AudioIoCallback::TransportState Struct Reference

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

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

Detailed Description

Definition at line 131 of file AudioIO.cpp.

Constructor & Destructor Documentation

TransportState()

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

inline

Definition at line 132 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 sample sequence.
         mpRealtimeInitialization.emplace(
            move(wOwningProject), sampleRate, numPlaybackChannels);
         // The following adds a new effect processor for each logical sequence.
         for (size_t i = 0, cnt = playbackSequences.size(); i < cnt; ++i) {
            // An array only of non-null leaders should be given to us
            const auto vt = playbackSequences[i].get();
            const auto pGroup = vt ? vt->FindChannelGroup() : nullptr;
            if (!(pGroup && pGroup->IsLeader())) {
               assert(false);
               continue;
            }
            mpRealtimeInitialization
               ->AddGroup(*pGroup, numPlaybackChannels, sampleRate);
         }
      }
   }

References mpRealtimeInitialization, and anonymous_namespace{ClipSegmentTest.cpp}::sampleRate.

Member Data Documentation

mpRealtimeInitialization

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

Definition at line 157 of file AudioIO.cpp.

Referenced by TransportState().

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

• AudioIO.cpp