diff options
| author |   ratchov <ratchov@openbsd.org> | 2010-01-17 16:09:30 +0000 |
|---|---|---|
| committer | ratchov <ratchov@openbsd.org> | 2010-01-17 16:09:30 +0000 |
| commit | 9290d5ec038dc83750ac65be1768ae220de50ec2 (patch) | |
| tree | 030ff0b10ccd7ddefcb7efa23a81b4409af21c39 | |
| parent | default output file ends in ".dat", not ".out"; (diff) | |
| download | wireguard-openbsd-9290d5ec038dc83750ac65be1768ae220de50ec2.tar.xz wireguard-openbsd-9290d5ec038dc83750ac65be1768ae220de50ec2.zip | |
fix quality degradation when resampling
| -rw-r--r-- | usr.bin/aucat/aproc.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/usr.bin/aucat/aproc.c b/usr.bin/aucat/aproc.c index 13012ff56ea..d8ad5c1d91b 100644 --- a/usr.bin/aucat/aproc.c +++ b/usr.bin/aucat/aproc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: aproc.c,v 1.46 2010/01/15 22:17:10 ratchov Exp $ */ +/* $OpenBSD: aproc.c,v 1.47 2010/01/17 16:09:30 ratchov Exp $ */ /* * Copyright (c) 2008 Alexandre Ratchov <alex@caoua.org> * @@ -1268,7 +1268,7 @@ resamp_bcopy(struct aproc *p, struct abuf *ibuf, struct abuf *obuf) } diff += oblksz; ifr--; - } else if (diff > 0) { + } else { if (ofr == 0) break; ctx = ctxbuf; @@ -1280,18 +1280,6 @@ resamp_bcopy(struct aproc *p, struct abuf *ibuf, struct abuf *obuf) } diff -= iblksz; ofr--; - } else { - if (ifr == 0 || ofr == 0) - break; - ctx_start ^= 1; - ctx = ctxbuf + ctx_start; - for (c = inch; c > 0; c--) { - *ctx = *odata++ = *idata++; - ctx += RESAMP_NCTX; - } - ifr--; - ofr--; - diff += oblksz - iblksz; } } p->u.resamp.diff = diff; @@ -1399,7 +1387,7 @@ resamp_new(char *name, unsigned iblksz, unsigned oblksz) p = aproc_new(&resamp_ops, name); p->u.resamp.iblksz = iblksz; p->u.resamp.oblksz = oblksz; - p->u.resamp.diff = 0; + p->u.resamp.diff = (iblksz >= oblksz) ? -oblksz : 0; p->u.resamp.idelta = 0; p->u.resamp.odelta = 0; p->u.resamp.ctx_start = 0; |