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