1 | //libroarpulse.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 | * The code (may) include prototypes and comments (and maybe |
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6 | * other code fragements) from libpulse*. They are mostly copyrighted by: |
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7 | * Lennart Poettering <poettering@users.sourceforge.net> and |
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8 | * Pierre Ossman <drzeus@drzeus.cx> |
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9 | * |
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10 | * This file is part of libroarpulse a part of RoarAudio, |
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11 | * a cross-platform sound system for both, home and professional use. |
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12 | * See README for details. |
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13 | * |
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14 | * This file is free software; you can redistribute it and/or modify |
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15 | * it under the terms of the GNU General Public License version 3 |
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16 | * as published by the Free Software Foundation. |
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17 | * |
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18 | * RoarAudio is distributed in the hope that it will be useful, |
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19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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21 | * GNU General Public License for more details. |
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22 | * |
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23 | * You should have received a copy of the GNU General Public License |
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24 | * along with this software; see the file COPYING. If not, write to |
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25 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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26 | * Boston, MA 02110-1301, USA. |
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27 | * |
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28 | * NOTE for everyone want's to change something and send patches: |
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29 | * read README and HACKING! There a addition information on |
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30 | * the license of this document you need to read before you send |
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31 | * any patches. |
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32 | * |
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33 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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34 | * or libpulse*: |
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35 | * The libs libroaresd, libroararts and libroarpulse link this libroar |
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36 | * and are therefore GPL. Because of this it may be illigal to use |
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37 | * them with any software that uses libesd, libartsc or libpulse*. |
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38 | */ |
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39 | |
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40 | #include <libroarpulse/libroarpulse.h> |
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41 | |
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42 | int roar_pa_sspec2auinfo (struct roar_audio_info * info, const pa_sample_spec * ss) { |
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43 | if ( ss == NULL || info == NULL ) |
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44 | return -1; |
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45 | |
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46 | info->rate = ss->rate; |
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47 | info->channels = ss->channels; |
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48 | |
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49 | switch (ss->format) { |
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50 | case PA_SAMPLE_U8: |
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51 | info->bits = 8; |
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52 | info->codec = ROAR_CODEC_PCM_U_LE; |
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53 | break; |
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54 | case PA_SAMPLE_ALAW: |
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55 | info->bits = 8; |
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56 | info->codec = ROAR_CODEC_ALAW; |
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57 | break; |
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58 | case PA_SAMPLE_ULAW: |
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59 | info->bits = 8; |
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60 | info->codec = ROAR_CODEC_MULAW; |
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61 | break; |
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62 | case PA_SAMPLE_S16LE: |
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63 | info->bits = 16; |
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64 | info->codec = ROAR_CODEC_PCM_S_LE; |
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65 | break; |
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66 | case PA_SAMPLE_S16BE: |
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67 | info->bits = 16; |
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68 | info->codec = ROAR_CODEC_PCM_S_BE; |
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69 | break; |
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70 | // invalid and not supported ones follow: |
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71 | case PA_SAMPLE_INVALID: |
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72 | case PA_SAMPLE_MAX: |
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73 | case PA_SAMPLE_FLOAT32LE: |
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74 | case PA_SAMPLE_FLOAT32BE: |
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75 | default: |
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76 | return -1; |
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77 | break; |
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78 | } |
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79 | |
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80 | return 0; |
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81 | } |
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82 | |
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83 | int roar_pa_auinfo2sspec (pa_sample_spec * ss, const struct roar_audio_info * info) { |
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84 | if ( ss == NULL || info == NULL ) |
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85 | return -1; |
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86 | |
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87 | ss->rate = info->rate; |
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88 | ss->channels = info->channels; |
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89 | |
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90 | switch (info->codec) { |
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91 | case ROAR_CODEC_ALAW: |
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92 | ss->format = PA_SAMPLE_ALAW; |
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93 | break; |
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94 | case ROAR_CODEC_MULAW: |
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95 | ss->format = PA_SAMPLE_ULAW; |
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96 | break; |
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97 | case ROAR_CODEC_PCM_S_LE: |
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98 | if ( info->bits != 16 ) |
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99 | return -1; |
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100 | ss->format = PA_SAMPLE_S16LE; |
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101 | break; |
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102 | case ROAR_CODEC_PCM_S_BE: |
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103 | if ( info->bits != 16 ) |
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104 | return -1; |
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105 | ss->format = PA_SAMPLE_S16BE; |
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106 | break; |
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107 | case ROAR_CODEC_PCM_U_LE: |
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108 | case ROAR_CODEC_PCM_U_BE: |
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109 | case ROAR_CODEC_PCM_U_PDP: |
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110 | if ( info->bits != 8 ) |
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111 | return -1; |
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112 | ss->format = PA_SAMPLE_U8; |
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113 | break; |
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114 | default: |
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115 | return -1; |
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116 | break; |
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117 | } |
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118 | |
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119 | return 0; |
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120 | } |
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121 | |
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122 | const char * roar_pa_find_server (const char * server) { |
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123 | struct roar_x11_connection * x11con; |
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124 | |
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125 | if ( server == NULL ) |
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126 | server = getenv("PULSE_SERVER"); |
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127 | |
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128 | if ( server == NULL ) { |
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129 | if ( (x11con = roar_x11_connect(NULL)) != NULL ) { |
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130 | server = roar_x11_get_prop(x11con, "PULSE_SERVER"); |
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131 | roar_x11_disconnect(x11con); |
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132 | } |
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133 | } |
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134 | |
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135 | return server; |
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136 | } |
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137 | |
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138 | //ll |
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