/* * remove all (exported) connections */ static void remove_connection(snd_seq_t *seq, snd_seq_client_info_t *cinfo, snd_seq_port_info_t *pinfo, int count) { snd_seq_query_subscribe_t *query; snd_seq_query_subscribe_alloca(&query); snd_seq_query_subscribe_set_root(query, snd_seq_port_info_get_addr(pinfo)); snd_seq_query_subscribe_set_type(query, SND_SEQ_QUERY_SUBS_READ); snd_seq_query_subscribe_set_index(query, 0); for (; snd_seq_query_port_subscribers(seq, query) >= 0; snd_seq_query_subscribe_set_index(query, snd_seq_query_subscribe_get_index(query) + 1)) { snd_seq_port_info_t *port; snd_seq_port_subscribe_t *subs; const snd_seq_addr_t *sender = snd_seq_query_subscribe_get_root(query); const snd_seq_addr_t *dest = snd_seq_query_subscribe_get_addr(query); snd_seq_port_info_alloca(&port); if (snd_seq_get_any_port_info(seq, dest->client, dest->port, port) < 0) continue; if (!(snd_seq_port_info_get_capability(port) & SND_SEQ_PORT_CAP_SUBS_WRITE)) continue; if (snd_seq_port_info_get_capability(port) & SND_SEQ_PORT_CAP_NO_EXPORT) continue; snd_seq_port_subscribe_alloca(&subs); snd_seq_port_subscribe_set_queue(subs, snd_seq_query_subscribe_get_queue(query)); snd_seq_port_subscribe_set_sender(subs, sender); snd_seq_port_subscribe_set_dest(subs, dest); snd_seq_unsubscribe_port(seq, subs); } snd_seq_query_subscribe_set_type(query, SND_SEQ_QUERY_SUBS_WRITE); snd_seq_query_subscribe_set_index(query, 0); for (; snd_seq_query_port_subscribers(seq, query) >= 0; snd_seq_query_subscribe_set_index(query, snd_seq_query_subscribe_get_index(query) + 1)) { snd_seq_port_info_t *port; snd_seq_port_subscribe_t *subs; const snd_seq_addr_t *dest = snd_seq_query_subscribe_get_root(query); const snd_seq_addr_t *sender = snd_seq_query_subscribe_get_addr(query); snd_seq_port_info_alloca(&port); if (snd_seq_get_any_port_info(seq, sender->client, sender->port, port) < 0) continue; if (!(snd_seq_port_info_get_capability(port) & SND_SEQ_PORT_CAP_SUBS_READ)) continue; if (snd_seq_port_info_get_capability(port) & SND_SEQ_PORT_CAP_NO_EXPORT) continue; snd_seq_port_subscribe_alloca(&subs); snd_seq_port_subscribe_set_queue(subs, snd_seq_query_subscribe_get_queue(query)); snd_seq_port_subscribe_set_sender(subs, sender); snd_seq_port_subscribe_set_dest(subs, dest); snd_seq_unsubscribe_port(seq, subs); } }
// Update port connection references. void qjackctlAlsaConnect::updateConnections (void) { #ifdef CONFIG_ALSA_SEQ qjackctlMainForm *pMainForm = qjackctlMainForm::getInstance(); if (pMainForm == NULL) return; snd_seq_t *pAlsaSeq = pMainForm->alsaSeq(); if (pAlsaSeq == NULL) return; snd_seq_query_subscribe_t *pAlsaSubs; snd_seq_addr_t seq_addr; snd_seq_query_subscribe_alloca(&pAlsaSubs); // Proper type casts. qjackctlAlsaClientList *pOClientList = static_cast<qjackctlAlsaClientList *> (OClientList()); qjackctlAlsaClientList *pIClientList = static_cast<qjackctlAlsaClientList *> (IClientList()); // For each output client item... QListIterator<qjackctlClientItem *> oclient(pOClientList->clients()); while (oclient.hasNext()) { qjackctlClientItem *pOClient = oclient.next(); // For each output port item... QListIterator<qjackctlPortItem *> oport(pOClient->ports()); while (oport.hasNext()) { qjackctlPortItem *pOPort = oport.next(); // Are there already any connections? if (pOPort->connects().count() > 0) continue; // Hava a proper type cast. qjackctlAlsaPort *pOAlsa = static_cast<qjackctlAlsaPort *> (pOPort); // Get port connections... snd_seq_query_subscribe_set_type(pAlsaSubs, SND_SEQ_QUERY_SUBS_READ); snd_seq_query_subscribe_set_index(pAlsaSubs, 0); seq_addr.client = pOAlsa->alsaClient(); seq_addr.port = pOAlsa->alsaPort(); snd_seq_query_subscribe_set_root(pAlsaSubs, &seq_addr); while (snd_seq_query_port_subscribers(pAlsaSeq, pAlsaSubs) >= 0) { seq_addr = *snd_seq_query_subscribe_get_addr(pAlsaSubs); qjackctlPortItem *pIPort = pIClientList->findClientPort( seq_addr.client, seq_addr.port); if (pIPort) { pOPort->addConnect(pIPort); pIPort->addConnect(pOPort); } snd_seq_query_subscribe_set_index(pAlsaSubs, snd_seq_query_subscribe_get_index(pAlsaSubs) + 1); } } } #endif // CONFIG_ALSA_SEQ }
/* * list subscribers of specified type */ static void list_each_subs(snd_seq_t *seq, snd_seq_query_subscribe_t *subs, int type, const char *msg) { int count = 0; snd_seq_query_subscribe_set_type(subs, type); snd_seq_query_subscribe_set_index(subs, 0); while (snd_seq_query_port_subscribers(seq, subs) >= 0) { const snd_seq_addr_t *addr; if (count++ == 0) printf("\t%s: ", msg); else printf(", "); addr = snd_seq_query_subscribe_get_addr(subs); printf("%d:%d", addr->client, addr->port); if (snd_seq_query_subscribe_get_exclusive(subs)) printf("[ex]"); if (snd_seq_query_subscribe_get_time_update(subs)) printf("[%s:%d]", (snd_seq_query_subscribe_get_time_real(subs) ? "real" : "tick"), snd_seq_query_subscribe_get_queue(subs)); snd_seq_query_subscribe_set_index(subs, snd_seq_query_subscribe_get_index(subs) + 1); } if (count > 0) printf("\n"); }