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alsa: improve midi

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Add some debug
Ignore ports without buffers.
This commit is contained in:
Wim Taymans 2019-09-26 11:57:25 +02:00
parent 8d472befaa
commit f539b42a03
3 changed files with 25 additions and 6 deletions
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10
spa/plugins/alsa/alsa-seq.c
View file

@ -216,6 +216,13 @@ static void alsa_seq_on_sys(struct spa_source *source)
debug_event(state, ev);
switch (ev->type) {
case SND_SEQ_EVENT_CLIENT_START:
case SND_SEQ_EVENT_CLIENT_CHANGE:
spa_log_debug(state->log, "client add/change %d", addr->client);
break;
case SND_SEQ_EVENT_CLIENT_EXIT:
break;
case SND_SEQ_EVENT_PORT_START:
case SND_SEQ_EVENT_PORT_CHANGE:
{
@ -442,6 +449,9 @@ static int process_read(struct seq_state *state)
addr->client, addr->port);
continue;
}
if (port->io == NULL || port->n_buffers == 0)
continue;
if ((res = prepare_buffer(state, port)) < 0) {
spa_log_debug(state->log, "can't prepare buffer port:%p %d.%d: %s",
port, addr->client, addr->port, spa_strerror(res));