The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Audio subsystem |
| 3 | * |
| 4 | * Copyright (c) 2007-2008 The Android Open Source Project |
| 5 | * Copyright (c) 2003-2005 Vassili Karpov (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 | */ |
| 25 | #include "hw/hw.h" |
| 26 | #include "audio.h" |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 27 | #include "monitor.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 28 | #include "qemu-timer.h" |
| 29 | #include "sysemu.h" |
| 30 | |
| 31 | #define AUDIO_CAP "audio" |
| 32 | #include "audio_int.h" |
| 33 | #include "android/utils/system.h" |
| 34 | #include "qemu_debug.h" |
| 35 | #include "android/android.h" |
| 36 | |
| 37 | /* #define DEBUG_PLIVE */ |
| 38 | /* #define DEBUG_LIVE */ |
| 39 | /* #define DEBUG_OUT */ |
| 40 | /* #define DEBUG_CAPTURE */ |
| 41 | |
| 42 | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
| 43 | |
| 44 | static struct audio_driver *drvtab[] = { |
David 'Digit' Turner | 415a4b1 | 2010-07-28 12:20:14 -0700 | [diff] [blame] | 45 | #ifdef CONFIG_PULSEAUDIO |
| 46 | &pa_audio_driver, |
| 47 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 48 | #ifdef CONFIG_ESD |
| 49 | &esd_audio_driver, |
| 50 | #endif |
| 51 | #ifdef CONFIG_ALSA |
| 52 | &alsa_audio_driver, |
| 53 | #endif |
| 54 | #ifdef CONFIG_COREAUDIO |
| 55 | &coreaudio_audio_driver, |
| 56 | #endif |
| 57 | #ifdef CONFIG_DSOUND |
| 58 | &dsound_audio_driver, |
| 59 | #endif |
| 60 | #ifdef CONFIG_FMOD |
| 61 | &fmod_audio_driver, |
| 62 | #endif |
| 63 | #ifdef CONFIG_WINAUDIO |
| 64 | &win_audio_driver, |
| 65 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 66 | #ifdef CONFIG_OSS |
| 67 | &oss_audio_driver, |
| 68 | #endif |
| 69 | &no_audio_driver, |
| 70 | #if 0 /* disabled WAV audio for now - until we find a user-friendly way to use it */ |
| 71 | &wav_audio_driver |
| 72 | #endif |
| 73 | }; |
| 74 | |
| 75 | |
| 76 | int |
| 77 | audio_get_backend_count( int is_input ) |
| 78 | { |
| 79 | int nn, count = 0; |
| 80 | |
| 81 | for (nn = 0; nn < sizeof(drvtab)/sizeof(drvtab[0]); nn++) |
| 82 | { |
| 83 | if (is_input) { |
| 84 | if ( drvtab[nn]->max_voices_in > 0 ) |
| 85 | count += 1; |
| 86 | } else { |
| 87 | if ( drvtab[nn]->max_voices_out > 0 ) |
| 88 | count += 1; |
| 89 | } |
| 90 | } |
| 91 | return count; |
| 92 | } |
| 93 | |
| 94 | const char* |
| 95 | audio_get_backend_name( int is_input, int index, const char* *pinfo ) |
| 96 | { |
| 97 | int nn; |
| 98 | |
| 99 | index += 1; |
| 100 | for (nn = 0; nn < sizeof(drvtab)/sizeof(drvtab[0]); nn++) |
| 101 | { |
| 102 | if (is_input) { |
| 103 | if ( drvtab[nn]->max_voices_in > 0 ) { |
| 104 | if ( --index == 0 ) { |
| 105 | *pinfo = drvtab[nn]->descr; |
| 106 | return drvtab[nn]->name; |
| 107 | } |
| 108 | } |
| 109 | } else { |
| 110 | if ( drvtab[nn]->max_voices_out > 0 ) { |
| 111 | if ( --index == 0 ) { |
| 112 | *pinfo = drvtab[nn]->descr; |
| 113 | return drvtab[nn]->name; |
| 114 | } |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | *pinfo = NULL; |
| 119 | return NULL; |
| 120 | } |
| 121 | |
| 122 | |
| 123 | int |
| 124 | audio_check_backend_name( int is_input, const char* name ) |
| 125 | { |
| 126 | int nn; |
| 127 | |
| 128 | for (nn = 0; nn < sizeof(drvtab)/sizeof(drvtab[0]); nn++) |
| 129 | { |
| 130 | if ( !strcmp(drvtab[nn]->name, name) ) { |
| 131 | if (is_input) { |
| 132 | if (drvtab[nn]->max_voices_in > 0) |
| 133 | return 1; |
| 134 | } else { |
| 135 | if (drvtab[nn]->max_voices_out > 0) |
| 136 | return 1; |
| 137 | } |
| 138 | break; |
| 139 | } |
| 140 | } |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | struct fixed_settings { |
| 146 | int enabled; |
| 147 | int nb_voices; |
| 148 | int greedy; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 149 | struct audsettings settings; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 150 | }; |
| 151 | |
| 152 | static struct { |
| 153 | struct fixed_settings fixed_out; |
| 154 | struct fixed_settings fixed_in; |
| 155 | union { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 156 | int hertz; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 157 | int64_t ticks; |
| 158 | } period; |
| 159 | int plive; |
| 160 | int log_to_monitor; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 161 | int try_poll_in; |
| 162 | int try_poll_out; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 163 | } conf = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 164 | .fixed_out = { /* DAC fixed settings */ |
| 165 | .enabled = 1, |
| 166 | .nb_voices = 1, |
| 167 | .greedy = 1, |
| 168 | .settings = { |
| 169 | .freq = 44100, |
| 170 | .nchannels = 2, |
| 171 | .fmt = AUD_FMT_S16, |
| 172 | .endianness = AUDIO_HOST_ENDIANNESS, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 173 | } |
| 174 | }, |
| 175 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 176 | .fixed_in = { /* ADC fixed settings */ |
| 177 | .enabled = 1, |
| 178 | .nb_voices = 1, |
| 179 | .greedy = 1, |
| 180 | .settings = { |
| 181 | .freq = 44100, |
| 182 | .nchannels = 2, |
| 183 | .fmt = AUD_FMT_S16, |
| 184 | .endianness = AUDIO_HOST_ENDIANNESS, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 185 | } |
| 186 | }, |
| 187 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 188 | .period = { .hertz = 250 }, |
| 189 | .plive = 0, |
| 190 | .log_to_monitor = 0, |
| 191 | .try_poll_in = 1, |
| 192 | .try_poll_out = 1, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 193 | }; |
| 194 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 195 | static AudioState glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 196 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 197 | struct mixeng_volume nominal_volume = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 198 | .mute = 0, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 199 | #ifdef FLOAT_MIXENG |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 200 | .r = 1.0, |
| 201 | .l = 1.0, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 202 | #else |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 203 | .r = 1ULL << 32, |
| 204 | .l = 1ULL << 32, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 205 | #endif |
| 206 | }; |
| 207 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 208 | #ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED |
| 209 | #error No its not |
| 210 | #else |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 211 | static void audio_print_options (const char *prefix, |
| 212 | struct audio_option *opt); |
| 213 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 214 | int audio_bug (const char *funcname, int cond) |
| 215 | { |
| 216 | if (cond) { |
| 217 | static int shown; |
| 218 | |
| 219 | AUD_log (NULL, "A bug was just triggered in %s\n", funcname); |
| 220 | if (!shown) { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 221 | struct audio_driver *d; |
| 222 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 223 | shown = 1; |
| 224 | AUD_log (NULL, "Save all your work and restart without audio\n"); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 225 | AUD_log (NULL, "Please send bug report to av1474@comtv.ru\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 226 | AUD_log (NULL, "I am sorry\n"); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 227 | d = glob_audio_state.drv; |
| 228 | if (d) { |
| 229 | audio_print_options (d->name, d->options); |
| 230 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 231 | } |
| 232 | AUD_log (NULL, "Context:\n"); |
| 233 | |
| 234 | #if defined AUDIO_BREAKPOINT_ON_BUG |
| 235 | # if defined HOST_I386 |
| 236 | # if defined __GNUC__ |
| 237 | __asm__ ("int3"); |
| 238 | # elif defined _MSC_VER |
| 239 | _asm _emit 0xcc; |
| 240 | # else |
| 241 | abort (); |
| 242 | # endif |
| 243 | # else |
| 244 | abort (); |
| 245 | # endif |
| 246 | #endif |
| 247 | } |
| 248 | |
| 249 | return cond; |
| 250 | } |
| 251 | #endif |
| 252 | |
| 253 | static inline int audio_bits_to_index (int bits) |
| 254 | { |
| 255 | switch (bits) { |
| 256 | case 8: |
| 257 | return 0; |
| 258 | |
| 259 | case 16: |
| 260 | return 1; |
| 261 | |
| 262 | case 32: |
| 263 | return 2; |
| 264 | |
| 265 | default: |
| 266 | audio_bug ("bits_to_index", 1); |
| 267 | AUD_log (NULL, "invalid bits %d\n", bits); |
| 268 | return 0; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
| 273 | { |
| 274 | int cond; |
| 275 | size_t len; |
| 276 | |
| 277 | len = nmemb * size; |
| 278 | cond = !nmemb || !size; |
| 279 | cond |= nmemb < 0; |
| 280 | cond |= len < size; |
| 281 | |
| 282 | if (audio_bug ("audio_calloc", cond)) { |
| 283 | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", |
| 284 | funcname); |
| 285 | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
| 286 | return NULL; |
| 287 | } |
| 288 | |
| 289 | return qemu_mallocz (len); |
| 290 | } |
| 291 | |
| 292 | static char *audio_alloc_prefix (const char *s) |
| 293 | { |
| 294 | const char qemu_prefix[] = "QEMU_"; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 295 | size_t len, i; |
| 296 | char *r, *u; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 297 | |
| 298 | if (!s) { |
| 299 | return NULL; |
| 300 | } |
| 301 | |
| 302 | len = strlen (s); |
| 303 | r = qemu_malloc (len + sizeof (qemu_prefix)); |
| 304 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 305 | u = r + sizeof (qemu_prefix) - 1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 306 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 307 | pstrcpy (r, len + sizeof (qemu_prefix), qemu_prefix); |
| 308 | pstrcat (r, len + sizeof (qemu_prefix), s); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 309 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 310 | for (i = 0; i < len; ++i) { |
| 311 | u[i] = qemu_toupper(u[i]); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 312 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 313 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 314 | return r; |
| 315 | } |
| 316 | |
| 317 | static const char *audio_audfmt_to_string (audfmt_e fmt) |
| 318 | { |
| 319 | switch (fmt) { |
| 320 | case AUD_FMT_U8: |
| 321 | return "U8"; |
| 322 | |
| 323 | case AUD_FMT_U16: |
| 324 | return "U16"; |
| 325 | |
| 326 | case AUD_FMT_S8: |
| 327 | return "S8"; |
| 328 | |
| 329 | case AUD_FMT_S16: |
| 330 | return "S16"; |
| 331 | |
| 332 | case AUD_FMT_U32: |
| 333 | return "U32"; |
| 334 | |
| 335 | case AUD_FMT_S32: |
| 336 | return "S32"; |
| 337 | } |
| 338 | |
| 339 | dolog ("Bogus audfmt %d returning S16\n", fmt); |
| 340 | return "S16"; |
| 341 | } |
| 342 | |
| 343 | static audfmt_e audio_string_to_audfmt (const char *s, audfmt_e defval, |
| 344 | int *defaultp) |
| 345 | { |
| 346 | if (!strcasecmp (s, "u8")) { |
| 347 | *defaultp = 0; |
| 348 | return AUD_FMT_U8; |
| 349 | } |
| 350 | else if (!strcasecmp (s, "u16")) { |
| 351 | *defaultp = 0; |
| 352 | return AUD_FMT_U16; |
| 353 | } |
| 354 | else if (!strcasecmp (s, "u32")) { |
| 355 | *defaultp = 0; |
| 356 | return AUD_FMT_U32; |
| 357 | } |
| 358 | else if (!strcasecmp (s, "s8")) { |
| 359 | *defaultp = 0; |
| 360 | return AUD_FMT_S8; |
| 361 | } |
| 362 | else if (!strcasecmp (s, "s16")) { |
| 363 | *defaultp = 0; |
| 364 | return AUD_FMT_S16; |
| 365 | } |
| 366 | else if (!strcasecmp (s, "s32")) { |
| 367 | *defaultp = 0; |
| 368 | return AUD_FMT_S32; |
| 369 | } |
| 370 | else { |
| 371 | dolog ("Bogus audio format `%s' using %s\n", |
| 372 | s, audio_audfmt_to_string (defval)); |
| 373 | *defaultp = 1; |
| 374 | return defval; |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | static audfmt_e audio_get_conf_fmt (const char *envname, |
| 379 | audfmt_e defval, |
| 380 | int *defaultp) |
| 381 | { |
| 382 | const char *var = getenv (envname); |
| 383 | if (!var) { |
| 384 | *defaultp = 1; |
| 385 | return defval; |
| 386 | } |
| 387 | return audio_string_to_audfmt (var, defval, defaultp); |
| 388 | } |
| 389 | |
| 390 | static int audio_get_conf_int (const char *key, int defval, int *defaultp) |
| 391 | { |
| 392 | int val; |
| 393 | char *strval; |
| 394 | |
| 395 | strval = getenv (key); |
| 396 | if (strval) { |
| 397 | *defaultp = 0; |
| 398 | val = atoi (strval); |
| 399 | return val; |
| 400 | } |
| 401 | else { |
| 402 | *defaultp = 1; |
| 403 | return defval; |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | static const char *audio_get_conf_str (const char *key, |
| 408 | const char *defval, |
| 409 | int *defaultp) |
| 410 | { |
| 411 | const char *val = getenv (key); |
| 412 | if (!val) { |
| 413 | *defaultp = 1; |
| 414 | return defval; |
| 415 | } |
| 416 | else { |
| 417 | *defaultp = 0; |
| 418 | return val; |
| 419 | } |
| 420 | } |
| 421 | |
| 422 | /* defined in android_sdl.c */ |
| 423 | extern void dprintn(const char* fmt, ...); |
| 424 | extern void dprintnv(const char* fmt, va_list args); |
| 425 | |
| 426 | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
| 427 | { |
| 428 | if (conf.log_to_monitor) { |
| 429 | if (cap) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 430 | monitor_printf(cur_mon, "%s: ", cap); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 431 | } |
| 432 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 433 | monitor_vprintf(cur_mon, fmt, ap); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 434 | } |
| 435 | else { |
| 436 | if (!VERBOSE_CHECK(audio)) |
| 437 | return; |
| 438 | |
| 439 | if (cap) { |
| 440 | dprintn("%s: ", cap); |
| 441 | } |
| 442 | |
| 443 | dprintnv(fmt, ap); |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | void AUD_log (const char *cap, const char *fmt, ...) |
| 448 | { |
| 449 | va_list ap; |
| 450 | |
| 451 | va_start (ap, fmt); |
| 452 | AUD_vlog (cap, fmt, ap); |
| 453 | va_end (ap); |
| 454 | } |
| 455 | |
| 456 | static void audio_print_options (const char *prefix, |
| 457 | struct audio_option *opt) |
| 458 | { |
| 459 | char *uprefix; |
| 460 | |
| 461 | if (!prefix) { |
| 462 | dolog ("No prefix specified\n"); |
| 463 | return; |
| 464 | } |
| 465 | |
| 466 | if (!opt) { |
| 467 | dolog ("No options\n"); |
| 468 | return; |
| 469 | } |
| 470 | |
| 471 | uprefix = audio_alloc_prefix (prefix); |
| 472 | |
| 473 | for (; opt->name; opt++) { |
| 474 | const char *state = "default"; |
| 475 | printf (" %s_%s: ", uprefix, opt->name); |
| 476 | |
| 477 | if (opt->overriddenp && *opt->overriddenp) { |
| 478 | state = "current"; |
| 479 | } |
| 480 | |
| 481 | switch (opt->tag) { |
| 482 | case AUD_OPT_BOOL: |
| 483 | { |
| 484 | int *intp = opt->valp; |
| 485 | printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); |
| 486 | } |
| 487 | break; |
| 488 | |
| 489 | case AUD_OPT_INT: |
| 490 | { |
| 491 | int *intp = opt->valp; |
| 492 | printf ("integer, %s = %d\n", state, *intp); |
| 493 | } |
| 494 | break; |
| 495 | |
| 496 | case AUD_OPT_FMT: |
| 497 | { |
| 498 | audfmt_e *fmtp = opt->valp; |
| 499 | printf ( |
| 500 | "format, %s = %s, (one of: U8 S8 U16 S16 U32 S32)\n", |
| 501 | state, |
| 502 | audio_audfmt_to_string (*fmtp) |
| 503 | ); |
| 504 | } |
| 505 | break; |
| 506 | |
| 507 | case AUD_OPT_STR: |
| 508 | { |
| 509 | const char **strp = opt->valp; |
| 510 | printf ("string, %s = %s\n", |
| 511 | state, |
| 512 | *strp ? *strp : "(not set)"); |
| 513 | } |
| 514 | break; |
| 515 | |
| 516 | default: |
| 517 | printf ("???\n"); |
| 518 | dolog ("Bad value tag for option %s_%s %d\n", |
| 519 | uprefix, opt->name, opt->tag); |
| 520 | break; |
| 521 | } |
| 522 | printf (" %s\n", opt->descr); |
| 523 | } |
| 524 | |
| 525 | qemu_free (uprefix); |
| 526 | } |
| 527 | |
| 528 | static void audio_process_options (const char *prefix, |
| 529 | struct audio_option *opt) |
| 530 | { |
| 531 | char *optname; |
| 532 | const char qemu_prefix[] = "QEMU_"; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 533 | size_t preflen, optlen; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 534 | |
| 535 | if (audio_bug (AUDIO_FUNC, !prefix)) { |
| 536 | dolog ("prefix = NULL\n"); |
| 537 | return; |
| 538 | } |
| 539 | |
| 540 | if (audio_bug (AUDIO_FUNC, !opt)) { |
| 541 | dolog ("opt = NULL\n"); |
| 542 | return; |
| 543 | } |
| 544 | |
| 545 | preflen = strlen (prefix); |
| 546 | |
| 547 | for (; opt->name; opt++) { |
| 548 | size_t len, i; |
| 549 | int def; |
| 550 | |
| 551 | if (!opt->valp) { |
| 552 | dolog ("Option value pointer for `%s' is not set\n", |
| 553 | opt->name); |
| 554 | continue; |
| 555 | } |
| 556 | |
| 557 | len = strlen (opt->name); |
| 558 | /* len of opt->name + len of prefix + size of qemu_prefix |
| 559 | * (includes trailing zero) + zero + underscore (on behalf of |
| 560 | * sizeof) */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 561 | optlen = len + preflen + sizeof (qemu_prefix) + 1; |
| 562 | optname = qemu_malloc (optlen); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 563 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 564 | pstrcpy (optname, optlen, qemu_prefix); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 565 | |
| 566 | /* copy while upper-casing, including trailing zero */ |
| 567 | for (i = 0; i <= preflen; ++i) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 568 | optname[i + sizeof (qemu_prefix) - 1] = qemu_toupper(prefix[i]); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 569 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 570 | pstrcat (optname, optlen, "_"); |
| 571 | pstrcat (optname, optlen, opt->name); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 572 | |
| 573 | def = 1; |
| 574 | switch (opt->tag) { |
| 575 | case AUD_OPT_BOOL: |
| 576 | case AUD_OPT_INT: |
| 577 | { |
| 578 | int *intp = opt->valp; |
| 579 | *intp = audio_get_conf_int (optname, *intp, &def); |
| 580 | } |
| 581 | break; |
| 582 | |
| 583 | case AUD_OPT_FMT: |
| 584 | { |
| 585 | audfmt_e *fmtp = opt->valp; |
| 586 | *fmtp = audio_get_conf_fmt (optname, *fmtp, &def); |
| 587 | } |
| 588 | break; |
| 589 | |
| 590 | case AUD_OPT_STR: |
| 591 | { |
| 592 | const char **strp = opt->valp; |
| 593 | *strp = audio_get_conf_str (optname, *strp, &def); |
| 594 | } |
| 595 | break; |
| 596 | |
| 597 | default: |
| 598 | dolog ("Bad value tag for option `%s' - %d\n", |
| 599 | optname, opt->tag); |
| 600 | break; |
| 601 | } |
| 602 | |
| 603 | if (!opt->overriddenp) { |
| 604 | opt->overriddenp = &opt->overridden; |
| 605 | } |
| 606 | *opt->overriddenp = !def; |
| 607 | qemu_free (optname); |
| 608 | } |
| 609 | } |
| 610 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 611 | static void audio_print_settings (struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 612 | { |
| 613 | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels); |
| 614 | |
| 615 | switch (as->fmt) { |
| 616 | case AUD_FMT_S8: |
| 617 | AUD_log (NULL, "S8"); |
| 618 | break; |
| 619 | case AUD_FMT_U8: |
| 620 | AUD_log (NULL, "U8"); |
| 621 | break; |
| 622 | case AUD_FMT_S16: |
| 623 | AUD_log (NULL, "S16"); |
| 624 | break; |
| 625 | case AUD_FMT_U16: |
| 626 | AUD_log (NULL, "U16"); |
| 627 | break; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 628 | case AUD_FMT_S32: |
| 629 | AUD_log (NULL, "S32"); |
| 630 | break; |
| 631 | case AUD_FMT_U32: |
| 632 | AUD_log (NULL, "U32"); |
| 633 | break; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 634 | default: |
| 635 | AUD_log (NULL, "invalid(%d)", as->fmt); |
| 636 | break; |
| 637 | } |
| 638 | |
| 639 | AUD_log (NULL, " endianness="); |
| 640 | switch (as->endianness) { |
| 641 | case 0: |
| 642 | AUD_log (NULL, "little"); |
| 643 | break; |
| 644 | case 1: |
| 645 | AUD_log (NULL, "big"); |
| 646 | break; |
| 647 | default: |
| 648 | AUD_log (NULL, "invalid"); |
| 649 | break; |
| 650 | } |
| 651 | AUD_log (NULL, "\n"); |
| 652 | } |
| 653 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 654 | static int audio_validate_settings (struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 655 | { |
| 656 | int invalid; |
| 657 | |
| 658 | invalid = as->nchannels != 1 && as->nchannels != 2; |
| 659 | invalid |= as->endianness != 0 && as->endianness != 1; |
| 660 | |
| 661 | switch (as->fmt) { |
| 662 | case AUD_FMT_S8: |
| 663 | case AUD_FMT_U8: |
| 664 | case AUD_FMT_S16: |
| 665 | case AUD_FMT_U16: |
| 666 | case AUD_FMT_S32: |
| 667 | case AUD_FMT_U32: |
| 668 | break; |
| 669 | default: |
| 670 | invalid = 1; |
| 671 | break; |
| 672 | } |
| 673 | |
| 674 | invalid |= as->freq <= 0; |
| 675 | return invalid ? -1 : 0; |
| 676 | } |
| 677 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 678 | static int audio_pcm_info_eq (struct audio_pcm_info *info, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 679 | { |
| 680 | int bits = 8, sign = 0; |
| 681 | |
| 682 | switch (as->fmt) { |
| 683 | case AUD_FMT_S8: |
| 684 | sign = 1; |
| 685 | case AUD_FMT_U8: |
| 686 | break; |
| 687 | |
| 688 | case AUD_FMT_S16: |
| 689 | sign = 1; |
| 690 | case AUD_FMT_U16: |
| 691 | bits = 16; |
| 692 | break; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 693 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 694 | case AUD_FMT_S32: |
| 695 | sign = 1; |
| 696 | case AUD_FMT_U32: |
| 697 | bits = 32; |
| 698 | break; |
| 699 | } |
| 700 | return info->freq == as->freq |
| 701 | && info->nchannels == as->nchannels |
| 702 | && info->sign == sign |
| 703 | && info->bits == bits |
| 704 | && info->swap_endianness == (as->endianness != AUDIO_HOST_ENDIANNESS); |
| 705 | } |
| 706 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 707 | void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 708 | { |
| 709 | int bits = 8, sign = 0, shift = 0; |
| 710 | |
| 711 | switch (as->fmt) { |
| 712 | case AUD_FMT_S8: |
| 713 | sign = 1; |
| 714 | case AUD_FMT_U8: |
| 715 | break; |
| 716 | |
| 717 | case AUD_FMT_S16: |
| 718 | sign = 1; |
| 719 | case AUD_FMT_U16: |
| 720 | bits = 16; |
| 721 | shift = 1; |
| 722 | break; |
| 723 | |
| 724 | case AUD_FMT_S32: |
| 725 | sign = 1; |
| 726 | case AUD_FMT_U32: |
| 727 | bits = 32; |
| 728 | shift = 2; |
| 729 | break; |
| 730 | } |
| 731 | |
| 732 | info->freq = as->freq; |
| 733 | info->bits = bits; |
| 734 | info->sign = sign; |
| 735 | info->nchannels = as->nchannels; |
| 736 | info->shift = (as->nchannels == 2) + shift; |
| 737 | info->align = (1 << info->shift) - 1; |
| 738 | info->bytes_per_second = info->freq << info->shift; |
| 739 | info->swap_endianness = (as->endianness != AUDIO_HOST_ENDIANNESS); |
| 740 | } |
| 741 | |
| 742 | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
| 743 | { |
| 744 | if (!len) { |
| 745 | return; |
| 746 | } |
| 747 | |
| 748 | if (info->sign) { |
| 749 | memset (buf, 0x00, len << info->shift); |
| 750 | } |
| 751 | else { |
| 752 | switch (info->bits) { |
| 753 | case 8: |
| 754 | memset (buf, 0x80, len << info->shift); |
| 755 | break; |
| 756 | |
| 757 | case 16: |
| 758 | { |
| 759 | int i; |
| 760 | uint16_t *p = buf; |
| 761 | int shift = info->nchannels - 1; |
| 762 | short s = INT16_MAX; |
| 763 | |
| 764 | if (info->swap_endianness) { |
| 765 | s = bswap16 (s); |
| 766 | } |
| 767 | |
| 768 | for (i = 0; i < len << shift; i++) { |
| 769 | p[i] = s; |
| 770 | } |
| 771 | } |
| 772 | break; |
| 773 | |
| 774 | case 32: |
| 775 | { |
| 776 | int i; |
| 777 | uint32_t *p = buf; |
| 778 | int shift = info->nchannels - 1; |
| 779 | int32_t s = INT32_MAX; |
| 780 | |
| 781 | if (info->swap_endianness) { |
| 782 | s = bswap32 (s); |
| 783 | } |
| 784 | |
| 785 | for (i = 0; i < len << shift; i++) { |
| 786 | p[i] = s; |
| 787 | } |
| 788 | } |
| 789 | break; |
| 790 | |
| 791 | default: |
| 792 | AUD_log (NULL, "audio_pcm_info_clear_buf: invalid bits %d\n", |
| 793 | info->bits); |
| 794 | break; |
| 795 | } |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | /* |
| 800 | * Capture |
| 801 | */ |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 802 | static void noop_conv (struct st_sample *dst, const void *src, |
| 803 | int samples, struct mixeng_volume *vol) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 804 | { |
| 805 | (void) src; |
| 806 | (void) dst; |
| 807 | (void) samples; |
| 808 | (void) vol; |
| 809 | } |
| 810 | |
| 811 | static CaptureVoiceOut *audio_pcm_capture_find_specific ( |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 812 | struct audsettings *as |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 813 | ) |
| 814 | { |
| 815 | CaptureVoiceOut *cap; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 816 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 817 | |
| 818 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { |
| 819 | if (audio_pcm_info_eq (&cap->hw.info, as)) { |
| 820 | return cap; |
| 821 | } |
| 822 | } |
| 823 | return NULL; |
| 824 | } |
| 825 | |
| 826 | static void audio_notify_capture (CaptureVoiceOut *cap, audcnotification_e cmd) |
| 827 | { |
| 828 | struct capture_callback *cb; |
| 829 | |
| 830 | #ifdef DEBUG_CAPTURE |
| 831 | dolog ("notification %d sent\n", cmd); |
| 832 | #endif |
| 833 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { |
| 834 | cb->ops.notify (cb->opaque, cmd); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | static void audio_capture_maybe_changed (CaptureVoiceOut *cap, int enabled) |
| 839 | { |
| 840 | if (cap->hw.enabled != enabled) { |
| 841 | audcnotification_e cmd; |
| 842 | cap->hw.enabled = enabled; |
| 843 | cmd = enabled ? AUD_CNOTIFY_ENABLE : AUD_CNOTIFY_DISABLE; |
| 844 | audio_notify_capture (cap, cmd); |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | static void audio_recalc_and_notify_capture (CaptureVoiceOut *cap) |
| 849 | { |
| 850 | HWVoiceOut *hw = &cap->hw; |
| 851 | SWVoiceOut *sw; |
| 852 | int enabled = 0; |
| 853 | |
| 854 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 855 | if (sw->active) { |
| 856 | enabled = 1; |
| 857 | break; |
| 858 | } |
| 859 | } |
| 860 | audio_capture_maybe_changed (cap, enabled); |
| 861 | } |
| 862 | |
| 863 | static void audio_detach_capture (HWVoiceOut *hw) |
| 864 | { |
| 865 | SWVoiceCap *sc = hw->cap_head.lh_first; |
| 866 | |
| 867 | while (sc) { |
| 868 | SWVoiceCap *sc1 = sc->entries.le_next; |
| 869 | SWVoiceOut *sw = &sc->sw; |
| 870 | CaptureVoiceOut *cap = sc->cap; |
| 871 | int was_active = sw->active; |
| 872 | |
| 873 | if (sw->rate) { |
| 874 | st_rate_stop (sw->rate); |
| 875 | sw->rate = NULL; |
| 876 | } |
| 877 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 878 | QLIST_REMOVE (sw, entries); |
| 879 | QLIST_REMOVE (sc, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 880 | qemu_free (sc); |
| 881 | if (was_active) { |
| 882 | /* We have removed soft voice from the capture: |
| 883 | this might have changed the overall status of the capture |
| 884 | since this might have been the only active voice */ |
| 885 | audio_recalc_and_notify_capture (cap); |
| 886 | } |
| 887 | sc = sc1; |
| 888 | } |
| 889 | } |
| 890 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 891 | static int audio_attach_capture (HWVoiceOut *hw) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 892 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 893 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 894 | CaptureVoiceOut *cap; |
| 895 | |
| 896 | audio_detach_capture (hw); |
| 897 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { |
| 898 | SWVoiceCap *sc; |
| 899 | SWVoiceOut *sw; |
| 900 | HWVoiceOut *hw_cap = &cap->hw; |
| 901 | |
| 902 | sc = audio_calloc (AUDIO_FUNC, 1, sizeof (*sc)); |
| 903 | if (!sc) { |
| 904 | dolog ("Could not allocate soft capture voice (%zu bytes)\n", |
| 905 | sizeof (*sc)); |
| 906 | return -1; |
| 907 | } |
| 908 | |
| 909 | sc->cap = cap; |
| 910 | sw = &sc->sw; |
| 911 | sw->hw = hw_cap; |
| 912 | sw->info = hw->info; |
| 913 | sw->empty = 1; |
| 914 | sw->active = hw->enabled; |
| 915 | sw->conv = noop_conv; |
| 916 | sw->ratio = ((int64_t) hw_cap->info.freq << 32) / sw->info.freq; |
| 917 | sw->rate = st_rate_start (sw->info.freq, hw_cap->info.freq); |
| 918 | if (!sw->rate) { |
| 919 | dolog ("Could not start rate conversion for `%s'\n", SW_NAME (sw)); |
| 920 | qemu_free (sw); |
| 921 | return -1; |
| 922 | } |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 923 | QLIST_INSERT_HEAD (&hw_cap->sw_head, sw, entries); |
| 924 | QLIST_INSERT_HEAD (&hw->cap_head, sc, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 925 | #ifdef DEBUG_CAPTURE |
| 926 | asprintf (&sw->name, "for %p %d,%d,%d", |
| 927 | hw, sw->info.freq, sw->info.bits, sw->info.nchannels); |
| 928 | dolog ("Added %s active = %d\n", sw->name, sw->active); |
| 929 | #endif |
| 930 | if (sw->active) { |
| 931 | audio_capture_maybe_changed (cap, 1); |
| 932 | } |
| 933 | } |
| 934 | return 0; |
| 935 | } |
| 936 | |
| 937 | /* |
| 938 | * Hard voice (capture) |
| 939 | */ |
| 940 | static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
| 941 | { |
| 942 | SWVoiceIn *sw; |
| 943 | int m = hw->total_samples_captured; |
| 944 | |
| 945 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 946 | if (sw->active) { |
| 947 | m = audio_MIN (m, sw->total_hw_samples_acquired); |
| 948 | } |
| 949 | } |
| 950 | return m; |
| 951 | } |
| 952 | |
| 953 | int audio_pcm_hw_get_live_in (HWVoiceIn *hw) |
| 954 | { |
| 955 | int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw); |
| 956 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 957 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
| 958 | return 0; |
| 959 | } |
| 960 | return live; |
| 961 | } |
| 962 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 963 | int audio_pcm_hw_clip_out (HWVoiceOut *hw, void *pcm_buf, |
| 964 | int live, int pending) |
| 965 | { |
| 966 | int left = hw->samples - pending; |
| 967 | int len = audio_MIN (left, live); |
| 968 | int clipped = 0; |
| 969 | |
| 970 | while (len) { |
| 971 | struct st_sample *src = hw->mix_buf + hw->rpos; |
| 972 | uint8_t *dst = advance (pcm_buf, hw->rpos << hw->info.shift); |
| 973 | int samples_till_end_of_buf = hw->samples - hw->rpos; |
| 974 | int samples_to_clip = audio_MIN (len, samples_till_end_of_buf); |
| 975 | |
| 976 | hw->clip (dst, src, samples_to_clip); |
| 977 | |
| 978 | hw->rpos = (hw->rpos + samples_to_clip) % hw->samples; |
| 979 | len -= samples_to_clip; |
| 980 | clipped += samples_to_clip; |
| 981 | } |
| 982 | return clipped; |
| 983 | } |
| 984 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 985 | /* |
| 986 | * Soft voice (capture) |
| 987 | */ |
| 988 | static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) |
| 989 | { |
| 990 | HWVoiceIn *hw = sw->hw; |
| 991 | int live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
| 992 | int rpos; |
| 993 | |
| 994 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 995 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
| 996 | return 0; |
| 997 | } |
| 998 | |
| 999 | rpos = hw->wpos - live; |
| 1000 | if (rpos >= 0) { |
| 1001 | return rpos; |
| 1002 | } |
| 1003 | else { |
| 1004 | return hw->samples + rpos; |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) |
| 1009 | { |
| 1010 | HWVoiceIn *hw = sw->hw; |
| 1011 | int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1012 | struct st_sample *src, *dst = sw->buf; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1013 | |
| 1014 | rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; |
| 1015 | |
| 1016 | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
| 1017 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 1018 | dolog ("live_in=%d hw->samples=%d\n", live, hw->samples); |
| 1019 | return 0; |
| 1020 | } |
| 1021 | |
| 1022 | samples = size >> sw->info.shift; |
| 1023 | if (!live) { |
| 1024 | return 0; |
| 1025 | } |
| 1026 | |
| 1027 | swlim = (live * sw->ratio) >> 32; |
| 1028 | swlim = audio_MIN (swlim, samples); |
| 1029 | |
| 1030 | while (swlim) { |
| 1031 | src = hw->conv_buf + rpos; |
| 1032 | isamp = hw->wpos - rpos; |
| 1033 | /* XXX: <= ? */ |
| 1034 | if (isamp <= 0) { |
| 1035 | isamp = hw->samples - rpos; |
| 1036 | } |
| 1037 | |
| 1038 | if (!isamp) { |
| 1039 | break; |
| 1040 | } |
| 1041 | osamp = swlim; |
| 1042 | |
| 1043 | if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
| 1044 | dolog ("osamp=%d\n", osamp); |
| 1045 | return 0; |
| 1046 | } |
| 1047 | |
| 1048 | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
| 1049 | swlim -= osamp; |
| 1050 | rpos = (rpos + isamp) % hw->samples; |
| 1051 | dst += osamp; |
| 1052 | ret += osamp; |
| 1053 | total += isamp; |
| 1054 | } |
| 1055 | |
| 1056 | sw->clip (buf, sw->buf, ret); |
| 1057 | sw->total_hw_samples_acquired += total; |
| 1058 | return ret << sw->info.shift; |
| 1059 | } |
| 1060 | |
| 1061 | /* |
| 1062 | * Hard voice (playback) |
| 1063 | */ |
| 1064 | static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
| 1065 | { |
| 1066 | SWVoiceOut *sw; |
| 1067 | int m = INT_MAX; |
| 1068 | int nb_live = 0; |
| 1069 | |
| 1070 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
David 'Digit' Turner | 5164d3c | 2010-12-22 16:55:41 +0100 | [diff] [blame] | 1071 | if (sw->active && !sw->empty) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1072 | m = audio_MIN (m, sw->total_hw_samples_mixed); |
| 1073 | nb_live += 1; |
| 1074 | } |
| 1075 | } |
| 1076 | |
| 1077 | *nb_livep = nb_live; |
| 1078 | return m; |
| 1079 | } |
| 1080 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1081 | static int audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1082 | { |
| 1083 | int smin; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1084 | int nb_live1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1085 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1086 | smin = audio_pcm_hw_find_min_out (hw, &nb_live1); |
| 1087 | if (nb_live) { |
| 1088 | *nb_live = nb_live1; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1089 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1090 | |
| 1091 | if (nb_live1) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1092 | int live = smin; |
| 1093 | |
| 1094 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 1095 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
| 1096 | return 0; |
| 1097 | } |
| 1098 | return live; |
| 1099 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1100 | return 0; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1101 | } |
| 1102 | |
| 1103 | /* |
| 1104 | * Soft voice (playback) |
| 1105 | */ |
| 1106 | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) |
| 1107 | { |
| 1108 | int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck; |
| 1109 | int ret = 0, pos = 0, total = 0; |
| 1110 | |
| 1111 | if (!sw) { |
| 1112 | return size; |
| 1113 | } |
| 1114 | |
| 1115 | hwsamples = sw->hw->samples; |
| 1116 | |
| 1117 | live = sw->total_hw_samples_mixed; |
| 1118 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hwsamples)){ |
| 1119 | dolog ("live=%d hw->samples=%d\n", live, hwsamples); |
| 1120 | return 0; |
| 1121 | } |
| 1122 | |
| 1123 | if (live == hwsamples) { |
| 1124 | #ifdef DEBUG_OUT |
| 1125 | dolog ("%s is full %d\n", sw->name, live); |
| 1126 | #endif |
| 1127 | return 0; |
| 1128 | } |
| 1129 | |
| 1130 | wpos = (sw->hw->rpos + live) % hwsamples; |
| 1131 | samples = size >> sw->info.shift; |
| 1132 | |
| 1133 | dead = hwsamples - live; |
| 1134 | swlim = ((int64_t) dead << 32) / sw->ratio; |
| 1135 | swlim = audio_MIN (swlim, samples); |
| 1136 | if (swlim) { |
| 1137 | sw->conv (sw->buf, buf, swlim, &sw->vol); |
| 1138 | } |
| 1139 | |
| 1140 | while (swlim) { |
| 1141 | dead = hwsamples - live; |
| 1142 | left = hwsamples - wpos; |
| 1143 | blck = audio_MIN (dead, left); |
| 1144 | if (!blck) { |
| 1145 | break; |
| 1146 | } |
| 1147 | isamp = swlim; |
| 1148 | osamp = blck; |
| 1149 | st_rate_flow_mix ( |
| 1150 | sw->rate, |
| 1151 | sw->buf + pos, |
| 1152 | sw->hw->mix_buf + wpos, |
| 1153 | &isamp, |
| 1154 | &osamp |
| 1155 | ); |
| 1156 | ret += isamp; |
| 1157 | swlim -= isamp; |
| 1158 | pos += isamp; |
| 1159 | live += osamp; |
| 1160 | wpos = (wpos + osamp) % hwsamples; |
| 1161 | total += osamp; |
| 1162 | } |
| 1163 | |
| 1164 | sw->total_hw_samples_mixed += total; |
| 1165 | sw->empty = sw->total_hw_samples_mixed == 0; |
| 1166 | |
| 1167 | #ifdef DEBUG_OUT |
| 1168 | dolog ( |
| 1169 | "%s: write size %d ret %d total sw %d\n", |
| 1170 | SW_NAME (sw), |
| 1171 | size >> sw->info.shift, |
| 1172 | ret, |
| 1173 | sw->total_hw_samples_mixed |
| 1174 | ); |
| 1175 | #endif |
| 1176 | |
| 1177 | return ret << sw->info.shift; |
| 1178 | } |
| 1179 | |
| 1180 | #ifdef DEBUG_AUDIO |
| 1181 | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) |
| 1182 | { |
| 1183 | dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n", |
| 1184 | cap, info->bits, info->sign, info->freq, info->nchannels); |
| 1185 | } |
| 1186 | #endif |
| 1187 | |
| 1188 | #define DAC |
| 1189 | #include "audio_template.h" |
| 1190 | #undef DAC |
| 1191 | #include "audio_template.h" |
| 1192 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1193 | /* |
| 1194 | * Timer |
| 1195 | */ |
| 1196 | static void audio_timer (void *opaque) |
| 1197 | { |
| 1198 | AudioState *s = opaque; |
| 1199 | #if 0 |
| 1200 | #define MAX_DIFFS 100 |
| 1201 | int64_t now = qemu_get_clock(vm_clock); |
| 1202 | static int64_t last = 0; |
| 1203 | static float diffs[MAX_DIFFS]; |
| 1204 | static int num_diffs; |
| 1205 | |
| 1206 | if (last == 0) |
| 1207 | last = now; |
| 1208 | else { |
| 1209 | diffs[num_diffs] = (float)((now-last)/1e6); /* last diff in ms */ |
| 1210 | if (++num_diffs == MAX_DIFFS) { |
| 1211 | double min_diff = 1e6, max_diff = -1e6; |
| 1212 | double all_diff = 0.; |
| 1213 | int nn; |
| 1214 | |
| 1215 | for (nn = 0; nn < num_diffs; nn++) { |
| 1216 | if (diffs[nn] < min_diff) min_diff = diffs[nn]; |
| 1217 | if (diffs[nn] > max_diff) max_diff = diffs[nn]; |
| 1218 | all_diff += diffs[nn]; |
| 1219 | } |
| 1220 | all_diff *= 1.0/num_diffs; |
| 1221 | printf("audio timer: min_diff=%6.2g max_diff=%6.2g avg_diff=%6.2g samples=%d\n", |
| 1222 | min_diff, max_diff, all_diff, num_diffs); |
| 1223 | num_diffs = 0; |
| 1224 | } |
| 1225 | } |
| 1226 | last = now; |
| 1227 | #endif |
| 1228 | |
| 1229 | audio_run ("timer"); |
| 1230 | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
| 1231 | } |
| 1232 | |
| 1233 | |
| 1234 | static int audio_is_timer_needed (void) |
| 1235 | { |
| 1236 | HWVoiceIn *hwi = NULL; |
| 1237 | HWVoiceOut *hwo = NULL; |
| 1238 | |
| 1239 | while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { |
| 1240 | if (!hwo->poll_mode) return 1; |
| 1241 | } |
| 1242 | while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { |
| 1243 | if (!hwi->poll_mode) return 1; |
| 1244 | } |
| 1245 | return 0; |
| 1246 | } |
| 1247 | |
| 1248 | static void audio_reset_timer (void) |
| 1249 | { |
| 1250 | AudioState *s = &glob_audio_state; |
| 1251 | |
| 1252 | if (audio_is_timer_needed ()) { |
| 1253 | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1); |
| 1254 | } |
| 1255 | else { |
| 1256 | qemu_del_timer (s->ts); |
| 1257 | } |
| 1258 | } |
| 1259 | |
| 1260 | /* |
| 1261 | * Public API |
| 1262 | */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1263 | int AUD_write (SWVoiceOut *sw, void *buf, int size) |
| 1264 | { |
| 1265 | int bytes; |
| 1266 | |
| 1267 | if (!sw) { |
| 1268 | /* XXX: Consider options */ |
| 1269 | return size; |
| 1270 | } |
| 1271 | |
| 1272 | if (!sw->hw->enabled) { |
| 1273 | dolog ("Writing to disabled voice %s\n", SW_NAME (sw)); |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1277 | bytes = sw->hw->pcm_ops->write (sw, buf, size); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1278 | return bytes; |
| 1279 | } |
| 1280 | |
| 1281 | int AUD_read (SWVoiceIn *sw, void *buf, int size) |
| 1282 | { |
| 1283 | int bytes; |
| 1284 | |
| 1285 | if (!sw) { |
| 1286 | /* XXX: Consider options */ |
| 1287 | return size; |
| 1288 | } |
| 1289 | |
| 1290 | if (!sw->hw->enabled) { |
| 1291 | dolog ("Reading from disabled voice %s\n", SW_NAME (sw)); |
| 1292 | return 0; |
| 1293 | } |
| 1294 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1295 | bytes = sw->hw->pcm_ops->read (sw, buf, size); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1296 | return bytes; |
| 1297 | } |
| 1298 | |
| 1299 | int AUD_get_buffer_size_out (SWVoiceOut *sw) |
| 1300 | { |
| 1301 | return sw->hw->samples << sw->hw->info.shift; |
| 1302 | } |
| 1303 | |
| 1304 | void AUD_set_active_out (SWVoiceOut *sw, int on) |
| 1305 | { |
| 1306 | HWVoiceOut *hw; |
| 1307 | |
| 1308 | if (!sw) { |
| 1309 | return; |
| 1310 | } |
| 1311 | |
| 1312 | hw = sw->hw; |
| 1313 | if (sw->active != on) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1314 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1315 | SWVoiceOut *temp_sw; |
| 1316 | SWVoiceCap *sc; |
| 1317 | |
| 1318 | if (on) { |
| 1319 | hw->pending_disable = 0; |
| 1320 | if (!hw->enabled) { |
| 1321 | hw->enabled = 1; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1322 | if (s->vm_running) { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1323 | hw->pcm_ops->ctl_out (hw, VOICE_ENABLE, conf.try_poll_out); |
| 1324 | audio_reset_timer (); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1325 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1326 | } |
| 1327 | } |
| 1328 | else { |
| 1329 | if (hw->enabled) { |
| 1330 | int nb_active = 0; |
| 1331 | |
| 1332 | for (temp_sw = hw->sw_head.lh_first; temp_sw; |
| 1333 | temp_sw = temp_sw->entries.le_next) { |
| 1334 | nb_active += temp_sw->active != 0; |
| 1335 | } |
| 1336 | |
| 1337 | hw->pending_disable = nb_active == 1; |
| 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
| 1342 | sc->sw.active = hw->enabled; |
| 1343 | if (hw->enabled) { |
| 1344 | audio_capture_maybe_changed (sc->cap, 1); |
| 1345 | } |
| 1346 | } |
| 1347 | sw->active = on; |
| 1348 | } |
| 1349 | } |
| 1350 | |
| 1351 | void AUD_set_active_in (SWVoiceIn *sw, int on) |
| 1352 | { |
| 1353 | HWVoiceIn *hw; |
| 1354 | |
| 1355 | if (!sw) { |
| 1356 | return; |
| 1357 | } |
| 1358 | |
| 1359 | hw = sw->hw; |
| 1360 | if (sw->active != on) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1361 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1362 | SWVoiceIn *temp_sw; |
| 1363 | |
| 1364 | if (on) { |
| 1365 | if (!hw->enabled) { |
| 1366 | hw->enabled = 1; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1367 | if (s->vm_running) { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1368 | hw->pcm_ops->ctl_in (hw, VOICE_ENABLE, conf.try_poll_in); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1369 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1370 | } |
| 1371 | sw->total_hw_samples_acquired = hw->total_samples_captured; |
| 1372 | } |
| 1373 | else { |
| 1374 | if (hw->enabled) { |
| 1375 | int nb_active = 0; |
| 1376 | |
| 1377 | for (temp_sw = hw->sw_head.lh_first; temp_sw; |
| 1378 | temp_sw = temp_sw->entries.le_next) { |
| 1379 | nb_active += temp_sw->active != 0; |
| 1380 | } |
| 1381 | |
| 1382 | if (nb_active == 1) { |
| 1383 | hw->enabled = 0; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1384 | hw->pcm_ops->ctl_in (hw, VOICE_DISABLE); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1385 | } |
| 1386 | } |
| 1387 | } |
| 1388 | sw->active = on; |
| 1389 | } |
| 1390 | } |
| 1391 | |
| 1392 | static int audio_get_avail (SWVoiceIn *sw) |
| 1393 | { |
| 1394 | int live; |
| 1395 | |
| 1396 | if (!sw) { |
| 1397 | return 0; |
| 1398 | } |
| 1399 | |
| 1400 | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; |
| 1401 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
| 1402 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); |
| 1403 | return 0; |
| 1404 | } |
| 1405 | |
| 1406 | ldebug ( |
| 1407 | "%s: get_avail live %d ret %" PRId64 "\n", |
| 1408 | SW_NAME (sw), |
| 1409 | live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift |
| 1410 | ); |
| 1411 | |
| 1412 | return (((int64_t) live << 32) / sw->ratio) << sw->info.shift; |
| 1413 | } |
| 1414 | |
| 1415 | static int audio_get_free (SWVoiceOut *sw) |
| 1416 | { |
| 1417 | int live, dead; |
| 1418 | |
| 1419 | if (!sw) { |
| 1420 | return 0; |
| 1421 | } |
| 1422 | |
| 1423 | live = sw->total_hw_samples_mixed; |
| 1424 | |
| 1425 | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
| 1426 | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples); |
| 1427 | return 0; |
| 1428 | } |
| 1429 | |
| 1430 | dead = sw->hw->samples - live; |
| 1431 | |
| 1432 | #ifdef DEBUG_OUT |
| 1433 | dolog ("%s: get_free live %d dead %d ret %" PRId64 "\n", |
| 1434 | SW_NAME (sw), |
| 1435 | live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift); |
| 1436 | #endif |
| 1437 | |
| 1438 | return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; |
| 1439 | } |
| 1440 | |
| 1441 | static void audio_capture_mix_and_clear (HWVoiceOut *hw, int rpos, int samples) |
| 1442 | { |
| 1443 | int n; |
| 1444 | |
| 1445 | if (hw->enabled) { |
| 1446 | SWVoiceCap *sc; |
| 1447 | |
| 1448 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
| 1449 | SWVoiceOut *sw = &sc->sw; |
| 1450 | int rpos2 = rpos; |
| 1451 | |
| 1452 | n = samples; |
| 1453 | while (n) { |
| 1454 | int till_end_of_hw = hw->samples - rpos2; |
| 1455 | int to_write = audio_MIN (till_end_of_hw, n); |
| 1456 | int bytes = to_write << hw->info.shift; |
| 1457 | int written; |
| 1458 | |
| 1459 | sw->buf = hw->mix_buf + rpos2; |
| 1460 | written = audio_pcm_sw_write (sw, NULL, bytes); |
| 1461 | if (written - bytes) { |
| 1462 | dolog ("Could not mix %d bytes into a capture " |
| 1463 | "buffer, mixed %d\n", |
| 1464 | bytes, written); |
| 1465 | break; |
| 1466 | } |
| 1467 | n -= to_write; |
| 1468 | rpos2 = (rpos2 + to_write) % hw->samples; |
| 1469 | } |
| 1470 | } |
| 1471 | } |
| 1472 | |
| 1473 | n = audio_MIN (samples, hw->samples - rpos); |
| 1474 | mixeng_clear (hw->mix_buf + rpos, n); |
| 1475 | mixeng_clear (hw->mix_buf, samples - n); |
| 1476 | } |
| 1477 | |
| 1478 | static void audio_run_out (AudioState *s) |
| 1479 | { |
| 1480 | HWVoiceOut *hw = NULL; |
| 1481 | SWVoiceOut *sw; |
| 1482 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1483 | while ((hw = audio_pcm_hw_find_any_enabled_out (hw))) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1484 | int played; |
| 1485 | int live, free, nb_live, cleanup_required, prev_rpos; |
| 1486 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1487 | live = audio_pcm_hw_get_live_out (hw, &nb_live); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1488 | if (!nb_live) { |
| 1489 | live = 0; |
| 1490 | } |
| 1491 | |
| 1492 | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
| 1493 | dolog ("live=%d hw->samples=%d\n", live, hw->samples); |
| 1494 | continue; |
| 1495 | } |
| 1496 | |
| 1497 | if (hw->pending_disable && !nb_live) { |
| 1498 | SWVoiceCap *sc; |
| 1499 | #ifdef DEBUG_OUT |
| 1500 | dolog ("Disabling voice\n"); |
| 1501 | #endif |
| 1502 | hw->enabled = 0; |
| 1503 | hw->pending_disable = 0; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1504 | hw->pcm_ops->ctl_out (hw, VOICE_DISABLE); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1505 | for (sc = hw->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
| 1506 | sc->sw.active = 0; |
| 1507 | audio_recalc_and_notify_capture (sc->cap); |
| 1508 | } |
| 1509 | continue; |
| 1510 | } |
| 1511 | |
| 1512 | if (!live) { |
| 1513 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 1514 | if (sw->active) { |
| 1515 | free = audio_get_free (sw); |
| 1516 | if (free > 0) { |
| 1517 | sw->callback.fn (sw->callback.opaque, free); |
| 1518 | } |
| 1519 | } |
| 1520 | } |
| 1521 | continue; |
| 1522 | } |
| 1523 | |
| 1524 | prev_rpos = hw->rpos; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1525 | played = hw->pcm_ops->run_out (hw, live); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1526 | if (audio_bug (AUDIO_FUNC, hw->rpos >= hw->samples)) { |
| 1527 | dolog ("hw->rpos=%d hw->samples=%d played=%d\n", |
| 1528 | hw->rpos, hw->samples, played); |
| 1529 | hw->rpos = 0; |
| 1530 | } |
| 1531 | |
| 1532 | #ifdef DEBUG_OUT |
| 1533 | dolog ("played=%d\n", played); |
| 1534 | #endif |
| 1535 | |
| 1536 | if (played) { |
| 1537 | hw->ts_helper += played; |
| 1538 | audio_capture_mix_and_clear (hw, prev_rpos, played); |
| 1539 | } |
| 1540 | |
| 1541 | cleanup_required = 0; |
| 1542 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
David 'Digit' Turner | 5164d3c | 2010-12-22 16:55:41 +0100 | [diff] [blame] | 1543 | if (!sw->active || sw->empty) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1544 | continue; |
| 1545 | } |
| 1546 | |
| 1547 | if (audio_bug (AUDIO_FUNC, played > sw->total_hw_samples_mixed)) { |
| 1548 | dolog ("played=%d sw->total_hw_samples_mixed=%d\n", |
| 1549 | played, sw->total_hw_samples_mixed); |
| 1550 | played = sw->total_hw_samples_mixed; |
| 1551 | } |
| 1552 | |
| 1553 | sw->total_hw_samples_mixed -= played; |
| 1554 | |
| 1555 | if (!sw->total_hw_samples_mixed) { |
| 1556 | sw->empty = 1; |
| 1557 | cleanup_required |= !sw->active && !sw->callback.fn; |
| 1558 | } |
| 1559 | |
| 1560 | if (sw->active) { |
| 1561 | free = audio_get_free (sw); |
| 1562 | if (free > 0) { |
| 1563 | sw->callback.fn (sw->callback.opaque, free); |
| 1564 | } |
| 1565 | } |
| 1566 | } |
| 1567 | |
| 1568 | if (cleanup_required) { |
| 1569 | SWVoiceOut *sw1; |
| 1570 | |
| 1571 | sw = hw->sw_head.lh_first; |
| 1572 | while (sw) { |
| 1573 | sw1 = sw->entries.le_next; |
| 1574 | if (!sw->active && !sw->callback.fn) { |
| 1575 | #ifdef DEBUG_PLIVE |
| 1576 | dolog ("Finishing with old voice\n"); |
| 1577 | #endif |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1578 | audio_close_out (sw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1579 | } |
| 1580 | sw = sw1; |
| 1581 | } |
| 1582 | } |
| 1583 | } |
| 1584 | } |
| 1585 | |
| 1586 | static void audio_run_in (AudioState *s) |
| 1587 | { |
| 1588 | HWVoiceIn *hw = NULL; |
| 1589 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1590 | while ((hw = audio_pcm_hw_find_any_enabled_in (hw))) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1591 | SWVoiceIn *sw; |
| 1592 | int captured, min; |
| 1593 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1594 | captured = hw->pcm_ops->run_in (hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1595 | |
| 1596 | min = audio_pcm_hw_find_min_in (hw); |
| 1597 | hw->total_samples_captured += captured - min; |
| 1598 | hw->ts_helper += captured; |
| 1599 | |
| 1600 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 1601 | sw->total_hw_samples_acquired -= min; |
| 1602 | |
| 1603 | if (sw->active) { |
| 1604 | int avail; |
| 1605 | |
| 1606 | avail = audio_get_avail (sw); |
| 1607 | if (avail > 0) { |
| 1608 | sw->callback.fn (sw->callback.opaque, avail); |
| 1609 | } |
| 1610 | } |
| 1611 | } |
| 1612 | } |
| 1613 | } |
| 1614 | |
| 1615 | static void audio_run_capture (AudioState *s) |
| 1616 | { |
| 1617 | CaptureVoiceOut *cap; |
| 1618 | |
| 1619 | for (cap = s->cap_head.lh_first; cap; cap = cap->entries.le_next) { |
| 1620 | int live, rpos, captured; |
| 1621 | HWVoiceOut *hw = &cap->hw; |
| 1622 | SWVoiceOut *sw; |
| 1623 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1624 | captured = live = audio_pcm_hw_get_live_out (hw, NULL); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1625 | rpos = hw->rpos; |
| 1626 | while (live) { |
| 1627 | int left = hw->samples - rpos; |
| 1628 | int to_capture = audio_MIN (live, left); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1629 | struct st_sample *src; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1630 | struct capture_callback *cb; |
| 1631 | |
| 1632 | src = hw->mix_buf + rpos; |
| 1633 | hw->clip (cap->buf, src, to_capture); |
| 1634 | mixeng_clear (src, to_capture); |
| 1635 | |
| 1636 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { |
| 1637 | cb->ops.capture (cb->opaque, cap->buf, |
| 1638 | to_capture << hw->info.shift); |
| 1639 | } |
| 1640 | rpos = (rpos + to_capture) % hw->samples; |
| 1641 | live -= to_capture; |
| 1642 | } |
| 1643 | hw->rpos = rpos; |
| 1644 | |
| 1645 | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) { |
| 1646 | if (!sw->active && sw->empty) { |
| 1647 | continue; |
| 1648 | } |
| 1649 | |
| 1650 | if (audio_bug (AUDIO_FUNC, captured > sw->total_hw_samples_mixed)) { |
| 1651 | dolog ("captured=%d sw->total_hw_samples_mixed=%d\n", |
| 1652 | captured, sw->total_hw_samples_mixed); |
| 1653 | captured = sw->total_hw_samples_mixed; |
| 1654 | } |
| 1655 | |
| 1656 | sw->total_hw_samples_mixed -= captured; |
| 1657 | sw->empty = sw->total_hw_samples_mixed == 0; |
| 1658 | } |
| 1659 | } |
| 1660 | } |
| 1661 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1662 | void audio_run (const char *msg) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1663 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1664 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1665 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1666 | audio_run_out (s); |
| 1667 | audio_run_in (s); |
| 1668 | audio_run_capture (s); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1669 | #ifdef DEBUG_POLL |
| 1670 | { |
| 1671 | static double prevtime; |
| 1672 | double currtime; |
| 1673 | struct timeval tv; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1674 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1675 | if (gettimeofday (&tv, NULL)) { |
| 1676 | perror ("audio_run: gettimeofday"); |
| 1677 | return; |
| 1678 | } |
| 1679 | |
| 1680 | currtime = tv.tv_sec + tv.tv_usec * 1e-6; |
| 1681 | dolog ("Elapsed since last %s: %f\n", msg, currtime - prevtime); |
| 1682 | prevtime = currtime; |
| 1683 | } |
| 1684 | #endif |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1685 | } |
| 1686 | |
| 1687 | static struct audio_option audio_options[] = { |
| 1688 | /* DAC */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1689 | { |
| 1690 | .name = "DAC_FIXED_SETTINGS", |
| 1691 | .tag = AUD_OPT_BOOL, |
| 1692 | .valp = &conf.fixed_out.enabled, |
| 1693 | .descr = "Use fixed settings for host DAC" |
| 1694 | }, |
| 1695 | { |
| 1696 | .name = "DAC_FIXED_FREQ", |
| 1697 | .tag = AUD_OPT_INT, |
| 1698 | .valp = &conf.fixed_out.settings.freq, |
| 1699 | .descr = "Frequency for fixed host DAC" |
| 1700 | }, |
| 1701 | { |
| 1702 | .name = "DAC_FIXED_FMT", |
| 1703 | .tag = AUD_OPT_FMT, |
| 1704 | .valp = &conf.fixed_out.settings.fmt, |
| 1705 | .descr = "Format for fixed host DAC" |
| 1706 | }, |
| 1707 | { |
| 1708 | .name = "DAC_FIXED_CHANNELS", |
| 1709 | .tag = AUD_OPT_INT, |
| 1710 | .valp = &conf.fixed_out.settings.nchannels, |
| 1711 | .descr = "Number of channels for fixed DAC (1 - mono, 2 - stereo)" |
| 1712 | }, |
| 1713 | { |
| 1714 | .name = "DAC_VOICES", |
| 1715 | .tag = AUD_OPT_INT, |
| 1716 | .valp = &conf.fixed_out.nb_voices, |
| 1717 | .descr = "Number of voices for DAC" |
| 1718 | }, |
| 1719 | { |
| 1720 | .name = "DAC_TRY_POLL", |
| 1721 | .tag = AUD_OPT_BOOL, |
| 1722 | .valp = &conf.try_poll_out, |
| 1723 | .descr = "Attempt using poll mode for DAC" |
| 1724 | }, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1725 | /* ADC */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1726 | { |
| 1727 | .name = "ADC_FIXED_SETTINGS", |
| 1728 | .tag = AUD_OPT_BOOL, |
| 1729 | .valp = &conf.fixed_in.enabled, |
| 1730 | .descr = "Use fixed settings for host ADC" |
| 1731 | }, |
| 1732 | { |
| 1733 | .name = "ADC_FIXED_FREQ", |
| 1734 | .tag = AUD_OPT_INT, |
| 1735 | .valp = &conf.fixed_in.settings.freq, |
| 1736 | .descr = "Frequency for fixed host ADC" |
| 1737 | }, |
| 1738 | { |
| 1739 | .name = "ADC_FIXED_FMT", |
| 1740 | .tag = AUD_OPT_FMT, |
| 1741 | .valp = &conf.fixed_in.settings.fmt, |
| 1742 | .descr = "Format for fixed host ADC" |
| 1743 | }, |
| 1744 | { |
| 1745 | .name = "ADC_FIXED_CHANNELS", |
| 1746 | .tag = AUD_OPT_INT, |
| 1747 | .valp = &conf.fixed_in.settings.nchannels, |
| 1748 | .descr = "Number of channels for fixed ADC (1 - mono, 2 - stereo)" |
| 1749 | }, |
| 1750 | { |
| 1751 | .name = "ADC_VOICES", |
| 1752 | .tag = AUD_OPT_INT, |
| 1753 | .valp = &conf.fixed_in.nb_voices, |
| 1754 | .descr = "Number of voices for ADC" |
| 1755 | }, |
| 1756 | { |
| 1757 | .name = "ADC_TRY_POLL", |
| 1758 | .tag = AUD_OPT_BOOL, |
| 1759 | .valp = &conf.try_poll_in, |
| 1760 | .descr = "Attempt using poll mode for ADC" |
| 1761 | }, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1762 | /* Misc */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1763 | { |
| 1764 | .name = "TIMER_PERIOD", |
| 1765 | .tag = AUD_OPT_INT, |
| 1766 | .valp = &conf.period.hertz, |
| 1767 | .descr = "Timer period in HZ (0 - use lowest possible)" |
| 1768 | }, |
| 1769 | { |
| 1770 | .name = "PLIVE", |
| 1771 | .tag = AUD_OPT_BOOL, |
| 1772 | .valp = &conf.plive, |
| 1773 | .descr = "(undocumented)" |
| 1774 | }, |
| 1775 | { |
| 1776 | .name = "LOG_TO_MONITOR", |
| 1777 | .tag = AUD_OPT_BOOL, |
| 1778 | .valp = &conf.log_to_monitor, |
| 1779 | .descr = "Print logging messages to monitor instead of stderr" |
| 1780 | }, |
| 1781 | { /* End of list */ } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1782 | }; |
| 1783 | |
| 1784 | static void audio_pp_nb_voices (const char *typ, int nb) |
| 1785 | { |
| 1786 | switch (nb) { |
| 1787 | case 0: |
| 1788 | printf ("Does not support %s\n", typ); |
| 1789 | break; |
| 1790 | case 1: |
| 1791 | printf ("One %s voice\n", typ); |
| 1792 | break; |
| 1793 | case INT_MAX: |
| 1794 | printf ("Theoretically supports many %s voices\n", typ); |
| 1795 | break; |
| 1796 | default: |
| 1797 | printf ("Theoretically supports upto %d %s voices\n", nb, typ); |
| 1798 | break; |
| 1799 | } |
| 1800 | |
| 1801 | } |
| 1802 | |
| 1803 | void AUD_help (void) |
| 1804 | { |
| 1805 | size_t i; |
| 1806 | |
| 1807 | audio_process_options ("AUDIO", audio_options); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1808 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1809 | struct audio_driver *d = drvtab[i]; |
| 1810 | if (d->options) { |
| 1811 | audio_process_options (d->name, d->options); |
| 1812 | } |
| 1813 | } |
| 1814 | |
| 1815 | printf ("Audio options:\n"); |
| 1816 | audio_print_options ("AUDIO", audio_options); |
| 1817 | printf ("\n"); |
| 1818 | |
| 1819 | printf ("Available drivers:\n"); |
| 1820 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1821 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1822 | struct audio_driver *d = drvtab[i]; |
| 1823 | |
| 1824 | printf ("Name: %s\n", d->name); |
| 1825 | printf ("Description: %s\n", d->descr); |
| 1826 | |
| 1827 | audio_pp_nb_voices ("playback", d->max_voices_out); |
| 1828 | audio_pp_nb_voices ("capture", d->max_voices_in); |
| 1829 | |
| 1830 | if (d->options) { |
| 1831 | printf ("Options:\n"); |
| 1832 | audio_print_options (d->name, d->options); |
| 1833 | } |
| 1834 | else { |
| 1835 | printf ("No options\n"); |
| 1836 | } |
| 1837 | printf ("\n"); |
| 1838 | } |
| 1839 | |
| 1840 | printf ( |
| 1841 | "Options are settable through environment variables.\n" |
| 1842 | "Example:\n" |
| 1843 | #ifdef _WIN32 |
| 1844 | " set QEMU_AUDIO_DRV=wav\n" |
| 1845 | " set QEMU_WAV_PATH=c:\\tune.wav\n" |
| 1846 | #else |
| 1847 | " export QEMU_AUDIO_DRV=wav\n" |
| 1848 | " export QEMU_WAV_PATH=$HOME/tune.wav\n" |
| 1849 | "(for csh replace export with setenv in the above)\n" |
| 1850 | #endif |
| 1851 | " qemu ...\n\n" |
| 1852 | ); |
| 1853 | } |
| 1854 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1855 | static int audio_driver_init (AudioState *s, struct audio_driver *drv) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1856 | { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1857 | if (drv->options) { |
| 1858 | audio_process_options (drv->name, drv->options); |
| 1859 | } |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1860 | s->drv_opaque = drv->init (); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1861 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1862 | if (s->drv_opaque) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1863 | audio_init_nb_voices_out (drv); |
| 1864 | audio_init_nb_voices_in (drv); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1865 | s->drv = drv; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1866 | return 0; |
| 1867 | } |
| 1868 | else { |
| 1869 | dolog ("Could not init `%s' audio driver\n", drv->name); |
| 1870 | return -1; |
| 1871 | } |
| 1872 | } |
| 1873 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1874 | static void audio_vm_change_state_handler (void *opaque, int running, |
| 1875 | int reason) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1876 | { |
| 1877 | AudioState *s = opaque; |
| 1878 | HWVoiceOut *hwo = NULL; |
| 1879 | HWVoiceIn *hwi = NULL; |
| 1880 | int op = running ? VOICE_ENABLE : VOICE_DISABLE; |
| 1881 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1882 | s->vm_running = running; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1883 | while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { |
| 1884 | hwo->pcm_ops->ctl_out (hwo, op, conf.try_poll_out); |
| 1885 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1886 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1887 | while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { |
| 1888 | hwi->pcm_ops->ctl_in (hwi, op, conf.try_poll_in); |
| 1889 | } |
| 1890 | audio_reset_timer (); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1891 | } |
| 1892 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1893 | static int initialized; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1894 | |
| 1895 | static void audio_atexit (void) |
| 1896 | { |
| 1897 | AudioState *s = &glob_audio_state; |
| 1898 | HWVoiceOut *hwo = NULL; |
| 1899 | HWVoiceIn *hwi = NULL; |
| 1900 | |
| 1901 | if (!initialized) return; |
| 1902 | initialized = 0; |
| 1903 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1904 | while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1905 | SWVoiceCap *sc; |
| 1906 | |
| 1907 | hwo->pcm_ops->ctl_out (hwo, VOICE_DISABLE); |
| 1908 | hwo->pcm_ops->fini_out (hwo); |
| 1909 | |
| 1910 | for (sc = hwo->cap_head.lh_first; sc; sc = sc->entries.le_next) { |
| 1911 | CaptureVoiceOut *cap = sc->cap; |
| 1912 | struct capture_callback *cb; |
| 1913 | |
| 1914 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { |
| 1915 | cb->ops.destroy (cb->opaque); |
| 1916 | } |
| 1917 | } |
| 1918 | } |
| 1919 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1920 | while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1921 | hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE); |
| 1922 | hwi->pcm_ops->fini_in (hwi); |
| 1923 | } |
| 1924 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1925 | if (s->drv) { |
| 1926 | s->drv->fini (s->drv_opaque); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1927 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1928 | } |
| 1929 | |
| 1930 | static void audio_save (QEMUFile *f, void *opaque) |
| 1931 | { |
| 1932 | (void) f; |
| 1933 | (void) opaque; |
| 1934 | } |
| 1935 | |
| 1936 | static int audio_load (QEMUFile *f, void *opaque, int version_id) |
| 1937 | { |
| 1938 | (void) f; |
| 1939 | (void) opaque; |
| 1940 | |
| 1941 | if (version_id != 1) { |
| 1942 | return -EINVAL; |
| 1943 | } |
| 1944 | |
| 1945 | return 0; |
| 1946 | } |
| 1947 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1948 | |
| 1949 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1950 | static void audio_init (void) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1951 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1952 | size_t i; |
| 1953 | int done = 0; |
| 1954 | const char *drvname; |
| 1955 | VMChangeStateEntry *e; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1956 | AudioState *s = &glob_audio_state; |
| 1957 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1958 | if (s->drv) { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1959 | return; |
| 1960 | } |
| 1961 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 1962 | QLIST_INIT (&s->hw_head_out); |
| 1963 | QLIST_INIT (&s->hw_head_in); |
| 1964 | QLIST_INIT (&s->cap_head); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1965 | atexit (audio_atexit); |
| 1966 | |
| 1967 | s->ts = qemu_new_timer (vm_clock, audio_timer, s); |
| 1968 | if (!s->ts) { |
| 1969 | dolog ("Could not create audio timer\n"); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1970 | return; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1971 | } |
| 1972 | |
| 1973 | audio_process_options ("AUDIO", audio_options); |
| 1974 | |
| 1975 | s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
| 1976 | s->nb_hw_voices_in = conf.fixed_in.nb_voices; |
| 1977 | |
| 1978 | if (s->nb_hw_voices_out <= 0) { |
| 1979 | dolog ("Bogus number of playback voices %d, setting to 1\n", |
| 1980 | s->nb_hw_voices_out); |
| 1981 | s->nb_hw_voices_out = 1; |
| 1982 | } |
| 1983 | |
| 1984 | if (s->nb_hw_voices_in <= 0) { |
| 1985 | dolog ("Bogus number of capture voices %d, setting to 0\n", |
| 1986 | s->nb_hw_voices_in); |
| 1987 | s->nb_hw_voices_in = 0; |
| 1988 | } |
| 1989 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1990 | { |
| 1991 | int def; |
| 1992 | drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 1993 | } |
| 1994 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 1995 | if (drvname) { |
| 1996 | int found = 0; |
| 1997 | |
| 1998 | for (i = 0; i < ARRAY_SIZE (drvtab); i++) { |
| 1999 | if (!strcmp (drvname, drvtab[i]->name)) { |
| 2000 | done = !audio_driver_init (s, drvtab[i]); |
| 2001 | found = 1; |
| 2002 | break; |
| 2003 | } |
| 2004 | } |
| 2005 | |
| 2006 | if (!found) { |
| 2007 | dolog ("Unknown audio driver `%s'\n", drvname); |
| 2008 | dolog ("Run with -audio-help to list available drivers\n"); |
| 2009 | } |
| 2010 | } |
| 2011 | |
| 2012 | if (!done) { |
| 2013 | for (i = 0; !done && i < ARRAY_SIZE (drvtab); i++) { |
| 2014 | if (drvtab[i]->can_be_default) { |
| 2015 | done = !audio_driver_init (s, drvtab[i]); |
| 2016 | } |
| 2017 | } |
| 2018 | } |
| 2019 | |
| 2020 | if (!done) { |
| 2021 | done = !audio_driver_init (s, &no_audio_driver); |
| 2022 | if (!done) { |
| 2023 | hw_error("Could not initialize audio subsystem\n"); |
| 2024 | } |
| 2025 | else { |
| 2026 | dolog ("warning: Using timer based audio emulation\n"); |
| 2027 | } |
| 2028 | } |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2029 | |
| 2030 | if (conf.period.hertz <= 0) { |
| 2031 | if (conf.period.hertz < 0) { |
| 2032 | dolog ("warning: Timer period is negative - %d " |
| 2033 | "treating as zero\n", |
| 2034 | conf.period.hertz); |
| 2035 | } |
| 2036 | conf.period.ticks = 1; |
| 2037 | } else { |
David 'Digit' Turner | a7fb77d | 2010-05-10 23:50:54 -0700 | [diff] [blame] | 2038 | conf.period.ticks = |
| 2039 | muldiv64 (1, get_ticks_per_sec (), conf.period.hertz); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2040 | } |
| 2041 | |
| 2042 | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
| 2043 | if (!e) { |
| 2044 | dolog ("warning: Could not register change state handler\n" |
| 2045 | "(Audio can continue looping even after stopping the VM)\n"); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2046 | } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2047 | initialized = 1; |
| 2048 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2049 | QLIST_INIT (&s->card_head); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2050 | register_savevm ("audio", 0, 1, audio_save, audio_load, s); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 2051 | audio_reset_timer(); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2052 | } |
| 2053 | |
| 2054 | void AUD_register_card (const char *name, QEMUSoundCard *card) |
| 2055 | { |
| 2056 | audio_init (); |
| 2057 | card->name = qemu_strdup (name); |
| 2058 | memset (&card->entries, 0, sizeof (card->entries)); |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2059 | QLIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2060 | } |
| 2061 | |
| 2062 | void AUD_remove_card (QEMUSoundCard *card) |
| 2063 | { |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2064 | QLIST_REMOVE (card, entries); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2065 | qemu_free (card->name); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2066 | } |
| 2067 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2068 | |
| 2069 | CaptureVoiceOut *AUD_add_capture ( |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2070 | struct audsettings *as, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2071 | struct audio_capture_ops *ops, |
| 2072 | void *cb_opaque |
| 2073 | ) |
| 2074 | { |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2075 | AudioState *s = &glob_audio_state; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2076 | CaptureVoiceOut *cap; |
| 2077 | struct capture_callback *cb; |
| 2078 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2079 | if (audio_validate_settings (as)) { |
| 2080 | dolog ("Invalid settings were passed when trying to add capture\n"); |
| 2081 | audio_print_settings (as); |
| 2082 | goto err0; |
| 2083 | } |
| 2084 | |
| 2085 | cb = audio_calloc (AUDIO_FUNC, 1, sizeof (*cb)); |
| 2086 | if (!cb) { |
| 2087 | dolog ("Could not allocate capture callback information, size %zu\n", |
| 2088 | sizeof (*cb)); |
| 2089 | goto err0; |
| 2090 | } |
| 2091 | cb->ops = *ops; |
| 2092 | cb->opaque = cb_opaque; |
| 2093 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2094 | cap = audio_pcm_capture_find_specific (as); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2095 | if (cap) { |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2096 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2097 | return cap; |
| 2098 | } |
| 2099 | else { |
| 2100 | HWVoiceOut *hw; |
| 2101 | CaptureVoiceOut *cap; |
| 2102 | |
| 2103 | cap = audio_calloc (AUDIO_FUNC, 1, sizeof (*cap)); |
| 2104 | if (!cap) { |
| 2105 | dolog ("Could not allocate capture voice, size %zu\n", |
| 2106 | sizeof (*cap)); |
| 2107 | goto err1; |
| 2108 | } |
| 2109 | |
| 2110 | hw = &cap->hw; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2111 | QLIST_INIT (&hw->sw_head); |
| 2112 | QLIST_INIT (&cap->cb_head); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2113 | |
| 2114 | /* XXX find a more elegant way */ |
| 2115 | hw->samples = 4096 * 4; |
| 2116 | hw->mix_buf = audio_calloc (AUDIO_FUNC, hw->samples, |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2117 | sizeof (struct st_sample)); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2118 | if (!hw->mix_buf) { |
| 2119 | dolog ("Could not allocate capture mix buffer (%d samples)\n", |
| 2120 | hw->samples); |
| 2121 | goto err2; |
| 2122 | } |
| 2123 | |
| 2124 | audio_pcm_init_info (&hw->info, as); |
| 2125 | |
| 2126 | cap->buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift); |
| 2127 | if (!cap->buf) { |
| 2128 | dolog ("Could not allocate capture buffer " |
| 2129 | "(%d samples, each %d bytes)\n", |
| 2130 | hw->samples, 1 << hw->info.shift); |
| 2131 | goto err3; |
| 2132 | } |
| 2133 | |
| 2134 | hw->clip = mixeng_clip |
| 2135 | [hw->info.nchannels == 2] |
| 2136 | [hw->info.sign] |
| 2137 | [hw->info.swap_endianness] |
| 2138 | [audio_bits_to_index (hw->info.bits)]; |
| 2139 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2140 | QLIST_INSERT_HEAD (&s->cap_head, cap, entries); |
| 2141 | QLIST_INSERT_HEAD (&cap->cb_head, cb, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2142 | |
| 2143 | hw = NULL; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 2144 | while ((hw = audio_pcm_hw_find_any_out (hw))) { |
| 2145 | audio_attach_capture (hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2146 | } |
| 2147 | return cap; |
| 2148 | |
| 2149 | err3: |
| 2150 | qemu_free (cap->hw.mix_buf); |
| 2151 | err2: |
| 2152 | qemu_free (cap); |
| 2153 | err1: |
| 2154 | qemu_free (cb); |
| 2155 | err0: |
| 2156 | return NULL; |
| 2157 | } |
| 2158 | } |
| 2159 | |
| 2160 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque) |
| 2161 | { |
| 2162 | struct capture_callback *cb; |
| 2163 | |
| 2164 | for (cb = cap->cb_head.lh_first; cb; cb = cb->entries.le_next) { |
| 2165 | if (cb->opaque == cb_opaque) { |
| 2166 | cb->ops.destroy (cb_opaque); |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2167 | QLIST_REMOVE (cb, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2168 | qemu_free (cb); |
| 2169 | |
| 2170 | if (!cap->cb_head.lh_first) { |
| 2171 | SWVoiceOut *sw = cap->hw.sw_head.lh_first, *sw1; |
| 2172 | |
| 2173 | while (sw) { |
| 2174 | SWVoiceCap *sc = (SWVoiceCap *) sw; |
| 2175 | #ifdef DEBUG_CAPTURE |
| 2176 | dolog ("freeing %s\n", sw->name); |
| 2177 | #endif |
| 2178 | |
| 2179 | sw1 = sw->entries.le_next; |
| 2180 | if (sw->rate) { |
| 2181 | st_rate_stop (sw->rate); |
| 2182 | sw->rate = NULL; |
| 2183 | } |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2184 | QLIST_REMOVE (sw, entries); |
| 2185 | QLIST_REMOVE (sc, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2186 | qemu_free (sc); |
| 2187 | sw = sw1; |
| 2188 | } |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 2189 | QLIST_REMOVE (cap, entries); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 2190 | qemu_free (cap); |
| 2191 | } |
| 2192 | return; |
| 2193 | } |
| 2194 | } |
| 2195 | } |
| 2196 | |
| 2197 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol) |
| 2198 | { |
| 2199 | if (sw) { |
| 2200 | sw->vol.mute = mute; |
| 2201 | sw->vol.l = nominal_volume.l * lvol / 255; |
| 2202 | sw->vol.r = nominal_volume.r * rvol / 255; |
| 2203 | } |
| 2204 | } |
| 2205 | |
| 2206 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) |
| 2207 | { |
| 2208 | if (sw) { |
| 2209 | sw->vol.mute = mute; |
| 2210 | sw->vol.l = nominal_volume.l * lvol / 255; |
| 2211 | sw->vol.r = nominal_volume.r * rvol / 255; |
| 2212 | } |
| 2213 | } |