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author | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-08 22:26:17 +0900 |
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committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-12-08 22:26:17 +0900 |
commit | fce86b22a2367f1be1f9aae5e1ba3d18d1371b74 (patch) | |
tree | 707fe84fef0569a152e632ce1e16407f9d19a3d2 /arts/modules/effects/freeverb/allpass.h | |
parent | 41fa1afc2c571b909acd0312e4eebb4a0b21e3c2 (diff) | |
download | tdemultimedia-fce86b22a2367f1be1f9aae5e1ba3d18d1371b74.tar.gz tdemultimedia-fce86b22a2367f1be1f9aae5e1ba3d18d1371b74.zip |
Renaming of files in preparation for code style tools.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'arts/modules/effects/freeverb/allpass.h')
-rw-r--r-- | arts/modules/effects/freeverb/allpass.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arts/modules/effects/freeverb/allpass.h b/arts/modules/effects/freeverb/allpass.h new file mode 100644 index 00000000..853c7d41 --- /dev/null +++ b/arts/modules/effects/freeverb/allpass.h @@ -0,0 +1,48 @@ +// Allpass filter declaration +// +// Written by Jezar at Dreampoint, June 2000 +// http://www.dreampoint.co.uk +// This code is public domain + +#ifndef _allpass_ +#define _allpass_ +#include "denormals.h" + +class allpass +{ +public: + allpass(); + void setbuffer(float *buf, int size); + inline float process(float inp); + void mute(); + void setfeedback(float val); + float getfeedback(); +// private: + float feedback; + float *buffer; + int bufsize; + int bufidx; +}; + + +// Big to inline - but crucial for speed + +inline float allpass::process(float input) +{ + float output; + float bufout; + + bufout = buffer[bufidx]; + undenormalise(bufout); + + output = -input + bufout; + buffer[bufidx] = input + (bufout*feedback); + + if(++bufidx>=bufsize) bufidx = 0; + + return output; +} + +#endif//_allpass + +//ends |