Module Name: src
Committed By: nat
Date: Fri Dec 23 21:01:00 UTC 2016
Modified Files:
src/sys/dev: audio.c
Log Message:
Simplify. Handle draining of vc[0] differently.
Addresses PR kern/51710 audio playback works only once.
To generate a diff of this commit:
cvs rdiff -u -r1.285 -r1.286 src/sys/dev/audio.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/audio.c
diff -u src/sys/dev/audio.c:1.285 src/sys/dev/audio.c:1.286
--- src/sys/dev/audio.c:1.285 Sat Dec 17 17:04:04 2016
+++ src/sys/dev/audio.c Fri Dec 23 21:01:00 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: audio.c,v 1.285 2016/12/17 17:04:04 maya Exp $ */
+/* $NetBSD: audio.c,v 1.286 2016/12/23 21:01:00 nat Exp $ */
/*-
* Copyright (c) 2016 Nathanial Sloss <nathanialsl...@yahoo.com.au>
@@ -148,7 +148,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.285 2016/12/17 17:04:04 maya Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.286 2016/12/23 21:01:00 nat Exp $");
#include "audio.h"
#if NAUDIO > 0
@@ -2094,6 +2094,7 @@ audio_drain(struct audio_softc *sc, int
KASSERT(mutex_owned(sc->sc_lock));
KASSERT(mutex_owned(sc->sc_intr_lock));
+ error = 0;
DPRINTF(("audio_drain: enter busy=%d\n", sc->sc_vchan[n]->sc_pbus));
cb = &sc->sc_vchan[n]->sc_mpr;
if (cb->mmapped)
@@ -2117,7 +2118,8 @@ audio_drain(struct audio_softc *sc, int
error = audiostartp(sc, n);
if (error)
return error;
- }
+ } else if (n == 0)
+ goto silence_buffer;
/*
* Play until a silence block has been played, then we
* know all has been drained.
@@ -2144,6 +2146,8 @@ audio_drain(struct audio_softc *sc, int
error = EIO;
}
+silence_buffer:
+
used = 0;
if (sc->sc_opens == 1) {
cb = &sc->sc_pr;
@@ -3266,6 +3270,8 @@ audiostartp(struct audio_softc *sc, int
if (sc->sc_trigger_started == false) {
mix_write(sc);
+ mix_func(sc, &vc->sc_mpr, n);
+ mix_write(sc);
cv_broadcast(&sc->sc_condvar);
}
@@ -5243,9 +5249,6 @@ mix_write(void *arg)
blksize = vc->sc_mpr.blksize;
cc = blksize;
- if (sc->sc_trigger_started == false)
- cc *= 2;
-
cc1 = cc;
if (vc->sc_pustream->inp + cc > vc->sc_pustream->end)
cc1 = vc->sc_pustream->end - vc->sc_pustream->inp;
@@ -5283,10 +5286,6 @@ mix_write(void *arg)
audio_clear(sc, 0);
}
}
- if (sc->sc_trigger_started == false) {
- vc->sc_mpr.s.outp = audio_stream_add_outp(&vc->sc_mpr.s,
- vc->sc_mpr.s.outp, blksize);
- }
sc->sc_trigger_started = true;
}
@@ -5298,8 +5297,6 @@ mix_func8(struct audio_softc *sc, struct
blksize = sc->sc_vchan[0]->sc_mpr.blksize;
resid = blksize;
- if (sc->sc_trigger_started == false)
- resid *= 2;
tomix = __UNCONST(cb->s.outp);
orig = (int8_t *)(sc->sc_pr.s.start);
@@ -5336,8 +5333,6 @@ mix_func16(struct audio_softc *sc, struc
blksize = sc->sc_vchan[0]->sc_mpr.blksize;
resid = blksize;
- if (sc->sc_trigger_started == false)
- resid *= 2;
tomix = __UNCONST(cb->s.outp);
orig = (int16_t *)(sc->sc_pr.s.start);
@@ -5374,8 +5369,6 @@ mix_func32(struct audio_softc *sc, struc
blksize = sc->sc_vchan[0]->sc_mpr.blksize;
resid = blksize;
- if (sc->sc_trigger_started == false)
- resid *= 2;
tomix = __UNCONST(cb->s.outp);
orig = (int32_t *)(sc->sc_pr.s.start);
