1 | //simple.c: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2010 |
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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 | /** Create a new connection to the server */ |
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43 | pa_simple* pa_simple_new( |
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44 | const char *server, /**< Server name, or NULL for default */ |
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45 | const char *name, /**< A descriptive name for this client (application name, ...) */ |
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46 | pa_stream_direction_t dir, /**< Open this stream for recording or playback? */ |
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47 | const char *dev, /**< Sink (resp. source) name, or NULL for default */ |
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48 | const char *stream_name, /**< A descriptive name for this client (application name, song title, ...) */ |
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49 | const pa_sample_spec *ss, /**< The sample type to use */ |
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50 | const pa_channel_map *map, /**< The channel map to use, or NULL for default */ |
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51 | const pa_buffer_attr *attr, /**< Buffering attributes, or NULL for default */ |
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52 | int *error /**< A pointer where the error code is stored when the routine returns NULL. It is OK to pass NULL here. */ |
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53 | ) { |
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54 | struct roarpulse_simple * s = roar_mm_malloc(sizeof(struct roarpulse_simple)); |
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55 | struct roar_audio_info info; |
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56 | int roar_dir; |
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57 | struct roar_meta meta; |
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58 | |
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59 | if ( !s ) |
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60 | return NULL; |
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61 | |
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62 | if ( dir == PA_STREAM_PLAYBACK ) { |
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63 | roar_dir = ROAR_DIR_PLAY; |
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64 | } else if ( dir == PA_STREAM_RECORD ) { |
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65 | roar_dir = ROAR_DIR_RECORD; |
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66 | } else { |
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67 | roar_mm_free(s); |
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68 | return NULL; |
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69 | } |
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70 | |
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71 | if ( roar_pa_sspec2auinfo(&info, ss) == -1 ) { |
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72 | roar_mm_free(s); |
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73 | return NULL; |
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74 | } |
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75 | |
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76 | server = roar_pa_find_server((char*)server); |
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77 | |
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78 | if ( roar_simple_connect(&(s->con), (char*)server, (char*)name) == -1 ) { |
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79 | roar_mm_free(s); |
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80 | return NULL; |
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81 | } |
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82 | |
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83 | if ( roar_vio_simple_new_stream_obj(&(s->vio), &(s->con), &(s->stream), |
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84 | info.rate, info.channels, |
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85 | info.bits, info.codec, roar_dir) == -1 ) { |
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86 | roar_disconnect(&(s->con)); |
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87 | roar_mm_free(s); |
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88 | return NULL; |
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89 | } |
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90 | |
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91 | if ( stream_name && stream_name[0] != 0 ) { |
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92 | meta.value = (char*)stream_name; |
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93 | meta.key[0] = 0; |
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94 | meta.type = ROAR_META_TYPE_DESCRIPTION; |
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95 | |
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96 | roar_stream_meta_set(&(s->con), &(s->stream), ROAR_META_MODE_SET, &meta); |
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97 | } |
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98 | |
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99 | return (pa_simple*) s; |
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100 | } |
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101 | |
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102 | /** Close and free the connection to the server. The connection objects becomes invalid when this is called. */ |
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103 | void pa_simple_free(pa_simple *s) { |
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104 | struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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105 | if ( !s ) |
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106 | return; |
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107 | |
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108 | roar_vio_close(&(ss->vio)); |
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109 | roar_disconnect(&(ss->con)); |
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110 | |
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111 | roar_mm_free(s); |
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112 | } |
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113 | |
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114 | /** Write some data to the server */ |
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115 | int pa_simple_write(pa_simple *s, const void*data, size_t length, int *error) { |
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116 | struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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117 | if ( !s ) |
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118 | return -1; |
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119 | |
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120 | return roar_vio_write(&(ss->vio), (char*) data, length); |
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121 | } |
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122 | |
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123 | /** Wait until all data already written is played by the daemon */ |
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124 | int pa_simple_drain(pa_simple *s, int *error) { |
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125 | // struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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126 | if ( !s ) |
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127 | return -1; |
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128 | |
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129 | pa_simple_flush(s, NULL); |
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130 | |
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131 | return -1; |
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132 | } |
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133 | |
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134 | /** Read some data from the server */ |
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135 | int pa_simple_read(pa_simple *s, void*data, size_t length, int *error) { |
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136 | struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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137 | if ( !s ) |
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138 | return -1; |
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139 | |
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140 | return roar_vio_read(&(ss->vio), data, length); |
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141 | } |
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142 | |
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143 | /** Return the playback latency. \since 0.5 */ |
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144 | pa_usec_t pa_simple_get_latency(pa_simple *s, int *error) { |
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145 | struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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146 | if ( !s ) |
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147 | return -1; |
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148 | |
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149 | return -1; |
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150 | } |
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151 | |
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152 | /** Flush the playback buffer. \since 0.5 */ |
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153 | int pa_simple_flush(pa_simple *s, int *error) { |
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154 | struct roarpulse_simple * ss = (struct roarpulse_simple*) s; |
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155 | if ( !s ) |
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156 | return -1; |
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157 | |
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158 | #ifdef ROAR_FDATASYNC |
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159 | return roar_vio_sync(&(ss->vio)); |
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160 | #else |
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161 | return 0; |
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162 | #endif |
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163 | } |
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164 | |
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165 | //ll |
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