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1.1 root 1: /*
2: * QEMU Audio subsystem header
1.1.1.2 root 3: *
4: * Copyright (c) 2003-2005 Vassili Karpov (malc)
5: *
1.1 root 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:
1.1.1.2 root 27: #ifdef CONFIG_COREAUDIO
28: #define FLOAT_MIXENG
29: /* #define RECIPROCAL */
30: #endif
31: #include "mixeng.h"
32:
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;
1.1.1.4 root 47: int *overriddenp;
48: int overridden;
1.1.1.2 root 49: };
1.1 root 50:
1.1.1.2 root 51: struct audio_callback {
52: void *opaque;
1.1.1.7 root 53: audio_callback_fn fn;
1.1.1.2 root 54: };
1.1 root 55:
1.1.1.2 root 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;
1.1.1.3 root 64: int swap_endianness;
1.1.1.2 root 65: };
66:
1.1.1.3 root 67: typedef struct SWVoiceCap SWVoiceCap;
68:
1.1.1.2 root 69: typedef struct HWVoiceOut {
1.1 root 70: int enabled;
1.1.1.7 root 71: int poll_mode;
1.1 root 72: int pending_disable;
1.1.1.2 root 73: struct audio_pcm_info info;
1.1 root 74:
75: f_sample *clip;
76:
77: int rpos;
1.1.1.2 root 78: uint64_t ts_helper;
1.1 root 79:
1.1.1.5 root 80: struct st_sample *mix_buf;
1.1 root 81:
82: int samples;
1.1.1.7 root 83: QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
84: QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
1.1.1.2 root 85: struct audio_pcm_ops *pcm_ops;
1.1.1.7 root 86: QLIST_ENTRY (HWVoiceOut) entries;
1.1.1.2 root 87: } HWVoiceOut;
1.1 root 88:
1.1.1.2 root 89: typedef struct HWVoiceIn {
90: int enabled;
1.1.1.7 root 91: int poll_mode;
1.1.1.2 root 92: struct audio_pcm_info info;
1.1 root 93:
1.1.1.2 root 94: t_sample *conv;
1.1 root 95:
1.1.1.2 root 96: int wpos;
97: int total_samples_captured;
98: uint64_t ts_helper;
1.1 root 99:
1.1.1.5 root 100: struct st_sample *conv_buf;
1.1 root 101:
1.1.1.2 root 102: int samples;
1.1.1.7 root 103: QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
1.1.1.2 root 104: struct audio_pcm_ops *pcm_ops;
1.1.1.7 root 105: QLIST_ENTRY (HWVoiceIn) entries;
1.1.1.2 root 106: } HWVoiceIn;
1.1 root 107:
1.1.1.2 root 108: struct SWVoiceOut {
1.1.1.6 root 109: QEMUSoundCard *card;
1.1.1.2 root 110: struct audio_pcm_info info;
1.1 root 111: t_sample *conv;
112: int64_t ratio;
1.1.1.5 root 113: struct st_sample *buf;
1.1 root 114: void *rate;
1.1.1.2 root 115: int total_hw_samples_mixed;
116: int active;
117: int empty;
118: HWVoiceOut *hw;
119: char *name;
1.1.1.5 root 120: struct mixeng_volume vol;
1.1.1.2 root 121: struct audio_callback callback;
1.1.1.7 root 122: QLIST_ENTRY (SWVoiceOut) entries;
1.1.1.2 root 123: };
1.1 root 124:
1.1.1.2 root 125: struct SWVoiceIn {
1.1.1.6 root 126: QEMUSoundCard *card;
1.1 root 127: int active;
1.1.1.2 root 128: struct audio_pcm_info info;
129: int64_t ratio;
130: void *rate;
131: int total_hw_samples_acquired;
1.1.1.5 root 132: struct st_sample *buf;
1.1.1.2 root 133: f_sample *clip;
134: HWVoiceIn *hw;
1.1 root 135: char *name;
1.1.1.5 root 136: struct mixeng_volume vol;
1.1.1.2 root 137: struct audio_callback callback;
1.1.1.7 root 138: QLIST_ENTRY (SWVoiceIn) entries;
1.1.1.2 root 139: };
140:
141: struct audio_driver {
142: const char *name;
143: const char *descr;
144: struct audio_option *options;
145: void *(*init) (void);
146: void (*fini) (void *);
147: struct audio_pcm_ops *pcm_ops;
148: int can_be_default;
149: int max_voices_out;
150: int max_voices_in;
151: int voice_size_out;
152: int voice_size_in;
1.1 root 153: };
154:
1.1.1.2 root 155: struct audio_pcm_ops {
1.1.1.5 root 156: int (*init_out)(HWVoiceOut *hw, struct audsettings *as);
1.1.1.2 root 157: void (*fini_out)(HWVoiceOut *hw);
1.1.1.7 root 158: int (*run_out) (HWVoiceOut *hw, int live);
1.1.1.2 root 159: int (*write) (SWVoiceOut *sw, void *buf, int size);
160: int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
161:
1.1.1.5 root 162: int (*init_in) (HWVoiceIn *hw, struct audsettings *as);
1.1.1.2 root 163: void (*fini_in) (HWVoiceIn *hw);
164: int (*run_in) (HWVoiceIn *hw);
165: int (*read) (SWVoiceIn *sw, void *buf, int size);
166: int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
167: };
1.1 root 168:
1.1.1.3 root 169: struct capture_callback {
170: struct audio_capture_ops ops;
171: void *opaque;
1.1.1.7 root 172: QLIST_ENTRY (capture_callback) entries;
1.1.1.3 root 173: };
174:
175: struct CaptureVoiceOut {
176: HWVoiceOut hw;
177: void *buf;
1.1.1.7 root 178: QLIST_HEAD (cb_listhead, capture_callback) cb_head;
179: QLIST_ENTRY (CaptureVoiceOut) entries;
1.1.1.3 root 180: };
181:
182: struct SWVoiceCap {
183: SWVoiceOut sw;
184: CaptureVoiceOut *cap;
1.1.1.7 root 185: QLIST_ENTRY (SWVoiceCap) entries;
1.1.1.3 root 186: };
187:
1.1.1.2 root 188: struct AudioState {
189: struct audio_driver *drv;
190: void *drv_opaque;
191:
192: QEMUTimer *ts;
1.1.1.7 root 193: QLIST_HEAD (card_listhead, QEMUSoundCard) card_head;
194: QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
195: QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
196: QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
1.1.1.2 root 197: int nb_hw_voices_out;
198: int nb_hw_voices_in;
1.1.1.5 root 199: int vm_running;
1.1.1.2 root 200: };
201:
202: extern struct audio_driver no_audio_driver;
203: extern struct audio_driver oss_audio_driver;
204: extern struct audio_driver sdl_audio_driver;
205: extern struct audio_driver wav_audio_driver;
206: extern struct audio_driver fmod_audio_driver;
207: extern struct audio_driver alsa_audio_driver;
208: extern struct audio_driver coreaudio_audio_driver;
209: extern struct audio_driver dsound_audio_driver;
1.1.1.5 root 210: extern struct audio_driver esd_audio_driver;
211: extern struct audio_driver pa_audio_driver;
1.1.1.8 ! root 212: extern struct audio_driver spice_audio_driver;
1.1.1.7 root 213: extern struct audio_driver winwave_audio_driver;
1.1.1.8 ! root 214: extern const struct mixeng_volume nominal_volume;
1.1.1.2 root 215:
1.1.1.5 root 216: void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
1.1.1.2 root 217: void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
218:
219: int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
220: int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
221:
222: int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
1.1.1.7 root 223:
224: int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
225: int live, int pending);
1.1 root 226:
1.1.1.2 root 227: int audio_bug (const char *funcname, int cond);
228: void *audio_calloc (const char *funcname, int nmemb, size_t size);
1.1 root 229:
1.1.1.7 root 230: void audio_run (const char *msg);
231:
1.1 root 232: #define VOICE_ENABLE 1
233: #define VOICE_DISABLE 2
234:
1.1.1.2 root 235: static inline int audio_ring_dist (int dst, int src, int len)
236: {
237: return (dst >= src) ? (dst - src) : (len - src + dst);
238: }
239:
240: static void GCC_ATTR dolog (const char *fmt, ...)
241: {
242: va_list ap;
243:
244: va_start (ap, fmt);
245: AUD_vlog (AUDIO_CAP, fmt, ap);
246: va_end (ap);
247: }
248:
249: #ifdef DEBUG
250: static void GCC_ATTR ldebug (const char *fmt, ...)
251: {
252: va_list ap;
253:
254: va_start (ap, fmt);
255: AUD_vlog (AUDIO_CAP, fmt, ap);
256: va_end (ap);
257: }
258: #else
259: #if defined NDEBUG && defined __GNUC__
260: #define ldebug(...)
261: #elif defined NDEBUG && defined _MSC_VER
262: #define ldebug __noop
263: #else
264: static void GCC_ATTR ldebug (const char *fmt, ...)
265: {
266: (void) fmt;
267: }
268: #endif
269: #endif
270:
271: #undef GCC_ATTR
272:
273: #define AUDIO_STRINGIFY_(n) #n
274: #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
275:
276: #if defined _MSC_VER || defined __GNUC__
277: #define AUDIO_FUNC __FUNCTION__
278: #else
279: #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
280: #endif
281:
1.1 root 282: #endif /* audio_int.h */
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