From 8af0757b61990767f2a85e68f535a5af9976fd79 Mon Sep 17 00:00:00 2001 From: Taybin Rutkin Date: Sat, 24 Sep 2005 19:13:41 +0000 Subject: libardour added. git-svn-id: svn://localhost/trunk/ardour2@17 d708f5d6-7413-0410-9779-e7cbd77b26cf --- libs/ardour/ardour/noise.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 libs/ardour/ardour/noise.h (limited to 'libs/ardour/ardour/noise.h') diff --git a/libs/ardour/ardour/noise.h b/libs/ardour/ardour/noise.h new file mode 100644 index 0000000000..b06b02399b --- /dev/null +++ b/libs/ardour/ardour/noise.h @@ -0,0 +1,19 @@ +#ifndef NOISE_H +#define NOISE_H + +/* Can be overrriden with any code that produces whitenoise between 0.0f and + * 1.0f, eg (random() / (float)RAND_MAX) should be a good source of noise, but + * its expensive */ +#ifndef GDITHER_NOISE +#define GDITHER_NOISE gdither_noise() +#endif + +inline static float gdither_noise() +{ + static uint32_t rnd = 23232323; + rnd = (rnd * 196314165) + 907633515; + + return rnd * 2.3283064365387e-10f; +} + +#endif -- cgit v1.2.3