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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;
1.1.1.9 ! root 85: int ctl_caps;
1.1.1.2 root 86: struct audio_pcm_ops *pcm_ops;
1.1.1.7 root 87: QLIST_ENTRY (HWVoiceOut) entries;
1.1.1.2 root 88: } HWVoiceOut;
1.1 root 89:
1.1.1.2 root 90: typedef struct HWVoiceIn {
91: int enabled;
1.1.1.7 root 92: int poll_mode;
1.1.1.2 root 93: struct audio_pcm_info info;
1.1 root 94:
1.1.1.2 root 95: t_sample *conv;
1.1 root 96:
1.1.1.2 root 97: int wpos;
98: int total_samples_captured;
99: uint64_t ts_helper;
1.1 root 100:
1.1.1.5 root 101: struct st_sample *conv_buf;
1.1 root 102:
1.1.1.2 root 103: int samples;
1.1.1.7 root 104: QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
1.1.1.9 ! root 105: int ctl_caps;
1.1.1.2 root 106: struct audio_pcm_ops *pcm_ops;
1.1.1.7 root 107: QLIST_ENTRY (HWVoiceIn) entries;
1.1.1.2 root 108: } HWVoiceIn;
1.1 root 109:
1.1.1.2 root 110: struct SWVoiceOut {
1.1.1.6 root 111: QEMUSoundCard *card;
1.1.1.2 root 112: struct audio_pcm_info info;
1.1 root 113: t_sample *conv;
114: int64_t ratio;
1.1.1.5 root 115: struct st_sample *buf;
1.1 root 116: void *rate;
1.1.1.2 root 117: int total_hw_samples_mixed;
118: int active;
119: int empty;
120: HWVoiceOut *hw;
121: char *name;
1.1.1.5 root 122: struct mixeng_volume vol;
1.1.1.2 root 123: struct audio_callback callback;
1.1.1.7 root 124: QLIST_ENTRY (SWVoiceOut) entries;
1.1.1.2 root 125: };
1.1 root 126:
1.1.1.2 root 127: struct SWVoiceIn {
1.1.1.6 root 128: QEMUSoundCard *card;
1.1 root 129: int active;
1.1.1.2 root 130: struct audio_pcm_info info;
131: int64_t ratio;
132: void *rate;
133: int total_hw_samples_acquired;
1.1.1.5 root 134: struct st_sample *buf;
1.1.1.2 root 135: f_sample *clip;
136: HWVoiceIn *hw;
1.1 root 137: char *name;
1.1.1.5 root 138: struct mixeng_volume vol;
1.1.1.2 root 139: struct audio_callback callback;
1.1.1.7 root 140: QLIST_ENTRY (SWVoiceIn) entries;
1.1.1.2 root 141: };
142:
143: struct audio_driver {
144: const char *name;
145: const char *descr;
146: struct audio_option *options;
147: void *(*init) (void);
148: void (*fini) (void *);
149: struct audio_pcm_ops *pcm_ops;
150: int can_be_default;
151: int max_voices_out;
152: int max_voices_in;
153: int voice_size_out;
154: int voice_size_in;
1.1.1.9 ! root 155: int ctl_caps;
1.1 root 156: };
157:
1.1.1.2 root 158: struct audio_pcm_ops {
1.1.1.5 root 159: int (*init_out)(HWVoiceOut *hw, struct audsettings *as);
1.1.1.2 root 160: void (*fini_out)(HWVoiceOut *hw);
1.1.1.7 root 161: int (*run_out) (HWVoiceOut *hw, int live);
1.1.1.2 root 162: int (*write) (SWVoiceOut *sw, void *buf, int size);
163: int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
164:
1.1.1.5 root 165: int (*init_in) (HWVoiceIn *hw, struct audsettings *as);
1.1.1.2 root 166: void (*fini_in) (HWVoiceIn *hw);
167: int (*run_in) (HWVoiceIn *hw);
168: int (*read) (SWVoiceIn *sw, void *buf, int size);
169: int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
170: };
1.1 root 171:
1.1.1.3 root 172: struct capture_callback {
173: struct audio_capture_ops ops;
174: void *opaque;
1.1.1.7 root 175: QLIST_ENTRY (capture_callback) entries;
1.1.1.3 root 176: };
177:
178: struct CaptureVoiceOut {
179: HWVoiceOut hw;
180: void *buf;
1.1.1.7 root 181: QLIST_HEAD (cb_listhead, capture_callback) cb_head;
182: QLIST_ENTRY (CaptureVoiceOut) entries;
1.1.1.3 root 183: };
184:
185: struct SWVoiceCap {
186: SWVoiceOut sw;
187: CaptureVoiceOut *cap;
1.1.1.7 root 188: QLIST_ENTRY (SWVoiceCap) entries;
1.1.1.3 root 189: };
190:
1.1.1.2 root 191: struct AudioState {
192: struct audio_driver *drv;
193: void *drv_opaque;
194:
195: QEMUTimer *ts;
1.1.1.7 root 196: QLIST_HEAD (card_listhead, QEMUSoundCard) card_head;
197: QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
198: QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
199: QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
1.1.1.2 root 200: int nb_hw_voices_out;
201: int nb_hw_voices_in;
1.1.1.5 root 202: int vm_running;
1.1.1.2 root 203: };
204:
205: extern struct audio_driver no_audio_driver;
206: extern struct audio_driver oss_audio_driver;
207: extern struct audio_driver sdl_audio_driver;
208: extern struct audio_driver wav_audio_driver;
209: extern struct audio_driver fmod_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;
1.1.1.5 root 213: extern struct audio_driver esd_audio_driver;
214: extern struct audio_driver pa_audio_driver;
1.1.1.8 root 215: extern struct audio_driver spice_audio_driver;
1.1.1.7 root 216: extern struct audio_driver winwave_audio_driver;
1.1.1.8 root 217: extern const struct mixeng_volume nominal_volume;
1.1.1.2 root 218:
1.1.1.5 root 219: void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as);
1.1.1.2 root 220: void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
221:
222: int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
223: int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
224:
225: int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
1.1.1.7 root 226:
227: int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf,
228: int live, int pending);
1.1 root 229:
1.1.1.2 root 230: int audio_bug (const char *funcname, int cond);
231: void *audio_calloc (const char *funcname, int nmemb, size_t size);
1.1 root 232:
1.1.1.7 root 233: void audio_run (const char *msg);
234:
1.1 root 235: #define VOICE_ENABLE 1
236: #define VOICE_DISABLE 2
1.1.1.9 ! root 237: #define VOICE_VOLUME 3
! 238:
! 239: #define VOICE_VOLUME_CAP (1 << VOICE_VOLUME)
1.1 root 240:
1.1.1.2 root 241: static inline int audio_ring_dist (int dst, int src, int len)
242: {
243: return (dst >= src) ? (dst - src) : (len - src + dst);
244: }
245:
246: static void GCC_ATTR dolog (const char *fmt, ...)
247: {
248: va_list ap;
249:
250: va_start (ap, fmt);
251: AUD_vlog (AUDIO_CAP, fmt, ap);
252: va_end (ap);
253: }
254:
255: #ifdef DEBUG
256: static void GCC_ATTR ldebug (const char *fmt, ...)
257: {
258: va_list ap;
259:
260: va_start (ap, fmt);
261: AUD_vlog (AUDIO_CAP, fmt, ap);
262: va_end (ap);
263: }
264: #else
265: #if defined NDEBUG && defined __GNUC__
266: #define ldebug(...)
267: #elif defined NDEBUG && defined _MSC_VER
268: #define ldebug __noop
269: #else
270: static void GCC_ATTR ldebug (const char *fmt, ...)
271: {
272: (void) fmt;
273: }
274: #endif
275: #endif
276:
277: #undef GCC_ATTR
278:
279: #define AUDIO_STRINGIFY_(n) #n
280: #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
281:
282: #if defined _MSC_VER || defined __GNUC__
283: #define AUDIO_FUNC __FUNCTION__
284: #else
285: #define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
286: #endif
287:
1.1 root 288: #endif /* audio_int.h */
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