Mix.cpp File Reference

#include "Mix.h"
#include "MixerSource.h"
#include <cmath>
#include "EffectStage.h"
#include "Dither.h"
#include "Resample.h"
#include "WideSampleSequence.h"
#include "float_cast.h"
#include <numeric>

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Namespaces
namespace	anonymous_namespace{Mix.cpp}

Macros
#define	stackAllocate(T, count)   static_cast<T*>(alloca(count * sizeof(T)))

Functions
template<typename T , typename F >
std::vector< T >	anonymous_namespace{Mix.cpp}::initVector (size_t dim1, const F &f)
template<typename T >
std::vector< std::vector< T > >	anonymous_namespace{Mix.cpp}::initVector (size_t dim1, size_t dim2)
void	anonymous_namespace{Mix.cpp}::ConsiderStages (const Mixer::Stages &stages, size_t &blockSize)
size_t	anonymous_namespace{Mix.cpp}::FindBufferSize (const Mixer::Inputs &inputs, const std::optional< Mixer::Stages > &masterEffects, size_t bufferSize)
static void	MixBuffers (unsigned numChannels, const unsigned char *channelFlags, const float *gains, const float &src, AudioGraph::Buffers &dests, int len)

Macro Definition Documentation

stackAllocate

#define stackAllocate	(		T,
			count
	)		static_cast<T*>(alloca(count * sizeof(T)))

Definition at line 282 of file Mix.cpp.

Function Documentation

MixBuffers()

static void MixBuffers ( unsigned  numChannels, const unsigned char *  channelFlags, const float *  gains, const float &  src, AudioGraph::Buffers &  dests, int  len  )

static

Definition at line 268 of file Mix.cpp.

{
   const auto pSrc = &src;
   for (unsigned int c = 0; c < numChannels; c++) {
      if (!channelFlags[c])
         continue;
      auto dest = &dests.GetWritePosition(c);
      for (int j = 0; j < len; ++j)
         dest[j] += pSrc[j] * gains[c];   // the actual mixing process
   }
}

References AudioGraph::Buffers::GetWritePosition().

Referenced by Mixer::Acquire().

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