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livetrax/libs/evoral/libsmf/smf_private.h

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/*-
* Copyright (c) 2007, 2008 Edward Tomasz Napierała <trasz@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* ALTHOUGH THIS SOFTWARE IS MADE OF WIN AND SCIENCE, IT IS PROVIDED BY THE
* AUTHOR 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
* THE AUTHOR OR CONTRIBUTORS 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 SMF_PRIVATE_H
#define SMF_PRIVATE_H
#include <stdint.h>
#include <sys/types.h>
//#include "config.h"
//#define SMF_VERSION PACKAGE_VERSION
/**
* \file
*
* Private header. Applications using libsmf should use smf.h.
*
*/
#if defined(__GNUC__)
#define ATTRIBUTE_PACKED __attribute__((__packed__))
#else
#define ATTRIBUTE_PACKED
#pragma pack(1)
#endif
/** SMF chunk header, used only by smf_load.c and smf_save.c. */
struct chunk_header_struct {
char id[4];
uint32_t length;
} ATTRIBUTE_PACKED;
/** SMF chunk, used only by smf_load.c and smf_save.c. */
struct mthd_chunk_struct {
struct chunk_header_struct mthd_header;
uint16_t format;
uint16_t number_of_tracks;
uint16_t division;
} ATTRIBUTE_PACKED;
#if (!defined __GNUC__)
#pragma pack()
#endif
void smf_track_add_event(smf_track_t *track, smf_event_t *event);
void smf_init_tempo(smf_t *smf);
void smf_fini_tempo(smf_t *smf);
void smf_create_tempo_map_and_compute_seconds(smf_t *smf);
void maybe_add_to_tempo_map(smf_event_t *event);
void remove_last_tempo_with_pulses(smf_t *smf, size_t pulses);
int smf_event_is_tempo_change_or_time_signature(const smf_event_t *event) WARN_UNUSED_RESULT;
int smf_event_length_is_valid(const smf_event_t *event) WARN_UNUSED_RESULT;
int is_status_byte(const unsigned char status) WARN_UNUSED_RESULT;
smf_track_t* smf_find_track_with_next_event (smf_t *smf);
#endif /* SMF_PRIVATE_H */