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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; | |
47 | int *overridenp; | |
48 | int overriden; | |
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; | |
64 | int swap_endian; | |
65 | }; | |
fb065187 | 66 | |
1d14ffa9 | 67 | typedef struct HWVoiceOut { |
fb065187 FB |
68 | int enabled; |
69 | int pending_disable; | |
70 | int valid; | |
1d14ffa9 | 71 | struct audio_pcm_info info; |
fb065187 FB |
72 | |
73 | f_sample *clip; | |
fb065187 FB |
74 | |
75 | int rpos; | |
1d14ffa9 | 76 | uint64_t ts_helper; |
fb065187 | 77 | |
fb065187 FB |
78 | st_sample_t *mix_buf; |
79 | ||
80 | int samples; | |
1d14ffa9 FB |
81 | LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
82 | struct audio_pcm_ops *pcm_ops; | |
83 | LIST_ENTRY (HWVoiceOut) entries; | |
84 | } HWVoiceOut; | |
fb065187 | 85 | |
1d14ffa9 FB |
86 | typedef struct HWVoiceIn { |
87 | int enabled; | |
1d14ffa9 FB |
88 | struct audio_pcm_info info; |
89 | ||
90 | t_sample *conv; | |
7372f88d | 91 | |
1d14ffa9 | 92 | int wpos; |
1d14ffa9 FB |
93 | int total_samples_captured; |
94 | uint64_t ts_helper; | |
fb065187 | 95 | |
1d14ffa9 | 96 | st_sample_t *conv_buf; |
fb065187 | 97 | |
1d14ffa9 FB |
98 | int samples; |
99 | LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; | |
100 | struct audio_pcm_ops *pcm_ops; | |
101 | LIST_ENTRY (HWVoiceIn) entries; | |
102 | } HWVoiceIn; | |
fb065187 | 103 | |
1d14ffa9 FB |
104 | struct SWVoiceOut { |
105 | struct audio_pcm_info info; | |
fb065187 | 106 | t_sample *conv; |
fb065187 FB |
107 | int64_t ratio; |
108 | st_sample_t *buf; | |
109 | void *rate; | |
1d14ffa9 FB |
110 | int total_hw_samples_mixed; |
111 | int active; | |
112 | int empty; | |
113 | HWVoiceOut *hw; | |
114 | char *name; | |
115 | volume_t vol; | |
116 | struct audio_callback callback; | |
117 | LIST_ENTRY (SWVoiceOut) entries; | |
118 | }; | |
fb065187 | 119 | |
1d14ffa9 | 120 | struct SWVoiceIn { |
fb065187 | 121 | int active; |
1d14ffa9 FB |
122 | struct audio_pcm_info info; |
123 | int64_t ratio; | |
124 | void *rate; | |
125 | int total_hw_samples_acquired; | |
571ec3d6 | 126 | st_sample_t *buf; |
1d14ffa9 FB |
127 | f_sample *clip; |
128 | HWVoiceIn *hw; | |
fb065187 | 129 | char *name; |
1d14ffa9 FB |
130 | volume_t vol; |
131 | struct audio_callback callback; | |
132 | LIST_ENTRY (SWVoiceIn) entries; | |
fb065187 FB |
133 | }; |
134 | ||
c0fe3827 FB |
135 | struct audio_driver { |
136 | const char *name; | |
137 | const char *descr; | |
138 | struct audio_option *options; | |
139 | void *(*init) (void); | |
140 | void (*fini) (void *); | |
141 | struct audio_pcm_ops *pcm_ops; | |
142 | int can_be_default; | |
143 | int max_voices_out; | |
144 | int max_voices_in; | |
145 | int voice_size_out; | |
146 | int voice_size_in; | |
147 | }; | |
148 | ||
1d14ffa9 | 149 | struct audio_pcm_ops { |
c0fe3827 | 150 | int (*init_out)(HWVoiceOut *hw, audsettings_t *as); |
1d14ffa9 FB |
151 | void (*fini_out)(HWVoiceOut *hw); |
152 | int (*run_out) (HWVoiceOut *hw); | |
153 | int (*write) (SWVoiceOut *sw, void *buf, int size); | |
154 | int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); | |
155 | ||
c0fe3827 | 156 | int (*init_in) (HWVoiceIn *hw, audsettings_t *as); |
1d14ffa9 FB |
157 | void (*fini_in) (HWVoiceIn *hw); |
158 | int (*run_in) (HWVoiceIn *hw); | |
159 | int (*read) (SWVoiceIn *sw, void *buf, int size); | |
160 | int (*ctl_in) (HWVoiceIn *hw, int cmd, ...); | |
fb065187 FB |
161 | }; |
162 | ||
c0fe3827 FB |
163 | struct AudioState { |
164 | struct audio_driver *drv; | |
165 | void *drv_opaque; | |
166 | ||
167 | QEMUTimer *ts; | |
168 | LIST_HEAD (card_head, QEMUSoundCard) card_head; | |
169 | LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; | |
170 | LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; | |
171 | int nb_hw_voices_out; | |
172 | int nb_hw_voices_in; | |
173 | }; | |
174 | ||
175 | extern struct audio_driver no_audio_driver; | |
176 | extern struct audio_driver oss_audio_driver; | |
177 | extern struct audio_driver sdl_audio_driver; | |
178 | extern struct audio_driver wav_audio_driver; | |
179 | extern struct audio_driver fmod_audio_driver; | |
180 | extern struct audio_driver alsa_audio_driver; | |
181 | extern struct audio_driver coreaudio_audio_driver; | |
182 | extern struct audio_driver dsound_audio_driver; | |
183 | extern volume_t nominal_volume; | |
184 | ||
185 | void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as, | |
186 | int swap_endian); | |
1d14ffa9 FB |
187 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); |
188 | ||
189 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len); | |
190 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw); | |
191 | ||
192 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len); | |
193 | int audio_pcm_hw_get_live_out (HWVoiceOut *hw); | |
194 | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live); | |
fb065187 | 195 | |
c0fe3827 FB |
196 | int audio_bug (const char *funcname, int cond); |
197 | void *audio_calloc (const char *funcname, int nmemb, size_t size); | |
198 | ||
fb065187 FB |
199 | #define VOICE_ENABLE 1 |
200 | #define VOICE_DISABLE 2 | |
201 | ||
1d14ffa9 FB |
202 | static inline int audio_ring_dist (int dst, int src, int len) |
203 | { | |
204 | return (dst >= src) ? (dst - src) : (len - src + dst); | |
205 | } | |
206 | ||
207 | static inline int audio_need_to_swap_endian (int endianness) | |
208 | { | |
209 | #ifdef WORDS_BIGENDIAN | |
210 | return endianness != 1; | |
211 | #else | |
212 | return endianness != 0; | |
213 | #endif | |
214 | } | |
215 | ||
216 | #if defined __GNUC__ | |
217 | #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2))) | |
218 | #define INIT_FIELD(f) . f | |
4787c71d | 219 | #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m))) |
1d14ffa9 FB |
220 | #else |
221 | #define GCC_ATTR /**/ | |
222 | #define INIT_FIELD(f) /**/ | |
223 | #define GCC_FMT_ATTR(n, m) | |
224 | #endif | |
225 | ||
226 | static void GCC_ATTR dolog (const char *fmt, ...) | |
227 | { | |
228 | va_list ap; | |
229 | ||
230 | va_start (ap, fmt); | |
231 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
232 | va_end (ap); | |
233 | } | |
234 | ||
235 | #ifdef DEBUG | |
236 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
237 | { | |
238 | va_list ap; | |
239 | ||
240 | va_start (ap, fmt); | |
241 | AUD_vlog (AUDIO_CAP, fmt, ap); | |
242 | va_end (ap); | |
243 | } | |
244 | #else | |
245 | #if defined NDEBUG && defined __GNUC__ | |
246 | #define ldebug(...) | |
247 | #elif defined NDEBUG && defined _MSC_VER | |
248 | #define ldebug __noop | |
249 | #else | |
250 | static void GCC_ATTR ldebug (const char *fmt, ...) | |
251 | { | |
252 | (void) fmt; | |
253 | } | |
254 | #endif | |
255 | #endif | |
256 | ||
257 | #undef GCC_ATTR | |
258 | ||
259 | #define AUDIO_STRINGIFY_(n) #n | |
260 | #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) | |
261 | ||
262 | #if defined _MSC_VER || defined __GNUC__ | |
263 | #define AUDIO_FUNC __FUNCTION__ | |
264 | #else | |
265 | #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__) | |
266 | #endif | |
267 | ||
fb065187 | 268 | #endif /* audio_int.h */ |