audio: Only use audio timer when necessary
Originally proposed by Gerd Hoffmann.
Signed-off-by: malc <av1474@comtv.ru>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/audio/audio.c b/audio/audio.c
index ade342e..1707446 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1096,15 +1096,6 @@
/*
* Timer
*/
-static void audio_timer (void *opaque)
-{
- AudioState *s = opaque;
-
- audio_run ("timer");
- qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks);
-}
-
-
static int audio_is_timer_needed (void)
{
HWVoiceIn *hwi = NULL;
@@ -1119,10 +1110,8 @@
return 0;
}
-static void audio_reset_timer (void)
+static void audio_reset_timer (AudioState *s)
{
- AudioState *s = &glob_audio_state;
-
if (audio_is_timer_needed ()) {
qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + 1);
}
@@ -1131,6 +1120,12 @@
}
}
+static void audio_timer (void *opaque)
+{
+ audio_run ("timer");
+ audio_reset_timer (opaque);
+}
+
/*
* Public API
*/
@@ -1195,7 +1190,7 @@
hw->enabled = 1;
if (s->vm_running) {
hw->pcm_ops->ctl_out (hw, VOICE_ENABLE, conf.try_poll_out);
- audio_reset_timer ();
+ audio_reset_timer (s);
}
}
}
@@ -1240,6 +1235,7 @@
hw->enabled = 1;
if (s->vm_running) {
hw->pcm_ops->ctl_in (hw, VOICE_ENABLE, conf.try_poll_in);
+ audio_reset_timer (s);
}
}
sw->total_hw_samples_acquired = hw->total_samples_captured;
@@ -1761,7 +1757,7 @@
while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) {
hwi->pcm_ops->ctl_in (hwi, op, conf.try_poll_in);
}
- audio_reset_timer ();
+ audio_reset_timer (s);
}
static void audio_atexit (void)
