1 | //codecfilter.c: |
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2 | |
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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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25 | #include "roard.h" |
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26 | |
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27 | struct roar_codecfilter g_codecfilter[] = { |
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28 | {-1, "null", "null codec filter", NULL, ROAR_CODECFILTER_NONE, NULL, NULL, NULL, NULL, NULL, NULL}, |
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29 | |
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30 | #ifdef ROAR_HAVE_LIBSNDFILE |
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31 | {ROAR_CODEC_RIFF_WAVE, "sndfile", "libsndfile codec filter", NULL, ROAR_CODECFILTER_READ, |
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32 | cf_sndfile_open, cf_sndfile_close, NULL, NULL, cf_sndfile_read, NULL}, |
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33 | #else |
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34 | {ROAR_CODEC_RIFF_WAVE, "RIFF/WAVE", "RIFF/WAVE", NULL, ROAR_CODECFILTER_READ, |
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35 | cf_wave_open, cf_wave_close, NULL, NULL, cf_wave_read, NULL}, |
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36 | #endif |
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37 | |
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38 | {ROAR_CODEC_ALAW, "alaw", "A-Law", NULL, ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE, |
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39 | cf_alaw_open, cf_alaw_close, NULL, cf_alaw_write, cf_alaw_read, NULL}, |
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40 | |
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41 | {ROAR_CODEC_MULAW, "mulaw", "mu-Law", NULL, ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE, |
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42 | cf_mulaw_open, cf_mulaw_close, NULL, cf_mulaw_write, cf_mulaw_read, NULL}, |
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43 | |
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44 | #ifdef ROAR_HAVE_BIN_OGG123 |
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45 | {ROAR_CODEC_OGG_GENERAL, "cmd", "ogg123", |
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46 | ROAR_HAVE_BIN_OGG123 " -q -d raw -f - -", ROAR_CODECFILTER_READ, |
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47 | cf_cmd_open, NULL, NULL, NULL, NULL, NULL}, |
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48 | #endif |
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49 | |
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50 | #ifdef ROAR_HAVE_LIBVORBISFILE |
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51 | {ROAR_CODEC_OGG_VORBIS, "oggvorbis", "Ogg Vorbis decoder", NULL, |
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52 | #ifdef ROAR_HAVE_LIBVORBISENC |
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53 | ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE, |
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54 | #else |
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55 | ROAR_CODECFILTER_READ, |
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56 | #endif |
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57 | cf_vorbis_open, cf_vorbis_close, NULL, cf_vorbis_write, cf_vorbis_read, NULL}, |
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58 | #endif |
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59 | |
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60 | #ifdef ROAR_HAVE_BIN_TIMIDITY |
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61 | {ROAR_CODEC_MIDI_FILE, "MIDIFILE", "timidity MIDI synth", |
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62 | ROAR_HAVE_BIN_TIMIDITY " -Or1sl -s %R -o - -", ROAR_CODECFILTER_READ, |
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63 | cf_cmd_open, NULL, NULL, NULL, NULL, NULL}, |
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64 | #endif |
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65 | |
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66 | #ifdef ROAR_HAVE_LIBCELT |
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67 | {ROAR_CODEC_ROAR_CELT, "RoarCELT", "RoarAudio CELT", NULL, ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE, |
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68 | cf_celt_open, cf_celt_close, NULL, cf_celt_write, cf_celt_read, NULL}, |
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69 | #endif |
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70 | |
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71 | #ifdef ROAR_HAVE_LIBSPEEX |
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72 | {ROAR_CODEC_ROAR_SPEEX, "RoarSpeex", "RoarAudio Speex", NULL, ROAR_CODECFILTER_READ|ROAR_CODECFILTER_WRITE, |
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73 | cf_speex_open, cf_speex_close, NULL, cf_speex_write, cf_speex_read, NULL}, |
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74 | #endif |
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75 | |
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76 | #ifdef ROAR_HAVE_BIN_FLAC |
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77 | {ROAR_CODEC_FLAC, "cmd", "flac", |
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78 | #if BYTE_ORDER == BIG_ENDIAN |
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79 | ROAR_HAVE_BIN_FLAC " --silent --force-raw-format --sign=signed --endian=big -d - -o -", |
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80 | #elif BYTE_ORDER == LITTLE_ENDIAN |
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81 | ROAR_HAVE_BIN_FLAC " --silent --force-raw-format --sign=signed --endian=little -d - -o -", |
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82 | #else |
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83 | "false", |
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84 | #endif |
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85 | ROAR_CODECFILTER_READ, |
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86 | cf_cmd_open, NULL, NULL, NULL, NULL, NULL}, |
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87 | #endif |
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88 | |
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89 | {-1, NULL, NULL, NULL, ROAR_CODECFILTER_NONE, NULL, NULL, NULL, NULL, NULL, NULL} // end of list |
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90 | }; |
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91 | |
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92 | void print_codecfilterlist (void) { |
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93 | int i; |
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94 | int flags; |
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95 | char mode[5]; |
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96 | |
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97 | printf(" Codec Filtername Mode - Description\n"); |
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98 | printf("------------------------------------------------------\n"); |
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99 | |
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100 | for (i = 0; g_codecfilter[i].name != NULL; i++) { |
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101 | flags = g_codecfilter[i].flags; |
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102 | |
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103 | if ( flags == ROAR_CODECFILTER_NONE ) { |
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104 | strcpy(mode, "none"); |
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105 | } else { |
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106 | strcpy(mode, " "); |
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107 | if ( flags & ROAR_CODECFILTER_READ ) |
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108 | mode[0] = 'r'; |
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109 | if ( flags & ROAR_CODECFILTER_WRITE ) |
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110 | mode[1] = 'w'; |
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111 | } |
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112 | |
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113 | printf(" %-12s %-12s %-4s - %s\n", |
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114 | roar_codec2str(g_codecfilter[i].codec), |
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115 | g_codecfilter[i].name, |
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116 | mode, |
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117 | g_codecfilter[i].desc |
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118 | ); |
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119 | } |
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120 | } |
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121 | |
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122 | int codecfilter_open (CODECFILTER_USERDATA_T * inst, |
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123 | int * codecfilter_id, char * codecfilter /* NOTE: this is not part of struct roar_codecfilter's def! */, |
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124 | int codec, struct roar_stream_server * info) { |
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125 | int i; |
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126 | struct roar_codecfilter * filter = NULL; |
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127 | |
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128 | *codecfilter_id = -1; |
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129 | |
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130 | ROAR_DBG("codecfilter_open(*): codecfilter='%s', info->id=%i", codecfilter, ROAR_STREAM(info)->id); |
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131 | |
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132 | for (i = 0; g_codecfilter[i].name != NULL; i++) { |
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133 | if ( g_codecfilter[i].codec == codec ) { |
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134 | if ( !codecfilter || strcmp(codecfilter, g_codecfilter[i].name) == 0 ) { |
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135 | *codecfilter_id = i; |
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136 | filter = &g_codecfilter[i]; |
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137 | break; |
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138 | } |
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139 | } |
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140 | } |
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141 | |
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142 | info->codecfilter = *codecfilter_id; |
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143 | |
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144 | if (*codecfilter_id != -1) { |
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145 | if ( filter->open ) { |
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146 | if ( (i = filter->open(inst, codec, info, filter)) == -1 ) { |
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147 | info->codecfilter = *codecfilter_id = -1; |
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148 | } |
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149 | return i; |
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150 | } |
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151 | return 0; |
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152 | } |
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153 | |
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154 | return 0; // we found no filter -> ok |
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155 | } |
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156 | |
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157 | int codecfilter_close(CODECFILTER_USERDATA_T inst, int codecfilter) { |
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158 | ROAR_DBG("codecfilter_close(inst=%p, codecfilter=%i) = ?", inst, codecfilter); |
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159 | |
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160 | if ( codecfilter == -1 ) |
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161 | return -1; |
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162 | |
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163 | if ( g_codecfilter[codecfilter].close ) |
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164 | return g_codecfilter[codecfilter].close(inst); |
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165 | |
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166 | return 0; |
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167 | } |
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168 | |
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169 | int codecfilter_pause(CODECFILTER_USERDATA_T inst, int codecfilter, int newstate) { |
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170 | if ( codecfilter == -1 ) |
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171 | return -1; |
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172 | |
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173 | if ( g_codecfilter[codecfilter].pause ) |
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174 | return g_codecfilter[codecfilter].pause(inst, newstate); |
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175 | |
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176 | return 0; |
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177 | } |
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178 | |
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179 | int codecfilter_write(CODECFILTER_USERDATA_T inst, int codecfilter, char * buf, int len) { |
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180 | if ( codecfilter == -1 ) |
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181 | return -1; |
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182 | |
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183 | if ( g_codecfilter[codecfilter].write ) |
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184 | return g_codecfilter[codecfilter].write(inst, buf, len); |
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185 | |
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186 | return 0; |
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187 | } |
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188 | |
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189 | int codecfilter_read (CODECFILTER_USERDATA_T inst, int codecfilter, char * buf, int len) { |
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190 | if ( codecfilter == -1 ) |
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191 | return -1; |
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192 | |
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193 | errno = 0; |
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194 | |
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195 | if ( g_codecfilter[codecfilter].read ) |
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196 | return g_codecfilter[codecfilter].read(inst, buf, len); |
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197 | |
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198 | return 0; |
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199 | } |
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200 | |
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201 | int codecfilter_flush(CODECFILTER_USERDATA_T inst, int codecfilter) { |
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202 | if ( codecfilter == -1 ) |
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203 | return -1; |
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204 | |
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205 | if ( g_codecfilter[codecfilter].flush ) |
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206 | return g_codecfilter[codecfilter].flush(inst); |
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207 | |
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208 | return 0; |
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209 | } |
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210 | |
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211 | //ll |
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