1 | |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2012 |
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5 | * |
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6 | * This file is part of libroar 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 | * libroar 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 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #include "libroar.h" |
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37 | |
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38 | #if 0 |
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39 | |
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40 | static int roar_vio_magic_close (struct roar_vio_calls * vio); |
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41 | |
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42 | static ssize_t roar_vio_magic_read (struct roar_vio_calls * vio, void *buf, size_t count) { |
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43 | struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst); |
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44 | struct roar_buffer * inp; |
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45 | void * calls; |
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46 | size_t len; |
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47 | |
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48 | if (self == NULL) |
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49 | return -1; |
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50 | |
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51 | if ( roar_stack_get_cur(&(self->vios), &calls) == -1 ) |
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52 | return -1; |
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53 | |
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54 | inp = self->inp; |
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55 | |
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56 | if ( roar_buffer_get_len(inp, &len) == -1 ) |
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57 | return -1; |
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58 | |
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59 | if ( len ) { |
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60 | len = len > count ? count : len; |
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61 | if ( roar_buffer_shift_out(&inp, buf, &len) == -1 ) |
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62 | return -1; |
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63 | } |
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64 | |
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65 | count -= len; |
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66 | buf += len; |
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67 | |
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68 | if ( count ) { |
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69 | if ( (count = roar_vio_read((struct roar_vio_calls*) calls, buf, count)) == -1 ) |
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70 | return len; |
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71 | |
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72 | return len+count; |
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73 | } |
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74 | |
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75 | return len; |
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76 | } |
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77 | |
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78 | static ssize_t roar_vio_magic_write (struct roar_vio_calls * vio, void *buf, size_t count) { |
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79 | struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst); |
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80 | void * calls; |
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81 | |
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82 | if (self == NULL) |
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83 | return -1; |
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84 | |
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85 | if ( roar_stack_get_cur(&(self->vios), &calls) == -1 ) |
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86 | return -1; |
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87 | |
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88 | return roar_vio_write((struct roar_vio_calls*)calls, buf, count); |
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89 | } |
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90 | |
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91 | static roar_off_t roar_vio_magic_lseek (struct roar_vio_calls * vio, roar_off_t offset, int whence) { |
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92 | struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst); |
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93 | void * calls; |
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94 | |
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95 | if (self == NULL) |
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96 | return -1; |
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97 | |
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98 | if ( roar_stack_get_cur(&(self->vios), &calls) == -1 ) |
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99 | return -1; |
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100 | |
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101 | return roar_vio_lseek((struct roar_vio_calls*)calls, offset, whence); |
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102 | } |
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103 | |
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104 | static int roar_vio_magic_sync (struct roar_vio_calls * vio) { |
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105 | struct roar_vio_magic * self = (struct roar_vio_magic *)(vio->inst); |
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106 | void * calls; |
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107 | |
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108 | if (self == NULL) |
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109 | return -1; |
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110 | |
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111 | if ( roar_stack_get_cur(&(self->vios), &calls) == -1 ) |
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112 | return -1; |
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113 | |
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114 | return roar_vio_sync((struct roar_vio_calls*)calls); |
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115 | } |
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116 | |
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117 | int roar_vio_open_magic (struct roar_vio_calls * calls, struct roar_vio_calls * dst, int * codec); |
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118 | |
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119 | #endif |
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120 | |
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121 | //ll |
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