text: /*
   * AVI Decompressor (VFW decompressors wrapper)
   *
   * Copyright 2004-2005 Christian Costa
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include "quartz_private.h"
  #include "pin.h"
  
  #include "uuids.h"
  #include "amvideo.h"
  #include "windef.h"
  #include "winbase.h"
  #include "dshow.h"
  #include "strmif.h"
  #include "vfwmsgs.h"
  #include "vfw.h"
  #include "dvdmedia.h"
  
  #include <assert.h>
  
  #include "wine/debug.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  
  typedef struct AVIDecImpl
  {
      TransformFilter tf;
  
      HIC hvid;
      BITMAPINFOHEADER* pBihIn;
      BITMAPINFOHEADER* pBihOut;
      REFERENCE_TIME late;
  } AVIDecImpl;
  
  static inline AVIDecImpl *impl_from_TransformFilter( TransformFilter *iface )
  {
      return CONTAINING_RECORD(iface, AVIDecImpl, tf);
  }
  
  static HRESULT WINAPI AVIDec_StartStreaming(TransformFilter* pTransformFilter)
  {
      AVIDecImpl* This = impl_from_TransformFilter(pTransformFilter);
      DWORD result;
  
      TRACE("(%p)->()\n", This);
      This->late = -1;
  
      result = ICDecompressBegin(This->hvid, This->pBihIn, This->pBihOut);
      if (result != ICERR_OK)
      {
          ERR("Cannot start processing (%d)\n", result);
  	return E_FAIL;
      }
      return S_OK;
  }
  
  static HRESULT WINAPI AVIDec_EndFlush(TransformFilter *pTransformFilter) {
      AVIDecImpl* This = impl_from_TransformFilter(pTransformFilter);
      This->late = -1;
      return S_OK;
  }
  
  static HRESULT WINAPI AVIDec_NotifyDrop(TransformFilter *pTransformFilter, IBaseFilter *sender, Quality qm) {
      AVIDecImpl *This = impl_from_TransformFilter(pTransformFilter);
  
      EnterCriticalSection(&This->tf.filter.csFilter);
      if (qm.Late > 0)
          This->late = qm.Late + qm.TimeStamp;
      else
          This->late = -1;
      LeaveCriticalSection(&This->tf.filter.csFilter);
      return S_OK;
  }
  
  static int AVIDec_DropSample(AVIDecImpl *This, REFERENCE_TIME tStart) {
      if (This->late < 0)
          return 0;
  
      if (tStart < This->late) {
          TRACE("Dropping sample\n");
          return 1;
      }
      This->late = -1;
      return 0;
  }
  
  static HRESULT WINAPI AVIDec_Receive(TransformFilter *tf, IMediaSample *pSample)
  {
      AVIDecImpl* This = impl_from_TransformFilter(tf);
      HRESULT hr;
      DWORD res;
      IMediaSample* pOutSample = NULL;
      DWORD cbDstStream;
      LPBYTE pbDstStream;
      DWORD cbSrcStream;
      LPBYTE pbSrcStream;
      LONGLONG tStart, tStop;
      DWORD flags = 0;
  
      EnterCriticalSection(&This->tf.csReceive);
      hr = IMediaSample_GetPointer(pSample, &pbSrcStream);
      if (FAILED(hr))
      {
          ERR("Cannot get pointer to sample data (%x)\n", hr);
          goto error;
      }
  
      cbSrcStream = IMediaSample_GetActualDataLength(pSample);
  
      TRACE("Sample data ptr = %p, size = %d\n", pbSrcStream, cbSrcStream);
  
      /* Update input size to match sample size */
      This->pBihIn->biSizeImage = cbSrcStream;
  
      hr = BaseOutputPinImpl_GetDeliveryBuffer(&This->tf.source, &pOutSample, NULL, NULL, 0);
      if (FAILED(hr)) {
          ERR("Unable to get delivery buffer (%x)\n", hr);
          goto error;
      }
  
      hr = IMediaSample_SetActualDataLength(pOutSample, 0);
      assert(hr == S_OK);
  
      hr = IMediaSample_GetPointer(pOutSample, &pbDstStream);
      if (FAILED(hr)) {
  	ERR("Unable to get pointer to buffer (%x)\n", hr);
  	goto error;
      }
      cbDstStream = IMediaSample_GetSize(pOutSample);
      if (cbDstStream < This->pBihOut->biSizeImage) {
          ERR("Sample size is too small %d < %d\n", cbDstStream, This->pBihOut->biSizeImage);
          hr = E_FAIL;
          goto error;
      }
  
      if (IMediaSample_IsPreroll(pSample) == S_OK)
          flags |= ICDECOMPRESS_PREROLL;
      if (IMediaSample_IsSyncPoint(pSample) != S_OK)
          flags |= ICDECOMPRESS_NOTKEYFRAME;
      hr = IMediaSample_GetTime(pSample, &tStart, &tStop);
      if (hr == S_OK && AVIDec_DropSample(This, tStart))
          flags |= ICDECOMPRESS_HURRYUP;
  
      res = ICDecompress(This->hvid, flags, This->pBihIn, pbSrcStream, This->pBihOut, pbDstStream);
      if (res != ICERR_OK)
          ERR("Error occurred during the decompression (%x)\n", res);
  
      /* Drop sample if it's intended to be dropped */
      if (flags & ICDECOMPRESS_HURRYUP) {
          hr = S_OK;
          goto error;
      }
  
      IMediaSample_SetActualDataLength(pOutSample, This->pBihOut->biSizeImage);
  
      IMediaSample_SetPreroll(pOutSample, (IMediaSample_IsPreroll(pSample) == S_OK));
      IMediaSample_SetDiscontinuity(pOutSample, (IMediaSample_IsDiscontinuity(pSample) == S_OK));
      IMediaSample_SetSyncPoint(pOutSample, (IMediaSample_IsSyncPoint(pSample) == S_OK));
  
      if (hr == S_OK)
          IMediaSample_SetTime(pOutSample, &tStart, &tStop);
      else if (hr == VFW_S_NO_STOP_TIME)
          IMediaSample_SetTime(pOutSample, &tStart, NULL);
      else
          IMediaSample_SetTime(pOutSample, NULL, NULL);
  
      if (IMediaSample_GetMediaTime(pSample, &tStart, &tStop) == S_OK)
          IMediaSample_SetMediaTime(pOutSample, &tStart, &tStop);
      else
          IMediaSample_SetMediaTime(pOutSample, NULL, NULL);
  
      LeaveCriticalSection(&This->tf.csReceive);
      hr = BaseOutputPinImpl_Deliver(&This->tf.source, pOutSample);
      EnterCriticalSection(&This->tf.csReceive);
      if (hr != S_OK && hr != VFW_E_NOT_CONNECTED)
          ERR("Error sending sample (%x)\n", hr);
  
  error:
      if (pOutSample)
          IMediaSample_Release(pOutSample);
  
      LeaveCriticalSection(&This->tf.csReceive);
      return hr;
  }
  
  static HRESULT WINAPI AVIDec_StopStreaming(TransformFilter* pTransformFilter)
  {
      AVIDecImpl* This = impl_from_TransformFilter(pTransformFilter);
      DWORD result;
  
      TRACE("(%p)->()\n", This);
  
      if (!This->hvid)
          return S_OK;
  
      result = ICDecompressEnd(This->hvid);
      if (result != ICERR_OK)
      {
          ERR("Cannot stop processing (%d)\n", result);
          return E_FAIL;
      }
      return S_OK;
  }
  
  static HRESULT WINAPI AVIDec_SetMediaType(TransformFilter *tf, PIN_DIRECTION dir, const AM_MEDIA_TYPE * pmt)
  {
      AVIDecImpl* This = impl_from_TransformFilter(tf);
      HRESULT hr = VFW_E_TYPE_NOT_ACCEPTED;
  
      TRACE("(%p)->(%p)\n", This, pmt);
  
      if (dir != PINDIR_INPUT)
          return S_OK;
  
      /* Check root (GUID w/o FOURCC) */
      if ((IsEqualIID(&pmt->majortype, &MEDIATYPE_Video)) &&
          (!memcmp(((const char *)&pmt->subtype)+4, ((const char *)&MEDIATYPE_Video)+4, sizeof(GUID)-4)))
      {
          VIDEOINFOHEADER *format1 = (VIDEOINFOHEADER *)pmt->pbFormat;
          VIDEOINFOHEADER2 *format2 = (VIDEOINFOHEADER2 *)pmt->pbFormat;
          BITMAPINFOHEADER *bmi;
  
          if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo))
              bmi = &format1->bmiHeader;
          else if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo2))
              bmi = &format2->bmiHeader;
          else
              goto failed;
          TRACE("Fourcc: %s\n", debugstr_an((const char *)&pmt->subtype.Data1, 4));
  
          This->hvid = ICLocate(pmt->majortype.Data1, pmt->subtype.Data1, bmi, NULL, ICMODE_DECOMPRESS);
          if (This->hvid)
          {
              AM_MEDIA_TYPE* outpmt = &This->tf.pmt;
              const CLSID* outsubtype;
              DWORD bih_size;
              DWORD output_depth = bmi->biBitCount;
              DWORD result;
              FreeMediaType(outpmt);
  
              switch(bmi->biBitCount)
              {
                  case 32: outsubtype = &MEDIASUBTYPE_RGB32; break;
                  case 24: outsubtype = &MEDIASUBTYPE_RGB24; break;
                  case 16: outsubtype = &MEDIASUBTYPE_RGB565; break;
                  case 8:  outsubtype = &MEDIASUBTYPE_RGB8; break;
                  default:
                      WARN("Non standard input depth %d, forced output depth to 32\n", bmi->biBitCount);
                      outsubtype = &MEDIASUBTYPE_RGB32;
                      output_depth = 32;
                      break;
              }
  
              /* Copy bitmap header from media type to 1 for input and 1 for output */
              bih_size = bmi->biSize + bmi->biClrUsed * 4;
              This->pBihIn = CoTaskMemAlloc(bih_size);
              if (!This->pBihIn)
              {
                  hr = E_OUTOFMEMORY;
                  goto failed;
              }
              This->pBihOut = CoTaskMemAlloc(bih_size);
              if (!This->pBihOut)
              {
                  hr = E_OUTOFMEMORY;
                  goto failed;
              }
              memcpy(This->pBihIn, bmi, bih_size);
              memcpy(This->pBihOut, bmi, bih_size);
  
              /* Update output format as non compressed bitmap */
              This->pBihOut->biCompression = 0;
              This->pBihOut->biBitCount = output_depth;
              This->pBihOut->biSizeImage = This->pBihOut->biWidth * This->pBihOut->biHeight * This->pBihOut->biBitCount / 8;
              TRACE("Size: %u\n", This->pBihIn->biSize);
              result = ICDecompressQuery(This->hvid, This->pBihIn, This->pBihOut);
              if (result != ICERR_OK)
              {
                  ERR("Unable to found a suitable output format (%d)\n", result);
                  goto failed;
              }
  
              /* Update output media type */
              CopyMediaType(outpmt, pmt);
              outpmt->subtype = *outsubtype;
  
              if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo))
                  memcpy(&(((VIDEOINFOHEADER *)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
              else if (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo2))
                  memcpy(&(((VIDEOINFOHEADER2 *)outpmt->pbFormat)->bmiHeader), This->pBihOut, This->pBihOut->biSize);
              else
                  assert(0);
  
              TRACE("Connection accepted\n");
              return S_OK;
          }
          TRACE("Unable to find a suitable VFW decompressor\n");
      }
  
  failed:
  
      TRACE("Connection refused\n");
      return hr;
  }
  
  static HRESULT WINAPI AVIDec_CompleteConnect(TransformFilter *tf, PIN_DIRECTION dir, IPin *pin)
  {
      AVIDecImpl* This = impl_from_TransformFilter(tf);
  
      TRACE("(%p)\n", This);
  
      return S_OK;
  }
  
  static HRESULT WINAPI AVIDec_BreakConnect(TransformFilter *tf, PIN_DIRECTION dir)
  {
      AVIDecImpl *This = impl_from_TransformFilter(tf);
  
      TRACE("(%p)->()\n", This);
  
      if (dir == PINDIR_INPUT)
      {
          if (This->hvid)
              ICClose(This->hvid);
          CoTaskMemFree(This->pBihIn);
          CoTaskMemFree(This->pBihOut);
          This->hvid = NULL;
          This->pBihIn = NULL;
          This->pBihOut = NULL;
      }
  
      return S_OK;
  }
  
  static HRESULT WINAPI AVIDec_DecideBufferSize(TransformFilter *tf, IMemAllocator *pAlloc, ALLOCATOR_PROPERTIES *ppropInputRequest)
  {
      AVIDecImpl *pAVI = impl_from_TransformFilter(tf);
      ALLOCATOR_PROPERTIES actual;
  
      if (!ppropInputRequest->cbAlign)
          ppropInputRequest->cbAlign = 1;
  
      if (ppropInputRequest->cbBuffer < pAVI->pBihOut->biSizeImage)
              ppropInputRequest->cbBuffer = pAVI->pBihOut->biSizeImage;
  
      if (!ppropInputRequest->cBuffers)
          ppropInputRequest->cBuffers = 1;
  
      return IMemAllocator_SetProperties(pAlloc, ppropInputRequest, &actual);
  }
  
  static const TransformFilterFuncTable AVIDec_FuncsTable = {
      AVIDec_DecideBufferSize,
      AVIDec_StartStreaming,
      AVIDec_Receive,
      AVIDec_StopStreaming,
      NULL,
      AVIDec_SetMediaType,
      AVIDec_CompleteConnect,
      AVIDec_BreakConnect,
      NULL,
      NULL,
      AVIDec_EndFlush,
      NULL,
      AVIDec_NotifyDrop
  };
  
  HRESULT AVIDec_create(IUnknown *outer, void **out)
  {
      HRESULT hr;
      AVIDecImpl * This;
  
      *out = NULL;
  
      hr = strmbase_transform_create(sizeof(AVIDecImpl), outer, &CLSID_AVIDec,
              &AVIDec_FuncsTable, (IBaseFilter **)&This);
  
      if (FAILED(hr))
          return hr;
  
      This->hvid = NULL;
      This->pBihIn = NULL;
      This->pBihOut = NULL;
  
      *out = &This->tf.filter.IUnknown_inner;
  
      return hr;
  }
  