection_f_random{sample_selection_f_random_default};
//! Control number of times to retry sample selection as long as the sample
//! is the same one as the last one.
//! 0: will do no retries, ie. just use the first sample found.
// FIXME: remove when new sample algorithm is introduced and also remove other occurences
static std::size_t constexpr sample_selection_retry_count_default = 3;
Atomic<std::size_t> sample_selection_retry_count{sample_selection_retry_count_default};
// Current velocity offset - for UI
Atomic<float> velocity_modifier_current{1.0f};
Atomic<bool> enable_velocity_randomiser{false};
Atomic<float> velocity_randomiser_weight{0.1f};
Atomic<float> samplerate{44100.0};
Atomic<std::size_t> buffer_size{1024}; // Only used to show in the UI.
Atomic<bool> enable_resampling{true};
Atomic<bool> resampling_recommended{false};
Atomic<float> resampling_quality{0.7f}; // [0.0f; 1.0f]
Atomic<std::size_t> number_of_files{0};
Atomic<std::size_t> number_of_files_loaded{0};
Atomic<std::string> current_file{""};
Atomic<bool> enable_bleed_control{false};
Atomic<float> master_bleed{1.0f};
Atomic<bool> has_bleed_control{false};
Atomic<bool> normalized_samples{true};
Atomic<bool> enable_latency_modifier{false};
//! Maximum "early hits" introduces latency in milliseconds.
Atomic<float> latency_max_ms{150.0f};
//! 0 := on-beat
//! positive := laid back
//! negative := up-beat
//! Same range is [-100; 100] ms
static float constexpr latency_laid_back_ms_default = 0.0f;
Atomic<float> latency_laid_back_ms{latency_laid_back_ms_default};
//! 0.0 := Robot
//! 2.0 := Good drummer
//! 4.0 := Decent drummer
//! 6.0 := Decent drummer on a bad day
//! 8.0 := Bad drummer
//! 10.0 := Bad and drunk drummer
static float constexpr latency_stddev_default = 2.0f;
Atomic<float> latency_stddev{latency_stddev_default};
//! Regain on-beat position.
//! 0: instantaniously
//! 1: never
static float constexpr latency_regain_default = 0.9f;
Atomic<float> latency_regain{latency_regain_default};
// Current latency offset in ms - for UI
Atomic<float> latency_current{0};
// Powermap parameters
Atomic<bool> enable_powermap;
Atomic<float> powermap_fixed0_x{0.};
Atomic<float> powermap_fixed0_y{0.};
Atomic<float> powermap_fixed1_x{.5};
Atomic<float> powermap_fixed1_y{.5};
Atomic<float> powermap_fixed2_x{1.};
Atomic<float> powermap_fixed2_y{1.};
Atomic<bool> powermap_shelf{true};
// Powermap visualizer; -1 is "none"
Atomic<float> powermap_input{-1.};
Atomic<float> powermap_output{-1.};
Atomic<std::size_t> audition_counter{0};
Atomic<std::string> audition_instrument;
Atomic<float> audition_velocity;
// Notify UI about load errors
Atomic<std::string> load_status_text;
// Enables the ramping down of old samples once X groups of the same instrument are playing.
Atomic<bool> enable_voice_limit{false};
// Max number of voices before old samples are ramped down.
static std::size_t constexpr voice_limit_max_default = 15;
Atomic<std::size_t> voice_limit_max{voice_limit_max_default};
// Time it takes for an old sample to completely fall silent.
static float constexpr voice_limit_rampdown_default = 0.5f;
Atomic<float> voice_limit_rampdown{voice_limit_rampdown_default};
};
//! Settings getter class.
struct SettingsGetter
{
SettingRef<std::string> drumkit_file;
SettingRef<LoadStatus> drumkit_load_status;
SettingRef<std::string> drumkit_name;
SettingRef<std::string> drumkit_description;
SettingRef<std::string> drumkit_version;
SettingRef<std::size_t> drumkit_samplerate;
SettingRef<std::size_t> disk_cache_upper_limit;
SettingRef<std::size_t> disk_cache_chunk_size;
SettingRef<bool> disk_cache_enable;
SettingRef<std::size_t> number_of_underruns;
SettingRef<std::size_t> reload_counter;
SettingRef<std::string> midimap_file;
SettingRef<LoadStatus> midimap_load_status;
SettingRef<bool> enable_velocity_modifier;
SettingRef<float> velocity_modifier_falloff;
SettingRef<float> velocity_modifier_weight;
SettingRef<float> velocity_stddev;
SettingRef<float> sample_selection_f_close;
SettingRef<float> sample_selection_f_diverse;
SettingRef<float> sample_selection_f_random;
SettingRef<std::size_t> sample_selection_retry_count;
SettingRef<float> velocity_modifier_current;
SettingRef<bool> enable_velocity_randomiser;
SettingRef<float> velocity_randomiser_weight;
SettingRef<float> samplerate;
SettingRef<std::size_t> buffer_size;
SettingRef<bool> enable_resampling;
SettingRef<bool> resampling_recommended;
SettingRef<float> resampling_quality;
SettingRef<std::size_t> number_of_files;
SettingRef<std::size_t> number_of_files_loaded;
SettingRef<std::string> current_file;
SettingRef<bool> enable_bleed_control;
SettingRef<float> master_bleed;
SettingRef<bool> has_bleed_control;
SettingRef<bool> normalized_samples;
SettingRef<bool> enable_latency_modifier;
SettingRef<float> latency_max_ms;
SettingRef<float> latency_laid_back_ms;
SettingRef<float> latency_stddev;
SettingRef<float> latency_regain;
SettingRef<float> latency_current;
SettingRef<bool> enable_powermap;
SettingRef<float> powermap_fixed0_x;
SettingRef<float> powermap_fixed0_y;
SettingRef<float> powermap_fixed1_x;
SettingRef<float> powermap_fixed1_y;
SettingRef<float> powermap_fixed2_x;
SettingRef<float> powermap_fixed2_y;
SettingRef<bool> powermap_shelf;
SettingRef<float> powermap_input;
SettingRef<float> powermap_output;
SettingRef<std::size_t> audition_counter;
SettingRef<std::string> audition_instrument;
SettingRef<float> audition_velocity;
SettingRef<std::string> load_status_text;
SettingRef<bool> enable_voice_limit;
SettingRef<std::size_t> voice_limit_max;
SettingRef<float> voice_limit_rampdown;
SettingsGetter(Settings& settings)
: drumkit_file(settings.drumkit_file)
, drumkit_load_status(settings.drumkit_load_status)
, drumkit_name(settings.drumkit_name)
, drumkit_description(settings.drumkit_description)
, drumkit_version(settings.drumkit_version)
, drumkit_samplerate(settings.drumkit_samplerate)
, disk_cache_upper_limit(settings.disk_cache_upper_limit)
, disk_cache_chunk_size(settings.disk_cache_chunk_size)
, disk_cache_enable(settings.disk_cache_enable)
, number_of_underruns(settings.number_of_underruns)
, reload_counter(settings.reload_counter)
, midimap_file(settings.midimap_file)
, midimap_load_status(settings.midimap_load_status)
, enable_velocity_modifier{settings.enable_velocity_modifier}
, velocity_modifier_falloff{settings.velocity_modifier_falloff}
, velocity_modifier_weight{settings.velocity_modifier_weight}
, velocity_stddev{settings.velocity_stddev}
, sample_selection_f_close{settings.sample_selection_f_close}
, sample_selection_f_diverse{settings.sample_selection_f_diverse}
, sample_selection_f_random{settings.sample_selection_f_random}
, sample_selection_retry_count(settings.sample_selection_retry_count)
, velocity_modifier_current{settings.velocity_modifier_current}
, enable_velocity_randomiser{settings.enable_velocity_randomiser}
, velocity_randomiser_weight{settings.velocity_randomiser_weight}
, samplerate{settings.samplerate}
, buffer_size(settings.buffer_size)
, enable_resampling{settings.enable_resampling}
, resampling_recommended{settings.resampling_recommended}
, resampling_quality{settings.resampling_quality}
, number_of_files{settings.number_of_files}
, number_of_files_loaded{settings.number_of_files_loaded}
, current_file{settings.current_file}
, enable_bleed_control{settings.enable_bleed_control}
, master_bleed{settings.master_bleed}
, has_bleed_control{settings.has_bleed_control}
, normalized_samples{settings.normalized_samples}
, enable_latency_modifier{settings.enable_latency_modifier}
, latency_max_ms{settings.latency_max_ms}
, latency_laid_back_ms{settings.latency_laid_back_ms}
, latency_stddev{settings.latency_stddev}
, latency_regain{settings.latency_regain}
, latency_current{settings.latency_current}
, enable_powermap{settings.enable_powermap}
, powermap_fixed0_x{settings.powermap_fixed0_x}
, powermap_fixed0_y{settings.powermap_fixed0_y}
, powermap_fixed1_x{settings.powermap_fixed1_x}
, powermap_fixed1_y{settings.powermap_fixed1_y}
, powermap_fixed2_x{settings.powermap_fixed2_x}
, powermap_fixed2_y{settings.powermap_fixed2_y}
, powermap_shelf{settings.powermap_shelf}
, powermap_input{settings.powermap_input}
, powermap_output{settings.powermap_output}
, audition_counter{settings.audition_counter}
, audition_instrument{settings.audition_instrument}
, audition_velocity{settings.audition_velocity}
, load_status_text{settings.load_status_text}
, enable_voice_limit{settings.enable_voice_limit}
, voice_limit_max{settings.voice_limit_max}
, voice_limit_rampdown{settings.voice_limit_rampdown}
{
}
};
//! Settings change notifier class.
class SettingsNotifier
{
public:
Notifier<std::string> drumkit_file;
Notifier<LoadStatus> drumkit_load_status;
Notifier<std::string> drumkit_name;
Notifier<std::string> drumkit_description;
Notifier<std::string> drumkit_version;
Notifier<std::size_t> drumkit_samplerate;
Notifier<std::size_t> disk_cache_upper_limit;
Notifier<std::size_t> disk_cache_chunk_size;
Notifier<bool> disk_cache_enable;
Notifier<std::size_t> number_of_underruns;
Notifier<std::size_t> reload_counter;
Notifier<std::string> midimap_file;
Notifier<LoadStatus> midimap_load_status;
Notifier<bool> enable_velocity_modifier;
Notifier<float> velocity_modifier_falloff;
Notifier<float> velocity_modifier_weight;
Notifier<float> velocity_stddev;
Notifier<float> sample_selection_f_close;
Notifier<float> sample_selection_f_diverse;
Notifier<float> sample_selection_f_random;
Notifier<std::size_t> sample_selection_retry_count;
Notifier<float> velocity_modifier_current;
Notifier<bool> enable_velocity_randomiser;
Notifier<float> velocity_randomiser_weight;
Notifier<float> samplerate;
Notifier<std::size_t> buffer_size;
Notifier<bool> enable_resampling;
Notifier<bool> resampling_recommended;
Notifier<float> resampling_quality;
Notifier<std::size_t> number_of_files;
Notifier<std::size_t> number_of_files_loaded;
Notifier<std::string> current_file;
Notifier<bool> enable_bleed_control;
Notifier<float> master_bleed;
Notifier<bool> has_bleed_control;
Notifier<bool> normalized_samples;
Notifier<bool> enable_latency_modifier;
Notifier<float> latency_max_ms;
Notifier<float> latency_laid_back_ms;
Notifier<float> latency_stddev;
Notifier<float> latency_regain;
Notifier<float> latency_current;
Notifier<bool> enable_powermap;
Notifier<float> powermap_fixed0_x;
Notifier<float> powermap_fixed0_y;
Notifier<float> powermap_fixed1_x;
Notifier<float> powermap_fixed1_y;
Notifier<float> powermap_fixed2_x;
Notifier<float> powermap_fixed2_y;
Notifier<bool> powermap_shelf;
Notifier<float> powermap_input;
Notifier<float> powermap_output;
Notifier<std::size_t> audition_counter;
Notifier<std::string> audition_instrument;
Notifier<int> audition_velocity;
Notifier<std::string> load_status_text;
Notifier<bool> enable_voice_limit;
Notifier<std::size_t> voice_limit_max;
Notifier<float> voice_limit_rampdown;
void evaluate()
{
#define EVAL(x) if(settings.x.hasChanged()) { x(settings.x.getValue()); }
EVAL(drumkit_file);
EVAL(drumkit_load_status);
EVAL(drumkit_name);
EVAL(drumkit_description);
EVAL(drumkit_version);
EVAL(drumkit_samplerate);
EVAL(disk_cache_upper_limit);
EVAL(disk_cache_chunk_size);
EVAL(disk_cache_enable);
EVAL(number_of_underruns);
EVAL(reload_counter);
EVAL(midimap_file);
EVAL(midimap_load_status);
EVAL(enable_velocity_modifier);
EVAL(velocity_modifier_falloff);
EVAL(velocity_modifier_weight);
EVAL(velocity_stddev);
EVAL(sample_selection_f_close);
EVAL(sample_selection_f_diverse);
EVAL(sample_selection_f_random);
EVAL(sample_selection_retry_count);
EVAL(velocity_modifier_current);
EVAL(enable_velocity_randomiser);
EVAL(velocity_randomiser_weight);
EVAL(samplerate);
EVAL(buffer_size);
EVAL(enable_resampling);
EVAL(resampling_recommended);
EVAL(resampling_quality);
EVAL(number_of_files);
EVAL(number_of_files_loaded);
EVAL(current_file);
EVAL(enable_bleed_control);
EVAL(master_bleed);
EVAL(has_bleed_control);
EVAL(normalized_samples);
EVAL(enable_latency_modifier);
EVAL(latency_max_ms);
EVAL(latency_laid_back_ms);
EVAL(latency_stddev);
EVAL(latency_regain);
EVAL(latency_current);
EVAL(enable_powermap);
EVAL(powermap_fixed0_x);
EVAL(powermap_fixed0_y);
EVAL(powermap_fixed1_x);
EVAL(powermap_fixed1_y);
EVAL(powermap_fixed2_x);
EVAL(powermap_fixed2_y);
EVAL(powermap_shelf);
EVAL(powermap_input);
EVAL(powermap_output);
EVAL(audition_counter);
EVAL(audition_instrument);
EVAL(audition_velocity);
EVAL(load_status_text);
EVAL(enable_voice_limit);
EVAL(voice_limit_max);
EVAL(voice_limit_rampdown);
}
SettingsNotifier(Settings& settings)
: settings(settings)
{
}
private:
SettingsGetter settings;
};
// lovely reminder: NO, GLOCKE. NOOOO!!
/*
enum class IntParams {
Foo = 0
};
struct Settings
{
std::array<std::atomic<int>, 5> ints;
Settings()
: ints{}
{
//get(IntParams::Foo).store(3);
}
std::atomic<int>& get(IntParams param)
{
return ints[(size_t)param];
}
};
struct SettingsGetter
{
std::vector<SettingRef<int>> ints;
SettingsGetter(Settings& parent)
{
for(auto& atomic: parent.ints)
{
ints.emplace_back(atomic);
}
}
};
*/
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