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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 | #include "sys-queue.h" |
28 | ||
29 | #ifdef CONFIG_COREAUDIO | |
30 | #define FLOAT_MIXENG | |
31 | /* #define RECIPROCAL */ | |
32 | #endif | |
33 | #include "mixeng.h" | |
34 | ||
35 | int audio_bug (const char *funcname, int cond); | |
36 | ||
37 | struct audio_pcm_ops; | |
38 | ||
39 | typedef enum { | |
40 | AUD_OPT_INT, | |
41 | AUD_OPT_FMT, | |
42 | AUD_OPT_STR, | |
43 | AUD_OPT_BOOL | |
44 | } audio_option_tag_e; | |
45 | ||
46 | struct audio_option { | |
47 | const char *name; | |
48 | audio_option_tag_e tag; | |
49 | void *valp; | |
50 | const char *descr; | |
51 | int *overridenp; | |
52 | int overriden; | |
53 | }; | |
54 | ||
55 | struct audio_callback { | |
56 | void *opaque; | |
57 | audio_callback_fn_t fn; | |
58 | }; | |
fb065187 | 59 | |
1d14ffa9 FB |
60 | struct audio_pcm_info { |
61 | int bits; | |
62 | int sign; | |
63 | int freq; | |
64 | int nchannels; | |
65 | int align; | |
66 | int shift; | |
67 | int bytes_per_second; | |
68 | int swap_endian; | |
69 | }; | |
fb065187 | 70 | |
1d14ffa9 | 71 | typedef struct HWVoiceOut { |
fb065187 FB |
72 | int active; |
73 | int enabled; | |
74 | int pending_disable; | |
75 | int valid; | |
1d14ffa9 | 76 | struct audio_pcm_info info; |
fb065187 FB |
77 | |
78 | f_sample *clip; | |
fb065187 FB |
79 | |
80 | int rpos; | |
81 | int bufsize; | |
1d14ffa9 | 82 | uint64_t ts_helper; |
fb065187 | 83 | |
fb065187 FB |
84 | st_sample_t *mix_buf; |
85 | ||
86 | int samples; | |
1d14ffa9 FB |
87 | LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
88 | struct audio_pcm_ops *pcm_ops; | |
89 | LIST_ENTRY (HWVoiceOut) entries; | |
90 | } HWVoiceOut; | |
fb065187 | 91 | |
1d14ffa9 FB |
92 | typedef struct HWVoiceIn { |
93 | int enabled; | |
94 | int active; | |
95 | struct audio_pcm_info info; | |
96 | ||
97 | t_sample *conv; | |
7372f88d | 98 | |
1d14ffa9 FB |
99 | int wpos; |
100 | int bufsize; | |
101 | int total_samples_captured; | |
102 | uint64_t ts_helper; | |
fb065187 | 103 | |
1d14ffa9 | 104 | st_sample_t *conv_buf; |
fb065187 | 105 | |
1d14ffa9 FB |
106 | int samples; |
107 | LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; | |
108 | struct audio_pcm_ops *pcm_ops; | |
109 | LIST_ENTRY (HWVoiceIn) entries; | |
110 | } HWVoiceIn; | |
fb065187 | 111 | |
1d14ffa9 FB |
112 | extern struct audio_driver no_audio_driver; |
113 | extern struct audio_driver oss_audio_driver; | |
114 | extern struct audio_driver sdl_audio_driver; | |
115 | extern struct audio_driver wav_audio_driver; | |
116 | extern struct audio_driver fmod_audio_driver; | |
117 | extern struct audio_driver alsa_audio_driver; | |
118 | extern struct audio_driver coreaudio_audio_driver; | |
119 | extern struct audio_driver dsound_audio_driver; | |
120 | extern volume_t nominal_volume; | |
fb065187 | 121 | |
1d14ffa9 | 122 | struct audio_driver { |
fb065187 | 123 | const char *name; |
1d14ffa9 FB |
124 | const char *descr; |
125 | struct audio_option *options; | |
fb065187 FB |
126 | void *(*init) (void); |
127 | void (*fini) (void *); | |
1d14ffa9 | 128 | struct audio_pcm_ops *pcm_ops; |
fb065187 | 129 | int can_be_default; |
1d14ffa9 FB |
130 | int max_voices_out; |
131 | int max_voices_in; | |
132 | int voice_size_out; | |
133 | int voice_size_in; | |
fb065187 FB |
134 | }; |
135 | ||
136 | typedef struct AudioState { | |
1d14ffa9 FB |
137 | int fixed_settings_out; |
138 | int fixed_freq_out; | |
139 | int fixed_channels_out; | |
140 | int fixed_fmt_out; | |
141 | int nb_hw_voices_out; | |
142 | int greedy_out; | |
143 | ||
144 | int fixed_settings_in; | |
145 | int fixed_freq_in; | |
146 | int fixed_channels_in; | |
147 | int fixed_fmt_in; | |
148 | int nb_hw_voices_in; | |
149 | int greedy_in; | |
150 | ||
fb065187 | 151 | void *opaque; |
1d14ffa9 | 152 | struct audio_driver *drv; |
fb065187 | 153 | |
1d14ffa9 FB |
154 | QEMUTimer *ts; |
155 | union { | |
156 | int usec; | |
157 | int64_t ticks; | |
158 | } period; | |
fb065187 | 159 | |
1d14ffa9 FB |
160 | int plive; |
161 | } AudioState; | |
162 | extern AudioState audio_state; | |
fb065187 | 163 | |
1d14ffa9 FB |
164 | struct SWVoiceOut { |
165 | struct audio_pcm_info info; | |
fb065187 | 166 | t_sample *conv; |
fb065187 FB |
167 | int64_t ratio; |
168 | st_sample_t *buf; | |
169 | void *rate; | |
1d14ffa9 FB |
170 | int total_hw_samples_mixed; |
171 | int active; | |
172 | int empty; | |
173 | HWVoiceOut *hw; | |
174 | char *name; | |
175 | volume_t vol; | |
176 | struct audio_callback callback; | |
177 | LIST_ENTRY (SWVoiceOut) entries; | |
178 | }; | |
fb065187 | 179 | |
1d14ffa9 | 180 | struct SWVoiceIn { |
fb065187 | 181 | int active; |
1d14ffa9 FB |
182 | struct audio_pcm_info info; |
183 | int64_t ratio; | |
184 | void *rate; | |
185 | int total_hw_samples_acquired; | |
186 | st_sample_t *conv_buf; | |
187 | f_sample *clip; | |
188 | HWVoiceIn *hw; | |
fb065187 | 189 | char *name; |
1d14ffa9 FB |
190 | volume_t vol; |
191 | struct audio_callback callback; | |
192 | LIST_ENTRY (SWVoiceIn) entries; | |
fb065187 FB |
193 | }; |
194 | ||
1d14ffa9 FB |
195 | struct audio_pcm_ops { |
196 | int (*init_out)(HWVoiceOut *hw, int freq, int nchannels, audfmt_e fmt); | |
197 | void (*fini_out)(HWVoiceOut *hw); | |
198 | int (*run_out) (HWVoiceOut *hw); | |
199 | int (*write) (SWVoiceOut *sw, void *buf, int size); | |
200 | int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); | |
201 | ||
202 | int (*init_in) (HWVoiceIn *hw, int freq, int nchannels, audfmt_e fmt); | |
203 | void (*fini_in) (HWVoiceIn *hw); | |
204 | int (*run_in) (HWVoiceIn *hw); | |
205 | int (*read) (SWVoiceIn *sw, void *buf, int size); | |
206 | int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); | |
fb065187 FB |
207 | }; |
208 | ||
1d14ffa9 FB |
209 | void audio_pcm_init_info (struct audio_pcm_info *info, int freq, |
210 | int nchannels, audfmt_e fmt, int swap_endian); | |
211 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); | |
212 | ||
213 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len); | |
214 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw); | |
215 | ||
216 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len); | |
217 | int audio_pcm_hw_get_live_out (HWVoiceOut *hw); | |
218 | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live); | |
fb065187 FB |
219 | |
220 | #define VOICE_ENABLE 1 | |
221 | #define VOICE_DISABLE 2 | |
222 | ||
1d14ffa9 FB |
223 | static inline int audio_ring_dist (int dst, int src, int len) |
224 | { | |
225 | return (dst >= src) ? (dst - src) : (len - src + dst); | |
226 | } | |
227 | ||
228 | static inline int audio_need_to_swap_endian (int endianness) | |
229 | { | |
230 | #ifdef WORDS_BIGENDIAN | |
231 | return endianness != 1; | |
232 | #else | |
233 | return endianness != 0; | |
234 | #endif | |
235 | } | |
236 | ||
237 | #if defined __GNUC__ | |
238 | #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2))) | |
239 | #define INIT_FIELD(f) . f | |
240 | #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (printf, n, m))) | |
241 | #else | |
242 | #define GCC_ATTR /**/ | |
243 | #define INIT_FIELD(f) /**/ | |
244 | #define GCC_FMT_ATTR(n, m) | |
245 | #endif | |
246 | ||
247 | static void GCC_ATTR dolog (const char *fmt, ...) | |
248 | { | |
249 | va_list ap; | |
250 | ||
251 | va_start (ap, fmt); | |
252 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
253 | va_end (ap); | |
254 | } | |
255 | ||
256 | #ifdef DEBUG | |
257 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
258 | { | |
259 | va_list ap; | |
260 | ||
261 | va_start (ap, fmt); | |
262 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
263 | va_end (ap); | |
264 | } | |
265 | #else | |
266 | #if defined NDEBUG && defined __GNUC__ | |
267 | #define ldebug(...) | |
268 | #elif defined NDEBUG && defined _MSC_VER | |
269 | #define ldebug __noop | |
270 | #else | |
271 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
272 | { | |
273 | (void) fmt; | |
274 | } | |
275 | #endif | |
276 | #endif | |
277 | ||
278 | #undef GCC_ATTR | |
279 | ||
280 | #define AUDIO_STRINGIFY_(n) #n | |
281 | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) | |
282 | ||
283 | #if defined _MSC_VER || defined __GNUC__ | |
284 | #define AUDIO_FUNC __FUNCTION__ | |
285 | #else | |
286 | #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__) | |
287 | #endif | |
288 | ||
fb065187 | 289 | #endif /* audio_int.h */ |