malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 1 | /* public domain */ |
| 2 | #include "qemu-common.h" |
| 3 | #include "audio.h" |
| 4 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 5 | #include <pulse/pulseaudio.h> |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 6 | |
| 7 | #define AUDIO_CAP "pulseaudio" |
| 8 | #include "audio_int.h" |
| 9 | #include "audio_pt_int.h" |
| 10 | |
| 11 | typedef struct { |
| 12 | HWVoiceOut hw; |
| 13 | int done; |
| 14 | int live; |
| 15 | int decr; |
| 16 | int rpos; |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 17 | pa_stream *stream; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 18 | void *pcm_buf; |
| 19 | struct audio_pt pt; |
| 20 | } PAVoiceOut; |
| 21 | |
| 22 | typedef struct { |
| 23 | HWVoiceIn hw; |
| 24 | int done; |
| 25 | int dead; |
| 26 | int incr; |
| 27 | int wpos; |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 28 | pa_stream *stream; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 29 | void *pcm_buf; |
| 30 | struct audio_pt pt; |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 31 | const void *read_data; |
| 32 | size_t read_index, read_length; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 33 | } PAVoiceIn; |
| 34 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 35 | typedef struct { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 36 | int samples; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 37 | char *server; |
| 38 | char *sink; |
| 39 | char *source; |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 40 | pa_threaded_mainloop *mainloop; |
| 41 | pa_context *context; |
| 42 | } paaudio; |
| 43 | |
| 44 | static paaudio glob_paaudio = { |
Gerd Hoffmann | bf1064b | 2011-01-24 22:07:46 +0100 | [diff] [blame] | 45 | .samples = 4096, |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 46 | }; |
| 47 | |
| 48 | static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...) |
| 49 | { |
| 50 | va_list ap; |
| 51 | |
| 52 | va_start (ap, fmt); |
| 53 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 54 | va_end (ap); |
| 55 | |
| 56 | AUD_log (AUDIO_CAP, "Reason: %s\n", pa_strerror (err)); |
| 57 | } |
| 58 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 59 | #define CHECK_SUCCESS_GOTO(c, rerror, expression, label) \ |
| 60 | do { \ |
| 61 | if (!(expression)) { \ |
| 62 | if (rerror) { \ |
| 63 | *(rerror) = pa_context_errno ((c)->context); \ |
| 64 | } \ |
| 65 | goto label; \ |
| 66 | } \ |
| 67 | } while (0); |
| 68 | |
| 69 | #define CHECK_DEAD_GOTO(c, stream, rerror, label) \ |
| 70 | do { \ |
| 71 | if (!(c)->context || !PA_CONTEXT_IS_GOOD (pa_context_get_state((c)->context)) || \ |
| 72 | !(stream) || !PA_STREAM_IS_GOOD (pa_stream_get_state ((stream)))) { \ |
| 73 | if (((c)->context && pa_context_get_state ((c)->context) == PA_CONTEXT_FAILED) || \ |
| 74 | ((stream) && pa_stream_get_state ((stream)) == PA_STREAM_FAILED)) { \ |
| 75 | if (rerror) { \ |
| 76 | *(rerror) = pa_context_errno ((c)->context); \ |
| 77 | } \ |
| 78 | } else { \ |
| 79 | if (rerror) { \ |
| 80 | *(rerror) = PA_ERR_BADSTATE; \ |
| 81 | } \ |
| 82 | } \ |
| 83 | goto label; \ |
| 84 | } \ |
| 85 | } while (0); |
| 86 | |
| 87 | static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror) |
| 88 | { |
| 89 | paaudio *g = &glob_paaudio; |
| 90 | |
| 91 | pa_threaded_mainloop_lock (g->mainloop); |
| 92 | |
| 93 | CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); |
| 94 | |
| 95 | while (length > 0) { |
| 96 | size_t l; |
| 97 | |
| 98 | while (!p->read_data) { |
| 99 | int r; |
| 100 | |
| 101 | r = pa_stream_peek (p->stream, &p->read_data, &p->read_length); |
| 102 | CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail); |
| 103 | |
| 104 | if (!p->read_data) { |
| 105 | pa_threaded_mainloop_wait (g->mainloop); |
| 106 | CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); |
| 107 | } else { |
| 108 | p->read_index = 0; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | l = p->read_length < length ? p->read_length : length; |
| 113 | memcpy (data, (const uint8_t *) p->read_data+p->read_index, l); |
| 114 | |
| 115 | data = (uint8_t *) data + l; |
| 116 | length -= l; |
| 117 | |
| 118 | p->read_index += l; |
| 119 | p->read_length -= l; |
| 120 | |
| 121 | if (!p->read_length) { |
| 122 | int r; |
| 123 | |
| 124 | r = pa_stream_drop (p->stream); |
| 125 | p->read_data = NULL; |
| 126 | p->read_length = 0; |
| 127 | p->read_index = 0; |
| 128 | |
| 129 | CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | pa_threaded_mainloop_unlock (g->mainloop); |
| 134 | return 0; |
| 135 | |
| 136 | unlock_and_fail: |
| 137 | pa_threaded_mainloop_unlock (g->mainloop); |
| 138 | return -1; |
| 139 | } |
| 140 | |
| 141 | static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror) |
| 142 | { |
| 143 | paaudio *g = &glob_paaudio; |
| 144 | |
| 145 | pa_threaded_mainloop_lock (g->mainloop); |
| 146 | |
| 147 | CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); |
| 148 | |
| 149 | while (length > 0) { |
| 150 | size_t l; |
| 151 | int r; |
| 152 | |
| 153 | while (!(l = pa_stream_writable_size (p->stream))) { |
| 154 | pa_threaded_mainloop_wait (g->mainloop); |
| 155 | CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail); |
| 156 | } |
| 157 | |
| 158 | CHECK_SUCCESS_GOTO (g, rerror, l != (size_t) -1, unlock_and_fail); |
| 159 | |
| 160 | if (l > length) { |
| 161 | l = length; |
| 162 | } |
| 163 | |
| 164 | r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE); |
| 165 | CHECK_SUCCESS_GOTO (g, rerror, r >= 0, unlock_and_fail); |
| 166 | |
| 167 | data = (const uint8_t *) data + l; |
| 168 | length -= l; |
| 169 | } |
| 170 | |
| 171 | pa_threaded_mainloop_unlock (g->mainloop); |
| 172 | return 0; |
| 173 | |
| 174 | unlock_and_fail: |
| 175 | pa_threaded_mainloop_unlock (g->mainloop); |
| 176 | return -1; |
| 177 | } |
| 178 | |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 179 | static void *qpa_thread_out (void *arg) |
| 180 | { |
| 181 | PAVoiceOut *pa = arg; |
| 182 | HWVoiceOut *hw = &pa->hw; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 183 | |
| 184 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 185 | return NULL; |
| 186 | } |
| 187 | |
| 188 | for (;;) { |
| 189 | int decr, to_mix, rpos; |
| 190 | |
| 191 | for (;;) { |
| 192 | if (pa->done) { |
| 193 | goto exit; |
| 194 | } |
| 195 | |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 196 | if (pa->live > 0) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 197 | break; |
| 198 | } |
| 199 | |
| 200 | if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) { |
| 201 | goto exit; |
| 202 | } |
| 203 | } |
| 204 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 205 | decr = to_mix = audio_MIN (pa->live, glob_paaudio.samples >> 2); |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 206 | rpos = pa->rpos; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 207 | |
| 208 | if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) { |
| 209 | return NULL; |
| 210 | } |
| 211 | |
| 212 | while (to_mix) { |
| 213 | int error; |
| 214 | int chunk = audio_MIN (to_mix, hw->samples - rpos); |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 215 | struct st_sample *src = hw->mix_buf + rpos; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 216 | |
| 217 | hw->clip (pa->pcm_buf, src, chunk); |
| 218 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 219 | if (qpa_simple_write (pa, pa->pcm_buf, |
| 220 | chunk << hw->info.shift, &error) < 0) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 221 | qpa_logerr (error, "pa_simple_write failed\n"); |
| 222 | return NULL; |
| 223 | } |
| 224 | |
| 225 | rpos = (rpos + chunk) % hw->samples; |
| 226 | to_mix -= chunk; |
| 227 | } |
| 228 | |
| 229 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 230 | return NULL; |
| 231 | } |
| 232 | |
| 233 | pa->rpos = rpos; |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 234 | pa->live -= decr; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 235 | pa->decr += decr; |
| 236 | } |
| 237 | |
| 238 | exit: |
| 239 | audio_pt_unlock (&pa->pt, AUDIO_FUNC); |
| 240 | return NULL; |
| 241 | } |
| 242 | |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 243 | static int qpa_run_out (HWVoiceOut *hw, int live) |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 244 | { |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 245 | int decr; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 246 | PAVoiceOut *pa = (PAVoiceOut *) hw; |
| 247 | |
| 248 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 249 | return 0; |
| 250 | } |
| 251 | |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 252 | decr = audio_MIN (live, pa->decr); |
| 253 | pa->decr -= decr; |
| 254 | pa->live = live - decr; |
| 255 | hw->rpos = pa->rpos; |
| 256 | if (pa->live > 0) { |
| 257 | audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC); |
| 258 | } |
| 259 | else { |
| 260 | audio_pt_unlock (&pa->pt, AUDIO_FUNC); |
| 261 | } |
| 262 | return decr; |
| 263 | } |
| 264 | |
| 265 | static int qpa_write (SWVoiceOut *sw, void *buf, int len) |
| 266 | { |
| 267 | return audio_pcm_sw_write (sw, buf, len); |
| 268 | } |
| 269 | |
| 270 | /* capture */ |
| 271 | static void *qpa_thread_in (void *arg) |
| 272 | { |
| 273 | PAVoiceIn *pa = arg; |
| 274 | HWVoiceIn *hw = &pa->hw; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 275 | |
| 276 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 277 | return NULL; |
| 278 | } |
| 279 | |
| 280 | for (;;) { |
| 281 | int incr, to_grab, wpos; |
| 282 | |
| 283 | for (;;) { |
| 284 | if (pa->done) { |
| 285 | goto exit; |
| 286 | } |
| 287 | |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 288 | if (pa->dead > 0) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 289 | break; |
| 290 | } |
| 291 | |
| 292 | if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) { |
| 293 | goto exit; |
| 294 | } |
| 295 | } |
| 296 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 297 | incr = to_grab = audio_MIN (pa->dead, glob_paaudio.samples >> 2); |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 298 | wpos = pa->wpos; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 299 | |
| 300 | if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) { |
| 301 | return NULL; |
| 302 | } |
| 303 | |
| 304 | while (to_grab) { |
| 305 | int error; |
| 306 | int chunk = audio_MIN (to_grab, hw->samples - wpos); |
| 307 | void *buf = advance (pa->pcm_buf, wpos); |
| 308 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 309 | if (qpa_simple_read (pa, buf, |
| 310 | chunk << hw->info.shift, &error) < 0) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 311 | qpa_logerr (error, "pa_simple_read failed\n"); |
| 312 | return NULL; |
| 313 | } |
| 314 | |
Michael Walle | 00e0767 | 2011-01-05 01:05:47 +0100 | [diff] [blame] | 315 | hw->conv (hw->conv_buf + wpos, buf, chunk); |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 316 | wpos = (wpos + chunk) % hw->samples; |
| 317 | to_grab -= chunk; |
| 318 | } |
| 319 | |
| 320 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 321 | return NULL; |
| 322 | } |
| 323 | |
| 324 | pa->wpos = wpos; |
| 325 | pa->dead -= incr; |
| 326 | pa->incr += incr; |
| 327 | } |
| 328 | |
| 329 | exit: |
| 330 | audio_pt_unlock (&pa->pt, AUDIO_FUNC); |
| 331 | return NULL; |
| 332 | } |
| 333 | |
| 334 | static int qpa_run_in (HWVoiceIn *hw) |
| 335 | { |
| 336 | int live, incr, dead; |
| 337 | PAVoiceIn *pa = (PAVoiceIn *) hw; |
| 338 | |
| 339 | if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) { |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | live = audio_pcm_hw_get_live_in (hw); |
| 344 | dead = hw->samples - live; |
| 345 | incr = audio_MIN (dead, pa->incr); |
| 346 | pa->incr -= incr; |
| 347 | pa->dead = dead - incr; |
| 348 | hw->wpos = pa->wpos; |
| 349 | if (pa->dead > 0) { |
| 350 | audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC); |
| 351 | } |
| 352 | else { |
| 353 | audio_pt_unlock (&pa->pt, AUDIO_FUNC); |
| 354 | } |
| 355 | return incr; |
| 356 | } |
| 357 | |
| 358 | static int qpa_read (SWVoiceIn *sw, void *buf, int len) |
| 359 | { |
| 360 | return audio_pcm_sw_read (sw, buf, len); |
| 361 | } |
| 362 | |
| 363 | static pa_sample_format_t audfmt_to_pa (audfmt_e afmt, int endianness) |
| 364 | { |
| 365 | int format; |
| 366 | |
| 367 | switch (afmt) { |
| 368 | case AUD_FMT_S8: |
| 369 | case AUD_FMT_U8: |
| 370 | format = PA_SAMPLE_U8; |
| 371 | break; |
| 372 | case AUD_FMT_S16: |
| 373 | case AUD_FMT_U16: |
| 374 | format = endianness ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE; |
| 375 | break; |
| 376 | case AUD_FMT_S32: |
| 377 | case AUD_FMT_U32: |
| 378 | format = endianness ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE; |
| 379 | break; |
| 380 | default: |
| 381 | dolog ("Internal logic error: Bad audio format %d\n", afmt); |
| 382 | format = PA_SAMPLE_U8; |
| 383 | break; |
| 384 | } |
| 385 | return format; |
| 386 | } |
| 387 | |
| 388 | static audfmt_e pa_to_audfmt (pa_sample_format_t fmt, int *endianness) |
| 389 | { |
| 390 | switch (fmt) { |
| 391 | case PA_SAMPLE_U8: |
| 392 | return AUD_FMT_U8; |
| 393 | case PA_SAMPLE_S16BE: |
| 394 | *endianness = 1; |
| 395 | return AUD_FMT_S16; |
| 396 | case PA_SAMPLE_S16LE: |
| 397 | *endianness = 0; |
| 398 | return AUD_FMT_S16; |
| 399 | case PA_SAMPLE_S32BE: |
| 400 | *endianness = 1; |
| 401 | return AUD_FMT_S32; |
| 402 | case PA_SAMPLE_S32LE: |
| 403 | *endianness = 0; |
| 404 | return AUD_FMT_S32; |
| 405 | default: |
| 406 | dolog ("Internal logic error: Bad pa_sample_format %d\n", fmt); |
| 407 | return AUD_FMT_U8; |
| 408 | } |
| 409 | } |
| 410 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 411 | static void context_state_cb (pa_context *c, void *userdata) |
| 412 | { |
| 413 | paaudio *g = &glob_paaudio; |
| 414 | |
| 415 | switch (pa_context_get_state(c)) { |
| 416 | case PA_CONTEXT_READY: |
| 417 | case PA_CONTEXT_TERMINATED: |
| 418 | case PA_CONTEXT_FAILED: |
| 419 | pa_threaded_mainloop_signal (g->mainloop, 0); |
| 420 | break; |
| 421 | |
| 422 | case PA_CONTEXT_UNCONNECTED: |
| 423 | case PA_CONTEXT_CONNECTING: |
| 424 | case PA_CONTEXT_AUTHORIZING: |
| 425 | case PA_CONTEXT_SETTING_NAME: |
| 426 | break; |
| 427 | } |
| 428 | } |
| 429 | |
| 430 | static void stream_state_cb (pa_stream *s, void * userdata) |
| 431 | { |
| 432 | paaudio *g = &glob_paaudio; |
| 433 | |
| 434 | switch (pa_stream_get_state (s)) { |
| 435 | |
| 436 | case PA_STREAM_READY: |
| 437 | case PA_STREAM_FAILED: |
| 438 | case PA_STREAM_TERMINATED: |
| 439 | pa_threaded_mainloop_signal (g->mainloop, 0); |
| 440 | break; |
| 441 | |
| 442 | case PA_STREAM_UNCONNECTED: |
| 443 | case PA_STREAM_CREATING: |
| 444 | break; |
| 445 | } |
| 446 | } |
| 447 | |
| 448 | static void stream_request_cb (pa_stream *s, size_t length, void *userdata) |
| 449 | { |
| 450 | paaudio *g = &glob_paaudio; |
| 451 | |
| 452 | pa_threaded_mainloop_signal (g->mainloop, 0); |
| 453 | } |
| 454 | |
| 455 | static pa_stream *qpa_simple_new ( |
| 456 | const char *server, |
| 457 | const char *name, |
| 458 | pa_stream_direction_t dir, |
| 459 | const char *dev, |
| 460 | const char *stream_name, |
| 461 | const pa_sample_spec *ss, |
| 462 | const pa_channel_map *map, |
| 463 | const pa_buffer_attr *attr, |
| 464 | int *rerror) |
| 465 | { |
| 466 | paaudio *g = &glob_paaudio; |
| 467 | int r; |
| 468 | pa_stream *stream; |
| 469 | |
| 470 | pa_threaded_mainloop_lock (g->mainloop); |
| 471 | |
| 472 | stream = pa_stream_new (g->context, name, ss, map); |
| 473 | if (!stream) { |
| 474 | goto fail; |
| 475 | } |
| 476 | |
| 477 | pa_stream_set_state_callback (stream, stream_state_cb, g); |
| 478 | pa_stream_set_read_callback (stream, stream_request_cb, g); |
| 479 | pa_stream_set_write_callback (stream, stream_request_cb, g); |
| 480 | |
| 481 | if (dir == PA_STREAM_PLAYBACK) { |
| 482 | r = pa_stream_connect_playback (stream, dev, attr, |
| 483 | PA_STREAM_INTERPOLATE_TIMING |
| 484 | |PA_STREAM_ADJUST_LATENCY |
| 485 | |PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL); |
| 486 | } else { |
| 487 | r = pa_stream_connect_record (stream, dev, attr, |
| 488 | PA_STREAM_INTERPOLATE_TIMING |
| 489 | |PA_STREAM_ADJUST_LATENCY |
| 490 | |PA_STREAM_AUTO_TIMING_UPDATE); |
| 491 | } |
| 492 | |
| 493 | if (r < 0) { |
| 494 | goto fail; |
| 495 | } |
| 496 | |
| 497 | pa_threaded_mainloop_unlock (g->mainloop); |
| 498 | |
| 499 | return stream; |
| 500 | |
| 501 | fail: |
| 502 | pa_threaded_mainloop_unlock (g->mainloop); |
| 503 | |
| 504 | if (stream) { |
| 505 | pa_stream_unref (stream); |
| 506 | } |
| 507 | |
| 508 | qpa_logerr (pa_context_errno (g->context), |
| 509 | "stream_new() failed\n"); |
| 510 | |
| 511 | return NULL; |
| 512 | } |
| 513 | |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 514 | static int qpa_init_out (HWVoiceOut *hw, struct audsettings *as) |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 515 | { |
| 516 | int error; |
| 517 | static pa_sample_spec ss; |
Gerd Hoffmann | e6d16fa | 2011-01-24 22:07:45 +0100 | [diff] [blame] | 518 | static pa_buffer_attr ba; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 519 | struct audsettings obt_as = *as; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 520 | PAVoiceOut *pa = (PAVoiceOut *) hw; |
| 521 | |
| 522 | ss.format = audfmt_to_pa (as->fmt, as->endianness); |
| 523 | ss.channels = as->nchannels; |
| 524 | ss.rate = as->freq; |
| 525 | |
Gerd Hoffmann | e6d16fa | 2011-01-24 22:07:45 +0100 | [diff] [blame] | 526 | /* |
| 527 | * qemu audio tick runs at 250 Hz (by default), so processing |
| 528 | * data chunks worth 4 ms of sound should be a good fit. |
| 529 | */ |
| 530 | ba.tlength = pa_usec_to_bytes (4 * 1000, &ss); |
| 531 | ba.minreq = pa_usec_to_bytes (2 * 1000, &ss); |
| 532 | ba.maxlength = -1; |
| 533 | ba.prebuf = -1; |
| 534 | |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 535 | obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness); |
| 536 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 537 | pa->stream = qpa_simple_new ( |
| 538 | glob_paaudio.server, |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 539 | "qemu", |
| 540 | PA_STREAM_PLAYBACK, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 541 | glob_paaudio.sink, |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 542 | "pcm.playback", |
| 543 | &ss, |
| 544 | NULL, /* channel map */ |
Gerd Hoffmann | e6d16fa | 2011-01-24 22:07:45 +0100 | [diff] [blame] | 545 | &ba, /* buffering attributes */ |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 546 | &error |
| 547 | ); |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 548 | if (!pa->stream) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 549 | qpa_logerr (error, "pa_simple_new for playback failed\n"); |
| 550 | goto fail1; |
| 551 | } |
| 552 | |
| 553 | audio_pcm_init_info (&hw->info, &obt_as); |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 554 | hw->samples = glob_paaudio.samples; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 555 | pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 556 | pa->rpos = hw->rpos; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 557 | if (!pa->pcm_buf) { |
| 558 | dolog ("Could not allocate buffer (%d bytes)\n", |
| 559 | hw->samples << hw->info.shift); |
| 560 | goto fail2; |
| 561 | } |
| 562 | |
| 563 | if (audio_pt_init (&pa->pt, qpa_thread_out, hw, AUDIO_CAP, AUDIO_FUNC)) { |
| 564 | goto fail3; |
| 565 | } |
| 566 | |
| 567 | return 0; |
| 568 | |
| 569 | fail3: |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 570 | g_free (pa->pcm_buf); |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 571 | pa->pcm_buf = NULL; |
| 572 | fail2: |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 573 | if (pa->stream) { |
| 574 | pa_stream_unref (pa->stream); |
| 575 | pa->stream = NULL; |
| 576 | } |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 577 | fail1: |
| 578 | return -1; |
| 579 | } |
| 580 | |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 581 | static int qpa_init_in (HWVoiceIn *hw, struct audsettings *as) |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 582 | { |
| 583 | int error; |
| 584 | static pa_sample_spec ss; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 585 | struct audsettings obt_as = *as; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 586 | PAVoiceIn *pa = (PAVoiceIn *) hw; |
| 587 | |
| 588 | ss.format = audfmt_to_pa (as->fmt, as->endianness); |
| 589 | ss.channels = as->nchannels; |
| 590 | ss.rate = as->freq; |
| 591 | |
| 592 | obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness); |
| 593 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 594 | pa->stream = qpa_simple_new ( |
| 595 | glob_paaudio.server, |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 596 | "qemu", |
| 597 | PA_STREAM_RECORD, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 598 | glob_paaudio.source, |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 599 | "pcm.capture", |
| 600 | &ss, |
| 601 | NULL, /* channel map */ |
| 602 | NULL, /* buffering attributes */ |
| 603 | &error |
| 604 | ); |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 605 | if (!pa->stream) { |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 606 | qpa_logerr (error, "pa_simple_new for capture failed\n"); |
| 607 | goto fail1; |
| 608 | } |
| 609 | |
| 610 | audio_pcm_init_info (&hw->info, &obt_as); |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 611 | hw->samples = glob_paaudio.samples; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 612 | pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); |
Gerd Hoffmann | 6315633 | 2011-01-24 22:07:44 +0100 | [diff] [blame] | 613 | pa->wpos = hw->wpos; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 614 | if (!pa->pcm_buf) { |
| 615 | dolog ("Could not allocate buffer (%d bytes)\n", |
| 616 | hw->samples << hw->info.shift); |
| 617 | goto fail2; |
| 618 | } |
| 619 | |
| 620 | if (audio_pt_init (&pa->pt, qpa_thread_in, hw, AUDIO_CAP, AUDIO_FUNC)) { |
| 621 | goto fail3; |
| 622 | } |
| 623 | |
| 624 | return 0; |
| 625 | |
| 626 | fail3: |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 627 | g_free (pa->pcm_buf); |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 628 | pa->pcm_buf = NULL; |
| 629 | fail2: |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 630 | if (pa->stream) { |
| 631 | pa_stream_unref (pa->stream); |
| 632 | pa->stream = NULL; |
| 633 | } |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 634 | fail1: |
| 635 | return -1; |
| 636 | } |
| 637 | |
| 638 | static void qpa_fini_out (HWVoiceOut *hw) |
| 639 | { |
| 640 | void *ret; |
| 641 | PAVoiceOut *pa = (PAVoiceOut *) hw; |
| 642 | |
| 643 | audio_pt_lock (&pa->pt, AUDIO_FUNC); |
| 644 | pa->done = 1; |
| 645 | audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC); |
| 646 | audio_pt_join (&pa->pt, &ret, AUDIO_FUNC); |
| 647 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 648 | if (pa->stream) { |
| 649 | pa_stream_unref (pa->stream); |
| 650 | pa->stream = NULL; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | audio_pt_fini (&pa->pt, AUDIO_FUNC); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 654 | g_free (pa->pcm_buf); |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 655 | pa->pcm_buf = NULL; |
| 656 | } |
| 657 | |
| 658 | static void qpa_fini_in (HWVoiceIn *hw) |
| 659 | { |
| 660 | void *ret; |
| 661 | PAVoiceIn *pa = (PAVoiceIn *) hw; |
| 662 | |
| 663 | audio_pt_lock (&pa->pt, AUDIO_FUNC); |
| 664 | pa->done = 1; |
| 665 | audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC); |
| 666 | audio_pt_join (&pa->pt, &ret, AUDIO_FUNC); |
| 667 | |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 668 | if (pa->stream) { |
| 669 | pa_stream_unref (pa->stream); |
| 670 | pa->stream = NULL; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 671 | } |
| 672 | |
| 673 | audio_pt_fini (&pa->pt, AUDIO_FUNC); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 674 | g_free (pa->pcm_buf); |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 675 | pa->pcm_buf = NULL; |
| 676 | } |
| 677 | |
| 678 | static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...) |
| 679 | { |
Marc-André Lureau | 6e7a7f3 | 2012-04-17 14:32:43 +0200 | [diff] [blame] | 680 | PAVoiceOut *pa = (PAVoiceOut *) hw; |
| 681 | pa_operation *op; |
| 682 | pa_cvolume v; |
| 683 | paaudio *g = &glob_paaudio; |
| 684 | |
| 685 | pa_cvolume_init (&v); |
| 686 | |
| 687 | switch (cmd) { |
| 688 | case VOICE_VOLUME: |
| 689 | { |
| 690 | SWVoiceOut *sw; |
| 691 | va_list ap; |
| 692 | |
| 693 | va_start (ap, cmd); |
| 694 | sw = va_arg (ap, SWVoiceOut *); |
| 695 | va_end (ap); |
| 696 | |
| 697 | v.channels = 2; |
| 698 | v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; |
| 699 | v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; |
| 700 | |
| 701 | pa_threaded_mainloop_lock (g->mainloop); |
| 702 | |
| 703 | op = pa_context_set_sink_input_volume (g->context, |
| 704 | pa_stream_get_index (pa->stream), |
| 705 | &v, NULL, NULL); |
| 706 | if (!op) |
| 707 | qpa_logerr (pa_context_errno (g->context), |
| 708 | "set_sink_input_volume() failed\n"); |
| 709 | else |
| 710 | pa_operation_unref (op); |
| 711 | |
| 712 | op = pa_context_set_sink_input_mute (g->context, |
| 713 | pa_stream_get_index (pa->stream), |
| 714 | sw->vol.mute, NULL, NULL); |
| 715 | if (!op) { |
| 716 | qpa_logerr (pa_context_errno (g->context), |
| 717 | "set_sink_input_mute() failed\n"); |
| 718 | } else { |
| 719 | pa_operation_unref (op); |
| 720 | } |
| 721 | |
| 722 | pa_threaded_mainloop_unlock (g->mainloop); |
| 723 | } |
| 724 | } |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 725 | return 0; |
| 726 | } |
| 727 | |
| 728 | static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 729 | { |
Marc-André Lureau | 6e7a7f3 | 2012-04-17 14:32:43 +0200 | [diff] [blame] | 730 | PAVoiceIn *pa = (PAVoiceIn *) hw; |
| 731 | pa_operation *op; |
| 732 | pa_cvolume v; |
| 733 | paaudio *g = &glob_paaudio; |
| 734 | |
| 735 | pa_cvolume_init (&v); |
| 736 | |
| 737 | switch (cmd) { |
| 738 | case VOICE_VOLUME: |
| 739 | { |
| 740 | SWVoiceIn *sw; |
| 741 | va_list ap; |
| 742 | |
| 743 | va_start (ap, cmd); |
| 744 | sw = va_arg (ap, SWVoiceIn *); |
| 745 | va_end (ap); |
| 746 | |
| 747 | v.channels = 2; |
| 748 | v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX; |
| 749 | v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX; |
| 750 | |
| 751 | pa_threaded_mainloop_lock (g->mainloop); |
| 752 | |
| 753 | /* FIXME: use the upcoming "set_source_output_{volume,mute}" */ |
| 754 | op = pa_context_set_source_volume_by_index (g->context, |
| 755 | pa_stream_get_device_index (pa->stream), |
| 756 | &v, NULL, NULL); |
| 757 | if (!op) { |
| 758 | qpa_logerr (pa_context_errno (g->context), |
| 759 | "set_source_volume() failed\n"); |
| 760 | } else { |
| 761 | pa_operation_unref(op); |
| 762 | } |
| 763 | |
| 764 | op = pa_context_set_source_mute_by_index (g->context, |
| 765 | pa_stream_get_index (pa->stream), |
| 766 | sw->vol.mute, NULL, NULL); |
| 767 | if (!op) { |
| 768 | qpa_logerr (pa_context_errno (g->context), |
| 769 | "set_source_mute() failed\n"); |
| 770 | } else { |
| 771 | pa_operation_unref (op); |
| 772 | } |
| 773 | |
| 774 | pa_threaded_mainloop_unlock (g->mainloop); |
| 775 | } |
| 776 | } |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 777 | return 0; |
| 778 | } |
| 779 | |
| 780 | /* common */ |
| 781 | static void *qpa_audio_init (void) |
| 782 | { |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 783 | paaudio *g = &glob_paaudio; |
| 784 | |
| 785 | g->mainloop = pa_threaded_mainloop_new (); |
| 786 | if (!g->mainloop) { |
| 787 | goto fail; |
| 788 | } |
| 789 | |
| 790 | g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop), glob_paaudio.server); |
| 791 | if (!g->context) { |
| 792 | goto fail; |
| 793 | } |
| 794 | |
| 795 | pa_context_set_state_callback (g->context, context_state_cb, g); |
| 796 | |
| 797 | if (pa_context_connect (g->context, glob_paaudio.server, 0, NULL) < 0) { |
| 798 | qpa_logerr (pa_context_errno (g->context), |
| 799 | "pa_context_connect() failed\n"); |
| 800 | goto fail; |
| 801 | } |
| 802 | |
| 803 | pa_threaded_mainloop_lock (g->mainloop); |
| 804 | |
| 805 | if (pa_threaded_mainloop_start (g->mainloop) < 0) { |
| 806 | goto unlock_and_fail; |
| 807 | } |
| 808 | |
| 809 | for (;;) { |
| 810 | pa_context_state_t state; |
| 811 | |
| 812 | state = pa_context_get_state (g->context); |
| 813 | |
| 814 | if (state == PA_CONTEXT_READY) { |
| 815 | break; |
| 816 | } |
| 817 | |
| 818 | if (!PA_CONTEXT_IS_GOOD (state)) { |
| 819 | qpa_logerr (pa_context_errno (g->context), |
| 820 | "Wrong context state\n"); |
| 821 | goto unlock_and_fail; |
| 822 | } |
| 823 | |
| 824 | /* Wait until the context is ready */ |
| 825 | pa_threaded_mainloop_wait (g->mainloop); |
| 826 | } |
| 827 | |
| 828 | pa_threaded_mainloop_unlock (g->mainloop); |
| 829 | |
| 830 | return &glob_paaudio; |
| 831 | |
| 832 | unlock_and_fail: |
| 833 | pa_threaded_mainloop_unlock (g->mainloop); |
| 834 | fail: |
| 835 | AUD_log (AUDIO_CAP, "Failed to initialize PA context"); |
| 836 | return NULL; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 837 | } |
| 838 | |
| 839 | static void qpa_audio_fini (void *opaque) |
| 840 | { |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 841 | paaudio *g = opaque; |
| 842 | |
| 843 | if (g->mainloop) { |
| 844 | pa_threaded_mainloop_stop (g->mainloop); |
| 845 | } |
| 846 | |
| 847 | if (g->context) { |
| 848 | pa_context_disconnect (g->context); |
| 849 | pa_context_unref (g->context); |
| 850 | g->context = NULL; |
| 851 | } |
| 852 | |
| 853 | if (g->mainloop) { |
| 854 | pa_threaded_mainloop_free (g->mainloop); |
| 855 | } |
| 856 | |
| 857 | g->mainloop = NULL; |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 858 | } |
| 859 | |
| 860 | struct audio_option qpa_options[] = { |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 861 | { |
| 862 | .name = "SAMPLES", |
| 863 | .tag = AUD_OPT_INT, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 864 | .valp = &glob_paaudio.samples, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 865 | .descr = "buffer size in samples" |
| 866 | }, |
| 867 | { |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 868 | .name = "SERVER", |
| 869 | .tag = AUD_OPT_STR, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 870 | .valp = &glob_paaudio.server, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 871 | .descr = "server address" |
| 872 | }, |
| 873 | { |
| 874 | .name = "SINK", |
| 875 | .tag = AUD_OPT_STR, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 876 | .valp = &glob_paaudio.sink, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 877 | .descr = "sink device name" |
| 878 | }, |
| 879 | { |
| 880 | .name = "SOURCE", |
| 881 | .tag = AUD_OPT_STR, |
Marc-André Lureau | ea9ebc2 | 2012-04-17 14:32:41 +0200 | [diff] [blame] | 882 | .valp = &glob_paaudio.source, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 883 | .descr = "source device name" |
| 884 | }, |
Juan Quintela | 2700efa | 2009-08-11 02:31:16 +0200 | [diff] [blame] | 885 | { /* End of list */ } |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 886 | }; |
| 887 | |
blueswir1 | 35f4b58 | 2008-10-06 18:08:30 +0000 | [diff] [blame] | 888 | static struct audio_pcm_ops qpa_pcm_ops = { |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 889 | .init_out = qpa_init_out, |
| 890 | .fini_out = qpa_fini_out, |
| 891 | .run_out = qpa_run_out, |
| 892 | .write = qpa_write, |
| 893 | .ctl_out = qpa_ctl_out, |
| 894 | |
| 895 | .init_in = qpa_init_in, |
| 896 | .fini_in = qpa_fini_in, |
| 897 | .run_in = qpa_run_in, |
| 898 | .read = qpa_read, |
| 899 | .ctl_in = qpa_ctl_in |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 900 | }; |
| 901 | |
| 902 | struct audio_driver pa_audio_driver = { |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 903 | .name = "pa", |
| 904 | .descr = "http://www.pulseaudio.org/", |
| 905 | .options = qpa_options, |
| 906 | .init = qpa_audio_init, |
| 907 | .fini = qpa_audio_fini, |
| 908 | .pcm_ops = &qpa_pcm_ops, |
Michael S. Tsirkin | 1a4ea1e | 2009-10-13 16:08:55 +0200 | [diff] [blame] | 909 | .can_be_default = 1, |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 910 | .max_voices_out = INT_MAX, |
| 911 | .max_voices_in = INT_MAX, |
| 912 | .voice_size_out = sizeof (PAVoiceOut), |
Marc-André Lureau | 6e7a7f3 | 2012-04-17 14:32:43 +0200 | [diff] [blame] | 913 | .voice_size_in = sizeof (PAVoiceIn), |
| 914 | .ctl_caps = VOICE_VOLUME_CAP |
malc | b8e59f1 | 2008-07-02 21:03:08 +0000 | [diff] [blame] | 915 | }; |