107 lines
2.2 KiB
C++
107 lines
2.2 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#ifndef __HMP_H
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#define __HMP_H
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#include <memory>
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#include <vector>
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#ifdef _WIN32
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#include <windows.h>
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#include <mmsystem.h>
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#endif
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#include "physfsx.h"
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#ifdef __cplusplus
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#define HMP_TRACKS 32
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#ifdef _WIN32
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#define MIDI_VOLUME_SCALE 128
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#define HMP_BUFFERS 4
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#define HMP_BUFSIZE 1024
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#define HMP_INVALID_FILE -1
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#define HMP_OUT_OF_MEM -2
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#define HMP_MM_ERR -3
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#define HMP_EOF 1
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#define MIDI_CONTROL_CHANGE 0xB
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#define MIDI_PROGRAM_CHANGE 0xC
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#define MIDI_BANK_SELECT_MSB 0x00
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#define MIDI_BANK_SELECT_LSB 0x20
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#define MIDI_VOLUME 0x07
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#define MIDI_PANPOT 0x0A
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#define MIDI_REVERB 0x5B
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#define MIDI_CHORUS 0x5D
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#define MIDI_ALL_SOUNDS_OFF 0x78
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#define MIDI_RESET_ALL_CONTROLLERS 0x79
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#define MIDI_ALL_NOTES_OFF 0x7B
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#define HMP_LOOP_START 0x6E
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#define HMP_LOOP_END 0x6F
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#endif
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#ifdef _WIN32
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struct event
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{
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unsigned int delta;
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unsigned char msg[3];
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unsigned char *data;
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unsigned int datalen;
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};
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#endif
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struct hmp_track
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{
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std::unique_ptr<uint8_t[]> data;
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unsigned char *loop;
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unsigned int len;
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unsigned char *cur;
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unsigned int left;
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unsigned int cur_time;
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unsigned int loop_start;
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int loop_set;
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};
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struct hmp_file
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{
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~hmp_file();
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PHYSFS_sint64 filesize;
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int num_trks;
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array<hmp_track, HMP_TRACKS> trks;
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unsigned int cur_time;
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unsigned int loop_start;
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unsigned int loop_end;
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int looping;
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int tempo;
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#ifdef _WIN32
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MIDIHDR *evbuf;
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HMIDISTRM hmidi;
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UINT devid;
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#endif
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unsigned char *pending;
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unsigned int pending_size;
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unsigned int pending_event;
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int stop;
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int bufs_in_mm;
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int bLoop;
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unsigned int midi_division;
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};
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std::unique_ptr<hmp_file> hmp_open(const char *filename);
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void hmp2mid(const char *hmp_name, std::vector<uint8_t> &midbuf);
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#ifdef _WIN32
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void hmp_setvolume(hmp_file *hmp, int volume);
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int hmp_play(hmp_file *hmp, int bLoop);
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void hmp_pause(hmp_file *hmp);
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void hmp_resume(hmp_file *hmp);
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void hmp_reset();
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#endif
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#endif
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#endif
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