libsmf
smf_private.h
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1 /*-
2  * Copyright (c) 2007, 2008 Edward Tomasz NapieraƂa <trasz@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  *
14  * ALTHOUGH THIS SOFTWARE IS MADE OF WIN AND SCIENCE, IT IS PROVIDED BY THE
15  * AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18  * THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
20  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
21  * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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24  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  */
27 
28 #ifndef SMF_PRIVATE_H
29 #define SMF_PRIVATE_H
30 
31 #include <stdint.h>
32 #include <sys/types.h>
33 
34 #include "config.h"
35 
36 #define SMF_VERSION PACKAGE_VERSION
37 
45 #if defined(__GNUC__)
46 #define ATTRIBUTE_PACKED __attribute__((__packed__))
47 #else
48 #define ATTRIBUTE_PACKED
49 #pragma pack(1)
50 #endif
51 
54  char id[4];
55  uint32_t length;
57 
61  uint16_t format;
62  uint16_t number_of_tracks;
63  uint16_t division;
65 
66 #if (!defined __GNUC__)
67 #pragma pack()
68 #endif
69 
70 void smf_track_add_event(smf_track_t *track, smf_event_t *event);
71 void smf_init_tempo(smf_t *smf);
72 void smf_fini_tempo(smf_t *smf);
75 void remove_last_tempo_with_pulses(smf_t *smf, int pulses);
76 int smf_event_is_tempo_change_or_time_signature(const smf_event_t *event) WARN_UNUSED_RESULT;
77 int smf_event_length_is_valid(const smf_event_t *event) WARN_UNUSED_RESULT;
78 int is_status_byte(const unsigned char status) WARN_UNUSED_RESULT;
79 
80 #endif /* SMF_PRIVATE_H */
81 
SMF chunk, used only by smf_load.c and smf_save.c.
Definition: smf_private.h:59
int smf_event_length_is_valid(const smf_event_t *event) WARN_UNUSED_RESULT
Definition: smf_load.c:718
SMF chunk header, used only by smf_load.c and smf_save.c.
Definition: smf_private.h:53
Represents a "song", that is, collection of one or more tracks.
Definition: smf.h:230
Represents a single track.
Definition: smf.h:271
void smf_init_tempo(smf_t *smf)
Definition: smf_tempo.c:367
void smf_create_tempo_map_and_compute_seconds(smf_t *smf)
Definition: smf_tempo.c:235
void maybe_add_to_tempo_map(smf_event_t *event)
Definition: smf_tempo.c:125
int is_status_byte(const unsigned char status) WARN_UNUSED_RESULT
Returns 1 if the given byte is a valid status byte, 0 otherwise.
Definition: smf_load.c:251
void remove_last_tempo_with_pulses(smf_t *smf, int pulses)
Definition: smf_tempo.c:173
uint16_t number_of_tracks
Definition: smf_private.h:62
void smf_track_add_event(smf_track_t *track, smf_event_t *event)
Adds the event to the track and computes ->delta_pulses.
Definition: smf.c:441
Represents a single MIDI event or metaevent.
Definition: smf.h:301
int smf_event_is_tempo_change_or_time_signature(const smf_event_t *event) WARN_UNUSED_RESULT
Definition: smf.c:631
struct chunk_header_struct mthd_header
Definition: smf_private.h:60
void smf_fini_tempo(smf_t *smf)
Definition: smf_tempo.c:342
uint16_t division
Definition: smf_private.h:63
struct chunk_header_struct ATTRIBUTE_PACKED
smf_t * smf
Definition: smfsh.c:56