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sndiod: Pad the last play block using the right encoding

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Fixes the short noise when playback of unsigned samples stops. We've
to call enc_sil_do() instead of padding with 0 (0 doesn't represent
silence for unsigned encodings).

Mostly from gkoehler@
This commit is contained in:
ratchov 2024-12-21 08:57:18 +00:00
parent d6933ec7e0
commit 0cdbd9642b
1 changed files with 4 additions and 2 deletions
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6
usr.bin/sndiod/sock.c
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@ -1,4 +1,4 @@
/* $OpenBSD: sock.c,v 1.52 2024/12/20 07:35:56 ratchov Exp $ */ /* $OpenBSD: sock.c,v 1.53 2024/12/21 08:57:18 ratchov Exp $ */
/* /*
* Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org> * Copyright (c) 2008-2012 Alexandre Ratchov <alex@caoua.org>
* *
@ -797,6 +797,7 @@ sock_execmsg(struct sock *f)
struct ctl *c; struct ctl *c;
struct slot *s = f->slot; struct slot *s = f->slot;
struct amsg *m = &f->rmsg; struct amsg *m = &f->rmsg;
struct conv conv;
unsigned char *data; unsigned char *data;
unsigned int size, ctl; unsigned int size, ctl;
int cmd; int cmd;
@ -924,7 +925,8 @@ sock_execmsg(struct sock *f)
panic(); panic();
} }
#endif #endif
memset(data, 0, f->ralign); enc_init(&conv, &s->par, s->mix.nch);
enc_sil_do(&conv, data, f->ralign / s->mix.bpf);
abuf_wcommit(&s->mix.buf, f->ralign); abuf_wcommit(&s->mix.buf, f->ralign);
f->ralign = s->round * s->mix.bpf; f->ralign = s->round * s->mix.bpf;
} }