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

Stéphane Brunner wrote:
> Thanks for your response but I don't succeed to have something working :(
>
> get (to save) :
> 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);

Shouldn't this be before the first loop?

> 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 snd_seq_query_subscribe_set_index() is missing.

> The first block seem to return all the client-port, the second return
> nothing. :(

Are there any write subscriptions? (see "aconnect -lio")

Regards,
Clemens
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Received on Wed Dec 19 16:15:01 2007