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1 | 85571bc7 | bellard | /*
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2 | 85571bc7 | bellard | * QEMU Mixing engine
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3 | 85571bc7 | bellard | *
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4 | 1d14ffa9 | bellard | * Copyright (c) 2004-2005 Vassili Karpov (malc)
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5 | 85571bc7 | bellard | * Copyright (c) 1998 Fabrice Bellard
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6 | 85571bc7 | bellard | *
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7 | 85571bc7 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 | 85571bc7 | bellard | * of this software and associated documentation files (the "Software"), to deal
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9 | 85571bc7 | bellard | * in the Software without restriction, including without limitation the rights
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10 | 85571bc7 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 | 85571bc7 | bellard | * copies of the Software, and to permit persons to whom the Software is
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12 | 85571bc7 | bellard | * furnished to do so, subject to the following conditions:
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13 | 85571bc7 | bellard | *
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14 | 85571bc7 | bellard | * The above copyright notice and this permission notice shall be included in
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15 | 85571bc7 | bellard | * all copies or substantial portions of the Software.
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16 | 85571bc7 | bellard | *
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17 | 85571bc7 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 | 85571bc7 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 | 85571bc7 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 | 85571bc7 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 | 85571bc7 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 | 85571bc7 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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23 | 85571bc7 | bellard | * THE SOFTWARE.
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24 | 85571bc7 | bellard | */
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25 | 87ecb68b | pbrook | #include "qemu-common.h" |
26 | 87ecb68b | pbrook | #include "audio.h" |
27 | 85571bc7 | bellard | |
28 | 1d14ffa9 | bellard | #define AUDIO_CAP "mixeng" |
29 | 1d14ffa9 | bellard | #include "audio_int.h" |
30 | 1d14ffa9 | bellard | |
31 | 1d14ffa9 | bellard | /* 8 bit */
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32 | 1d14ffa9 | bellard | #define ENDIAN_CONVERSION natural
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33 | 1d14ffa9 | bellard | #define ENDIAN_CONVERT(v) (v)
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34 | 1d14ffa9 | bellard | |
35 | 1d14ffa9 | bellard | /* Signed 8 bit */
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36 | a2885387 | Roger Pau Monne | #define BSIZE 8 |
37 | a2885387 | Roger Pau Monne | #define ITYPE int |
38 | 1d14ffa9 | bellard | #define IN_MIN SCHAR_MIN
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39 | 1d14ffa9 | bellard | #define IN_MAX SCHAR_MAX
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40 | 85571bc7 | bellard | #define SIGNED
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41 | 1d14ffa9 | bellard | #define SHIFT 8 |
42 | 85571bc7 | bellard | #include "mixeng_template.h" |
43 | 85571bc7 | bellard | #undef SIGNED
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44 | 85571bc7 | bellard | #undef IN_MAX
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45 | 85571bc7 | bellard | #undef IN_MIN
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46 | a2885387 | Roger Pau Monne | #undef BSIZE
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47 | a2885387 | Roger Pau Monne | #undef ITYPE
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48 | 1d14ffa9 | bellard | #undef SHIFT
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49 | 85571bc7 | bellard | |
50 | 1d14ffa9 | bellard | /* Unsigned 8 bit */
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51 | a2885387 | Roger Pau Monne | #define BSIZE 8 |
52 | a2885387 | Roger Pau Monne | #define ITYPE uint
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53 | 85571bc7 | bellard | #define IN_MIN 0 |
54 | 85571bc7 | bellard | #define IN_MAX UCHAR_MAX
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55 | 1d14ffa9 | bellard | #define SHIFT 8 |
56 | 85571bc7 | bellard | #include "mixeng_template.h" |
57 | 85571bc7 | bellard | #undef IN_MAX
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58 | 85571bc7 | bellard | #undef IN_MIN
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59 | a2885387 | Roger Pau Monne | #undef BSIZE
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60 | a2885387 | Roger Pau Monne | #undef ITYPE
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61 | 1d14ffa9 | bellard | #undef SHIFT
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62 | 1d14ffa9 | bellard | |
63 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERT
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64 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERSION
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65 | 85571bc7 | bellard | |
66 | 1d14ffa9 | bellard | /* Signed 16 bit */
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67 | a2885387 | Roger Pau Monne | #define BSIZE 16 |
68 | a2885387 | Roger Pau Monne | #define ITYPE int |
69 | 85571bc7 | bellard | #define IN_MIN SHRT_MIN
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70 | 85571bc7 | bellard | #define IN_MAX SHRT_MAX
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71 | 85571bc7 | bellard | #define SIGNED
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72 | 1d14ffa9 | bellard | #define SHIFT 16 |
73 | 1d14ffa9 | bellard | #define ENDIAN_CONVERSION natural
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74 | 1d14ffa9 | bellard | #define ENDIAN_CONVERT(v) (v)
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75 | 85571bc7 | bellard | #include "mixeng_template.h" |
76 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERT
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77 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERSION
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78 | 1d14ffa9 | bellard | #define ENDIAN_CONVERSION swap
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79 | 1d14ffa9 | bellard | #define ENDIAN_CONVERT(v) bswap16 (v)
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80 | 1d14ffa9 | bellard | #include "mixeng_template.h" |
81 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERT
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82 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERSION
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83 | 85571bc7 | bellard | #undef SIGNED
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84 | 85571bc7 | bellard | #undef IN_MAX
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85 | 85571bc7 | bellard | #undef IN_MIN
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86 | a2885387 | Roger Pau Monne | #undef BSIZE
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87 | a2885387 | Roger Pau Monne | #undef ITYPE
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88 | 1d14ffa9 | bellard | #undef SHIFT
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89 | 85571bc7 | bellard | |
90 | f941aa25 | ths | /* Unsigned 16 bit */
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91 | a2885387 | Roger Pau Monne | #define BSIZE 16 |
92 | a2885387 | Roger Pau Monne | #define ITYPE uint
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93 | 85571bc7 | bellard | #define IN_MIN 0 |
94 | 85571bc7 | bellard | #define IN_MAX USHRT_MAX
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95 | 1d14ffa9 | bellard | #define SHIFT 16 |
96 | 1d14ffa9 | bellard | #define ENDIAN_CONVERSION natural
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97 | 1d14ffa9 | bellard | #define ENDIAN_CONVERT(v) (v)
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98 | 1d14ffa9 | bellard | #include "mixeng_template.h" |
99 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERT
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100 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERSION
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101 | 1d14ffa9 | bellard | #define ENDIAN_CONVERSION swap
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102 | 1d14ffa9 | bellard | #define ENDIAN_CONVERT(v) bswap16 (v)
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103 | 85571bc7 | bellard | #include "mixeng_template.h" |
104 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERT
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105 | 1d14ffa9 | bellard | #undef ENDIAN_CONVERSION
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106 | 85571bc7 | bellard | #undef IN_MAX
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107 | 85571bc7 | bellard | #undef IN_MIN
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108 | a2885387 | Roger Pau Monne | #undef BSIZE
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109 | a2885387 | Roger Pau Monne | #undef ITYPE
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110 | 1d14ffa9 | bellard | #undef SHIFT
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111 | 85571bc7 | bellard | |
112 | f941aa25 | ths | /* Signed 32 bit */
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113 | a2885387 | Roger Pau Monne | #define BSIZE 32 |
114 | a2885387 | Roger Pau Monne | #define ITYPE int |
115 | f941aa25 | ths | #define IN_MIN INT32_MIN
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116 | f941aa25 | ths | #define IN_MAX INT32_MAX
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117 | f941aa25 | ths | #define SIGNED
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118 | f941aa25 | ths | #define SHIFT 32 |
119 | f941aa25 | ths | #define ENDIAN_CONVERSION natural
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120 | f941aa25 | ths | #define ENDIAN_CONVERT(v) (v)
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121 | f941aa25 | ths | #include "mixeng_template.h" |
122 | f941aa25 | ths | #undef ENDIAN_CONVERT
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123 | f941aa25 | ths | #undef ENDIAN_CONVERSION
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124 | f941aa25 | ths | #define ENDIAN_CONVERSION swap
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125 | f941aa25 | ths | #define ENDIAN_CONVERT(v) bswap32 (v)
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126 | f941aa25 | ths | #include "mixeng_template.h" |
127 | f941aa25 | ths | #undef ENDIAN_CONVERT
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128 | f941aa25 | ths | #undef ENDIAN_CONVERSION
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129 | f941aa25 | ths | #undef SIGNED
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130 | f941aa25 | ths | #undef IN_MAX
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131 | f941aa25 | ths | #undef IN_MIN
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132 | a2885387 | Roger Pau Monne | #undef BSIZE
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133 | a2885387 | Roger Pau Monne | #undef ITYPE
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134 | f941aa25 | ths | #undef SHIFT
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135 | f941aa25 | ths | |
136 | ad483a51 | malc | /* Unsigned 32 bit */
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137 | a2885387 | Roger Pau Monne | #define BSIZE 32 |
138 | a2885387 | Roger Pau Monne | #define ITYPE uint
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139 | f941aa25 | ths | #define IN_MIN 0 |
140 | f941aa25 | ths | #define IN_MAX UINT32_MAX
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141 | f941aa25 | ths | #define SHIFT 32 |
142 | f941aa25 | ths | #define ENDIAN_CONVERSION natural
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143 | f941aa25 | ths | #define ENDIAN_CONVERT(v) (v)
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144 | f941aa25 | ths | #include "mixeng_template.h" |
145 | f941aa25 | ths | #undef ENDIAN_CONVERT
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146 | f941aa25 | ths | #undef ENDIAN_CONVERSION
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147 | f941aa25 | ths | #define ENDIAN_CONVERSION swap
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148 | f941aa25 | ths | #define ENDIAN_CONVERT(v) bswap32 (v)
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149 | f941aa25 | ths | #include "mixeng_template.h" |
150 | f941aa25 | ths | #undef ENDIAN_CONVERT
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151 | f941aa25 | ths | #undef ENDIAN_CONVERSION
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152 | f941aa25 | ths | #undef IN_MAX
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153 | f941aa25 | ths | #undef IN_MIN
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154 | a2885387 | Roger Pau Monne | #undef BSIZE
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155 | a2885387 | Roger Pau Monne | #undef ITYPE
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156 | f941aa25 | ths | #undef SHIFT
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157 | f941aa25 | ths | |
158 | f941aa25 | ths | t_sample *mixeng_conv[2][2][2][3] = { |
159 | 85571bc7 | bellard | { |
160 | 85571bc7 | bellard | { |
161 | 1d14ffa9 | bellard | { |
162 | 1d14ffa9 | bellard | conv_natural_uint8_t_to_mono, |
163 | f941aa25 | ths | conv_natural_uint16_t_to_mono, |
164 | f941aa25 | ths | conv_natural_uint32_t_to_mono |
165 | 1d14ffa9 | bellard | }, |
166 | 1d14ffa9 | bellard | { |
167 | 1d14ffa9 | bellard | conv_natural_uint8_t_to_mono, |
168 | f941aa25 | ths | conv_swap_uint16_t_to_mono, |
169 | f941aa25 | ths | conv_swap_uint32_t_to_mono, |
170 | 1d14ffa9 | bellard | } |
171 | 85571bc7 | bellard | }, |
172 | 85571bc7 | bellard | { |
173 | 1d14ffa9 | bellard | { |
174 | 1d14ffa9 | bellard | conv_natural_int8_t_to_mono, |
175 | f941aa25 | ths | conv_natural_int16_t_to_mono, |
176 | f941aa25 | ths | conv_natural_int32_t_to_mono |
177 | 1d14ffa9 | bellard | }, |
178 | 1d14ffa9 | bellard | { |
179 | 1d14ffa9 | bellard | conv_natural_int8_t_to_mono, |
180 | f941aa25 | ths | conv_swap_int16_t_to_mono, |
181 | f941aa25 | ths | conv_swap_int32_t_to_mono |
182 | 1d14ffa9 | bellard | } |
183 | 85571bc7 | bellard | } |
184 | 85571bc7 | bellard | }, |
185 | 85571bc7 | bellard | { |
186 | 85571bc7 | bellard | { |
187 | 1d14ffa9 | bellard | { |
188 | 1d14ffa9 | bellard | conv_natural_uint8_t_to_stereo, |
189 | f941aa25 | ths | conv_natural_uint16_t_to_stereo, |
190 | f941aa25 | ths | conv_natural_uint32_t_to_stereo |
191 | 1d14ffa9 | bellard | }, |
192 | 1d14ffa9 | bellard | { |
193 | 1d14ffa9 | bellard | conv_natural_uint8_t_to_stereo, |
194 | f941aa25 | ths | conv_swap_uint16_t_to_stereo, |
195 | f941aa25 | ths | conv_swap_uint32_t_to_stereo |
196 | 1d14ffa9 | bellard | } |
197 | 85571bc7 | bellard | }, |
198 | 85571bc7 | bellard | { |
199 | 1d14ffa9 | bellard | { |
200 | 1d14ffa9 | bellard | conv_natural_int8_t_to_stereo, |
201 | f941aa25 | ths | conv_natural_int16_t_to_stereo, |
202 | f941aa25 | ths | conv_natural_int32_t_to_stereo |
203 | 1d14ffa9 | bellard | }, |
204 | 1d14ffa9 | bellard | { |
205 | 1d14ffa9 | bellard | conv_natural_int8_t_to_stereo, |
206 | f941aa25 | ths | conv_swap_int16_t_to_stereo, |
207 | f941aa25 | ths | conv_swap_int32_t_to_stereo, |
208 | 1d14ffa9 | bellard | } |
209 | 85571bc7 | bellard | } |
210 | 85571bc7 | bellard | } |
211 | 85571bc7 | bellard | }; |
212 | 85571bc7 | bellard | |
213 | f941aa25 | ths | f_sample *mixeng_clip[2][2][2][3] = { |
214 | 85571bc7 | bellard | { |
215 | 85571bc7 | bellard | { |
216 | 1d14ffa9 | bellard | { |
217 | 1d14ffa9 | bellard | clip_natural_uint8_t_from_mono, |
218 | f941aa25 | ths | clip_natural_uint16_t_from_mono, |
219 | f941aa25 | ths | clip_natural_uint32_t_from_mono |
220 | 1d14ffa9 | bellard | }, |
221 | 1d14ffa9 | bellard | { |
222 | 1d14ffa9 | bellard | clip_natural_uint8_t_from_mono, |
223 | f941aa25 | ths | clip_swap_uint16_t_from_mono, |
224 | f941aa25 | ths | clip_swap_uint32_t_from_mono |
225 | 1d14ffa9 | bellard | } |
226 | 85571bc7 | bellard | }, |
227 | 85571bc7 | bellard | { |
228 | 1d14ffa9 | bellard | { |
229 | 1d14ffa9 | bellard | clip_natural_int8_t_from_mono, |
230 | f941aa25 | ths | clip_natural_int16_t_from_mono, |
231 | f941aa25 | ths | clip_natural_int32_t_from_mono |
232 | 1d14ffa9 | bellard | }, |
233 | 1d14ffa9 | bellard | { |
234 | 1d14ffa9 | bellard | clip_natural_int8_t_from_mono, |
235 | f941aa25 | ths | clip_swap_int16_t_from_mono, |
236 | f941aa25 | ths | clip_swap_int32_t_from_mono |
237 | 1d14ffa9 | bellard | } |
238 | 85571bc7 | bellard | } |
239 | 85571bc7 | bellard | }, |
240 | 85571bc7 | bellard | { |
241 | 85571bc7 | bellard | { |
242 | 1d14ffa9 | bellard | { |
243 | 1d14ffa9 | bellard | clip_natural_uint8_t_from_stereo, |
244 | f941aa25 | ths | clip_natural_uint16_t_from_stereo, |
245 | f941aa25 | ths | clip_natural_uint32_t_from_stereo |
246 | 1d14ffa9 | bellard | }, |
247 | 1d14ffa9 | bellard | { |
248 | 1d14ffa9 | bellard | clip_natural_uint8_t_from_stereo, |
249 | f941aa25 | ths | clip_swap_uint16_t_from_stereo, |
250 | f941aa25 | ths | clip_swap_uint32_t_from_stereo |
251 | 1d14ffa9 | bellard | } |
252 | 85571bc7 | bellard | }, |
253 | 85571bc7 | bellard | { |
254 | 1d14ffa9 | bellard | { |
255 | 1d14ffa9 | bellard | clip_natural_int8_t_from_stereo, |
256 | f941aa25 | ths | clip_natural_int16_t_from_stereo, |
257 | f941aa25 | ths | clip_natural_int32_t_from_stereo |
258 | 1d14ffa9 | bellard | }, |
259 | 1d14ffa9 | bellard | { |
260 | 1d14ffa9 | bellard | clip_natural_int8_t_from_stereo, |
261 | f941aa25 | ths | clip_swap_int16_t_from_stereo, |
262 | f941aa25 | ths | clip_swap_int32_t_from_stereo |
263 | 1d14ffa9 | bellard | } |
264 | 85571bc7 | bellard | } |
265 | 85571bc7 | bellard | } |
266 | 85571bc7 | bellard | }; |
267 | 85571bc7 | bellard | |
268 | 85571bc7 | bellard | /*
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269 | 85571bc7 | bellard | * August 21, 1998
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270 | 85571bc7 | bellard | * Copyright 1998 Fabrice Bellard.
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271 | 85571bc7 | bellard | *
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272 | 85571bc7 | bellard | * [Rewrote completly the code of Lance Norskog And Sundry
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273 | 85571bc7 | bellard | * Contributors with a more efficient algorithm.]
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274 | 85571bc7 | bellard | *
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275 | 85571bc7 | bellard | * This source code is freely redistributable and may be used for
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276 | 1d14ffa9 | bellard | * any purpose. This copyright notice must be maintained.
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277 | 1d14ffa9 | bellard | * Lance Norskog And Sundry Contributors are not responsible for
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278 | 1d14ffa9 | bellard | * the consequences of using this software.
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279 | 85571bc7 | bellard | */
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280 | 85571bc7 | bellard | |
281 | 85571bc7 | bellard | /*
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282 | 85571bc7 | bellard | * Sound Tools rate change effect file.
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283 | 85571bc7 | bellard | */
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284 | 85571bc7 | bellard | /*
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285 | 85571bc7 | bellard | * Linear Interpolation.
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286 | 85571bc7 | bellard | *
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287 | 85571bc7 | bellard | * The use of fractional increment allows us to use no buffer. It
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288 | 85571bc7 | bellard | * avoid the problems at the end of the buffer we had with the old
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289 | 85571bc7 | bellard | * method which stored a possibly big buffer of size
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290 | 85571bc7 | bellard | * lcm(in_rate,out_rate).
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291 | 85571bc7 | bellard | *
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292 | 85571bc7 | bellard | * Limited to 16 bit samples and sampling frequency <= 65535 Hz. If
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293 | 85571bc7 | bellard | * the input & output frequencies are equal, a delay of one sample is
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294 | 85571bc7 | bellard | * introduced. Limited to processing 32-bit count worth of samples.
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295 | 85571bc7 | bellard | *
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296 | 85571bc7 | bellard | * 1 << FRAC_BITS evaluating to zero in several places. Changed with
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297 | 85571bc7 | bellard | * an (unsigned long) cast to make it safe. MarkMLl 2/1/99
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298 | 85571bc7 | bellard | */
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299 | 85571bc7 | bellard | |
300 | 85571bc7 | bellard | /* Private data */
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301 | c0fe3827 | bellard | struct rate {
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302 | 85571bc7 | bellard | uint64_t opos; |
303 | 85571bc7 | bellard | uint64_t opos_inc; |
304 | 85571bc7 | bellard | uint32_t ipos; /* position in the input stream (integer) */
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305 | 1ea879e5 | malc | struct st_sample ilast; /* last sample in the input stream */ |
306 | c0fe3827 | bellard | }; |
307 | 85571bc7 | bellard | |
308 | 85571bc7 | bellard | /*
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309 | 85571bc7 | bellard | * Prepare processing.
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310 | 85571bc7 | bellard | */
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311 | 85571bc7 | bellard | void *st_rate_start (int inrate, int outrate) |
312 | 85571bc7 | bellard | { |
313 | c0fe3827 | bellard | struct rate *rate = audio_calloc (AUDIO_FUNC, 1, sizeof (*rate)); |
314 | 85571bc7 | bellard | |
315 | 85571bc7 | bellard | if (!rate) {
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316 | e7cad338 | bellard | dolog ("Could not allocate resampler (%zu bytes)\n", sizeof (*rate)); |
317 | 1d14ffa9 | bellard | return NULL; |
318 | 85571bc7 | bellard | } |
319 | 85571bc7 | bellard | |
320 | 85571bc7 | bellard | rate->opos = 0;
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321 | 85571bc7 | bellard | |
322 | 85571bc7 | bellard | /* increment */
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323 | 1d14ffa9 | bellard | rate->opos_inc = ((uint64_t) inrate << 32) / outrate;
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324 | 85571bc7 | bellard | |
325 | 85571bc7 | bellard | rate->ipos = 0;
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326 | 85571bc7 | bellard | rate->ilast.l = 0;
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327 | 85571bc7 | bellard | rate->ilast.r = 0;
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328 | 85571bc7 | bellard | return rate;
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329 | 85571bc7 | bellard | } |
330 | 85571bc7 | bellard | |
331 | 1d14ffa9 | bellard | #define NAME st_rate_flow_mix
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332 | 1d14ffa9 | bellard | #define OP(a, b) a += b
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333 | 1d14ffa9 | bellard | #include "rate_template.h" |
334 | 85571bc7 | bellard | |
335 | 1d14ffa9 | bellard | #define NAME st_rate_flow
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336 | 1d14ffa9 | bellard | #define OP(a, b) a = b
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337 | 1d14ffa9 | bellard | #include "rate_template.h" |
338 | 85571bc7 | bellard | |
339 | 85571bc7 | bellard | void st_rate_stop (void *opaque) |
340 | 85571bc7 | bellard | { |
341 | 7267c094 | Anthony Liguori | g_free (opaque); |
342 | 85571bc7 | bellard | } |
343 | 1d14ffa9 | bellard | |
344 | 1ea879e5 | malc | void mixeng_clear (struct st_sample *buf, int len) |
345 | 1d14ffa9 | bellard | { |
346 | 1ea879e5 | malc | memset (buf, 0, len * sizeof (struct st_sample)); |
347 | 1d14ffa9 | bellard | } |
348 | 00e07679 | Michael Walle | |
349 | 00e07679 | Michael Walle | void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol) |
350 | 00e07679 | Michael Walle | { |
351 | 00e07679 | Michael Walle | #ifdef CONFIG_MIXEMU
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352 | 00e07679 | Michael Walle | if (vol->mute) {
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353 | 00e07679 | Michael Walle | mixeng_clear (buf, len); |
354 | 00e07679 | Michael Walle | return;
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355 | 00e07679 | Michael Walle | } |
356 | 00e07679 | Michael Walle | |
357 | 00e07679 | Michael Walle | while (len--) {
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358 | 00e07679 | Michael Walle | #ifdef FLOAT_MIXENG
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359 | 00e07679 | Michael Walle | buf->l = buf->l * vol->l; |
360 | 00e07679 | Michael Walle | buf->r = buf->r * vol->r; |
361 | 00e07679 | Michael Walle | #else
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362 | 00e07679 | Michael Walle | buf->l = (buf->l * vol->l) >> 32;
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363 | 00e07679 | Michael Walle | buf->r = (buf->r * vol->r) >> 32;
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364 | 00e07679 | Michael Walle | #endif
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365 | 00e07679 | Michael Walle | buf += 1;
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366 | 00e07679 | Michael Walle | } |
367 | 00e07679 | Michael Walle | #else
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368 | 00e07679 | Michael Walle | (void) buf;
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369 | 00e07679 | Michael Walle | (void) len;
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370 | 00e07679 | Michael Walle | (void) vol;
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371 | 00e07679 | Michael Walle | #endif
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372 | 00e07679 | Michael Walle | } |