1 | //codecfilter_sndfile.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 | #ifdef ROAR_HAVE_LIBSNDFILE |
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28 | |
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29 | int cf_sndfile_open(CODECFILTER_USERDATA_T * inst, int codec, |
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30 | struct roar_stream_server * info, |
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31 | struct roar_codecfilter * filter) { |
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32 | struct codecfilter_sndfile_inst * obj; |
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33 | |
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34 | if ( (obj = (struct codecfilter_sndfile_inst *) malloc(sizeof(struct codecfilter_sndfile_inst))) == NULL ) |
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35 | return -1; |
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36 | |
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37 | memset(obj, 0, sizeof(struct codecfilter_sndfile_inst)); |
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38 | |
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39 | obj->stream = info; |
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40 | |
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41 | ROAR_STREAM(info)->info.codec = ROAR_CODEC_DEFAULT; |
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42 | |
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43 | *inst = (CODECFILTER_USERDATA_T) obj; |
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44 | |
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45 | /* |
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46 | s->info.bits = 16; |
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47 | s->info.codec = ROAR_CODEC_DEFAULT; |
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48 | */ |
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49 | |
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50 | ROAR_WARN("cf_sndfile_open(*) = 0"); |
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51 | |
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52 | return 0; |
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53 | } |
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54 | |
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55 | int cf_sndfile_close(CODECFILTER_USERDATA_T inst) { |
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56 | struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst; |
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57 | |
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58 | if ( obj->state != NULL ) |
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59 | sf_close(obj->state); |
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60 | |
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61 | free(obj); |
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62 | |
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63 | return 0; |
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64 | } |
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65 | |
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66 | int cf_sndfile_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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67 | struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst; |
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68 | struct roar_stream * s = ROAR_STREAM(obj->stream); |
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69 | int ret; |
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70 | |
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71 | if ( obj->opened ) { |
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72 | len /= obj->bytes; |
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73 | |
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74 | if ( obj->bytes == 2 ) { |
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75 | if ( (ret = sf_read_short(obj->state, (short*)buf, len)) == -1 ) |
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76 | return -1; |
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77 | } else if ( obj->bytes == 4 ) { |
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78 | if ( (ret = sf_read_int(obj->state, (int*)buf, len)) == -1 ) |
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79 | return -1; |
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80 | } else { |
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81 | errno = ENOSYS; |
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82 | return -1; |
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83 | } |
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84 | |
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85 | return ret * obj->bytes; |
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86 | } else { |
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87 | if ( (obj->state = sf_open_fd(s->fh, SFM_READ, &(obj->info), 0)) == NULL ) { |
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88 | ROAR_ERR("cf_sndfile_read(*): can not sf_open_fd(*)!"); |
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89 | return -1; |
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90 | } |
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91 | ROAR_WARN("cf_sndfile_read(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels); |
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92 | |
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93 | s->info.codec = ROAR_CODEC_DEFAULT; |
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94 | s->info.rate = obj->info.samplerate; |
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95 | s->info.channels = obj->info.channels; |
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96 | |
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97 | obj->bytes = 2; |
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98 | if ( (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_24 || |
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99 | (obj->info.format & SF_FORMAT_SUBMASK) == SF_FORMAT_PCM_32 ) { |
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100 | obj->bytes = 4; |
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101 | } |
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102 | |
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103 | s->info.bits = obj->bytes * 8; |
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104 | |
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105 | obj->opened = 1; |
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106 | errno = EAGAIN; |
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107 | } |
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108 | |
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109 | return -1; |
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110 | } |
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111 | |
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112 | int cf_sndfile_write(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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113 | struct codecfilter_sndfile_inst * obj = (struct codecfilter_sndfile_inst *) inst; |
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114 | struct roar_stream * s = ROAR_STREAM(obj->stream); |
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115 | int ret; |
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116 | |
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117 | ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened); |
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118 | |
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119 | if ( !obj->opened ) { |
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120 | if ( s->fh == -1 ) { |
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121 | errno = EAGAIN; |
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122 | return -1; |
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123 | } |
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124 | |
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125 | switch (s->info.codec) { |
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126 | case ROAR_CODEC_PCM_S_LE: |
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127 | case ROAR_CODEC_PCM_S_BE: |
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128 | switch (s->info.bits) { |
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129 | case 8: |
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130 | obj->info.format = SF_FORMAT_PCM_S8; |
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131 | break; |
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132 | case 16: |
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133 | obj->info.format = SF_FORMAT_PCM_16; |
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134 | break; |
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135 | case 24: |
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136 | obj->info.format = SF_FORMAT_PCM_24; |
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137 | break; |
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138 | case 32: |
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139 | obj->info.format = SF_FORMAT_PCM_32; |
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140 | break; |
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141 | } |
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142 | //obj->info.format |= s->info.codec == ROAR_CODEC_PCM_S_LE ? SF_ENDIAN_LITTLE : SF_ENDIAN_BIG; |
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143 | obj->info.format |= SF_ENDIAN_FILE; |
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144 | obj->info.format |= SF_FORMAT_WAV; |
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145 | break; |
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146 | default: |
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147 | ROAR_ERR("cf_sndfile_write(*): codec(%s) not supported!", roar_codec2str(s->info.bits)); |
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148 | return -1; |
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149 | break; |
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150 | } |
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151 | |
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152 | obj->info.samplerate = s->info.rate; |
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153 | obj->info.channels = s->info.channels; |
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154 | obj->info.sections = 1; |
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155 | obj->info.frames = 182592; // 2147483647; |
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156 | obj->info.seekable = 1; |
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157 | obj->info.format = 0x00010002; |
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158 | |
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159 | if ( (obj->state = sf_open_fd(s->fh, SFM_WRITE, &(obj->info), 0)) == NULL ) { |
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160 | ROAR_ERR("cf_sndfile_write(*): can not sf_open_fd(*)!"); |
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161 | ROAR_ERR("cf_sndfile_write(*): s->fh=%i", s->fh); |
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162 | ROAR_ERR("cf_sndfile_write(*): obj->info={.format=0x%.8x, .samplerate=%i, .channels=%i}", obj->info.format, obj->info.samplerate, obj->info.channels); |
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163 | return -1; |
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164 | } |
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165 | |
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166 | obj->opened = 1; |
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167 | // errno = EAGAIN; |
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168 | } |
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169 | |
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170 | ROAR_WARN("cf_sndfile_write(*): obj->opened=%i", obj->opened); |
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171 | ret = sf_write_raw(obj->state, (void*) buf, len); |
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172 | ROAR_WARN("cf_sndfile_write(inst=%p, buf=%p, len=%i) = %i", inst, buf, len, ret); |
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173 | return ret; |
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174 | } |
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175 | |
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176 | #endif |
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177 | |
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178 | //ll |
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