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Diffstat (limited to 'audio/softsynth/mt32/globals.h')
-rw-r--r-- | audio/softsynth/mt32/globals.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/audio/softsynth/mt32/globals.h b/audio/softsynth/mt32/globals.h new file mode 100644 index 0000000000..49a5ecc250 --- /dev/null +++ b/audio/softsynth/mt32/globals.h @@ -0,0 +1,119 @@ +/* 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/>. + */ + +#ifndef MT32EMU_GLOBALS_H +#define MT32EMU_GLOBALS_H + +#include "config.h" + +/* Support for compiling shared library. */ +#ifdef MT32EMU_SHARED +#if defined _WIN32 || defined __CYGWIN__ +#ifdef _MSC_VER +#ifdef mt32emu_EXPORTS +#define MT32EMU_EXPORT_ATTRIBUTE _declspec(dllexport) +#else /* #ifdef mt32emu_EXPORTS */ +#define MT32EMU_EXPORT_ATTRIBUTE _declspec(dllimport) +#endif /* #ifdef mt32emu_EXPORTS */ +#else /* #ifdef _MSC_VER */ +#ifdef mt32emu_EXPORTS +#define MT32EMU_EXPORT_ATTRIBUTE __attribute__ ((dllexport)) +#else /* #ifdef mt32emu_EXPORTS */ +#define MT32EMU_EXPORT_ATTRIBUTE __attribute__ ((dllimport)) +#endif /* #ifdef mt32emu_EXPORTS */ +#endif /* #ifdef _MSC_VER */ +#else /* #if defined _WIN32 || defined __CYGWIN__ */ +#define MT32EMU_EXPORT_ATTRIBUTE __attribute__ ((visibility("default"))) +#endif /* #if defined _WIN32 || defined __CYGWIN__ */ +#else /* #ifdef MT32EMU_SHARED */ +#define MT32EMU_EXPORT_ATTRIBUTE +#endif /* #ifdef MT32EMU_SHARED */ + +#if MT32EMU_EXPORTS_TYPE == 1 || MT32EMU_EXPORTS_TYPE == 2 +#define MT32EMU_EXPORT +#else +#define MT32EMU_EXPORT MT32EMU_EXPORT_ATTRIBUTE +#endif + +/* Useful constants */ + +/* 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, + * except the emulation of analogue path. + * The output from the synth is supposed to be resampled externally in order to convert to the desired sample rate. + */ +#define MT32EMU_SAMPLE_RATE 32000 + +/* The default value for the maximum number of partials playing simultaneously. */ +#define MT32EMU_DEFAULT_MAX_PARTIALS 32 + +/* The higher this number, the more memory will be used, but the more samples can be processed in one run - + * various parts of sample generation can be processed more efficiently in a single run. + * A run's maximum length is that given to Synth::render(), so giving a value here higher than render() is ever + * called with will give no gain (but simply waste the memory). + * Note that this value does *not* in any way impose limitations on the length given to render(), and has no effect + * on the generated audio. + * This value must be >= 1. + */ +#define MT32EMU_MAX_SAMPLES_PER_RUN 4096 + +/* The default size of the internal MIDI event queue. + * It holds the incoming MIDI events before the rendering engine actually processes them. + * The main goal is to fairly emulate the real hardware behaviour which obviously + * uses an internal MIDI event queue to gather incoming data as well as the delays + * introduced by transferring data via the MIDI interface. + * This also facilitates building of an external rendering loop + * as the queue stores timestamped MIDI events. + */ +#define MT32EMU_DEFAULT_MIDI_EVENT_QUEUE_SIZE 1024 + +/* Maximum allowed size of MIDI parser input stream buffer. + * Should suffice for any reasonable bulk dump SysEx, as the h/w units have only 32K of RAM onboard. + */ +#define MT32EMU_MAX_STREAM_BUFFER_SIZE 32768 + +/* This should correspond to the MIDI buffer size used in real h/w devices. + * CM-32L control ROM seems using 1000 bytes, old MT-32 isn't confirmed by now. + */ +#define MT32EMU_SYSEX_BUFFER_SIZE 1000 + +#if defined(__cplusplus) && MT32EMU_API_TYPE != 1 + +namespace MT32Emu +{ +const unsigned int SAMPLE_RATE = MT32EMU_SAMPLE_RATE; +#undef MT32EMU_SAMPLE_RATE + +const unsigned int DEFAULT_MAX_PARTIALS = MT32EMU_DEFAULT_MAX_PARTIALS; +#undef MT32EMU_DEFAULT_MAX_PARTIALS + +const unsigned int MAX_SAMPLES_PER_RUN = MT32EMU_MAX_SAMPLES_PER_RUN; +#undef MT32EMU_MAX_SAMPLES_PER_RUN + +const unsigned int DEFAULT_MIDI_EVENT_QUEUE_SIZE = MT32EMU_DEFAULT_MIDI_EVENT_QUEUE_SIZE; +#undef MT32EMU_DEFAULT_MIDI_EVENT_QUEUE_SIZE + +const unsigned int MAX_STREAM_BUFFER_SIZE = MT32EMU_MAX_STREAM_BUFFER_SIZE; +#undef MT32EMU_MAX_STREAM_BUFFER_SIZE + +const unsigned int SYSEX_BUFFER_SIZE = MT32EMU_SYSEX_BUFFER_SIZE; +#undef MT32EMU_SYSEX_BUFFER_SIZE +} + +#endif /* #if defined(__cplusplus) && MT32EMU_API_TYPE != 1 */ + +#endif /* #ifndef MT32EMU_GLOBALS_H */ |