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small tweak 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16455 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2010-01-22 03:58:16 +00:00
parent b4fecf0b4d
commit 4cb029e45f
1 changed files with 10 additions and 3 deletions
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13
src/switch_time.c
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@ -181,7 +181,7 @@ SWITCH_DECLARE(void) switch_time_calibrate_clock(void)
{
int x;
switch_interval_time_t avg, val = 1000, want = 1000;
int over = 0, under = 0, good = 0, step = 50, diff = 0, retry = 0;
int over = 0, under = 0, good = 0, step = 50, diff = 0, retry = 0, lastgood = 0;
#ifdef HAVE_CLOCK_GETRES
struct timespec ts;
@ -207,7 +207,7 @@ SWITCH_DECLARE(void) switch_time_calibrate_clock(void)
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Test: %ld Average: %ld Step: %d\n", (long)val, (long)avg, step);
diff = abs((int)(want - avg));
if (diff > 1500) {
if (diff > 2500) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"Abnormally large timer gap %d detected!\n"
"Do you have your kernel timer set to higher than 1 kHz? You may experience audio problems.\n", diff);
@ -215,10 +215,14 @@ SWITCH_DECLARE(void) switch_time_calibrate_clock(void)
switch_time_set_cond_yield(SWITCH_TRUE);
return;
}
if (diff <= 100) {
lastgood = val;
}
if (diff <= 2) {
under = over = 0;
lastgood = val;
if (++good > 10) {
break;
}
@ -246,6 +250,9 @@ SWITCH_DECLARE(void) switch_time_calibrate_clock(void)
if (good >= 10) {
OFFSET = (int)(want - val);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset of %d calculated\n", OFFSET);
} else if (lastgood) {
OFFSET = (int)(want - lastgood);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset of %d calculated (fallback)\n", OFFSET);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset of NOT calculated\n");
}