diff options
Diffstat (limited to '')
| -rw-r--r-- | src/pcm_dither.c | 2 | ||||
| -rw-r--r-- | src/pcm_prng.h | 3 | ||||
| -rw-r--r-- | src/pcm_volume.h | 2 |
3 files changed, 4 insertions, 3 deletions
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); } |