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/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
* Copyright (C) 2011-2016 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/>.
*/
/* Using two guards since this file may be included twice with different MT32EMU_C_ENUMERATIONS define. */
#if (!defined MT32EMU_CPP_ENUMERATIONS_H && !defined MT32EMU_C_ENUMERATIONS) || (!defined MT32EMU_C_ENUMERATIONS_H && defined MT32EMU_C_ENUMERATIONS)
#ifdef MT32EMU_C_ENUMERATIONS
#define MT32EMU_C_ENUMERATIONS_H
#define MT32EMU_DAC_INPUT_MODE_NAME mt32emu_dac_input_mode
#define MT32EMU_DAC_INPUT_MODE(ident) MT32EMU_DAC_##ident
#define MT32EMU_MIDI_DELAY_MODE_NAME mt32emu_midi_delay_mode
#define MT32EMU_MIDI_DELAY_MODE(ident) MT32EMU_MDM_##ident
#define MT32EMU_ANALOG_OUTPUT_MODE_NAME mt32emu_analog_output_mode
#define MT32EMU_ANALOG_OUTPUT_MODE(ident) MT32EMU_AOM_##ident
#define MT32EMU_PARTIAL_STATE_NAME mt32emu_partial_state
#define MT32EMU_PARTIAL_STATE(ident) MT32EMU_PS_##ident
#else /* #ifdef MT32EMU_C_ENUMERATIONS */
#define MT32EMU_CPP_ENUMERATIONS_H
#define MT32EMU_DAC_INPUT_MODE_NAME DACInputMode
#define MT32EMU_DAC_INPUT_MODE(ident) DACInputMode_##ident
#define MT32EMU_MIDI_DELAY_MODE_NAME MIDIDelayMode
#define MT32EMU_MIDI_DELAY_MODE(ident) MIDIDelayMode_##ident
#define MT32EMU_ANALOG_OUTPUT_MODE_NAME AnalogOutputMode
#define MT32EMU_ANALOG_OUTPUT_MODE(ident) AnalogOutputMode_##ident
#define MT32EMU_PARTIAL_STATE_NAME PartialState
#define MT32EMU_PARTIAL_STATE(ident) PartialState_##ident
namespace MT32Emu {
#endif /* #ifdef MT32EMU_C_ENUMERATIONS */
/**
* Methods for emulating the connection between the LA32 and the DAC, which involves
* some hacks in the real devices for doubling the volume.
* See also http://en.wikipedia.org/wiki/Roland_MT-32#Digital_overflow
*/
enum MT32EMU_DAC_INPUT_MODE_NAME {
/**
* Produces samples at double the volume, without tricks.
* Nicer overdrive characteristics than the DAC hacks (it simply clips samples within range)
* Higher quality than the real devices
*/
MT32EMU_DAC_INPUT_MODE(NICE),
/**
* Produces samples that exactly match the bits output from the emulated LA32.
* Nicer overdrive characteristics than the DAC hacks (it simply clips samples within range)
* Much less likely to overdrive than any other mode.
* Half the volume of any of the other modes.
* Output gain is ignored for both LA32 and reverb output.
* Perfect for developers while debugging :)
*/
MT32EMU_DAC_INPUT_MODE(PURE),
/**
* Re-orders the LA32 output bits as in early generation MT-32s (according to Wikipedia).
* Bit order at DAC (where each number represents the original LA32 output bit number, and XX means the bit is always low):
* 15 13 12 11 10 09 08 07 06 05 04 03 02 01 00 XX
*/
MT32EMU_DAC_INPUT_MODE(GENERATION1),
/**
* Re-orders the LA32 output bits as in later generations (personally confirmed on my CM-32L - KG).
* Bit order at DAC (where each number represents the original LA32 output bit number):
* 15 13 12 11 10 09 08 07 06 05 04 03 02 01 00 14
*/
MT32EMU_DAC_INPUT_MODE(GENERATION2)
};
/** Methods for emulating the effective delay of incoming MIDI messages introduced by a MIDI interface. */
enum MT32EMU_MIDI_DELAY_MODE_NAME {
/** Process incoming MIDI events immediately. */
MT32EMU_MIDI_DELAY_MODE(IMMEDIATE),
/**
* Delay incoming short MIDI messages as if they where transferred via a MIDI cable to a real hardware unit and immediate sysex processing.
* This ensures more accurate timing of simultaneous NoteOn messages.
*/
MT32EMU_MIDI_DELAY_MODE(DELAY_SHORT_MESSAGES_ONLY),
/** Delay all incoming MIDI events as if they where transferred via a MIDI cable to a real hardware unit.*/
MT32EMU_MIDI_DELAY_MODE(DELAY_ALL)
};
/** Methods for emulating the effects of analogue circuits of real hardware units on the output signal. */
enum MT32EMU_ANALOG_OUTPUT_MODE_NAME {
/** Only digital path is emulated. The output samples correspond to the digital signal at the DAC entrance. */
MT32EMU_ANALOG_OUTPUT_MODE(DIGITAL_ONLY),
/** Coarse emulation of LPF circuit. High frequencies are boosted, sample rate remains unchanged. */
MT32EMU_ANALOG_OUTPUT_MODE(COARSE),
/**
* Finer emulation of LPF circuit. Output signal is upsampled to 48 kHz to allow emulation of audible mirror spectra above 16 kHz,
* which is passed through the LPF circuit without significant attenuation.
*/
MT32EMU_ANALOG_OUTPUT_MODE(ACCURATE),
/**
* Same as AnalogOutputMode_ACCURATE mode but the output signal is 2x oversampled, i.e. the output sample rate is 96 kHz.
* This makes subsequent resampling easier. Besides, due to nonlinear passband of the LPF emulated, it takes fewer number of MACs
* compared to a regular LPF FIR implementations.
*/
MT32EMU_ANALOG_OUTPUT_MODE(OVERSAMPLED)
};
enum MT32EMU_PARTIAL_STATE_NAME {
MT32EMU_PARTIAL_STATE(INACTIVE),
MT32EMU_PARTIAL_STATE(ATTACK),
MT32EMU_PARTIAL_STATE(SUSTAIN),
MT32EMU_PARTIAL_STATE(RELEASE)
};
#ifndef MT32EMU_C_ENUMERATIONS
} // namespace MT32Emu
#endif
#undef MT32EMU_DAC_INPUT_MODE_NAME
#undef MT32EMU_DAC_INPUT_MODE
#undef MT32EMU_MIDI_DELAY_MODE_NAME
#undef MT32EMU_MIDI_DELAY_MODE
#undef MT32EMU_ANALOG_OUTPUT_MODE_NAME
#undef MT32EMU_ANALOG_OUTPUT_MODE
#undef MT32EMU_PARTIAL_STATE_NAME
#undef MT32EMU_PARTIAL_STATE
#endif /* #if (!defined MT32EMU_CPP_ENUMERATIONS_H && !defined MT32EMU_C_ENUMERATIONS) || (!defined MT32EMU_C_ENUMERATIONS_H && defined MT32EMU_C_ENUMERATIONS) */
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