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alsactl - probe rawmidi device for rawmidi definitions

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Try to open the rawmidi device instead of a pcm device with the
same name when probing virtual rawmidi definitions.
This commit is contained in:
Clemens Ladisch 2005-05-11 07:43:39 +00:00
parent 5c1b10dea0
commit 13e1fc1a1d
1 changed files with 34 additions and 10 deletions
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44
alsactl/names.c
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@ -279,6 +279,36 @@ static int probe_pcm(snd_config_t *config)
return 0;
}
static int probe_rawmidi_virtual(snd_config_t *config,
const char *name, const char *comment)
{
snd_rawmidi_t *rawmidi1, *rawmidi2;
int err1, err2, playback, capture, err;
char *flag;
if (!debugflag)
snd_lib_error_set_handler(dummy_error_handler);
err1 = snd_rawmidi_open(NULL, &rawmidi1, name, SND_RAWMIDI_NONBLOCK);
err2 = snd_rawmidi_open(&rawmidi2, NULL, name, SND_RAWMIDI_NONBLOCK);
snd_lib_error_set_handler(NULL);
if (err1 >= 0)
snd_rawmidi_close(rawmidi1);
if (err2 >= 0)
snd_rawmidi_close(rawmidi2);
playback = (err1 == 0 || err1 == -EBUSY);
capture = (err2 == 0 || err2 == -EBUSY);
if (playback && capture)
flag = "Duplex";
else if (playback)
flag = "Playback";
else if (capture)
flag = "Capture";
else
return 0;
err = add_entry(config, name, "Abstract Device", flag, comment);
return err;
}
static int probe_rawmidi_card(int card, snd_ctl_t *ctl, snd_config_t *config)
{
int dev = -1, err, err1, err2;
@ -286,11 +316,7 @@ static int probe_rawmidi_card(int card, snd_ctl_t *ctl, snd_config_t *config)
char name[16];
const char *dname;
char *flag;
int first = 1, idx;
static const char *vnames1[] = {
"default:%i", "Default Device",
NULL
};
int idx;
snd_rawmidi_info_alloca(&info1);
snd_rawmidi_info_alloca(&info2);
@ -321,11 +347,6 @@ static int probe_rawmidi_card(int card, snd_ctl_t *ctl, snd_config_t *config)
flag = "Input";
dname = snd_rawmidi_info_get_name(info2);
}
if (first) {
for (idx = 0; vnames1[idx] != NULL; idx += 2)
probe_pcm_virtual(card, ctl, config, vnames1[idx], vnames1[idx+1]);
}
first = 0;
sprintf(name, "hw:%i,%i", card, dev);
err = add_entry(config, name, "Physical Device", flag, dname);
if (err < 0)
@ -343,6 +364,9 @@ static int probe_rawmidi(snd_config_t *config)
if (err < 0)
return err;
err = snd_config_add(config, c);
if (err < 0)
return err;
err = probe_rawmidi_virtual(c, "default", "Default Device");
if (err < 0)
return err;
err = for_each_card(probe_rawmidi_card, c);