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oot/tools/audio/aifc.h
Tharo aa97586659
[Audio 6/?] Build Soundfonts and the Soundfont Table (#2056)
* [Audio 6/?] Build Soundfonts and the Soundfont Table

* Improve lots of error messages

* First suggested changes

* Make audio build debugging more friendly

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>

* Some fixes from MM review

* Make soundfont_table.h generation depend on the samplebank xmls since they are read, report from which soundfont the invalid pointer indirect warning originates from

---------

Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
2024-08-27 21:09:59 -04:00

80 lines
1.8 KiB
C

/**
* SPDX-FileCopyrightText: Copyright (C) 2024 ZeldaRET
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef AIFC_H_
#define AIFC_H_
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
typedef struct {
int32_t order;
int32_t npredictors;
} ALADPCMbookhead;
typedef int16_t ALADPCMbookstate[];
typedef struct {
uint32_t start;
uint32_t end;
uint32_t count;
int16_t state[16];
} ALADPCMloop;
typedef struct {
int16_t id;
uint32_t pos;
char *label;
} aifc_marker;
typedef struct {
const char *path; // for debugging
// COMM
uint32_t num_frames;
int16_t num_channels;
int16_t sample_size;
double sample_rate;
uint32_t compression_type;
char *compression_name;
// SSND
long ssnd_offset;
size_t ssnd_size;
// INST
bool has_inst;
int8_t basenote;
int8_t detune;
// MARK
size_t num_markers;
aifc_marker (*markers)[];
// APPL::stoc::VADPCMCODES
bool has_book;
ALADPCMbookhead book;
ALADPCMbookstate *book_state;
// APPL::stoc::VADPCMLOOPS
bool has_loop;
ALADPCMloop loop;
} aifc_data;
#define BUG_BUF_SIZE 0x10000
void
aifc_read(aifc_data *af, const char *path, uint8_t *match_buf, size_t *match_buf_pos);
void
aifc_dispose(aifc_data *af);
// Subtract 21, if negative wrap into [0, 128)
#define NOTE_MIDI_TO_Z64(b) (((b)-21 < 0) ? ((b)-21 + 128) : ((b)-21))
#define CC4_CHECK(buf, str) \
((buf)[0] == (str)[0] && (buf)[1] == (str)[1] && (buf)[2] == (str)[2] && (buf)[3] == (str)[3])
#define CC4(c1, c2, c3, c4) (((c1) << 24) | ((c2) << 16) | ((c3) << 8) | (c4))
#endif