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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 | */ | |
175de524 | 24 | |
fb065187 FB |
25 | #ifndef QEMU_AUDIO_INT_H |
26 | #define QEMU_AUDIO_INT_H | |
27 | ||
1ef1ec2a | 28 | #ifdef CONFIG_AUDIO_COREAUDIO |
1d14ffa9 FB |
29 | #define FLOAT_MIXENG |
30 | /* #define RECIPROCAL */ | |
31 | #endif | |
32 | #include "mixeng.h" | |
33 | ||
1d14ffa9 FB |
34 | struct audio_pcm_ops; |
35 | ||
1d14ffa9 FB |
36 | struct audio_callback { |
37 | void *opaque; | |
cb4f03e8 | 38 | audio_callback_fn fn; |
1d14ffa9 | 39 | }; |
fb065187 | 40 | |
1d14ffa9 FB |
41 | struct audio_pcm_info { |
42 | int bits; | |
43 | int sign; | |
44 | int freq; | |
45 | int nchannels; | |
46 | int align; | |
47 | int shift; | |
48 | int bytes_per_second; | |
d929eba5 | 49 | int swap_endianness; |
1d14ffa9 | 50 | }; |
fb065187 | 51 | |
526fb058 | 52 | typedef struct AudioState AudioState; |
ec36b695 FB |
53 | typedef struct SWVoiceCap SWVoiceCap; |
54 | ||
dc88e38f KZ |
55 | typedef struct STSampleBuffer { |
56 | size_t pos, size; | |
57 | st_sample samples[]; | |
58 | } STSampleBuffer; | |
59 | ||
1d14ffa9 | 60 | typedef struct HWVoiceOut { |
526fb058 | 61 | AudioState *s; |
fb065187 | 62 | int enabled; |
713a98f8 | 63 | int poll_mode; |
fb065187 | 64 | int pending_disable; |
1d14ffa9 | 65 | struct audio_pcm_info info; |
fb065187 FB |
66 | |
67 | f_sample *clip; | |
1d14ffa9 | 68 | uint64_t ts_helper; |
fb065187 | 69 | |
dc88e38f | 70 | STSampleBuffer *mix_buf; |
ff095e52 KZ |
71 | void *buf_emul; |
72 | size_t pos_emul, pending_emul, size_emul; | |
fb065187 | 73 | |
7520462b | 74 | size_t samples; |
72cf2d4f BS |
75 | QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
76 | QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head; | |
c01b2456 | 77 | int ctl_caps; |
35f4b58c | 78 | struct audio_pcm_ops *pcm_ops; |
72cf2d4f | 79 | QLIST_ENTRY (HWVoiceOut) entries; |
1d14ffa9 | 80 | } HWVoiceOut; |
fb065187 | 81 | |
1d14ffa9 | 82 | typedef struct HWVoiceIn { |
526fb058 | 83 | AudioState *s; |
1d14ffa9 | 84 | int enabled; |
713a98f8 | 85 | int poll_mode; |
1d14ffa9 FB |
86 | struct audio_pcm_info info; |
87 | ||
88 | t_sample *conv; | |
7372f88d | 89 | |
7520462b | 90 | size_t total_samples_captured; |
1d14ffa9 | 91 | uint64_t ts_helper; |
fb065187 | 92 | |
dc88e38f | 93 | STSampleBuffer *conv_buf; |
ff095e52 KZ |
94 | void *buf_emul; |
95 | size_t pos_emul, pending_emul, size_emul; | |
fb065187 | 96 | |
7520462b | 97 | size_t samples; |
72cf2d4f | 98 | QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; |
c01b2456 | 99 | int ctl_caps; |
35f4b58c | 100 | struct audio_pcm_ops *pcm_ops; |
72cf2d4f | 101 | QLIST_ENTRY (HWVoiceIn) entries; |
1d14ffa9 | 102 | } HWVoiceIn; |
fb065187 | 103 | |
1d14ffa9 | 104 | struct SWVoiceOut { |
1a7dafce | 105 | QEMUSoundCard *card; |
526fb058 | 106 | AudioState *s; |
1d14ffa9 | 107 | struct audio_pcm_info info; |
fb065187 | 108 | t_sample *conv; |
fb065187 | 109 | int64_t ratio; |
1ea879e5 | 110 | struct st_sample *buf; |
fb065187 | 111 | void *rate; |
7520462b | 112 | size_t total_hw_samples_mixed; |
1d14ffa9 FB |
113 | int active; |
114 | int empty; | |
115 | HWVoiceOut *hw; | |
116 | char *name; | |
1ea879e5 | 117 | struct mixeng_volume vol; |
1d14ffa9 | 118 | struct audio_callback callback; |
72cf2d4f | 119 | QLIST_ENTRY (SWVoiceOut) entries; |
1d14ffa9 | 120 | }; |
fb065187 | 121 | |
1d14ffa9 | 122 | struct SWVoiceIn { |
1a7dafce | 123 | QEMUSoundCard *card; |
526fb058 | 124 | AudioState *s; |
fb065187 | 125 | int active; |
1d14ffa9 FB |
126 | struct audio_pcm_info info; |
127 | int64_t ratio; | |
128 | void *rate; | |
7520462b | 129 | size_t 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 | 135 | struct audio_callback callback; |
72cf2d4f | 136 | QLIST_ENTRY (SWVoiceIn) entries; |
fb065187 FB |
137 | }; |
138 | ||
d3893a39 | 139 | typedef struct audio_driver audio_driver; |
c0fe3827 FB |
140 | struct audio_driver { |
141 | const char *name; | |
142 | const char *descr; | |
71830221 | 143 | void *(*init) (Audiodev *); |
c0fe3827 | 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; | |
c01b2456 | 151 | int ctl_caps; |
d3893a39 | 152 | QLIST_ENTRY(audio_driver) next; |
c0fe3827 FB |
153 | }; |
154 | ||
1d14ffa9 | 155 | struct audio_pcm_ops { |
ff095e52 KZ |
156 | int (*init_out)(HWVoiceOut *hw, audsettings *as, void *drv_opaque); |
157 | void (*fini_out)(HWVoiceOut *hw); | |
ff095e52 KZ |
158 | size_t (*write) (HWVoiceOut *hw, void *buf, size_t size); |
159 | /* | |
160 | * get a buffer that after later can be passed to put_buffer_out; optional | |
161 | * returns the buffer, and writes it's size to size (in bytes) | |
162 | * this is unrelated to the above buffer_size_out function | |
163 | */ | |
164 | void *(*get_buffer_out)(HWVoiceOut *hw, size_t *size); | |
165 | /* | |
166 | * put back the buffer returned by get_buffer_out; optional | |
167 | * buf must be equal the pointer returned by get_buffer_out, | |
168 | * size may be smaller | |
169 | */ | |
170 | size_t (*put_buffer_out)(HWVoiceOut *hw, void *buf, size_t size); | |
171 | int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); | |
172 | ||
173 | int (*init_in) (HWVoiceIn *hw, audsettings *as, void *drv_opaque); | |
174 | void (*fini_in) (HWVoiceIn *hw); | |
ff095e52 KZ |
175 | size_t (*read) (HWVoiceIn *hw, void *buf, size_t size); |
176 | void *(*get_buffer_in)(HWVoiceIn *hw, size_t *size); | |
177 | void (*put_buffer_in)(HWVoiceIn *hw, void *buf, size_t size); | |
178 | int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); | |
fb065187 FB |
179 | }; |
180 | ||
ff095e52 KZ |
181 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size); |
182 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size); | |
183 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size); | |
184 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size); | |
185 | size_t audio_generic_put_buffer_out_nowrite(HWVoiceOut *hw, void *buf, | |
186 | size_t size); | |
187 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size); | |
188 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size); | |
189 | ||
8ead62cf FB |
190 | struct capture_callback { |
191 | struct audio_capture_ops ops; | |
192 | void *opaque; | |
72cf2d4f | 193 | QLIST_ENTRY (capture_callback) entries; |
8ead62cf FB |
194 | }; |
195 | ||
ec36b695 | 196 | struct CaptureVoiceOut { |
8ead62cf FB |
197 | HWVoiceOut hw; |
198 | void *buf; | |
72cf2d4f BS |
199 | QLIST_HEAD (cb_listhead, capture_callback) cb_head; |
200 | QLIST_ENTRY (CaptureVoiceOut) entries; | |
ec36b695 FB |
201 | }; |
202 | ||
203 | struct SWVoiceCap { | |
204 | SWVoiceOut sw; | |
205 | CaptureVoiceOut *cap; | |
72cf2d4f | 206 | QLIST_ENTRY (SWVoiceCap) entries; |
ec36b695 | 207 | }; |
8ead62cf | 208 | |
fd5283fb | 209 | typedef struct AudioState { |
c0fe3827 | 210 | struct audio_driver *drv; |
71830221 | 211 | Audiodev *dev; |
c0fe3827 FB |
212 | void *drv_opaque; |
213 | ||
214 | QEMUTimer *ts; | |
72cf2d4f BS |
215 | QLIST_HEAD (card_listhead, QEMUSoundCard) card_head; |
216 | QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; | |
217 | QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; | |
218 | QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head; | |
c0fe3827 FB |
219 | int nb_hw_voices_out; |
220 | int nb_hw_voices_in; | |
978dd635 | 221 | int vm_running; |
71830221 | 222 | int64_t period_ticks; |
526fb058 KZ |
223 | |
224 | bool timer_running; | |
225 | uint64_t timer_last; | |
ecd97e95 KZ |
226 | |
227 | QTAILQ_ENTRY(AudioState) list; | |
fd5283fb | 228 | } AudioState; |
c0fe3827 | 229 | |
00e07679 | 230 | extern const struct mixeng_volume nominal_volume; |
c0fe3827 | 231 | |
71830221 KZ |
232 | extern const char *audio_prio_list[]; |
233 | ||
d3893a39 GH |
234 | void audio_driver_register(audio_driver *drv); |
235 | audio_driver *audio_driver_lookup(const char *name); | |
236 | ||
1ea879e5 | 237 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as); |
1d14ffa9 FB |
238 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); |
239 | ||
c0fe3827 FB |
240 | int audio_bug (const char *funcname, int cond); |
241 | void *audio_calloc (const char *funcname, int nmemb, size_t size); | |
242 | ||
18e2c177 | 243 | void audio_run(AudioState *s, const char *msg); |
713a98f8 | 244 | |
857271a2 KZ |
245 | typedef struct RateCtl { |
246 | int64_t start_ticks; | |
247 | int64_t bytes_sent; | |
248 | } RateCtl; | |
249 | ||
250 | void audio_rate_start(RateCtl *rate); | |
251 | size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, | |
252 | size_t bytes_avail); | |
253 | ||
fb065187 FB |
254 | #define VOICE_ENABLE 1 |
255 | #define VOICE_DISABLE 2 | |
6c95ab94 | 256 | #define VOICE_VOLUME 3 |
fb065187 | 257 | |
c01b2456 MAL |
258 | #define VOICE_VOLUME_CAP (1 << VOICE_VOLUME) |
259 | ||
7520462b | 260 | static inline size_t audio_ring_dist(size_t dst, size_t src, size_t len) |
1d14ffa9 FB |
261 | { |
262 | return (dst >= src) ? (dst - src) : (len - src + dst); | |
263 | } | |
264 | ||
87e613ea | 265 | #define dolog(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
1d14ffa9 FB |
266 | |
267 | #ifdef DEBUG | |
87e613ea | 268 | #define ldebug(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
1d14ffa9 | 269 | #else |
87e613ea | 270 | #define ldebug(fmt, ...) (void)0 |
1d14ffa9 | 271 | #endif |
1d14ffa9 FB |
272 | |
273 | #define AUDIO_STRINGIFY_(n) #n | |
274 | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) | |
275 | ||
71830221 KZ |
276 | typedef struct AudiodevListEntry { |
277 | Audiodev *dev; | |
278 | QSIMPLEQ_ENTRY(AudiodevListEntry) next; | |
279 | } AudiodevListEntry; | |
280 | ||
281 | typedef QSIMPLEQ_HEAD(, AudiodevListEntry) AudiodevListHead; | |
282 | AudiodevListHead audio_handle_legacy_opts(void); | |
283 | ||
284 | void audio_free_audiodev_list(AudiodevListHead *head); | |
285 | ||
286 | void audio_create_pdos(Audiodev *dev); | |
287 | AudiodevPerDirectionOptions *audio_get_pdo_in(Audiodev *dev); | |
288 | AudiodevPerDirectionOptions *audio_get_pdo_out(Audiodev *dev); | |
289 | ||
175de524 | 290 | #endif /* QEMU_AUDIO_INT_H */ |