diff options
Diffstat (limited to 'pd/portaudio/pa_common/pa_dither.c')
| -rw-r--r-- | pd/portaudio/pa_common/pa_dither.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pd/portaudio/pa_common/pa_dither.c b/pd/portaudio/pa_common/pa_dither.c index eb6bec38..0600db62 100644 --- a/pd/portaudio/pa_common/pa_dither.c +++ b/pd/portaudio/pa_common/pa_dither.c @@ -1,5 +1,5 @@ /* - * $Id: pa_dither.c,v 1.1.2.5 2003/09/20 21:06:19 rossbencina Exp $ + * $Id: pa_dither.c,v 1.1.2.6 2005/05/28 22:49:02 rossbencina Exp $ * Portable Audio I/O Library triangular dither generator * * Based on the Open Source API proposed by Ross Bencina @@ -35,6 +35,7 @@ #include "pa_dither.h" +#include "pa_types.h" #define PA_DITHER_BITS_ (15) @@ -59,7 +60,7 @@ signed long PaUtil_Generate16BitTriangularDither( PaUtilTriangularDitherGenerato * Shift before adding to prevent overflow which would skew the distribution. * Also shift an extra bit for the high pass filter. */ -#define DITHER_SHIFT_ ((32 - PA_DITHER_BITS_) + 1) +#define DITHER_SHIFT_ ((SIZEOF_LONG*8 - PA_DITHER_BITS_) + 1) current = (((signed long)state->randSeed1)>>DITHER_SHIFT_) + (((signed long)state->randSeed2)>>DITHER_SHIFT_); @@ -86,7 +87,7 @@ float PaUtil_GenerateFloatTriangularDither( PaUtilTriangularDitherGenerator *sta * Shift before adding to prevent overflow which would skew the distribution. * Also shift an extra bit for the high pass filter. */ -#define DITHER_SHIFT_ ((32 - PA_DITHER_BITS_) + 1) +#define DITHER_SHIFT_ ((SIZEOF_LONG*8 - PA_DITHER_BITS_) + 1) current = (((signed long)state->randSeed1)>>DITHER_SHIFT_) + (((signed long)state->randSeed2)>>DITHER_SHIFT_); |