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   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 "config.h"
  22
  23 #include "quartz_private.h"
  24 #include "pin.h"
  25
  26 #include "uuids.h"
  27 #include "mmreg.h"
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "dshow.h"
  31 #include "strmif.h"
  32 #include "vfwmsgs.h"
  33 #include "msacm.h"
  34
  35 #include <assert.h>
  36
  37 #include "wine/unicode.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  41
  42 typedef struct ACMWrapperImpl
  43 {
  44     TransformFilter tf;
  45
  46     HACMSTREAM has;
  47     LPWAVEFORMATEX pWfIn;
  48     LPWAVEFORMATEX pWfOut;
  49
  50     LONGLONG lasttime_real;
  51     LONGLONG lasttime_sent;
  52 } ACMWrapperImpl;
  53
  54 static const IBaseFilterVtbl ACMWrapper_Vtbl;
  55
  56 static inline ACMWrapperImpl *impl_from_TransformFilter( TransformFilter *iface )
  57 {
  58     return CONTAINING_RECORD(iface, ACMWrapperImpl, tf.filter);
  59 }
  60
  61 static inline ACMWrapperImpl *impl_from_IBaseFilter( IBaseFilter *iface )
  62 {
  63     return CONTAINING_RECORD(iface, ACMWrapperImpl, tf.filter.IBaseFilter_iface);
  64 }
  65
  66 static HRESULT WINAPI ACMWrapper_Receive(TransformFilter *tf, IMediaSample *pSample)
  67 {
  68     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
  69     AM_MEDIA_TYPE amt;
  70     IMediaSample* pOutSample = NULL;
  71     DWORD cbDstStream, cbSrcStream;
  72     LPBYTE pbDstStream;
  73     LPBYTE pbSrcStream = NULL;
  74     ACMSTREAMHEADER ash;
  75     BOOL unprepare_header = FALSE, preroll;
  76     MMRESULT res;
  77     HRESULT hr;
  78     LONGLONG tStart = -1, tStop = -1, tMed;
  79     LONGLONG mtStart = -1, mtStop = -1, mtMed;
  80
  81     EnterCriticalSection(&This->tf.csReceive);
  82     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
  83     if (FAILED(hr))
  84     {
  85         ERR("Cannot get pointer to sample data (%x)\n", hr);
  86         LeaveCriticalSection(&This->tf.csReceive);
  87         return hr;
  88     }
  89
  90     preroll = (IMediaSample_IsPreroll(pSample) == S_OK);
  91
  92     IMediaSample_GetTime(pSample, &tStart, &tStop);
  93     if (IMediaSample_GetMediaTime(pSample, &mtStart, &mtStop) != S_OK)
  94         mtStart = mtStop = -1;
  95     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
  96
  97     /* Prevent discontinuities when codecs 'absorb' data but not give anything back in return */
  98     if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
  99     {
 100         This->lasttime_real = tStart;
 101         This->lasttime_sent = tStart;
 102     }
 103     else if (This->lasttime_real == tStart)
 104         tStart = This->lasttime_sent;
 105     else
 106         WARN("Discontinuity\n");
 107
 108     tMed = tStart;
 109     mtMed = mtStart;
 110
 111     TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
 112
 113     hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
 114     if (FAILED(hr))
 115     {
 116         ERR("Unable to retrieve media type\n");
 117         LeaveCriticalSection(&This->tf.csReceive);
 118         return hr;
 119     }
 120
 121     ash.pbSrc = pbSrcStream;
 122     ash.cbSrcLength = cbSrcStream;
 123
 124     while(hr == S_OK && ash.cbSrcLength)
 125     {
 126         hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
 127         if (FAILED(hr))
 128         {
 129             ERR("Unable to get delivery buffer (%x)\n", hr);
 130             LeaveCriticalSection(&This->tf.csReceive);
 131             return hr;
 132         }
 133         IMediaSample_SetPreroll(pOutSample, preroll);
 134
 135         hr = IMediaSample_SetActualDataLength(pOutSample, 0);
 136         assert(hr == S_OK);
 137
 138         hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
 139         if (FAILED(hr)) {
 140             ERR("Unable to get pointer to buffer (%x)\n", hr);
 141             goto error;
 142         }
 143         cbDstStream = IMediaSample_GetSize(pOutSample);
 144
 145         ash.cbStruct = sizeof(ash);
 146         ash.fdwStatus = 0;
 147         ash.dwUser = 0;
 148         ash.pbDst = pbDstStream;
 149         ash.cbDstLength = cbDstStream;
 150
 151         if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
 152             ERR("Cannot prepare header %d\n", res);
 153             goto error;
 154         }
 155         unprepare_header = TRUE;
 156
 157         if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 158         {
 159             res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
 160             IMediaSample_SetDiscontinuity(pOutSample, TRUE);
 161             /* One sample could be converted to multiple packets */
 162             IMediaSample_SetDiscontinuity(pSample, FALSE);
 163         }
 164         else
 165         {
 166             res = acmStreamConvert(This->has, &ash, 0);
 167             IMediaSample_SetDiscontinuity(pOutSample, FALSE);
 168         }
 169
 170         if (res)
 171         {
 172             if(res != MMSYSERR_MOREDATA)
 173                 ERR("Cannot convert data header %d\n", res);
 174             goto error;
 175         }
 176
 177         TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
 178
 179         hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
 180         assert(hr == S_OK);
 181
 182         /* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
 183         if (!ash.cbSrcLengthUsed)
 184         {
 185             WARN("Sample was skipped? Outputted: %u\n", ash.cbDstLengthUsed);
 186             ash.cbSrcLength = 0;
 187             goto error;
 188         }
 189
 190         TRACE("Sample start time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
 191         if (ash.cbSrcLengthUsed == cbSrcStream)
 192         {
 193             IMediaSample_SetTime(pOutSample, &tStart, &tStop);
 194             tStart = tMed = tStop;
 195         }
 196         else if (tStop != tStart)
 197         {
 198             tMed = tStop - tStart;
 199             tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
 200             IMediaSample_SetTime(pOutSample, &tStart, &tMed);
 201             tStart = tMed;
 202         }
 203         else
 204         {
 205             ERR("No valid timestamp found\n");
 206             IMediaSample_SetTime(pOutSample, NULL, NULL);
 207         }
 208
 209         if (mtStart < 0) {
 210             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 211         } else if (ash.cbSrcLengthUsed == cbSrcStream) {
 212             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
 213             mtStart = mtMed = mtStop;
 214         } else if (mtStop >= mtStart) {
 215             mtMed = mtStop - mtStart;
 216             mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
 217             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
 218             mtStart = mtMed;
 219         } else {
 220             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 221         }
 222
 223         TRACE("Sample stop time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
 224
 225         LeaveCriticalSection(&This->tf.csReceive);
 226         hr = BaseOutputPinImpl_Deliver((BaseOutputPin*)This->tf.ppPins[1], pOutSample);
 227         EnterCriticalSection(&This->tf.csReceive);
 228
 229         if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
 230             if (FAILED(hr))
 231                 ERR("Error sending sample (%x)\n", hr);
 232             goto error;
 233         }
 234
 235 error:
 236         if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
 237             ERR("Cannot unprepare header %d\n", res);
 238         unprepare_header = FALSE;
 239         ash.pbSrc += ash.cbSrcLengthUsed;
 240         ash.cbSrcLength -= ash.cbSrcLengthUsed;
 241
 242         IMediaSample_Release(pOutSample);
 243         pOutSample = NULL;
 244
 245     }
 246
 247     This->lasttime_real = tStop;
 248     This->lasttime_sent = tMed;
 249
 250     LeaveCriticalSection(&This->tf.csReceive);
 251     return hr;
 252 }
 253
 254 static HRESULT WINAPI ACMWrapper_SetMediaType(TransformFilter *tf, PIN_DIRECTION dir, const AM_MEDIA_TYPE * pmt)
 255 {
 256     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
 257     MMRESULT res;
 258
 259     TRACE("(%p)->(%i %p)\n", This, dir, pmt);
 260
 261     if (dir != PINDIR_INPUT)
 262         return S_OK;
 263
 264     /* Check root (GUID w/o FOURCC) */
 265     if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
 266         (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) &&
 267         (IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
 268     {
 269         HACMSTREAM drv;
 270         WAVEFORMATEX *wfx = (WAVEFORMATEX*)pmt->pbFormat;
 271         AM_MEDIA_TYPE* outpmt = &This->tf.pmt;
 272
 273         if (!wfx || wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 274             return VFW_E_TYPE_NOT_ACCEPTED;
 275         FreeMediaType(outpmt);
 276
 277         This->pWfIn = (LPWAVEFORMATEX)pmt->pbFormat;
 278
 279         /* HACK */
 280         /* TRACE("ALIGN = %d\n", pACMWrapper->pWfIn->nBlockAlign); */
 281         /* pACMWrapper->pWfIn->nBlockAlign = 1; */
 282
 283         /* Set output audio data to PCM */
 284         CopyMediaType(outpmt, pmt);
 285         outpmt->subtype.Data1 = WAVE_FORMAT_PCM;
 286         This->pWfOut = (WAVEFORMATEX*)outpmt->pbFormat;
 287         This->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
 288         This->pWfOut->wBitsPerSample = 16;
 289         This->pWfOut->nBlockAlign = This->pWfOut->wBitsPerSample * This->pWfOut->nChannels / 8;
 290         This->pWfOut->cbSize = 0;
 291         This->pWfOut->nAvgBytesPerSec = This->pWfOut->nChannels * This->pWfOut->nSamplesPerSec
 292                                                 * (This->pWfOut->wBitsPerSample/8);
 293
 294         if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
 295         {
 296             This->has = drv;
 297
 298             TRACE("Connection accepted\n");
 299             return S_OK;
 300         }
 301         else
 302             FIXME("acmStreamOpen returned %d\n", res);
 303         FreeMediaType(outpmt);
 304         TRACE("Unable to find a suitable ACM decompressor\n");
 305     }
 306
 307     TRACE("Connection refused\n");
 308     return VFW_E_TYPE_NOT_ACCEPTED;
 309 }
 310
 311 static HRESULT WINAPI ACMWrapper_CompleteConnect(TransformFilter *tf, PIN_DIRECTION dir, IPin *pin)
 312 {
 313     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
 314     MMRESULT res;
 315     HACMSTREAM drv;
 316
 317     TRACE("(%p)\n", This);
 318
 319     if (dir != PINDIR_INPUT)
 320         return S_OK;
 321
 322     if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
 323     {
 324         This->has = drv;
 325
 326         TRACE("Connection accepted\n");
 327         return S_OK;
 328     }
 329
 330     FIXME("acmStreamOpen returned %d\n", res);
 331     TRACE("Unable to find a suitable ACM decompressor\n");
 332     return VFW_E_TYPE_NOT_ACCEPTED;
 333 }
 334
 335 static HRESULT WINAPI ACMWrapper_BreakConnect(TransformFilter *tf, PIN_DIRECTION dir)
 336 {
 337     ACMWrapperImpl *This = impl_from_TransformFilter(tf);
 338
 339     TRACE("(%p)->(%i)\n", This,dir);
 340
 341     if (dir == PINDIR_INPUT)
 342     {
 343         if (This->has)
 344             acmStreamClose(This->has, 0);
 345
 346         This->has = 0;
 347         This->lasttime_real = This->lasttime_sent = -1;
 348     }
 349
 350     return S_OK;
 351 }
 352
 353 static HRESULT WINAPI ACMWrapper_DecideBufferSize(TransformFilter *tf, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 354 {
 355     ACMWrapperImpl *pACM = impl_from_TransformFilter(tf);
 356     ALLOCATOR_PROPERTIES actual;
 357
 358     if (!ppropInputRequest->cbAlign)
 359         ppropInputRequest->cbAlign = 1;
 360
 361     if (ppropInputRequest->cbBuffer < pACM->pWfOut->nAvgBytesPerSec / 2)
 362             ppropInputRequest->cbBuffer = pACM->pWfOut->nAvgBytesPerSec / 2;
 363
 364     if (!ppropInputRequest->cBuffers)
 365         ppropInputRequest->cBuffers = 1;
 366
 367     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 368 }
 369
 370 static const TransformFilterFuncTable ACMWrapper_FuncsTable = {
 371     ACMWrapper_DecideBufferSize,
 372     NULL,
 373     ACMWrapper_Receive,
 374     NULL,
 375     NULL,
 376     ACMWrapper_SetMediaType,
 377     ACMWrapper_CompleteConnect,
 378     ACMWrapper_BreakConnect,
 379     NULL,
 380     NULL,
 381     NULL,
 382     NULL
 383 };
 384
 385 HRESULT ACMWrapper_create(IUnknown * pUnkOuter, LPVOID * ppv)
 386 {
 387     HRESULT hr;
 388     ACMWrapperImpl* This;
 389
 390     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 391
 392     *ppv = NULL;
 393
 394     if (pUnkOuter)
 395         return CLASS_E_NOAGGREGATION;
 396
 397     hr = TransformFilter_Construct(&ACMWrapper_Vtbl, sizeof(ACMWrapperImpl), &CLSID_ACMWrapper, &ACMWrapper_FuncsTable, (IBaseFilter**)&This);
 398
 399     if (FAILED(hr))
 400         return hr;
 401
 402     *ppv = This;
 403     This->lasttime_real = This->lasttime_sent = -1;
 404
 405     return hr;
 406 }
 407
 408 static const IBaseFilterVtbl ACMWrapper_Vtbl =
 409 {
 410     TransformFilterImpl_QueryInterface,
 411     BaseFilterImpl_AddRef,
 412     TransformFilterImpl_Release,
 413     BaseFilterImpl_GetClassID,
 414     TransformFilterImpl_Stop,
 415     TransformFilterImpl_Pause,
 416     TransformFilterImpl_Run,
 417     BaseFilterImpl_GetState,
 418     BaseFilterImpl_SetSyncSource,
 419     BaseFilterImpl_GetSyncSource,
 420     BaseFilterImpl_EnumPins,
 421     TransformFilterImpl_FindPin,
 422     BaseFilterImpl_QueryFilterInfo,
 423     BaseFilterImpl_JoinFilterGraph,
 424     BaseFilterImpl_QueryVendorInfo
 425 };