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Control API encapsulation. Better names for kernel API. Simpler PCM hw_params API. Added missing const.

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This commit is contained in:
Abramo Bagnara 2001-02-06 23:48:10 +00:00
parent ccb399f0cd
commit 8f0cb26fdf
71 changed files with 2001 additions and 694 deletions
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80
src/control/control.c
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@ -24,9 +24,7 @@
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <assert.h>
#include <dlfcn.h>
#include "control_local.h"
@ -50,7 +48,7 @@ int snd_ctl_poll_descriptor(snd_ctl_t *ctl)
return ctl->ops->poll_descriptor(ctl);
}
int snd_ctl_hw_info(snd_ctl_t *ctl, snd_ctl_hw_info_t *info)
int snd_ctl_info(snd_ctl_t *ctl, snd_ctl_info_t *info)
{
assert(ctl && info);
return ctl->ops->hw_info(ctl, info);
@ -175,11 +173,11 @@ int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_callbacks_t * callbacks)
int snd_ctl_open(snd_ctl_t **ctlp, char *name)
{
char *str;
const char *str;
int err;
snd_config_t *ctl_conf, *conf, *type_conf;
snd_config_iterator_t i;
char *lib = NULL, *open = NULL;
const char *lib = NULL, *open = NULL;
int (*open_func)(snd_ctl_t **ctlp, char *name, snd_config_t *conf);
void *h;
assert(ctlp && name);
@ -240,3 +238,75 @@ int snd_ctl_open(snd_ctl_t **ctlp, char *name)
return open_func(ctlp, name, ctl_conf);
}
void snd_control_set_bytes(snd_control_t *obj, void *data, size_t size)
{
assert(obj);
assert(size <= sizeof(obj->value.bytes.data));
memcpy(obj->value.bytes.data, data, size);
}
#define TYPE(v) [SND_CONTROL_TYPE_##v] = #v
#define IFACE(v) [SND_CONTROL_IFACE_##v] = #v
#define EVENT(v) [SND_CTL_EVENT_##v] = #v
const char *snd_control_type_names[] = {
TYPE(NONE),
TYPE(BOOLEAN),
TYPE(INTEGER),
TYPE(ENUMERATED),
TYPE(BYTES),
TYPE(IEC958),
};
const char *snd_control_iface_names[] = {
IFACE(CARD),
IFACE(HWDEP),
IFACE(MIXER),
IFACE(PCM),
IFACE(RAWMIDI),
IFACE(TIMER),
IFACE(SEQUENCER),
};
const char *snd_ctl_event_type_names[] = {
EVENT(REBUILD),
EVENT(VALUE),
EVENT(CHANGE),
EVENT(ADD),
EVENT(REMOVE),
};
const char *snd_control_type_name(snd_control_type_t type)
{
assert(type <= SND_CONTROL_TYPE_LAST);
return snd_control_type_names[snd_enum_to_int(type)];
}
const char *snd_control_iface_name(snd_control_iface_t iface)
{
assert(iface <= SND_CONTROL_IFACE_LAST);
return snd_control_iface_names[snd_enum_to_int(iface)];
}
const char *snd_ctl_event_type_name(snd_ctl_event_type_t type)
{
assert(type <= SND_CTL_EVENT_LAST);
return snd_ctl_event_type_names[snd_enum_to_int(type)];
}
int snd_control_list_alloc_space(snd_control_list_t *obj, unsigned int entries)
{
obj->pids = calloc(entries, sizeof(*obj->pids));
if (!obj->pids) {
obj->space = 0;
return -ENOMEM;
}
obj->space = entries;
return 0;
}
void snd_control_list_free_space(snd_control_list_t *obj)
{
free(obj->pids);
obj->pids = NULL;
}