aboutsummaryrefslogtreecommitdiffstats
path: root/src/output_control.c
diff options
context:
space:
mode:
authorMax Kellermann <max@duempel.org>2009-02-28 20:43:23 +0100
committerMax Kellermann <max@duempel.org>2009-02-28 20:43:23 +0100
commitec4fd9fd88a10bfc88154e8e6791d5d69858a2e5 (patch)
treec98fe447adcafe85ba9ee94d93d98377f9ffdaeb /src/output_control.c
parenta5c09c91c414ba08d915331797e717334ac06456 (diff)
downloadmpd-ec4fd9fd88a10bfc88154e8e6791d5d69858a2e5.tar.gz
mpd-ec4fd9fd88a10bfc88154e8e6791d5d69858a2e5.tar.xz
mpd-ec4fd9fd88a10bfc88154e8e6791d5d69858a2e5.zip
output: use GTimer instead of time_t for reopen after failure
time() is not a monotonic timer, and MPD might get confused by clock skews. clock_gettime() provides a monotonic clock, but is not portable to non-POSIX systems (i.e. Windows). This patch uses GLib's GTimer API, which aims to be portable.
Diffstat (limited to '')
-rw-r--r--src/output_control.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/src/output_control.c b/src/output_control.c
index 5516af607..c2b7c56d4 100644
--- a/src/output_control.c
+++ b/src/output_control.c
@@ -24,6 +24,12 @@
#include <assert.h>
#include <stdlib.h>
+enum {
+ /** after a failure, wait this number of seconds before
+ automatically reopening the device */
+ REOPEN_AFTER = 10,
+};
+
struct notify audio_output_client_notify;
static void ao_command_wait(struct audio_output *ao)
@@ -53,7 +59,10 @@ bool
audio_output_open(struct audio_output *ao,
const struct audio_format *audio_format)
{
- ao->reopen_after = 0;
+ if (ao->fail_timer != NULL) {
+ g_timer_destroy(ao->fail_timer);
+ ao->fail_timer = NULL;
+ }
if (ao->open &&
audio_format_equals(audio_format, &ao->in_audio_format)) {
@@ -90,7 +99,8 @@ audio_output_update(struct audio_output *ao,
const struct audio_format *audio_format)
{
if (ao->enabled) {
- if (ao->reopen_after == 0 || time(NULL) > ao->reopen_after)
+ if (ao->fail_timer == NULL ||
+ g_timer_elapsed(ao->fail_timer, NULL) > REOPEN_AFTER)
audio_output_open(ao, audio_format);
} else if (audio_output_is_open(ao))
audio_output_close(ao);
@@ -127,14 +137,22 @@ void audio_output_cancel(struct audio_output *ao)
void audio_output_close(struct audio_output *ao)
{
+ assert(!ao->open || ao->fail_timer == NULL);
+
if (ao->open)
ao_command(ao, AO_COMMAND_CLOSE);
+ else if (ao->fail_timer != NULL) {
+ g_timer_destroy(ao->fail_timer);
+ ao->fail_timer = NULL;
+ }
}
void audio_output_finish(struct audio_output *ao)
{
audio_output_close(ao);
+ assert(ao->fail_timer == NULL);
+
if (ao->thread != NULL) {
ao_command(ao, AO_COMMAND_KILL);
g_thread_join(ao->thread);