Module Name: src
Committed By: nat
Date: Fri Apr 14 00:05:46 UTC 2017
Modified Files:
src/sys/dev: audio.c
Log Message:
Increase the priority of the mixing thread yet again.
Ensure that there is data in the mix ring.
Addresses PR kern/52098.
To generate a diff of this commit:
cvs rdiff -u -r1.323 -r1.324 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:1.323 src/sys/dev/audio.c:1.324
--- src/sys/dev/audio.c:1.323 Wed Apr 12 14:21:12 2017
+++ src/sys/dev/audio.c Fri Apr 14 00:05:46 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: audio.c,v 1.323 2017/04/12 14:21:12 nat Exp $ */
+/* $NetBSD: audio.c,v 1.324 2017/04/14 00:05:46 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 1.323 2017/04/12 14:21:12 nat Exp $");
+__KERNEL_RCSID(0, "$NetBSD: audio.c,v 1.324 2017/04/14 00:05:46 nat Exp $");
#include "audio.h"
#if NAUDIO > 0
@@ -882,9 +882,9 @@ bad_rec:
#ifdef AUDIO_PM_IDLE
callout_schedule(&sc->sc_idle_counter, audio_idle_timeout * hz);
#endif
- kthread_create(PRI_BIO, KTHREAD_MPSAFE | KTHREAD_MUSTJOIN, NULL,
+ kthread_create(PRI_SOFTBIO, KTHREAD_MPSAFE | KTHREAD_MUSTJOIN, NULL,
audio_rec_thread, sc, &sc->sc_recthread, "audiorec");
- kthread_create(PRI_BIO, KTHREAD_MPSAFE | KTHREAD_MUSTJOIN, NULL,
+ kthread_create(PRI_SOFTBIO, KTHREAD_MPSAFE | KTHREAD_MUSTJOIN, NULL,
audio_play_thread, sc, &sc->sc_playthread, "audiomix");
audiorescan(self, "audio", NULL);
}
@@ -5893,9 +5893,11 @@ audio_play_thread(void *v)
}
mutex_exit(sc->sc_intr_lock);
- mutex_enter(sc->sc_lock);
- audio_mix(sc);
- mutex_exit(sc->sc_lock);
+ while (audio_stream_get_used(&sc->sc_pr.s) < sc->sc_pr.blksize) {
+ mutex_enter(sc->sc_lock);
+ audio_mix(sc);
+ mutex_exit(sc->sc_lock);
+ }
}
}
