dlls/quartz/acmwrapper.c

   1 /*
   2  * ACM Wrapper
   3  *
   4  * Copyright 2005 Christian Costa
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "quartz_private.h"
  22
  23 #include "uuids.h"
  24 #include "mmreg.h"
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "dshow.h"
  28 #include "strmif.h"
  29 #include "vfwmsgs.h"
  30 #include "msacm.h"
  31
  32 #include <assert.h>
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  37
  38 struct acm_wrapper
  39 {
  40     struct strmbase_filter filter;
  41     CRITICAL_SECTION stream_cs;
  42
  43     struct strmbase_source source;
  44     IQualityControl source_IQualityControl_iface;
  45     IQualityControl *source_qc_sink;
  46     struct strmbase_passthrough passthrough;
  47
  48     struct strmbase_sink sink;
  49
  50     AM_MEDIA_TYPE mt;
  51     HACMSTREAM has;
  52     LPWAVEFORMATEX pWfOut;
  53
  54     LONGLONG lasttime_real;
  55     LONGLONG lasttime_sent;
  56 };
  57
  58 static struct acm_wrapper *impl_from_strmbase_filter(struct strmbase_filter *iface)
  59 {
  60     return CONTAINING_RECORD(iface, struct acm_wrapper, filter);
  61 }
  62
  63 static HRESULT acm_wrapper_sink_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
  64 {
  65     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
  66
  67     if (IsEqualGUID(iid, &IID_IMemInputPin))
  68         *out = &filter->sink.IMemInputPin_iface;
  69     else
  70         return E_NOINTERFACE;
  71
  72     IUnknown_AddRef((IUnknown *)*out);
  73     return S_OK;
  74 }
  75
  76 static HRESULT acm_wrapper_sink_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
  77 {
  78     return S_OK;
  79 }
  80
  81 static HRESULT WINAPI acm_wrapper_sink_Receive(struct strmbase_sink *iface, IMediaSample *pSample)
  82 {
  83     struct acm_wrapper *This = impl_from_strmbase_filter(iface->pin.filter);
  84     IMediaSample* pOutSample = NULL;
  85     DWORD cbDstStream, cbSrcStream;
  86     LPBYTE pbDstStream;
  87     LPBYTE pbSrcStream = NULL;
  88     ACMSTREAMHEADER ash;
  89     BOOL unprepare_header = FALSE, preroll;
  90     MMRESULT res;
  91     HRESULT hr;
  92     LONGLONG tStart = -1, tStop = -1, tMed;
  93     LONGLONG mtStart = -1, mtStop = -1, mtMed;
  94
  95     /* We do not expect pin connection state to change while the filter is
  96      * running. This guarantee is necessary, since otherwise we would have to
  97      * take the filter lock, and we can't take the filter lock from a streaming
  98      * thread. */
  99     if (!This->source.pMemInputPin)
 100     {
 101         WARN("Source is not connected, returning VFW_E_NOT_CONNECTED.\n");
 102         return VFW_E_NOT_CONNECTED;
 103     }
 104
 105     if (This->filter.state == State_Stopped)
 106         return VFW_E_WRONG_STATE;
 107
 108     if (This->sink.flushing)
 109         return S_FALSE;
 110
 111     EnterCriticalSection(&This->stream_cs);
 112
 113     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
 114     if (FAILED(hr))
 115     {
 116         ERR("Cannot get pointer to sample data (%x)\n", hr);
 117         LeaveCriticalSection(&This->stream_cs);
 118         return hr;
 119     }
 120
 121     preroll = (IMediaSample_IsPreroll(pSample) == S_OK);
 122
 123     IMediaSample_GetTime(pSample, &tStart, &tStop);
 124     if (IMediaSample_GetMediaTime(pSample, &mtStart, &mtStop) != S_OK)
 125         mtStart = mtStop = -1;
 126     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
 127
 128     /* Prevent discontinuities when codecs 'absorb' data but not give anything back in return */
 129     if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 130     {
 131         This->lasttime_real = tStart;
 132         This->lasttime_sent = tStart;
 133     }
 134     else if (This->lasttime_real == tStart)
 135         tStart = This->lasttime_sent;
 136     else
 137         WARN("Discontinuity\n");
 138
 139     tMed = tStart;
 140     mtMed = mtStart;
 141
 142     TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
 143
 144     ash.pbSrc = pbSrcStream;
 145     ash.cbSrcLength = cbSrcStream;
 146
 147     while(hr == S_OK && ash.cbSrcLength)
 148     {
 149         hr = BaseOutputPinImpl_GetDeliveryBuffer(&This->source, &pOutSample, NULL, NULL, 0);
 150         if (FAILED(hr))
 151         {
 152             ERR("Unable to get delivery buffer (%x)\n", hr);
 153             LeaveCriticalSection(&This->stream_cs);
 154             return hr;
 155         }
 156         IMediaSample_SetPreroll(pOutSample, preroll);
 157
 158         hr = IMediaSample_SetActualDataLength(pOutSample, 0);
 159         assert(hr == S_OK);
 160
 161         hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
 162         if (FAILED(hr)) {
 163             ERR("Unable to get pointer to buffer (%x)\n", hr);
 164             goto error;
 165         }
 166         cbDstStream = IMediaSample_GetSize(pOutSample);
 167
 168         ash.cbStruct = sizeof(ash);
 169         ash.fdwStatus = 0;
 170         ash.dwUser = 0;
 171         ash.pbDst = pbDstStream;
 172         ash.cbDstLength = cbDstStream;
 173
 174         if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
 175             ERR("Cannot prepare header %d\n", res);
 176             goto error;
 177         }
 178         unprepare_header = TRUE;
 179
 180         if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 181         {
 182             res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
 183             IMediaSample_SetDiscontinuity(pOutSample, TRUE);
 184             /* One sample could be converted to multiple packets */
 185             IMediaSample_SetDiscontinuity(pSample, FALSE);
 186         }
 187         else
 188         {
 189             res = acmStreamConvert(This->has, &ash, 0);
 190             IMediaSample_SetDiscontinuity(pOutSample, FALSE);
 191         }
 192
 193         if (res)
 194         {
 195             if(res != MMSYSERR_MOREDATA)
 196                 ERR("Cannot convert data header %d\n", res);
 197             goto error;
 198         }
 199
 200         TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
 201
 202         hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
 203         assert(hr == S_OK);
 204
 205         /* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
 206         if (!ash.cbSrcLengthUsed)
 207         {
 208             WARN("Sample was skipped? Outputted: %u\n", ash.cbDstLengthUsed);
 209             ash.cbSrcLength = 0;
 210             goto error;
 211         }
 212
 213         TRACE("Sample start time: %s.\n", debugstr_time(tStart));
 214         if (ash.cbSrcLengthUsed == cbSrcStream)
 215         {
 216             IMediaSample_SetTime(pOutSample, &tStart, &tStop);
 217             tStart = tMed = tStop;
 218         }
 219         else if (tStop != tStart)
 220         {
 221             tMed = tStop - tStart;
 222             tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
 223             IMediaSample_SetTime(pOutSample, &tStart, &tMed);
 224             tStart = tMed;
 225         }
 226         else
 227         {
 228             ERR("No valid timestamp found\n");
 229             IMediaSample_SetTime(pOutSample, NULL, NULL);
 230         }
 231
 232         if (mtStart < 0) {
 233             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 234         } else if (ash.cbSrcLengthUsed == cbSrcStream) {
 235             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
 236             mtStart = mtMed = mtStop;
 237         } else if (mtStop >= mtStart) {
 238             mtMed = mtStop - mtStart;
 239             mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
 240             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
 241             mtStart = mtMed;
 242         } else {
 243             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 244         }
 245
 246         TRACE("Sample stop time: %s\n", debugstr_time(tStart));
 247
 248         hr = IMemInputPin_Receive(This->source.pMemInputPin, pOutSample);
 249         if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
 250             if (FAILED(hr))
 251                 ERR("Error sending sample (%x)\n", hr);
 252             goto error;
 253         }
 254
 255 error:
 256         if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
 257             ERR("Cannot unprepare header %d\n", res);
 258         unprepare_header = FALSE;
 259         ash.pbSrc += ash.cbSrcLengthUsed;
 260         ash.cbSrcLength -= ash.cbSrcLengthUsed;
 261
 262         IMediaSample_Release(pOutSample);
 263         pOutSample = NULL;
 264
 265     }
 266
 267     This->lasttime_real = tStop;
 268     This->lasttime_sent = tMed;
 269
 270     LeaveCriticalSection(&This->stream_cs);
 271     return hr;
 272 }
 273
 274 static BOOL is_audio_subtype(const GUID *guid)
 275 {
 276     return !memcmp(&guid->Data2, &MEDIATYPE_Audio.Data2, sizeof(GUID) - sizeof(int));
 277 }
 278
 279 static HRESULT acm_wrapper_sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
 280 {
 281     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 282     const WAVEFORMATEX *wfx = (WAVEFORMATEX *)mt->pbFormat;
 283     HACMSTREAM drv;
 284     MMRESULT res;
 285
 286     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio) || !is_audio_subtype(&mt->subtype)
 287             || !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx) || !wfx
 288             || wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 289         return VFW_E_TYPE_NOT_ACCEPTED;
 290
 291     CopyMediaType(&filter->mt, mt);
 292     filter->mt.subtype.Data1 = WAVE_FORMAT_PCM;
 293     filter->pWfOut = (WAVEFORMATEX *)filter->mt.pbFormat;
 294     filter->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
 295     filter->pWfOut->wBitsPerSample = 16;
 296     filter->pWfOut->nBlockAlign = filter->pWfOut->wBitsPerSample * filter->pWfOut->nChannels / 8;
 297     filter->pWfOut->cbSize = 0;
 298     filter->pWfOut->nAvgBytesPerSec = filter->pWfOut->nChannels * filter->pWfOut->nSamplesPerSec
 299             * (filter->pWfOut->wBitsPerSample / 8);
 300
 301     if ((res = acmStreamOpen(&drv, NULL, (WAVEFORMATEX *)wfx, filter->pWfOut, NULL, 0, 0, 0)))
 302     {
 303         ERR("Failed to open stream, error %u.\n", res);
 304         FreeMediaType(&filter->mt);
 305         return VFW_E_TYPE_NOT_ACCEPTED;
 306     }
 307
 308     filter->has = drv;
 309
 310     return S_OK;
 311 }
 312
 313 static void acm_wrapper_sink_disconnect(struct strmbase_sink *iface)
 314 {
 315     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 316
 317     if (filter->has)
 318         acmStreamClose(filter->has, 0);
 319     filter->has = 0;
 320     filter->lasttime_real = filter->lasttime_sent = -1;
 321 }
 322
 323 static const struct strmbase_sink_ops sink_ops =
 324 {
 325     .base.pin_query_interface = acm_wrapper_sink_query_interface,
 326     .base.pin_query_accept = acm_wrapper_sink_query_accept,
 327     .base.pin_get_media_type = strmbase_pin_get_media_type,
 328     .pfnReceive = acm_wrapper_sink_Receive,
 329     .sink_connect = acm_wrapper_sink_connect,
 330     .sink_disconnect = acm_wrapper_sink_disconnect,
 331 };
 332
 333 static HRESULT acm_wrapper_source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 334 {
 335     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 336
 337     if (IsEqualGUID(iid, &IID_IQualityControl))
 338         *out = &filter->source_IQualityControl_iface;
 339     else if (IsEqualGUID(iid, &IID_IMediaSeeking))
 340         *out = &filter->passthrough.IMediaSeeking_iface;
 341     else
 342         return E_NOINTERFACE;
 343
 344     IUnknown_AddRef((IUnknown *)*out);
 345     return S_OK;
 346 }
 347
 348 static HRESULT acm_wrapper_source_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
 349 {
 350     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 351
 352     if (IsEqualGUID(&mt->majortype, &filter->mt.majortype)
 353             && (IsEqualGUID(&mt->subtype, &filter->mt.subtype)
 354             || IsEqualGUID(&filter->mt.subtype, &GUID_NULL)))
 355         return S_OK;
 356     return S_FALSE;
 357 }
 358
 359 static HRESULT acm_wrapper_source_get_media_type(struct strmbase_pin *iface,
 360         unsigned int index, AM_MEDIA_TYPE *mt)
 361 {
 362     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 363
 364     if (index)
 365         return VFW_S_NO_MORE_ITEMS;
 366     CopyMediaType(mt, &filter->mt);
 367     return S_OK;
 368 }
 369
 370 static HRESULT WINAPI acm_wrapper_source_DecideBufferSize(struct strmbase_source *iface,
 371         IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 372 {
 373     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 374     ALLOCATOR_PROPERTIES actual;
 375
 376     if (!ppropInputRequest->cbAlign)
 377         ppropInputRequest->cbAlign = 1;
 378
 379     if (ppropInputRequest->cbBuffer < filter->pWfOut->nAvgBytesPerSec / 2)
 380             ppropInputRequest->cbBuffer = filter->pWfOut->nAvgBytesPerSec / 2;
 381
 382     if (!ppropInputRequest->cBuffers)
 383         ppropInputRequest->cBuffers = 1;
 384
 385     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 386 }
 387
 388 static const struct strmbase_source_ops source_ops =
 389 {
 390     .base.pin_query_interface = acm_wrapper_source_query_interface,
 391     .base.pin_query_accept = acm_wrapper_source_query_accept,
 392     .base.pin_get_media_type = acm_wrapper_source_get_media_type,
 393     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 394     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 395     .pfnDecideBufferSize = acm_wrapper_source_DecideBufferSize,
 396 };
 397
 398 static struct acm_wrapper *impl_from_source_IQualityControl(IQualityControl *iface)
 399 {
 400     return CONTAINING_RECORD(iface, struct acm_wrapper, source_IQualityControl_iface);
 401 }
 402
 403 static HRESULT WINAPI acm_wrapper_source_qc_QueryInterface(IQualityControl *iface,
 404         REFIID iid, void **out)
 405 {
 406     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 407     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 408 }
 409
 410 static ULONG WINAPI acm_wrapper_source_qc_AddRef(IQualityControl *iface)
 411 {
 412     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 413     return IPin_AddRef(&filter->source.pin.IPin_iface);
 414 }
 415
 416 static ULONG WINAPI acm_wrapper_source_qc_Release(IQualityControl *iface)
 417 {
 418     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 419     return IPin_Release(&filter->source.pin.IPin_iface);
 420 }
 421
 422 static HRESULT WINAPI acm_wrapper_source_qc_Notify(IQualityControl *iface,
 423         IBaseFilter *sender, Quality q)
 424 {
 425     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 426     IQualityControl *peer;
 427     HRESULT hr = S_OK;
 428
 429     TRACE("filter %p, sender %p, type %#x, proportion %u, late %s, timestamp %s.\n",
 430             filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
 431
 432     if (filter->source_qc_sink)
 433         return IQualityControl_Notify(filter->source_qc_sink, &filter->filter.IBaseFilter_iface, q);
 434
 435     if (filter->sink.pin.peer
 436             && SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
 437     {
 438         hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
 439         IQualityControl_Release(peer);
 440     }
 441     return hr;
 442 }
 443
 444 static HRESULT WINAPI acm_wrapper_source_qc_SetSink(IQualityControl *iface, IQualityControl *sink)
 445 {
 446     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 447
 448     TRACE("filter %p, sink %p.\n", filter, sink);
 449
 450     filter->source_qc_sink = sink;
 451
 452     return S_OK;
 453 }
 454
 455 static const IQualityControlVtbl source_qc_vtbl =
 456 {
 457     acm_wrapper_source_qc_QueryInterface,
 458     acm_wrapper_source_qc_AddRef,
 459     acm_wrapper_source_qc_Release,
 460     acm_wrapper_source_qc_Notify,
 461     acm_wrapper_source_qc_SetSink,
 462 };
 463
 464 static struct strmbase_pin *acm_wrapper_get_pin(struct strmbase_filter *iface, unsigned int index)
 465 {
 466     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 467
 468     if (index == 0)
 469         return &filter->sink.pin;
 470     else if (index == 1)
 471         return &filter->source.pin;
 472     return NULL;
 473 }
 474
 475 static void acm_wrapper_destroy(struct strmbase_filter *iface)
 476 {
 477     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 478
 479     if (filter->sink.pin.peer)
 480         IPin_Disconnect(filter->sink.pin.peer);
 481     IPin_Disconnect(&filter->sink.pin.IPin_iface);
 482
 483     if (filter->source.pin.peer)
 484         IPin_Disconnect(filter->source.pin.peer);
 485     IPin_Disconnect(&filter->source.pin.IPin_iface);
 486
 487     strmbase_sink_cleanup(&filter->sink);
 488     strmbase_source_cleanup(&filter->source);
 489     strmbase_passthrough_cleanup(&filter->passthrough);
 490
 491     filter->stream_cs.DebugInfo->Spare[0] = 0;
 492     DeleteCriticalSection(&filter->stream_cs);
 493     FreeMediaType(&filter->mt);
 494     strmbase_filter_cleanup(&filter->filter);
 495     free(filter);
 496
 497     InterlockedDecrement(&object_locks);
 498 }
 499
 500 static HRESULT acm_wrapper_init_stream(struct strmbase_filter *iface)
 501 {
 502     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 503     HRESULT hr;
 504
 505     if (filter->source.pin.peer && FAILED(hr = IMemAllocator_Commit(filter->source.pAllocator)))
 506         ERR("Failed to commit allocator, hr %#x.\n", hr);
 507     return S_OK;
 508 }
 509
 510 static HRESULT acm_wrapper_cleanup_stream(struct strmbase_filter *iface)
 511 {
 512     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 513
 514     if (filter->source.pin.peer)
 515         IMemAllocator_Decommit(filter->source.pAllocator);
 516     return S_OK;
 517 }
 518
 519 static const struct strmbase_filter_ops filter_ops =
 520 {
 521     .filter_get_pin = acm_wrapper_get_pin,
 522     .filter_destroy = acm_wrapper_destroy,
 523     .filter_init_stream = acm_wrapper_init_stream,
 524     .filter_cleanup_stream = acm_wrapper_cleanup_stream,
 525 };
 526
 527 HRESULT acm_wrapper_create(IUnknown *outer, IUnknown **out)
 528 {
 529     struct acm_wrapper *object;
 530
 531     if (!(object = calloc(1, sizeof(*object))))
 532         return E_OUTOFMEMORY;
 533
 534     strmbase_filter_init(&object->filter, outer, &CLSID_ACMWrapper, &filter_ops);
 535
 536     InitializeCriticalSection(&object->stream_cs);
 537     object->stream_cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__": acm_wrapper.stream_cs");
 538
 539     strmbase_sink_init(&object->sink, &object->filter, L"In", &sink_ops, NULL);
 540
 541     strmbase_source_init(&object->source, &object->filter, L"Out", &source_ops);
 542     object->source_IQualityControl_iface.lpVtbl = &source_qc_vtbl;
 543     strmbase_passthrough_init(&object->passthrough, (IUnknown *)&object->source.pin.IPin_iface);
 544     ISeekingPassThru_Init(&object->passthrough.ISeekingPassThru_iface, FALSE,
 545             &object->sink.pin.IPin_iface);
 546
 547     object->lasttime_real = object->lasttime_sent = -1;
 548
 549     TRACE("Created ACM wrapper %p.\n", object);
 550     *out = &object->filter.IUnknown_inner;
 551
 552     return S_OK;
 553 }