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