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