EffectStage.cpp File Reference

#include "EffectStage.h"
#include "AudacityException.h"
#include "AudioGraphBuffers.h"
#include "WideSampleSequence.h"
#include <cassert>

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Namespaces
namespace	anonymous_namespace{EffectStage.cpp}

Functions
std::vector< std::shared_ptr< EffectInstance > >	anonymous_namespace{EffectStage.cpp}::MakeInstances (const EffectStage::Factory &factory, EffectSettings &settings, double sampleRate, const WideSampleSequence &sequence, std::optional< sampleCount > genLength, int channel)
unsigned	MakeChannelMap (const WideSampleSequence &sequence, int channel, ChannelName map[3])

Function Documentation

MakeChannelMap()

unsigned MakeChannelMap	(	const WideSampleSequence &	sequence,
		int	channel,
		ChannelName	map[3]
	)

Definition at line 372 of file EffectStage.cpp.

{
   const auto nChannels = sequence.NChannels();
   assert(channel < static_cast<int>(nChannels)); // precondition
 
   size_t index = 0;
   if (nChannels == 1)
      map[index++] = ChannelNameMono;
   else {
      // TODO: more-than-two-channels
      if (channel < 1)
         map[index++] = ChannelNameFrontLeft;
      if (channel != 0)
         map[index++] = ChannelNameFrontRight;
   }
   map[index] = ChannelNameEOL;
   return index;
}

References ChannelNameEOL, ChannelNameFrontLeft, ChannelNameFrontRight, ChannelNameMono, and WideSampleSequence::NChannels().

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

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