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1 /*-
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2 * Copyright (c) 2007, 2008 Edward Tomasz Napierała <trasz@FreeBSD.org>
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3 * All rights reserved.
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4 *
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5 * Redistribution and use in source and binary forms, with or without
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6 * modification, are permitted provided that the following conditions
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7 * are met:
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8 * 1. Redistributions of source code must retain the above copyright
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9 * notice, this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright
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11 * notice, this list of conditions and the following disclaimer in the
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12 * documentation and/or other materials provided with the distribution.
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13 *
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14 * ALTHOUGH THIS SOFTWARE IS MADE OF WIN AND SCIENCE, IT IS PROVIDED BY THE
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15 * AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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16 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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17 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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18 * THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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20 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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21 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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23 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 *
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26 */
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27
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28 #ifndef SMF_PRIVATE_H
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29 #define SMF_PRIVATE_H
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30
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31 #include <stdint.h>
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32 #include <sys/types.h>
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33
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34 #include "fake_glib.h"
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35
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36 #include "config.h"
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37
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38 #define SMF_VERSION PACKAGE_VERSION
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39
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40 /**
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41 * \file
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42 *
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43 * Private header. Applications using libsmf should use smf.h.
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44 *
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45 */
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46
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47 #if defined(__GNUC__)
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48 #define ATTRIBUTE_PACKED __attribute__((__packed__))
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49 #else
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50 #define ATTRIBUTE_PACKED
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51 #pragma pack(1)
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52 #endif
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53
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54 /** SMF chunk header, used only by smf_load.c and smf_save.c. */
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55 struct chunk_header_struct {
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56 char id[4];
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57 uint32_t length;
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58 } ATTRIBUTE_PACKED;
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59
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60 /** SMF chunk, used only by smf_load.c and smf_save.c. */
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61 struct mthd_chunk_struct {
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62 struct chunk_header_struct mthd_header;
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63 uint16_t format;
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64 uint16_t number_of_tracks;
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65 uint16_t division;
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66 } ATTRIBUTE_PACKED;
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67
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68 #if (!defined __GNUC__)
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69 #pragma pack()
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70 #endif
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71
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72 void smf_track_add_event(smf_track_t *track, smf_event_t *event);
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73 void smf_init_tempo(smf_t *smf);
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74 void smf_fini_tempo(smf_t *smf);
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75 void smf_create_tempo_map_and_compute_seconds(smf_t *smf);
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76 void maybe_add_to_tempo_map(smf_event_t *event);
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77 void remove_last_tempo_with_pulses(smf_t *smf, int pulses);
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78 int smf_event_is_tempo_change_or_time_signature(const smf_event_t *event) WARN_UNUSED_RESULT;
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79 int smf_event_length_is_valid(const smf_event_t *event) WARN_UNUSED_RESULT;
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80 int is_status_byte(const unsigned char status) WARN_UNUSED_RESULT;
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81
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82 #endif /* SMF_PRIVATE_H */
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83
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