bios: Fix multiple calls into smbios_load_ex
[qemu.git] / audio / audio_int.h
blob0abed38ec4cbbc719e090ef1cc5ff96564c45f36
1 /*
2 * QEMU Audio subsystem header
4 * Copyright (c) 2003-2005 Vassili Karpov (malc)
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #ifndef QEMU_AUDIO_INT_H
25 #define QEMU_AUDIO_INT_H
27 #ifdef CONFIG_COREAUDIO
28 #define FLOAT_MIXENG
29 /* #define RECIPROCAL */
30 #endif
31 #include "mixeng.h"
33 struct audio_pcm_ops;
35 typedef enum {
36 AUD_OPT_INT,
37 AUD_OPT_FMT,
38 AUD_OPT_STR,
39 AUD_OPT_BOOL
40 } audio_option_tag_e;
42 struct audio_option {
43 const char *name;
44 audio_option_tag_e tag;
45 void *valp;
46 const char *descr;
47 int *overriddenp;
48 int overridden;
51 struct audio_callback {
52 void *opaque;
53 audio_callback_fn_t fn;
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_endianness;
67 typedef struct SWVoiceCap SWVoiceCap;
69 typedef struct HWVoiceOut {
70 int enabled;
71 int pending_disable;
72 struct audio_pcm_info info;
74 f_sample *clip;
76 int rpos;
77 uint64_t ts_helper;
79 struct st_sample *mix_buf;
81 int samples;
82 LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
83 LIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
84 struct audio_pcm_ops *pcm_ops;
85 LIST_ENTRY (HWVoiceOut) entries;
86 } HWVoiceOut;
88 typedef struct HWVoiceIn {
89 int enabled;
90 struct audio_pcm_info info;
92 t_sample *conv;
94 int wpos;
95 int total_samples_captured;
96 uint64_t ts_helper;
98 struct st_sample *conv_buf;
100 int samples;
101 LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
102 struct audio_pcm_ops *pcm_ops;
103 LIST_ENTRY (HWVoiceIn) entries;
104 } HWVoiceIn;
106 struct SWVoiceOut {
107 QEMUSoundCard *card;
108 struct audio_pcm_info info;
109 t_sample *conv;
110 int64_t ratio;
111 struct st_sample *buf;
112 void *rate;
113 int total_hw_samples_mixed;
114 int active;
115 int empty;
116 HWVoiceOut *hw;
117 char *name;
118 struct mixeng_volume vol;
119 struct audio_callback callback;
120 LIST_ENTRY (SWVoiceOut) entries;
123 struct SWVoiceIn {
124 QEMUSoundCard *card;
125 int active;
126 struct audio_pcm_info info;
127 int64_t ratio;
128 void *rate;
129 int total_hw_samples_acquired;
130 struct st_sample *buf;
131 f_sample *clip;
132 HWVoiceIn *hw;
133 char *name;
134 struct mixeng_volume vol;
135 struct audio_callback callback;
136 LIST_ENTRY (SWVoiceIn) entries;
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 *);
145 struct audio_pcm_ops *pcm_ops;
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;
153 struct audio_pcm_ops {
154 int (*init_out)(HWVoiceOut *hw, struct audsettings *as);
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, ...);
160 int (*init_in) (HWVoiceIn *hw, struct audsettings *as);
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, ...);
167 struct capture_callback {
168 struct audio_capture_ops ops;
169 void *opaque;
170 LIST_ENTRY (capture_callback) entries;
173 struct CaptureVoiceOut {
174 HWVoiceOut hw;
175 void *buf;
176 LIST_HEAD (cb_listhead, capture_callback) cb_head;
177 LIST_ENTRY (CaptureVoiceOut) entries;
180 struct SWVoiceCap {
181 SWVoiceOut sw;
182 CaptureVoiceOut *cap;
183 LIST_ENTRY (SWVoiceCap) entries;
186 struct AudioState {
187 struct audio_driver *drv;
188 void *drv_opaque;
190 QEMUTimer *ts;
191 LIST_HEAD (card_listhead, QEMUSoundCard) card_head;
192 LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
193 LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
194 LIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
195 int nb_hw_voices_out;
196 int nb_hw_voices_in;
197 int vm_running;
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;
208 extern struct audio_driver esd_audio_driver;
209 extern struct audio_driver pa_audio_driver;
210 extern struct mixeng_volume nominal_volume;
212 void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
213 void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
215 int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
216 int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
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);
222 int audio_bug (const char *funcname, int cond);
223 void *audio_calloc (const char *funcname, int nmemb, size_t size);
225 #define VOICE_ENABLE 1
226 #define VOICE_DISABLE 2
228 static inline int audio_ring_dist (int dst, int src, int len)
230 return (dst >= src) ? (dst - src) : (len - src + dst);
233 #if defined __GNUC__
234 #define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2)))
235 #define INIT_FIELD(f) . f
236 #define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m)))
237 #else
238 #define GCC_ATTR /**/
239 #define INIT_FIELD(f) /**/
240 #define GCC_FMT_ATTR(n, m)
241 #endif
243 static void GCC_ATTR dolog (const char *fmt, ...)
245 va_list ap;
247 va_start (ap, fmt);
248 AUD_vlog (AUDIO_CAP, fmt, ap);
249 va_end (ap);
252 #ifdef DEBUG
253 static void GCC_ATTR ldebug (const char *fmt, ...)
255 va_list ap;
257 va_start (ap, fmt);
258 AUD_vlog (AUDIO_CAP, fmt, ap);
259 va_end (ap);
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, ...)
269 (void) fmt;
271 #endif
272 #endif
274 #undef GCC_ATTR
276 #define AUDIO_STRINGIFY_(n) #n
277 #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
279 #if defined _MSC_VER || defined __GNUC__
280 #define AUDIO_FUNC __FUNCTION__
281 #else
282 #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
283 #endif
285 #endif /* audio_int.h */