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Commit | Line | Data |
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1d14ffa9 FB |
1 | /* |
2 | * QEMU Audio subsystem header | |
3 | * | |
4 | * Copyright (c) 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 | #ifdef DAC | |
571ec3d6 FB |
26 | #define NAME "playback" |
27 | #define HWBUF hw->mix_buf | |
1d14ffa9 | 28 | #define TYPE out |
571ec3d6 FB |
29 | #define HW HWVoiceOut |
30 | #define SW SWVoiceOut | |
1d14ffa9 | 31 | #else |
571ec3d6 | 32 | #define NAME "capture" |
1d14ffa9 | 33 | #define TYPE in |
571ec3d6 FB |
34 | #define HW HWVoiceIn |
35 | #define SW SWVoiceIn | |
36 | #define HWBUF hw->conv_buf | |
1d14ffa9 FB |
37 | #endif |
38 | ||
526fb058 KZ |
39 | static void glue(audio_init_nb_voices_, TYPE)(AudioState *s, |
40 | struct audio_driver *drv) | |
c0fe3827 | 41 | { |
571ec3d6 | 42 | int max_voices = glue (drv->max_voices_, TYPE); |
3724ab3b | 43 | size_t voice_size = glue(drv->voice_size_, TYPE); |
c0fe3827 | 44 | |
571ec3d6 FB |
45 | if (glue (s->nb_hw_voices_, TYPE) > max_voices) { |
46 | if (!max_voices) { | |
47 | #ifdef DAC | |
48 | dolog ("Driver `%s' does not support " NAME "\n", drv->name); | |
49 | #endif | |
6c6886bd | 50 | } else { |
571ec3d6 FB |
51 | dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n", |
52 | drv->name, | |
53 | glue (s->nb_hw_voices_, TYPE), | |
54 | max_voices); | |
55 | } | |
56 | glue (s->nb_hw_voices_, TYPE) = max_voices; | |
c0fe3827 FB |
57 | } |
58 | ||
470bcabd | 59 | if (audio_bug(__func__, !voice_size && max_voices)) { |
571ec3d6 FB |
60 | dolog ("drv=`%s' voice_size=0 max_voices=%d\n", |
61 | drv->name, max_voices); | |
12f4abf6 | 62 | glue (s->nb_hw_voices_, TYPE) = 0; |
571ec3d6 FB |
63 | } |
64 | ||
470bcabd | 65 | if (audio_bug(__func__, voice_size && !max_voices)) { |
3724ab3b VR |
66 | dolog("drv=`%s' voice_size=%zu max_voices=0\n", |
67 | drv->name, voice_size); | |
571ec3d6 FB |
68 | } |
69 | } | |
70 | ||
71 | static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw) | |
72 | { | |
ff095e52 | 73 | g_free(hw->buf_emul); |
8dbd3d17 VR |
74 | g_free(HWBUF.buffer); |
75 | HWBUF.buffer = NULL; | |
76 | HWBUF.size = 0; | |
571ec3d6 FB |
77 | } |
78 | ||
dc88e38f | 79 | static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw) |
571ec3d6 | 80 | { |
1930616b KZ |
81 | if (glue(audio_get_pdo_, TYPE)(hw->s->dev)->mixing_engine) { |
82 | size_t samples = hw->samples; | |
83 | if (audio_bug(__func__, samples == 0)) { | |
84 | dolog("Attempted to allocate empty buffer\n"); | |
85 | } | |
c0fe3827 | 86 | |
8dbd3d17 VR |
87 | HWBUF.buffer = g_new0(st_sample, samples); |
88 | HWBUF.size = samples; | |
89 | HWBUF.pos = 0; | |
1930616b | 90 | } else { |
8dbd3d17 VR |
91 | HWBUF.buffer = NULL; |
92 | HWBUF.size = 0; | |
1930616b | 93 | } |
571ec3d6 FB |
94 | } |
95 | ||
96 | static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw) | |
97 | { | |
2c3f9a0a VR |
98 | g_free(sw->resample_buf.buffer); |
99 | sw->resample_buf.buffer = NULL; | |
100 | sw->resample_buf.size = 0; | |
571ec3d6 FB |
101 | |
102 | if (sw->rate) { | |
103 | st_rate_stop (sw->rate); | |
104 | } | |
571ec3d6 FB |
105 | sw->rate = NULL; |
106 | } | |
107 | ||
108 | static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw) | |
109 | { | |
148392ab | 110 | HW *hw = sw->hw; |
2f886a34 | 111 | uint64_t samples; |
571ec3d6 | 112 | |
1930616b KZ |
113 | if (!glue(audio_get_pdo_, TYPE)(sw->s->dev)->mixing_engine) { |
114 | return 0; | |
115 | } | |
116 | ||
2f886a34 | 117 | samples = muldiv64(HWBUF.size, sw->info.freq, hw->info.freq); |
b9ae74e2 | 118 | if (samples == 0) { |
2f886a34 VR |
119 | uint64_t f_fe_min; |
120 | uint64_t f_be = (uint32_t)hw->info.freq; | |
b9ae74e2 VR |
121 | |
122 | /* f_fe_min = ceil(1 [frames] * f_be [Hz] / size_be [frames]) */ | |
2f886a34 | 123 | f_fe_min = (f_be + HWBUF.size - 1) / HWBUF.size; |
b9ae74e2 VR |
124 | qemu_log_mask(LOG_UNIMP, |
125 | AUDIO_CAP ": The guest selected a " NAME " sample rate" | |
2f886a34 VR |
126 | " of %d Hz for %s. Only sample rates >= %" PRIu64 " Hz" |
127 | " are supported.\n", | |
b9ae74e2 VR |
128 | sw->info.freq, sw->name, f_fe_min); |
129 | return -1; | |
130 | } | |
c0fe3827 | 131 | |
e1e6a6fc VR |
132 | /* |
133 | * Allocate one additional audio frame that is needed for upsampling | |
134 | * if the resample buffer size is small. For large buffer sizes take | |
2f886a34 | 135 | * care of overflows and truncation. |
e1e6a6fc | 136 | */ |
2f886a34 | 137 | samples = samples < SIZE_MAX ? samples + 1 : SIZE_MAX; |
2c3f9a0a VR |
138 | sw->resample_buf.buffer = g_new0(st_sample, samples); |
139 | sw->resample_buf.size = samples; | |
140 | sw->resample_buf.pos = 0; | |
c0fe3827 | 141 | |
571ec3d6 | 142 | #ifdef DAC |
148392ab | 143 | sw->rate = st_rate_start(sw->info.freq, hw->info.freq); |
571ec3d6 | 144 | #else |
148392ab | 145 | sw->rate = st_rate_start(hw->info.freq, sw->info.freq); |
571ec3d6 | 146 | #endif |
25bf0c2d | 147 | |
c0fe3827 FB |
148 | return 0; |
149 | } | |
150 | ||
571ec3d6 FB |
151 | static int glue (audio_pcm_sw_init_, TYPE) ( |
152 | SW *sw, | |
153 | HW *hw, | |
154 | const char *name, | |
1ea879e5 | 155 | struct audsettings *as |
571ec3d6 FB |
156 | ) |
157 | { | |
158 | int err; | |
159 | ||
d929eba5 | 160 | audio_pcm_init_info (&sw->info, as); |
571ec3d6 FB |
161 | sw->hw = hw; |
162 | sw->active = 0; | |
163 | #ifdef DAC | |
571ec3d6 FB |
164 | sw->total_hw_samples_mixed = 0; |
165 | sw->empty = 1; | |
571ec3d6 FB |
166 | #endif |
167 | ||
ed2a4a79 | 168 | if (sw->info.is_float) { |
571ec3d6 | 169 | #ifdef DAC |
ed2a4a79 | 170 | sw->conv = mixeng_conv_float[sw->info.nchannels == 2]; |
571ec3d6 | 171 | #else |
ed2a4a79 | 172 | sw->clip = mixeng_clip_float[sw->info.nchannels == 2]; |
571ec3d6 | 173 | #endif |
ed2a4a79 KZ |
174 | } else { |
175 | #ifdef DAC | |
176 | sw->conv = mixeng_conv | |
177 | #else | |
178 | sw->clip = mixeng_clip | |
179 | #endif | |
180 | [sw->info.nchannels == 2] | |
181 | [sw->info.is_signed] | |
182 | [sw->info.swap_endianness] | |
183 | [audio_bits_to_index(sw->info.bits)]; | |
184 | } | |
571ec3d6 | 185 | |
7267c094 | 186 | sw->name = g_strdup (name); |
571ec3d6 FB |
187 | err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw); |
188 | if (err) { | |
7267c094 | 189 | g_free (sw->name); |
571ec3d6 FB |
190 | sw->name = NULL; |
191 | } | |
192 | return err; | |
193 | } | |
194 | ||
1d14ffa9 FB |
195 | static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw) |
196 | { | |
197 | glue (audio_pcm_sw_free_resources_, TYPE) (sw); | |
fb7da626 MA |
198 | g_free (sw->name); |
199 | sw->name = NULL; | |
1d14ffa9 FB |
200 | } |
201 | ||
202 | static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw) | |
203 | { | |
72cf2d4f | 204 | QLIST_INSERT_HEAD (&hw->sw_head, sw, entries); |
1d14ffa9 FB |
205 | } |
206 | ||
207 | static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw) | |
208 | { | |
72cf2d4f | 209 | QLIST_REMOVE (sw, entries); |
1d14ffa9 FB |
210 | } |
211 | ||
1a7dafce | 212 | static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp) |
1d14ffa9 | 213 | { |
c0fe3827 | 214 | HW *hw = *hwp; |
526fb058 | 215 | AudioState *s = hw->s; |
1d14ffa9 | 216 | |
1d14ffa9 | 217 | if (!hw->sw_head.lh_first) { |
8ead62cf | 218 | #ifdef DAC |
8abf3feb | 219 | audio_detach_capture(hw); |
8ead62cf | 220 | #endif |
8abf3feb ZH |
221 | QLIST_REMOVE(hw, entries); |
222 | glue(hw->pcm_ops->fini_, TYPE) (hw); | |
223 | glue(s->nb_hw_voices_, TYPE) += 1; | |
224 | glue(audio_pcm_hw_free_resources_ , TYPE) (hw); | |
225 | g_free(hw); | |
c0fe3827 | 226 | *hwp = NULL; |
1d14ffa9 FB |
227 | } |
228 | } | |
229 | ||
526fb058 | 230 | static HW *glue(audio_pcm_hw_find_any_, TYPE)(AudioState *s, HW *hw) |
1d14ffa9 | 231 | { |
1a7dafce | 232 | return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first; |
1d14ffa9 FB |
233 | } |
234 | ||
526fb058 | 235 | static HW *glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState *s, HW *hw) |
1d14ffa9 | 236 | { |
526fb058 | 237 | while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) { |
c0fe3827 | 238 | if (hw->enabled) { |
1d14ffa9 FB |
239 | return hw; |
240 | } | |
241 | } | |
242 | return NULL; | |
243 | } | |
244 | ||
526fb058 KZ |
245 | static HW *glue(audio_pcm_hw_find_specific_, TYPE)(AudioState *s, HW *hw, |
246 | struct audsettings *as) | |
1d14ffa9 | 247 | { |
526fb058 | 248 | while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) { |
c0fe3827 | 249 | if (audio_pcm_info_eq (&hw->info, as)) { |
1d14ffa9 FB |
250 | return hw; |
251 | } | |
252 | } | |
253 | return NULL; | |
254 | } | |
255 | ||
526fb058 KZ |
256 | static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s, |
257 | struct audsettings *as) | |
1d14ffa9 FB |
258 | { |
259 | HW *hw; | |
571ec3d6 | 260 | struct audio_driver *drv = s->drv; |
1d14ffa9 | 261 | |
571ec3d6 FB |
262 | if (!glue (s->nb_hw_voices_, TYPE)) { |
263 | return NULL; | |
264 | } | |
1d14ffa9 | 265 | |
470bcabd | 266 | if (audio_bug(__func__, !drv)) { |
571ec3d6 | 267 | dolog ("No host audio driver\n"); |
12f4abf6 | 268 | return NULL; |
1d14ffa9 FB |
269 | } |
270 | ||
470bcabd | 271 | if (audio_bug(__func__, !drv->pcm_ops)) { |
571ec3d6 | 272 | dolog ("Host audio driver without pcm_ops\n"); |
12f4abf6 | 273 | return NULL; |
571ec3d6 FB |
274 | } |
275 | ||
3724ab3b VR |
276 | /* |
277 | * Since glue(s->nb_hw_voices_, TYPE) is != 0, glue(drv->voice_size_, TYPE) | |
278 | * is guaranteed to be != 0. See the audio_init_nb_voices_* functions. | |
279 | */ | |
280 | hw = g_malloc0(glue(drv->voice_size_, TYPE)); | |
526fb058 | 281 | hw->s = s; |
571ec3d6 | 282 | hw->pcm_ops = drv->pcm_ops; |
c01b2456 | 283 | |
72cf2d4f | 284 | QLIST_INIT (&hw->sw_head); |
8ead62cf | 285 | #ifdef DAC |
72cf2d4f | 286 | QLIST_INIT (&hw->cap_head); |
8ead62cf | 287 | #endif |
5706db1d | 288 | if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) { |
12f4abf6 | 289 | goto err0; |
571ec3d6 FB |
290 | } |
291 | ||
470bcabd | 292 | if (audio_bug(__func__, hw->samples <= 0)) { |
7520462b | 293 | dolog("hw->samples=%zd\n", hw->samples); |
12f4abf6 | 294 | goto err1; |
571ec3d6 FB |
295 | } |
296 | ||
ed2a4a79 | 297 | if (hw->info.is_float) { |
180b044f | 298 | #ifdef DAC |
ed2a4a79 | 299 | hw->clip = mixeng_clip_float[hw->info.nchannels == 2]; |
180b044f | 300 | #else |
ed2a4a79 | 301 | hw->conv = mixeng_conv_float[hw->info.nchannels == 2]; |
180b044f | 302 | #endif |
ed2a4a79 | 303 | } else { |
571ec3d6 | 304 | #ifdef DAC |
ed2a4a79 | 305 | hw->clip = mixeng_clip |
571ec3d6 | 306 | #else |
ed2a4a79 | 307 | hw->conv = mixeng_conv |
571ec3d6 | 308 | #endif |
ed2a4a79 KZ |
309 | [hw->info.nchannels == 2] |
310 | [hw->info.is_signed] | |
311 | [hw->info.swap_endianness] | |
312 | [audio_bits_to_index(hw->info.bits)]; | |
313 | } | |
571ec3d6 | 314 | |
dc88e38f | 315 | glue(audio_pcm_hw_alloc_resources_, TYPE)(hw); |
571ec3d6 | 316 | |
72cf2d4f | 317 | QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries); |
571ec3d6 | 318 | glue (s->nb_hw_voices_, TYPE) -= 1; |
8ead62cf | 319 | #ifdef DAC |
1a7dafce | 320 | audio_attach_capture (hw); |
8ead62cf | 321 | #endif |
571ec3d6 | 322 | return hw; |
12f4abf6 VR |
323 | |
324 | err1: | |
325 | glue (hw->pcm_ops->fini_, TYPE) (hw); | |
326 | err0: | |
327 | g_free (hw); | |
328 | return NULL; | |
1d14ffa9 FB |
329 | } |
330 | ||
71830221 KZ |
331 | AudiodevPerDirectionOptions *glue(audio_get_pdo_, TYPE)(Audiodev *dev) |
332 | { | |
333 | switch (dev->driver) { | |
334 | case AUDIODEV_DRIVER_NONE: | |
335 | return dev->u.none.TYPE; | |
7a92a857 | 336 | #ifdef CONFIG_AUDIO_ALSA |
71830221 KZ |
337 | case AUDIODEV_DRIVER_ALSA: |
338 | return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE); | |
7a92a857 DB |
339 | #endif |
340 | #ifdef CONFIG_AUDIO_COREAUDIO | |
71830221 KZ |
341 | case AUDIODEV_DRIVER_COREAUDIO: |
342 | return qapi_AudiodevCoreaudioPerDirectionOptions_base( | |
343 | dev->u.coreaudio.TYPE); | |
7a92a857 DB |
344 | #endif |
345 | #ifdef CONFIG_DBUS_DISPLAY | |
739362d4 MAL |
346 | case AUDIODEV_DRIVER_DBUS: |
347 | return dev->u.dbus.TYPE; | |
7a92a857 DB |
348 | #endif |
349 | #ifdef CONFIG_AUDIO_DSOUND | |
71830221 KZ |
350 | case AUDIODEV_DRIVER_DSOUND: |
351 | return dev->u.dsound.TYPE; | |
7a92a857 DB |
352 | #endif |
353 | #ifdef CONFIG_AUDIO_JACK | |
2e445703 GM |
354 | case AUDIODEV_DRIVER_JACK: |
355 | return qapi_AudiodevJackPerDirectionOptions_base(dev->u.jack.TYPE); | |
7a92a857 DB |
356 | #endif |
357 | #ifdef CONFIG_AUDIO_OSS | |
71830221 KZ |
358 | case AUDIODEV_DRIVER_OSS: |
359 | return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE); | |
7a92a857 DB |
360 | #endif |
361 | #ifdef CONFIG_AUDIO_PA | |
71830221 KZ |
362 | case AUDIODEV_DRIVER_PA: |
363 | return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE); | |
7a92a857 | 364 | #endif |
c2d3d1c2 DB |
365 | #ifdef CONFIG_AUDIO_PIPEWIRE |
366 | case AUDIODEV_DRIVER_PIPEWIRE: | |
367 | return qapi_AudiodevPipewirePerDirectionOptions_base(dev->u.pipewire.TYPE); | |
368 | #endif | |
7a92a857 | 369 | #ifdef CONFIG_AUDIO_SDL |
71830221 | 370 | case AUDIODEV_DRIVER_SDL: |
5a0926c2 | 371 | return qapi_AudiodevSdlPerDirectionOptions_base(dev->u.sdl.TYPE); |
7a92a857 DB |
372 | #endif |
373 | #ifdef CONFIG_AUDIO_SNDIO | |
663df1cc AR |
374 | case AUDIODEV_DRIVER_SNDIO: |
375 | return dev->u.sndio.TYPE; | |
7a92a857 DB |
376 | #endif |
377 | #ifdef CONFIG_SPICE | |
71830221 KZ |
378 | case AUDIODEV_DRIVER_SPICE: |
379 | return dev->u.spice.TYPE; | |
7a92a857 | 380 | #endif |
71830221 KZ |
381 | case AUDIODEV_DRIVER_WAV: |
382 | return dev->u.wav.TYPE; | |
383 | ||
384 | case AUDIODEV_DRIVER__MAX: | |
385 | break; | |
386 | } | |
387 | abort(); | |
388 | } | |
389 | ||
526fb058 | 390 | static HW *glue(audio_pcm_hw_add_, TYPE)(AudioState *s, struct audsettings *as) |
1d14ffa9 FB |
391 | { |
392 | HW *hw; | |
71830221 | 393 | AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); |
1d14ffa9 | 394 | |
1930616b | 395 | if (!pdo->mixing_engine || pdo->fixed_settings) { |
526fb058 | 396 | hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as); |
1930616b | 397 | if (!pdo->mixing_engine || hw) { |
1d14ffa9 FB |
398 | return hw; |
399 | } | |
400 | } | |
401 | ||
526fb058 | 402 | hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as); |
1d14ffa9 FB |
403 | if (hw) { |
404 | return hw; | |
405 | } | |
406 | ||
526fb058 | 407 | hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as); |
1d14ffa9 FB |
408 | if (hw) { |
409 | return hw; | |
410 | } | |
411 | ||
526fb058 | 412 | return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL); |
1d14ffa9 FB |
413 | } |
414 | ||
526fb058 KZ |
415 | static SW *glue(audio_pcm_create_voice_pair_, TYPE)( |
416 | AudioState *s, | |
c0fe3827 | 417 | const char *sw_name, |
1ea879e5 | 418 | struct audsettings *as |
1d14ffa9 FB |
419 | ) |
420 | { | |
421 | SW *sw; | |
422 | HW *hw; | |
1ea879e5 | 423 | struct audsettings hw_as; |
71830221 | 424 | AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); |
1d14ffa9 | 425 | |
71830221 KZ |
426 | if (pdo->fixed_settings) { |
427 | hw_as = audiodev_to_audsettings(pdo); | |
6c6886bd | 428 | } else { |
c0fe3827 | 429 | hw_as = *as; |
1d14ffa9 FB |
430 | } |
431 | ||
c6b69a81 | 432 | sw = g_new0(SW, 1); |
526fb058 | 433 | sw->s = s; |
1d14ffa9 | 434 | |
526fb058 | 435 | hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as); |
1d14ffa9 | 436 | if (!hw) { |
90394fe1 | 437 | dolog("Could not create a backend for voice `%s'\n", sw_name); |
c6b69a81 | 438 | goto err1; |
1d14ffa9 FB |
439 | } |
440 | ||
441 | glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw); | |
442 | ||
d929eba5 | 443 | if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) { |
c6b69a81 | 444 | goto err2; |
1d14ffa9 FB |
445 | } |
446 | ||
447 | return sw; | |
448 | ||
c6b69a81 | 449 | err2: |
1d14ffa9 | 450 | glue (audio_pcm_hw_del_sw_, TYPE) (sw); |
1a7dafce | 451 | glue (audio_pcm_hw_gc_, TYPE) (&hw); |
1d14ffa9 | 452 | err1: |
c6b69a81 | 453 | g_free(sw); |
1d14ffa9 FB |
454 | return NULL; |
455 | } | |
456 | ||
1a7dafce | 457 | static void glue (audio_close_, TYPE) (SW *sw) |
c0fe3827 FB |
458 | { |
459 | glue (audio_pcm_sw_fini_, TYPE) (sw); | |
460 | glue (audio_pcm_hw_del_sw_, TYPE) (sw); | |
1a7dafce | 461 | glue (audio_pcm_hw_gc_, TYPE) (&sw->hw); |
7267c094 | 462 | g_free (sw); |
c0fe3827 | 463 | } |
571ec3d6 | 464 | |
c0fe3827 | 465 | void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw) |
1d14ffa9 FB |
466 | { |
467 | if (sw) { | |
470bcabd | 468 | if (audio_bug(__func__, !card)) { |
1a7dafce | 469 | dolog ("card=%p\n", card); |
12f4abf6 | 470 | return; |
c0fe3827 FB |
471 | } |
472 | ||
1a7dafce | 473 | glue (audio_close_, TYPE) (sw); |
1d14ffa9 FB |
474 | } |
475 | } | |
476 | ||
477 | SW *glue (AUD_open_, TYPE) ( | |
c0fe3827 | 478 | QEMUSoundCard *card, |
1d14ffa9 FB |
479 | SW *sw, |
480 | const char *name, | |
481 | void *callback_opaque , | |
cb4f03e8 | 482 | audio_callback_fn callback_fn, |
1ea879e5 | 483 | struct audsettings *as |
1d14ffa9 FB |
484 | ) |
485 | { | |
d1670b20 KZ |
486 | AudioState *s; |
487 | AudiodevPerDirectionOptions *pdo; | |
1d14ffa9 | 488 | |
470bcabd | 489 | if (audio_bug(__func__, !card || !name || !callback_fn || !as)) { |
1a7dafce | 490 | dolog ("card=%p name=%p callback_fn=%p as=%p\n", |
491 | card, name, callback_fn, as); | |
12f4abf6 | 492 | goto fail; |
1d14ffa9 FB |
493 | } |
494 | ||
d1670b20 KZ |
495 | s = card->state; |
496 | pdo = glue(audio_get_pdo_, TYPE)(s->dev); | |
497 | ||
93b65997 SW |
498 | ldebug ("open %s, freq %d, nchannels %d, fmt %d\n", |
499 | name, as->freq, as->nchannels, as->fmt); | |
500 | ||
470bcabd | 501 | if (audio_bug(__func__, audio_validate_settings(as))) { |
c0fe3827 | 502 | audio_print_settings (as); |
12f4abf6 | 503 | goto fail; |
1d14ffa9 FB |
504 | } |
505 | ||
470bcabd | 506 | if (audio_bug(__func__, !s->drv)) { |
c0fe3827 | 507 | dolog ("Can not open `%s' (no host audio driver)\n", name); |
12f4abf6 | 508 | goto fail; |
1d14ffa9 FB |
509 | } |
510 | ||
c0fe3827 | 511 | if (sw && audio_pcm_info_eq (&sw->info, as)) { |
1d14ffa9 FB |
512 | return sw; |
513 | } | |
514 | ||
71830221 | 515 | if (!pdo->fixed_settings && sw) { |
c0fe3827 | 516 | glue (AUD_close_, TYPE) (card, sw); |
1d14ffa9 FB |
517 | sw = NULL; |
518 | } | |
519 | ||
520 | if (sw) { | |
521 | HW *hw = sw->hw; | |
522 | ||
523 | if (!hw) { | |
b637a61c VR |
524 | dolog("Internal logic error: voice `%s' has no backend\n", |
525 | SW_NAME(sw)); | |
1d14ffa9 FB |
526 | goto fail; |
527 | } | |
528 | ||
571ec3d6 | 529 | glue (audio_pcm_sw_fini_, TYPE) (sw); |
d929eba5 | 530 | if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) { |
1d14ffa9 FB |
531 | goto fail; |
532 | } | |
6c6886bd | 533 | } else { |
526fb058 | 534 | sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as); |
1d14ffa9 | 535 | if (!sw) { |
571ec3d6 | 536 | return NULL; |
1d14ffa9 FB |
537 | } |
538 | } | |
539 | ||
7cbb28ed | 540 | sw->card = card; |
541 | sw->vol = nominal_volume; | |
542 | sw->callback.fn = callback_fn; | |
543 | sw->callback.opaque = callback_opaque; | |
1d14ffa9 | 544 | |
1d14ffa9 | 545 | #ifdef DEBUG_AUDIO |
7cbb28ed | 546 | dolog ("%s\n", name); |
547 | audio_pcm_print_info ("hw", &sw->hw->info); | |
548 | audio_pcm_print_info ("sw", &sw->info); | |
1d14ffa9 | 549 | #endif |
1d14ffa9 FB |
550 | |
551 | return sw; | |
552 | ||
553 | fail: | |
c0fe3827 | 554 | glue (AUD_close_, TYPE) (card, sw); |
1d14ffa9 FB |
555 | return NULL; |
556 | } | |
557 | ||
558 | int glue (AUD_is_active_, TYPE) (SW *sw) | |
559 | { | |
560 | return sw ? sw->active : 0; | |
561 | } | |
562 | ||
563 | void glue (AUD_init_time_stamp_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts) | |
564 | { | |
565 | if (!sw) { | |
566 | return; | |
567 | } | |
568 | ||
569 | ts->old_ts = sw->hw->ts_helper; | |
570 | } | |
571 | ||
c0fe3827 | 572 | uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts) |
1d14ffa9 FB |
573 | { |
574 | uint64_t delta, cur_ts, old_ts; | |
575 | ||
576 | if (!sw) { | |
577 | return 0; | |
578 | } | |
579 | ||
580 | cur_ts = sw->hw->ts_helper; | |
581 | old_ts = ts->old_ts; | |
0bfcd599 | 582 | /* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */ |
1d14ffa9 FB |
583 | |
584 | if (cur_ts >= old_ts) { | |
585 | delta = cur_ts - old_ts; | |
6c6886bd | 586 | } else { |
1d14ffa9 FB |
587 | delta = UINT64_MAX - old_ts + cur_ts; |
588 | } | |
589 | ||
590 | if (!delta) { | |
591 | return 0; | |
592 | } | |
593 | ||
4f4cc0ef | 594 | return muldiv64 (delta, sw->hw->info.freq, 1000000); |
1d14ffa9 FB |
595 | } |
596 | ||
597 | #undef TYPE | |
598 | #undef HW | |
599 | #undef SW | |
571ec3d6 FB |
600 | #undef HWBUF |
601 | #undef NAME |