The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * QEMU ESD audio driver |
| 3 | * |
David 'Digit' Turner | 5ad9feb | 2009-08-21 03:05:29 +0200 | [diff] [blame] | 4 | * Copyright (c) 2008-2009 The Android Open Source Project |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 5 | * Copyright (c) 2006 Frederick Reeve (brushed up by malc) |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 25 | #include <esd.h> |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 26 | #include "qemu-common.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 27 | #include "audio.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 28 | |
| 29 | #define AUDIO_CAP "esd" |
| 30 | #include "audio_int.h" |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 31 | #include "audio_pt_int.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 32 | |
David 'Digit' Turner | e1e03df | 2013-12-15 00:42:21 +0100 | [diff] [blame] | 33 | #include "android/qemu-debug.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 34 | |
| 35 | #define DEBUG 1 |
| 36 | |
| 37 | #if DEBUG |
| 38 | # include <stdio.h> |
| 39 | # define D(...) VERBOSE_PRINT(audio,__VA_ARGS__) |
| 40 | # define D_ACTIVE VERBOSE_CHECK(audio) |
| 41 | # define O(...) VERBOSE_PRINT(audioout,__VA_ARGS__) |
| 42 | # define I(...) VERBOSE_PRINT(audioin,__VA_ARGS__) |
| 43 | #else |
| 44 | # define D(...) ((void)0) |
| 45 | # define D_ACTIVE 0 |
| 46 | # define O(...) ((void)0) |
| 47 | # define I(...) ((void)0) |
| 48 | #endif |
| 49 | |
| 50 | #define STRINGIFY_(x) #x |
| 51 | #define STRINGIFY(x) STRINGIFY_(x) |
| 52 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 53 | #include <dlfcn.h> |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 54 | /* link dynamically to the libesd.so */ |
| 55 | |
| 56 | #define DYNLINK_FUNCTIONS \ |
| 57 | DYNLINK_FUNC(int,esd_play_stream,(esd_format_t,int,const char*,const char*)) \ |
| 58 | DYNLINK_FUNC(int,esd_record_stream,(esd_format_t,int,const char*,const char*)) \ |
| 59 | DYNLINK_FUNC(int,esd_open_sound,( const char *host )) \ |
| 60 | DYNLINK_FUNC(int,esd_close,(int)) \ |
| 61 | |
| 62 | #define DYNLINK_FUNCTIONS_INIT \ |
| 63 | esd_dynlink_init |
| 64 | |
David 'Digit' Turner | 1634ff5 | 2013-12-14 23:31:41 +0100 | [diff] [blame] | 65 | #include "android/dynlink.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 66 | |
| 67 | static void* esd_lib; |
| 68 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 69 | |
| 70 | typedef struct { |
| 71 | HWVoiceOut hw; |
| 72 | int done; |
| 73 | int live; |
| 74 | int decr; |
| 75 | int rpos; |
| 76 | void *pcm_buf; |
| 77 | int fd; |
| 78 | struct audio_pt pt; |
| 79 | } ESDVoiceOut; |
| 80 | |
| 81 | typedef struct { |
| 82 | HWVoiceIn hw; |
| 83 | int done; |
| 84 | int dead; |
| 85 | int incr; |
| 86 | int wpos; |
| 87 | void *pcm_buf; |
| 88 | int fd; |
| 89 | struct audio_pt pt; |
| 90 | } ESDVoiceIn; |
| 91 | |
| 92 | static struct { |
| 93 | int samples; |
| 94 | int divisor; |
| 95 | char *dac_host; |
| 96 | char *adc_host; |
| 97 | } conf = { |
| 98 | .samples = 1024, |
| 99 | .divisor = 2, |
| 100 | }; |
| 101 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 102 | static void GCC_FMT_ATTR (2, 3) qesd_logerr (int err, const char *fmt, ...) |
| 103 | { |
| 104 | va_list ap; |
| 105 | |
| 106 | va_start (ap, fmt); |
| 107 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 108 | va_end (ap); |
| 109 | |
| 110 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
| 111 | } |
| 112 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 113 | /* playback */ |
| 114 | static void *qesd_thread_out (void *arg) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 115 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 116 | ESDVoiceOut *esd = arg; |
| 117 | HWVoiceOut *hw = &esd->hw; |
| 118 | int threshold; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 119 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 120 | threshold = conf.divisor ? hw->samples / conf.divisor : 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 121 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 122 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 123 | return NULL; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 124 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 125 | |
| 126 | for (;;) { |
| 127 | int decr, to_mix, rpos; |
| 128 | |
| 129 | for (;;) { |
| 130 | if (esd->done) { |
| 131 | goto exit; |
| 132 | } |
| 133 | |
| 134 | if (esd->live > threshold) { |
| 135 | break; |
| 136 | } |
| 137 | |
| 138 | if (audio_pt_wait (&esd->pt, AUDIO_FUNC)) { |
| 139 | goto exit; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | decr = to_mix = esd->live; |
| 144 | rpos = hw->rpos; |
| 145 | |
| 146 | if (audio_pt_unlock (&esd->pt, AUDIO_FUNC)) { |
| 147 | return NULL; |
| 148 | } |
| 149 | |
| 150 | while (to_mix) { |
| 151 | ssize_t written; |
| 152 | int chunk = audio_MIN (to_mix, hw->samples - rpos); |
| 153 | struct st_sample *src = hw->mix_buf + rpos; |
| 154 | |
| 155 | hw->clip (esd->pcm_buf, src, chunk); |
| 156 | |
| 157 | again: |
| 158 | written = write (esd->fd, esd->pcm_buf, chunk << hw->info.shift); |
| 159 | if (written == -1) { |
| 160 | if (errno == EINTR || errno == EAGAIN) { |
| 161 | goto again; |
| 162 | } |
| 163 | qesd_logerr (errno, "write failed\n"); |
| 164 | return NULL; |
| 165 | } |
| 166 | |
| 167 | if (written != chunk << hw->info.shift) { |
| 168 | int wsamples = written >> hw->info.shift; |
| 169 | int wbytes = wsamples << hw->info.shift; |
| 170 | if (wbytes != written) { |
| 171 | dolog ("warning: Misaligned write %d (requested %zd), " |
| 172 | "alignment %d\n", |
| 173 | wbytes, written, hw->info.align + 1); |
| 174 | } |
| 175 | to_mix -= wsamples; |
| 176 | rpos = (rpos + wsamples) % hw->samples; |
| 177 | break; |
| 178 | } |
| 179 | |
| 180 | rpos = (rpos + chunk) % hw->samples; |
| 181 | to_mix -= chunk; |
| 182 | } |
| 183 | |
| 184 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 185 | return NULL; |
| 186 | } |
| 187 | |
| 188 | esd->rpos = rpos; |
| 189 | esd->live -= decr; |
| 190 | esd->decr += decr; |
| 191 | } |
| 192 | |
| 193 | exit: |
| 194 | audio_pt_unlock (&esd->pt, AUDIO_FUNC); |
| 195 | return NULL; |
| 196 | } |
| 197 | |
| 198 | static int qesd_run_out (HWVoiceOut *hw, int live) |
| 199 | { |
| 200 | int decr; |
| 201 | ESDVoiceOut *esd = (ESDVoiceOut *) hw; |
| 202 | |
| 203 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 204 | return 0; |
| 205 | } |
| 206 | |
| 207 | decr = audio_MIN (live, esd->decr); |
| 208 | esd->decr -= decr; |
| 209 | esd->live = live - decr; |
| 210 | hw->rpos = esd->rpos; |
| 211 | if (esd->live > 0) { |
| 212 | audio_pt_unlock_and_signal (&esd->pt, AUDIO_FUNC); |
| 213 | } |
| 214 | else { |
| 215 | audio_pt_unlock (&esd->pt, AUDIO_FUNC); |
| 216 | } |
| 217 | return decr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | static int qesd_write (SWVoiceOut *sw, void *buf, int len) |
| 221 | { |
| 222 | return audio_pcm_sw_write (sw, buf, len); |
| 223 | } |
| 224 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 225 | static int qesd_init_out (HWVoiceOut *hw, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 226 | { |
| 227 | ESDVoiceOut *esd = (ESDVoiceOut *) hw; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 228 | struct audsettings obt_as = *as; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 229 | int esdfmt = ESD_STREAM | ESD_PLAY; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 230 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 231 | esdfmt |= (as->nchannels == 2) ? ESD_STEREO : ESD_MONO; |
| 232 | switch (as->fmt) { |
| 233 | case AUD_FMT_S8: |
| 234 | case AUD_FMT_U8: |
| 235 | esdfmt |= ESD_BITS8; |
| 236 | obt_as.fmt = AUD_FMT_U8; |
| 237 | break; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 238 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 239 | case AUD_FMT_S32: |
| 240 | case AUD_FMT_U32: |
| 241 | dolog ("Will use 16 instead of 32 bit samples\n"); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 242 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 243 | case AUD_FMT_S16: |
| 244 | case AUD_FMT_U16: |
| 245 | deffmt: |
| 246 | esdfmt |= ESD_BITS16; |
| 247 | obt_as.fmt = AUD_FMT_S16; |
| 248 | break; |
| 249 | |
| 250 | default: |
| 251 | dolog ("Internal logic error: Bad audio format %d\n", as->fmt); |
| 252 | goto deffmt; |
| 253 | |
| 254 | } |
| 255 | obt_as.endianness = AUDIO_HOST_ENDIANNESS; |
| 256 | |
| 257 | audio_pcm_init_info (&hw->info, &obt_as); |
| 258 | |
| 259 | hw->samples = conf.samples; |
| 260 | esd->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); |
| 261 | if (!esd->pcm_buf) { |
| 262 | dolog ("Could not allocate buffer (%d bytes)\n", |
| 263 | hw->samples << hw->info.shift); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 264 | return -1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | esd->fd = FF(esd_play_stream) (esdfmt, as->freq, conf.dac_host, NULL); |
| 268 | if (esd->fd < 0) { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 269 | qesd_logerr (errno, "esd_play_stream failed\n"); |
| 270 | goto fail1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 271 | } |
| 272 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 273 | if (audio_pt_init (&esd->pt, qesd_thread_out, esd, AUDIO_CAP, AUDIO_FUNC)) { |
| 274 | goto fail2; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 275 | } |
| 276 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 277 | return 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 278 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 279 | fail2: |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 280 | if (close (esd->fd)) { |
| 281 | qesd_logerr (errno, "%s: close on esd socket(%d) failed\n", |
| 282 | AUDIO_FUNC, esd->fd); |
| 283 | } |
| 284 | esd->fd = -1; |
| 285 | |
| 286 | fail1: |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 287 | g_free (esd->pcm_buf); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 288 | esd->pcm_buf = NULL; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 289 | return -1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | static void qesd_fini_out (HWVoiceOut *hw) |
| 293 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 294 | void *ret; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 295 | ESDVoiceOut *esd = (ESDVoiceOut *) hw; |
| 296 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 297 | audio_pt_lock (&esd->pt, AUDIO_FUNC); |
| 298 | esd->done = 1; |
| 299 | audio_pt_unlock_and_signal (&esd->pt, AUDIO_FUNC); |
| 300 | audio_pt_join (&esd->pt, &ret, AUDIO_FUNC); |
| 301 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 302 | if (esd->fd >= 0) { |
| 303 | if (close (esd->fd)) { |
| 304 | qesd_logerr (errno, "failed to close esd socket\n"); |
| 305 | } |
| 306 | esd->fd = -1; |
| 307 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 308 | |
| 309 | audio_pt_fini (&esd->pt, AUDIO_FUNC); |
| 310 | |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 311 | g_free (esd->pcm_buf); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 312 | esd->pcm_buf = NULL; |
| 313 | } |
| 314 | |
| 315 | static int qesd_ctl_out (HWVoiceOut *hw, int cmd, ...) |
| 316 | { |
| 317 | (void) hw; |
| 318 | (void) cmd; |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | /* capture */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 323 | static void *qesd_thread_in (void *arg) |
| 324 | { |
| 325 | ESDVoiceIn *esd = arg; |
| 326 | HWVoiceIn *hw = &esd->hw; |
| 327 | int threshold; |
| 328 | |
| 329 | threshold = conf.divisor ? hw->samples / conf.divisor : 0; |
| 330 | |
| 331 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 332 | return NULL; |
| 333 | } |
| 334 | |
| 335 | for (;;) { |
| 336 | int incr, to_grab, wpos; |
| 337 | |
| 338 | for (;;) { |
| 339 | if (esd->done) { |
| 340 | goto exit; |
| 341 | } |
| 342 | |
| 343 | if (esd->dead > threshold) { |
| 344 | break; |
| 345 | } |
| 346 | |
| 347 | if (audio_pt_wait (&esd->pt, AUDIO_FUNC)) { |
| 348 | goto exit; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | incr = to_grab = esd->dead; |
| 353 | wpos = hw->wpos; |
| 354 | |
| 355 | if (audio_pt_unlock (&esd->pt, AUDIO_FUNC)) { |
| 356 | return NULL; |
| 357 | } |
| 358 | |
| 359 | while (to_grab) { |
| 360 | ssize_t nread; |
| 361 | int chunk = audio_MIN (to_grab, hw->samples - wpos); |
| 362 | void *buf = advance (esd->pcm_buf, wpos); |
| 363 | |
| 364 | again: |
| 365 | nread = read (esd->fd, buf, chunk << hw->info.shift); |
| 366 | if (nread == -1) { |
| 367 | if (errno == EINTR || errno == EAGAIN) { |
| 368 | goto again; |
| 369 | } |
| 370 | qesd_logerr (errno, "read failed\n"); |
| 371 | return NULL; |
| 372 | } |
| 373 | |
| 374 | if (nread != chunk << hw->info.shift) { |
| 375 | int rsamples = nread >> hw->info.shift; |
| 376 | int rbytes = rsamples << hw->info.shift; |
| 377 | if (rbytes != nread) { |
| 378 | dolog ("warning: Misaligned write %d (requested %zd), " |
| 379 | "alignment %d\n", |
| 380 | rbytes, nread, hw->info.align + 1); |
| 381 | } |
| 382 | to_grab -= rsamples; |
| 383 | wpos = (wpos + rsamples) % hw->samples; |
| 384 | break; |
| 385 | } |
| 386 | |
| 387 | hw->conv (hw->conv_buf + wpos, buf, nread >> hw->info.shift, |
| 388 | &nominal_volume); |
| 389 | wpos = (wpos + chunk) % hw->samples; |
| 390 | to_grab -= chunk; |
| 391 | } |
| 392 | |
| 393 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 394 | return NULL; |
| 395 | } |
| 396 | |
| 397 | esd->wpos = wpos; |
| 398 | esd->dead -= incr; |
| 399 | esd->incr += incr; |
| 400 | } |
| 401 | |
| 402 | exit: |
| 403 | audio_pt_unlock (&esd->pt, AUDIO_FUNC); |
| 404 | return NULL; |
| 405 | } |
| 406 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 407 | static int qesd_run_in (HWVoiceIn *hw) |
| 408 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 409 | int live, incr, dead; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 410 | ESDVoiceIn *esd = (ESDVoiceIn *) hw; |
| 411 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 412 | if (audio_pt_lock (&esd->pt, AUDIO_FUNC)) { |
| 413 | return 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 414 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 415 | |
| 416 | live = audio_pcm_hw_get_live_in (hw); |
| 417 | dead = hw->samples - live; |
| 418 | incr = audio_MIN (dead, esd->incr); |
| 419 | esd->incr -= incr; |
| 420 | esd->dead = dead - incr; |
| 421 | hw->wpos = esd->wpos; |
| 422 | if (esd->dead > 0) { |
| 423 | audio_pt_unlock_and_signal (&esd->pt, AUDIO_FUNC); |
| 424 | } |
| 425 | else { |
| 426 | audio_pt_unlock (&esd->pt, AUDIO_FUNC); |
| 427 | } |
| 428 | return incr; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | static int qesd_read (SWVoiceIn *sw, void *buf, int len) |
| 432 | { |
| 433 | return audio_pcm_sw_read (sw, buf, len); |
| 434 | } |
| 435 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 436 | static int qesd_init_in (HWVoiceIn *hw, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 437 | { |
| 438 | ESDVoiceIn *esd = (ESDVoiceIn *) hw; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 439 | struct audsettings obt_as = *as; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 440 | int esdfmt = ESD_STREAM | ESD_RECORD; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 441 | |
| 442 | esdfmt |= (as->nchannels == 2) ? ESD_STEREO : ESD_MONO; |
| 443 | switch (as->fmt) { |
| 444 | case AUD_FMT_S8: |
| 445 | case AUD_FMT_U8: |
| 446 | esdfmt |= ESD_BITS8; |
| 447 | obt_as.fmt = AUD_FMT_U8; |
| 448 | break; |
| 449 | |
| 450 | case AUD_FMT_S16: |
| 451 | case AUD_FMT_U16: |
| 452 | esdfmt |= ESD_BITS16; |
| 453 | obt_as.fmt = AUD_FMT_S16; |
| 454 | break; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 455 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 456 | case AUD_FMT_S32: |
| 457 | case AUD_FMT_U32: |
| 458 | dolog ("Will use 16 instead of 32 bit samples\n"); |
| 459 | esdfmt |= ESD_BITS16; |
| 460 | obt_as.fmt = AUD_FMT_S16; |
| 461 | break; |
| 462 | } |
| 463 | obt_as.endianness = AUDIO_HOST_ENDIANNESS; |
| 464 | |
| 465 | audio_pcm_init_info (&hw->info, &obt_as); |
| 466 | |
| 467 | hw->samples = conf.samples; |
| 468 | esd->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); |
| 469 | if (!esd->pcm_buf) { |
| 470 | dolog ("Could not allocate buffer (%d bytes)\n", |
| 471 | hw->samples << hw->info.shift); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 472 | return -1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 473 | } |
| 474 | |
| 475 | esd->fd = FF(esd_record_stream) (esdfmt, as->freq, conf.adc_host, NULL); |
| 476 | if (esd->fd < 0) { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 477 | qesd_logerr (errno, "esd_record_stream failed\n"); |
| 478 | goto fail1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 479 | } |
| 480 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 481 | if (audio_pt_init (&esd->pt, qesd_thread_in, esd, AUDIO_CAP, AUDIO_FUNC)) { |
| 482 | goto fail2; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 483 | } |
| 484 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 485 | return 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 486 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 487 | fail2: |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 488 | if (close (esd->fd)) { |
| 489 | qesd_logerr (errno, "%s: close on esd socket(%d) failed\n", |
| 490 | AUDIO_FUNC, esd->fd); |
| 491 | } |
| 492 | esd->fd = -1; |
| 493 | |
| 494 | fail1: |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 495 | g_free (esd->pcm_buf); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 496 | esd->pcm_buf = NULL; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 497 | return -1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 498 | } |
| 499 | |
| 500 | static void qesd_fini_in (HWVoiceIn *hw) |
| 501 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 502 | void *ret; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 503 | ESDVoiceIn *esd = (ESDVoiceIn *) hw; |
| 504 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 505 | audio_pt_lock (&esd->pt, AUDIO_FUNC); |
| 506 | esd->done = 1; |
| 507 | audio_pt_unlock_and_signal (&esd->pt, AUDIO_FUNC); |
| 508 | audio_pt_join (&esd->pt, &ret, AUDIO_FUNC); |
| 509 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 510 | if (esd->fd >= 0) { |
| 511 | if (close (esd->fd)) { |
| 512 | qesd_logerr (errno, "failed to close esd socket\n"); |
| 513 | } |
| 514 | esd->fd = -1; |
| 515 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 516 | |
| 517 | audio_pt_fini (&esd->pt, AUDIO_FUNC); |
| 518 | |
David 'Digit' Turner | aa8236d | 2014-01-10 17:02:29 +0100 | [diff] [blame] | 519 | g_free (esd->pcm_buf); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 520 | esd->pcm_buf = NULL; |
| 521 | } |
| 522 | |
| 523 | static int qesd_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 524 | { |
| 525 | (void) hw; |
| 526 | (void) cmd; |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | /* common */ |
| 531 | static void *qesd_audio_init (void) |
| 532 | { |
| 533 | void* result = NULL; |
| 534 | |
| 535 | D("%s: entering", __FUNCTION__); |
| 536 | |
| 537 | if (esd_lib == NULL) { |
| 538 | int fd; |
| 539 | |
| 540 | esd_lib = dlopen( "libesd.so", RTLD_NOW ); |
| 541 | if (esd_lib == NULL) |
| 542 | esd_lib = dlopen( "libesd.so.0", RTLD_NOW ); |
| 543 | |
| 544 | if (esd_lib == NULL) { |
| 545 | D("could not find libesd on this system"); |
| 546 | goto Exit; |
| 547 | } |
| 548 | |
| 549 | if (esd_dynlink_init(esd_lib) < 0) |
| 550 | goto Fail; |
| 551 | |
| 552 | fd = FF(esd_open_sound)(conf.dac_host); |
| 553 | if (fd < 0) { |
| 554 | D("%s: could not open direct sound server connection, trying localhost", |
| 555 | __FUNCTION__); |
| 556 | fd = FF(esd_open_sound)("localhost"); |
| 557 | if (fd < 0) { |
| 558 | D("%s: could not open localhost sound server connection", __FUNCTION__); |
| 559 | goto Fail; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | D("%s: EsounD server connection succeeded", __FUNCTION__); |
| 564 | /* FF(esd_close)(fd); */ |
| 565 | } |
| 566 | result = &conf; |
| 567 | goto Exit; |
| 568 | |
| 569 | Fail: |
| 570 | D("%s: failed to open library", __FUNCTION__); |
| 571 | dlclose(esd_lib); |
| 572 | esd_lib = NULL; |
| 573 | |
| 574 | Exit: |
| 575 | return result; |
| 576 | } |
| 577 | |
| 578 | static void qesd_audio_fini (void *opaque) |
| 579 | { |
| 580 | (void) opaque; |
| 581 | if (esd_lib != NULL) { |
| 582 | dlclose(esd_lib); |
| 583 | esd_lib = NULL; |
| 584 | } |
| 585 | ldebug ("esd_fini"); |
| 586 | } |
| 587 | |
| 588 | struct audio_option qesd_options[] = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 589 | { |
| 590 | .name = "SAMPLES", |
| 591 | .tag = AUD_OPT_INT, |
| 592 | .valp = &conf.samples, |
| 593 | .descr = "buffer size in samples" |
| 594 | }, |
| 595 | { |
| 596 | .name = "DIVISOR", |
| 597 | .tag = AUD_OPT_INT, |
| 598 | .valp = &conf.divisor, |
| 599 | .descr = "threshold divisor" |
| 600 | }, |
| 601 | { |
| 602 | .name = "DAC_HOST", |
| 603 | .tag = AUD_OPT_STR, |
| 604 | .valp = &conf.dac_host, |
| 605 | .descr = "playback host" |
| 606 | }, |
| 607 | { |
| 608 | .name = "ADC_HOST", |
| 609 | .tag = AUD_OPT_STR, |
| 610 | .valp = &conf.adc_host, |
| 611 | .descr = "capture host" |
| 612 | }, |
| 613 | { /* End of list */ } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 614 | }; |
| 615 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 616 | static struct audio_pcm_ops qesd_pcm_ops = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 617 | .init_out = qesd_init_out, |
| 618 | .fini_out = qesd_fini_out, |
| 619 | .run_out = qesd_run_out, |
| 620 | .write = qesd_write, |
| 621 | .ctl_out = qesd_ctl_out, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 622 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 623 | .init_in = qesd_init_in, |
| 624 | .fini_in = qesd_fini_in, |
| 625 | .run_in = qesd_run_in, |
| 626 | .read = qesd_read, |
| 627 | .ctl_in = qesd_ctl_in, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 628 | }; |
| 629 | |
| 630 | struct audio_driver esd_audio_driver = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 631 | .name = "esd", |
| 632 | .descr = "http://en.wikipedia.org/wiki/Esound", |
| 633 | .options = qesd_options, |
| 634 | .init = qesd_audio_init, |
| 635 | .fini = qesd_audio_fini, |
| 636 | .pcm_ops = &qesd_pcm_ops, |
| 637 | .can_be_default = 0, |
| 638 | .max_voices_out = INT_MAX, |
| 639 | .max_voices_in = INT_MAX, |
| 640 | .voice_size_out = sizeof (ESDVoiceOut), |
| 641 | .voice_size_in = sizeof (ESDVoiceIn) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 642 | }; |