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jack: drop/acquire RT when enter/exit freewheel

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Freewheel can use a lot of CPU and we don't want our realtime threads to
take up all resources while freewheeling.
This commit is contained in:
Wim Taymans 2021-07-02 11:41:37 +02:00
parent e2d6545e77
commit 5088ebacc5
1 changed files with 12 additions and 0 deletions
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12
pipewire-jack/src/pipewire-jack.c
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@ -1462,6 +1462,7 @@ do_update_driver_activation(struct spa_loop *loop,
static int update_driver_activation(struct client *c)
{
jack_client_t *client = (jack_client_t*)c;
struct link *link;
bool freewheeling;
@ -1469,8 +1470,19 @@ static int update_driver_activation(struct client *c)
freewheeling = SPA_FLAG_IS_SET(c->position->clock.flags, SPA_IO_CLOCK_FLAG_FREEWHEEL);
if (c->freewheeling != freewheeling) {
jack_native_thread_t thr = jack_client_thread_id(client);
c->freewheeling = freewheeling;
if (freewheeling && thr) {
jack_drop_real_time_scheduling(thr);
}
do_callback(c, freewheel_callback, freewheeling, c->freewheel_arg);
if (!freewheeling && thr) {
jack_acquire_real_time_scheduling(thr,
jack_client_real_time_priority(client));
}
}
link = find_activation(&c->links, c->driver_id);