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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     IUnknown *seekthru_unk;
  46
  47     HACMSTREAM has;
  48     LPWAVEFORMATEX pWfIn;
  49     LPWAVEFORMATEX pWfOut;
  50
  51     LONGLONG lasttime_real;
  52     LONGLONG lasttime_sent;
  53 } ACMWrapperImpl;
  54
  55 static const IBaseFilterVtbl ACMWrapper_Vtbl;
  56
  57 static inline ACMWrapperImpl *impl_from_TransformFilter( TransformFilter *iface )
  58 {
  59     return CONTAINING_RECORD(iface, ACMWrapperImpl, tf.filter);
  60 }
  61
  62 static inline ACMWrapperImpl *impl_from_IBaseFilter( IBaseFilter *iface )
  63 {
  64     return CONTAINING_RECORD(iface, ACMWrapperImpl, tf.filter.IBaseFilter_iface);
  65 }
  66
  67 static HRESULT WINAPI ACMWrapper_Receive(TransformFilter *tf, IMediaSample *pSample)
  68 {
  69     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
  70     AM_MEDIA_TYPE amt;
  71     IMediaSample* pOutSample = NULL;
  72     DWORD cbDstStream, cbSrcStream;
  73     LPBYTE pbDstStream;
  74     LPBYTE pbSrcStream = NULL;
  75     ACMSTREAMHEADER ash;
  76     BOOL unprepare_header = FALSE, preroll;
  77     MMRESULT res;
  78     HRESULT hr;
  79     LONGLONG tStart = -1, tStop = -1, tMed;
  80     LONGLONG mtStart = -1, mtStop = -1, mtMed;
  81
  82     EnterCriticalSection(&This->tf.csReceive);
  83     hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
  84     if (FAILED(hr))
  85     {
  86         ERR("Cannot get pointer to sample data (%x)\n", hr);
  87         LeaveCriticalSection(&This->tf.csReceive);
  88         return hr;
  89     }
  90
  91     preroll = (IMediaSample_IsPreroll(pSample) == S_OK);
  92
  93     IMediaSample_GetTime(pSample, &tStart, &tStop);
  94     if (IMediaSample_GetMediaTime(pSample, &mtStart, &mtStop) != S_OK)
  95         mtStart = mtStop = -1;
  96     cbSrcStream = IMediaSample_GetActualDataLength(pSample);
  97
  98     /* Prevent discontinuities when codecs 'absorb' data but not give anything back in return */
  99     if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 100     {
 101         This->lasttime_real = tStart;
 102         This->lasttime_sent = tStart;
 103     }
 104     else if (This->lasttime_real == tStart)
 105         tStart = This->lasttime_sent;
 106     else
 107         WARN("Discontinuity\n");
 108
 109     tMed = tStart;
 110     mtMed = mtStart;
 111
 112     TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
 113
 114     hr = IPin_ConnectionMediaType(This->tf.ppPins[0], &amt);
 115     if (FAILED(hr))
 116     {
 117         ERR("Unable to retrieve media type\n");
 118         LeaveCriticalSection(&This->tf.csReceive);
 119         return hr;
 120     }
 121
 122     ash.pbSrc = pbSrcStream;
 123     ash.cbSrcLength = cbSrcStream;
 124
 125     while(hr == S_OK && ash.cbSrcLength)
 126     {
 127         hr = BaseOutputPinImpl_GetDeliveryBuffer((BaseOutputPin*)This->tf.ppPins[1], &pOutSample, NULL, NULL, 0);
 128         if (FAILED(hr))
 129         {
 130             ERR("Unable to get delivery buffer (%x)\n", hr);
 131             LeaveCriticalSection(&This->tf.csReceive);
 132             return hr;
 133         }
 134         IMediaSample_SetPreroll(pOutSample, preroll);
 135
 136         hr = IMediaSample_SetActualDataLength(pOutSample, 0);
 137         assert(hr == S_OK);
 138
 139         hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
 140         if (FAILED(hr)) {
 141             ERR("Unable to get pointer to buffer (%x)\n", hr);
 142             goto error;
 143         }
 144         cbDstStream = IMediaSample_GetSize(pOutSample);
 145
 146         ash.cbStruct = sizeof(ash);
 147         ash.fdwStatus = 0;
 148         ash.dwUser = 0;
 149         ash.pbDst = pbDstStream;
 150         ash.cbDstLength = cbDstStream;
 151
 152         if ((res = acmStreamPrepareHeader(This->has, &ash, 0))) {
 153             ERR("Cannot prepare header %d\n", res);
 154             goto error;
 155         }
 156         unprepare_header = TRUE;
 157
 158         if (IMediaSample_IsDiscontinuity(pSample) == S_OK)
 159         {
 160             res = acmStreamConvert(This->has, &ash, ACM_STREAMCONVERTF_START);
 161             IMediaSample_SetDiscontinuity(pOutSample, TRUE);
 162             /* One sample could be converted to multiple packets */
 163             IMediaSample_SetDiscontinuity(pSample, FALSE);
 164         }
 165         else
 166         {
 167             res = acmStreamConvert(This->has, &ash, 0);
 168             IMediaSample_SetDiscontinuity(pOutSample, FALSE);
 169         }
 170
 171         if (res)
 172         {
 173             if(res != MMSYSERR_MOREDATA)
 174                 ERR("Cannot convert data header %d\n", res);
 175             goto error;
 176         }
 177
 178         TRACE("used in %u/%u, used out %u/%u\n", ash.cbSrcLengthUsed, ash.cbSrcLength, ash.cbDstLengthUsed, ash.cbDstLength);
 179
 180         hr = IMediaSample_SetActualDataLength(pOutSample, ash.cbDstLengthUsed);
 181         assert(hr == S_OK);
 182
 183         /* Bug in acm codecs? It apparently uses the input, but doesn't necessarily output immediately */
 184         if (!ash.cbSrcLengthUsed)
 185         {
 186             WARN("Sample was skipped? Outputted: %u\n", ash.cbDstLengthUsed);
 187             ash.cbSrcLength = 0;
 188             goto error;
 189         }
 190
 191         TRACE("Sample start time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
 192         if (ash.cbSrcLengthUsed == cbSrcStream)
 193         {
 194             IMediaSample_SetTime(pOutSample, &tStart, &tStop);
 195             tStart = tMed = tStop;
 196         }
 197         else if (tStop != tStart)
 198         {
 199             tMed = tStop - tStart;
 200             tMed = tStart + tMed * ash.cbSrcLengthUsed / cbSrcStream;
 201             IMediaSample_SetTime(pOutSample, &tStart, &tMed);
 202             tStart = tMed;
 203         }
 204         else
 205         {
 206             ERR("No valid timestamp found\n");
 207             IMediaSample_SetTime(pOutSample, NULL, NULL);
 208         }
 209
 210         if (mtStart < 0) {
 211             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 212         } else if (ash.cbSrcLengthUsed == cbSrcStream) {
 213             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtStop);
 214             mtStart = mtMed = mtStop;
 215         } else if (mtStop >= mtStart) {
 216             mtMed = mtStop - mtStart;
 217             mtMed = mtStart + mtMed * ash.cbSrcLengthUsed / cbSrcStream;
 218             IMediaSample_SetMediaTime(pOutSample, &mtStart, &mtMed);
 219             mtStart = mtMed;
 220         } else {
 221             IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
 222         }
 223
 224         TRACE("Sample stop time: %u.%03u\n", (DWORD)(tStart/10000000), (DWORD)((tStart/10000)%1000));
 225
 226         LeaveCriticalSection(&This->tf.csReceive);
 227         hr = BaseOutputPinImpl_Deliver((BaseOutputPin*)This->tf.ppPins[1], pOutSample);
 228         EnterCriticalSection(&This->tf.csReceive);
 229
 230         if (hr != S_OK && hr != VFW_E_NOT_CONNECTED) {
 231             if (FAILED(hr))
 232                 ERR("Error sending sample (%x)\n", hr);
 233             goto error;
 234         }
 235
 236 error:
 237         if (unprepare_header && (res = acmStreamUnprepareHeader(This->has, &ash, 0)))
 238             ERR("Cannot unprepare header %d\n", res);
 239         unprepare_header = FALSE;
 240         ash.pbSrc += ash.cbSrcLengthUsed;
 241         ash.cbSrcLength -= ash.cbSrcLengthUsed;
 242
 243         IMediaSample_Release(pOutSample);
 244         pOutSample = NULL;
 245
 246     }
 247
 248     This->lasttime_real = tStop;
 249     This->lasttime_sent = tMed;
 250
 251     LeaveCriticalSection(&This->tf.csReceive);
 252     return hr;
 253 }
 254
 255 static HRESULT WINAPI ACMWrapper_SetMediaType(TransformFilter *tf, PIN_DIRECTION dir, const AM_MEDIA_TYPE * pmt)
 256 {
 257     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
 258     MMRESULT res;
 259
 260     TRACE("(%p)->(%i %p)\n", This, dir, pmt);
 261
 262     if (dir != PINDIR_INPUT)
 263         return S_OK;
 264
 265     /* Check root (GUID w/o FOURCC) */
 266     if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio)) &&
 267         (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Audio)+4, sizeof(GUID)-4)) &&
 268         (IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx)))
 269     {
 270         HACMSTREAM drv;
 271         WAVEFORMATEX *wfx = (WAVEFORMATEX*)pmt->pbFormat;
 272         AM_MEDIA_TYPE* outpmt = &This->tf.pmt;
 273
 274         if (!wfx || wfx->wFormatTag == WAVE_FORMAT_PCM || wfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
 275             return VFW_E_TYPE_NOT_ACCEPTED;
 276         FreeMediaType(outpmt);
 277
 278         This->pWfIn = (LPWAVEFORMATEX)pmt->pbFormat;
 279
 280         /* HACK */
 281         /* TRACE("ALIGN = %d\n", pACMWrapper->pWfIn->nBlockAlign); */
 282         /* pACMWrapper->pWfIn->nBlockAlign = 1; */
 283
 284         /* Set output audio data to PCM */
 285         CopyMediaType(outpmt, pmt);
 286         outpmt->subtype.Data1 = WAVE_FORMAT_PCM;
 287         This->pWfOut = (WAVEFORMATEX*)outpmt->pbFormat;
 288         This->pWfOut->wFormatTag = WAVE_FORMAT_PCM;
 289         This->pWfOut->wBitsPerSample = 16;
 290         This->pWfOut->nBlockAlign = This->pWfOut->wBitsPerSample * This->pWfOut->nChannels / 8;
 291         This->pWfOut->cbSize = 0;
 292         This->pWfOut->nAvgBytesPerSec = This->pWfOut->nChannels * This->pWfOut->nSamplesPerSec
 293                                                 * (This->pWfOut->wBitsPerSample/8);
 294
 295         if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
 296         {
 297             This->has = drv;
 298
 299             TRACE("Connection accepted\n");
 300             return S_OK;
 301         }
 302         else
 303             FIXME("acmStreamOpen returned %d\n", res);
 304         FreeMediaType(outpmt);
 305         TRACE("Unable to find a suitable ACM decompressor\n");
 306     }
 307
 308     TRACE("Connection refused\n");
 309     return VFW_E_TYPE_NOT_ACCEPTED;
 310 }
 311
 312 static HRESULT WINAPI ACMWrapper_CompleteConnect(TransformFilter *tf, PIN_DIRECTION dir, IPin *pin)
 313 {
 314     ACMWrapperImpl* This = impl_from_TransformFilter(tf);
 315     MMRESULT res;
 316     HACMSTREAM drv;
 317
 318     TRACE("(%p)\n", This);
 319
 320     if (dir != PINDIR_INPUT)
 321         return S_OK;
 322
 323     if (!(res = acmStreamOpen(&drv, NULL, This->pWfIn, This->pWfOut, NULL, 0, 0, 0)))
 324     {
 325         This->has = drv;
 326
 327         TRACE("Connection accepted\n");
 328         return S_OK;
 329     }
 330
 331     FIXME("acmStreamOpen returned %d\n", res);
 332     TRACE("Unable to find a suitable ACM decompressor\n");
 333     return VFW_E_TYPE_NOT_ACCEPTED;
 334 }
 335
 336 static HRESULT WINAPI ACMWrapper_BreakConnect(TransformFilter *tf, PIN_DIRECTION dir)
 337 {
 338     ACMWrapperImpl *This = impl_from_TransformFilter(tf);
 339
 340     TRACE("(%p)->(%i)\n", This,dir);
 341
 342     if (dir == PINDIR_INPUT)
 343     {
 344         if (This->has)
 345             acmStreamClose(This->has, 0);
 346
 347         This->has = 0;
 348         This->lasttime_real = This->lasttime_sent = -1;
 349     }
 350
 351     return S_OK;
 352 }
 353
 354 static HRESULT WINAPI ACMWrapper_DecideBufferSize(TransformFilter *tf, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
 355 {
 356     ACMWrapperImpl *pACM = impl_from_TransformFilter(tf);
 357     ALLOCATOR_PROPERTIES actual;
 358
 359     if (!ppropInputRequest->cbAlign)
 360         ppropInputRequest->cbAlign = 1;
 361
 362     if (ppropInputRequest->cbBuffer < pACM->pWfOut->nAvgBytesPerSec / 2)
 363             ppropInputRequest->cbBuffer = pACM->pWfOut->nAvgBytesPerSec / 2;
 364
 365     if (!ppropInputRequest->cBuffers)
 366         ppropInputRequest->cBuffers = 1;
 367
 368     return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
 369 }
 370
 371 static const TransformFilterFuncTable ACMWrapper_FuncsTable = {
 372     ACMWrapper_DecideBufferSize,
 373     NULL,
 374     ACMWrapper_Receive,
 375     NULL,
 376     NULL,
 377     ACMWrapper_SetMediaType,
 378     ACMWrapper_CompleteConnect,
 379     ACMWrapper_BreakConnect,
 380     NULL,
 381     NULL,
 382     NULL,
 383     NULL
 384 };
 385
 386 HRESULT ACMWrapper_create(IUnknown * pUnkOuter, LPVOID * ppv)
 387 {
 388     HRESULT hr;
 389     ACMWrapperImpl* This;
 390
 391     TRACE("(%p, %p)\n", pUnkOuter, ppv);
 392
 393     *ppv = NULL;
 394
 395     if (pUnkOuter)
 396         return CLASS_E_NOAGGREGATION;
 397
 398     hr = TransformFilter_Construct(&ACMWrapper_Vtbl, sizeof(ACMWrapperImpl), &CLSID_ACMWrapper, &ACMWrapper_FuncsTable, (IBaseFilter**)&This);
 399
 400     if (FAILED(hr))
 401         return hr;
 402     else
 403     {
 404         ISeekingPassThru *passthru;
 405         hr = CoCreateInstance(&CLSID_SeekingPassThru, (IUnknown*)This, CLSCTX_INPROC_SERVER, &IID_IUnknown, (void**)&This->seekthru_unk);
 406         IUnknown_QueryInterface(This->seekthru_unk, &IID_ISeekingPassThru, (void**)&passthru);
 407         ISeekingPassThru_Init(passthru, FALSE, This->tf.ppPins[0]);
 408         ISeekingPassThru_Release(passthru);
 409     }
 410
 411     *ppv = This;
 412     This->lasttime_real = This->lasttime_sent = -1;
 413
 414     return hr;
 415 }
 416
 417 static HRESULT WINAPI ACMWrapper_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
 418 {
 419     HRESULT hr;
 420     ACMWrapperImpl *This = impl_from_IBaseFilter(iface);
 421     TRACE("(%p/%p)->(%s, %p)\n", This, iface, qzdebugstr_guid(riid), ppv);
 422
 423     if (IsEqualIID(riid, &IID_IMediaSeeking))
 424         return IUnknown_QueryInterface(This->seekthru_unk, riid, ppv);
 425
 426     hr = TransformFilterImpl_QueryInterface(iface, riid, ppv);
 427
 428     return hr;
 429 }
 430
 431
 432 static const IBaseFilterVtbl ACMWrapper_Vtbl =
 433 {
 434     ACMWrapper_QueryInterface,
 435     BaseFilterImpl_AddRef,
 436     TransformFilterImpl_Release,
 437     BaseFilterImpl_GetClassID,
 438     TransformFilterImpl_Stop,
 439     TransformFilterImpl_Pause,
 440     TransformFilterImpl_Run,
 441     BaseFilterImpl_GetState,
 442     BaseFilterImpl_SetSyncSource,
 443     BaseFilterImpl_GetSyncSource,
 444     BaseFilterImpl_EnumPins,
 445     TransformFilterImpl_FindPin,
 446     BaseFilterImpl_QueryFilterInfo,
 447     BaseFilterImpl_JoinFilterGraph,
 448     BaseFilterImpl_QueryVendorInfo
 449 };