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alsa-seq: unsubscribe when paused/suspended

Browse source 
When we are suspended or paused, unsubscribe from the ports so that
we don't block the hardware devices.

See #225
This commit is contained in:
Wim Taymans 2020-03-31 12:14:52 +02:00
parent 9b24a84ce6
commit e6675ff2a8
3 changed files with 58 additions and 27 deletions
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24
spa/plugins/alsa/alsa-seq-source.c
View file

@ -374,18 +374,16 @@ static struct seq_port *alloc_port(struct seq_state *state, struct seq_stream *s
}
return NULL;
}
static void free_port(struct seq_state *state, struct seq_port *port)
{
spa_node_emit_port_info(&state->hooks,
port->direction, port->id, NULL);
port->valid = false;
spa_zero(*port);
}
static void init_port(struct seq_state *state, struct seq_port *port, const snd_seq_addr_t *addr)
{
snd_seq_port_subscribe_t* sub;
int res;
port->addr = *addr;
port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
SPA_PORT_CHANGE_MASK_PROPS |
@ -406,23 +404,7 @@ static void init_port(struct seq_state *state, struct seq_port *port, const snd_
spa_list_init(&port->free);
spa_list_init(&port->ready);
snd_seq_port_subscribe_alloca(&sub);
if (port->direction == SPA_DIRECTION_OUTPUT) {
snd_seq_port_subscribe_set_sender(sub, addr);
snd_seq_port_subscribe_set_dest(sub, &state->event.addr);
} else {
snd_seq_port_subscribe_set_sender(sub, &state->event.addr);
snd_seq_port_subscribe_set_dest(sub, addr);
}
snd_seq_port_subscribe_set_time_update(sub, 1);
snd_seq_port_subscribe_set_time_real(sub, 1);
snd_seq_port_subscribe_set_queue(sub, state->event.queue_id);
if ((res = snd_seq_subscribe_port(state->event.hndl, sub)) < 0) {
spa_log_error(state->log, "can't subscribe to %d:%d - %s",
addr->client, addr->port, snd_strerror(res));
}
spa_log_debug(state->log, "connect: %d.%d: %d", addr->client, addr->port, res);
spa_alsa_seq_activate_port(state, port, true);
emit_port_info(state, port, true);
}