hw/arm/virt: parameter passing cleanups
[qemu.git] / audio / audio_int.h
1 /*
2 * QEMU Audio subsystem header
3 *
4 * Copyright (c) 2003-2005 Vassili Karpov (malc)
5 *
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
25 #ifndef QEMU_AUDIO_INT_H
26 #define QEMU_AUDIO_INT_H
27
28 #ifdef CONFIG_COREAUDIO
29 #define FLOAT_MIXENG
30 /* #define RECIPROCAL */
31 #endif
32 #include "mixeng.h"
33
34 struct audio_pcm_ops;
35
36 typedef enum {
37 AUD_OPT_INT,
38 AUD_OPT_FMT,
39 AUD_OPT_STR,
40 AUD_OPT_BOOL
41 } audio_option_tag_e;
42
43 struct audio_option {
44 const char *name;
45 audio_option_tag_e tag;
46 void *valp;
47 const char *descr;
48 int *overriddenp;
49 int overridden;
50 };
51
52 struct audio_callback {
53 void *opaque;
54 audio_callback_fn fn;
55 };
56
57 struct audio_pcm_info {
58 int bits;
59 int sign;
60 int freq;
61 int nchannels;
62 int align;
63 int shift;
64 int bytes_per_second;
65 int swap_endianness;
66 };
67
68 typedef struct SWVoiceCap SWVoiceCap;
69
70 typedef struct HWVoiceOut {
71 int enabled;
72 int poll_mode;
73 int pending_disable;
74 struct audio_pcm_info info;
75
76 f_sample *clip;
77
78 int rpos;
79 uint64_t ts_helper;
80
81 struct st_sample *mix_buf;
82
83 int samples;
84 QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
85 QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
86 int ctl_caps;
87 struct audio_pcm_ops *pcm_ops;
88 QLIST_ENTRY (HWVoiceOut) entries;
89 } HWVoiceOut;
90
91 typedef struct HWVoiceIn {
92 int enabled;
93 int poll_mode;
94 struct audio_pcm_info info;
95
96 t_sample *conv;
97
98 int wpos;
99 int total_samples_captured;
100 uint64_t ts_helper;
101
102 struct st_sample *conv_buf;
103
104 int samples;
105 QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
106 int ctl_caps;
107 struct audio_pcm_ops *pcm_ops;
108 QLIST_ENTRY (HWVoiceIn) entries;
109 } HWVoiceIn;
110
111 struct SWVoiceOut {
112 QEMUSoundCard *card;
113 struct audio_pcm_info info;
114 t_sample *conv;
115 int64_t ratio;
116 struct st_sample *buf;
117 void *rate;
118 int total_hw_samples_mixed;
119 int active;
120 int empty;
121 HWVoiceOut *hw;
122 char *name;
123 struct mixeng_volume vol;
124 struct audio_callback callback;
125 QLIST_ENTRY (SWVoiceOut) entries;
126 };
127
128 struct SWVoiceIn {
129 QEMUSoundCard *card;
130 int active;
131 struct audio_pcm_info info;
132 int64_t ratio;
133 void *rate;
134 int total_hw_samples_acquired;
135 struct st_sample *buf;
136 f_sample *clip;
137 HWVoiceIn *hw;
138 char *name;
139 struct mixeng_volume vol;
140 struct audio_callback callback;
141 QLIST_ENTRY (SWVoiceIn) entries;
142 };
143
144 struct audio_driver {
145 const char *name;
146 const char *descr;
147 struct audio_option *options;
148 void *(*init) (void);
149 void (*fini) (void *);
150 struct audio_pcm_ops *pcm_ops;
151 int can_be_default;
152 int max_voices_out;
153 int max_voices_in;
154 int voice_size_out;
155 int voice_size_in;
156 int ctl_caps;
157 };
158
159 struct audio_pcm_ops {
160 int (*init_out)(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque);
161 void (*fini_out)(HWVoiceOut *hw);
162 int (*run_out) (HWVoiceOut *hw, int live);
163 int (*write) (SWVoiceOut *sw, void *buf, int size);
164 int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
165
166 int (*init_in) (HWVoiceIn *hw, struct audsettings *as, void *drv_opaque);
167 void (*fini_in) (HWVoiceIn *hw);
168 int (*run_in) (HWVoiceIn *hw);
169 int (*read) (SWVoiceIn *sw, void *buf, int size);
170 int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
171 };
172
173 struct capture_callback {
174 struct audio_capture_ops ops;
175 void *opaque;
176 QLIST_ENTRY (capture_callback) entries;
177 };
178
179 struct CaptureVoiceOut {
180 HWVoiceOut hw;
181 void *buf;
182 QLIST_HEAD (cb_listhead, capture_callback) cb_head;
183 QLIST_ENTRY (CaptureVoiceOut) entries;
184 };
185
186 struct SWVoiceCap {
187 SWVoiceOut sw;
188 CaptureVoiceOut *cap;
189 QLIST_ENTRY (SWVoiceCap) entries;
190 };
191
192 struct AudioState {
193 struct audio_driver *drv;
194 void *drv_opaque;
195
196 QEMUTimer *ts;
197 QLIST_HEAD (card_listhead, QEMUSoundCard) card_head;
198 QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
199 QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
200 QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
201 int nb_hw_voices_out;
202 int nb_hw_voices_in;
203 int vm_running;
204 };
205
206 extern struct audio_driver no_audio_driver;
207 extern struct audio_driver oss_audio_driver;
208 extern struct audio_driver sdl_audio_driver;
209 extern struct audio_driver wav_audio_driver;
210 extern struct audio_driver alsa_audio_driver;
211 extern struct audio_driver coreaudio_audio_driver;
212 extern struct audio_driver dsound_audio_driver;
213 extern struct audio_driver pa_audio_driver;
214 extern struct audio_driver spice_audio_driver;
215 extern const struct mixeng_volume nominal_volume;
216
217 void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
218 void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
219
220 int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
221 int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
222
223 int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
224
225 int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
226 int live, int pending);
227
228 int audio_bug (const char *funcname, int cond);
229 void *audio_calloc (const char *funcname, int nmemb, size_t size);
230
231 void audio_run (const char *msg);
232
233 #define VOICE_ENABLE 1
234 #define VOICE_DISABLE 2
235 #define VOICE_VOLUME 3
236
237 #define VOICE_VOLUME_CAP (1 << VOICE_VOLUME)
238
239 static inline int audio_ring_dist (int dst, int src, int len)
240 {
241 return (dst >= src) ? (dst - src) : (len - src + dst);
242 }
243
244 #define dolog(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__)
245
246 #ifdef DEBUG
247 #define ldebug(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__)
248 #else
249 #define ldebug(fmt, ...) (void)0
250 #endif
251
252 #define AUDIO_STRINGIFY_(n) #n
253 #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
254
255 #if defined _MSC_VER || defined __GNUC__
256 #define AUDIO_FUNC __FUNCTION__
257 #else
258 #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
259 #endif
260
261 #endif /* QEMU_AUDIO_INT_H */