root / audio / audio_int.h @ 43057ab1
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1 | fb065187 | bellard | /*
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2 | fb065187 | bellard | * QEMU Audio subsystem header
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3 | 1d14ffa9 | bellard | *
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4 | 1d14ffa9 | bellard | * Copyright (c) 2003-2005 Vassili Karpov (malc)
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5 | 1d14ffa9 | bellard | *
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6 | fb065187 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | fb065187 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | fb065187 | bellard | * in the Software without restriction, including without limitation the rights
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9 | fb065187 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | fb065187 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | fb065187 | bellard | * furnished to do so, subject to the following conditions:
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12 | fb065187 | bellard | *
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13 | fb065187 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | fb065187 | bellard | * all copies or substantial portions of the Software.
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15 | fb065187 | bellard | *
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16 | fb065187 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | fb065187 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | fb065187 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | fb065187 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | fb065187 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | fb065187 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | fb065187 | bellard | * THE SOFTWARE.
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23 | fb065187 | bellard | */
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24 | fb065187 | bellard | #ifndef QEMU_AUDIO_INT_H
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25 | fb065187 | bellard | #define QEMU_AUDIO_INT_H
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26 | fb065187 | bellard | |
27 | 1d14ffa9 | bellard | #ifdef CONFIG_COREAUDIO
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28 | 1d14ffa9 | bellard | #define FLOAT_MIXENG
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29 | 1d14ffa9 | bellard | /* #define RECIPROCAL */
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30 | 1d14ffa9 | bellard | #endif
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31 | 1d14ffa9 | bellard | #include "mixeng.h" |
32 | 1d14ffa9 | bellard | |
33 | 1d14ffa9 | bellard | struct audio_pcm_ops;
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34 | 1d14ffa9 | bellard | |
35 | 1d14ffa9 | bellard | typedef enum { |
36 | 1d14ffa9 | bellard | AUD_OPT_INT, |
37 | 1d14ffa9 | bellard | AUD_OPT_FMT, |
38 | 1d14ffa9 | bellard | AUD_OPT_STR, |
39 | 1d14ffa9 | bellard | AUD_OPT_BOOL |
40 | 1d14ffa9 | bellard | } audio_option_tag_e; |
41 | 1d14ffa9 | bellard | |
42 | 1d14ffa9 | bellard | struct audio_option {
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43 | 1d14ffa9 | bellard | const char *name; |
44 | 1d14ffa9 | bellard | audio_option_tag_e tag; |
45 | 1d14ffa9 | bellard | void *valp;
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46 | 1d14ffa9 | bellard | const char *descr; |
47 | 1d14ffa9 | bellard | int *overridenp;
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48 | 1d14ffa9 | bellard | int overriden;
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49 | 1d14ffa9 | bellard | }; |
50 | 1d14ffa9 | bellard | |
51 | 1d14ffa9 | bellard | struct audio_callback {
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52 | 1d14ffa9 | bellard | void *opaque;
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53 | 1d14ffa9 | bellard | audio_callback_fn_t fn; |
54 | 1d14ffa9 | bellard | }; |
55 | fb065187 | bellard | |
56 | 1d14ffa9 | bellard | struct audio_pcm_info {
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57 | 1d14ffa9 | bellard | int bits;
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58 | 1d14ffa9 | bellard | int sign;
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59 | 1d14ffa9 | bellard | int freq;
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60 | 1d14ffa9 | bellard | int nchannels;
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61 | 1d14ffa9 | bellard | int align;
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62 | 1d14ffa9 | bellard | int shift;
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63 | 1d14ffa9 | bellard | int bytes_per_second;
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64 | 1d14ffa9 | bellard | int swap_endian;
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65 | 1d14ffa9 | bellard | }; |
66 | fb065187 | bellard | |
67 | 1d14ffa9 | bellard | typedef struct HWVoiceOut { |
68 | fb065187 | bellard | int enabled;
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69 | fb065187 | bellard | int pending_disable;
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70 | fb065187 | bellard | int valid;
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71 | 1d14ffa9 | bellard | struct audio_pcm_info info;
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72 | fb065187 | bellard | |
73 | fb065187 | bellard | f_sample *clip; |
74 | fb065187 | bellard | |
75 | fb065187 | bellard | int rpos;
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76 | 1d14ffa9 | bellard | uint64_t ts_helper; |
77 | fb065187 | bellard | |
78 | fb065187 | bellard | st_sample_t *mix_buf; |
79 | fb065187 | bellard | |
80 | fb065187 | bellard | int samples;
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81 | 1d14ffa9 | bellard | LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
82 | 1d14ffa9 | bellard | struct audio_pcm_ops *pcm_ops;
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83 | 1d14ffa9 | bellard | LIST_ENTRY (HWVoiceOut) entries; |
84 | 1d14ffa9 | bellard | } HWVoiceOut; |
85 | fb065187 | bellard | |
86 | 1d14ffa9 | bellard | typedef struct HWVoiceIn { |
87 | 1d14ffa9 | bellard | int enabled;
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88 | 1d14ffa9 | bellard | struct audio_pcm_info info;
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89 | 1d14ffa9 | bellard | |
90 | 1d14ffa9 | bellard | t_sample *conv; |
91 | 7372f88d | bellard | |
92 | 1d14ffa9 | bellard | int wpos;
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93 | 1d14ffa9 | bellard | int total_samples_captured;
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94 | 1d14ffa9 | bellard | uint64_t ts_helper; |
95 | fb065187 | bellard | |
96 | 1d14ffa9 | bellard | st_sample_t *conv_buf; |
97 | fb065187 | bellard | |
98 | 1d14ffa9 | bellard | int samples;
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99 | 1d14ffa9 | bellard | LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; |
100 | 1d14ffa9 | bellard | struct audio_pcm_ops *pcm_ops;
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101 | 1d14ffa9 | bellard | LIST_ENTRY (HWVoiceIn) entries; |
102 | 1d14ffa9 | bellard | } HWVoiceIn; |
103 | fb065187 | bellard | |
104 | 1d14ffa9 | bellard | struct SWVoiceOut {
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105 | 1d14ffa9 | bellard | struct audio_pcm_info info;
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106 | fb065187 | bellard | t_sample *conv; |
107 | fb065187 | bellard | int64_t ratio; |
108 | fb065187 | bellard | st_sample_t *buf; |
109 | fb065187 | bellard | void *rate;
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110 | 1d14ffa9 | bellard | int total_hw_samples_mixed;
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111 | 1d14ffa9 | bellard | int active;
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112 | 1d14ffa9 | bellard | int empty;
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113 | 1d14ffa9 | bellard | HWVoiceOut *hw; |
114 | 1d14ffa9 | bellard | char *name;
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115 | 1d14ffa9 | bellard | volume_t vol; |
116 | 1d14ffa9 | bellard | struct audio_callback callback;
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117 | 1d14ffa9 | bellard | LIST_ENTRY (SWVoiceOut) entries; |
118 | 1d14ffa9 | bellard | }; |
119 | fb065187 | bellard | |
120 | 1d14ffa9 | bellard | struct SWVoiceIn {
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121 | fb065187 | bellard | int active;
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122 | 1d14ffa9 | bellard | struct audio_pcm_info info;
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123 | 1d14ffa9 | bellard | int64_t ratio; |
124 | 1d14ffa9 | bellard | void *rate;
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125 | 1d14ffa9 | bellard | int total_hw_samples_acquired;
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126 | 571ec3d6 | bellard | st_sample_t *buf; |
127 | 1d14ffa9 | bellard | f_sample *clip; |
128 | 1d14ffa9 | bellard | HWVoiceIn *hw; |
129 | fb065187 | bellard | char *name;
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130 | 1d14ffa9 | bellard | volume_t vol; |
131 | 1d14ffa9 | bellard | struct audio_callback callback;
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132 | 1d14ffa9 | bellard | LIST_ENTRY (SWVoiceIn) entries; |
133 | fb065187 | bellard | }; |
134 | fb065187 | bellard | |
135 | c0fe3827 | bellard | struct audio_driver {
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136 | c0fe3827 | bellard | const char *name; |
137 | c0fe3827 | bellard | const char *descr; |
138 | c0fe3827 | bellard | struct audio_option *options;
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139 | c0fe3827 | bellard | void *(*init) (void); |
140 | c0fe3827 | bellard | void (*fini) (void *); |
141 | c0fe3827 | bellard | struct audio_pcm_ops *pcm_ops;
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142 | c0fe3827 | bellard | int can_be_default;
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143 | c0fe3827 | bellard | int max_voices_out;
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144 | c0fe3827 | bellard | int max_voices_in;
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145 | c0fe3827 | bellard | int voice_size_out;
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146 | c0fe3827 | bellard | int voice_size_in;
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147 | c0fe3827 | bellard | }; |
148 | c0fe3827 | bellard | |
149 | 1d14ffa9 | bellard | struct audio_pcm_ops {
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150 | c0fe3827 | bellard | int (*init_out)(HWVoiceOut *hw, audsettings_t *as);
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151 | 1d14ffa9 | bellard | void (*fini_out)(HWVoiceOut *hw);
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152 | 1d14ffa9 | bellard | int (*run_out) (HWVoiceOut *hw);
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153 | 1d14ffa9 | bellard | int (*write) (SWVoiceOut *sw, void *buf, int size); |
154 | 1d14ffa9 | bellard | int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); |
155 | 1d14ffa9 | bellard | |
156 | c0fe3827 | bellard | int (*init_in) (HWVoiceIn *hw, audsettings_t *as);
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157 | 1d14ffa9 | bellard | void (*fini_in) (HWVoiceIn *hw);
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158 | 1d14ffa9 | bellard | int (*run_in) (HWVoiceIn *hw);
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159 | 1d14ffa9 | bellard | int (*read) (SWVoiceIn *sw, void *buf, int size); |
160 | 1d14ffa9 | bellard | int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); |
161 | fb065187 | bellard | }; |
162 | fb065187 | bellard | |
163 | c0fe3827 | bellard | struct AudioState {
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164 | c0fe3827 | bellard | struct audio_driver *drv;
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165 | c0fe3827 | bellard | void *drv_opaque;
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166 | c0fe3827 | bellard | |
167 | c0fe3827 | bellard | QEMUTimer *ts; |
168 | c0fe3827 | bellard | LIST_HEAD (card_head, QEMUSoundCard) card_head; |
169 | c0fe3827 | bellard | LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; |
170 | c0fe3827 | bellard | LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; |
171 | c0fe3827 | bellard | int nb_hw_voices_out;
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172 | c0fe3827 | bellard | int nb_hw_voices_in;
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173 | c0fe3827 | bellard | }; |
174 | c0fe3827 | bellard | |
175 | c0fe3827 | bellard | extern struct audio_driver no_audio_driver; |
176 | c0fe3827 | bellard | extern struct audio_driver oss_audio_driver; |
177 | c0fe3827 | bellard | extern struct audio_driver sdl_audio_driver; |
178 | c0fe3827 | bellard | extern struct audio_driver wav_audio_driver; |
179 | c0fe3827 | bellard | extern struct audio_driver fmod_audio_driver; |
180 | c0fe3827 | bellard | extern struct audio_driver alsa_audio_driver; |
181 | c0fe3827 | bellard | extern struct audio_driver coreaudio_audio_driver; |
182 | c0fe3827 | bellard | extern struct audio_driver dsound_audio_driver; |
183 | c0fe3827 | bellard | extern volume_t nominal_volume;
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184 | c0fe3827 | bellard | |
185 | c0fe3827 | bellard | void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as, |
186 | c0fe3827 | bellard | int swap_endian);
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187 | 1d14ffa9 | bellard | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); |
188 | 1d14ffa9 | bellard | |
189 | 1d14ffa9 | bellard | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len); |
190 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
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191 | 1d14ffa9 | bellard | |
192 | 1d14ffa9 | bellard | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len); |
193 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_out (HWVoiceOut *hw);
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194 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live); |
195 | fb065187 | bellard | |
196 | c0fe3827 | bellard | int audio_bug (const char *funcname, int cond); |
197 | c0fe3827 | bellard | void *audio_calloc (const char *funcname, int nmemb, size_t size); |
198 | c0fe3827 | bellard | |
199 | fb065187 | bellard | #define VOICE_ENABLE 1 |
200 | fb065187 | bellard | #define VOICE_DISABLE 2 |
201 | fb065187 | bellard | |
202 | 1d14ffa9 | bellard | static inline int audio_ring_dist (int dst, int src, int len) |
203 | 1d14ffa9 | bellard | { |
204 | 1d14ffa9 | bellard | return (dst >= src) ? (dst - src) : (len - src + dst);
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205 | 1d14ffa9 | bellard | } |
206 | 1d14ffa9 | bellard | |
207 | 1d14ffa9 | bellard | static inline int audio_need_to_swap_endian (int endianness) |
208 | 1d14ffa9 | bellard | { |
209 | 1d14ffa9 | bellard | #ifdef WORDS_BIGENDIAN
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210 | 1d14ffa9 | bellard | return endianness != 1; |
211 | 1d14ffa9 | bellard | #else
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212 | 1d14ffa9 | bellard | return endianness != 0; |
213 | 1d14ffa9 | bellard | #endif
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214 | 1d14ffa9 | bellard | } |
215 | 1d14ffa9 | bellard | |
216 | 1d14ffa9 | bellard | #if defined __GNUC__
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217 | 1d14ffa9 | bellard | #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2))) |
218 | 1d14ffa9 | bellard | #define INIT_FIELD(f) . f
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219 | 4787c71d | bellard | #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m)))
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220 | 1d14ffa9 | bellard | #else
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221 | 1d14ffa9 | bellard | #define GCC_ATTR /**/ |
222 | 1d14ffa9 | bellard | #define INIT_FIELD(f) /**/ |
223 | 1d14ffa9 | bellard | #define GCC_FMT_ATTR(n, m)
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224 | 1d14ffa9 | bellard | #endif
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225 | 1d14ffa9 | bellard | |
226 | 1d14ffa9 | bellard | static void GCC_ATTR dolog (const char *fmt, ...) |
227 | 1d14ffa9 | bellard | { |
228 | 1d14ffa9 | bellard | va_list ap; |
229 | 1d14ffa9 | bellard | |
230 | 1d14ffa9 | bellard | va_start (ap, fmt); |
231 | 1d14ffa9 | bellard | AUD_vlog (AUDIO_CAP, fmt, ap); |
232 | 1d14ffa9 | bellard | va_end (ap); |
233 | 1d14ffa9 | bellard | } |
234 | 1d14ffa9 | bellard | |
235 | 1d14ffa9 | bellard | #ifdef DEBUG
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236 | 1d14ffa9 | bellard | static void GCC_ATTR ldebug (const char *fmt, ...) |
237 | 1d14ffa9 | bellard | { |
238 | 1d14ffa9 | bellard | va_list ap; |
239 | 1d14ffa9 | bellard | |
240 | 1d14ffa9 | bellard | va_start (ap, fmt); |
241 | 1d14ffa9 | bellard | AUD_vlog (AUDIO_CAP, fmt, ap); |
242 | 1d14ffa9 | bellard | va_end (ap); |
243 | 1d14ffa9 | bellard | } |
244 | 1d14ffa9 | bellard | #else
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245 | 1d14ffa9 | bellard | #if defined NDEBUG && defined __GNUC__
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246 | 1d14ffa9 | bellard | #define ldebug(...)
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247 | 1d14ffa9 | bellard | #elif defined NDEBUG && defined _MSC_VER
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248 | 1d14ffa9 | bellard | #define ldebug __noop
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249 | 1d14ffa9 | bellard | #else
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250 | 1d14ffa9 | bellard | static void GCC_ATTR ldebug (const char *fmt, ...) |
251 | 1d14ffa9 | bellard | { |
252 | 1d14ffa9 | bellard | (void) fmt;
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253 | 1d14ffa9 | bellard | } |
254 | 1d14ffa9 | bellard | #endif
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255 | 1d14ffa9 | bellard | #endif
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256 | 1d14ffa9 | bellard | |
257 | 1d14ffa9 | bellard | #undef GCC_ATTR
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258 | 1d14ffa9 | bellard | |
259 | 1d14ffa9 | bellard | #define AUDIO_STRINGIFY_(n) #n |
260 | 1d14ffa9 | bellard | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
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261 | 1d14ffa9 | bellard | |
262 | 1d14ffa9 | bellard | #if defined _MSC_VER || defined __GNUC__
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263 | 1d14ffa9 | bellard | #define AUDIO_FUNC __FUNCTION__
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264 | 1d14ffa9 | bellard | #else
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265 | 1d14ffa9 | bellard | #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__) |
266 | 1d14ffa9 | bellard | #endif
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267 | 1d14ffa9 | bellard | |
268 | fb065187 | bellard | #endif /* audio_int.h */ |