ia64/xen-unstable

view tools/ioemu/audio/audio_template.h @ 15841:c5f735271e22

[IA64] Foreign p2m: Fix vti domain builder.

It should set arch_domain::convmem_end.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Alex Williamson <alex.williamson@hp.com>
date Thu Sep 06 13:48:43 2007 -0600 (2007-09-06)
parents 08a11694b109
children 45b2e7d59e3a
line source
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 */
25 #ifdef DAC
26 #define NAME "playback"
27 #define HWBUF hw->mix_buf
28 #define TYPE out
29 #define HW HWVoiceOut
30 #define SW SWVoiceOut
31 #else
32 #define NAME "capture"
33 #define TYPE in
34 #define HW HWVoiceIn
35 #define SW SWVoiceIn
36 #define HWBUF hw->conv_buf
37 #endif
39 static void glue (audio_init_nb_voices_, TYPE) (
40 AudioState *s,
41 struct audio_driver *drv
42 )
43 {
44 int max_voices = glue (drv->max_voices_, TYPE);
45 int voice_size = glue (drv->voice_size_, TYPE);
47 if (glue (s->nb_hw_voices_, TYPE) > max_voices) {
48 if (!max_voices) {
49 #ifdef DAC
50 dolog ("Driver `%s' does not support " NAME "\n", drv->name);
51 #endif
52 }
53 else {
54 dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
55 drv->name,
56 glue (s->nb_hw_voices_, TYPE),
57 max_voices);
58 }
59 glue (s->nb_hw_voices_, TYPE) = max_voices;
60 }
62 if (audio_bug (AUDIO_FUNC, !voice_size && max_voices)) {
63 dolog ("drv=`%s' voice_size=0 max_voices=%d\n",
64 drv->name, max_voices);
65 glue (s->nb_hw_voices_, TYPE) = 0;
66 }
68 if (audio_bug (AUDIO_FUNC, voice_size && !max_voices)) {
69 dolog ("drv=`%s' voice_size=%d max_voices=0\n",
70 drv->name, voice_size);
71 }
72 }
74 static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
75 {
76 if (HWBUF) {
77 qemu_free (HWBUF);
78 }
80 HWBUF = NULL;
81 }
83 static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw)
84 {
85 HWBUF = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (st_sample_t));
86 if (!HWBUF) {
87 dolog ("Could not allocate " NAME " buffer (%d samples)\n",
88 hw->samples);
89 return -1;
90 }
92 return 0;
93 }
95 static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
96 {
97 if (sw->buf) {
98 qemu_free (sw->buf);
99 }
101 if (sw->rate) {
102 st_rate_stop (sw->rate);
103 }
105 sw->buf = NULL;
106 sw->rate = NULL;
107 }
109 static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
110 {
111 int samples;
113 #ifdef DAC
114 samples = sw->hw->samples;
115 #else
116 samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;
117 #endif
119 sw->buf = audio_calloc (AUDIO_FUNC, samples, sizeof (st_sample_t));
120 if (!sw->buf) {
121 dolog ("Could not allocate buffer for `%s' (%d samples)\n",
122 SW_NAME (sw), samples);
123 return -1;
124 }
126 #ifdef DAC
127 sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
128 #else
129 sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
130 #endif
131 if (!sw->rate) {
132 qemu_free (sw->buf);
133 sw->buf = NULL;
134 return -1;
135 }
136 return 0;
137 }
139 static int glue (audio_pcm_sw_init_, TYPE) (
140 SW *sw,
141 HW *hw,
142 const char *name,
143 audsettings_t *as
144 )
145 {
146 int err;
148 audio_pcm_init_info (&sw->info, as);
149 sw->hw = hw;
150 sw->active = 0;
151 #ifdef DAC
152 sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
153 sw->total_hw_samples_mixed = 0;
154 sw->empty = 1;
155 #else
156 sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
157 #endif
159 #ifdef DAC
160 sw->conv = mixeng_conv
161 #else
162 sw->clip = mixeng_clip
163 #endif
164 [sw->info.nchannels == 2]
165 [sw->info.sign]
166 [sw->info.swap_endianness]
167 [sw->info.bits == 16];
169 sw->name = qemu_strdup (name);
170 err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
171 if (err) {
172 qemu_free (sw->name);
173 sw->name = NULL;
174 }
175 return err;
176 }
178 static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
179 {
180 glue (audio_pcm_sw_free_resources_, TYPE) (sw);
181 if (sw->name) {
182 qemu_free (sw->name);
183 sw->name = NULL;
184 }
185 }
187 static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
188 {
189 LIST_INSERT_HEAD (&hw->sw_head, sw, entries);
190 }
192 static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
193 {
194 LIST_REMOVE (sw, entries);
195 }
197 static void glue (audio_pcm_hw_gc_, TYPE) (AudioState *s, HW **hwp)
198 {
199 HW *hw = *hwp;
201 if (!hw->sw_head.lh_first) {
202 #ifdef DAC
203 audio_detach_capture (hw);
204 #endif
205 LIST_REMOVE (hw, entries);
206 glue (s->nb_hw_voices_, TYPE) += 1;
207 glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
208 glue (hw->pcm_ops->fini_, TYPE) (hw);
209 qemu_free (hw);
210 *hwp = NULL;
211 }
212 }
214 static HW *glue (audio_pcm_hw_find_any_, TYPE) (AudioState *s, HW *hw)
215 {
216 return hw ? hw->entries.le_next : s->glue (hw_head_, TYPE).lh_first;
217 }
219 static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (AudioState *s, HW *hw)
220 {
221 while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
222 if (hw->enabled) {
223 return hw;
224 }
225 }
226 return NULL;
227 }
229 static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
230 AudioState *s,
231 HW *hw,
232 audsettings_t *as
233 )
234 {
235 while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (s, hw))) {
236 if (audio_pcm_info_eq (&hw->info, as)) {
237 return hw;
238 }
239 }
240 return NULL;
241 }
243 static HW *glue (audio_pcm_hw_add_new_, TYPE) (AudioState *s, audsettings_t *as)
244 {
245 HW *hw;
246 struct audio_driver *drv = s->drv;
248 if (!glue (s->nb_hw_voices_, TYPE)) {
249 return NULL;
250 }
252 if (audio_bug (AUDIO_FUNC, !drv)) {
253 dolog ("No host audio driver\n");
254 return NULL;
255 }
257 if (audio_bug (AUDIO_FUNC, !drv->pcm_ops)) {
258 dolog ("Host audio driver without pcm_ops\n");
259 return NULL;
260 }
262 hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE));
263 if (!hw) {
264 dolog ("Can not allocate voice `%s' size %d\n",
265 drv->name, glue (drv->voice_size_, TYPE));
266 return NULL;
267 }
269 hw->pcm_ops = drv->pcm_ops;
270 LIST_INIT (&hw->sw_head);
271 #ifdef DAC
272 LIST_INIT (&hw->cap_head);
273 #endif
274 if (glue (hw->pcm_ops->init_, TYPE) (hw, as)) {
275 goto err0;
276 }
278 if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) {
279 dolog ("hw->samples=%d\n", hw->samples);
280 goto err1;
281 }
283 #ifdef DAC
284 hw->clip = mixeng_clip
285 #else
286 hw->conv = mixeng_conv
287 #endif
288 [hw->info.nchannels == 2]
289 [hw->info.sign]
290 [hw->info.swap_endianness]
291 [hw->info.bits == 16];
293 if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
294 goto err1;
295 }
297 LIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
298 glue (s->nb_hw_voices_, TYPE) -= 1;
299 #ifdef DAC
300 audio_attach_capture (s, hw);
301 #endif
302 return hw;
304 err1:
305 glue (hw->pcm_ops->fini_, TYPE) (hw);
306 err0:
307 qemu_free (hw);
308 return NULL;
309 }
311 static HW *glue (audio_pcm_hw_add_, TYPE) (AudioState *s, audsettings_t *as)
312 {
313 HW *hw;
315 if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
316 hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
317 if (hw) {
318 return hw;
319 }
320 }
322 hw = glue (audio_pcm_hw_find_specific_, TYPE) (s, NULL, as);
323 if (hw) {
324 return hw;
325 }
327 hw = glue (audio_pcm_hw_add_new_, TYPE) (s, as);
328 if (hw) {
329 return hw;
330 }
332 return glue (audio_pcm_hw_find_any_, TYPE) (s, NULL);
333 }
335 static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
336 AudioState *s,
337 const char *sw_name,
338 audsettings_t *as
339 )
340 {
341 SW *sw;
342 HW *hw;
343 audsettings_t hw_as;
345 if (glue (conf.fixed_, TYPE).enabled) {
346 hw_as = glue (conf.fixed_, TYPE).settings;
347 }
348 else {
349 hw_as = *as;
350 }
352 sw = audio_calloc (AUDIO_FUNC, 1, sizeof (*sw));
353 if (!sw) {
354 dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
355 sw_name ? sw_name : "unknown", sizeof (*sw));
356 goto err1;
357 }
359 hw = glue (audio_pcm_hw_add_, TYPE) (s, &hw_as);
360 if (!hw) {
361 goto err2;
362 }
364 glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
366 if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
367 goto err3;
368 }
370 return sw;
372 err3:
373 glue (audio_pcm_hw_del_sw_, TYPE) (sw);
374 glue (audio_pcm_hw_gc_, TYPE) (s, &hw);
375 err2:
376 qemu_free (sw);
377 err1:
378 return NULL;
379 }
381 static void glue (audio_close_, TYPE) (AudioState *s, SW *sw)
382 {
383 glue (audio_pcm_sw_fini_, TYPE) (sw);
384 glue (audio_pcm_hw_del_sw_, TYPE) (sw);
385 glue (audio_pcm_hw_gc_, TYPE) (s, &sw->hw);
386 qemu_free (sw);
387 }
389 void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw)
390 {
391 if (sw) {
392 if (audio_bug (AUDIO_FUNC, !card || !card->audio)) {
393 dolog ("card=%p card->audio=%p\n",
394 card, card ? card->audio : NULL);
395 return;
396 }
398 glue (audio_close_, TYPE) (card->audio, sw);
399 }
400 }
402 SW *glue (AUD_open_, TYPE) (
403 QEMUSoundCard *card,
404 SW *sw,
405 const char *name,
406 void *callback_opaque ,
407 audio_callback_fn_t callback_fn,
408 audsettings_t *as
409 )
410 {
411 AudioState *s;
412 #ifdef DAC
413 int live = 0;
414 SW *old_sw = NULL;
415 #endif
417 ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
418 name, as->freq, as->nchannels, as->fmt);
420 if (audio_bug (AUDIO_FUNC,
421 !card || !card->audio || !name || !callback_fn || !as)) {
422 dolog ("card=%p card->audio=%p name=%p callback_fn=%p as=%p\n",
423 card, card ? card->audio : NULL, name, callback_fn, as);
424 goto fail;
425 }
427 s = card->audio;
429 if (audio_bug (AUDIO_FUNC, audio_validate_settings (as))) {
430 audio_print_settings (as);
431 goto fail;
432 }
434 if (audio_bug (AUDIO_FUNC, !s->drv)) {
435 dolog ("Can not open `%s' (no host audio driver)\n", name);
436 goto fail;
437 }
439 if (sw && audio_pcm_info_eq (&sw->info, as)) {
440 return sw;
441 }
443 #ifdef DAC
444 if (conf.plive && sw && (!sw->active && !sw->empty)) {
445 live = sw->total_hw_samples_mixed;
447 #ifdef DEBUG_PLIVE
448 dolog ("Replacing voice %s with %d live samples\n", SW_NAME (sw), live);
449 dolog ("Old %s freq %d, bits %d, channels %d\n",
450 SW_NAME (sw), sw->info.freq, sw->info.bits, sw->info.nchannels);
451 dolog ("New %s freq %d, bits %d, channels %d\n",
452 name,
453 freq,
454 (fmt == AUD_FMT_S16 || fmt == AUD_FMT_U16) ? 16 : 8,
455 nchannels);
456 #endif
458 if (live) {
459 old_sw = sw;
460 old_sw->callback.fn = NULL;
461 sw = NULL;
462 }
463 }
464 #endif
466 if (!glue (conf.fixed_, TYPE).enabled && sw) {
467 glue (AUD_close_, TYPE) (card, sw);
468 sw = NULL;
469 }
471 if (sw) {
472 HW *hw = sw->hw;
474 if (!hw) {
475 dolog ("Internal logic error voice `%s' has no hardware store\n",
476 SW_NAME (sw));
477 goto fail;
478 }
480 glue (audio_pcm_sw_fini_, TYPE) (sw);
481 if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
482 goto fail;
483 }
484 }
485 else {
486 sw = glue (audio_pcm_create_voice_pair_, TYPE) (s, name, as);
487 if (!sw) {
488 dolog ("Failed to create voice `%s'\n", name);
489 return NULL;
490 }
491 }
493 if (sw) {
494 sw->vol = nominal_volume;
495 sw->callback.fn = callback_fn;
496 sw->callback.opaque = callback_opaque;
498 #ifdef DAC
499 if (live) {
500 int mixed =
501 (live << old_sw->info.shift)
502 * old_sw->info.bytes_per_second
503 / sw->info.bytes_per_second;
505 #ifdef DEBUG_PLIVE
506 dolog ("Silence will be mixed %d\n", mixed);
507 #endif
508 sw->total_hw_samples_mixed += mixed;
509 }
510 #endif
512 #ifdef DEBUG_AUDIO
513 dolog ("%s\n", name);
514 audio_pcm_print_info ("hw", &sw->hw->info);
515 audio_pcm_print_info ("sw", &sw->info);
516 #endif
517 }
519 return sw;
521 fail:
522 glue (AUD_close_, TYPE) (card, sw);
523 return NULL;
524 }
526 int glue (AUD_is_active_, TYPE) (SW *sw)
527 {
528 return sw ? sw->active : 0;
529 }
531 void glue (AUD_init_time_stamp_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
532 {
533 if (!sw) {
534 return;
535 }
537 ts->old_ts = sw->hw->ts_helper;
538 }
540 uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
541 {
542 uint64_t delta, cur_ts, old_ts;
544 if (!sw) {
545 return 0;
546 }
548 cur_ts = sw->hw->ts_helper;
549 old_ts = ts->old_ts;
550 /* dolog ("cur %lld old %lld\n", cur_ts, old_ts); */
552 if (cur_ts >= old_ts) {
553 delta = cur_ts - old_ts;
554 }
555 else {
556 delta = UINT64_MAX - old_ts + cur_ts;
557 }
559 if (!delta) {
560 return 0;
561 }
563 return (delta * sw->hw->info.freq) / 1000000;
564 }
566 #undef TYPE
567 #undef HW
568 #undef SW
569 #undef HWBUF
570 #undef NAME