[41] | 1 | //sample.c: |
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| 2 | |
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[668] | 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008 |
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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, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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[41] | 25 | #include "roard.h" |
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| 26 | |
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[44] | 27 | int samples_init (void) { |
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| 28 | int i; |
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| 29 | |
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| 30 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) |
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| 31 | g_samples[i] = NULL; |
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| 32 | |
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| 33 | return 0; |
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| 34 | } |
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| 35 | |
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| 36 | |
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[45] | 37 | int samples_free (void) { |
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| 38 | int i; |
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| 39 | |
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| 40 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) |
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| 41 | if ( g_samples[i] != NULL ) |
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| 42 | samples_delete(i); |
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| 43 | |
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| 44 | return 0; |
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| 45 | } |
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| 46 | |
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| 47 | int samples_new (void) { |
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| 48 | struct roar_sample * c = malloc(sizeof(struct roar_sample)); |
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| 49 | int i; |
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| 50 | |
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| 51 | if ( c == NULL ) |
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| 52 | return -1; |
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| 53 | |
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| 54 | c->name[0] = 0; |
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| 55 | c->data = NULL; |
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| 56 | |
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| 57 | for (i = 0; i < ROAR_SAMPLES_MAX; i++) { |
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| 58 | if ( g_samples[i] == NULL ) { |
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| 59 | g_samples[i] = c; |
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| 60 | return i; |
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| 61 | } |
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| 62 | } |
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| 63 | |
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| 64 | free(c); |
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| 65 | |
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| 66 | return -1; |
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| 67 | } |
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| 68 | |
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| 69 | int samples_delete (int id) { |
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| 70 | struct roar_sample * c = g_samples[id]; |
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| 71 | |
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| 72 | if ( c == NULL ) |
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| 73 | return -1; |
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| 74 | |
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| 75 | if (c->data != NULL ) |
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| 76 | roar_buffer_free(c->data); |
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| 77 | |
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| 78 | free(c); |
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| 79 | |
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| 80 | g_samples[id] = NULL; |
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| 81 | |
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| 82 | return 0; |
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| 83 | } |
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| 84 | |
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| 85 | int samples_set_name (int id, char * name) { |
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| 86 | struct roar_sample * c = g_samples[id]; |
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| 87 | |
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| 88 | if ( c == NULL ) |
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| 89 | return -1; |
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| 90 | |
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| 91 | strncpy(c->name, name, ROAR_BUFFER_NAME-1); |
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| 92 | |
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| 93 | c->name[ROAR_BUFFER_NAME-1] = 0; |
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| 94 | |
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| 95 | return 0; |
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| 96 | } |
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[44] | 97 | |
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[50] | 98 | int samples_add_data (int id, void * data, size_t len) { |
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| 99 | struct roar_buffer * new; |
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| 100 | struct roar_sample * c = g_samples[id]; |
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| 101 | |
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| 102 | if ( c == NULL ) |
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| 103 | return -1; |
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| 104 | |
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| 105 | if ( roar_buffer_new(&new, len) == -1 ) |
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| 106 | return -1; |
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| 107 | |
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| 108 | if ( c->data == NULL ) { |
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| 109 | c->data = new; |
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| 110 | } else { |
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| 111 | roar_buffer_add(c->data, new); |
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| 112 | } |
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| 113 | |
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| 114 | return 0; |
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| 115 | } |
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| 116 | |
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[41] | 117 | //ll |
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