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annotate libmlk-core/mlk/core/music.c @ 578:f271681ce015

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mlk-map: follow conventions
author David Demelier <markand@malikania.fr>
date Sat, 11 Mar 2023 11:20:46 +0100
parents 3761e33d429e
children fcd124e513ea
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1 /*
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2 * music.h -- music support
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3 *
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4 * Copyright (c) 2020-2023 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20 #include <string.h>
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21
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22 #include "err.h"
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23 #include "music.h"
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24 #include "sys_p.h"
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25
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26 #define SOURCE(mus) ((const struct mlk__audiostream *)mus->handle)->source
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28 int
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29 mlk_music_open(struct mlk_music *mus, const char *path)
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30 {
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31 assert(mus);
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32 assert(path);
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33
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34 return mlk__audiostream_open((struct mlk__audiostream **)&mus->handle, path);
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35 }
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36
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37 int
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38 mlk_music_openmem(struct mlk_music *mus, const void *buffer, size_t buffersz)
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39 {
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40 assert(mus);
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41 assert(buffer);
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42
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43 return mlk__audiostream_openmem((struct mlk__audiostream **)&mus->handle, buffer, buffersz);
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44 }
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45
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46 int
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47 mlk_music_ok(const struct mlk_music *mus)
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48 {
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49 return mus && mus->handle;
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50 }
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51
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52 int
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53 mlk_music_play(struct mlk_music *mus, enum mlk_music_flags flags)
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54 {
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55 assert(mus);
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56
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57 if (flags & MLK_MUSIC_LOOP)
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58 alSourcei(SOURCE(mus), AL_LOOPING, AL_TRUE);
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59 else
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60 alSourcei(SOURCE(mus), AL_LOOPING, AL_TRUE);
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61
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62 alSourceRewind(SOURCE(mus));
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63 alSourcePlay(SOURCE(mus));
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64
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65 return 0;
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66 }
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67
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68 void
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69 mlk_music_pause(struct mlk_music *mus)
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70 {
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71 assert(mlk_music_ok(mus));
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72
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73 alSourcePause(SOURCE(mus));
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74 }
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75
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76 void
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77 mlk_music_resume(struct mlk_music *mus)
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78 {
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79 assert(mlk_music_ok(mus));
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80
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81 alSourcePlay(SOURCE(mus));
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82 }
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83
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84 void
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85 mlk_music_stop(struct mlk_music *mus)
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86 {
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87 assert(mlk_music_ok(mus));
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88
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89 alSourceStop(SOURCE(mus));
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90 }
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91
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92 void
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93 mlk_music_finish(struct mlk_music *mus)
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94 {
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95 assert(mus);
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96
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97 if (mus->handle) {
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98 mlk_music_stop(mus);
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99 mlk__audiostream_finish(mus->handle);
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100 }
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101
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102 memset(mus, 0, sizeof (*mus));
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103 }