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https://github.com/alsa-project/alsa-utils
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- removed obsolete group option.
- made error handling consistent.
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d6b09c3371
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3 changed files with 21 additions and 34 deletions
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@ -19,26 +19,22 @@ To see which port is available as input port, run the following
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command:
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% aconnect -i
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client 0: 'System' [group=system] [type=kernel]
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0 'Timer ' [group=system]
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1 'Announce ' [group=system]
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client 64: '0: MIDI Synth' [group=] [type=kernel]
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0 'card 0: synth-midi: 0' [group=device]
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client 0: 'System' [type=kernel]
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0 'Timer '
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1 'Announce '
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client 64: '0: MIDI Synth' [type=kernel]
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0 'card 0: synth-midi: 0'
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Similary, to see the output ports, use -o flag.
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% aconnect -o
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client 64: '0: MIDI Synth' [group=] [type=kernel]
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0 'card 0: synth-midi: 0' [group=device]
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client 65: 'AWE Wave Table Synth : 0' [group=device] [type=kernel]
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0 'Emu8000 port 0 ' [group=device]
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1 'Emu8000 port 1 ' [group=device]
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2 'Emu8000 port 2 ' [group=device]
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3 'Emu8000 port 3 ' [group=device]
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Some ports may have permission for its own group.
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In such a case, change the group of aconnect to the appropriate one by
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using -g option.
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client 64: '0: MIDI Synth' [type=kernel]
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0 'card 0: synth-midi: 0'
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client 65: 'AWE Wave Table Synth : 0' [type=kernel]
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0 'Emu8000 port 0 '
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1 'Emu8000 port 1 '
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2 'Emu8000 port 2 '
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3 'Emu8000 port 3 '
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The option -l together with -i or -o shows subscribers for each port.
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@ -55,15 +55,15 @@ option.
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.IP "" 4
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% aconnect -i
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.br
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client 0: 'System' [group=system] [type=kernel]
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client 0: 'System' [type=kernel]
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.in +4
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0 'Timer ' [group=system]
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0 'Timer '
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.br
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1 'Announce ' [group=system]
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1 'Announce '
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.in -4
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client 64: 'External MIDI-0' [group=] [type=kernel]
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client 64: 'External MIDI-0' [type=kernel]
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.in +4
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0 'MIDI 0-0 ' [group=device]
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0 'MIDI 0-0 '
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.in -4
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.PP
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Similary, to see the output ports, use
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@ -100,16 +100,6 @@ option, but
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time-stamps are converted to the current value of the given
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.I tick
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queue.
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.TP
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.B \-g, --group name
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Specify the group name that
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.B aconnect
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uses.
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Some ports may have special permissions, so that only the same group
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may subscribe to them. In such a case,
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.B aconnect
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can fake the group name
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with this option.
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.SS LIST PORTS
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.TP
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@ -255,7 +255,6 @@ static struct option long_option[] = {
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{"disconnect", 0, NULL, 'd'},
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{"input", 0, NULL, 'i'},
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{"output", 0, NULL, 'o'},
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{"group", 1, NULL, 'g'},
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{"real", 1, NULL, 'r'},
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{"tick", 1, NULL, 't'},
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{"exclusive", 0, NULL, 'e'},
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@ -276,7 +275,7 @@ int main(int argc, char **argv)
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snd_seq_port_subscribe_t *subs;
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snd_seq_addr_t sender, dest;
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while ((c = getopt_long(argc, argv, "diog:r:t:elx", long_option, NULL)) != -1) {
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while ((c = getopt_long(argc, argv, "dior:t:elx", long_option, NULL)) != -1) {
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switch (c) {
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case 'd':
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command = UNSUBSCRIBE;
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@ -351,15 +350,17 @@ int main(int argc, char **argv)
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if (snd_seq_set_client_name(seq, "ALSA Connector") < 0) {
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snd_seq_close(seq);
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fprintf(stderr, "can't set client info\n");
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return 0;
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return 1;
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}
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/* set subscription */
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if (snd_seq_parse_address(seq, &sender, argv[optind]) < 0) {
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snd_seq_close(seq);
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fprintf(stderr, "invalid sender address %s\n", argv[optind]);
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return 1;
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}
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if (snd_seq_parse_address(seq, &dest, argv[optind + 1]) < 0) {
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snd_seq_close(seq);
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fprintf(stderr, "invalid destination address %s\n", argv[optind + 1]);
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return 1;
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}
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