diff options
Diffstat (limited to 'intern/audaspace/FX/AUD_SquareFactory.cpp')
| -rw-r--r-- | intern/audaspace/FX/AUD_SquareFactory.cpp | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/intern/audaspace/FX/AUD_SquareFactory.cpp b/intern/audaspace/FX/AUD_SquareFactory.cpp index b95c9d9bb0f..c321a13d79a 100644 --- a/intern/audaspace/FX/AUD_SquareFactory.cpp +++ b/intern/audaspace/FX/AUD_SquareFactory.cpp @@ -24,7 +24,23 @@ */ #include "AUD_SquareFactory.h" -#include "AUD_SquareReader.h" +#include "AUD_CallbackIIRFilterReader.h" + +sample_t squareFilter(AUD_CallbackIIRFilterReader* reader, float* threshold) +{ + float in = reader->x(0); + if(in >= *threshold) + return 1; + else if(in <= -*threshold) + return -1; + else + return 0; +} + +void endSquareFilter(float* threshold) +{ + delete threshold; +} AUD_SquareFactory::AUD_SquareFactory(AUD_IFactory* factory, float threshold) : AUD_EffectFactory(factory), @@ -39,5 +55,8 @@ float AUD_SquareFactory::getThreshold() const AUD_IReader* AUD_SquareFactory::createReader() const { - return new AUD_SquareReader(getReader(), m_threshold); + return new AUD_CallbackIIRFilterReader(getReader(), 1, 1, + (doFilterIIR) squareFilter, + (endFilterIIR) endSquareFilter, + new float(m_threshold)); } |