1 | //sample.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2012 |
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5 | * |
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6 | * This file is part of roard a part of RoarAudio, |
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7 | * a cross-platform sound system for both, home and professional use. |
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8 | * See README for details. |
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9 | * |
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10 | * This file is free software; you can redistribute it and/or modify |
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11 | * it under the terms of the GNU General Public License version 3 |
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12 | * as published by the Free Software Foundation. |
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13 | * |
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14 | * RoarAudio is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | * GNU General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with this software; see the file COPYING. If not, write to |
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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | */ |
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25 | |
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26 | #include "roard.h" |
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27 | |
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28 | // declared 'extern' |
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29 | struct roar_sample * g_samples[ROAR_SAMPLES_MAX]; |
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30 | |
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31 | int samples_init (void) { |
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32 | int i; |
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33 | |
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34 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) |
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35 | g_samples[i] = NULL; |
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36 | |
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37 | return 0; |
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38 | } |
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39 | |
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40 | |
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41 | int samples_free (void) { |
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42 | int i; |
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43 | |
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44 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) |
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45 | if ( g_samples[i] != NULL ) |
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46 | samples_delete(i); |
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47 | |
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48 | return 0; |
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49 | } |
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50 | |
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51 | int samples_new (void) { |
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52 | struct roar_sample * c = roar_mm_malloc(sizeof(struct roar_sample)); |
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53 | int i; |
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54 | |
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55 | if ( c == NULL ) |
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56 | return -1; |
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57 | |
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58 | c->name[0] = 0; |
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59 | c->data = NULL; |
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60 | |
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61 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) { |
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62 | if ( g_samples[i] == NULL ) { |
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63 | g_samples[i] = c; |
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64 | return i; |
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65 | } |
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66 | } |
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67 | |
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68 | roar_mm_free(c); |
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69 | |
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70 | return -1; |
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71 | } |
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72 | |
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73 | int samples_delete (int id) { |
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74 | struct roar_sample * c = g_samples[id]; |
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75 | |
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76 | if ( c == NULL ) |
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77 | return -1; |
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78 | |
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79 | if ( c->data != NULL ) |
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80 | roar_buffer_free(c->data); |
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81 | |
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82 | roar_mm_free(c); |
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83 | |
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84 | g_samples[id] = NULL; |
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85 | |
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86 | return 0; |
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87 | } |
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88 | |
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89 | int samples_set_name (int id, char * name) { |
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90 | struct roar_sample * c = g_samples[id]; |
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91 | |
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92 | if ( c == NULL ) |
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93 | return -1; |
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94 | |
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95 | strncpy(c->name, name, ROAR_BUFFER_NAME-1); |
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96 | |
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97 | c->name[ROAR_BUFFER_NAME-1] = 0; |
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98 | |
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99 | return 0; |
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100 | } |
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101 | |
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102 | int samples_add_data (int id, void * data, size_t len) { |
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103 | struct roar_buffer * new; |
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104 | struct roar_sample * c = g_samples[id]; |
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105 | int save_err; |
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106 | |
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107 | if ( c == NULL ) |
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108 | return -1; |
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109 | |
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110 | if ( roar_buffer_new(&new, len) == -1 ) |
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111 | return -1; |
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112 | |
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113 | if ( c->data == NULL ) { |
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114 | c->data = new; |
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115 | } else { |
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116 | if ( roar_buffer_moveinto(c->data, &new) == -1 ) { |
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117 | save_err = roar_error; |
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118 | roar_buffer_free(new); |
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119 | roar_err_set(save_err); |
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120 | return -1; |
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121 | } |
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122 | } |
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123 | |
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124 | return 0; |
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125 | } |
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126 | |
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127 | //ll |
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