diff options
| -rw-r--r-- | sys/src/cmd/audio/pcmconv/pcmconv.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/src/cmd/audio/pcmconv/pcmconv.c b/sys/src/cmd/audio/pcmconv/pcmconv.c index 0c9cba35c..3adda141a 100644 --- a/sys/src/cmd/audio/pcmconv/pcmconv.c +++ b/sys/src/cmd/audio/pcmconv/pcmconv.c @@ -209,12 +209,13 @@ dither(int *y, int ibits, int obits, int count) { static ulong prnd; - if(ibits >= 32 || ibits >= obits) + if(ibits >= 32 || obits >= ibits) return; while(count--){ prnd = (prnd*0x19660dL + 0x3c6ef35fL) & 0xffffffffL; - *y++ += ((int)prnd) >> ibits; + *y = clip((vlong)*y + ((int)prnd >> ibits)); + y++; } } |