[LAD] How to save and restore MIDI connexion (ALSA sequencer)

Hello ! Thanks for your response but I don't succeed to have something working :( my code : init: if (snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0) >= 0) { m_iClient = snd_seq_set_client_name(seq, "LiveMix"); m_iPort = snd_seq_create_simple_port(seq, "control", 0, SND_SEQ_PORT_TYPE_MIDI_GENERIC | SND_SEQ_PORT_TYPE_SOFTWARE | SND_SEQ_PORT_TYPE_APPLICATION); m_iMidi = snd_seq_create_simple_port(seq, "control", SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ | SND_SEQ_PORT_CAP_WRITE | SND_SEQ_PORT_CAP_SUBS_WRITE, SND_SEQ_PORT_TYPE_APPLICATION); } else { qDebug() << "The ALSA MIDI system is not available. No ports based on it will be created"; } get (to save) : snd_seq_client_info_t *cinfo; snd_seq_port_info_t *pinfo; snd_seq_client_info_alloca(&cinfo); snd_seq_port_info_alloca(&pinfo); snd_seq_client_info_set_client(cinfo, -1); snd_seq_port_info_set_client(pinfo, snd_seq_client_info_get_client(cinfo)); snd_seq_port_info_set_port(pinfo, m_iMidi); snd_seq_query_subscribe_set_client(subs, m_iClient); snd_seq_query_subscribe_set_port(subs, m_iMidi); snd_seq_query_subscribe_set_type(subs, SND_SEQ_QUERY_SUBS_READ); snd_seq_query_subscribe_set_index(subs, 0); while (snd_seq_query_port_subscribers(seq, subs) >= 0) { const snd_seq_addr_t *addr; addr = snd_seq_query_subscribe_get_addr(subs); qDebug()<<222<<addr->client<<addr->port; snd_seq_query_subscribe_set_index(subs, snd_seq_query_subscribe_get_index(subs) + 1); } snd_seq_query_subscribe_alloca(&subs); snd_seq_query_subscribe_set_client(subs, m_iClient); snd_seq_query_subscribe_set_port(subs, m_iMidi); snd_seq_query_subscribe_set_type(subs, SND_SEQ_QUERY_SUBS_WRITE); snd_seq_query_subscribe_set_index(subs, 0); while (snd_seq_query_port_subscribers(seq, subs) >= 0) { const snd_seq_addr_t *addr; addr = snd_seq_query_subscribe_get_addr(subs); qDebug()<<333<<addr->client<<addr->port; } The first block seem to return all the client-port, the second return nothing. :( Does anybody have an idea ? Thanks in advance Stéphane On Dec 10, 2007 9:02 AM, Clemens Ladisch < cladisch(a)fastmail.net&gt; wrote: -- Stéphane Brunner mail : stephane.brunner(a)gmail.com messageries instantanées : stephane.brunner(a)gmail.com ( http://talk.google.com) -------------------------------------- http://www.ubuntu-fr.org - Distribution Linux http://fr.wikipedia.org - Encyclopédie communautaire http://mozilla-europe.org - Navigateur internet / Client de messagerie http://framasoft.net - Annuaire de logiciel libre (gratuit) http://jeuxlibres.net - Jeux Libres (gratuit) -------------------------------------- Il existe 10 sortes de personnes : celles qui connaissent le binaire, et les autres. Si Microsoft inventait un truc qui plante pas, ce serait un clou. Si un jour on te reproche que ton travail n'est pas un travail de professionnel, dis toi que : Des amateurs ont construit l'arche de Noé, et des professionnels le Titanic.