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Fixed mmap wrt shm. Renamed pcm_client, control_client to shm. More error messages. Implemented asoundrc as documented.

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This commit is contained in:
Abramo Bagnara 2000-10-14 10:31:34 +00:00
parent dcc88ffaa7
commit e5e1ca14d4
30 changed files with 1642 additions and 2555 deletions
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140
src/control/control.c
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@ -26,6 +26,7 @@
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
#include <dlfcn.h>
#include "asoundlib.h"
#include "control_local.h"
@ -148,106 +149,22 @@ int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_callbacks_t * callbacks)
return result >= 0 ? count : -errno;
}
static int _snd_ctl_open_hw(snd_ctl_t **handlep, snd_config_t *conf)
{
snd_config_iterator_t i;
long card = -1;
char *str;
int err;
snd_config_foreach(i, conf) {
snd_config_t *n = snd_config_entry(i);
if (strcmp(n->id, "comment") == 0)
continue;
if (strcmp(n->id, "type") == 0)
continue;
if (strcmp(n->id, "card") == 0) {
err = snd_config_integer_get(n, &card);
if (err < 0) {
err = snd_config_string_get(n, &str);
if (err < 0)
return -EINVAL;
card = snd_card_get_index(str);
if (card < 0)
return card;
}
continue;
}
return -EINVAL;
}
if (card < 0)
return -EINVAL;
return snd_ctl_hw_open(handlep, card);
}
static int _snd_ctl_open_client(snd_ctl_t **handlep, snd_config_t *conf)
{
snd_config_iterator_t i;
char *socket = NULL;
char *name = NULL;
char *host = NULL;
long port = -1;
int err;
snd_config_foreach(i, conf) {
snd_config_t *n = snd_config_entry(i);
if (strcmp(n->id, "comment") == 0)
continue;
if (strcmp(n->id, "type") == 0)
continue;
if (strcmp(n->id, "socket") == 0) {
err = snd_config_string_get(n, &socket);
if (err < 0)
return -EINVAL;
continue;
}
if (strcmp(n->id, "host") == 0) {
err = snd_config_string_get(n, &host);
if (err < 0)
return -EINVAL;
continue;
}
if (strcmp(n->id, "port") == 0) {
err = snd_config_integer_get(n, &port);
if (err < 0)
return -EINVAL;
continue;
}
if (strcmp(n->id, "name") == 0) {
err = snd_config_string_get(n, &name);
if (err < 0)
return -EINVAL;
continue;
}
return -EINVAL;
}
if (!name)
return -EINVAL;
if (socket) {
if (port >= 0 || host)
return -EINVAL;
return snd_ctl_client_open(handlep, socket, -1, SND_TRANSPORT_TYPE_SHM, name);
} else {
if (port < 0 || !name)
return -EINVAL;
return snd_ctl_client_open(handlep, host, port, SND_TRANSPORT_TYPE_TCP, name);
}
}
int snd_ctl_open(snd_ctl_t **handlep, char *name)
int snd_ctl_open(snd_ctl_t **ctlp, char *name)
{
char *str;
int err;
snd_config_t *ctl_conf, *conf;
assert(handlep && name);
snd_config_t *ctl_conf, *conf, *type_conf;
snd_config_iterator_t i;
char *lib = NULL, *open = NULL;
int (*open_func)(snd_ctl_t **ctlp, char *name, snd_config_t *conf);
void *h;
assert(ctlp && name);
err = snd_config_update();
if (err < 0)
return err;
err = snd_config_searchv(snd_config, &ctl_conf, "ctl", name, 0);
if (err < 0) {
int idx = snd_card_get_index(name);
if (idx < 0)
return idx;
return snd_ctl_hw_open(handlep, idx);
}
if (err < 0)
return err;
if (snd_config_type(ctl_conf) != SND_CONFIG_TYPE_COMPOUND)
return -EINVAL;
err = snd_config_search(ctl_conf, "type", &conf);
@ -256,10 +173,37 @@ int snd_ctl_open(snd_ctl_t **handlep, char *name)
err = snd_config_string_get(conf, &str);
if (err < 0)
return err;
if (strcmp(str, "hw") == 0)
return _snd_ctl_open_hw(handlep, ctl_conf);
else if (strcmp(str, "client") == 0)
return _snd_ctl_open_client(handlep, ctl_conf);
else
err = snd_config_searchv(snd_config, &type_conf, "ctltype", str, 0);
if (err < 0)
return err;
snd_config_foreach(i, type_conf) {
snd_config_t *n = snd_config_entry(i);
if (strcmp(n->id, "comment") == 0)
continue;
if (strcmp(n->id, "lib") == 0) {
err = snd_config_string_get(n, &lib);
if (err < 0)
return -EINVAL;
continue;
}
if (strcmp(n->id, "open") == 0) {
err = snd_config_string_get(n, &open);
if (err < 0)
return -EINVAL;
continue;
return -EINVAL;
}
}
if (!open)
return -EINVAL;
if (!lib)
lib = "libasound.so";
h = dlopen(lib, RTLD_NOW);
if (!h)
return -ENOENT;
open_func = dlsym(h, open);
dlclose(h);
if (!open_func)
return -ENXIO;
return open_func(ctlp, name, ctl_conf);
}