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Avoid cycling thru table filters too fast if we are short on hardware filters. It might overload the DVB adapter

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This commit is contained in:
Andreas Öman 2010-02-22 20:02:32 +00:00
parent 6540760a83
commit 132e81a5c8
1 changed files with 5 additions and 3 deletions
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8
src/dvb/dvb_tables.c
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@ -237,6 +237,7 @@ dvb_table_input(void *aux)
uint8_t sec[4096];
th_dvb_mux_instance_t *tdmi;
th_dvb_table_t *tdt;
int64_t cycle_barrier = 0;
while(1) {
x = epoll_wait(tda->tda_table_epollfd, ev, sizeof(ev) / sizeof(ev[0]), -1);
@ -261,10 +262,11 @@ dvb_table_input(void *aux)
if(tdt != NULL) {
dvb_proc_table(tdmi, tdt, sec, r);
/* Any tables pending (that wants a filter/fd) */
if(TAILQ_FIRST(&tdmi->tdmi_table_queue) != NULL) {
/* Any tables pending (that wants a filter/fd), close this one */
if(TAILQ_FIRST(&tdmi->tdmi_table_queue) != NULL &&
cycle_barrier < getmonoclock()) {
tdt_close_fd(tdmi, tdt);
cycle_barrier = getmonoclock() + 100000;
tdt = TAILQ_FIRST(&tdmi->tdmi_table_queue);
assert(tdt != NULL);