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("Failed to get input buffer pointer, hr %#lx.\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     ash.pbSrc = pbSrcStream;
 139     ash.cbSrcLength = cbSrcStream;
 140
 141     while(hr == S_OK && ash.cbSrcLength)
 142     {
 143         if (FAILED(hr = IMemAllocator_GetBuffer(This->source.pAllocator, &pOutSample, NULL, NULL, 0)))
 144         {
 145             ERR("Failed to get sample, hr %#lx.\n", hr);
 146             return hr;
 147         }
 148         IMediaSample_SetPreroll(pOutSample, preroll);
 149
 150         hr = IMediaSample_SetActualDataLength(pOutSample, 0);
 151         assert(hr == S_OK);
 152
 153         hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
 154         if (FAILED(hr)) {
 155             ERR("Failed to get output buffer pointer, hr %#lx.\n", hr);
 156             goto error;
 157         }
 158         cbDstStream = IMediaSample_GetSize(pOutSample);
 159
 160         ash.cbStruct = sizeof(ash);
 161         ash.fdwStatus = 0;
 162         ash.dwUser = 0;
 163         ash.pbDst = pbDstStream;
 164         ash.cbDstLength = cbDstStream;
 165
 166         if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
 167             ERR("Cannot prepare header %d\n", res);
 168             goto error;
 169         }
 170         unprepare_header = TRUE;
 171
 172         if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 173         {
 174             res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
 175             IMediaSample_SetDiscontinuity(pOutSample, TRUE);
 176             /* One sample could be converted to multiple packets */
 177             IMediaSample_SetDiscontinuity(pSample, FALSE);
 178         }
 179         else
 180         {
 181             res = acmStreamConvert(This->has, &ash, 0);
 182             IMediaSample_SetDiscontinuity(pOutSample, FALSE);
 183         }
 184
 185         if (res)
 186         {
 187             if(res != MMSYSERR_MOREDATA)
 188                 ERR("Cannot convert data header %d\n", res);
 189             goto error;
 190         }
 191
 192         TRACE("used in %lu/%lu, used out %lu/%lu\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
 193
 194         hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
 195         assert(hr == S_OK);
 196
 197         /* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
 198         if (!ash.cbSrcLengthUsed)
 199         {
 200             WARN("Sample was skipped? Outputted: %lu\n", ash.cbDstLengthUsed);
 201             ash.cbSrcLength = 0;
 202             goto error;
 203         }
 204
 205         TRACE("Sample start time: %s.\n", debugstr_time(tStart));
 206         if (ash.cbSrcLengthUsed == cbSrcStream)
 207         {
 208             IMediaSample_SetTime(pOutSample, &tStart, &tStop);
 209             tStart = tMed = tStop;
 210         }
 211         else if (tStop != tStart)
 212         {
 213             tMed = tStop - tStart;
 214             tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
 215             IMediaSample_SetTime(pOutSample, &tStart, &tMed);
 216             tStart = tMed;
 217         }
 218         else
 219         {
 220             ERR("No valid timestamp found\n");
 221             IMediaSample_SetTime(pOutSample, NULL, NULL);
 222         }
 223
 224         if (mtStart < 0) {
 225             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 226         } else if (ash.cbSrcLengthUsed == cbSrcStream) {
 227             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
 228             mtStart = mtMed = mtStop;
 229         } else if (mtStop >= mtStart) {
 230             mtMed = mtStop - mtStart;
 231             mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
 232             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
 233             mtStart = mtMed;
 234         } else {
 235             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 236         }
 237
 238         TRACE("Sample stop time: %s\n", debugstr_time(tStart));
 239
 240         hr = IMemInputPin_Receive(This->source.pMemInputPin, pOutSample);
 241         if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
 242             if (FAILED(hr))
 243                 ERR("Failed to send sample, hr %#lx.\n", hr);
 244             goto error;
 245         }
 246
 247 error:
 248         if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
 249             ERR("Cannot unprepare header %d\n", res);
 250         unprepare_header = FALSE;
 251         ash.pbSrc += ash.cbSrcLengthUsed;
 252         ash.cbSrcLength -= ash.cbSrcLengthUsed;
 253
 254         IMediaSample_Release(pOutSample);
 255         pOutSample = NULL;
 256
 257     }
 258
 259     This->lasttime_real = tStop;
 260     This->lasttime_sent = tMed;
 261
 262     return hr;
 263 }
 264
 265 static BOOL is_audio_subtype(const GUID *guid)
 266 {
 267     return !memcmp(&guid->Data2, &MEDIATYPE_Audio.Data2, sizeof(GUID) - sizeof(int));
 268 }
 269
 270 static HRESULT acm_wrapper_sink_connect(struct strmbase_sink *iface, IPin *peer, const AM_MEDIA_TYPE *mt)
 271 {
 272     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 273     const WAVEFORMATEX *wfx = (WAVEFORMATEX *)mt->pbFormat;
 274     HACMSTREAM drv;
 275     MMRESULT res;
 276
 277     if (!IsEqualGUID(&mt->majortype, &MEDIATYPE_Audio) || !is_audio_subtype(&mt->subtype)
 278             || !IsEqualGUID(&mt->formattype, &FORMAT_WaveFormatEx) || !wfx
 279             || wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 280         return VFW_E_TYPE_NOT_ACCEPTED;
 281
 282     CopyMediaType(&filter->mt, mt);
 283     filter->mt.subtype.Data1 = WAVE_FORMAT_PCM;
 284     filter->pWfOut = (WAVEFORMATEX *)filter->mt.pbFormat;
 285     filter->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
 286     filter->pWfOut->wBitsPerSample = 16;
 287     filter->pWfOut->nBlockAlign = filter->pWfOut->wBitsPerSample * filter->pWfOut->nChannels / 8;
 288     filter->pWfOut->cbSize = 0;
 289     filter->pWfOut->nAvgBytesPerSec = filter->pWfOut->nChannels * filter->pWfOut->nSamplesPerSec
 290             * (filter->pWfOut->wBitsPerSample / 8);
 291
 292     if ((res = acmStreamOpen(&drv, NULL, (WAVEFORMATEX *)wfx, filter->pWfOut, NULL, 0, 0, 0)))
 293     {
 294         ERR("Failed to open stream, error %u.\n", res);
 295         FreeMediaType(&filter->mt);
 296         return VFW_E_TYPE_NOT_ACCEPTED;
 297     }
 298
 299     filter->has = drv;
 300
 301     return S_OK;
 302 }
 303
 304 static void acm_wrapper_sink_disconnect(struct strmbase_sink *iface)
 305 {
 306     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 307
 308     if (filter->has)
 309         acmStreamClose(filter->has, 0);
 310     filter->has = 0;
 311     filter->lasttime_real = filter->lasttime_sent = -1;
 312 }
 313
 314 static const struct strmbase_sink_ops sink_ops =
 315 {
 316     .base.pin_query_interface = acm_wrapper_sink_query_interface,
 317     .base.pin_query_accept = acm_wrapper_sink_query_accept,
 318     .pfnReceive = acm_wrapper_sink_Receive,
 319     .sink_connect = acm_wrapper_sink_connect,
 320     .sink_disconnect = acm_wrapper_sink_disconnect,
 321 };
 322
 323 static HRESULT acm_wrapper_source_query_interface(struct strmbase_pin *iface, REFIID iid, void **out)
 324 {
 325     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 326
 327     if (IsEqualGUID(iid, &IID_IQualityControl))
 328         *out = &filter->source_IQualityControl_iface;
 329     else if (IsEqualGUID(iid, &IID_IMediaSeeking))
 330         *out = &filter->passthrough.IMediaSeeking_iface;
 331     else
 332         return E_NOINTERFACE;
 333
 334     IUnknown_AddRef((IUnknown *)*out);
 335     return S_OK;
 336 }
 337
 338 static HRESULT acm_wrapper_source_query_accept(struct strmbase_pin *iface, const AM_MEDIA_TYPE *mt)
 339 {
 340     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 341
 342     if (IsEqualGUID(&mt->majortype, &filter->mt.majortype)
 343             && (IsEqualGUID(&mt->subtype, &filter->mt.subtype)
 344             || IsEqualGUID(&filter->mt.subtype, &GUID_NULL)))
 345         return S_OK;
 346     return S_FALSE;
 347 }
 348
 349 static HRESULT acm_wrapper_source_get_media_type(struct strmbase_pin *iface,
 350         unsigned int index, AM_MEDIA_TYPE *mt)
 351 {
 352     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->filter);
 353
 354     if (index)
 355         return VFW_S_NO_MORE_ITEMS;
 356     CopyMediaType(mt, &filter->mt);
 357     return S_OK;
 358 }
 359
 360 static HRESULT WINAPI acm_wrapper_source_DecideBufferSize(struct strmbase_source *iface,
 361         IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 362 {
 363     struct acm_wrapper *filter = impl_from_strmbase_filter(iface->pin.filter);
 364     ALLOCATOR_PROPERTIES actual;
 365
 366     if (!ppropInputRequest->cbAlign)
 367         ppropInputRequest->cbAlign = 1;
 368
 369     if (ppropInputRequest->cbBuffer < filter->pWfOut->nAvgBytesPerSec / 2)
 370             ppropInputRequest->cbBuffer = filter->pWfOut->nAvgBytesPerSec / 2;
 371
 372     if (!ppropInputRequest->cBuffers)
 373         ppropInputRequest->cBuffers = 1;
 374
 375     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 376 }
 377
 378 static const struct strmbase_source_ops source_ops =
 379 {
 380     .base.pin_query_interface = acm_wrapper_source_query_interface,
 381     .base.pin_query_accept = acm_wrapper_source_query_accept,
 382     .base.pin_get_media_type = acm_wrapper_source_get_media_type,
 383     .pfnAttemptConnection = BaseOutputPinImpl_AttemptConnection,
 384     .pfnDecideAllocator = BaseOutputPinImpl_DecideAllocator,
 385     .pfnDecideBufferSize = acm_wrapper_source_DecideBufferSize,
 386 };
 387
 388 static struct acm_wrapper *impl_from_source_IQualityControl(IQualityControl *iface)
 389 {
 390     return CONTAINING_RECORD(iface, struct acm_wrapper, source_IQualityControl_iface);
 391 }
 392
 393 static HRESULT WINAPI acm_wrapper_source_qc_QueryInterface(IQualityControl *iface,
 394         REFIID iid, void **out)
 395 {
 396     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 397     return IPin_QueryInterface(&filter->source.pin.IPin_iface, iid, out);
 398 }
 399
 400 static ULONG WINAPI acm_wrapper_source_qc_AddRef(IQualityControl *iface)
 401 {
 402     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 403     return IPin_AddRef(&filter->source.pin.IPin_iface);
 404 }
 405
 406 static ULONG WINAPI acm_wrapper_source_qc_Release(IQualityControl *iface)
 407 {
 408     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 409     return IPin_Release(&filter->source.pin.IPin_iface);
 410 }
 411
 412 static HRESULT WINAPI acm_wrapper_source_qc_Notify(IQualityControl *iface,
 413         IBaseFilter *sender, Quality q)
 414 {
 415     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 416     IQualityControl *peer;
 417     HRESULT hr = S_OK;
 418
 419     TRACE("filter %p, sender %p, type %#x, proportion %ld, late %s, timestamp %s.\n",
 420             filter, sender, q.Type, q.Proportion, debugstr_time(q.Late), debugstr_time(q.TimeStamp));
 421
 422     if (filter->source_qc_sink)
 423         return IQualityControl_Notify(filter->source_qc_sink, &filter->filter.IBaseFilter_iface, q);
 424
 425     if (filter->sink.pin.peer
 426             && SUCCEEDED(IPin_QueryInterface(filter->sink.pin.peer, &IID_IQualityControl, (void **)&peer)))
 427     {
 428         hr = IQualityControl_Notify(peer, &filter->filter.IBaseFilter_iface, q);
 429         IQualityControl_Release(peer);
 430     }
 431     return hr;
 432 }
 433
 434 static HRESULT WINAPI acm_wrapper_source_qc_SetSink(IQualityControl *iface, IQualityControl *sink)
 435 {
 436     struct acm_wrapper *filter = impl_from_source_IQualityControl(iface);
 437
 438     TRACE("filter %p, sink %p.\n", filter, sink);
 439
 440     filter->source_qc_sink = sink;
 441
 442     return S_OK;
 443 }
 444
 445 static const IQualityControlVtbl source_qc_vtbl =
 446 {
 447     acm_wrapper_source_qc_QueryInterface,
 448     acm_wrapper_source_qc_AddRef,
 449     acm_wrapper_source_qc_Release,
 450     acm_wrapper_source_qc_Notify,
 451     acm_wrapper_source_qc_SetSink,
 452 };
 453
 454 static struct strmbase_pin *acm_wrapper_get_pin(struct strmbase_filter *iface, unsigned int index)
 455 {
 456     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 457
 458     if (index == 0)
 459         return &filter->sink.pin;
 460     else if (index == 1)
 461         return &filter->source.pin;
 462     return NULL;
 463 }
 464
 465 static void acm_wrapper_destroy(struct strmbase_filter *iface)
 466 {
 467     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 468
 469     if (filter->sink.pin.peer)
 470         IPin_Disconnect(filter->sink.pin.peer);
 471     IPin_Disconnect(&filter->sink.pin.IPin_iface);
 472
 473     if (filter->source.pin.peer)
 474         IPin_Disconnect(filter->source.pin.peer);
 475     IPin_Disconnect(&filter->source.pin.IPin_iface);
 476
 477     strmbase_sink_cleanup(&filter->sink);
 478     strmbase_source_cleanup(&filter->source);
 479     strmbase_passthrough_cleanup(&filter->passthrough);
 480
 481     FreeMediaType(&filter->mt);
 482     strmbase_filter_cleanup(&filter->filter);
 483     free(filter);
 484 }
 485
 486 static HRESULT acm_wrapper_init_stream(struct strmbase_filter *iface)
 487 {
 488     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 489     HRESULT hr;
 490
 491     if (filter->source.pin.peer && FAILED(hr = IMemAllocator_Commit(filter->source.pAllocator)))
 492         ERR("Failed to commit allocator, hr %#lx.\n", hr);
 493     return S_OK;
 494 }
 495
 496 static HRESULT acm_wrapper_cleanup_stream(struct strmbase_filter *iface)
 497 {
 498     struct acm_wrapper *filter = impl_from_strmbase_filter(iface);
 499
 500     if (filter->source.pin.peer)
 501         IMemAllocator_Decommit(filter->source.pAllocator);
 502     return S_OK;
 503 }
 504
 505 static const struct strmbase_filter_ops filter_ops =
 506 {
 507     .filter_get_pin = acm_wrapper_get_pin,
 508     .filter_destroy = acm_wrapper_destroy,
 509     .filter_init_stream = acm_wrapper_init_stream,
 510     .filter_cleanup_stream = acm_wrapper_cleanup_stream,
 511 };
 512
 513 HRESULT acm_wrapper_create(IUnknown *outer, IUnknown **out)
 514 {
 515     struct acm_wrapper *object;
 516
 517     if (!(object = calloc(1, sizeof(*object))))
 518         return E_OUTOFMEMORY;
 519
 520     strmbase_filter_init(&object->filter, outer, &CLSID_ACMWrapper, &filter_ops);
 521
 522     strmbase_sink_init(&object->sink, &object->filter, L"In", &sink_ops, NULL);
 523     wcscpy(object->sink.pin.name, L"Input");
 524
 525     strmbase_source_init(&object->source, &object->filter, L"Out", &source_ops);
 526     wcscpy(object->source.pin.name, L"Output");
 527
 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 }