AudioGraph Namespace Reference

Classes
class	Buffers
	Accumulates (non-interleaved) data during effect processing. More...
class	EffectStage
	Decorates a source with a non-timewarping effect, which may have latency. More...
class	Sink
	Downstream receiver of sample streams, taking Buffers as external context. More...
class	Source
	Upstream producer of sample streams, taking Buffers as external context. More...
struct	Task
	Copies from a Source to a Sink, mediated by Buffers. More...

Functions
AUDIO_GRAPH_API unsigned	MakeChannelMap (const Track &track, bool multichannel, ChannelName map[3])

Function Documentation

MakeChannelMap()

unsigned AudioGraph::MakeChannelMap	(	const Track &	track,
		bool	multichannel,
		ChannelName	map[3]
	)

Definition at line 379 of file EffectStage.cpp.

{
   // Iterate either over one track which could be any channel,
   // or if multichannel, then over all channels of track,
   // which is a leader.
   unsigned numChannels = 0;
   for (auto channel : TrackList::Channels(&track).StartingWith(&track)) {
      if (channel->GetChannel() == Track::LeftChannel)
         map[numChannels] = ChannelNameFrontLeft;
      else if (channel->GetChannel() == Track::RightChannel)
         map[numChannels] = ChannelNameFrontRight;
      else
         map[numChannels] = ChannelNameMono;
      ++ numChannels;
      map[numChannels] = ChannelNameEOL;
      if (! multichannel)
         break;
      if (numChannels == 2) {
         // TODO: more-than-two-channels
         // Ignore other channels
         break;
      }
   }
   return numChannels;
}

References ChannelNameEOL, ChannelNameFrontLeft, ChannelNameFrontRight, ChannelNameMono, TrackList::Channels(), Track::LeftChannel, and Track::RightChannel.

Referenced by anonymous_namespace{EffectStage.cpp}::MakeInstances(), and PerTrackEffect::ProcessPass().

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