C++ Track::GetMute方法代码示例

void ExportMultiple::CountTracksAndLabels()
{
   mLabels = NULL;
   mNumLabels = 0;
   mNumWaveTracks = 0;

   Track* pTrack;
   for (pTrack = mIterator->First(mTracks); pTrack != NULL; pTrack = mIterator->Next())
   {
      switch (pTrack->GetKind())
      {
         // Count WaveTracks, and for linked pairs, count only the second of the pair.
         case Track::Wave:
         {
            if (!pTrack->GetMute() && !pTrack->GetLinked()) // Don't count muted tracks.
               mNumWaveTracks++;
            break;
         }

         // Only support one label track???
         case Track::Label:
         {
            // Supports only one LabelTrack.
            if (mLabels == NULL) {
               mLabels = (LabelTrack*)pTrack;
               mNumLabels = mLabels->GetNumLabels();
            }
            break;
         }
      }
   }
}

int TrackList::GetNumExportChannels(bool selectionOnly)
{
   /* counters for tracks panned different places */
   int numLeft = 0;
   int numRight = 0;
   int numMono = 0;
   /* track iteration kit */
   Track *tr;
   TrackListIterator iter;

   for (tr = iter.First(this); tr != NULL; tr = iter.Next()) {

      // Want only unmuted wave tracks.
      if ((tr->GetKind() != Track::Wave) || tr->GetMute())
         continue;

      // do we only want selected ones?
      if (selectionOnly && !(tr->GetSelected())) {
         //want selected but this one is not
         continue;
      }

      // Found a left channel
      if (tr->GetChannel() == Track::LeftChannel) {
         numLeft++;
      }

      // Found a right channel
      else if (tr->GetChannel() == Track::RightChannel) {
         numRight++;
      }

      // Found a mono channel, but it may be panned
      else if (tr->GetChannel() == Track::MonoChannel) {
         float pan = ((WaveTrack*)tr)->GetPan();

         // Figure out what kind of channel it should be
         if (pan == -1.0) {   // panned hard left
            numLeft++;
         }
         else if (pan == 1.0) {  // panned hard right
            numRight++;
         }
         else if (pan == 0) { // panned dead center
            numMono++;
         }
         else {   // panned somewhere else
            numLeft++;
            numRight++;
         }
      }
   }

   // if there is stereo content, report 2, else report 1
   if (numRight > 0 || numLeft > 0) {
      return 2;
   }

   return 1;
}

// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
#if defined(__WXMSW__)
   if( childId == wxACC_SELF )
   {
      *name = _( "TrackView" );
   }
   else
   {
      Track *t = FindTrack( childId );

      if( t == NULL )
      {
         return wxACC_FAIL;
      }
      else
      {
         *name = t->GetName();
         if( *name == t->GetDefaultName() )
         {
            /* i18n-hint: The %d is replaced by th enumber of the track.*/
            name->Printf(_("Track %d"), TrackNum( t ) );
         }

         // LLL: Remove these during "refactor"
         if( t->GetMute() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               on this track mute is on.*/
            *name->Append( _( " Mute On" ) );
         }
         
         if( t->GetSolo() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               on this track solo is on.*/
            *name->Append( _( " Solo On" ) );
         }
         if( t->GetSelected() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this track is selected.*/
            *name->Append( _( " Select On" ) );
         }
      }
   }

   return wxACC_OK;
#endif

#if defined(__WXMAC__)
   return wxACC_NOT_IMPLEMENTED;
#endif
}

wxAccStatus TrackPanelAx::GetValue( int WXUNUSED(childId), wxString* WXUNUSED(strValue) )
#endif
{
#if defined(__WXMSW__)
   return wxACC_NOT_IMPLEMENTED;
#endif

#if defined(__WXMAC__)
   if( childId == wxACC_SELF )
   {
      *strValue = _( "TrackView" );
   }
   else
   {
      Track *t = FindTrack( childId );

      if( t == NULL )
      {
         return wxACC_FAIL;
      }
      else
      {
         *strValue = t->GetName();
         if( *strValue == t->GetDefaultName() )
         {
            strValue->Printf(_("Track %d"), TrackNum( t ) );
         }

         // LLL: Remove these during "refactor"
         if( t->GetMute() )
         {
            strValue->Append( _( " Mute On" ) );
         }

         if( t->GetSolo() )
         {
            strValue->Append( _( " Solo On" ) );
         }
         if( t->GetSelected() )
         {
            strValue->Append( _( " Select On" ) );
         }
      }
   }
   return wxACC_OK;
#endif
}

// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
   if( childId == wxACC_SELF )
   {
      *name = _( "TrackView" );
   }
   else
   {
      Track *t = FindTrack( childId );

      if( t == NULL )
      {
         *name = _( "Track Accessible out of sync" );
         return wxACC_FAIL;
      }
      else
      {
         *name = t->GetName();
         if( *name == t->GetDefaultName() )
         {
            name->Printf(_("Track %d"), TrackNum( t ) );
         }

         // LLL: Remove these during "refactor"
         if( t->GetMute() )
         {
            *name->Append( _( " Mute On" ) );
         }
         
         if( t->GetSolo() )
         {
            *name->Append( _( " Solo On" ) );
         }
         if( t->GetSelected() )
         {
            *name->Append( _( " Select On" ) );
         }
      }
   }

   return wxACC_OK;
}

// Gets the name of the specified object.
wxAccStatus TrackPanelAx::GetName( int childId, wxString* name )
{
#if defined(__WXMSW__)
   if( childId == wxACC_SELF )
   {
      *name = _( "TrackView" );
   }
   else
   {
      Track *t = FindTrack( childId );

      if( t == NULL )
      {
         return wxACC_FAIL;
      }
      else
      {
         *name = t->GetName();
         if( *name == t->GetDefaultName() )
         {
            /* i18n-hint: The %d is replaced by th enumber of the track.*/
            name->Printf(_("Track %d"), TrackNum( t ) );
         }

         if (t->GetKind() == Track::Label)
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this is a Label track.*/
            name->Append( wxT(" ") + wxString(_("Label Track")));
         }
         else if (t->GetKind() == Track::Time)
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this is a Time track.*/
            name->Append( wxT(" ") + wxString(_("Time Track")));
         }
         else if (t->GetKind() == Track::Note)
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this is a Note track.*/
            name->Append( wxT(" ") + wxString(_("Note Track")));
         }

         // LLL: Remove these during "refactor"
         if( t->GetMute() )
         {
            // The following comment also applies to the solo, selected,
            // and synclockselected states.
            // Many of translations of the strings with a leading space omitted
            // the leading space. Therefore a space has been added using wxT(" ").
            // Because screen readers won't be affected by multiple spaces, the
            // leading spaces have not been removed, so that no new translations are needed.
            /* i18n-hint: This is for screen reader software and indicates that
               on this track mute is on.*/
            name->Append( wxT(" ") + wxString(_( " Mute On" )) );
         }

         if( t->GetSolo() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               on this track solo is on.*/
            name->Append( wxT(" ") + wxString(_( " Solo On" )) );
         }
         if( t->GetSelected() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this track is selected.*/
            name->Append( wxT(" ") + wxString(_( " Select On" )) );
         }
         if( t->IsSyncLockSelected() )
         {
            /* i18n-hint: This is for screen reader software and indicates that
               this track is shown with a sync-locked icon.*/
            // The absence of a dash between Sync and Locked is deliberate -
            // if present, Jaws reads it as "dash".
            name->Append( wxT(" ") + wxString(_( " Sync Lock Selected" )) );
         }
      }
   }

   return wxACC_OK;
#endif

#if defined(__WXMAC__)
   return wxACC_NOT_IMPLEMENTED;
#endif
}

bool GetTrackInfoCommand::Apply(CommandExecutionContext context)
{
   wxString mode = GetString(wxT("Type"));

   long trackIndex = GetLong(wxT("TrackIndex"));

   // Get the track indicated by the TrackIndex parameter
   // (Note: this ought to be somewhere else)
   long i = 0;
   TrackListIterator iter(context.proj->GetTracks());
   Track *t = iter.First();
   while (t && i != trackIndex)
   {
      t = iter.Next();
      ++i;
   }
   if (i != trackIndex || !t)
   {
      Error(wxT("TrackIndex was invalid."));
      return false;
   }

   // Now get the particular desired item about the track of interest
   if (mode.IsSameAs(wxT("Name")))
   {
      Status(t->GetName());
   }
   else if (mode.IsSameAs(wxT("StartTime")))
   {
      Status(wxString::Format(wxT("%f"), t->GetStartTime()));
   }
   else if (mode.IsSameAs(wxT("EndTime")))
   {
      Status(wxString::Format(wxT("%f"), t->GetEndTime()));
   }
   else if (mode.IsSameAs(wxT("Pan")))
   {
     if(t->GetKind() == Track::Wave)
       Status(wxString::Format(wxT("%f"), static_cast<WaveTrack*>(t)->GetPan()));
   }
   else if (mode.IsSameAs(wxT("Gain")))
   {
      if(t->GetKind() == Track::Wave)
         Status(wxString::Format(wxT("%f"), static_cast<WaveTrack*>(t)->GetGain()));
   }
   else if (mode.IsSameAs(wxT("Focused")))
   {
      TrackPanel *panel = context.proj->GetTrackPanel();
      SendBooleanStatus(panel->GetFocusedTrack() == t);
   }
   else if (mode.IsSameAs(wxT("Selected")))
   {
      SendBooleanStatus(t->GetSelected());
   }
   else if (mode.IsSameAs(wxT("Linked")))
   {
      SendBooleanStatus(t->GetLinked());
   }
   else if (mode.IsSameAs(wxT("Solo")))
   {
      if (t->GetKind() == Track::Wave)
         SendBooleanStatus(t->GetSolo());
      else
         SendBooleanStatus(false);
   }
   else if (mode.IsSameAs(wxT("Mute")))
   {
      if (t->GetKind() == Track::Wave)
         SendBooleanStatus(t->GetMute());
      else
         SendBooleanStatus(false);
   }
   else
   {
      Error(wxT("Invalid info type!"));
      return false;
   }
   return true;
}

void AudioIO::FillBuffers()
{
   unsigned int numEmpty = 0;
   unsigned int i;
   
   // Playback buffers

   for(i=0; i<mNumOutBuffers; i++) {
      if (mOutBuffer[i].ID == 0)
         numEmpty++;
   }
   
   if (numEmpty > (mNumOutBuffers/2)) {
      sampleCount block = numEmpty * mBufferSize;   
      double deltat = block / mRate;
      if (mT + deltat > mT1) {
         deltat = mT1 - mT;
         if(deltat < 0.0) return;
         block = (sampleCount)(deltat * mRate + 0.5);
      }
      
      Mixer *mixer = new Mixer(mNumOutChannels, block, true,
                               mRate, mFormat);
      mixer->UseVolumeSlider(mProject->GetControlToolBar());

      mixer->Clear();

      TrackListIterator iter2(mTracks);
      int numSolo = 0;
      Track *vt = iter2.First();
      while (vt) {
         if (vt->GetKind() == Track::Wave && vt->GetSolo())
            numSolo++;
         vt = iter2.Next();
      }

      TrackListIterator iter(mTracks);
      vt = iter.First();
      while (vt) {
         if (vt->GetKind() == Track::Wave) {      

            Track *mt = vt;
         
            // We want to extract mute and solo information from
            // the top of the two tracks if they're linked
            // (i.e. a stereo pair only has one set of mute/solo buttons)
            Track *partner = mTracks->GetLink(vt);
            if (partner && !vt->GetLinked())
               mt = partner;
            else
               mt = vt;

            // Cut if somebody else is soloing
            if (numSolo>0 && !mt->GetSolo()) {
               vt = iter.Next();
               continue;
            }
            
            // Cut if we're muted (unless we're soloing)
            if (mt->GetMute() && !mt->GetSolo()) {
               vt = iter.Next();
               continue;
            }

            WaveTrack *t = (WaveTrack *) vt;
            
            switch (t->GetChannel()) {
            case Track::LeftChannel:
               mixer->MixLeft(t, mT, mT + deltat);
               break;
            case Track::RightChannel:
               mixer->MixRight(t, mT, mT + deltat);
               break;
            case Track::MonoChannel:
               mixer->MixMono(t, mT, mT + deltat);
               break;
            }
         }

         vt = iter.Next();
      }     
   
      // Copy the mixed samples into the buffers

      samplePtr outbytes = mixer->GetBuffer();   

      for(i=0; i<mNumOutBuffers && block>0; i++)
         if (mOutBuffer[i].ID == 0) {
            sampleCount count;
            if (block > mBufferSize)
               count = mBufferSize;
            else
               count = block;
            
            memcpy(mOutBuffer[i].data, outbytes,
                   count*mNumOutChannels*SAMPLE_SIZE(mFormat));
            block -= count;
            outbytes += (count*mNumOutChannels*SAMPLE_SIZE(mFormat));
            mOutBuffer[i].len = count;
            mOutBuffer[i].ID = mOutID;
//.........这里部分代码省略.........