1 | //codecfilter_wave.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_LIBFISHSOUND |
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28 | |
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29 | int cf_fishsound_decoded_float (FishSound * fsound, float ** pcm, long frames, void * user_data) { |
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30 | struct codecfilter_fishsound_inst * self = (struct codecfilter_fishsound_inst *) user_data; |
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31 | struct roar_stream * stream = ROAR_STREAM(self->stream); |
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32 | struct roar_buffer * buf; |
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33 | int i; |
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34 | double s; |
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35 | union { |
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36 | void * v; |
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37 | char * c; |
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38 | int16_t * i16; |
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39 | int32_t * i32; |
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40 | } data; |
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41 | |
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42 | if (!self->opened) { |
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43 | fish_sound_command(fsound, FISH_SOUND_GET_INFO, &(self->fsinfo), |
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44 | sizeof(FishSoundInfo)); |
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45 | } |
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46 | |
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47 | if ( roar_buffer_new(&buf, frames*stream->info.bits*stream->info.channels) == -1 ) |
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48 | return -1; |
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49 | |
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50 | if ( roar_buffer_get_data(buf, &data.v) == -1 ) |
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51 | return -1; |
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52 | |
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53 | frames *= self->fsinfo.channels; |
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54 | |
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55 | switch (stream->info.bits) { |
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56 | case 8: |
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57 | for (i = 0; i < frames; i++) { |
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58 | s = ((float*)pcm)[i]; |
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59 | s *= 127; |
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60 | data.c[i] = s; |
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61 | } |
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62 | break; |
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63 | case 16: |
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64 | for (i = 0; i < frames; i++) { |
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65 | s = ((float*)pcm)[i]; |
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66 | s *= 32767; |
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67 | data.i16[i] = s; |
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68 | } |
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69 | break; |
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70 | case 32: |
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71 | for (i = 0; i < frames; i++) { |
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72 | s = ((float*)pcm)[i]; |
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73 | s *= 2147483647; |
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74 | data.i32[i] = s; |
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75 | } |
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76 | break; |
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77 | default: |
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78 | return -1; |
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79 | } |
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80 | |
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81 | if ( self->buffer == NULL ) { |
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82 | self->buffer = buf; |
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83 | } else { |
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84 | roar_buffer_add(self->buffer, buf); |
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85 | } |
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86 | |
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87 | return -1; |
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88 | } |
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89 | |
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90 | int cf_fishsound_read_packet (OGGZ * oggz, ogg_packet * op, long serialno, void * user_data) { |
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91 | FishSound * fsound = (FishSound *)user_data; |
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92 | |
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93 | fish_sound_prepare_truncation(fsound, op->granulepos, op->e_o_s); |
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94 | fish_sound_decode(fsound, op->packet, op->bytes); |
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95 | |
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96 | return 0; |
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97 | } |
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98 | |
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99 | int cf_fishsound_open(CODECFILTER_USERDATA_T * inst, int codec, |
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100 | struct roar_stream_server * info, |
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101 | struct roar_codecfilter * filter) { |
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102 | struct codecfilter_fishsound_inst * self = malloc(sizeof(struct codecfilter_fishsound_inst)); |
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103 | struct roar_stream * s = ROAR_STREAM(info); |
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104 | |
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105 | if ( !self ) |
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106 | return -1; |
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107 | |
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108 | if ( s->dir != ROAR_DIR_PLAY ) { |
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109 | free(self); |
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110 | return -1; |
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111 | } |
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112 | |
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113 | self->stream = info; |
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114 | self->opened = 0; |
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115 | self->buffer = NULL; |
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116 | self->fsound = fish_sound_new(FISH_SOUND_DECODE, &(self->fsinfo)); |
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117 | |
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118 | fish_sound_set_interleave(self->fsound, 1); |
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119 | fish_sound_set_decoded_float_ilv(self->fsound, cf_fishsound_decoded_float, (void*)self); |
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120 | |
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121 | self->oggz = oggz_new(OGGZ_READ); |
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122 | |
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123 | oggz_set_read_callback(self->oggz, -1, cf_fishsound_read_packet, self->fsound); |
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124 | |
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125 | *inst = (CODECFILTER_USERDATA_T) self; |
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126 | |
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127 | return 0; |
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128 | } |
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129 | |
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130 | int cf_fishsound_close(CODECFILTER_USERDATA_T inst) { |
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131 | struct codecfilter_fishsound_inst * self = (struct codecfilter_fishsound_inst *) inst; |
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132 | |
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133 | if ( inst == NULL ) |
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134 | return -1; |
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135 | |
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136 | oggz_close(self->oggz); |
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137 | fish_sound_delete(self->fsound); |
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138 | |
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139 | if ( self->buffer != NULL ) |
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140 | roar_buffer_free(self->buffer); |
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141 | |
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142 | free(inst); |
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143 | return 0; |
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144 | } |
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145 | |
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146 | int cf_fishsound_read(CODECFILTER_USERDATA_T inst, char * buf, int len) { |
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147 | struct codecfilter_fishsound_inst * self = (struct codecfilter_fishsound_inst *) inst; |
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148 | struct roar_stream * s = ROAR_STREAM(self->stream); |
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149 | long inlen; |
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150 | |
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151 | /* |
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152 | if ( self->opened ) { |
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153 | // return stream_vio_s_read(self->stream, buf, len); |
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154 | } else { |
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155 | /-* |
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156 | if (stream_vio_s_read(self->stream, tbuf, 44) != 44) { |
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157 | return -1; |
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158 | } |
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159 | *ä/ |
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160 | |
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161 | self->opened = 1; |
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162 | |
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163 | errno = EAGAIN; |
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164 | return -1; |
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165 | } |
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166 | */ |
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167 | |
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168 | if ( (inlen = stream_vio_s_read(self->stream, buf, len)) == -1 ) |
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169 | return -1; |
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170 | |
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171 | oggz_read_input(self->oggz, (unsigned char *)buf, inlen); |
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172 | |
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173 | if ( !self->opened ) { |
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174 | s->info.channels = self->fsinfo.channels; |
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175 | s->info.rate = self->fsinfo.samplerate; |
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176 | s->info.bits = g_sa->bits; |
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177 | s->info.codec = ROAR_CODEC_NATIVE; |
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178 | self->opened = 1; |
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179 | errno = EAGAIN; |
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180 | return -1; |
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181 | } |
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182 | |
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183 | return -1; |
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184 | } |
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185 | |
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186 | #endif |
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187 | |
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188 | //ll |
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