From b7b5e3f9c30a9ed898cddb1b5e4b471750824600 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Wed, 7 Jan 2009 18:07:19 +0100 Subject: pcm_prng: renamed prng() to pcm_prng() --- src/pcm_dither.c | 2 +- src/pcm_prng.h | 3 ++- src/pcm_volume.h | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/pcm_dither.c b/src/pcm_dither.c index 984949685..2b4c8ab50 100644 --- a/src/pcm_dither.c +++ b/src/pcm_dither.c @@ -43,7 +43,7 @@ pcm_dither_sample_24_to_16(int32_t sample, struct pcm_dither_24 *dither) /* round */ output = sample + round; - rnd = prng(dither->random); + rnd = pcm_prng(dither->random); output += (rnd & mask) - (dither->random & mask); dither->random = rnd; diff --git a/src/pcm_prng.h b/src/pcm_prng.h index e961baacd..f39d4c096 100644 --- a/src/pcm_prng.h +++ b/src/pcm_prng.h @@ -23,7 +23,8 @@ * A very simple linear congruential PRNG. It's good enough for PCM * dithering. */ -static unsigned long prng(unsigned long state) +static unsigned long +pcm_prng(unsigned long state) { return (state * 0x0019660dL + 0x3c6ef35fL) & 0xffffffffL; } diff --git a/src/pcm_volume.h b/src/pcm_volume.h index eb3f8d6ee..ec6c2ea4e 100644 --- a/src/pcm_volume.h +++ b/src/pcm_volume.h @@ -46,7 +46,7 @@ pcm_dither(void) static unsigned long state; uint32_t r; - r = state = prng(state); + r = state = pcm_prng(state); return (r & 511) - ((r >> 9) & 511); } -- cgit v1.2.3