]>
Commit | Line | Data |
---|---|---|
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; | |
2b9cce8c | 46 | int bytes_per_frame; |
1d14ffa9 | 47 | int bytes_per_second; |
d929eba5 | 48 | int swap_endianness; |
1d14ffa9 | 49 | }; |
fb065187 | 50 | |
526fb058 | 51 | typedef struct AudioState AudioState; |
ec36b695 FB |
52 | typedef struct SWVoiceCap SWVoiceCap; |
53 | ||
dc88e38f KZ |
54 | typedef struct STSampleBuffer { |
55 | size_t pos, size; | |
56 | st_sample samples[]; | |
57 | } STSampleBuffer; | |
58 | ||
1d14ffa9 | 59 | typedef struct HWVoiceOut { |
526fb058 | 60 | AudioState *s; |
fb065187 | 61 | int enabled; |
713a98f8 | 62 | int poll_mode; |
fb065187 | 63 | int pending_disable; |
1d14ffa9 | 64 | struct audio_pcm_info info; |
fb065187 FB |
65 | |
66 | f_sample *clip; | |
1d14ffa9 | 67 | uint64_t ts_helper; |
fb065187 | 68 | |
dc88e38f | 69 | STSampleBuffer *mix_buf; |
ff095e52 KZ |
70 | void *buf_emul; |
71 | size_t pos_emul, pending_emul, size_emul; | |
fb065187 | 72 | |
7520462b | 73 | size_t samples; |
72cf2d4f BS |
74 | QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
75 | QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head; | |
35f4b58c | 76 | struct audio_pcm_ops *pcm_ops; |
72cf2d4f | 77 | QLIST_ENTRY (HWVoiceOut) entries; |
1d14ffa9 | 78 | } HWVoiceOut; |
fb065187 | 79 | |
1d14ffa9 | 80 | typedef struct HWVoiceIn { |
526fb058 | 81 | AudioState *s; |
1d14ffa9 | 82 | int enabled; |
713a98f8 | 83 | int poll_mode; |
1d14ffa9 FB |
84 | struct audio_pcm_info info; |
85 | ||
86 | t_sample *conv; | |
7372f88d | 87 | |
7520462b | 88 | size_t total_samples_captured; |
1d14ffa9 | 89 | uint64_t ts_helper; |
fb065187 | 90 | |
dc88e38f | 91 | STSampleBuffer *conv_buf; |
ff095e52 KZ |
92 | void *buf_emul; |
93 | size_t pos_emul, pending_emul, size_emul; | |
fb065187 | 94 | |
7520462b | 95 | size_t samples; |
72cf2d4f | 96 | QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; |
35f4b58c | 97 | struct audio_pcm_ops *pcm_ops; |
72cf2d4f | 98 | QLIST_ENTRY (HWVoiceIn) entries; |
1d14ffa9 | 99 | } HWVoiceIn; |
fb065187 | 100 | |
1d14ffa9 | 101 | struct SWVoiceOut { |
1a7dafce | 102 | QEMUSoundCard *card; |
526fb058 | 103 | AudioState *s; |
1d14ffa9 | 104 | struct audio_pcm_info info; |
fb065187 | 105 | t_sample *conv; |
fb065187 | 106 | int64_t ratio; |
1ea879e5 | 107 | struct st_sample *buf; |
fb065187 | 108 | void *rate; |
7520462b | 109 | size_t total_hw_samples_mixed; |
1d14ffa9 FB |
110 | int active; |
111 | int empty; | |
112 | HWVoiceOut *hw; | |
113 | char *name; | |
1ea879e5 | 114 | struct mixeng_volume vol; |
1d14ffa9 | 115 | struct audio_callback callback; |
72cf2d4f | 116 | QLIST_ENTRY (SWVoiceOut) entries; |
1d14ffa9 | 117 | }; |
fb065187 | 118 | |
1d14ffa9 | 119 | struct SWVoiceIn { |
1a7dafce | 120 | QEMUSoundCard *card; |
526fb058 | 121 | AudioState *s; |
fb065187 | 122 | int active; |
1d14ffa9 FB |
123 | struct audio_pcm_info info; |
124 | int64_t ratio; | |
125 | void *rate; | |
7520462b | 126 | size_t total_hw_samples_acquired; |
1ea879e5 | 127 | struct st_sample *buf; |
1d14ffa9 FB |
128 | f_sample *clip; |
129 | HWVoiceIn *hw; | |
fb065187 | 130 | char *name; |
1ea879e5 | 131 | struct mixeng_volume vol; |
1d14ffa9 | 132 | struct audio_callback callback; |
72cf2d4f | 133 | QLIST_ENTRY (SWVoiceIn) entries; |
fb065187 FB |
134 | }; |
135 | ||
d3893a39 | 136 | typedef struct audio_driver audio_driver; |
c0fe3827 FB |
137 | struct audio_driver { |
138 | const char *name; | |
139 | const char *descr; | |
71830221 | 140 | void *(*init) (Audiodev *); |
c0fe3827 | 141 | void (*fini) (void *); |
35f4b58c | 142 | struct audio_pcm_ops *pcm_ops; |
c0fe3827 FB |
143 | int can_be_default; |
144 | int max_voices_out; | |
145 | int max_voices_in; | |
146 | int voice_size_out; | |
147 | int voice_size_in; | |
d3893a39 | 148 | QLIST_ENTRY(audio_driver) next; |
c0fe3827 FB |
149 | }; |
150 | ||
1d14ffa9 | 151 | struct audio_pcm_ops { |
ff095e52 KZ |
152 | int (*init_out)(HWVoiceOut *hw, audsettings *as, void *drv_opaque); |
153 | void (*fini_out)(HWVoiceOut *hw); | |
ff095e52 KZ |
154 | size_t (*write) (HWVoiceOut *hw, void *buf, size_t size); |
155 | /* | |
156 | * get a buffer that after later can be passed to put_buffer_out; optional | |
157 | * returns the buffer, and writes it's size to size (in bytes) | |
158 | * this is unrelated to the above buffer_size_out function | |
159 | */ | |
160 | void *(*get_buffer_out)(HWVoiceOut *hw, size_t *size); | |
161 | /* | |
162 | * put back the buffer returned by get_buffer_out; optional | |
163 | * buf must be equal the pointer returned by get_buffer_out, | |
164 | * size may be smaller | |
165 | */ | |
166 | size_t (*put_buffer_out)(HWVoiceOut *hw, void *buf, size_t size); | |
571a8c52 | 167 | void (*enable_out)(HWVoiceOut *hw, bool enable); |
cecc1e79 | 168 | void (*volume_out)(HWVoiceOut *hw, Volume *vol); |
ff095e52 KZ |
169 | |
170 | int (*init_in) (HWVoiceIn *hw, audsettings *as, void *drv_opaque); | |
171 | void (*fini_in) (HWVoiceIn *hw); | |
ff095e52 KZ |
172 | size_t (*read) (HWVoiceIn *hw, void *buf, size_t size); |
173 | void *(*get_buffer_in)(HWVoiceIn *hw, size_t *size); | |
174 | void (*put_buffer_in)(HWVoiceIn *hw, void *buf, size_t size); | |
571a8c52 | 175 | void (*enable_in)(HWVoiceIn *hw, bool enable); |
cecc1e79 | 176 | void (*volume_in)(HWVoiceIn *hw, Volume *vol); |
fb065187 FB |
177 | }; |
178 | ||
ff095e52 KZ |
179 | void *audio_generic_get_buffer_in(HWVoiceIn *hw, size_t *size); |
180 | void audio_generic_put_buffer_in(HWVoiceIn *hw, void *buf, size_t size); | |
181 | void *audio_generic_get_buffer_out(HWVoiceOut *hw, size_t *size); | |
182 | size_t audio_generic_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size); | |
183 | size_t audio_generic_put_buffer_out_nowrite(HWVoiceOut *hw, void *buf, | |
184 | size_t size); | |
185 | size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size); | |
186 | size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size); | |
187 | ||
8ead62cf FB |
188 | struct capture_callback { |
189 | struct audio_capture_ops ops; | |
190 | void *opaque; | |
72cf2d4f | 191 | QLIST_ENTRY (capture_callback) entries; |
8ead62cf FB |
192 | }; |
193 | ||
ec36b695 | 194 | struct CaptureVoiceOut { |
8ead62cf FB |
195 | HWVoiceOut hw; |
196 | void *buf; | |
72cf2d4f BS |
197 | QLIST_HEAD (cb_listhead, capture_callback) cb_head; |
198 | QLIST_ENTRY (CaptureVoiceOut) entries; | |
ec36b695 FB |
199 | }; |
200 | ||
201 | struct SWVoiceCap { | |
202 | SWVoiceOut sw; | |
203 | CaptureVoiceOut *cap; | |
72cf2d4f | 204 | QLIST_ENTRY (SWVoiceCap) entries; |
ec36b695 | 205 | }; |
8ead62cf | 206 | |
fd5283fb | 207 | typedef struct AudioState { |
c0fe3827 | 208 | struct audio_driver *drv; |
71830221 | 209 | Audiodev *dev; |
c0fe3827 FB |
210 | void *drv_opaque; |
211 | ||
212 | QEMUTimer *ts; | |
72cf2d4f BS |
213 | QLIST_HEAD (card_listhead, QEMUSoundCard) card_head; |
214 | QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; | |
215 | QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; | |
216 | QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head; | |
c0fe3827 FB |
217 | int nb_hw_voices_out; |
218 | int nb_hw_voices_in; | |
978dd635 | 219 | int vm_running; |
71830221 | 220 | int64_t period_ticks; |
526fb058 KZ |
221 | |
222 | bool timer_running; | |
223 | uint64_t timer_last; | |
ecd97e95 KZ |
224 | |
225 | QTAILQ_ENTRY(AudioState) list; | |
fd5283fb | 226 | } AudioState; |
c0fe3827 | 227 | |
00e07679 | 228 | extern const struct mixeng_volume nominal_volume; |
c0fe3827 | 229 | |
71830221 KZ |
230 | extern const char *audio_prio_list[]; |
231 | ||
d3893a39 GH |
232 | void audio_driver_register(audio_driver *drv); |
233 | audio_driver *audio_driver_lookup(const char *name); | |
234 | ||
1ea879e5 | 235 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as); |
1d14ffa9 FB |
236 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); |
237 | ||
c0fe3827 FB |
238 | int audio_bug (const char *funcname, int cond); |
239 | void *audio_calloc (const char *funcname, int nmemb, size_t size); | |
240 | ||
18e2c177 | 241 | void audio_run(AudioState *s, const char *msg); |
713a98f8 | 242 | |
857271a2 KZ |
243 | typedef struct RateCtl { |
244 | int64_t start_ticks; | |
245 | int64_t bytes_sent; | |
246 | } RateCtl; | |
247 | ||
248 | void audio_rate_start(RateCtl *rate); | |
249 | size_t audio_rate_get_bytes(struct audio_pcm_info *info, RateCtl *rate, | |
250 | size_t bytes_avail); | |
251 | ||
7520462b | 252 | static inline size_t audio_ring_dist(size_t dst, size_t src, size_t len) |
1d14ffa9 FB |
253 | { |
254 | return (dst >= src) ? (dst - src) : (len - src + dst); | |
255 | } | |
256 | ||
87e613ea | 257 | #define dolog(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
1d14ffa9 FB |
258 | |
259 | #ifdef DEBUG | |
87e613ea | 260 | #define ldebug(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
1d14ffa9 | 261 | #else |
87e613ea | 262 | #define ldebug(fmt, ...) (void)0 |
1d14ffa9 | 263 | #endif |
1d14ffa9 FB |
264 | |
265 | #define AUDIO_STRINGIFY_(n) #n | |
266 | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) | |
267 | ||
71830221 KZ |
268 | typedef struct AudiodevListEntry { |
269 | Audiodev *dev; | |
270 | QSIMPLEQ_ENTRY(AudiodevListEntry) next; | |
271 | } AudiodevListEntry; | |
272 | ||
273 | typedef QSIMPLEQ_HEAD(, AudiodevListEntry) AudiodevListHead; | |
274 | AudiodevListHead audio_handle_legacy_opts(void); | |
275 | ||
276 | void audio_free_audiodev_list(AudiodevListHead *head); | |
277 | ||
278 | void audio_create_pdos(Audiodev *dev); | |
279 | AudiodevPerDirectionOptions *audio_get_pdo_in(Audiodev *dev); | |
280 | AudiodevPerDirectionOptions *audio_get_pdo_out(Audiodev *dev); | |
281 | ||
175de524 | 282 | #endif /* QEMU_AUDIO_INT_H */ |