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/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
* Copyright (C) 2011, 2012, 2013, 2014 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
*
* This program 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 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MT32EMU_TABLES_H
#define MT32EMU_TABLES_H
namespace MT32Emu {
// Sample rate to use in mixing. With the progress of development, we've found way too many thing dependent.
// In order to achieve further advance in emulation accuracy, sample rate made fixed throughout the emulator.
// The output from the synth is supposed to be resampled to convert the sample rate.
const unsigned int SAMPLE_RATE = 32000;
// MIDI interface data transfer rate in samples. Used to simulate the transfer delay.
const double MIDI_DATA_TRANSFER_RATE = (double)SAMPLE_RATE / 31250.0 * 8.0;
const float CM32L_REVERB_TO_LA32_ANALOG_OUTPUT_GAIN_FACTOR = 0.68f;
const int MIDDLEC = 60;
class Synth;
class Tables {
private:
Tables();
Tables(Tables &);
public:
static const Tables &getInstance();
// Constant LUTs
// CONFIRMED: This is used to convert several parameters to amp-modifying values in the TVA envelope:
// - PatchTemp.outputLevel
// - RhythmTemp.outlevel
// - PartialParam.tva.level
// - expression
// It's used to determine how much to subtract from the amp envelope's target value
Bit8u levelToAmpSubtraction[101];
// CONFIRMED: ...
Bit8u envLogarithmicTime[256];
// CONFIRMED: ...
Bit8u masterVolToAmpSubtraction[101];
// CONFIRMED:
Bit8u pulseWidth100To255[101];
Bit16u exp9[512];
Bit16u logsin9[512];
const Bit8u *resAmpDecayFactor;
};
}
#endif
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