text: /*
   * Copyright (C) 2013 Piotr Caban for CodeWeavers
   *
   * 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 <stdarg.h>
  #include <stdio.h>
  
  #define COBJMACROS
  
  #include "windef.h"
  #include "winbase.h"
  #include "wtypes.h"
  #include "dshow.h"
  #include "vfw.h"
  #include "aviriff.h"
  
  #include "qcap_main.h"
  
  #include "wine/debug.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(qcap);
  
  #define MAX_PIN_NO 128
  #define AVISUPERINDEX_ENTRIES 2000
  #define AVISTDINDEX_ENTRIES 4000
  #define ALIGN(x) ((x+1)/2*2)
  
  typedef struct {
      BaseOutputPin pin;
      IQualityControl IQualityControl_iface;
  
      int cur_stream;
      LONGLONG cur_time;
  
      int buf_pos;
      BYTE buf[65536];
  
      int movi_off;
      int out_pos;
      int size;
      IStream *stream;
  } AviMuxOut;
  
  typedef struct {
      BaseInputPin pin;
      IAMStreamControl IAMStreamControl_iface;
      IPropertyBag IPropertyBag_iface;
      IQualityControl IQualityControl_iface;
  
      REFERENCE_TIME avg_time_per_frame;
      REFERENCE_TIME stop;
      int stream_id;
      LONGLONG stream_time;
  
      /* strl chunk */
      AVISTREAMHEADER strh;
      struct {
          FOURCC fcc;
          DWORD cb;
          BYTE data[1];
      } *strf;
      AVISUPERINDEX *indx;
      BYTE indx_data[FIELD_OFFSET(AVISUPERINDEX, aIndex[AVISUPERINDEX_ENTRIES])];
  
      /* movi chunk */
      int ix_off;
      AVISTDINDEX *ix;
      BYTE ix_data[FIELD_OFFSET(AVISTDINDEX, aIndex[AVISTDINDEX_ENTRIES])];
  
      IMediaSample *samples_head;
      IMemAllocator *samples_allocator;
  } AviMuxIn;
  
  typedef struct {
      BaseFilter filter;
      IConfigAviMux IConfigAviMux_iface;
      IConfigInterleaving IConfigInterleaving_iface;
      IMediaSeeking IMediaSeeking_iface;
      IPersistMediaPropertyBag IPersistMediaPropertyBag_iface;
      ISpecifyPropertyPages ISpecifyPropertyPages_iface;
  
      InterleavingMode mode;
      REFERENCE_TIME interleave;
      REFERENCE_TIME preroll;
  
      AviMuxOut *out;
      int input_pin_no;
      AviMuxIn *in[MAX_PIN_NO-1];
  
      REFERENCE_TIME start, stop;
      AVIMAINHEADER avih;
  
      int idx1_entries;
      int idx1_size;
      AVIINDEXENTRY *idx1;
  } AviMux;
  
  static HRESULT create_input_pin(AviMux*);
  
  static inline AviMux* impl_from_BaseFilter(BaseFilter *filter)
  {
      return CONTAINING_RECORD(filter, AviMux, filter);
  }
  
  static IPin* WINAPI AviMux_GetPin(BaseFilter *iface, int pos)
  {
      AviMux *This = impl_from_BaseFilter(iface);
  
      TRACE("(%p)->(%d)\n", This, pos);
  
      if(pos == 0) {
          IPin_AddRef(&This->out->pin.pin.IPin_iface);
          return &This->out->pin.pin.IPin_iface;
      }else if(pos>0 && pos<=This->input_pin_no) {
          IPin_AddRef(&This->in[pos-1]->pin.pin.IPin_iface);
          return &This->in[pos-1]->pin.pin.IPin_iface;
      }
  
      return NULL;
  }
  
  static LONG WINAPI AviMux_GetPinCount(BaseFilter *iface)
  {
      AviMux *This = impl_from_BaseFilter(iface);
      TRACE("(%p)\n", This);
      return This->input_pin_no+1;
  }
  
  static const BaseFilterFuncTable filter_func_table = {
      AviMux_GetPin,
      AviMux_GetPinCount
  };
  
  static inline AviMux* impl_from_IBaseFilter(IBaseFilter *iface)
  {
      BaseFilter *filter = CONTAINING_RECORD(iface, BaseFilter, IBaseFilter_iface);
      return impl_from_BaseFilter(filter);
  }
  
  static HRESULT WINAPI AviMux_QueryInterface(IBaseFilter *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
  
      TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
  
      if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IPersist) ||
              IsEqualIID(riid, &IID_IMediaFilter) || IsEqualIID(riid, &IID_IBaseFilter))
          *ppv = &This->filter.IBaseFilter_iface;
      else if(IsEqualIID(riid, &IID_IConfigAviMux))
          *ppv = &This->IConfigAviMux_iface;
      else if(IsEqualIID(riid, &IID_IConfigInterleaving))
          *ppv = &This->IConfigInterleaving_iface;
      else if(IsEqualIID(riid, &IID_IMediaSeeking))
          *ppv = &This->IMediaSeeking_iface;
      else if(IsEqualIID(riid, &IID_IPersistMediaPropertyBag))
          *ppv = &This->IPersistMediaPropertyBag_iface;
      else if(IsEqualIID(riid, &IID_ISpecifyPropertyPages))
          *ppv = &This->ISpecifyPropertyPages_iface;
      else {
          FIXME("no interface for %s\n", debugstr_guid(riid));
          *ppv = NULL;
          return E_NOINTERFACE;
      }
  
      IUnknown_AddRef((IUnknown*)*ppv);
      return S_OK;
  }
  
  static ULONG WINAPI AviMux_Release(IBaseFilter *iface)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      ULONG ref = BaseFilterImpl_Release(iface);
  
      TRACE("(%p) new refcount: %u\n", This, ref);
  
      if(!ref) {
          int i;
  
          BaseOutputPinImpl_Release(&This->out->pin.pin.IPin_iface);
  
          for(i=0; i<This->input_pin_no; i++) {
              IPin_Disconnect(&This->in[i]->pin.pin.IPin_iface);
              IMemAllocator_Release(This->in[i]->samples_allocator);
              This->in[i]->samples_allocator = NULL;
              BaseInputPinImpl_Release(&This->in[i]->pin.pin.IPin_iface);
          }
  
          HeapFree(GetProcessHeap(), 0, This->idx1);
          HeapFree(GetProcessHeap(), 0, This);
          ObjectRefCount(FALSE);
      }
      return ref;
  }
  
  static HRESULT out_flush(AviMux *This)
  {
      ULONG written;
      HRESULT hr;
  
      if(!This->out->buf_pos)
          return S_OK;
  
      hr = IStream_Write(This->out->stream, This->out->buf, This->out->buf_pos, &written);
      if(FAILED(hr))
          return hr;
      if(written != This->out->buf_pos)
          return E_FAIL;
  
      This->out->buf_pos = 0;
      return S_OK;
  }
  
  static HRESULT out_seek(AviMux *This, int pos)
  {
      LARGE_INTEGER li;
      HRESULT hr;
  
      hr = out_flush(This);
      if(FAILED(hr))
          return hr;
  
      li.QuadPart = pos;
      hr = IStream_Seek(This->out->stream, li, STREAM_SEEK_SET, NULL);
      if(FAILED(hr))
          return hr;
  
      This->out->out_pos = pos;
      if(This->out->out_pos > This->out->size)
          This->out->size = This->out->out_pos;
      return hr;
  }
  
  static HRESULT out_write(AviMux *This, const void *data, int size)
  {
      int chunk_size;
      HRESULT hr;
  
      while(1) {
          if(size > sizeof(This->out->buf)-This->out->buf_pos)
              chunk_size = sizeof(This->out->buf)-This->out->buf_pos;
          else
              chunk_size = size;
  
          memcpy(This->out->buf + This->out->buf_pos, data, chunk_size);
          size -= chunk_size;
          data = (const BYTE*)data + chunk_size;
          This->out->buf_pos += chunk_size;
          This->out->out_pos += chunk_size;
          if(This->out->out_pos > This->out->size)
              This->out->size = This->out->out_pos;
  
          if(!size)
              break;
          hr = out_flush(This);
          if(FAILED(hr))
              return hr;
      }
  
      return S_OK;
  }
  
  static inline HRESULT idx1_add_entry(AviMux *avimux, DWORD ckid, DWORD flags, DWORD off, DWORD len)
  {
      if(avimux->idx1_entries == avimux->idx1_size) {
          AVIINDEXENTRY *new_idx = HeapReAlloc(GetProcessHeap(), 0, avimux->idx1,
                  sizeof(*avimux->idx1)*2*avimux->idx1_size);
          if(!new_idx)
              return E_OUTOFMEMORY;
  
          avimux->idx1_size *= 2;
          avimux->idx1 = new_idx;
      }
  
      avimux->idx1[avimux->idx1_entries].ckid = ckid;
      avimux->idx1[avimux->idx1_entries].dwFlags = flags;
      avimux->idx1[avimux->idx1_entries].dwChunkOffset = off;
      avimux->idx1[avimux->idx1_entries].dwChunkLength = len;
      avimux->idx1_entries++;
      return S_OK;
  }
  
  static HRESULT flush_queue(AviMux *avimux, AviMuxIn *avimuxin, BOOL closing)
  {
      IMediaSample *sample, **prev, **head_prev;
      BYTE *data;
      RIFFCHUNK rf;
      DWORD size;
      DWORD flags;
      HRESULT hr;
  
      if(avimux->out->cur_stream != avimuxin->stream_id)
          return S_OK;
  
      while(avimuxin->samples_head) {
          hr = IMediaSample_GetPointer(avimuxin->samples_head, (BYTE**)&head_prev);
          if(FAILED(hr))
              return hr;
          head_prev--;
  
          hr = IMediaSample_GetPointer(*head_prev, (BYTE**)&prev);
          if(FAILED(hr))
              return hr;
          prev--;
  
          sample = *head_prev;
          size = IMediaSample_GetActualDataLength(sample);
          hr = IMediaSample_GetPointer(sample, &data);
          if(FAILED(hr))
              return hr;
          flags = IMediaSample_IsDiscontinuity(sample)==S_OK ? AM_SAMPLE_TIMEDISCONTINUITY : 0;
          if(IMediaSample_IsSyncPoint(sample) == S_OK)
              flags |= AM_SAMPLE_SPLICEPOINT;
  
          if(avimuxin->stream_time + (closing ? 0 : avimuxin->strh.dwScale) > avimux->out->cur_time &&
                  !(flags & AM_SAMPLE_TIMEDISCONTINUITY)) {
              if(closing)
                  break;
  
              avimux->out->cur_stream++;
              if(avimux->out->cur_stream >= avimux->input_pin_no-1) {
                  avimux->out->cur_time += avimux->interleave;
                  avimux->out->cur_stream = 0;
              }
              avimuxin = avimux->in[avimux->out->cur_stream];
              continue;
          }
  
          if(avimuxin->ix->nEntriesInUse == AVISTDINDEX_ENTRIES) {
              /* TODO: use output pins Deliver/Receive method */
              hr = out_seek(avimux, avimuxin->ix_off);
              if(FAILED(hr))
                  return hr;
              hr = out_write(avimux, avimuxin->ix, sizeof(avimuxin->ix_data));
              if(FAILED(hr))
                  return hr;
  
              avimuxin->indx->aIndex[avimuxin->indx->nEntriesInUse].qwOffset = avimuxin->ix_off;
              avimuxin->indx->aIndex[avimuxin->indx->nEntriesInUse].dwSize = sizeof(avimuxin->ix_data);
              avimuxin->indx->aIndex[avimuxin->indx->nEntriesInUse].dwDuration = AVISTDINDEX_ENTRIES;
              avimuxin->indx->nEntriesInUse++;
  
              memset(avimuxin->ix->aIndex, 0, sizeof(avimuxin->ix->aIndex)*avimuxin->ix->nEntriesInUse);
              avimuxin->ix->nEntriesInUse = 0;
              avimuxin->ix->qwBaseOffset = 0;
  
              avimuxin->ix_off = avimux->out->size;
              avimux->out->size += sizeof(avimuxin->ix_data);
          }
  
          if(*head_prev == avimuxin->samples_head)
              avimuxin->samples_head = NULL;
          else
              *head_prev = *prev;
  
          avimuxin->stream_time += avimuxin->strh.dwScale;
          avimuxin->strh.dwLength++;
          if(!(flags & AM_SAMPLE_TIMEDISCONTINUITY)) {
              if(!avimuxin->ix->qwBaseOffset)
                  avimuxin->ix->qwBaseOffset = avimux->out->size;
              avimuxin->ix->aIndex[avimuxin->ix->nEntriesInUse].dwOffset = avimux->out->size
                  + sizeof(RIFFCHUNK) - avimuxin->ix->qwBaseOffset;
  
              hr = out_seek(avimux, avimux->out->size);
              if(FAILED(hr)) {
                  IMediaSample_Release(sample);
                  return hr;
              }
          }
          avimuxin->ix->aIndex[avimuxin->ix->nEntriesInUse].dwSize = size |
              (flags & AM_SAMPLE_SPLICEPOINT ? 0 : AVISTDINDEX_DELTAFRAME);
          avimuxin->ix->nEntriesInUse++;
  
          rf.fcc = FCC('0'+avimuxin->stream_id/10, '0'+avimuxin->stream_id%10,
                  'd', flags & AM_SAMPLE_SPLICEPOINT ? 'b' : 'c');
          rf.cb = size;
          hr = idx1_add_entry(avimux, rf.fcc, flags & AM_SAMPLE_SPLICEPOINT ? AVIIF_KEYFRAME : 0,
                  flags & AM_SAMPLE_TIMEDISCONTINUITY ?
                  avimux->idx1[avimux->idx1_entries-1].dwChunkOffset : avimux->out->size, size);
          if(FAILED(hr)) {
              IMediaSample_Release(sample);
              return hr;
          }
  
          if(!(flags & AM_SAMPLE_TIMEDISCONTINUITY)) {
              hr = out_write(avimux, &rf, sizeof(rf));
              if(FAILED(hr)) {
                  IMediaSample_Release(sample);
                  return hr;
              }
              hr = out_write(avimux, data, size);
              if(FAILED(hr)) {
                  IMediaSample_Release(sample);
                  return hr;
              }
              flags = 0;
              hr = out_write(avimux, &flags, ALIGN(rf.cb)-rf.cb);
              if(FAILED(hr)) {
                  IMediaSample_Release(sample);
                  return hr;
              }
          }
          IMediaSample_Release(sample);
      }
      return S_OK;
  }
  
  static HRESULT queue_sample(AviMux *avimux, AviMuxIn *avimuxin, IMediaSample *sample)
  {
      IMediaSample **prev, **head_prev;
      HRESULT hr;
  
      hr = IMediaSample_GetPointer(sample, (BYTE**)&prev);
      if(FAILED(hr))
          return hr;
      prev--;
  
      if(avimuxin->samples_head) {
          hr = IMediaSample_GetPointer(avimuxin->samples_head, (BYTE**)&head_prev);
          if(FAILED(hr))
              return hr;
          head_prev--;
  
          *prev = *head_prev;
          *head_prev = sample;
      }else {
          *prev = sample;
      }
      avimuxin->samples_head = sample;
      IMediaSample_AddRef(sample);
  
      return flush_queue(avimux, avimuxin, FALSE);
  }
  
  static HRESULT WINAPI AviMux_Stop(IBaseFilter *iface)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      HRESULT hr;
      int i;
  
      TRACE("(%p)\n", This);
  
      if(This->filter.state == State_Stopped)
          return S_OK;
  
      if(This->out->stream) {
          AVIEXTHEADER dmlh;
          RIFFCHUNK rc;
          RIFFLIST rl;
          int idx1_off, empty_stream;
  
          empty_stream = This->out->cur_stream;
          for(i=empty_stream+1; ; i++) {
              if(i >= This->input_pin_no-1)
                  i = 0;
              if(i == empty_stream)
                  break;
  
              This->out->cur_stream = i;
              hr = flush_queue(This, This->in[This->out->cur_stream], TRUE);
              if(FAILED(hr))
                  return hr;
          }
  
          idx1_off = This->out->size;
          rc.fcc = ckidAVIOLDINDEX;
          rc.cb = This->idx1_entries * sizeof(*This->idx1);
          hr = out_write(This, &rc, sizeof(rc));
          if(FAILED(hr))
              return hr;
          hr = out_write(This, This->idx1, This->idx1_entries * sizeof(*This->idx1));
          if(FAILED(hr))
              return hr;
          /* native writes 8 '\0' characters after the end of RIFF data */
          i = 0;
          hr = out_write(This, &i, sizeof(i));
          if(FAILED(hr))
              return hr;
          hr = out_write(This, &i, sizeof(i));
          if(FAILED(hr))
              return hr;
  
          for(i=0; i<This->input_pin_no; i++) {
              if(!This->in[i]->pin.pin.pConnectedTo)
                  continue;
  
              hr = out_seek(This, This->in[i]->ix_off);
              if(FAILED(hr))
                  return hr;
  
              This->in[i]->indx->aIndex[This->in[i]->indx->nEntriesInUse].qwOffset = This->in[i]->ix_off;
              This->in[i]->indx->aIndex[This->in[i]->indx->nEntriesInUse].dwSize = sizeof(This->in[i]->ix_data);
              This->in[i]->indx->aIndex[This->in[i]->indx->nEntriesInUse].dwDuration = This->in[i]->strh.dwLength;
              if(This->in[i]->indx->nEntriesInUse) {
                  This->in[i]->indx->aIndex[This->in[i]->indx->nEntriesInUse].dwDuration -=
                      This->in[i]->indx->aIndex[This->in[i]->indx->nEntriesInUse-1].dwDuration;
              }
              This->in[i]->indx->nEntriesInUse++;
              hr = out_write(This, This->in[i]->ix, sizeof(This->in[i]->ix_data));
              if(FAILED(hr))
                  return hr;
          }
  
          hr = out_seek(This, 0);
          if(FAILED(hr))
              return hr;
  
          rl.fcc = FCC('R','I','F','F');
          rl.cb = This->out->size-sizeof(RIFFCHUNK)-2*sizeof(int);
          rl.fccListType = FCC('A','V','I',' ');
          hr = out_write(This, &rl, sizeof(rl));
          if(FAILED(hr))
              return hr;
  
          rl.fcc = FCC('L','I','S','T');
          rl.cb = This->out->movi_off - sizeof(RIFFLIST) - sizeof(RIFFCHUNK);
          rl.fccListType = FCC('h','d','r','l');
          hr = out_write(This, &rl, sizeof(rl));
          if(FAILED(hr))
              return hr;
  
          /* FIXME: set This->avih.dwMaxBytesPerSec value */
          This->avih.dwTotalFrames = (This->stop-This->start) / 10 / This->avih.dwMicroSecPerFrame;
          hr = out_write(This, &This->avih, sizeof(This->avih));
          if(FAILED(hr))
              return hr;
  
          for(i=0; i<This->input_pin_no; i++) {
              if(!This->in[i]->pin.pin.pConnectedTo)
                  continue;
  
              rl.cb = sizeof(FOURCC) + sizeof(AVISTREAMHEADER) + sizeof(RIFFCHUNK) +
                  This->in[i]->strf->cb + sizeof(This->in[i]->indx_data);
              rl.fccListType = ckidSTREAMLIST;
              hr = out_write(This, &rl, sizeof(rl));
              if(FAILED(hr))
                  return hr;
  
              hr = out_write(This, &This->in[i]->strh, sizeof(AVISTREAMHEADER));
              if(FAILED(hr))
                  return hr;
  
              hr = out_write(This, This->in[i]->strf, sizeof(RIFFCHUNK) + This->in[i]->strf->cb);
              if(FAILED(hr))
                  return hr;
  
              hr = out_write(This, This->in[i]->indx, sizeof(This->in[i]->indx_data));
              if(FAILED(hr))
                  return hr;
          }
  
          rl.cb = sizeof(dmlh) + sizeof(FOURCC);
          rl.fccListType = ckidODML;
          hr = out_write(This, &rl, sizeof(rl));
          if(FAILED(hr))
              return hr;
  
          memset(&dmlh, 0, sizeof(dmlh));
          dmlh.fcc = ckidAVIEXTHEADER;
          dmlh.cb = sizeof(dmlh) - sizeof(RIFFCHUNK);
          dmlh.dwGrandFrames = This->in[0]->strh.dwLength;
          hr = out_write(This, &dmlh, sizeof(dmlh));
  
          rl.cb = idx1_off - This->out->movi_off - sizeof(RIFFCHUNK);
          rl.fccListType = FCC('m','o','v','i');
          out_write(This, &rl, sizeof(rl));
          out_flush(This);
  
          IStream_Release(This->out->stream);
          This->out->stream = NULL;
      }
  
      This->filter.state = State_Stopped;
      return S_OK;
  }
  
  static HRESULT WINAPI AviMux_Pause(IBaseFilter *iface)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      FIXME("(%p)\n", This);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMux_Run(IBaseFilter *iface, REFERENCE_TIME tStart)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      HRESULT hr;
      int i, stream_id;
  
      TRACE("(%p)->(0x%x%08x)\n", This, (ULONG)(tStart >> 32), (ULONG)tStart);
  
      if(This->filter.state == State_Running)
          return S_OK;
  
      if(This->mode != INTERLEAVE_FULL) {
          FIXME("mode not supported (%d)\n", This->mode);
          return E_NOTIMPL;
      }
  
      if(tStart)
          FIXME("tStart parameter ignored\n");
  
      for(i=0; i<This->input_pin_no; i++) {
          IMediaSeeking *ms;
          LONGLONG cur, stop;
  
          if(!This->in[i]->pin.pin.pConnectedTo)
              continue;
  
          hr = IPin_QueryInterface(This->in[i]->pin.pin.pConnectedTo,
                  &IID_IMediaSeeking, (void**)&ms);
          if(FAILED(hr))
              continue;
  
          hr = IMediaSeeking_GetPositions(ms, &cur, &stop);
          if(FAILED(hr)) {
              IMediaSeeking_Release(ms);
              continue;
          }
  
          FIXME("Use IMediaSeeking to fill stream header\n");
          IMediaSeeking_Release(ms);
      }
  
      if(This->out->pin.pMemInputPin) {
          hr = IMemInputPin_QueryInterface(This->out->pin.pMemInputPin,
                  &IID_IStream, (void**)&This->out->stream);
          if(FAILED(hr))
              return hr;
      }
  
      This->idx1_entries = 0;
      if(!This->idx1_size) {
          This->idx1_size = 1024;
          This->idx1 = HeapAlloc(GetProcessHeap(), 0, sizeof(*This->idx1)*This->idx1_size);
          if(!This->idx1)
              return E_OUTOFMEMORY;
      }
  
      This->out->size = 3*sizeof(RIFFLIST) + sizeof(AVIMAINHEADER) + sizeof(AVIEXTHEADER);
      This->start = -1;
      This->stop = -1;
      memset(&This->avih, 0, sizeof(This->avih));
      for(i=0; i<This->input_pin_no; i++) {
          if(!This->in[i]->pin.pin.pConnectedTo)
              continue;
  
          This->avih.dwStreams++;
          This->out->size += sizeof(RIFFLIST) + sizeof(AVISTREAMHEADER) + sizeof(RIFFCHUNK)
              + This->in[i]->strf->cb + sizeof(This->in[i]->indx_data);
  
          This->in[i]->strh.dwScale = MulDiv(This->in[i]->avg_time_per_frame, This->interleave, 10000000);
          This->in[i]->strh.dwRate = This->interleave;
  
          hr = IMemAllocator_Commit(This->in[i]->pin.pAllocator);
          if(FAILED(hr)) {
              if(This->out->stream) {
                  IStream_Release(This->out->stream);
                  This->out->stream = NULL;
              }
              return hr;
          }
      }
  
      This->out->movi_off = This->out->size;
      This->out->size += sizeof(RIFFLIST);
  
      idx1_add_entry(This, FCC('7','F','x','x'), 0, This->out->movi_off+sizeof(RIFFLIST), 0);
  
      stream_id = 0;
      for(i=0; i<This->input_pin_no; i++) {
          if(!This->in[i]->pin.pin.pConnectedTo)
              continue;
  
          This->in[i]->ix_off = This->out->size;
          This->out->size += sizeof(This->in[i]->ix_data);
          This->in[i]->ix->fcc = FCC('i','x','0'+stream_id/10,'0'+stream_id%10);
          This->in[i]->ix->cb = sizeof(This->in[i]->ix_data) - sizeof(RIFFCHUNK);
          This->in[i]->ix->wLongsPerEntry = 2;
          This->in[i]->ix->bIndexSubType = 0;
          This->in[i]->ix->bIndexType = AVI_INDEX_OF_CHUNKS;
          This->in[i]->ix->dwChunkId = FCC('0'+stream_id/10,'0'+stream_id%10,'d','b');
          This->in[i]->ix->qwBaseOffset = 0;
  
          This->in[i]->indx->fcc = ckidAVISUPERINDEX;
          This->in[i]->indx->cb = sizeof(This->in[i]->indx_data) - sizeof(RIFFCHUNK);
          This->in[i]->indx->wLongsPerEntry = 4;
          This->in[i]->indx->bIndexSubType = 0;
          This->in[i]->indx->bIndexType = AVI_INDEX_OF_INDEXES;
          This->in[i]->indx->dwChunkId = This->in[i]->ix->dwChunkId;
          This->in[i]->stream_id = stream_id++;
      }
  
      This->out->buf_pos = 0;
      This->out->out_pos = 0;
  
      This->avih.fcc = ckidMAINAVIHEADER;
      This->avih.cb = sizeof(AVIMAINHEADER) - sizeof(RIFFCHUNK);
      /* TODO: Use first video stream */
      This->avih.dwMicroSecPerFrame = This->in[0]->avg_time_per_frame/10;
      This->avih.dwPaddingGranularity = 1;
      This->avih.dwFlags = AVIF_TRUSTCKTYPE | AVIF_HASINDEX;
      This->avih.dwWidth = ((BITMAPINFOHEADER*)This->in[0]->strf->data)->biWidth;
      This->avih.dwHeight = ((BITMAPINFOHEADER*)This->in[0]->strf->data)->biHeight;
  
      This->filter.state = State_Running;
      return S_OK;
  }
  
  static HRESULT WINAPI AviMux_EnumPins(IBaseFilter *iface, IEnumPins **ppEnum)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      TRACE("(%p)->(%p)\n", This, ppEnum);
      return BaseFilterImpl_EnumPins(iface, ppEnum);
  }
  
  static HRESULT WINAPI AviMux_FindPin(IBaseFilter *iface, LPCWSTR Id, IPin **ppPin)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      int i;
  
      TRACE("(%p)->(%s %p)\n", This, debugstr_w(Id), ppPin);
  
      if(!Id || !ppPin)
          return E_POINTER;
  
      if(!lstrcmpiW(Id, This->out->pin.pin.pinInfo.achName)) {
          IPin_AddRef(&This->out->pin.pin.IPin_iface);
          *ppPin = &This->out->pin.pin.IPin_iface;
          return S_OK;
      }
  
      for(i=0; i<This->input_pin_no; i++) {
          if(lstrcmpiW(Id, This->in[i]->pin.pin.pinInfo.achName))
              continue;
  
          IPin_AddRef(&This->in[i]->pin.pin.IPin_iface);
          *ppPin = &This->in[i]->pin.pin.IPin_iface;
          return S_OK;
      }
  
      return VFW_E_NOT_FOUND;
  }
  
  static HRESULT WINAPI AviMux_QueryFilterInfo(IBaseFilter *iface, FILTER_INFO *pInfo)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      FIXME("(%p)->(%p)\n", This, pInfo);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMux_QueryVendorInfo(IBaseFilter *iface, LPWSTR *pVendorInfo)
  {
      AviMux *This = impl_from_IBaseFilter(iface);
      FIXME("(%p)->(%p)\n", This, pVendorInfo);
      return E_NOTIMPL;
  }
  
  static const IBaseFilterVtbl AviMuxVtbl = {
      AviMux_QueryInterface,
      BaseFilterImpl_AddRef,
      AviMux_Release,
      BaseFilterImpl_GetClassID,
      AviMux_Stop,
      AviMux_Pause,
      AviMux_Run,
      BaseFilterImpl_GetState,
      BaseFilterImpl_SetSyncSource,
      BaseFilterImpl_GetSyncSource,
      AviMux_EnumPins,
      AviMux_FindPin,
      AviMux_QueryFilterInfo,
      BaseFilterImpl_JoinFilterGraph,
      AviMux_QueryVendorInfo
  };
  
  static inline AviMux* impl_from_IConfigAviMux(IConfigAviMux *iface)
  {
      return CONTAINING_RECORD(iface, AviMux, IConfigAviMux_iface);
  }
  
  static HRESULT WINAPI ConfigAviMux_QueryInterface(
          IConfigAviMux *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
  }
  
  static ULONG WINAPI ConfigAviMux_AddRef(IConfigAviMux *iface)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI ConfigAviMux_Release(IConfigAviMux *iface)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI ConfigAviMux_SetMasterStream(IConfigAviMux *iface, LONG iStream)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      FIXME("(%p)->(%d)\n", This, iStream);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI ConfigAviMux_GetMasterStream(IConfigAviMux *iface, LONG *pStream)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      FIXME("(%p)->(%p)\n", This, pStream);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI ConfigAviMux_SetOutputCompatibilityIndex(
          IConfigAviMux *iface, BOOL fOldIndex)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      FIXME("(%p)->(%x)\n", This, fOldIndex);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI ConfigAviMux_GetOutputCompatibilityIndex(
          IConfigAviMux *iface, BOOL *pfOldIndex)
  {
      AviMux *This = impl_from_IConfigAviMux(iface);
      FIXME("(%p)->(%p)\n", This, pfOldIndex);
      return E_NOTIMPL;
  }
  
  static const IConfigAviMuxVtbl ConfigAviMuxVtbl = {
      ConfigAviMux_QueryInterface,
      ConfigAviMux_AddRef,
      ConfigAviMux_Release,
      ConfigAviMux_SetMasterStream,
      ConfigAviMux_GetMasterStream,
      ConfigAviMux_SetOutputCompatibilityIndex,
      ConfigAviMux_GetOutputCompatibilityIndex
  };
  
  static inline AviMux* impl_from_IConfigInterleaving(IConfigInterleaving *iface)
  {
      return CONTAINING_RECORD(iface, AviMux, IConfigInterleaving_iface);
  }
  
  static HRESULT WINAPI ConfigInterleaving_QueryInterface(
          IConfigInterleaving *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
      return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
  }
  
  static ULONG WINAPI ConfigInterleaving_AddRef(IConfigInterleaving *iface)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI ConfigInterleaving_Release(IConfigInterleaving *iface)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI ConfigInterleaving_put_Mode(
          IConfigInterleaving *iface, InterleavingMode mode)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
  
      TRACE("(%p)->(%d)\n", This, mode);
  
      if(mode>INTERLEAVE_NONE_BUFFERED)
          return E_INVALIDARG;
  
      if(This->mode != mode) {
          if(This->out->pin.pin.pConnectedTo) {
              HRESULT hr = IFilterGraph_Reconnect(This->filter.filterInfo.pGraph,
                      &This->out->pin.pin.IPin_iface);
              if(FAILED(hr))
                  return hr;
          }
  
          This->mode = mode;
      }
  
      return S_OK;
  }
  
  static HRESULT WINAPI ConfigInterleaving_get_Mode(
          IConfigInterleaving *iface, InterleavingMode *pMode)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
      FIXME("(%p)->(%p)\n", This, pMode);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI ConfigInterleaving_put_Interleaving(IConfigInterleaving *iface,
          const REFERENCE_TIME *prtInterleave, const REFERENCE_TIME *prtPreroll)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
  
      TRACE("(%p)->(%p %p)\n", This, prtInterleave, prtPreroll);
  
      if(prtInterleave)
          This->interleave = *prtInterleave;
      if(prtPreroll)
          This->preroll = *prtPreroll;
      return S_OK;
  }
  
  static HRESULT WINAPI ConfigInterleaving_get_Interleaving(IConfigInterleaving *iface,
          REFERENCE_TIME *prtInterleave, REFERENCE_TIME *prtPreroll)
  {
      AviMux *This = impl_from_IConfigInterleaving(iface);
      FIXME("(%p)->(%p %p)\n", This, prtInterleave, prtPreroll);
      return E_NOTIMPL;
  }
  
  static const IConfigInterleavingVtbl ConfigInterleavingVtbl = {
      ConfigInterleaving_QueryInterface,
      ConfigInterleaving_AddRef,
      ConfigInterleaving_Release,
      ConfigInterleaving_put_Mode,
      ConfigInterleaving_get_Mode,
      ConfigInterleaving_put_Interleaving,
      ConfigInterleaving_get_Interleaving
  };
  
  static inline AviMux* impl_from_IMediaSeeking(IMediaSeeking *iface)
  {
      return CONTAINING_RECORD(iface, AviMux, IMediaSeeking_iface);
  }
  
  static HRESULT WINAPI MediaSeeking_QueryInterface(
          IMediaSeeking *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
  }
  
  static ULONG WINAPI MediaSeeking_AddRef(IMediaSeeking *iface)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI MediaSeeking_Release(IMediaSeeking *iface)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI MediaSeeking_GetCapabilities(
          IMediaSeeking *iface, DWORD *pCapabilities)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pCapabilities);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_CheckCapabilities(
          IMediaSeeking *iface, DWORD *pCapabilities)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pCapabilities);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_IsFormatSupported(
          IMediaSeeking *iface, const GUID *pFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%s)\n", This, debugstr_guid(pFormat));
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_QueryPreferredFormat(
          IMediaSeeking *iface, GUID *pFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pFormat);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetTimeFormat(
          IMediaSeeking *iface, GUID *pFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pFormat);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_IsUsingTimeFormat(
          IMediaSeeking *iface, const GUID *pFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%s)\n", This, debugstr_guid(pFormat));
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_SetTimeFormat(
          IMediaSeeking *iface, const GUID *pFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%s)\n", This, debugstr_guid(pFormat));
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetDuration(
          IMediaSeeking *iface, LONGLONG *pDuration)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pDuration);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetStopPosition(
          IMediaSeeking *iface, LONGLONG *pStop)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pStop);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetCurrentPosition(
          IMediaSeeking *iface, LONGLONG *pCurrent)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pCurrent);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_ConvertTimeFormat(IMediaSeeking *iface, LONGLONG *pTarget,
          const GUID *pTargetFormat, LONGLONG Source, const GUID *pSourceFormat)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p %s %s %s)\n", This, pTarget, debugstr_guid(pTargetFormat),
              wine_dbgstr_longlong(Source), debugstr_guid(pSourceFormat));
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_SetPositions(IMediaSeeking *iface, LONGLONG *pCurrent,
          DWORD dwCurrentFlags, LONGLONG *pStop, DWORD dwStopFlags)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p %x %p %x)\n", This, pCurrent, dwCurrentFlags, pStop, dwStopFlags);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetPositions(IMediaSeeking *iface,
          LONGLONG *pCurrent, LONGLONG *pStop)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p %p)\n", This, pCurrent, pStop);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetAvailable(IMediaSeeking *iface,
          LONGLONG *pEarliest, LONGLONG *pLatest)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p %p)\n", This, pEarliest, pLatest);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_SetRate(IMediaSeeking *iface, double dRate)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%lf)\n", This, dRate);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetRate(IMediaSeeking *iface, double *pdRate)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pdRate);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI MediaSeeking_GetPreroll(IMediaSeeking *iface, LONGLONG *pllPreroll)
  {
      AviMux *This = impl_from_IMediaSeeking(iface);
      FIXME("(%p)->(%p)\n", This, pllPreroll);
      return E_NOTIMPL;
  }
  
  static const IMediaSeekingVtbl MediaSeekingVtbl = {
      MediaSeeking_QueryInterface,
      MediaSeeking_AddRef,
      MediaSeeking_Release,
      MediaSeeking_GetCapabilities,
      MediaSeeking_CheckCapabilities,
      MediaSeeking_IsFormatSupported,
      MediaSeeking_QueryPreferredFormat,
      MediaSeeking_GetTimeFormat,
      MediaSeeking_IsUsingTimeFormat,
      MediaSeeking_SetTimeFormat,
      MediaSeeking_GetDuration,
      MediaSeeking_GetStopPosition,
      MediaSeeking_GetCurrentPosition,
      MediaSeeking_ConvertTimeFormat,
      MediaSeeking_SetPositions,
      MediaSeeking_GetPositions,
      MediaSeeking_GetAvailable,
      MediaSeeking_SetRate,
      MediaSeeking_GetRate,
      MediaSeeking_GetPreroll
  };
  
  static inline AviMux* impl_from_IPersistMediaPropertyBag(IPersistMediaPropertyBag *iface)
  {
      return CONTAINING_RECORD(iface, AviMux, IPersistMediaPropertyBag_iface);
  }
  
  static HRESULT WINAPI PersistMediaPropertyBag_QueryInterface(
          IPersistMediaPropertyBag *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
  }
  
  static ULONG WINAPI PersistMediaPropertyBag_AddRef(IPersistMediaPropertyBag *iface)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI PersistMediaPropertyBag_Release(IPersistMediaPropertyBag *iface)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI PersistMediaPropertyBag_GetClassID(
          IPersistMediaPropertyBag *iface, CLSID *pClassID)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      return IBaseFilter_GetClassID(&This->filter.IBaseFilter_iface, pClassID);
  }
  
  static HRESULT WINAPI PersistMediaPropertyBag_InitNew(IPersistMediaPropertyBag *iface)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      FIXME("(%p)->()\n", This);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistMediaPropertyBag_Load(IPersistMediaPropertyBag *iface,
          IMediaPropertyBag *pPropBag, IErrorLog *pErrorLog)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      FIXME("(%p)->()\n", This);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI PersistMediaPropertyBag_Save(IPersistMediaPropertyBag *iface,
          IMediaPropertyBag *pPropBag, BOOL fClearDirty, BOOL fSaveAllProperties)
  {
      AviMux *This = impl_from_IPersistMediaPropertyBag(iface);
      FIXME("(%p)->()\n", This);
      return E_NOTIMPL;
  }
  
  static const IPersistMediaPropertyBagVtbl PersistMediaPropertyBagVtbl = {
      PersistMediaPropertyBag_QueryInterface,
      PersistMediaPropertyBag_AddRef,
      PersistMediaPropertyBag_Release,
      PersistMediaPropertyBag_GetClassID,
      PersistMediaPropertyBag_InitNew,
      PersistMediaPropertyBag_Load,
      PersistMediaPropertyBag_Save
  };
  
  static inline AviMux* impl_from_ISpecifyPropertyPages(ISpecifyPropertyPages *iface)
  {
      return CONTAINING_RECORD(iface, AviMux, ISpecifyPropertyPages_iface);
  }
  
  static HRESULT WINAPI SpecifyPropertyPages_QueryInterface(
          ISpecifyPropertyPages *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_ISpecifyPropertyPages(iface);
      return IBaseFilter_QueryInterface(&This->filter.IBaseFilter_iface, riid, ppv);
  }
  
  static ULONG WINAPI SpecifyPropertyPages_AddRef(ISpecifyPropertyPages *iface)
  {
      AviMux *This = impl_from_ISpecifyPropertyPages(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI SpecifyPropertyPages_Release(ISpecifyPropertyPages *iface)
  {
      AviMux *This = impl_from_ISpecifyPropertyPages(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI SpecifyPropertyPages_GetPages(
          ISpecifyPropertyPages *iface, CAUUID *pPages)
  {
      AviMux *This = impl_from_ISpecifyPropertyPages(iface);
      FIXME("(%p)->(%p)\n", This, pPages);
      return E_NOTIMPL;
  }
  
  static const ISpecifyPropertyPagesVtbl SpecifyPropertyPagesVtbl = {
      SpecifyPropertyPages_QueryInterface,
      SpecifyPropertyPages_AddRef,
      SpecifyPropertyPages_Release,
      SpecifyPropertyPages_GetPages
  };
  
  static HRESULT WINAPI AviMuxOut_AttemptConnection(BasePin *base,
          IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
  {
      PIN_DIRECTION dir;
      HRESULT hr;
  
      TRACE("(%p)->(%p AM_MEDIA_TYPE(%p))\n", base, pReceivePin, pmt);
      dump_AM_MEDIA_TYPE(pmt);
  
      hr = IPin_QueryDirection(pReceivePin, &dir);
      if(hr==S_OK && dir!=PINDIR_INPUT)
          return VFW_E_INVALID_DIRECTION;
  
      return BaseOutputPinImpl_AttemptConnection(base, pReceivePin, pmt);
  }
  
  static LONG WINAPI AviMuxOut_GetMediaTypeVersion(BasePin *base)
  {
      return 0;
  }
  
  static HRESULT WINAPI AviMuxOut_GetMediaType(BasePin *base, int iPosition, AM_MEDIA_TYPE *amt)
  {
      TRACE("(%p)->(%d %p)\n", base, iPosition, amt);
  
      if(iPosition < 0)
          return E_INVALIDARG;
      if(iPosition > 0)
          return VFW_S_NO_MORE_ITEMS;
  
      amt->majortype = MEDIATYPE_Stream;
      amt->subtype = MEDIASUBTYPE_Avi;
      amt->bFixedSizeSamples = TRUE;
      amt->bTemporalCompression = FALSE;
      amt->lSampleSize = 1;
      amt->formattype = GUID_NULL;
      amt->pUnk = NULL;
      amt->cbFormat = 0;
      amt->pbFormat = NULL;
      return S_OK;
  }
  
  static HRESULT WINAPI AviMuxOut_DecideAllocator(BaseOutputPin *base,
          IMemInputPin *pPin, IMemAllocator **pAlloc)
  {
      ALLOCATOR_PROPERTIES req, actual;
      HRESULT hr;
  
      TRACE("(%p)->(%p %p)\n", base, pPin, pAlloc);
  
      hr = BaseOutputPinImpl_InitAllocator(base, pAlloc);
      if(FAILED(hr))
          return hr;
  
      hr = IMemInputPin_GetAllocatorRequirements(pPin, &req);
      if(FAILED(hr))
          req.cbAlign = 1;
      req.cBuffers = 32;
      req.cbBuffer = 0;
      req.cbPrefix = 0;
  
      hr = IMemAllocator_SetProperties(*pAlloc, &req, &actual);
      if(FAILED(hr))
          return hr;
  
      return IMemInputPin_NotifyAllocator(pPin, *pAlloc, TRUE);
  }
  
  static HRESULT WINAPI AviMuxOut_BreakConnect(BaseOutputPin *base)
  {
      FIXME("(%p)\n", base);
      return E_NOTIMPL;
  }
  
  static const BaseOutputPinFuncTable AviMuxOut_BaseOutputFuncTable = {
      {
          NULL,
          AviMuxOut_AttemptConnection,
          AviMuxOut_GetMediaTypeVersion,
          AviMuxOut_GetMediaType
      },
      NULL,
      AviMuxOut_DecideAllocator,
      AviMuxOut_BreakConnect
  };
  
  static inline AviMux* impl_from_out_IPin(IPin *iface)
  {
      BasePin *bp = CONTAINING_RECORD(iface, BasePin, IPin_iface);
      IBaseFilter *bf = bp->pinInfo.pFilter;
  
      return impl_from_IBaseFilter(bf);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryInterface(IPin *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_out_IPin(iface);
  
      TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
  
      if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IPin))
          *ppv = iface;
      else if(IsEqualIID(riid, &IID_IQualityControl))
          *ppv = &This->out->IQualityControl_iface;
      else {
          FIXME("no interface for %s\n", debugstr_guid(riid));
          *ppv = NULL;
          return E_NOINTERFACE;
      }
  
      IUnknown_AddRef((IUnknown*)*ppv);
      return S_OK;
  }
  
  static ULONG WINAPI AviMuxOut_AddRef(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxOut_Release(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxOut_Connect(IPin *iface,
          IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_out_IPin(iface);
      HRESULT hr;
      int i;
  
      TRACE("(%p)->(%p AM_MEDIA_TYPE(%p))\n", This, pReceivePin, pmt);
      dump_AM_MEDIA_TYPE(pmt);
  
      hr = BaseOutputPinImpl_Connect(iface, pReceivePin, pmt);
      if(FAILED(hr))
          return hr;
  
      for(i=0; i<This->input_pin_no; i++) {
          if(!This->in[i]->pin.pin.pConnectedTo)
              continue;
  
          hr = IFilterGraph_Reconnect(This->filter.filterInfo.pGraph, &This->in[i]->pin.pin.IPin_iface);
          if(FAILED(hr)) {
              BaseOutputPinImpl_Disconnect(iface);
              break;
          }
      }
  
      if(hr == S_OK)
          IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
      return hr;
  }
  
  static HRESULT WINAPI AviMuxOut_ReceiveConnection(IPin *iface,
          IPin *pConnector, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p AM_MEDIA_TYPE(%p)\n", This, pConnector, pmt);
      dump_AM_MEDIA_TYPE(pmt);
      return BaseOutputPinImpl_ReceiveConnection(iface, pConnector, pmt);
  }
  
  static HRESULT WINAPI AviMuxOut_Disconnect(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      HRESULT hr;
  
      TRACE("(%p)\n", This);
  
      hr = BaseOutputPinImpl_Disconnect(iface);
      if(hr == S_OK)
          IBaseFilter_Release(&This->filter.IBaseFilter_iface);
      return hr;
  }
  
  static HRESULT WINAPI AviMuxOut_ConnectedTo(IPin *iface, IPin **pPin)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, pPin);
      return BasePinImpl_ConnectedTo(iface, pPin);
  }
  
  static HRESULT WINAPI AviMuxOut_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, pmt);
      return BasePinImpl_ConnectionMediaType(iface, pmt);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryPinInfo(IPin *iface, PIN_INFO *pInfo)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, pInfo);
      return BasePinImpl_QueryPinInfo(iface, pInfo);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryDirection(IPin *iface, PIN_DIRECTION *pPinDir)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, pPinDir);
      return BasePinImpl_QueryDirection(iface, pPinDir);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryId(IPin *iface, LPWSTR *Id)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, Id);
      return BasePinImpl_QueryId(iface, Id);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(AM_MEDIA_TYPE(%p))\n", This, pmt);
      dump_AM_MEDIA_TYPE(pmt);
      return BasePinImpl_QueryAccept(iface, pmt);
  }
  
  static HRESULT WINAPI AviMuxOut_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(%p)\n", This, ppEnum);
      return BasePinImpl_EnumMediaTypes(iface, ppEnum);
  }
  
  static HRESULT WINAPI AviMuxOut_QueryInternalConnections(
          IPin *iface, IPin **apPin, ULONG *nPin)
  {
      AviMux *This = impl_from_out_IPin(iface);
      FIXME("(%p)->(%p %p)\n", This, apPin, nPin);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxOut_EndOfStream(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)\n", This);
      return BaseOutputPinImpl_EndOfStream(iface);
  }
  
  static HRESULT WINAPI AviMuxOut_BeginFlush(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)\n", This);
      return BaseOutputPinImpl_BeginFlush(iface);
  }
  
  static HRESULT WINAPI AviMuxOut_EndFlush(IPin *iface)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)\n", This);
      return BaseOutputPinImpl_EndFlush(iface);
  }
  
  static HRESULT WINAPI AviMuxOut_NewSegment(IPin *iface, REFERENCE_TIME tStart,
          REFERENCE_TIME tStop, double dRate)
  {
      AviMux *This = impl_from_out_IPin(iface);
      TRACE("(%p)->(0x%x%08x 0x%x%08x %lf)\n", This, (ULONG)(tStart >> 32),
              (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
      return BasePinImpl_NewSegment(iface, tStart, tStop, dRate);
  }
  
  static const IPinVtbl AviMuxOut_PinVtbl = {
      AviMuxOut_QueryInterface,
      AviMuxOut_AddRef,
      AviMuxOut_Release,
      AviMuxOut_Connect,
      AviMuxOut_ReceiveConnection,
      AviMuxOut_Disconnect,
      AviMuxOut_ConnectedTo,
      AviMuxOut_ConnectionMediaType,
      AviMuxOut_QueryPinInfo,
      AviMuxOut_QueryDirection,
      AviMuxOut_QueryId,
      AviMuxOut_QueryAccept,
      AviMuxOut_EnumMediaTypes,
      AviMuxOut_QueryInternalConnections,
      AviMuxOut_EndOfStream,
      AviMuxOut_BeginFlush,
      AviMuxOut_EndFlush,
      AviMuxOut_NewSegment
  };
  
  static inline AviMux* impl_from_out_IQualityControl(IQualityControl *iface)
  {
      AviMuxOut *amo = CONTAINING_RECORD(iface, AviMuxOut, IQualityControl_iface);
      return impl_from_IBaseFilter(amo->pin.pin.pinInfo.pFilter);
  }
  
  static HRESULT WINAPI AviMuxOut_QualityControl_QueryInterface(
          IQualityControl *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_out_IQualityControl(iface);
      return IPin_QueryInterface(&This->out->pin.pin.IPin_iface, riid, ppv);
  }
  
  static ULONG WINAPI AviMuxOut_QualityControl_AddRef(IQualityControl *iface)
  {
      AviMux *This = impl_from_out_IQualityControl(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxOut_QualityControl_Release(IQualityControl *iface)
  {
      AviMux *This = impl_from_out_IQualityControl(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxOut_QualityControl_Notify(IQualityControl *iface,
          IBaseFilter *pSelf, Quality q)
  {
      AviMux *This = impl_from_out_IQualityControl(iface);
      FIXME("(%p)->(%p Quality)\n", This, pSelf);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxOut_QualityControl_SetSink(
          IQualityControl *iface, IQualityControl *piqc)
  {
      AviMux *This = impl_from_out_IQualityControl(iface);
      FIXME("(%p)->(%p)\n", This, piqc);
      return E_NOTIMPL;
  }
  
  static const IQualityControlVtbl AviMuxOut_QualityControlVtbl = {
      AviMuxOut_QualityControl_QueryInterface,
      AviMuxOut_QualityControl_AddRef,
      AviMuxOut_QualityControl_Release,
      AviMuxOut_QualityControl_Notify,
      AviMuxOut_QualityControl_SetSink
  };
  
  static HRESULT WINAPI AviMuxIn_CheckMediaType(BasePin *base, const AM_MEDIA_TYPE *pmt)
  {
      TRACE("(%p:%s)->(AM_MEDIA_TYPE(%p))\n", base, debugstr_w(base->pinInfo.achName), pmt);
      dump_AM_MEDIA_TYPE(pmt);
  
      if(IsEqualIID(&pmt->majortype, &MEDIATYPE_Audio) &&
              IsEqualIID(&pmt->formattype, &FORMAT_WaveFormatEx))
          return S_OK;
      if(IsEqualIID(&pmt->majortype, &MEDIATYPE_Interleaved) &&
              IsEqualIID(&pmt->formattype, &FORMAT_DvInfo))
          return S_OK;
      if(IsEqualIID(&pmt->majortype, &MEDIATYPE_Video) &&
              (IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo) ||
               IsEqualIID(&pmt->formattype, &FORMAT_DvInfo)))
          return S_OK;
      return S_FALSE;
  }
  
  static LONG WINAPI AviMuxIn_GetMediaTypeVersion(BasePin *base)
  {
      return 0;
  }
  
  static HRESULT WINAPI AviMuxIn_GetMediaType(BasePin *base, int iPosition, AM_MEDIA_TYPE *amt)
  {
      return S_FALSE;
  }
  
  static HRESULT WINAPI AviMuxIn_Receive(BaseInputPin *base, IMediaSample *pSample)
  {
      AviMuxIn *avimuxin = CONTAINING_RECORD(base, AviMuxIn, pin);
      AviMux *avimux = impl_from_IBaseFilter(base->pin.pinInfo.pFilter);
      REFERENCE_TIME start, stop;
      IMediaSample *sample;
      int frames_no;
      IMediaSample2 *ms2;
      BYTE *frame, *buf;
      DWORD max_size, size;
      DWORD flags;
      HRESULT hr;
  
      TRACE("(%p:%s)->(%p)\n", base, debugstr_w(base->pin.pinInfo.achName), pSample);
  
      hr = IMediaSample_QueryInterface(pSample, &IID_IMediaSample2, (void**)&ms2);
      if(SUCCEEDED(hr)) {
          AM_SAMPLE2_PROPERTIES props;
  
          memset(&props, 0, sizeof(props));
          hr = IMediaSample2_GetProperties(ms2, sizeof(props), (BYTE*)&props);
          IMediaSample2_Release(ms2);
          if(FAILED(hr))
              return hr;
  
          flags = props.dwSampleFlags;
          frame = props.pbBuffer;
          size = props.lActual;
      }else {
          flags = IMediaSample_IsSyncPoint(pSample) == S_OK ? AM_SAMPLE_SPLICEPOINT : 0;
          hr = IMediaSample_GetPointer(pSample, &frame);
          if(FAILED(hr))
              return hr;
          size = IMediaSample_GetActualDataLength(pSample);
      }
  
      if(!avimuxin->pin.pin.mtCurrent.bTemporalCompression)
          flags |= AM_SAMPLE_SPLICEPOINT;
  
      hr = IMediaSample_GetTime(pSample, &start, &stop);
      if(FAILED(hr))
          return hr;
  
      if(avimuxin->stop>stop)
          return VFW_E_START_TIME_AFTER_END;
  
      if(avimux->start == -1)
          avimux->start = start;
      if(avimux->stop < stop)
          avimux->stop = stop;
  
      if(avimux->avih.dwSuggestedBufferSize < ALIGN(size)+sizeof(RIFFCHUNK))
          avimux->avih.dwSuggestedBufferSize = ALIGN(size) + sizeof(RIFFCHUNK);
      if(avimuxin->strh.dwSuggestedBufferSize < ALIGN(size)+sizeof(RIFFCHUNK))
          avimuxin->strh.dwSuggestedBufferSize = ALIGN(size) + sizeof(RIFFCHUNK);
  
      frames_no = 1;
      if(avimuxin->stop!=-1 && start > avimuxin->stop) {
          frames_no += (double)(start - avimuxin->stop) / 10000000
                  * avimuxin->strh.dwRate / avimuxin->strh.dwScale + 0.5;
      }
      avimuxin->stop = stop;
  
      while(--frames_no) {
          /* TODO: store all control frames in one buffer */
          hr = IMemAllocator_GetBuffer(avimuxin->samples_allocator, &sample, NULL, NULL, 0);
          if(FAILED(hr))
              return hr;
          hr = IMediaSample_SetActualDataLength(sample, 0);
          if(SUCCEEDED(hr))
              hr = IMediaSample_SetDiscontinuity(sample, TRUE);
          if(SUCCEEDED(hr))
              hr = IMediaSample_SetSyncPoint(sample, FALSE);
          if(SUCCEEDED(hr))
              hr = queue_sample(avimux, avimuxin, sample);
          IMediaSample_Release(sample);
          if(FAILED(hr))
              return hr;
      }
  
      hr = IMemAllocator_GetBuffer(avimuxin->samples_allocator, &sample, NULL, NULL, 0);
      if(FAILED(hr))
          return hr;
      max_size = IMediaSample_GetSize(sample);
      if(size > max_size)
          size = max_size;
      hr = IMediaSample_SetActualDataLength(sample, size);
      if(SUCCEEDED(hr))
          hr = IMediaSample_SetDiscontinuity(sample, FALSE);
      if(SUCCEEDED(hr))
          hr = IMediaSample_SetSyncPoint(sample, flags & AM_SAMPLE_SPLICEPOINT);
      /* TODO: avoid unnecessary copying */
      if(SUCCEEDED(hr))
          hr = IMediaSample_GetPointer(sample, &buf);
      if(SUCCEEDED(hr)) {
          memcpy(buf, frame, size);
          hr = queue_sample(avimux, avimuxin, sample);
      }
      IMediaSample_Release(sample);
  
      return hr;
  }
  
  static const BaseInputPinFuncTable AviMuxIn_BaseInputFuncTable = {
      {
          AviMuxIn_CheckMediaType,
          NULL,
          AviMuxIn_GetMediaTypeVersion,
          AviMuxIn_GetMediaType
      },
      AviMuxIn_Receive
  };
  
  static inline AviMux* impl_from_in_IPin(IPin *iface)
  {
      BasePin *bp = CONTAINING_RECORD(iface, BasePin, IPin_iface);
      IBaseFilter *bf = bp->pinInfo.pFilter;
  
      return impl_from_IBaseFilter(bf);
  }
  
  static inline AviMuxIn* AviMuxIn_from_IPin(IPin *iface)
  {
      BasePin *bp = CONTAINING_RECORD(iface, BasePin, IPin_iface);
      BaseInputPin *bip = CONTAINING_RECORD(bp, BaseInputPin, pin);
      return CONTAINING_RECORD(bip, AviMuxIn, pin);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryInterface(IPin *iface, REFIID riid, void **ppv)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
  
      TRACE("(%p:%s)->(%s %p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              debugstr_guid(riid), ppv);
  
      if(IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IPin))
          *ppv = &avimuxin->pin.pin.IPin_iface;
      else if(IsEqualIID(riid, &IID_IAMStreamControl))
          *ppv = &avimuxin->IAMStreamControl_iface;
      else if(IsEqualIID(riid, &IID_IMemInputPin))
          *ppv = &avimuxin->pin.IMemInputPin_iface;
      else if(IsEqualIID(riid, &IID_IPropertyBag))
          *ppv = &avimuxin->IPropertyBag_iface;
      else if(IsEqualIID(riid, &IID_IQualityControl))
          *ppv = &avimuxin->IQualityControl_iface;
      else {
          FIXME("no interface for %s\n", debugstr_guid(riid));
          *ppv = NULL;
          return E_NOINTERFACE;
      }
  
      IUnknown_AddRef((IUnknown*)*ppv);
      return S_OK;
  }
  
  static ULONG WINAPI AviMuxIn_AddRef(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxIn_Release(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_Connect(IPin *iface,
          IPin *pReceivePin, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p AM_MEDIA_TYPE(%p))\n", This,
              debugstr_w(avimuxin->pin.pin.pinInfo.achName), pReceivePin, pmt);
      dump_AM_MEDIA_TYPE(pmt);
      return BaseInputPinImpl_Connect(iface, pReceivePin, pmt);
  }
  
  static HRESULT WINAPI AviMuxIn_ReceiveConnection(IPin *iface,
          IPin *pConnector, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      HRESULT hr;
  
      TRACE("(%p:%s)->(%p AM_MEDIA_TYPE(%p))\n", This,
              debugstr_w(avimuxin->pin.pin.pinInfo.achName), pConnector, pmt);
      dump_AM_MEDIA_TYPE(pmt);
  
      if(!pmt)
          return E_POINTER;
  
      hr = BaseInputPinImpl_ReceiveConnection(iface, pConnector, pmt);
      if(FAILED(hr))
          return hr;
  
      if(IsEqualIID(&pmt->majortype, &MEDIATYPE_Video) &&
              IsEqualIID(&pmt->formattype, &FORMAT_VideoInfo)) {
          ALLOCATOR_PROPERTIES req, act;
          VIDEOINFOHEADER *vih;
          int size;
  
          vih = (VIDEOINFOHEADER*)pmt->pbFormat;
          avimuxin->strh.fcc = ckidSTREAMHEADER;
          avimuxin->strh.cb = sizeof(AVISTREAMHEADER) - FIELD_OFFSET(AVISTREAMHEADER, fccType);
          avimuxin->strh.fccType = streamtypeVIDEO;
          /* FIXME: fccHandler should be set differently */
          avimuxin->strh.fccHandler = vih->bmiHeader.biCompression ?
              vih->bmiHeader.biCompression : FCC('D','I','B',' ');
          avimuxin->avg_time_per_frame = vih->AvgTimePerFrame;
          avimuxin->stop = -1;
  
          req.cBuffers = 32;
          req.cbBuffer = vih->bmiHeader.biSizeImage;
          req.cbAlign = 1;
          req.cbPrefix = sizeof(void*);
          hr = IMemAllocator_SetProperties(avimuxin->samples_allocator, &req, &act);
          if(SUCCEEDED(hr))
              hr = IMemAllocator_Commit(avimuxin->samples_allocator);
          if(FAILED(hr)) {
              BasePinImpl_Disconnect(iface);
              return hr;
          }
  
          size = pmt->cbFormat - FIELD_OFFSET(VIDEOINFOHEADER, bmiHeader);
          avimuxin->strf = CoTaskMemAlloc(sizeof(RIFFCHUNK) + ALIGN(FIELD_OFFSET(BITMAPINFO, bmiColors[vih->bmiHeader.biClrUsed])));
          avimuxin->strf->fcc = ckidSTREAMFORMAT;
          avimuxin->strf->cb = FIELD_OFFSET(BITMAPINFO, bmiColors[vih->bmiHeader.biClrUsed]);
          if(size > avimuxin->strf->cb)
              size = avimuxin->strf->cb;
          memcpy(avimuxin->strf->data, &vih->bmiHeader, size);
      }else {
          FIXME("format not supported: %s %s\n", debugstr_guid(&pmt->majortype),
                  debugstr_guid(&pmt->formattype));
          return E_NOTIMPL;
      }
  
      return create_input_pin(This);
  }
  
  static HRESULT WINAPI AviMuxIn_Disconnect(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      IMediaSample **prev, *cur;
      HRESULT hr;
  
      TRACE("(%p:%s)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName));
  
      hr = BasePinImpl_Disconnect(iface);
      if(FAILED(hr))
          return hr;
  
      IMemAllocator_Decommit(avimuxin->samples_allocator);
      while(avimuxin->samples_head) {
          cur = avimuxin->samples_head;
          hr = IMediaSample_GetPointer(cur, (BYTE**)&prev);
          if(FAILED(hr))
              break;
          prev--;
  
          cur = avimuxin->samples_head;
          avimuxin->samples_head = *prev;
          IMediaSample_Release(cur);
  
          if(cur == avimuxin->samples_head)
              avimuxin->samples_head = NULL;
      }
      CoTaskMemFree(avimuxin->strf);
      avimuxin->strf = NULL;
      return hr;
  }
  
  static HRESULT WINAPI AviMuxIn_ConnectedTo(IPin *iface, IPin **pPin)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pPin);
      return BasePinImpl_ConnectedTo(iface, pPin);
  }
  
  static HRESULT WINAPI AviMuxIn_ConnectionMediaType(IPin *iface, AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pmt);
      return BasePinImpl_ConnectionMediaType(iface, pmt);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryPinInfo(IPin *iface, PIN_INFO *pInfo)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pInfo);
      return BasePinImpl_QueryPinInfo(iface, pInfo);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryDirection(IPin *iface, PIN_DIRECTION *pPinDir)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pPinDir);
      return BasePinImpl_QueryDirection(iface, pPinDir);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryId(IPin *iface, LPWSTR *Id)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), Id);
      return BasePinImpl_QueryId(iface, Id);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryAccept(IPin *iface, const AM_MEDIA_TYPE *pmt)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(AM_MEDIA_TYPE(%p))\n", This,
              debugstr_w(avimuxin->pin.pin.pinInfo.achName), pmt);
      dump_AM_MEDIA_TYPE(pmt);
      return BasePinImpl_QueryAccept(iface, pmt);
  }
  
  static HRESULT WINAPI AviMuxIn_EnumMediaTypes(IPin *iface, IEnumMediaTypes **ppEnum)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), ppEnum);
      return BasePinImpl_EnumMediaTypes(iface, ppEnum);
  }
  
  static HRESULT WINAPI AviMuxIn_QueryInternalConnections(
          IPin *iface, IPin **apPin, ULONG *nPin)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(%p %p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), apPin, nPin);
      return BasePinImpl_QueryInternalConnections(iface, apPin, nPin);
  }
  
  static HRESULT WINAPI AviMuxIn_EndOfStream(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName));
      return BaseInputPinImpl_EndOfStream(iface);
  }
  
  static HRESULT WINAPI AviMuxIn_BeginFlush(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName));
      return BaseInputPinImpl_BeginFlush(iface);
  }
  
  static HRESULT WINAPI AviMuxIn_EndFlush(IPin *iface)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName));
      return BaseInputPinImpl_EndFlush(iface);
  }
  
  static HRESULT WINAPI AviMuxIn_NewSegment(IPin *iface, REFERENCE_TIME tStart,
          REFERENCE_TIME tStop, double dRate)
  {
      AviMux *This = impl_from_in_IPin(iface);
      AviMuxIn *avimuxin = AviMuxIn_from_IPin(iface);
      TRACE("(%p:%s)->(0x%x%08x 0x%x%08x %lf)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
           (ULONG)(tStart >> 32), (ULONG)tStart, (ULONG)(tStop >> 32), (ULONG)tStop, dRate);
      return BasePinImpl_NewSegment(iface, tStart, tStop, dRate);
  }
  
  static const IPinVtbl AviMuxIn_PinVtbl = {
      AviMuxIn_QueryInterface,
      AviMuxIn_AddRef,
      AviMuxIn_Release,
      AviMuxIn_Connect,
      AviMuxIn_ReceiveConnection,
      AviMuxIn_Disconnect,
      AviMuxIn_ConnectedTo,
      AviMuxIn_ConnectionMediaType,
      AviMuxIn_QueryPinInfo,
      AviMuxIn_QueryDirection,
      AviMuxIn_QueryId,
      AviMuxIn_QueryAccept,
      AviMuxIn_EnumMediaTypes,
      AviMuxIn_QueryInternalConnections,
      AviMuxIn_EndOfStream,
      AviMuxIn_BeginFlush,
      AviMuxIn_EndFlush,
      AviMuxIn_NewSegment
  };
  
  static inline AviMuxIn* AviMuxIn_from_IAMStreamControl(IAMStreamControl *iface)
  {
      return CONTAINING_RECORD(iface, AviMuxIn, IAMStreamControl_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_AMStreamControl_QueryInterface(
          IAMStreamControl *iface, REFIID riid, void **ppv)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      return IPin_QueryInterface(&avimuxin->pin.pin.IPin_iface, riid, ppv);
  }
  
  static ULONG WINAPI AviMuxIn_AMStreamControl_AddRef(IAMStreamControl *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxIn_AMStreamControl_Release(IAMStreamControl *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_AMStreamControl_StartAt(IAMStreamControl *iface,
          const REFERENCE_TIME *ptStart, DWORD dwCookie)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%p %x)\n", This,
              debugstr_w(avimuxin->pin.pin.pinInfo.achName), ptStart, dwCookie);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxIn_AMStreamControl_StopAt(IAMStreamControl *iface,
          const REFERENCE_TIME *ptStop, BOOL bSendExtra, DWORD dwCookie)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%p %x %x)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              ptStop, bSendExtra, dwCookie);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxIn_AMStreamControl_GetInfo(
          IAMStreamControl *iface, AM_STREAM_INFO *pInfo)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IAMStreamControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pInfo);
      return E_NOTIMPL;
  }
  
  static const IAMStreamControlVtbl AviMuxIn_AMStreamControlVtbl = {
      AviMuxIn_AMStreamControl_QueryInterface,
      AviMuxIn_AMStreamControl_AddRef,
      AviMuxIn_AMStreamControl_Release,
      AviMuxIn_AMStreamControl_StartAt,
      AviMuxIn_AMStreamControl_StopAt,
      AviMuxIn_AMStreamControl_GetInfo
  };
  
  static inline AviMuxIn* AviMuxIn_from_IMemInputPin(IMemInputPin *iface)
  {
      BaseInputPin *bip = CONTAINING_RECORD(iface, BaseInputPin, IMemInputPin_iface);
      return CONTAINING_RECORD(bip, AviMuxIn, pin);
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_QueryInterface(
          IMemInputPin *iface, REFIID riid, void **ppv)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      return IPin_QueryInterface(&avimuxin->pin.pin.IPin_iface, riid, ppv);
  }
  
  static ULONG WINAPI AviMuxIn_MemInputPin_AddRef(IMemInputPin *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxIn_MemInputPin_Release(IMemInputPin *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_GetAllocator(
          IMemInputPin *iface, IMemAllocator **ppAllocator)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
  
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), ppAllocator);
  
      if(!ppAllocator)
          return E_POINTER;
  
      IMemAllocator_AddRef(avimuxin->pin.pAllocator);
      *ppAllocator = avimuxin->pin.pAllocator;
      return S_OK;
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_NotifyAllocator(
          IMemInputPin *iface, IMemAllocator *pAllocator, BOOL bReadOnly)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      ALLOCATOR_PROPERTIES props;
      HRESULT hr;
  
      TRACE("(%p:%s)->(%p %x)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              pAllocator, bReadOnly);
  
      if(!pAllocator)
          return E_POINTER;
  
      memset(&props, 0, sizeof(props));
      hr = IMemAllocator_GetProperties(pAllocator, &props);
      if(FAILED(hr))
          return hr;
  
      props.cbAlign = 1;
      props.cbPrefix = 8;
      return IMemAllocator_SetProperties(avimuxin->pin.pAllocator, &props, &props);
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_GetAllocatorRequirements(
          IMemInputPin *iface, ALLOCATOR_PROPERTIES *pProps)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
  
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pProps);
  
      if(!pProps)
          return E_POINTER;
  
      pProps->cbAlign = 1;
      pProps->cbPrefix = 8;
      return S_OK;
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_Receive(
          IMemInputPin *iface, IMediaSample *pSample)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
  
      TRACE("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pSample);
  
      return avimuxin->pin.pFuncsTable->pfnReceive(&avimuxin->pin, pSample);
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_ReceiveMultiple(IMemInputPin *iface,
          IMediaSample **pSamples, LONG nSamples, LONG *nSamplesProcessed)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      HRESULT hr = S_OK;
  
      TRACE("(%p:%s)->(%p %d %p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              pSamples, nSamples, nSamplesProcessed);
  
      for(*nSamplesProcessed=0; *nSamplesProcessed<nSamples; (*nSamplesProcessed)++)
      {
          hr = avimuxin->pin.pFuncsTable->pfnReceive(&avimuxin->pin, pSamples[*nSamplesProcessed]);
          if(hr != S_OK)
              break;
      }
  
      return hr;
  }
  
  static HRESULT WINAPI AviMuxIn_MemInputPin_ReceiveCanBlock(IMemInputPin *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IMemInputPin(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      HRESULT hr;
  
      TRACE("(%p:%s)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName));
  
      if(!This->out->pin.pMemInputPin)
          return S_FALSE;
  
      hr = IMemInputPin_ReceiveCanBlock(This->out->pin.pMemInputPin);
      return hr != S_FALSE ? S_OK : S_FALSE;
  }
  
  static const IMemInputPinVtbl AviMuxIn_MemInputPinVtbl = {
      AviMuxIn_MemInputPin_QueryInterface,
      AviMuxIn_MemInputPin_AddRef,
      AviMuxIn_MemInputPin_Release,
      AviMuxIn_MemInputPin_GetAllocator,
      AviMuxIn_MemInputPin_NotifyAllocator,
      AviMuxIn_MemInputPin_GetAllocatorRequirements,
      AviMuxIn_MemInputPin_Receive,
      AviMuxIn_MemInputPin_ReceiveMultiple,
      AviMuxIn_MemInputPin_ReceiveCanBlock
  };
  
  static inline AviMuxIn* AviMuxIn_from_IPropertyBag(IPropertyBag *iface)
  {
      return CONTAINING_RECORD(iface, AviMuxIn, IPropertyBag_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_PropertyBag_QueryInterface(
          IPropertyBag *iface, REFIID riid, void **ppv)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IPropertyBag(iface);
      return IPin_QueryInterface(&avimuxin->pin.pin.IPin_iface, riid, ppv);
  }
  
  static ULONG WINAPI AviMuxIn_PropertyBag_AddRef(IPropertyBag *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IPropertyBag(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxIn_PropertyBag_Release(IPropertyBag *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IPropertyBag(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_PropertyBag_Read(IPropertyBag *iface,
          LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IPropertyBag(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%s %p %p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              debugstr_w(pszPropName), pVar, pErrorLog);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxIn_PropertyBag_Write(IPropertyBag *iface,
          LPCOLESTR pszPropName, VARIANT *pVar)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IPropertyBag(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%s %p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName),
              debugstr_w(pszPropName), pVar);
      return E_NOTIMPL;
  }
  
  static const IPropertyBagVtbl AviMuxIn_PropertyBagVtbl = {
      AviMuxIn_PropertyBag_QueryInterface,
      AviMuxIn_PropertyBag_AddRef,
      AviMuxIn_PropertyBag_Release,
      AviMuxIn_PropertyBag_Read,
      AviMuxIn_PropertyBag_Write
  };
  
  static inline AviMuxIn* AviMuxIn_from_IQualityControl(IQualityControl *iface)
  {
      return CONTAINING_RECORD(iface, AviMuxIn, IQualityControl_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_QualityControl_QueryInterface(
          IQualityControl *iface, REFIID riid, void **ppv)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IQualityControl(iface);
      return IPin_QueryInterface(&avimuxin->pin.pin.IPin_iface, riid, ppv);
  }
  
  static ULONG WINAPI AviMuxIn_QualityControl_AddRef(IQualityControl *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IQualityControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_AddRef(&This->filter.IBaseFilter_iface);
  }
  
  static ULONG WINAPI AviMuxIn_QualityControl_Release(IQualityControl *iface)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IQualityControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      return IBaseFilter_Release(&This->filter.IBaseFilter_iface);
  }
  
  static HRESULT WINAPI AviMuxIn_QualityControl_Notify(IQualityControl *iface,
          IBaseFilter *pSelf, Quality q)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IQualityControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%p Quality)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), pSelf);
      return E_NOTIMPL;
  }
  
  static HRESULT WINAPI AviMuxIn_QualityControl_SetSink(
          IQualityControl *iface, IQualityControl *piqc)
  {
      AviMuxIn *avimuxin = AviMuxIn_from_IQualityControl(iface);
      AviMux *This = impl_from_in_IPin(&avimuxin->pin.pin.IPin_iface);
      FIXME("(%p:%s)->(%p)\n", This, debugstr_w(avimuxin->pin.pin.pinInfo.achName), piqc);
      return E_NOTIMPL;
  }
  
  static const IQualityControlVtbl AviMuxIn_QualityControlVtbl = {
      AviMuxIn_QualityControl_QueryInterface,
      AviMuxIn_QualityControl_AddRef,
      AviMuxIn_QualityControl_Release,
      AviMuxIn_QualityControl_Notify,
      AviMuxIn_QualityControl_SetSink
  };
  
  static HRESULT create_input_pin(AviMux *avimux)
  {
      static const WCHAR name[] = {'I','n','p','u','t',' ','0','0',0};
      PIN_INFO info;
      HRESULT hr;
  
      if(avimux->input_pin_no >= MAX_PIN_NO-1)
          return E_FAIL;
  
      info.dir = PINDIR_INPUT;
      info.pFilter = &avimux->filter.IBaseFilter_iface;
      memcpy(info.achName, name, sizeof(name));
      info.achName[7] = '0' + (avimux->input_pin_no+1) % 10;
      info.achName[6] = '0' + (avimux->input_pin_no+1) / 10;
  
      hr = BaseInputPin_Construct(&AviMuxIn_PinVtbl, sizeof(AviMuxIn), &info,
              &AviMuxIn_BaseInputFuncTable, &avimux->filter.csFilter, NULL, (IPin**)&avimux->in[avimux->input_pin_no]);
      if(FAILED(hr))
          return hr;
      avimux->in[avimux->input_pin_no]->pin.IMemInputPin_iface.lpVtbl = &AviMuxIn_MemInputPinVtbl;
      avimux->in[avimux->input_pin_no]->IAMStreamControl_iface.lpVtbl = &AviMuxIn_AMStreamControlVtbl;
      avimux->in[avimux->input_pin_no]->IPropertyBag_iface.lpVtbl = &AviMuxIn_PropertyBagVtbl;
      avimux->in[avimux->input_pin_no]->IQualityControl_iface.lpVtbl = &AviMuxIn_QualityControlVtbl;
  
      avimux->in[avimux->input_pin_no]->samples_head = NULL;
      hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER,
              &IID_IMemAllocator, (void**)&avimux->in[avimux->input_pin_no]->samples_allocator);
      if(FAILED(hr)) {
          BaseInputPinImpl_Release(&avimux->in[avimux->input_pin_no]->pin.pin.IPin_iface);
          return hr;
      }
  
      hr = CoCreateInstance(&CLSID_MemoryAllocator, NULL, CLSCTX_INPROC_SERVER,
              &IID_IMemAllocator, (void**)&avimux->in[avimux->input_pin_no]->pin.pAllocator);
      if(FAILED(hr)) {
          IMemAllocator_Release(avimux->in[avimux->input_pin_no]->samples_allocator);
          BaseInputPinImpl_Release(&avimux->in[avimux->input_pin_no]->pin.pin.IPin_iface);
          return hr;
      }
  
      avimux->in[avimux->input_pin_no]->stream_time = 0;
      memset(&avimux->in[avimux->input_pin_no]->strh, 0, sizeof(avimux->in[avimux->input_pin_no]->strh));
      avimux->in[avimux->input_pin_no]->strf = NULL;
      memset(&avimux->in[avimux->input_pin_no]->indx_data, 0, sizeof(avimux->in[avimux->input_pin_no]->indx_data));
      memset(&avimux->in[avimux->input_pin_no]->ix_data, 0, sizeof(avimux->in[avimux->input_pin_no]->ix_data));
      avimux->in[avimux->input_pin_no]->indx = (AVISUPERINDEX*)&avimux->in[avimux->input_pin_no]->indx_data;
      avimux->in[avimux->input_pin_no]->ix = (AVISTDINDEX*)avimux->in[avimux->input_pin_no]->ix_data;
  
      avimux->input_pin_no++;
      return S_OK;
  }
  
  IUnknown* WINAPI QCAP_createAVIMux(IUnknown *pUnkOuter, HRESULT *phr)
  {
      static const WCHAR output_name[] = {'A','V','I',' ','O','u','t',0};
  
      AviMux *avimux;
      PIN_INFO info;
      HRESULT hr;
  
      TRACE("(%p)\n", pUnkOuter);
  
      if(pUnkOuter) {
          *phr = CLASS_E_NOAGGREGATION;
          return NULL;
      }
  
      avimux = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AviMux));
      if(!avimux) {
          *phr = E_OUTOFMEMORY;
          return NULL;
      }
  
      BaseFilter_Init(&avimux->filter, &AviMuxVtbl, &CLSID_AviDest,
              (DWORD_PTR)(__FILE__ ": AviMux.csFilter"), &filter_func_table);
      avimux->IConfigAviMux_iface.lpVtbl = &ConfigAviMuxVtbl;
      avimux->IConfigInterleaving_iface.lpVtbl = &ConfigInterleavingVtbl;
      avimux->IMediaSeeking_iface.lpVtbl = &MediaSeekingVtbl;
      avimux->IPersistMediaPropertyBag_iface.lpVtbl = &PersistMediaPropertyBagVtbl;
      avimux->ISpecifyPropertyPages_iface.lpVtbl = &SpecifyPropertyPagesVtbl;
  
      info.dir = PINDIR_OUTPUT;
      info.pFilter = &avimux->filter.IBaseFilter_iface;
      lstrcpyW(info.achName, output_name);
      hr = BaseOutputPin_Construct(&AviMuxOut_PinVtbl, sizeof(AviMuxOut), &info,
              &AviMuxOut_BaseOutputFuncTable, &avimux->filter.csFilter, (IPin**)&avimux->out);
      if(FAILED(hr)) {
          BaseFilterImpl_Release(&avimux->filter.IBaseFilter_iface);
          HeapFree(GetProcessHeap(), 0, avimux);
          *phr = hr;
          return NULL;
      }
      avimux->out->IQualityControl_iface.lpVtbl = &AviMuxOut_QualityControlVtbl;
      avimux->out->cur_stream = 0;
      avimux->out->cur_time = 0;
      avimux->out->stream = NULL;
  
      hr = create_input_pin(avimux);
      if(FAILED(hr)) {
          BaseOutputPinImpl_Release(&avimux->out->pin.pin.IPin_iface);
          BaseFilterImpl_Release(&avimux->filter.IBaseFilter_iface);
          HeapFree(GetProcessHeap(), 0, avimux);
          *phr = hr;
          return NULL;
      }
  
      avimux->interleave = 10000000;
  
      ObjectRefCount(TRUE);
      *phr = S_OK;
      return (IUnknown*)&avimux->filter.IBaseFilter_iface;
  }
  