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small timer test tweak for horribly clocked boxen 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@16725 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2010-02-22 22:42:29 +00:00
parent 17176ff6fa
commit ae2354be24
1 changed files with 14 additions and 2 deletions
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16
src/switch_time.c
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@ -181,12 +181,20 @@ 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, lastgood = 0;
int over = 0, under = 0, good = 0, step = 50, diff = 0, retry = 0, lastgood = 0, one_k = 0;
#ifdef HAVE_CLOCK_GETRES
struct timespec ts;
long res = 0;
clock_getres(CLOCK_MONOTONIC, &ts);
if (ts.tv_nsec / 1000 > 1500) {
res = ts.tv_nsec / 1000;
if (res > 900 && res < 1100) {
one_k = 1;
}
if (res > 1500) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING,
"Timer resolution of %ld microseconds detected!\n"
"Do you have your kernel timer set to higher than 1 kHz? You may experience audio problems.\n", ts.tv_nsec / 1000);
@ -260,6 +268,10 @@ SWITCH_DECLARE(void) switch_time_calibrate_clock(void)
OFFSET = (int) (want - lastgood);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset of %d calculated (fallback)\n", OFFSET);
switch_time_set_cond_yield(SWITCH_TRUE);
} else if (one_k) {
OFFSET = 900;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset CANNOT BE DETECTED, forcing OFFSET to 900\n");
switch_time_set_cond_yield(SWITCH_TRUE);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Timer offset NOT calculated\n");
switch_time_set_cond_yield(SWITCH_TRUE);