1 /*-

2 * Copyright (c) 2007, 2008 Edward Tomasz Napierała <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

23 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

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 "fake_glib.h"

35

36 #include "config.h"

37

38 #define SMF_VERSION PACKAGE_VERSION

39

40 /**

41 * \file

42 *

43 * Private header. Applications using libsmf should use smf.h.

44 *

45 */

46

47 #if defined(__GNUC__)

48 #define ATTRIBUTE_PACKED __attribute__((__packed__))

49 #else

50 #define ATTRIBUTE_PACKED

51 #pragma pack(1)

52 #endif

53

54 /** SMF chunk header, used only by smf_load.c and smf_save.c. */

55 struct chunk_header_struct {

56 char id[4];

57 uint32_t length;

58 } ATTRIBUTE_PACKED;

59

60 /** SMF chunk, used only by smf_load.c and smf_save.c. */

61 struct mthd_chunk_struct {

62 struct chunk_header_struct mthd_header;

63 uint16_t format;

64 uint16_t number_of_tracks;

65 uint16_t division;

66 } ATTRIBUTE_PACKED;

67

68 #if (!defined __GNUC__)

69 #pragma pack()

70 #endif

71

72 void smf_track_add_event(smf_track_t *track, smf_event_t *event);

73 void smf_init_tempo(smf_t *smf);

74 void smf_fini_tempo(smf_t *smf);

75 void smf_create_tempo_map_and_compute_seconds(smf_t *smf);

76 void maybe_add_to_tempo_map(smf_event_t *event);

77 void remove_last_tempo_with_pulses(smf_t *smf, int pulses);

78 int smf_event_is_tempo_change_or_time_signature(const smf_event_t *event) WARN_UNUSED_RESULT;

79 int smf_event_length_is_valid(const smf_event_t *event) WARN_UNUSED_RESULT;

80 int is_status_byte(const unsigned char status) WARN_UNUSED_RESULT;

81

82 #endif /* SMF_PRIVATE_H */

83