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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | pmbaty | 1 | /* |
| 2 | * This file is part of the DXX-Rebirth project <https://www.dxx-rebirth.com/>. |
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| 3 | * It is copyright by its individual contributors, as recorded in the |
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| 4 | * project's Git history. See COPYING.txt at the top level for license |
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| 5 | * terms and a link to the Git history. |
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| 6 | */ |
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| 7 | #ifndef __HMP_H |
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| 8 | #define __HMP_H |
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| 9 | |||
| 10 | #include <memory> |
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| 11 | #include <vector> |
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| 12 | #ifdef _WIN32 |
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| 13 | #include <windows.h> |
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| 14 | #include <mmsystem.h> |
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| 15 | #endif |
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| 16 | #include "physfsx.h" |
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| 17 | |||
| 18 | #ifdef __cplusplus |
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| 19 | namespace dcx { |
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| 20 | |||
| 21 | #define HMP_TRACKS 32 |
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| 22 | #ifdef _WIN32 |
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| 23 | #define MIDI_VOLUME_SCALE 128 |
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| 24 | #define HMP_BUFFERS 4 |
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| 25 | #define HMP_BUFSIZE 1024 |
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| 26 | #define HMP_INVALID_FILE -1 |
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| 27 | #define HMP_OUT_OF_MEM -2 |
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| 28 | #define HMP_MM_ERR -3 |
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| 29 | #define HMP_EOF 1 |
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| 30 | |||
| 31 | #define MIDI_CONTROL_CHANGE 0xB |
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| 32 | #define MIDI_PROGRAM_CHANGE 0xC |
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| 33 | |||
| 34 | #define MIDI_BANK_SELECT_MSB 0x00 |
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| 35 | #define MIDI_BANK_SELECT_LSB 0x20 |
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| 36 | #define MIDI_VOLUME 0x07 |
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| 37 | #define MIDI_PANPOT 0x0A |
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| 38 | #define MIDI_REVERB 0x5B |
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| 39 | #define MIDI_CHORUS 0x5D |
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| 40 | #define MIDI_ALL_SOUNDS_OFF 0x78 |
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| 41 | #define MIDI_RESET_ALL_CONTROLLERS 0x79 |
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| 42 | #define MIDI_ALL_NOTES_OFF 0x7B |
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| 43 | |||
| 44 | #define HMP_LOOP_START 0x6E |
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| 45 | #define HMP_LOOP_END 0x6F |
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| 46 | #endif |
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| 47 | |||
| 48 | #ifdef _WIN32 |
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| 49 | struct event |
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| 50 | { |
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| 51 | unsigned int delta; |
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| 52 | unsigned char msg[3]; |
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| 53 | unsigned char *data; |
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| 54 | unsigned int datalen; |
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| 55 | }; |
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| 56 | #endif |
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| 57 | |||
| 58 | struct hmp_track |
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| 59 | { |
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| 60 | std::unique_ptr<uint8_t[]> data; |
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| 61 | unsigned char *loop; |
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| 62 | unsigned int len; |
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| 63 | unsigned char *cur; |
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| 64 | unsigned int left; |
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| 65 | unsigned int cur_time; |
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| 66 | unsigned int loop_start; |
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| 67 | int loop_set; |
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| 68 | }; |
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| 69 | |||
| 70 | struct hmp_file |
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| 71 | { |
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| 72 | ~hmp_file(); |
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| 73 | PHYSFS_sint64 filesize; |
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| 74 | int num_trks; |
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| 75 | std::array<hmp_track, HMP_TRACKS> trks; |
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| 76 | unsigned int cur_time; |
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| 77 | unsigned int loop_start; |
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| 78 | unsigned int loop_end; |
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| 79 | int looping; |
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| 80 | int tempo; |
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| 81 | #ifdef _WIN32 |
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| 82 | MIDIHDR *evbuf; |
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| 83 | HMIDISTRM hmidi; |
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| 84 | UINT devid; |
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| 85 | #endif |
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| 86 | unsigned char *pending; |
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| 87 | unsigned int pending_size; |
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| 88 | unsigned int pending_event; |
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| 89 | int stop; |
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| 90 | int bufs_in_mm; |
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| 91 | int bLoop; |
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| 92 | unsigned int midi_division; |
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| 93 | }; |
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| 94 | |||
| 95 | std::unique_ptr<hmp_file> hmp_open(const char *filename); |
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| 96 | void hmp2mid(const char *hmp_name, std::vector<uint8_t> &midbuf); |
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| 97 | #ifdef _WIN32 |
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| 98 | void hmp_setvolume(hmp_file *hmp, int volume); |
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| 99 | int hmp_play(hmp_file *hmp, int bLoop); |
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| 100 | void hmp_pause(hmp_file *hmp); |
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| 101 | void hmp_resume(hmp_file *hmp); |
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| 102 | void hmp_reset(); |
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| 103 | #endif |
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| 104 | |||
| 105 | } |
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| 106 | #endif |
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| 107 | |||
| 108 | #endif |