AudioIoCallback::TransportState Struct Reference

Public Member Functions
	TransportState (std::weak_ptr< AudacityProject > wOwningProject, const SampleTrackConstArray &playbackTracks, unsigned numPlaybackChannels, double sampleRate)

Public Attributes
std::optional< RealtimeEffects::InitializationScope >	mpRealtimeInitialization

Detailed Description

Definition at line 152 of file AudioIO.cpp.

Constructor & Destructor Documentation

TransportState()

AudioIoCallback::TransportState::TransportState ( std::weak_ptr< AudacityProject >  wOwningProject, const SampleTrackConstArray &  playbackTracks, unsigned  numPlaybackChannels, double  sampleRate  )

inline

Definition at line 153 of file AudioIO.cpp.

   {
      if (auto pOwningProject = wOwningProject.lock();
          pOwningProject && numPlaybackChannels > 0) {
         // Setup for realtime playback at the rate of the realtime
         // stream, not the rate of the track.
         mpRealtimeInitialization.emplace(
            move(wOwningProject), sampleRate, numPlaybackChannels);
         // The following adds a new effect processor for each logical track.
         for (size_t i = 0, cnt = playbackTracks.size(); i < cnt;) {
            // An array of non-nulls only should be given to us
            auto vt = playbackTracks[i].get();
            if (!vt) {
               wxASSERT(false);
               continue;
            }
            unsigned chanCnt = TrackList::Channels(vt).size();
            i += chanCnt; // Visit leaders only
            mpRealtimeInitialization
               ->AddTrack(*vt, numPlaybackChannels, sampleRate);
         }
      }
   }

References TrackList::Channels(), and mpRealtimeInitialization.

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Member Data Documentation

mpRealtimeInitialization

std::optional<RealtimeEffects::InitializationScope> AudioIoCallback::TransportState::mpRealtimeInitialization

Definition at line 179 of file AudioIO.cpp.

Referenced by TransportState().

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The documentation for this struct was generated from the following file:

• AudioIO.cpp