-
Notifications
You must be signed in to change notification settings - Fork 0
/
pmf_data.h
114 lines (99 loc) · 5.34 KB
/
pmf_data.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
//============================================================================
// PMF Player
//
// Copyright (c) 2019, Profoundic Technologies, Inc.
// All rights reserved.
//----------------------------------------------------------------------------
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of Profoundic Technologies nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL PROFOUNDIC TECHNOLOGIES BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//============================================================================
#ifndef PFC_PMF_DATA_H
#define PFC_PMF_DATA_H
//---------------------------------------------------------------------------
//============================================================================
// interface
//============================================================================
// external
#include <stddef.h>
// new
struct pmf_instrument_header;
#define PFC_OFFSETOF(type__, mvar__) offsetof(type__, mvar__)
//---------------------------------------------------------------------------
//============================================================================
// pmf_sample_header
//============================================================================
struct pmf_sample_header
{
uint32_t data_offset;
uint32_t length;
uint32_t loop_length_and_panning;
int16_t finetune;
uint8_t flags;
uint8_t volume;
};
//----------------------------------------------------------------------------
//============================================================================
// pmf_instrument_header
//============================================================================
struct pmf_instrument_header
{
uint16_t sample_idx; // sample index or offset to a note map
uint16_t vol_env_offset;
uint16_t pitch_env_offset;
uint16_t fadeout_speed;
uint8_t volume;
int8_t panning;
};
//----------------------------------------------------------------------------
//============================================================================
// e_pmf_sample_flags
//============================================================================
enum e_pmf_sample_flags
{
pmfsmpflag_16bit = 0x01,
pmfsmpflag_bidi_loop = 0x02,
};
//----------------------------------------------------------------------------
//============================================================================
// sample data offsets
//============================================================================
enum {pmfcfg_sample_metadata_size=sizeof(pmf_sample_header)};
enum {pmfcfg_offset_smp_data=PFC_OFFSETOF(pmf_sample_header, data_offset)};
enum {pmfcfg_offset_smp_length=PFC_OFFSETOF(pmf_sample_header, length)};
enum {pmfcfg_offset_smp_loop_length_and_panning=PFC_OFFSETOF(pmf_sample_header, loop_length_and_panning)};
enum {pmfcfg_offset_smp_finetune=PFC_OFFSETOF(pmf_sample_header, finetune)};
enum {pmfcfg_offset_smp_flags=PFC_OFFSETOF(pmf_sample_header, flags)};
enum {pmfcfg_offset_smp_volume=PFC_OFFSETOF(pmf_sample_header, volume)};
//----------------------------------------------------------------------------
//============================================================================
// instrument data offsets
//============================================================================
enum {pmfcfg_instrument_metadata_size=sizeof(pmf_instrument_header)};
enum {pmfcfg_offset_inst_sample_idx=PFC_OFFSETOF(pmf_instrument_header, sample_idx)};
enum {pmfcfg_offset_inst_vol_env=PFC_OFFSETOF(pmf_instrument_header, vol_env_offset)};
enum {pmfcfg_offset_inst_pitch_env=PFC_OFFSETOF(pmf_instrument_header, pitch_env_offset)};
enum {pmfcfg_offset_inst_fadeout_speed=PFC_OFFSETOF(pmf_instrument_header, fadeout_speed)};
enum {pmfcfg_offset_inst_volume=PFC_OFFSETOF(pmf_instrument_header, volume)};
enum {pmfcfg_offset_inst_panning=PFC_OFFSETOF(pmf_instrument_header, panning)};
//----------------------------------------------------------------------------
//============================================================================
#endif