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