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