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fb065187 FB |
1 | /* |
2 | * QEMU Audio subsystem header | |
1d14ffa9 FB |
3 | * |
4 | * Copyright (c) 2003-2005 Vassili Karpov (malc) | |
5 | * | |
fb065187 FB |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
7 | * of this software and associated documentation files (the "Software"), to deal | |
8 | * in the Software without restriction, including without limitation the rights | |
9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
10 | * copies of the Software, and to permit persons to whom the Software is | |
11 | * furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
22 | * THE SOFTWARE. | |
23 | */ | |
24 | #ifndef QEMU_AUDIO_INT_H | |
25 | #define QEMU_AUDIO_INT_H | |
26 | ||
1d14ffa9 FB |
27 | #ifdef CONFIG_COREAUDIO |
28 | #define FLOAT_MIXENG | |
29 | /* #define RECIPROCAL */ | |
30 | #endif | |
31 | #include "mixeng.h" | |
32 | ||
1d14ffa9 FB |
33 | struct audio_pcm_ops; |
34 | ||
35 | typedef enum { | |
36 | AUD_OPT_INT, | |
37 | AUD_OPT_FMT, | |
38 | AUD_OPT_STR, | |
39 | AUD_OPT_BOOL | |
40 | } audio_option_tag_e; | |
41 | ||
42 | struct audio_option { | |
43 | const char *name; | |
44 | audio_option_tag_e tag; | |
45 | void *valp; | |
46 | const char *descr; | |
fe8f096b TS |
47 | int *overriddenp; |
48 | int overridden; | |
1d14ffa9 FB |
49 | }; |
50 | ||
51 | struct audio_callback { | |
52 | void *opaque; | |
53 | audio_callback_fn_t fn; | |
54 | }; | |
fb065187 | 55 | |
1d14ffa9 FB |
56 | struct audio_pcm_info { |
57 | int bits; | |
58 | int sign; | |
59 | int freq; | |
60 | int nchannels; | |
61 | int align; | |
62 | int shift; | |
63 | int bytes_per_second; | |
d929eba5 | 64 | int swap_endianness; |
1d14ffa9 | 65 | }; |
fb065187 | 66 | |
ec36b695 FB |
67 | typedef struct SWVoiceCap SWVoiceCap; |
68 | ||
1d14ffa9 | 69 | typedef struct HWVoiceOut { |
fb065187 FB |
70 | int enabled; |
71 | int pending_disable; | |
1d14ffa9 | 72 | struct audio_pcm_info info; |
fb065187 FB |
73 | |
74 | f_sample *clip; | |
fb065187 FB |
75 | |
76 | int rpos; | |
1d14ffa9 | 77 | uint64_t ts_helper; |
fb065187 | 78 | |
1ea879e5 | 79 | struct st_sample *mix_buf; |
fb065187 FB |
80 | |
81 | int samples; | |
1d14ffa9 | 82 | LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
ec36b695 | 83 | LIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head; |
35f4b58c | 84 | struct audio_pcm_ops *pcm_ops; |
1d14ffa9 FB |
85 | LIST_ENTRY (HWVoiceOut) entries; |
86 | } HWVoiceOut; | |
fb065187 | 87 | |
1d14ffa9 FB |
88 | typedef struct HWVoiceIn { |
89 | int enabled; | |
1d14ffa9 FB |
90 | struct audio_pcm_info info; |
91 | ||
92 | t_sample *conv; | |
7372f88d | 93 | |
1d14ffa9 | 94 | int wpos; |
1d14ffa9 FB |
95 | int total_samples_captured; |
96 | uint64_t ts_helper; | |
fb065187 | 97 | |
1ea879e5 | 98 | struct st_sample *conv_buf; |
fb065187 | 99 | |
1d14ffa9 FB |
100 | int samples; |
101 | LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; | |
35f4b58c | 102 | struct audio_pcm_ops *pcm_ops; |
1d14ffa9 FB |
103 | LIST_ENTRY (HWVoiceIn) entries; |
104 | } HWVoiceIn; | |
fb065187 | 105 | |
1d14ffa9 | 106 | struct SWVoiceOut { |
1a7dafce | 107 | QEMUSoundCard *card; |
1d14ffa9 | 108 | struct audio_pcm_info info; |
fb065187 | 109 | t_sample *conv; |
fb065187 | 110 | int64_t ratio; |
1ea879e5 | 111 | struct st_sample *buf; |
fb065187 | 112 | void *rate; |
1d14ffa9 FB |
113 | int total_hw_samples_mixed; |
114 | int active; | |
115 | int empty; | |
116 | HWVoiceOut *hw; | |
117 | char *name; | |
1ea879e5 | 118 | struct mixeng_volume vol; |
1d14ffa9 FB |
119 | struct audio_callback callback; |
120 | LIST_ENTRY (SWVoiceOut) entries; | |
121 | }; | |
fb065187 | 122 | |
1d14ffa9 | 123 | struct SWVoiceIn { |
1a7dafce | 124 | QEMUSoundCard *card; |
fb065187 | 125 | int active; |
1d14ffa9 FB |
126 | struct audio_pcm_info info; |
127 | int64_t ratio; | |
128 | void *rate; | |
129 | int total_hw_samples_acquired; | |
1ea879e5 | 130 | struct st_sample *buf; |
1d14ffa9 FB |
131 | f_sample *clip; |
132 | HWVoiceIn *hw; | |
fb065187 | 133 | char *name; |
1ea879e5 | 134 | struct mixeng_volume vol; |
1d14ffa9 FB |
135 | struct audio_callback callback; |
136 | LIST_ENTRY (SWVoiceIn) entries; | |
fb065187 FB |
137 | }; |
138 | ||
c0fe3827 FB |
139 | struct audio_driver { |
140 | const char *name; | |
141 | const char *descr; | |
142 | struct audio_option *options; | |
143 | void *(*init) (void); | |
144 | void (*fini) (void *); | |
35f4b58c | 145 | struct audio_pcm_ops *pcm_ops; |
c0fe3827 FB |
146 | int can_be_default; |
147 | int max_voices_out; | |
148 | int max_voices_in; | |
149 | int voice_size_out; | |
150 | int voice_size_in; | |
151 | }; | |
152 | ||
1d14ffa9 | 153 | struct audio_pcm_ops { |
1ea879e5 | 154 | int (*init_out)(HWVoiceOut *hw, struct audsettings *as); |
1d14ffa9 FB |
155 | void (*fini_out)(HWVoiceOut *hw); |
156 | int (*run_out) (HWVoiceOut *hw); | |
157 | int (*write) (SWVoiceOut *sw, void *buf, int size); | |
158 | int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); | |
159 | ||
1ea879e5 | 160 | int (*init_in) (HWVoiceIn *hw, struct audsettings *as); |
1d14ffa9 FB |
161 | void (*fini_in) (HWVoiceIn *hw); |
162 | int (*run_in) (HWVoiceIn *hw); | |
163 | int (*read) (SWVoiceIn *sw, void *buf, int size); | |
164 | int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); | |
fb065187 FB |
165 | }; |
166 | ||
8ead62cf FB |
167 | struct capture_callback { |
168 | struct audio_capture_ops ops; | |
169 | void *opaque; | |
170 | LIST_ENTRY (capture_callback) entries; | |
171 | }; | |
172 | ||
ec36b695 | 173 | struct CaptureVoiceOut { |
8ead62cf FB |
174 | HWVoiceOut hw; |
175 | void *buf; | |
176 | LIST_HEAD (cb_listhead, capture_callback) cb_head; | |
177 | LIST_ENTRY (CaptureVoiceOut) entries; | |
ec36b695 FB |
178 | }; |
179 | ||
180 | struct SWVoiceCap { | |
181 | SWVoiceOut sw; | |
182 | CaptureVoiceOut *cap; | |
183 | LIST_ENTRY (SWVoiceCap) entries; | |
184 | }; | |
8ead62cf | 185 | |
c0fe3827 FB |
186 | struct AudioState { |
187 | struct audio_driver *drv; | |
188 | void *drv_opaque; | |
189 | ||
190 | QEMUTimer *ts; | |
8ead62cf | 191 | LIST_HEAD (card_listhead, QEMUSoundCard) card_head; |
c0fe3827 FB |
192 | LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; |
193 | LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; | |
8ead62cf | 194 | LIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head; |
c0fe3827 FB |
195 | int nb_hw_voices_out; |
196 | int nb_hw_voices_in; | |
978dd635 | 197 | int vm_running; |
c0fe3827 FB |
198 | }; |
199 | ||
200 | extern struct audio_driver no_audio_driver; | |
201 | extern struct audio_driver oss_audio_driver; | |
202 | extern struct audio_driver sdl_audio_driver; | |
203 | extern struct audio_driver wav_audio_driver; | |
204 | extern struct audio_driver fmod_audio_driver; | |
205 | extern struct audio_driver alsa_audio_driver; | |
206 | extern struct audio_driver coreaudio_audio_driver; | |
207 | extern struct audio_driver dsound_audio_driver; | |
ca9cc28c | 208 | extern struct audio_driver esd_audio_driver; |
b8e59f18 | 209 | extern struct audio_driver pa_audio_driver; |
1ea879e5 | 210 | extern struct mixeng_volume nominal_volume; |
c0fe3827 | 211 | |
1ea879e5 | 212 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as); |
1d14ffa9 FB |
213 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); |
214 | ||
215 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len); | |
216 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw); | |
217 | ||
218 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len); | |
219 | int audio_pcm_hw_get_live_out (HWVoiceOut *hw); | |
220 | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live); | |
fb065187 | 221 | |
c0fe3827 FB |
222 | int audio_bug (const char *funcname, int cond); |
223 | void *audio_calloc (const char *funcname, int nmemb, size_t size); | |
224 | ||
fb065187 FB |
225 | #define VOICE_ENABLE 1 |
226 | #define VOICE_DISABLE 2 | |
227 | ||
1d14ffa9 FB |
228 | static inline int audio_ring_dist (int dst, int src, int len) |
229 | { | |
230 | return (dst >= src) ? (dst - src) : (len - src + dst); | |
231 | } | |
232 | ||
1d14ffa9 FB |
233 | #if defined __GNUC__ |
234 | #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2))) | |
235 | #define INIT_FIELD(f) . f | |
4787c71d | 236 | #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m))) |
1d14ffa9 FB |
237 | #else |
238 | #define GCC_ATTR /**/ | |
239 | #define INIT_FIELD(f) /**/ | |
240 | #define GCC_FMT_ATTR(n, m) | |
241 | #endif | |
242 | ||
243 | static void GCC_ATTR dolog (const char *fmt, ...) | |
244 | { | |
245 | va_list ap; | |
246 | ||
247 | va_start (ap, fmt); | |
248 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
249 | va_end (ap); | |
250 | } | |
251 | ||
252 | #ifdef DEBUG | |
253 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
254 | { | |
255 | va_list ap; | |
256 | ||
257 | va_start (ap, fmt); | |
258 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
259 | va_end (ap); | |
260 | } | |
261 | #else | |
262 | #if defined NDEBUG && defined __GNUC__ | |
263 | #define ldebug(...) | |
264 | #elif defined NDEBUG && defined _MSC_VER | |
265 | #define ldebug __noop | |
266 | #else | |
267 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
268 | { | |
269 | (void) fmt; | |
270 | } | |
271 | #endif | |
272 | #endif | |
273 | ||
274 | #undef GCC_ATTR | |
275 | ||
276 | #define AUDIO_STRINGIFY_(n) #n | |
277 | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) | |
278 | ||
279 | #if defined _MSC_VER || defined __GNUC__ | |
280 | #define AUDIO_FUNC __FUNCTION__ | |
281 | #else | |
282 | #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__) | |
283 | #endif | |
284 | ||
fb065187 | 285 | #endif /* audio_int.h */ |