102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
/*
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*
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* code semi-grabed from the original asedump.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <alsa/asoundlib.h>
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#include "alsaseq.h"
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extern int verbosity;
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/* ----------------------------------------------------------------- */
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snd_seq_t * create_sequencer(char *name)
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{
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snd_seq_t *p_seq;
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int err;
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#if DEBUG_LEVEL
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fprintf(stderr, "---> %s ( '%s' )\n", __func__, name);
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#endif
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/* open sequencer */
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err = snd_seq_open(&p_seq, "default", SND_SEQ_OPEN_DUPLEX, 0);
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// fprintf(stderr, " seq_open --> %d\n", err);
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if (err) {
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fprintf(stderr, "%s : open sequencer -% d", __func__, err);
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exit(1);
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}
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/* set our client's name */
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err = snd_seq_set_client_name(p_seq, name);
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if (err) {
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fprintf(stderr, "%s : set client name -% d", __func__, err);
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exit(1);
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}
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return p_seq;
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}
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/* ----------------------------------------------------------------- */
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/* ----------------------------------------------------------------- */
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int create_port(snd_seq_t *seq)
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{
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int err;
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#if DEBUG_LEVEL
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fprintf(stderr, "---> %s (%p)\n", __func__, seq);
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#endif
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err = snd_seq_create_simple_port(seq, "kontrol2osc",
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SND_SEQ_PORT_CAP_WRITE |
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SND_SEQ_PORT_CAP_SUBS_WRITE ,
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SND_SEQ_PORT_TYPE_MIDI_GENERIC |
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SND_SEQ_PORT_TYPE_APPLICATION );
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if (err) {
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fprintf(stderr, "%s:%s snd_seq_create_simple_port : err %d\n",
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__FILE__, __func__, err);
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}
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return err;
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}
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/* ----------------------------------------------------------------- */
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void list_ports(snd_seq_t *seq)
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{
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snd_seq_client_info_t *cinfo;
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snd_seq_port_info_t *pinfo;
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int client;
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snd_seq_client_info_alloca(&cinfo);
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snd_seq_port_info_alloca(&pinfo);
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puts(" Port Client name Port name");
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snd_seq_client_info_set_client(cinfo, -1);
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while (snd_seq_query_next_client(seq, cinfo) >= 0) {
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client = snd_seq_client_info_get_client(cinfo);
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snd_seq_port_info_set_client(pinfo, client);
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snd_seq_port_info_set_port(pinfo, -1);
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while (snd_seq_query_next_port(seq, pinfo) >= 0) {
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/* we need both READ and SUBS_READ */
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if ((snd_seq_port_info_get_capability(pinfo)
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& (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
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!= (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ))
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continue;
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printf("%3d:%-3d %-32.32s %s\n",
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snd_seq_port_info_get_client(pinfo),
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snd_seq_port_info_get_port(pinfo),
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snd_seq_client_info_get_name(cinfo),
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snd_seq_port_info_get_name(pinfo));
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}
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}
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}
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/* ----------------------------------------------------------------- */
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/* ----------------------------------------------------------------- */
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/* ----------------------------------------------------------------- */
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