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Completed parametric configuration and begun to use it

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This commit is contained in:
Abramo Bagnara 2001-05-22 09:19:43 +00:00
parent ecfec483a8
commit f5534c46ed
12 changed files with 617 additions and 256 deletions
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70
src/seq/seq.c
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@ -36,33 +36,24 @@ snd_seq_type_t snd_seq_type(snd_seq_t *seq)
return seq->type;
}
int snd_seq_open(snd_seq_t **seqp, const char *name,
int streams, int mode)
static int snd_seq_open_conf(snd_seq_t **seqp, const char *name,
snd_config_t *seq_conf,
int streams, int mode)
{
const char *str;
char buf[256];
int err;
snd_config_t *seq_conf, *conf, *type_conf;
snd_config_t *conf, *type_conf = NULL;
snd_config_iterator_t i, next;
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_seq_t **, const char *, snd_config_t *,
int, int);
void *h;
const char *name1;
assert(seqp && name);
err = snd_config_update();
if (err < 0)
return err;
err = snd_config_search_alias(snd_config, "seq", name, &seq_conf);
name1 = name;
if (err < 0 || snd_config_get_string(seq_conf, &name1) >= 0) {
if (strcmp(name1, "hw") == 0)
return snd_seq_hw_open(seqp, name, streams, mode);
SNDERR("Unknown SEQ %s", name1);
return -ENOENT;
}
if (snd_config_get_type(seq_conf) != SND_CONFIG_TYPE_COMPOUND) {
SNDERR("Invalid type for SEQ %s definition", name);
if (name)
SNDERR("Invalid type for SEQ %s definition", name);
else
SNDERR("Invalid type for SEQ definition");
return -EINVAL;
}
err = snd_config_search(seq_conf, "type", &conf);
@ -77,6 +68,10 @@ int snd_seq_open(snd_seq_t **seqp, const char *name,
}
err = snd_config_search_alias(snd_config, "seq_type", str, &type_conf);
if (err >= 0) {
if (snd_config_get_type(type_conf) != SND_CONFIG_TYPE_COMPOUND) {
SNDERR("Invalid type for SEQ type %s definition", str);
return -EINVAL;
}
snd_config_for_each(i, next, type_conf) {
snd_config_t *n = snd_config_iterator_entry(i);
const char *id = snd_config_get_id(n);
@ -122,6 +117,47 @@ int snd_seq_open(snd_seq_t **seqp, const char *name,
return open_func(seqp, name, seq_conf, streams, mode);
}
static int snd_seq_open_noupdate(snd_seq_t **seqp, const char *name,
int streams, int mode)
{
int err;
snd_config_t *seq_conf;
const char *args = strchr(name, ':');
char *base;
if (args) {
args++;
base = alloca(args - name);
memcpy(base, name, args - name - 1);
base[args - name - 1] = 0;
} else
base = (char *) name;
err = snd_config_search_alias(snd_config, "seq", base, &seq_conf);
if (err < 0) {
SNDERR("Unknown SEQ %s", name);
return err;
}
if (args) {
err = snd_config_expand(seq_conf, args, &seq_conf);
if (err < 0)
return err;
}
err = snd_seq_open_conf(seqp, name, seq_conf, streams, mode);
if (args)
snd_config_delete(seq_conf);
return err;
}
int snd_seq_open(snd_seq_t **seqp, const char *name,
int streams, int mode)
{
int err;
assert(seqp && name);
err = snd_config_update();
if (err < 0)
return err;
return snd_seq_open_noupdate(seqp, name, streams, mode);
}
/*
* release sequencer client
*/