Tristan Matthews | 0a329cc | 2013-07-17 13:20:14 -0400 | [diff] [blame] | 1 | /* $Id$ */ |
| 2 | /* |
| 3 | * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| 4 | * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #include <pjmedia-audiodev/audiodev_imp.h> |
| 21 | #include <pj/assert.h> |
| 22 | #include <pj/log.h> |
| 23 | #include <pj/os.h> |
| 24 | #include <pj/string.h> |
| 25 | #include <pj/unicode.h> |
| 26 | |
| 27 | #if PJMEDIA_AUDIO_DEV_HAS_WMME |
| 28 | |
| 29 | #ifdef _MSC_VER |
| 30 | # pragma warning(push, 3) |
| 31 | #endif |
| 32 | |
| 33 | #include <windows.h> |
| 34 | #include <mmsystem.h> |
| 35 | #include <mmreg.h> |
| 36 | |
| 37 | #ifdef _MSC_VER |
| 38 | # pragma warning(pop) |
| 39 | #endif |
| 40 | |
| 41 | #ifndef PJMEDIA_WMME_DEV_USE_MMDEVICE_API |
| 42 | # define PJMEDIA_WMME_DEV_USE_MMDEVICE_API \ |
| 43 | (defined(_WIN32_WINNT) && (_WIN32_WINNT>=0x0600)) |
| 44 | #endif |
| 45 | |
| 46 | #if PJMEDIA_WMME_DEV_USE_MMDEVICE_API != 0 |
| 47 | # define DRV_QUERYFUNCTIONINSTANCEID (DRV_RESERVED + 17) |
| 48 | # define DRV_QUERYFUNCTIONINSTANCEIDSIZE (DRV_RESERVED + 18) |
| 49 | #endif |
| 50 | |
| 51 | /* mingw lacks WAVE_FORMAT_ALAW/MULAW */ |
| 52 | #ifndef WAVE_FORMAT_ALAW |
| 53 | # define WAVE_FORMAT_ALAW 0x0006 |
| 54 | #endif |
| 55 | #ifndef WAVE_FORMAT_MULAW |
| 56 | # define WAVE_FORMAT_MULAW 0x0007 |
| 57 | #endif |
| 58 | |
| 59 | #if defined(PJ_WIN32_WINCE) && PJ_WIN32_WINCE!=0 |
| 60 | # pragma comment(lib, "Coredll.lib") |
| 61 | #elif defined(_MSC_VER) |
| 62 | # pragma comment(lib, "winmm.lib") |
| 63 | #endif |
| 64 | |
| 65 | |
| 66 | #define THIS_FILE "wmme_dev.c" |
| 67 | |
| 68 | /* WMME device info */ |
| 69 | struct wmme_dev_info |
| 70 | { |
| 71 | pjmedia_aud_dev_info info; |
| 72 | unsigned deviceId; |
| 73 | const wchar_t *endpointId; |
| 74 | }; |
| 75 | |
| 76 | /* WMME factory */ |
| 77 | struct wmme_factory |
| 78 | { |
| 79 | pjmedia_aud_dev_factory base; |
| 80 | pj_pool_t *base_pool; |
| 81 | pj_pool_t *pool; |
| 82 | pj_pool_factory *pf; |
| 83 | |
| 84 | unsigned dev_count; |
| 85 | struct wmme_dev_info *dev_info; |
| 86 | }; |
| 87 | |
| 88 | |
| 89 | /* Individual WMME capture/playback stream descriptor */ |
| 90 | struct wmme_channel |
| 91 | { |
| 92 | union |
| 93 | { |
| 94 | HWAVEIN In; |
| 95 | HWAVEOUT Out; |
| 96 | } hWave; |
| 97 | |
| 98 | WAVEHDR *WaveHdr; |
| 99 | HANDLE hEvent; |
| 100 | DWORD dwBufIdx; |
| 101 | DWORD dwMaxBufIdx; |
| 102 | pj_timestamp timestamp; |
| 103 | }; |
| 104 | |
| 105 | |
| 106 | /* Sound stream. */ |
| 107 | struct wmme_stream |
| 108 | { |
| 109 | pjmedia_aud_stream base; /**< Base stream */ |
| 110 | pjmedia_aud_param param; /**< Settings */ |
| 111 | pj_pool_t *pool; /**< Memory pool. */ |
| 112 | |
| 113 | pjmedia_aud_rec_cb rec_cb; /**< Capture callback. */ |
| 114 | pjmedia_aud_play_cb play_cb; /**< Playback callback. */ |
| 115 | void *user_data; /**< Application data. */ |
| 116 | |
| 117 | struct wmme_channel play_strm; /**< Playback stream. */ |
| 118 | struct wmme_channel rec_strm; /**< Capture stream. */ |
| 119 | |
| 120 | void *buffer; /**< Temp. frame buffer. */ |
| 121 | pjmedia_format_id fmt_id; /**< Frame format */ |
| 122 | pj_uint8_t silence_char; /**< Silence pattern */ |
| 123 | unsigned bytes_per_frame; /**< Bytes per frame */ |
| 124 | |
| 125 | pjmedia_frame_ext *xfrm; /**< Extended frame buffer */ |
| 126 | unsigned xfrm_size; /**< Total ext frm size */ |
| 127 | |
| 128 | pj_thread_t *thread; /**< Thread handle. */ |
| 129 | HANDLE thread_quit_event; /**< Quit signal to thread */ |
| 130 | }; |
| 131 | |
| 132 | |
| 133 | /* Prototypes */ |
| 134 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f); |
| 135 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f); |
| 136 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f); |
| 137 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f); |
| 138 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 139 | unsigned index, |
| 140 | pjmedia_aud_dev_info *info); |
| 141 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 142 | unsigned index, |
| 143 | pjmedia_aud_param *param); |
| 144 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 145 | const pjmedia_aud_param *param, |
| 146 | pjmedia_aud_rec_cb rec_cb, |
| 147 | pjmedia_aud_play_cb play_cb, |
| 148 | void *user_data, |
| 149 | pjmedia_aud_stream **p_aud_strm); |
| 150 | |
| 151 | static pj_status_t stream_get_param(pjmedia_aud_stream *strm, |
| 152 | pjmedia_aud_param *param); |
| 153 | static pj_status_t stream_get_cap(pjmedia_aud_stream *strm, |
| 154 | pjmedia_aud_dev_cap cap, |
| 155 | void *value); |
| 156 | static pj_status_t stream_set_cap(pjmedia_aud_stream *strm, |
| 157 | pjmedia_aud_dev_cap cap, |
| 158 | const void *value); |
| 159 | static pj_status_t stream_start(pjmedia_aud_stream *strm); |
| 160 | static pj_status_t stream_stop(pjmedia_aud_stream *strm); |
| 161 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm); |
| 162 | |
| 163 | |
| 164 | /* Operations */ |
| 165 | static pjmedia_aud_dev_factory_op factory_op = |
| 166 | { |
| 167 | &factory_init, |
| 168 | &factory_destroy, |
| 169 | &factory_get_dev_count, |
| 170 | &factory_get_dev_info, |
| 171 | &factory_default_param, |
| 172 | &factory_create_stream, |
| 173 | &factory_refresh |
| 174 | }; |
| 175 | |
| 176 | static pjmedia_aud_stream_op stream_op = |
| 177 | { |
| 178 | &stream_get_param, |
| 179 | &stream_get_cap, |
| 180 | &stream_set_cap, |
| 181 | &stream_start, |
| 182 | &stream_stop, |
| 183 | &stream_destroy |
| 184 | }; |
| 185 | |
| 186 | |
| 187 | /**************************************************************************** |
| 188 | * Factory operations |
| 189 | */ |
| 190 | /* |
| 191 | * Init WMME audio driver. |
| 192 | */ |
| 193 | pjmedia_aud_dev_factory* pjmedia_wmme_factory(pj_pool_factory *pf) |
| 194 | { |
| 195 | struct wmme_factory *f; |
| 196 | pj_pool_t *pool; |
| 197 | |
| 198 | pool = pj_pool_create(pf, "WMME base", 1000, 1000, NULL); |
| 199 | f = PJ_POOL_ZALLOC_T(pool, struct wmme_factory); |
| 200 | f->pf = pf; |
| 201 | f->base_pool = pool; |
| 202 | f->base.op = &factory_op; |
| 203 | |
| 204 | return &f->base; |
| 205 | } |
| 206 | |
| 207 | /* Internal: Windows Vista and Windows 7 have their device |
| 208 | * names truncated when using the waveXXX api. The names |
| 209 | * should be acquired from the MMDevice APIs |
| 210 | */ |
| 211 | #if PJMEDIA_WMME_DEV_USE_MMDEVICE_API != 0 |
| 212 | |
| 213 | #define COBJMACROS |
| 214 | #include <mmdeviceapi.h> |
| 215 | #define INITGUID |
| 216 | #include <Guiddef.h> |
| 217 | #include <FunctionDiscoveryKeys_devpkey.h> |
| 218 | |
| 219 | DEFINE_GUID(CLSID_MMDeviceEnumerator, 0xBCDE0395, 0xE52F, 0x467C, |
| 220 | 0x8E, 0x3D, 0xC4, 0x57, 0x92, 0x91, 0x69, 0x2E); |
| 221 | DEFINE_GUID(IID_IMMDeviceEnumerator, 0xA95664D2, 0x9614, 0x4F35, |
| 222 | 0xA7, 0x46, 0xDE, 0x8D, 0xB6, 0x36, 0x17, 0xE6); |
| 223 | |
| 224 | static void get_dev_names(pjmedia_aud_dev_factory *f) |
| 225 | { |
| 226 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 227 | HRESULT coinit = S_OK; |
| 228 | HRESULT hr = S_OK; |
| 229 | IMMDeviceEnumerator *pEnumerator = NULL; |
| 230 | IMMDeviceCollection *pDevices = NULL; |
| 231 | UINT cDevices = 0; |
| 232 | UINT nDevice = 0; |
| 233 | |
| 234 | coinit = CoInitializeEx(NULL, COINIT_MULTITHREADED); |
| 235 | if (coinit == RPC_E_CHANGED_MODE) |
| 236 | coinit = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); |
| 237 | if (FAILED(coinit)) |
| 238 | goto on_error; |
| 239 | |
| 240 | hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, |
| 241 | CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, |
| 242 | (void**)&pEnumerator); |
| 243 | if (FAILED(hr)) |
| 244 | goto on_error; |
| 245 | hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eAll, |
| 246 | DEVICE_STATE_ACTIVE, |
| 247 | &pDevices); |
| 248 | if (FAILED(hr)) |
| 249 | goto on_error; |
| 250 | hr = IMMDeviceCollection_GetCount(pDevices, &cDevices); |
| 251 | if (FAILED(hr)) |
| 252 | goto on_error; |
| 253 | |
| 254 | for (nDevice = 0; nDevice < cDevices; ++nDevice) { |
| 255 | IMMDevice *pDevice = NULL; |
| 256 | IPropertyStore *pProps = NULL; |
| 257 | LPWSTR pwszID = NULL; |
| 258 | PROPVARIANT varName; |
| 259 | unsigned i; |
| 260 | |
| 261 | PropVariantInit(&varName); |
| 262 | |
| 263 | hr = IMMDeviceCollection_Item(pDevices, nDevice, &pDevice); |
| 264 | if (FAILED(hr)) |
| 265 | goto cleanup; |
| 266 | hr = IMMDevice_GetId(pDevice, &pwszID); |
| 267 | if (FAILED(hr)) |
| 268 | goto cleanup; |
| 269 | hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps); |
| 270 | if (FAILED(hr)) |
| 271 | goto cleanup; |
| 272 | hr = IPropertyStore_GetValue(pProps, &PKEY_Device_FriendlyName, |
| 273 | &varName); |
| 274 | if (FAILED(hr)) |
| 275 | goto cleanup; |
| 276 | |
| 277 | for (i = 0; i < wf->dev_count; ++i) { |
| 278 | if (0 == wcscmp(wf->dev_info[i].endpointId, pwszID)) { |
| 279 | wcstombs(wf->dev_info[i].info.name, varName.pwszVal, |
| 280 | sizeof(wf->dev_info[i].info.name)); |
| 281 | break; |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | PropVariantClear(&varName); |
| 286 | |
| 287 | cleanup: |
| 288 | if (pProps) |
| 289 | IPropertyStore_Release(pProps); |
| 290 | if (pwszID) |
| 291 | CoTaskMemFree(pwszID); |
| 292 | if (pDevice) |
| 293 | hr = IMMDevice_Release(pDevice); |
| 294 | } |
| 295 | |
| 296 | on_error: |
| 297 | if (pDevices) |
| 298 | hr = IMMDeviceCollection_Release(pDevices); |
| 299 | |
| 300 | if (pEnumerator) |
| 301 | hr = IMMDeviceEnumerator_Release(pEnumerator); |
| 302 | |
| 303 | if (SUCCEEDED(coinit)) |
| 304 | CoUninitialize(); |
| 305 | } |
| 306 | |
| 307 | #else |
| 308 | |
| 309 | static void get_dev_names(pjmedia_aud_dev_factory *f) |
| 310 | { |
| 311 | PJ_UNUSED_ARG(f); |
| 312 | } |
| 313 | |
| 314 | #endif |
| 315 | |
| 316 | /* Internal: build device info from WAVEINCAPS/WAVEOUTCAPS */ |
| 317 | static void build_dev_info(UINT deviceId, struct wmme_dev_info *wdi, |
| 318 | const WAVEINCAPS *wic, const WAVEOUTCAPS *woc) |
| 319 | { |
| 320 | #define WIC_WOC(wic,woc,field) (wic? wic->field : woc->field) |
| 321 | |
| 322 | pj_bzero(wdi, sizeof(*wdi)); |
| 323 | wdi->deviceId = deviceId; |
| 324 | |
| 325 | /* Device Name */ |
| 326 | if (deviceId==WAVE_MAPPER) { |
| 327 | strncpy(wdi->info.name, "Wave mapper", sizeof(wdi->info.name)); |
| 328 | wdi->info.name[sizeof(wdi->info.name)-1] = '\0'; |
| 329 | } else { |
| 330 | const pj_char_t *szPname = WIC_WOC(wic, woc, szPname); |
| 331 | PJ_DECL_ANSI_TEMP_BUF(wTmp, sizeof(wdi->info.name)); |
| 332 | |
| 333 | strncpy(wdi->info.name, |
| 334 | PJ_NATIVE_TO_STRING(szPname, wTmp, PJ_ARRAY_SIZE(wTmp)), |
| 335 | sizeof(wdi->info.name)); |
| 336 | wdi->info.name[sizeof(wdi->info.name)-1] = '\0'; |
| 337 | } |
| 338 | |
| 339 | wdi->info.default_samples_per_sec = 16000; |
| 340 | strcpy(wdi->info.driver, "WMME"); |
| 341 | |
| 342 | if (wic) { |
| 343 | wdi->info.input_count = wic->wChannels; |
| 344 | wdi->info.caps |= PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY; |
| 345 | |
| 346 | /* Sometimes a device can return a rediculously large number of |
| 347 | * channels. This happened with an SBLive card on a Windows ME box. |
| 348 | * It also happens on Win XP! |
| 349 | */ |
| 350 | if (wdi->info.input_count<1 || wdi->info.input_count>256) { |
| 351 | wdi->info.input_count = 2; |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | if (woc) { |
| 356 | wdi->info.output_count = woc->wChannels; |
| 357 | wdi->info.caps |= PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY; |
| 358 | |
| 359 | if (woc->dwSupport & WAVECAPS_VOLUME) { |
| 360 | wdi->info.caps |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| 361 | } |
| 362 | |
| 363 | /* Sometimes a device can return a rediculously large number of |
| 364 | * channels. This happened with an SBLive card on a Windows ME box. |
| 365 | * It also happens on Win XP! |
| 366 | */ |
| 367 | if (wdi->info.output_count<1 || wdi->info.output_count>256) { |
| 368 | wdi->info.output_count = 2; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /* Extended formats */ |
| 373 | wdi->info.caps |= PJMEDIA_AUD_DEV_CAP_EXT_FORMAT; |
| 374 | wdi->info.ext_fmt_cnt = 2; |
| 375 | pjmedia_format_init_audio(&wdi->info.ext_fmt[0], |
| 376 | PJMEDIA_FORMAT_PCMU, 8000, 1, 8, |
| 377 | 20000, 64000, 64000); |
| 378 | pjmedia_format_init_audio(&wdi->info.ext_fmt[0], |
| 379 | PJMEDIA_FORMAT_PCMA, 8000, 1, 8, |
| 380 | 20000, 64000, 64000); |
| 381 | } |
| 382 | |
| 383 | /* API: init factory */ |
| 384 | static pj_status_t factory_init(pjmedia_aud_dev_factory *f) |
| 385 | { |
| 386 | pj_status_t ret = factory_refresh(f); |
| 387 | if (ret != PJ_SUCCESS) |
| 388 | return ret; |
| 389 | |
| 390 | PJ_LOG(4, (THIS_FILE, "WMME initialized")); |
| 391 | return PJ_SUCCESS; |
| 392 | } |
| 393 | |
| 394 | /* API: refresh the device list */ |
| 395 | static pj_status_t factory_refresh(pjmedia_aud_dev_factory *f) |
| 396 | { |
| 397 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 398 | unsigned c; |
| 399 | int i; |
| 400 | int inputDeviceCount, outputDeviceCount, devCount=0; |
| 401 | pj_bool_t waveMapperAdded = PJ_FALSE; |
| 402 | |
| 403 | if (wf->pool != NULL) { |
| 404 | pj_pool_release(wf->pool); |
| 405 | wf->pool = NULL; |
| 406 | } |
| 407 | |
| 408 | /* Enumerate sound devices */ |
| 409 | wf->dev_count = 0; |
| 410 | wf->pool = pj_pool_create(wf->pf, "WMME", 1000, 1000, NULL); |
| 411 | |
| 412 | inputDeviceCount = waveInGetNumDevs(); |
| 413 | devCount += inputDeviceCount; |
| 414 | |
| 415 | outputDeviceCount = waveOutGetNumDevs(); |
| 416 | devCount += outputDeviceCount; |
| 417 | |
| 418 | if (devCount) { |
| 419 | /* Assume there is WAVE_MAPPER */ |
| 420 | devCount += 2; |
| 421 | } |
| 422 | |
| 423 | if (devCount==0) { |
| 424 | PJ_LOG(4,(THIS_FILE, "WMME found no sound devices")); |
| 425 | /* Enabling this will cause pjsua-lib initialization to fail when there |
| 426 | * is no sound device installed in the system, even when pjsua has been |
| 427 | * run with --null-audio. Moreover, it might be better to think that |
| 428 | * the WMME backend initialization is successfull, regardless there is |
| 429 | * no audio device installed, as later application can check it using |
| 430 | * get_dev_count(). |
| 431 | return PJMEDIA_EAUD_NODEV; |
| 432 | */ |
| 433 | return PJ_SUCCESS; |
| 434 | } |
| 435 | |
| 436 | wf->dev_info = (struct wmme_dev_info*) |
| 437 | pj_pool_calloc(wf->pool, devCount, |
| 438 | sizeof(struct wmme_dev_info)); |
| 439 | |
| 440 | if (inputDeviceCount && outputDeviceCount) { |
| 441 | /* Attempt to add WAVE_MAPPER as input and output device */ |
| 442 | WAVEINCAPS wic; |
| 443 | MMRESULT mr; |
| 444 | |
| 445 | pj_bzero(&wic, sizeof(WAVEINCAPS)); |
| 446 | mr = waveInGetDevCaps(WAVE_MAPPER, &wic, sizeof(WAVEINCAPS)); |
| 447 | |
| 448 | if (mr == MMSYSERR_NOERROR) { |
| 449 | WAVEOUTCAPS woc; |
| 450 | |
| 451 | pj_bzero(&woc, sizeof(WAVEOUTCAPS)); |
| 452 | mr = waveOutGetDevCaps(WAVE_MAPPER, &woc, sizeof(WAVEOUTCAPS)); |
| 453 | if (mr == MMSYSERR_NOERROR) { |
| 454 | build_dev_info(WAVE_MAPPER, &wf->dev_info[wf->dev_count], |
| 455 | &wic, &woc); |
| 456 | wf->dev_info[wf->dev_count].endpointId = L""; |
| 457 | ++wf->dev_count; |
| 458 | waveMapperAdded = PJ_TRUE; |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | } |
| 463 | |
| 464 | if (inputDeviceCount > 0) { |
| 465 | /* -1 is the WAVE_MAPPER */ |
| 466 | for (i = (waveMapperAdded? 0 : -1); i < inputDeviceCount; ++i) { |
| 467 | UINT uDeviceID = (UINT)((i==-1) ? WAVE_MAPPER : i); |
| 468 | WAVEINCAPS wic; |
| 469 | MMRESULT mr; |
| 470 | DWORD cbEndpointId; |
| 471 | |
| 472 | pj_bzero(&wic, sizeof(WAVEINCAPS)); |
| 473 | |
| 474 | mr = waveInGetDevCaps(uDeviceID, &wic, sizeof(WAVEINCAPS)); |
| 475 | |
| 476 | if (mr == MMSYSERR_NOMEM) |
| 477 | return PJ_ENOMEM; |
| 478 | |
| 479 | if (mr != MMSYSERR_NOERROR) |
| 480 | continue; |
| 481 | |
| 482 | build_dev_info(uDeviceID, &wf->dev_info[wf->dev_count], |
| 483 | &wic, NULL); |
| 484 | |
| 485 | #if PJMEDIA_WMME_DEV_USE_MMDEVICE_API != 0 |
| 486 | /* Try to get the endpoint id of the audio device */ |
| 487 | wf->dev_info[wf->dev_count].endpointId = L""; |
| 488 | |
| 489 | mr = waveInMessage((HWAVEIN)IntToPtr(uDeviceID), |
| 490 | DRV_QUERYFUNCTIONINSTANCEIDSIZE, |
| 491 | (DWORD_PTR)&cbEndpointId, (DWORD_PTR)NULL); |
| 492 | if (mr == MMSYSERR_NOERROR) { |
| 493 | const wchar_t **epid = &wf->dev_info[wf->dev_count].endpointId; |
| 494 | *epid = (const wchar_t*) pj_pool_calloc(wf->pool, |
| 495 | cbEndpointId, 1); |
| 496 | mr = waveInMessage((HWAVEIN)IntToPtr(uDeviceID), |
| 497 | DRV_QUERYFUNCTIONINSTANCEID, |
| 498 | (DWORD_PTR)*epid, |
| 499 | cbEndpointId); |
| 500 | } |
| 501 | #else |
| 502 | PJ_UNUSED_ARG(cbEndpointId); |
| 503 | #endif |
| 504 | |
| 505 | ++wf->dev_count; |
| 506 | } |
| 507 | } |
| 508 | |
| 509 | if( outputDeviceCount > 0 ) |
| 510 | { |
| 511 | /* -1 is the WAVE_MAPPER */ |
| 512 | for (i = (waveMapperAdded? 0 : -1); i < outputDeviceCount; ++i) { |
| 513 | UINT uDeviceID = (UINT)((i==-1) ? WAVE_MAPPER : i); |
| 514 | WAVEOUTCAPS woc; |
| 515 | MMRESULT mr; |
| 516 | DWORD cbEndpointId; |
| 517 | |
| 518 | pj_bzero(&woc, sizeof(WAVEOUTCAPS)); |
| 519 | |
| 520 | mr = waveOutGetDevCaps(uDeviceID, &woc, sizeof(WAVEOUTCAPS)); |
| 521 | |
| 522 | if (mr == MMSYSERR_NOMEM) |
| 523 | return PJ_ENOMEM; |
| 524 | |
| 525 | if (mr != MMSYSERR_NOERROR) |
| 526 | continue; |
| 527 | |
| 528 | build_dev_info(uDeviceID, &wf->dev_info[wf->dev_count], |
| 529 | NULL, &woc); |
| 530 | |
| 531 | #if PJMEDIA_WMME_DEV_USE_MMDEVICE_API != 0 |
| 532 | /* Try to get the endpoint id of the audio device */ |
| 533 | wf->dev_info[wf->dev_count].endpointId = L""; |
| 534 | |
| 535 | mr = waveOutMessage((HWAVEOUT)IntToPtr(uDeviceID), |
| 536 | DRV_QUERYFUNCTIONINSTANCEIDSIZE, |
| 537 | (DWORD_PTR)&cbEndpointId, (DWORD_PTR)NULL); |
| 538 | if (mr == MMSYSERR_NOERROR) { |
| 539 | const wchar_t **epid = &wf->dev_info[wf->dev_count].endpointId; |
| 540 | *epid = (const wchar_t*)pj_pool_calloc(wf->pool, |
| 541 | cbEndpointId, 1); |
| 542 | mr = waveOutMessage((HWAVEOUT)IntToPtr(uDeviceID), |
| 543 | DRV_QUERYFUNCTIONINSTANCEID, |
| 544 | (DWORD_PTR)*epid, cbEndpointId); |
| 545 | } |
| 546 | #else |
| 547 | PJ_UNUSED_ARG(cbEndpointId); |
| 548 | #endif |
| 549 | |
| 550 | ++wf->dev_count; |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | /* On Windows Vista and Windows 7 get the full device names */ |
| 555 | get_dev_names(f); |
| 556 | |
| 557 | PJ_LOG(4, (THIS_FILE, "WMME found %d devices:", |
| 558 | wf->dev_count)); |
| 559 | for (c = 0; c < wf->dev_count; ++c) { |
| 560 | PJ_LOG(4, (THIS_FILE, " dev_id %d: %s (in=%d, out=%d)", |
| 561 | c, |
| 562 | wf->dev_info[c].info.name, |
| 563 | wf->dev_info[c].info.input_count, |
| 564 | wf->dev_info[c].info.output_count)); |
| 565 | } |
| 566 | |
| 567 | return PJ_SUCCESS; |
| 568 | } |
| 569 | |
| 570 | /* API: destroy factory */ |
| 571 | static pj_status_t factory_destroy(pjmedia_aud_dev_factory *f) |
| 572 | { |
| 573 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 574 | pj_pool_t *pool = wf->base_pool; |
| 575 | |
| 576 | pj_pool_release(wf->pool); |
| 577 | wf->base_pool = NULL; |
| 578 | pj_pool_release(pool); |
| 579 | |
| 580 | return PJ_SUCCESS; |
| 581 | } |
| 582 | |
| 583 | /* API: get number of devices */ |
| 584 | static unsigned factory_get_dev_count(pjmedia_aud_dev_factory *f) |
| 585 | { |
| 586 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 587 | return wf->dev_count; |
| 588 | } |
| 589 | |
| 590 | /* API: get device info */ |
| 591 | static pj_status_t factory_get_dev_info(pjmedia_aud_dev_factory *f, |
| 592 | unsigned index, |
| 593 | pjmedia_aud_dev_info *info) |
| 594 | { |
| 595 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 596 | |
| 597 | PJ_ASSERT_RETURN(index < wf->dev_count, PJMEDIA_EAUD_INVDEV); |
| 598 | |
| 599 | pj_memcpy(info, &wf->dev_info[index].info, sizeof(*info)); |
| 600 | |
| 601 | return PJ_SUCCESS; |
| 602 | } |
| 603 | |
| 604 | /* API: create default device parameter */ |
| 605 | static pj_status_t factory_default_param(pjmedia_aud_dev_factory *f, |
| 606 | unsigned index, |
| 607 | pjmedia_aud_param *param) |
| 608 | { |
| 609 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 610 | struct wmme_dev_info *di = &wf->dev_info[index]; |
| 611 | |
| 612 | PJ_ASSERT_RETURN(index < wf->dev_count, PJMEDIA_EAUD_INVDEV); |
| 613 | |
| 614 | pj_bzero(param, sizeof(*param)); |
| 615 | if (di->info.input_count && di->info.output_count) { |
| 616 | param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| 617 | param->rec_id = index; |
| 618 | param->play_id = index; |
| 619 | } else if (di->info.input_count) { |
| 620 | param->dir = PJMEDIA_DIR_CAPTURE; |
| 621 | param->rec_id = index; |
| 622 | param->play_id = PJMEDIA_AUD_INVALID_DEV; |
| 623 | } else if (di->info.output_count) { |
| 624 | param->dir = PJMEDIA_DIR_PLAYBACK; |
| 625 | param->play_id = index; |
| 626 | param->rec_id = PJMEDIA_AUD_INVALID_DEV; |
| 627 | } else { |
| 628 | return PJMEDIA_EAUD_INVDEV; |
| 629 | } |
| 630 | |
| 631 | param->clock_rate = di->info.default_samples_per_sec; |
| 632 | param->channel_count = 1; |
| 633 | param->samples_per_frame = di->info.default_samples_per_sec * 20 / 1000; |
| 634 | param->bits_per_sample = 16; |
| 635 | param->flags = PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | |
| 636 | PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY; |
| 637 | param->input_latency_ms = PJMEDIA_SND_DEFAULT_REC_LATENCY; |
| 638 | param->output_latency_ms = PJMEDIA_SND_DEFAULT_PLAY_LATENCY; |
| 639 | |
| 640 | return PJ_SUCCESS; |
| 641 | } |
| 642 | |
| 643 | /* Internal: init WAVEFORMATEX */ |
| 644 | static pj_status_t init_waveformatex(LPWAVEFORMATEX wfx, |
| 645 | const pjmedia_aud_param *prm) |
| 646 | { |
| 647 | |
| 648 | pj_bzero(wfx, sizeof(WAVEFORMATEX)); |
| 649 | if (prm->ext_fmt.id == PJMEDIA_FORMAT_L16) { |
| 650 | enum { BYTES_PER_SAMPLE = 2 }; |
| 651 | wfx->wFormatTag = WAVE_FORMAT_PCM; |
| 652 | wfx->nChannels = (pj_uint16_t)prm->channel_count; |
| 653 | wfx->nSamplesPerSec = prm->clock_rate; |
| 654 | wfx->nBlockAlign = (pj_uint16_t)(prm->channel_count * |
| 655 | BYTES_PER_SAMPLE); |
| 656 | wfx->nAvgBytesPerSec = prm->clock_rate * prm->channel_count * |
| 657 | BYTES_PER_SAMPLE; |
| 658 | wfx->wBitsPerSample = 16; |
| 659 | |
| 660 | return PJ_SUCCESS; |
| 661 | |
| 662 | } else if ((prm->flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT) && |
| 663 | (prm->ext_fmt.id == PJMEDIA_FORMAT_PCMA || |
| 664 | prm->ext_fmt.id == PJMEDIA_FORMAT_PCMU)) |
| 665 | { |
| 666 | unsigned ptime; |
| 667 | |
| 668 | ptime = prm->samples_per_frame * 1000 / |
| 669 | (prm->clock_rate * prm->channel_count); |
| 670 | wfx->wFormatTag = (pj_uint16_t) |
| 671 | ((prm->ext_fmt.id==PJMEDIA_FORMAT_PCMA) ? |
| 672 | WAVE_FORMAT_ALAW : WAVE_FORMAT_MULAW); |
| 673 | wfx->nChannels = (pj_uint16_t)prm->channel_count; |
| 674 | wfx->nSamplesPerSec = prm->clock_rate; |
| 675 | wfx->nAvgBytesPerSec = prm->clock_rate * prm->channel_count; |
| 676 | wfx->nBlockAlign = (pj_uint16_t)(wfx->nAvgBytesPerSec * ptime / |
| 677 | 1000); |
| 678 | wfx->wBitsPerSample = 8; |
| 679 | wfx->cbSize = 0; |
| 680 | |
| 681 | return PJ_SUCCESS; |
| 682 | |
| 683 | } else { |
| 684 | |
| 685 | return PJMEDIA_EAUD_BADFORMAT; |
| 686 | |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | /* Get format name */ |
| 691 | static const char *get_fmt_name(pj_uint32_t id) |
| 692 | { |
| 693 | static char name[8]; |
| 694 | |
| 695 | if (id == PJMEDIA_FORMAT_L16) |
| 696 | return "PCM"; |
| 697 | pj_memcpy(name, &id, 4); |
| 698 | name[4] = '\0'; |
| 699 | return name; |
| 700 | } |
| 701 | |
| 702 | /* Internal: create WMME player device. */ |
| 703 | static pj_status_t init_player_stream( struct wmme_factory *wf, |
| 704 | pj_pool_t *pool, |
| 705 | struct wmme_stream *parent, |
| 706 | struct wmme_channel *wmme_strm, |
| 707 | const pjmedia_aud_param *prm, |
| 708 | unsigned buffer_count) |
| 709 | { |
| 710 | MMRESULT mr; |
| 711 | WAVEFORMATEX wfx; |
| 712 | unsigned i, ptime; |
| 713 | DWORD flag; |
| 714 | pj_status_t status; |
| 715 | |
| 716 | PJ_ASSERT_RETURN(prm->play_id < (int)wf->dev_count, PJ_EINVAL); |
| 717 | |
| 718 | /* |
| 719 | * Create a wait event. |
| 720 | */ |
| 721 | wmme_strm->hEvent = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 722 | if (NULL == wmme_strm->hEvent) |
| 723 | return pj_get_os_error(); |
| 724 | |
| 725 | /* |
| 726 | * Set up wave format structure for opening the device. |
| 727 | */ |
| 728 | status = init_waveformatex(&wfx, prm); |
| 729 | if (status != PJ_SUCCESS) |
| 730 | return status; |
| 731 | |
| 732 | ptime = prm->samples_per_frame * 1000 / |
| 733 | (prm->clock_rate * prm->channel_count); |
| 734 | parent->bytes_per_frame = wfx.nAvgBytesPerSec * ptime / 1000; |
| 735 | |
| 736 | flag = CALLBACK_EVENT; |
| 737 | if (prm->ext_fmt.id == PJMEDIA_FORMAT_L16) |
| 738 | flag |= WAVE_FORMAT_DIRECT; |
| 739 | |
| 740 | /* |
| 741 | * Open wave device. |
| 742 | */ |
| 743 | mr = waveOutOpen(&wmme_strm->hWave.Out, |
| 744 | wf->dev_info[prm->play_id].deviceId, |
| 745 | &wfx, (DWORD)(pj_ssize_t)wmme_strm->hEvent, 0, flag); |
| 746 | if (mr != MMSYSERR_NOERROR) { |
| 747 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 748 | } |
| 749 | |
| 750 | /* Pause the wave out device */ |
| 751 | mr = waveOutPause(wmme_strm->hWave.Out); |
| 752 | if (mr != MMSYSERR_NOERROR) { |
| 753 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 754 | } |
| 755 | |
| 756 | /* |
| 757 | * Create the buffers. |
| 758 | */ |
| 759 | wmme_strm->WaveHdr = (WAVEHDR*) |
| 760 | pj_pool_zalloc(pool, sizeof(WAVEHDR) * buffer_count); |
| 761 | for (i = 0; i < buffer_count; ++i) { |
| 762 | wmme_strm->WaveHdr[i].lpData = pj_pool_zalloc(pool, |
| 763 | parent->bytes_per_frame); |
| 764 | wmme_strm->WaveHdr[i].dwBufferLength = parent->bytes_per_frame; |
| 765 | mr = waveOutPrepareHeader(wmme_strm->hWave.Out, |
| 766 | &(wmme_strm->WaveHdr[i]), |
| 767 | sizeof(WAVEHDR)); |
| 768 | if (mr != MMSYSERR_NOERROR) { |
| 769 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 770 | } |
| 771 | mr = waveOutWrite(wmme_strm->hWave.Out, &(wmme_strm->WaveHdr[i]), |
| 772 | sizeof(WAVEHDR)); |
| 773 | if (mr != MMSYSERR_NOERROR) { |
| 774 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | wmme_strm->dwBufIdx = 0; |
| 779 | wmme_strm->dwMaxBufIdx = buffer_count; |
| 780 | wmme_strm->timestamp.u64 = 0; |
| 781 | |
| 782 | /* Done setting up play device. */ |
| 783 | PJ_LOG(4, (THIS_FILE, |
| 784 | " WaveAPI Sound player \"%s\" initialized (" |
| 785 | "format=%s, clock_rate=%d, " |
| 786 | "channel_count=%d, samples_per_frame=%d (%dms))", |
| 787 | wf->dev_info[prm->play_id].info.name, |
| 788 | get_fmt_name(prm->ext_fmt.id), |
| 789 | prm->clock_rate, prm->channel_count, prm->samples_per_frame, |
| 790 | prm->samples_per_frame * 1000 / prm->clock_rate)); |
| 791 | |
| 792 | return PJ_SUCCESS; |
| 793 | } |
| 794 | |
| 795 | |
| 796 | /* Internal: create Windows Multimedia recorder device */ |
| 797 | static pj_status_t init_capture_stream( struct wmme_factory *wf, |
| 798 | pj_pool_t *pool, |
| 799 | struct wmme_stream *parent, |
| 800 | struct wmme_channel *wmme_strm, |
| 801 | const pjmedia_aud_param *prm, |
| 802 | unsigned buffer_count) |
| 803 | { |
| 804 | MMRESULT mr; |
| 805 | WAVEFORMATEX wfx; |
| 806 | DWORD flag; |
| 807 | unsigned i, ptime; |
| 808 | |
| 809 | PJ_ASSERT_RETURN(prm->rec_id < (int)wf->dev_count, PJ_EINVAL); |
| 810 | |
| 811 | /* |
| 812 | * Create a wait event. |
| 813 | */ |
| 814 | wmme_strm->hEvent = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 815 | if (NULL == wmme_strm->hEvent) { |
| 816 | return pj_get_os_error(); |
| 817 | } |
| 818 | |
| 819 | /* |
| 820 | * Set up wave format structure for opening the device. |
| 821 | */ |
| 822 | init_waveformatex(&wfx, prm); |
| 823 | ptime = prm->samples_per_frame * 1000 / |
| 824 | (prm->clock_rate * prm->channel_count); |
| 825 | parent->bytes_per_frame = wfx.nAvgBytesPerSec * ptime / 1000; |
| 826 | |
| 827 | flag = CALLBACK_EVENT; |
| 828 | if (prm->ext_fmt.id == PJMEDIA_FORMAT_L16) |
| 829 | flag |= WAVE_FORMAT_DIRECT; |
| 830 | |
| 831 | /* |
| 832 | * Open wave device. |
| 833 | */ |
| 834 | mr = waveInOpen(&wmme_strm->hWave.In, |
| 835 | wf->dev_info[prm->rec_id].deviceId, |
| 836 | &wfx, (DWORD)(pj_ssize_t)wmme_strm->hEvent, 0, flag); |
| 837 | if (mr != MMSYSERR_NOERROR) { |
| 838 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 839 | } |
| 840 | |
| 841 | /* |
| 842 | * Create the buffers. |
| 843 | */ |
| 844 | wmme_strm->WaveHdr = (WAVEHDR*) |
| 845 | pj_pool_zalloc(pool, sizeof(WAVEHDR) * buffer_count); |
| 846 | for (i = 0; i < buffer_count; ++i) { |
| 847 | wmme_strm->WaveHdr[i].lpData = pj_pool_zalloc(pool, |
| 848 | parent->bytes_per_frame); |
| 849 | wmme_strm->WaveHdr[i].dwBufferLength = parent->bytes_per_frame; |
| 850 | mr = waveInPrepareHeader(wmme_strm->hWave.In, |
| 851 | &(wmme_strm->WaveHdr[i]), |
| 852 | sizeof(WAVEHDR)); |
| 853 | if (mr != MMSYSERR_NOERROR) { |
| 854 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 855 | } |
| 856 | mr = waveInAddBuffer(wmme_strm->hWave.In, &(wmme_strm->WaveHdr[i]), |
| 857 | sizeof(WAVEHDR)); |
| 858 | if (mr != MMSYSERR_NOERROR) { |
| 859 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 860 | } |
| 861 | } |
| 862 | |
| 863 | wmme_strm->dwBufIdx = 0; |
| 864 | wmme_strm->dwMaxBufIdx = buffer_count; |
| 865 | wmme_strm->timestamp.u64 = 0; |
| 866 | |
| 867 | /* Done setting up play device. */ |
| 868 | PJ_LOG(4,(THIS_FILE, |
| 869 | " WaveAPI Sound recorder \"%s\" initialized " |
| 870 | "(format=%s, clock_rate=%d, " |
| 871 | "channel_count=%d, samples_per_frame=%d (%dms))", |
| 872 | wf->dev_info[prm->rec_id].info.name, |
| 873 | get_fmt_name(prm->ext_fmt.id), |
| 874 | prm->clock_rate, prm->channel_count, prm->samples_per_frame, |
| 875 | prm->samples_per_frame * 1000 / prm->clock_rate)); |
| 876 | |
| 877 | return PJ_SUCCESS; |
| 878 | } |
| 879 | |
| 880 | |
| 881 | /* WMME capture and playback thread. */ |
| 882 | static int PJ_THREAD_FUNC wmme_dev_thread(void *arg) |
| 883 | { |
| 884 | struct wmme_stream *strm = (struct wmme_stream*)arg; |
| 885 | HANDLE events[3]; |
| 886 | unsigned eventCount; |
| 887 | pj_status_t status = PJ_SUCCESS; |
| 888 | static unsigned rec_cnt, play_cnt; |
| 889 | enum { MAX_BURST = 1000 }; |
| 890 | |
| 891 | rec_cnt = play_cnt = 0; |
| 892 | |
| 893 | eventCount = 0; |
| 894 | events[eventCount++] = strm->thread_quit_event; |
| 895 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) |
| 896 | events[eventCount++] = strm->play_strm.hEvent; |
| 897 | if (strm->param.dir & PJMEDIA_DIR_CAPTURE) |
| 898 | events[eventCount++] = strm->rec_strm.hEvent; |
| 899 | |
| 900 | |
| 901 | /* Raise self priority. We don't want the audio to be distorted by |
| 902 | * system activity. |
| 903 | */ |
| 904 | #if defined(PJ_WIN32_WINCE) && PJ_WIN32_WINCE != 0 |
| 905 | if (strm->param.dir & PJMEDIA_DIR_PLAYBACK) |
| 906 | CeSetThreadPriority(GetCurrentThread(), 153); |
| 907 | else |
| 908 | CeSetThreadPriority(GetCurrentThread(), 247); |
| 909 | #else |
| 910 | SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL); |
| 911 | #endif |
| 912 | |
| 913 | /* |
| 914 | * Loop while not signalled to quit, wait for event objects to be |
| 915 | * signalled by WMME capture and play buffer. |
| 916 | */ |
| 917 | while (status == PJ_SUCCESS) |
| 918 | { |
| 919 | |
| 920 | DWORD rc; |
| 921 | pjmedia_dir signalled_dir; |
| 922 | |
| 923 | /* Swap hWaveIn and hWaveOut to get equal opportunity for both */ |
| 924 | if (eventCount==3) { |
| 925 | HANDLE hTemp = events[2]; |
| 926 | events[2] = events[1]; |
| 927 | events[1] = hTemp; |
| 928 | } |
| 929 | |
| 930 | rc = WaitForMultipleObjects(eventCount, events, FALSE, INFINITE); |
| 931 | if (rc < WAIT_OBJECT_0 || rc >= WAIT_OBJECT_0 + eventCount) |
| 932 | continue; |
| 933 | |
| 934 | if (rc == WAIT_OBJECT_0) |
| 935 | break; |
| 936 | |
| 937 | if (rc == (WAIT_OBJECT_0 + 1)) |
| 938 | { |
| 939 | if (events[1] == strm->play_strm.hEvent) |
| 940 | signalled_dir = PJMEDIA_DIR_PLAYBACK; |
| 941 | else |
| 942 | signalled_dir = PJMEDIA_DIR_CAPTURE; |
| 943 | } |
| 944 | else |
| 945 | { |
| 946 | if (events[2] == strm->play_strm.hEvent) |
| 947 | signalled_dir = PJMEDIA_DIR_PLAYBACK; |
| 948 | else |
| 949 | signalled_dir = PJMEDIA_DIR_CAPTURE; |
| 950 | } |
| 951 | |
| 952 | |
| 953 | if (signalled_dir == PJMEDIA_DIR_PLAYBACK) |
| 954 | { |
| 955 | struct wmme_channel *wmme_strm = &strm->play_strm; |
| 956 | unsigned burst; |
| 957 | |
| 958 | status = PJ_SUCCESS; |
| 959 | |
| 960 | /* |
| 961 | * Windows Multimedia has requested us to feed some frames to |
| 962 | * playback buffer. |
| 963 | */ |
| 964 | |
| 965 | for (burst=0; burst<MAX_BURST && |
| 966 | (wmme_strm->WaveHdr[wmme_strm->dwBufIdx].dwFlags & WHDR_DONE); |
| 967 | ++burst) |
| 968 | { |
| 969 | void *buffer = wmme_strm->WaveHdr[wmme_strm->dwBufIdx].lpData; |
| 970 | pjmedia_frame pcm_frame, *frame; |
| 971 | MMRESULT mr = MMSYSERR_NOERROR; |
| 972 | |
| 973 | //PJ_LOG(5,(THIS_FILE, "Finished writing buffer %d", |
| 974 | // wmme_strm->dwBufIdx)); |
| 975 | |
| 976 | if (strm->fmt_id == PJMEDIA_FORMAT_L16) { |
| 977 | /* PCM mode */ |
| 978 | frame = &pcm_frame; |
| 979 | |
| 980 | frame->type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 981 | frame->size = strm->bytes_per_frame; |
| 982 | frame->buf = buffer; |
| 983 | frame->timestamp.u64 = wmme_strm->timestamp.u64; |
| 984 | frame->bit_info = 0; |
| 985 | } else { |
| 986 | /* Codec mode */ |
| 987 | frame = &strm->xfrm->base; |
| 988 | |
| 989 | strm->xfrm->base.type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 990 | strm->xfrm->base.size = strm->bytes_per_frame; |
| 991 | strm->xfrm->base.buf = NULL; |
| 992 | strm->xfrm->base.timestamp.u64 = wmme_strm->timestamp.u64; |
| 993 | strm->xfrm->base.bit_info = 0; |
| 994 | } |
| 995 | |
| 996 | /* Get frame from application. */ |
| 997 | //PJ_LOG(5,(THIS_FILE, "xxx %u play_cb", play_cnt++)); |
| 998 | status = (*strm->play_cb)(strm->user_data, frame); |
| 999 | |
| 1000 | if (status != PJ_SUCCESS) |
| 1001 | break; |
| 1002 | |
| 1003 | if (strm->fmt_id == PJMEDIA_FORMAT_L16) { |
| 1004 | /* PCM mode */ |
| 1005 | if (frame->type == PJMEDIA_FRAME_TYPE_NONE) { |
| 1006 | pj_bzero(buffer, strm->bytes_per_frame); |
| 1007 | } else if (frame->type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1008 | pj_assert(!"Frame type not supported"); |
| 1009 | } else if (frame->type == PJMEDIA_FRAME_TYPE_AUDIO) { |
| 1010 | /* Nothing to do */ |
| 1011 | } else { |
| 1012 | pj_assert(!"Frame type not supported"); |
| 1013 | } |
| 1014 | } else { |
| 1015 | /* Codec mode */ |
| 1016 | if (frame->type == PJMEDIA_FRAME_TYPE_NONE) { |
| 1017 | pj_memset(buffer, strm->silence_char, |
| 1018 | strm->bytes_per_frame); |
| 1019 | } else if (frame->type == PJMEDIA_FRAME_TYPE_EXTENDED) { |
| 1020 | unsigned sz; |
| 1021 | sz = pjmedia_frame_ext_copy_payload(strm->xfrm, |
| 1022 | buffer, |
| 1023 | strm->bytes_per_frame); |
| 1024 | if (sz < strm->bytes_per_frame) { |
| 1025 | pj_memset((char*)buffer+sz, |
| 1026 | strm->silence_char, |
| 1027 | strm->bytes_per_frame - sz); |
| 1028 | } |
| 1029 | } else { |
| 1030 | pj_assert(!"Frame type not supported"); |
| 1031 | } |
| 1032 | } |
| 1033 | |
| 1034 | /* Write to the device. */ |
| 1035 | mr = waveOutWrite(wmme_strm->hWave.Out, |
| 1036 | &(wmme_strm->WaveHdr[wmme_strm->dwBufIdx]), |
| 1037 | sizeof(WAVEHDR)); |
| 1038 | if (mr != MMSYSERR_NOERROR) { |
| 1039 | status = PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 1040 | break; |
| 1041 | } |
| 1042 | |
| 1043 | /* Increment position. */ |
| 1044 | if (++wmme_strm->dwBufIdx >= wmme_strm->dwMaxBufIdx) |
| 1045 | wmme_strm->dwBufIdx = 0; |
| 1046 | wmme_strm->timestamp.u64 += strm->param.samples_per_frame / |
| 1047 | strm->param.channel_count; |
| 1048 | } /* for */ |
| 1049 | } |
| 1050 | else |
| 1051 | { |
| 1052 | struct wmme_channel *wmme_strm = &strm->rec_strm; |
| 1053 | unsigned burst; |
| 1054 | MMRESULT mr = MMSYSERR_NOERROR; |
| 1055 | status = PJ_SUCCESS; |
| 1056 | |
| 1057 | /* |
| 1058 | * Windows Multimedia has indicated that it has some frames ready |
| 1059 | * in the capture buffer. Get as much frames as possible to |
| 1060 | * prevent overflows. |
| 1061 | */ |
| 1062 | #if 0 |
| 1063 | { |
| 1064 | static DWORD tc = 0; |
| 1065 | DWORD now = GetTickCount(); |
| 1066 | DWORD i = 0; |
| 1067 | DWORD bits = 0; |
| 1068 | |
| 1069 | if (tc == 0) tc = now; |
| 1070 | |
| 1071 | for (i = 0; i < wmme_strm->dwMaxBufIdx; ++i) |
| 1072 | { |
| 1073 | bits = bits << 4; |
| 1074 | bits |= wmme_strm->WaveHdr[i].dwFlags & WHDR_DONE; |
| 1075 | } |
| 1076 | PJ_LOG(5,(THIS_FILE, "Record Signal> Index: %d, Delta: %4.4d, " |
| 1077 | "Flags: %6.6x\n", |
| 1078 | wmme_strm->dwBufIdx, |
| 1079 | now - tc, |
| 1080 | bits)); |
| 1081 | tc = now; |
| 1082 | } |
| 1083 | #endif |
| 1084 | |
| 1085 | for (burst=0; burst<MAX_BURST && |
| 1086 | (wmme_strm->WaveHdr[wmme_strm->dwBufIdx].dwFlags & WHDR_DONE); |
| 1087 | ++burst) |
| 1088 | { |
| 1089 | char* buffer = (char*) |
| 1090 | wmme_strm->WaveHdr[wmme_strm->dwBufIdx].lpData; |
| 1091 | unsigned cap_len = |
| 1092 | wmme_strm->WaveHdr[wmme_strm->dwBufIdx].dwBytesRecorded; |
| 1093 | pjmedia_frame pcm_frame, *frame; |
| 1094 | |
| 1095 | /* |
| 1096 | PJ_LOG(5,(THIS_FILE, "Read %d bytes from buffer %d", cap_len, |
| 1097 | wmme_strm->dwBufIdx)); |
| 1098 | */ |
| 1099 | |
| 1100 | if (strm->fmt_id == PJMEDIA_FORMAT_L16) { |
| 1101 | /* PCM mode */ |
| 1102 | if (cap_len < strm->bytes_per_frame) |
| 1103 | pj_bzero(buffer + cap_len, |
| 1104 | strm->bytes_per_frame - cap_len); |
| 1105 | |
| 1106 | /* Copy the audio data out of the wave buffer. */ |
| 1107 | pj_memcpy(strm->buffer, buffer, strm->bytes_per_frame); |
| 1108 | |
| 1109 | /* Prepare frame */ |
| 1110 | frame = &pcm_frame; |
| 1111 | frame->type = PJMEDIA_FRAME_TYPE_AUDIO; |
| 1112 | frame->buf = strm->buffer; |
| 1113 | frame->size = strm->bytes_per_frame; |
| 1114 | frame->timestamp.u64 = wmme_strm->timestamp.u64; |
| 1115 | frame->bit_info = 0; |
| 1116 | |
| 1117 | } else { |
| 1118 | /* Codec mode */ |
| 1119 | frame = &strm->xfrm->base; |
| 1120 | |
| 1121 | frame->type = PJMEDIA_FRAME_TYPE_EXTENDED; |
| 1122 | frame->buf = NULL; |
| 1123 | frame->size = strm->bytes_per_frame; |
| 1124 | frame->timestamp.u64 = wmme_strm->timestamp.u64; |
| 1125 | frame->bit_info = 0; |
| 1126 | |
| 1127 | strm->xfrm->samples_cnt = 0; |
| 1128 | strm->xfrm->subframe_cnt = 0; |
| 1129 | pjmedia_frame_ext_append_subframe( |
| 1130 | strm->xfrm, buffer, |
| 1131 | strm->bytes_per_frame *8, |
| 1132 | strm->param.samples_per_frame |
| 1133 | ); |
| 1134 | } |
| 1135 | |
| 1136 | /* Re-add the buffer to the device. */ |
| 1137 | mr = waveInAddBuffer(wmme_strm->hWave.In, |
| 1138 | &(wmme_strm->WaveHdr[wmme_strm->dwBufIdx]), |
| 1139 | sizeof(WAVEHDR)); |
| 1140 | if (mr != MMSYSERR_NOERROR) { |
| 1141 | status = PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 1142 | break; |
| 1143 | } |
| 1144 | |
| 1145 | |
| 1146 | /* Call callback */ |
| 1147 | //PJ_LOG(5,(THIS_FILE, "xxx %u rec_cb", rec_cnt++)); |
| 1148 | status = (*strm->rec_cb)(strm->user_data, frame); |
| 1149 | if (status != PJ_SUCCESS) |
| 1150 | break; |
| 1151 | |
| 1152 | /* Increment position. */ |
| 1153 | if (++wmme_strm->dwBufIdx >= wmme_strm->dwMaxBufIdx) |
| 1154 | wmme_strm->dwBufIdx = 0; |
| 1155 | wmme_strm->timestamp.u64 += strm->param.samples_per_frame / |
| 1156 | strm->param.channel_count; |
| 1157 | } /* for */ |
| 1158 | } |
| 1159 | } |
| 1160 | |
| 1161 | PJ_LOG(5,(THIS_FILE, "WMME: thread stopping..")); |
| 1162 | return 0; |
| 1163 | } |
| 1164 | |
| 1165 | |
| 1166 | /* API: create stream */ |
| 1167 | static pj_status_t factory_create_stream(pjmedia_aud_dev_factory *f, |
| 1168 | const pjmedia_aud_param *param, |
| 1169 | pjmedia_aud_rec_cb rec_cb, |
| 1170 | pjmedia_aud_play_cb play_cb, |
| 1171 | void *user_data, |
| 1172 | pjmedia_aud_stream **p_aud_strm) |
| 1173 | { |
| 1174 | struct wmme_factory *wf = (struct wmme_factory*)f; |
| 1175 | pj_pool_t *pool; |
| 1176 | struct wmme_stream *strm; |
| 1177 | pj_uint8_t silence_char; |
| 1178 | pj_status_t status; |
| 1179 | |
| 1180 | switch (param->ext_fmt.id) { |
| 1181 | case PJMEDIA_FORMAT_L16: |
| 1182 | silence_char = '\0'; |
| 1183 | break; |
| 1184 | case PJMEDIA_FORMAT_ALAW: |
| 1185 | silence_char = (pj_uint8_t)'\xd5'; |
| 1186 | break; |
| 1187 | case PJMEDIA_FORMAT_ULAW: |
| 1188 | silence_char = (pj_uint8_t)'\xff'; |
| 1189 | break; |
| 1190 | default: |
| 1191 | return PJMEDIA_EAUD_BADFORMAT; |
| 1192 | } |
| 1193 | |
| 1194 | /* Create and Initialize stream descriptor */ |
| 1195 | pool = pj_pool_create(wf->pf, "wmme-dev", 1000, 1000, NULL); |
| 1196 | PJ_ASSERT_RETURN(pool != NULL, PJ_ENOMEM); |
| 1197 | |
| 1198 | strm = PJ_POOL_ZALLOC_T(pool, struct wmme_stream); |
| 1199 | pj_memcpy(&strm->param, param, sizeof(*param)); |
| 1200 | strm->pool = pool; |
| 1201 | strm->rec_cb = rec_cb; |
| 1202 | strm->play_cb = play_cb; |
| 1203 | strm->user_data = user_data; |
| 1204 | strm->fmt_id = param->ext_fmt.id; |
| 1205 | strm->silence_char = silence_char; |
| 1206 | |
| 1207 | /* Create player stream */ |
| 1208 | if (param->dir & PJMEDIA_DIR_PLAYBACK) { |
| 1209 | unsigned buf_count; |
| 1210 | |
| 1211 | if ((param->flags & PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY)==0) { |
| 1212 | strm->param.flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY; |
| 1213 | strm->param.output_latency_ms = PJMEDIA_SND_DEFAULT_PLAY_LATENCY; |
| 1214 | } |
| 1215 | |
| 1216 | buf_count = strm->param.output_latency_ms * param->clock_rate * |
| 1217 | param->channel_count / param->samples_per_frame / 1000; |
| 1218 | |
| 1219 | status = init_player_stream(wf, strm->pool, |
| 1220 | strm, |
| 1221 | &strm->play_strm, |
| 1222 | param, |
| 1223 | buf_count); |
| 1224 | |
| 1225 | if (status != PJ_SUCCESS) { |
| 1226 | stream_destroy(&strm->base); |
| 1227 | return status; |
| 1228 | } |
| 1229 | } |
| 1230 | |
| 1231 | /* Create capture stream */ |
| 1232 | if (param->dir & PJMEDIA_DIR_CAPTURE) { |
| 1233 | unsigned buf_count; |
| 1234 | |
| 1235 | if ((param->flags & PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY)==0) { |
| 1236 | strm->param.flags |= PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY; |
| 1237 | strm->param.input_latency_ms = PJMEDIA_SND_DEFAULT_REC_LATENCY; |
| 1238 | } |
| 1239 | |
| 1240 | buf_count = strm->param.input_latency_ms * param->clock_rate * |
| 1241 | param->channel_count / param->samples_per_frame / 1000; |
| 1242 | |
| 1243 | status = init_capture_stream(wf, strm->pool, |
| 1244 | strm, |
| 1245 | &strm->rec_strm, |
| 1246 | param, |
| 1247 | buf_count); |
| 1248 | |
| 1249 | if (status != PJ_SUCCESS) { |
| 1250 | stream_destroy(&strm->base); |
| 1251 | return status; |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | strm->buffer = pj_pool_alloc(pool, strm->bytes_per_frame); |
| 1256 | if (!strm->buffer) { |
| 1257 | pj_pool_release(pool); |
| 1258 | return PJ_ENOMEM; |
| 1259 | } |
| 1260 | |
| 1261 | /* If format is extended, must create buffer for the extended frame. */ |
| 1262 | if (strm->fmt_id != PJMEDIA_FORMAT_L16) { |
| 1263 | strm->xfrm_size = sizeof(pjmedia_frame_ext) + |
| 1264 | 32 * sizeof(pjmedia_frame_ext_subframe) + |
| 1265 | strm->bytes_per_frame + 4; |
| 1266 | strm->xfrm = (pjmedia_frame_ext*) |
| 1267 | pj_pool_alloc(pool, strm->xfrm_size); |
| 1268 | } |
| 1269 | |
| 1270 | /* Create the stop event */ |
| 1271 | strm->thread_quit_event = CreateEvent(NULL, FALSE, FALSE, NULL); |
| 1272 | if (strm->thread_quit_event == NULL) { |
| 1273 | status = pj_get_os_error(); |
| 1274 | stream_destroy(&strm->base); |
| 1275 | return status; |
| 1276 | } |
| 1277 | |
| 1278 | /* Create and start the thread */ |
| 1279 | status = pj_thread_create(pool, "wmme", &wmme_dev_thread, strm, 0, 0, |
| 1280 | &strm->thread); |
| 1281 | if (status != PJ_SUCCESS) { |
| 1282 | stream_destroy(&strm->base); |
| 1283 | return status; |
| 1284 | } |
| 1285 | |
| 1286 | /* Apply the remaining settings */ |
| 1287 | if (param->flags & PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING) { |
| 1288 | stream_set_cap(&strm->base, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 1289 | ¶m->output_vol); |
| 1290 | } |
| 1291 | |
| 1292 | |
| 1293 | /* Done */ |
| 1294 | strm->base.op = &stream_op; |
| 1295 | *p_aud_strm = &strm->base; |
| 1296 | |
| 1297 | return PJ_SUCCESS; |
| 1298 | } |
| 1299 | |
| 1300 | /* API: Get stream info. */ |
| 1301 | static pj_status_t stream_get_param(pjmedia_aud_stream *s, |
| 1302 | pjmedia_aud_param *pi) |
| 1303 | { |
| 1304 | struct wmme_stream *strm = (struct wmme_stream*)s; |
| 1305 | |
| 1306 | PJ_ASSERT_RETURN(strm && pi, PJ_EINVAL); |
| 1307 | |
| 1308 | pj_memcpy(pi, &strm->param, sizeof(*pi)); |
| 1309 | |
| 1310 | /* Update the volume setting */ |
| 1311 | if (stream_get_cap(s, PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, |
| 1312 | &pi->output_vol) == PJ_SUCCESS) |
| 1313 | { |
| 1314 | pi->flags |= PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING; |
| 1315 | } |
| 1316 | |
| 1317 | return PJ_SUCCESS; |
| 1318 | } |
| 1319 | |
| 1320 | /* API: get capability */ |
| 1321 | static pj_status_t stream_get_cap(pjmedia_aud_stream *s, |
| 1322 | pjmedia_aud_dev_cap cap, |
| 1323 | void *pval) |
| 1324 | { |
| 1325 | struct wmme_stream *strm = (struct wmme_stream*)s; |
| 1326 | |
| 1327 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1328 | |
| 1329 | if (cap==PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY && |
| 1330 | (strm->param.dir & PJMEDIA_DIR_CAPTURE)) |
| 1331 | { |
| 1332 | /* Recording latency */ |
| 1333 | *(unsigned*)pval = strm->param.input_latency_ms; |
| 1334 | return PJ_SUCCESS; |
| 1335 | } else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY && |
| 1336 | (strm->param.dir & PJMEDIA_DIR_PLAYBACK)) |
| 1337 | { |
| 1338 | /* Playback latency */ |
| 1339 | *(unsigned*)pval = strm->param.output_latency_ms; |
| 1340 | return PJ_SUCCESS; |
| 1341 | } else if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING && |
| 1342 | strm->play_strm.hWave.Out) |
| 1343 | { |
| 1344 | /* Output volume setting */ |
| 1345 | DWORD waveVol; |
| 1346 | MMRESULT mr; |
| 1347 | |
| 1348 | mr = waveOutGetVolume(strm->play_strm.hWave.Out, &waveVol); |
| 1349 | if (mr != MMSYSERR_NOERROR) { |
| 1350 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 1351 | } |
| 1352 | |
| 1353 | waveVol &= 0xFFFF; |
| 1354 | *(unsigned*)pval = (waveVol * 100) / 0xFFFF; |
| 1355 | return PJ_SUCCESS; |
| 1356 | } else { |
| 1357 | return PJMEDIA_EAUD_INVCAP; |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | /* API: set capability */ |
| 1362 | static pj_status_t stream_set_cap(pjmedia_aud_stream *s, |
| 1363 | pjmedia_aud_dev_cap cap, |
| 1364 | const void *pval) |
| 1365 | { |
| 1366 | struct wmme_stream *strm = (struct wmme_stream*)s; |
| 1367 | |
| 1368 | PJ_ASSERT_RETURN(s && pval, PJ_EINVAL); |
| 1369 | |
| 1370 | if (cap==PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING && |
| 1371 | strm->play_strm.hWave.Out) |
| 1372 | { |
| 1373 | /* Output volume setting */ |
| 1374 | unsigned vol = *(unsigned*)pval; |
| 1375 | DWORD waveVol; |
| 1376 | MMRESULT mr; |
| 1377 | pj_status_t status; |
| 1378 | |
| 1379 | if (vol > 100) |
| 1380 | vol = 100; |
| 1381 | |
| 1382 | waveVol = (vol * 0xFFFF) / 100; |
| 1383 | waveVol |= (waveVol << 16); |
| 1384 | |
| 1385 | mr = waveOutSetVolume(strm->play_strm.hWave.Out, waveVol); |
| 1386 | status = (mr==MMSYSERR_NOERROR)? PJ_SUCCESS : |
| 1387 | PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 1388 | if (status == PJ_SUCCESS) { |
| 1389 | strm->param.output_vol = *(unsigned*)pval; |
| 1390 | } |
| 1391 | return status; |
| 1392 | } |
| 1393 | |
| 1394 | return PJMEDIA_EAUD_INVCAP; |
| 1395 | } |
| 1396 | |
| 1397 | /* API: Start stream. */ |
| 1398 | static pj_status_t stream_start(pjmedia_aud_stream *strm) |
| 1399 | { |
| 1400 | struct wmme_stream *stream = (struct wmme_stream*)strm; |
| 1401 | MMRESULT mr; |
| 1402 | |
| 1403 | if (stream->play_strm.hWave.Out != NULL) |
| 1404 | { |
| 1405 | mr = waveOutRestart(stream->play_strm.hWave.Out); |
| 1406 | if (mr != MMSYSERR_NOERROR) { |
| 1407 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 1408 | } |
| 1409 | PJ_LOG(4,(THIS_FILE, "WMME playback stream started")); |
| 1410 | } |
| 1411 | |
| 1412 | if (stream->rec_strm.hWave.In != NULL) |
| 1413 | { |
| 1414 | mr = waveInStart(stream->rec_strm.hWave.In); |
| 1415 | if (mr != MMSYSERR_NOERROR) { |
| 1416 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 1417 | } |
| 1418 | PJ_LOG(4,(THIS_FILE, "WMME capture stream started")); |
| 1419 | } |
| 1420 | |
| 1421 | return PJ_SUCCESS; |
| 1422 | } |
| 1423 | |
| 1424 | /* API: Stop stream. */ |
| 1425 | static pj_status_t stream_stop(pjmedia_aud_stream *strm) |
| 1426 | { |
| 1427 | struct wmme_stream *stream = (struct wmme_stream*)strm; |
| 1428 | MMRESULT mr; |
| 1429 | |
| 1430 | PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| 1431 | |
| 1432 | if (stream->play_strm.hWave.Out != NULL) |
| 1433 | { |
| 1434 | mr = waveOutPause(stream->play_strm.hWave.Out); |
| 1435 | if (mr != MMSYSERR_NOERROR) { |
| 1436 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_OUT(mr); |
| 1437 | } |
| 1438 | PJ_LOG(4,(THIS_FILE, "Stopped WMME playback stream")); |
| 1439 | } |
| 1440 | |
| 1441 | if (stream->rec_strm.hWave.In != NULL) |
| 1442 | { |
| 1443 | mr = waveInStop(stream->rec_strm.hWave.In); |
| 1444 | if (mr != MMSYSERR_NOERROR) { |
| 1445 | return PJMEDIA_AUDIODEV_ERRNO_FROM_WMME_IN(mr); |
| 1446 | } |
| 1447 | PJ_LOG(4,(THIS_FILE, "Stopped WMME capture stream")); |
| 1448 | } |
| 1449 | |
| 1450 | return PJ_SUCCESS; |
| 1451 | } |
| 1452 | |
| 1453 | |
| 1454 | /* API: Destroy stream. */ |
| 1455 | static pj_status_t stream_destroy(pjmedia_aud_stream *strm) |
| 1456 | { |
| 1457 | struct wmme_stream *stream = (struct wmme_stream*)strm; |
| 1458 | unsigned i; |
| 1459 | |
| 1460 | PJ_ASSERT_RETURN(stream != NULL, PJ_EINVAL); |
| 1461 | |
| 1462 | stream_stop(strm); |
| 1463 | |
| 1464 | /* Stop the stream thread */ |
| 1465 | if (stream->thread) |
| 1466 | { |
| 1467 | SetEvent(stream->thread_quit_event); |
| 1468 | pj_thread_join(stream->thread); |
| 1469 | pj_thread_destroy(stream->thread); |
| 1470 | stream->thread = NULL; |
| 1471 | } |
| 1472 | |
| 1473 | /* Close the thread quit event */ |
| 1474 | if (stream->thread_quit_event) |
| 1475 | { |
| 1476 | CloseHandle(stream->thread_quit_event); |
| 1477 | stream->thread_quit_event = NULL; |
| 1478 | } |
| 1479 | |
| 1480 | /* Unprepare the headers and close the play device */ |
| 1481 | if (stream->play_strm.hWave.Out) |
| 1482 | { |
| 1483 | waveOutReset(stream->play_strm.hWave.Out); |
| 1484 | for (i = 0; i < stream->play_strm.dwMaxBufIdx; ++i) |
| 1485 | waveOutUnprepareHeader(stream->play_strm.hWave.Out, |
| 1486 | &(stream->play_strm.WaveHdr[i]), |
| 1487 | sizeof(WAVEHDR)); |
| 1488 | waveOutClose(stream->play_strm.hWave.Out); |
| 1489 | stream->play_strm.hWave.Out = NULL; |
| 1490 | } |
| 1491 | |
| 1492 | /* Close the play event */ |
| 1493 | if (stream->play_strm.hEvent) |
| 1494 | { |
| 1495 | CloseHandle(stream->play_strm.hEvent); |
| 1496 | stream->play_strm.hEvent = NULL; |
| 1497 | } |
| 1498 | |
| 1499 | /* Unprepare the headers and close the record device */ |
| 1500 | if (stream->rec_strm.hWave.In) |
| 1501 | { |
| 1502 | waveInReset(stream->rec_strm.hWave.In); |
| 1503 | for (i = 0; i < stream->play_strm.dwMaxBufIdx; ++i) |
| 1504 | waveInUnprepareHeader(stream->rec_strm.hWave.In, |
| 1505 | &(stream->rec_strm.WaveHdr[i]), |
| 1506 | sizeof(WAVEHDR)); |
| 1507 | waveInClose(stream->rec_strm.hWave.In); |
| 1508 | stream->rec_strm.hWave.In = NULL; |
| 1509 | } |
| 1510 | |
| 1511 | /* Close the record event */ |
| 1512 | if (stream->rec_strm.hEvent) |
| 1513 | { |
| 1514 | CloseHandle(stream->rec_strm.hEvent); |
| 1515 | stream->rec_strm.hEvent = NULL; |
| 1516 | } |
| 1517 | |
| 1518 | pj_pool_release(stream->pool); |
| 1519 | |
| 1520 | return PJ_SUCCESS; |
| 1521 | } |
| 1522 | |
| 1523 | #endif /* PJMEDIA_AUDIO_DEV_HAS_WMME */ |
| 1524 | |