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88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
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//-------------------------------------------------------------------------
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/*
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Copyright (C) 2016 EDuke32 developers and contributors
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This file is part of EDuke32.
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EDuke32 is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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//-------------------------------------------------------------------------
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#ifndef __MIDI_H
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#define __MIDI_H
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enum MIDI_Errors
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{
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MIDI_Warning = -2,
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MIDI_Error = -1,
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MIDI_Ok = 0,
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MIDI_NullMidiModule,
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MIDI_InvalidMidiFile,
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MIDI_UnknownMidiFormat,
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MIDI_NoTracks,
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MIDI_InvalidTrack,
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MIDI_NoMemory,
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MIDI_DPMI_Error
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};
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#define MIDI_PASS_THROUGH 1
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#define MIDI_DONT_PLAY 0
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#define MIDI_MaxVolume 255
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extern char MIDI_PatchMap[ 128 ];
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typedef struct
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{
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void (*NoteOff)(int32_t channel, int32_t key, int32_t velocity);
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void (*NoteOn)(int32_t channel, int32_t key, int32_t velocity);
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void (*PolyAftertouch)(int32_t channel, int32_t key, int32_t pressure);
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void (*ControlChange)(int32_t channel, int32_t number, int32_t value);
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void (*ProgramChange)(int32_t channel, int32_t program);
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void (*ChannelAftertouch)(int32_t channel, int32_t pressure);
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void (*PitchBend)(int32_t channel, int32_t lsb, int32_t msb);
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void (*FinishBuffer)(void);
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} midifuncs;
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void MIDI_RerouteMidiChannel( int32_t channel, int32_t ( *function )( int32_t event, int32_t c1, int32_t c2 ) );
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int32_t MIDI_AllNotesOff( void );
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void MIDI_SetUserChannelVolume( int32_t channel, int32_t volume );
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void MIDI_ResetUserChannelVolume( void );
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int32_t MIDI_Reset( void );
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int32_t MIDI_SetVolume( int32_t volume );
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int32_t MIDI_GetVolume( void );
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void MIDI_SetMidiFuncs( midifuncs *funcs );
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void MIDI_SetContext( int32_t context );
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int32_t MIDI_GetContext( void );
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void MIDI_SetLoopFlag( int32_t loopflag );
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void MIDI_ContinueSong( void );
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void MIDI_PauseSong( void );
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int32_t MIDI_SongPlaying( void );
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void MIDI_StopSong( void );
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int32_t MIDI_PlaySong( char *song, int32_t loopflag );
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void MIDI_SetTempo( int32_t tempo );
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int32_t MIDI_GetTempo( void );
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void MIDI_SetSongTick( uint32_t PositionInTicks );
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void MIDI_SetSongTime( uint32_t milliseconds );
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void MIDI_SetSongPosition( int32_t measure, int32_t beat, int32_t tick );
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void MIDI_GetSongPosition( songposition *pos );
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void MIDI_GetSongLength( songposition *pos );
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void MIDI_LoadTimbres( void );
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void MIDI_UpdateMusic(void);
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void MIDI_SetDivision( int32_t division );
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#endif
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