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Diffstat (limited to 'audio/softsynth/mt32/c_interface/cpp_interface.h')
| -rwxr-xr-x | audio/softsynth/mt32/c_interface/cpp_interface.h | 436 |
1 files changed, 436 insertions, 0 deletions
diff --git a/audio/softsynth/mt32/c_interface/cpp_interface.h b/audio/softsynth/mt32/c_interface/cpp_interface.h new file mode 100755 index 0000000000..3e86322faa --- /dev/null +++ b/audio/softsynth/mt32/c_interface/cpp_interface.h @@ -0,0 +1,436 @@ +/* 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_CPP_INTERFACE_H +#define MT32EMU_CPP_INTERFACE_H + +#include <cstdarg> + +#include "../globals.h" +#include "c_types.h" + +#include "../Types.h" +#include "../Enumerations.h" + +#if MT32EMU_API_TYPE == 2 + +#define mt32emu_get_supported_report_handler_version i.v0->getSupportedReportHandlerVersionID +#define mt32emu_get_supported_midi_receiver_version i.v0->getSupportedMIDIReceiverVersionID +#define mt32emu_get_library_version_int i.v0->getLibraryVersionInt +#define mt32emu_get_library_version_string i.v0->getLibraryVersionString +#define mt32emu_get_stereo_output_samplerate i.v0->getStereoOutputSamplerate +#define mt32emu_create_context i.v0->createContext +#define mt32emu_free_context i.v0->freeContext +#define mt32emu_add_rom_data i.v0->addROMData +#define mt32emu_add_rom_file i.v0->addROMFile +#define mt32emu_get_rom_info i.v0->getROMInfo +#define mt32emu_set_partial_count i.v0->setPartialCount +#define mt32emu_set_analog_output_mode i.v0->setAnalogOutputMode +#define mt32emu_open_synth i.v0->openSynth +#define mt32emu_close_synth i.v0->closeSynth +#define mt32emu_is_open i.v0->isOpen +#define mt32emu_get_actual_stereo_output_samplerate i.v0->getActualStereoOutputSamplerate +#define mt32emu_flush_midi_queue i.v0->flushMIDIQueue +#define mt32emu_set_midi_event_queue_size i.v0->setMIDIEventQueueSize +#define mt32emu_set_midi_receiver i.v0->setMIDIReceiver +#define mt32emu_parse_stream i.v0->parseStream +#define mt32emu_parse_stream_at i.v0->parseStream_At +#define mt32emu_play_short_message i.v0->playShortMessage +#define mt32emu_play_short_message_at i.v0->playShortMessageAt +#define mt32emu_play_msg i.v0->playMsg +#define mt32emu_play_sysex i.v0->playSysex +#define mt32emu_play_msg_at i.v0->playMsgAt +#define mt32emu_play_sysex_at i.v0->playSysexAt +#define mt32emu_play_msg_now i.v0->playMsgNow +#define mt32emu_play_msg_on_part i.v0->playMsgOnPart +#define mt32emu_play_sysex_now i.v0->playSysexNow +#define mt32emu_write_sysex i.v0->writeSysex +#define mt32emu_set_reverb_enabled i.v0->setReverbEnabled +#define mt32emu_is_reverb_enabled i.v0->isReverbEnabled +#define mt32emu_set_reverb_overridden i.v0->setReverbOverridden +#define mt32emu_is_reverb_overridden i.v0->isReverbOverridden +#define mt32emu_set_reverb_compatibility_mode i.v0->setReverbCompatibilityMode +#define mt32emu_is_mt32_reverb_compatibility_mode i.v0->isMT32ReverbCompatibilityMode +#define mt32emu_is_default_reverb_mt32_compatible i.v0->isDefaultReverbMT32Compatible +#define mt32emu_set_dac_input_mode i.v0->setDACInputMode +#define mt32emu_get_dac_input_mode i.v0->getDACInputMode +#define mt32emu_set_midi_delay_mode i.v0->setMIDIDelayMode +#define mt32emu_get_midi_delay_mode i.v0->getMIDIDelayMode +#define mt32emu_set_output_gain i.v0->setOutputGain +#define mt32emu_get_output_gain i.v0->getOutputGain +#define mt32emu_set_reverb_output_gain i.v0->setReverbOutputGain +#define mt32emu_get_reverb_output_gain i.v0->getReverbOutputGain +#define mt32emu_set_reversed_stereo_enabled i.v0->setReversedStereoEnabled +#define mt32emu_is_reversed_stereo_enabled i.v0->isReversedStereoEnabled +#define mt32emu_render_bit16s i.v0->renderBit16s +#define mt32emu_render_float i.v0->renderFloat +#define mt32emu_render_bit16s_streams i.v0->renderBit16sStreams +#define mt32emu_render_float_streams i.v0->renderFloatStreams +#define mt32emu_has_active_partials i.v0->hasActivePartials +#define mt32emu_is_active i.v0->isActive +#define mt32emu_get_partial_count i.v0->getPartialCount +#define mt32emu_get_part_states i.v0->getPartStates +#define mt32emu_get_partial_states i.v0->getPartialStates +#define mt32emu_get_playing_notes i.v0->getPlayingNotes +#define mt32emu_get_patch_name i.v0->getPatchName +#define mt32emu_read_memory i.v0->readMemory + +#else // #if MT32EMU_API_TYPE == 2 + +#include "c_interface.h" + +#endif // #if MT32EMU_API_TYPE == 2 + +namespace MT32Emu { + +namespace CppInterfaceImpl { + +static const mt32emu_report_handler_i NULL_REPORT_HANDLER = { NULL }; +static mt32emu_report_handler_i getReportHandlerThunk(); +static mt32emu_midi_receiver_i getMidiReceiverThunk(); + +} + +/* + * The classes below correspond to the interfaces defined in c_types.h and provided for convenience when using C++. + * The approach used makes no assumption of any internal class data memory layout, since the C++ standard does not + * provide any detail in this area and leaves it up to the implementation. Therefore, this way portability is guaranteed, + * despite the implementation may be a little inefficient. + * See c_types.h and c_interface.h for description of the corresponding interface methods. + */ + +// Defines the interface for handling reported events. +// Corresponds to the current version of mt32emu_report_handler_i interface. +class IReportHandler { +public: + virtual void printDebug(const char *fmt, va_list list) = 0; + virtual void onErrorControlROM() = 0; + virtual void onErrorPCMROM() = 0; + virtual void showLCDMessage(const char *message) = 0; + virtual void onMIDIMessagePlayed() = 0; + virtual bool onMIDIQueueOverflow() = 0; + virtual void onMIDISystemRealtime(Bit8u system_realtime) = 0; + virtual void onDeviceReset() = 0; + virtual void onDeviceReconfig() = 0; + virtual void onNewReverbMode(Bit8u mode) = 0; + virtual void onNewReverbTime(Bit8u time) = 0; + virtual void onNewReverbLevel(Bit8u level) = 0; + virtual void onPolyStateChanged(Bit8u part_num) = 0; + virtual void onProgramChanged(Bit8u part_num, const char *sound_group_name, const char *patch_name) = 0; + +protected: + ~IReportHandler() {} +}; + +// Defines the interface for receiving MIDI messages generated by MIDI stream parser. +// Corresponds to the current version of mt32emu_midi_receiver_i interface. +class IMidiReceiver { +public: + virtual void handleShortMessage(const Bit32u message) = 0; + virtual void handleSysex(const Bit8u stream[], const Bit32u length) = 0; + virtual void handleSystemRealtimeMessage(const Bit8u realtime) = 0; + +protected: + ~IMidiReceiver() {} +}; + +// Defines all the library services. +// Corresponds to the current version of mt32emu_service_i interface. +class Service { +public: +#if MT32EMU_API_TYPE == 2 + explicit Service(mt32emu_service_i interface, mt32emu_context context = NULL) : i(interface), c(context) {} +#else + explicit Service(mt32emu_context context = NULL) : c(context) {} +#endif + ~Service() { if (c != NULL) mt32emu_free_context(c); } + + // Context-independent methods + +#if MT32EMU_API_TYPE == 2 + mt32emu_service_version getVersionID() { return i.v0->getVersionID(i); } +#endif + mt32emu_report_handler_version getSupportedReportHandlerVersionID() { return mt32emu_get_supported_report_handler_version(); } + mt32emu_midi_receiver_version getSupportedMIDIReceiverVersionID() { return mt32emu_get_supported_midi_receiver_version(); } + + Bit32u getLibraryVersionInt() { return mt32emu_get_library_version_int(); } + const char *getLibraryVersionString() { return mt32emu_get_library_version_string(); } + + Bit32u getStereoOutputSamplerate(const AnalogOutputMode analog_output_mode) { return mt32emu_get_stereo_output_samplerate(static_cast<mt32emu_analog_output_mode>(analog_output_mode)); } + + // Context-dependent methods + + mt32emu_context getContext() { return c; } + void createContext(mt32emu_report_handler_i report_handler = CppInterfaceImpl::NULL_REPORT_HANDLER, void *instance_data = NULL) { freeContext(); c = mt32emu_create_context(report_handler, instance_data); } + void createContext(IReportHandler &report_handler) { createContext(CppInterfaceImpl::getReportHandlerThunk(), &report_handler); } + void freeContext() { if (c != NULL) { mt32emu_free_context(c); c = NULL; } } + mt32emu_return_code addROMData(const Bit8u *data, size_t data_size, const mt32emu_sha1_digest *sha1_digest = NULL) { return mt32emu_add_rom_data(c, data, data_size, sha1_digest); } + mt32emu_return_code addROMFile(const char *filename) { return mt32emu_add_rom_file(c, filename); } + void getROMInfo(mt32emu_rom_info *rom_info) { mt32emu_get_rom_info(c, rom_info); } + void setPartialCount(const Bit32u partial_count) { mt32emu_set_partial_count(c, partial_count); } + void setAnalogOutputMode(const AnalogOutputMode analog_output_mode) { mt32emu_set_analog_output_mode(c, static_cast<mt32emu_analog_output_mode>(analog_output_mode)); } + mt32emu_return_code openSynth() { return mt32emu_open_synth(c); } + void closeSynth() { mt32emu_close_synth(c); } + bool isOpen() { return mt32emu_is_open(c) != MT32EMU_BOOL_FALSE; } + Bit32u getActualStereoOutputSamplerate() { return mt32emu_get_actual_stereo_output_samplerate(c); } + void flushMIDIQueue() { mt32emu_flush_midi_queue(c); } + Bit32u setMIDIEventQueueSize(const Bit32u queue_size) { return mt32emu_set_midi_event_queue_size(c, queue_size); } + void setMIDIReceiver(mt32emu_midi_receiver_i midi_receiver, void *instance_data) { mt32emu_set_midi_receiver(c, midi_receiver, instance_data); } + void setMIDIReceiver(IMidiReceiver &midi_receiver) { setMIDIReceiver(CppInterfaceImpl::getMidiReceiverThunk(), &midi_receiver); } + + void parseStream(const Bit8u *stream, Bit32u length) { mt32emu_parse_stream(c, stream, length); } + void parseStream_At(const Bit8u *stream, Bit32u length, Bit32u timestamp) { mt32emu_parse_stream_at(c, stream, length, timestamp); } + void playShortMessage(Bit32u message) { mt32emu_play_short_message(c, message); } + void playShortMessageAt(Bit32u message, Bit32u timestamp) { mt32emu_play_short_message_at(c, message, timestamp); } + mt32emu_return_code playMsg(Bit32u msg) { return mt32emu_play_msg(c, msg); } + mt32emu_return_code playSysex(const Bit8u *sysex, Bit32u len) { return mt32emu_play_sysex(c, sysex, len); } + mt32emu_return_code playMsgAt(Bit32u msg, Bit32u timestamp) { return mt32emu_play_msg_at(c, msg, timestamp); } + mt32emu_return_code playSysexAt(const Bit8u *sysex, Bit32u len, Bit32u timestamp) { return mt32emu_play_sysex_at(c, sysex, len, timestamp); } + + void playMsgNow(Bit32u msg) { mt32emu_play_msg_now(c, msg); } + void playMsgOnPart(Bit8u part, Bit8u code, Bit8u note, Bit8u velocity) { mt32emu_play_msg_on_part(c, part, code, note, velocity); } + void playSysexNow(const Bit8u *sysex, Bit32u len) { mt32emu_play_sysex_now(c, sysex, len); } + void writeSysex(Bit8u channel, const Bit8u *sysex, Bit32u len) { mt32emu_write_sysex(c, channel, sysex, len); } + + void setReverbEnabled(const bool reverb_enabled) { mt32emu_set_reverb_enabled(c, reverb_enabled ? MT32EMU_BOOL_TRUE : MT32EMU_BOOL_FALSE); } + bool isReverbEnabled() { return mt32emu_is_reverb_enabled(c) != MT32EMU_BOOL_FALSE; } + void setReverbOverridden(const bool reverb_overridden) { mt32emu_set_reverb_overridden(c, reverb_overridden ? MT32EMU_BOOL_TRUE : MT32EMU_BOOL_FALSE); } + bool isReverbOverridden() { return mt32emu_is_reverb_overridden(c) != MT32EMU_BOOL_FALSE; } + void setReverbCompatibilityMode(const bool mt32_compatible_mode) { mt32emu_set_reverb_compatibility_mode(c, mt32_compatible_mode ? MT32EMU_BOOL_TRUE : MT32EMU_BOOL_FALSE); } + bool isMT32ReverbCompatibilityMode() { return mt32emu_is_mt32_reverb_compatibility_mode(c) != MT32EMU_BOOL_FALSE; } + bool isDefaultReverbMT32Compatible() { return mt32emu_is_default_reverb_mt32_compatible(c) != MT32EMU_BOOL_FALSE; } + + void setDACInputMode(const DACInputMode mode) { mt32emu_set_dac_input_mode(c, static_cast<mt32emu_dac_input_mode>(mode)); } + DACInputMode getDACInputMode() { return static_cast<DACInputMode>(mt32emu_get_dac_input_mode(c)); } + + void setMIDIDelayMode(const MIDIDelayMode mode) { mt32emu_set_midi_delay_mode(c, static_cast<mt32emu_midi_delay_mode>(mode)); } + MIDIDelayMode getMIDIDelayMode() { return static_cast<MIDIDelayMode>(mt32emu_get_midi_delay_mode(c)); } + + void setOutputGain(float gain) { mt32emu_set_output_gain(c, gain); } + float getOutputGain() { return mt32emu_get_output_gain(c); } + void setReverbOutputGain(float gain) { mt32emu_set_reverb_output_gain(c, gain); } + float getReverbOutputGain() { return mt32emu_get_reverb_output_gain(c); } + + void setReversedStereoEnabled(const bool enabled) { mt32emu_set_reversed_stereo_enabled(c, enabled ? MT32EMU_BOOL_TRUE : MT32EMU_BOOL_FALSE); } + bool isReversedStereoEnabled() { return mt32emu_is_reversed_stereo_enabled(c) != MT32EMU_BOOL_FALSE; } + + void renderBit16s(Bit16s *stream, Bit32u len) { mt32emu_render_bit16s(c, stream, len); } + void renderFloat(float *stream, Bit32u len) { mt32emu_render_float(c, stream, len); } + void renderBit16sStreams(const mt32emu_dac_output_bit16s_streams *streams, Bit32u len) { mt32emu_render_bit16s_streams(c, streams, len); } + void renderFloatStreams(const mt32emu_dac_output_float_streams *streams, Bit32u len) { mt32emu_render_float_streams(c, streams, len); } + + bool hasActivePartials() { return mt32emu_has_active_partials(c) != MT32EMU_BOOL_FALSE; } + bool isActive() { return mt32emu_is_active(c) != MT32EMU_BOOL_FALSE; } + Bit32u getPartialCount() { return mt32emu_get_partial_count(c); } + Bit32u getPartStates() { return mt32emu_get_part_states(c); } + void getPartialStates(Bit8u *partial_states) { mt32emu_get_partial_states(c, partial_states); } + Bit32u getPlayingNotes(Bit8u part_number, Bit8u *keys, Bit8u *velocities) { return mt32emu_get_playing_notes(c, part_number, keys, velocities); } + const char *getPatchName(Bit8u part_number) { return mt32emu_get_patch_name(c, part_number); } + void readMemory(Bit32u addr, Bit32u len, Bit8u *data) { mt32emu_read_memory(c, addr, len, data); } + +private: +#if MT32EMU_API_TYPE == 2 + const mt32emu_service_i i; +#endif + mt32emu_context c; +}; + +namespace CppInterfaceImpl { + +static mt32emu_report_handler_version getReportHandlerVersionID(mt32emu_report_handler_i) { + return MT32EMU_REPORT_HANDLER_VERSION_CURRENT; +} + +static void printDebug(void *instance_data, const char *fmt, va_list list) { + ((IReportHandler *)instance_data)->printDebug(fmt, list); +} + +static void onErrorControlROM(void *instance_data) { + ((IReportHandler *)instance_data)->onErrorControlROM(); +} + +static void onErrorPCMROM(void *instance_data) { + ((IReportHandler *)instance_data)->onErrorPCMROM(); +} + +static void showLCDMessage(void *instance_data, const char *message) { + ((IReportHandler *)instance_data)->showLCDMessage(message); +} + +static void onMIDIMessagePlayed(void *instance_data) { + ((IReportHandler *)instance_data)->onMIDIMessagePlayed(); +} + +static mt32emu_boolean onMIDIQueueOverflow(void *instance_data) { + return ((IReportHandler *)instance_data)->onMIDIQueueOverflow() ? MT32EMU_BOOL_TRUE : MT32EMU_BOOL_FALSE; +} + +static void onMIDISystemRealtime(void *instance_data, mt32emu_bit8u system_realtime) { + ((IReportHandler *)instance_data)->onMIDISystemRealtime(system_realtime); +} + +static void onDeviceReset(void *instance_data) { + ((IReportHandler *)instance_data)->onDeviceReset(); +} + +static void onDeviceReconfig(void *instance_data) { + ((IReportHandler *)instance_data)->onDeviceReconfig(); +} + +static void onNewReverbMode(void *instance_data, mt32emu_bit8u mode) { + ((IReportHandler *)instance_data)->onNewReverbMode(mode); +} + +static void onNewReverbTime(void *instance_data, mt32emu_bit8u time) { + ((IReportHandler *)instance_data)->onNewReverbTime(time); +} + +static void onNewReverbLevel(void *instance_data, mt32emu_bit8u level) { + ((IReportHandler *)instance_data)->onNewReverbLevel(level); +} + +static void onPolyStateChanged(void *instance_data, mt32emu_bit8u part_num) { + ((IReportHandler *)instance_data)->onPolyStateChanged(part_num); +} + +static void onProgramChanged(void *instance_data, mt32emu_bit8u part_num, const char *sound_group_name, const char *patch_name) { + ((IReportHandler *)instance_data)->onProgramChanged(part_num, sound_group_name, patch_name); +} + +static mt32emu_report_handler_i getReportHandlerThunk() { + static const mt32emu_report_handler_i_v0 REPORT_HANDLER_V0_THUNK = { + getReportHandlerVersionID, + printDebug, + onErrorControlROM, + onErrorPCMROM, + showLCDMessage, + onMIDIMessagePlayed, + onMIDIQueueOverflow, + onMIDISystemRealtime, + onDeviceReset, + onDeviceReconfig, + onNewReverbMode, + onNewReverbTime, + onNewReverbLevel, + onPolyStateChanged, + onProgramChanged + }; + + static const mt32emu_report_handler_i REPORT_HANDLER_THUNK = { &REPORT_HANDLER_V0_THUNK }; + + return REPORT_HANDLER_THUNK; +} + +static mt32emu_midi_receiver_version getMidiReceiverVersionID(mt32emu_midi_receiver_i) { + return MT32EMU_MIDI_RECEIVER_VERSION_CURRENT; +} + +static void handleShortMessage(void *instance_data, const mt32emu_bit32u message) { + ((IMidiReceiver *)instance_data)->handleShortMessage(message); +} + +static void handleSysex(void *instance_data, const mt32emu_bit8u stream[], const mt32emu_bit32u length) { + ((IMidiReceiver *)instance_data)->handleSysex(stream, length); +} + +static void handleSystemRealtimeMessage(void *instance_data, const mt32emu_bit8u realtime) { + ((IMidiReceiver *)instance_data)->handleSystemRealtimeMessage(realtime); +} + +static mt32emu_midi_receiver_i getMidiReceiverThunk() { + static const mt32emu_midi_receiver_i_v0 MIDI_RECEIVER_V0_THUNK = { + getMidiReceiverVersionID, + handleShortMessage, + handleSysex, + handleSystemRealtimeMessage + }; + + static const mt32emu_midi_receiver_i MIDI_RECEIVER_THUNK = { &MIDI_RECEIVER_V0_THUNK }; + + return MIDI_RECEIVER_THUNK; +} + +} // namespace CppInterfaceImpl + +} // namespace MT32Emu + +#if MT32EMU_API_TYPE == 2 + +#undef mt32emu_get_supported_report_handler_version +#undef mt32emu_get_supported_midi_receiver_version +#undef mt32emu_get_library_version_int +#undef mt32emu_get_library_version_string +#undef mt32emu_get_stereo_output_samplerate +#undef mt32emu_create_context +#undef mt32emu_free_context +#undef mt32emu_add_rom_data +#undef mt32emu_add_rom_file +#undef mt32emu_get_rom_info +#undef mt32emu_set_partial_count +#undef mt32emu_set_analog_output_mode +#undef mt32emu_open_synth +#undef mt32emu_close_synth +#undef mt32emu_is_open +#undef mt32emu_get_actual_stereo_output_samplerate +#undef mt32emu_flush_midi_queue +#undef mt32emu_set_midi_event_queue_size +#undef mt32emu_set_midi_receiver +#undef mt32emu_parse_stream +#undef mt32emu_parse_stream_at +#undef mt32emu_play_short_message +#undef mt32emu_play_short_message_at +#undef mt32emu_play_msg +#undef mt32emu_play_sysex +#undef mt32emu_play_msg_at +#undef mt32emu_play_sysex_at +#undef mt32emu_play_msg_now +#undef mt32emu_play_msg_on_part +#undef mt32emu_play_sysex_now +#undef mt32emu_write_sysex +#undef mt32emu_set_reverb_enabled +#undef mt32emu_is_reverb_enabled +#undef mt32emu_set_reverb_overridden +#undef mt32emu_is_reverb_overridden +#undef mt32emu_set_reverb_compatibility_mode +#undef mt32emu_is_mt32_reverb_compatibility_mode +#undef mt32emu_is_default_reverb_mt32_compatible +#undef mt32emu_set_dac_input_mode +#undef mt32emu_get_dac_input_mode +#undef mt32emu_set_midi_delay_mode +#undef mt32emu_get_midi_delay_mode +#undef mt32emu_set_output_gain +#undef mt32emu_get_output_gain +#undef mt32emu_set_reverb_output_gain +#undef mt32emu_get_reverb_output_gain +#undef mt32emu_set_reversed_stereo_enabled +#undef mt32emu_is_reversed_stereo_enabled +#undef mt32emu_render_bit16s +#undef mt32emu_render_float +#undef mt32emu_render_bit16s_streams +#undef mt32emu_render_float_streams +#undef mt32emu_has_active_partials +#undef mt32emu_is_active +#undef mt32emu_get_partial_count +#undef mt32emu_get_part_states +#undef mt32emu_get_partial_states +#undef mt32emu_get_playing_notes +#undef mt32emu_get_patch_name +#undef mt32emu_read_memory + +#endif // #if MT32EMU_API_TYPE == 2 + +#endif /* #ifndef MT32EMU_CPP_INTERFACE_H */ |