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https://github.com/alsa-project/alsa-lib.git
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Merged pcmfinal branch.
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parent
3cc2b957fb
commit
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57 changed files with 5189 additions and 3088 deletions
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@ -27,6 +27,7 @@
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#include <ctype.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include "control_local.h"
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#include "asoundlib.h"
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#define SND_FILE_CONTROL "/dev/snd/controlC%i"
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@ -21,6 +21,7 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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@ -170,8 +171,16 @@ int snd_ctl_open(snd_ctl_t **ctlp, char *name)
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return err;
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err = snd_config_searchv(snd_config, &ctl_conf, "ctl", name, 0);
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if (err < 0) {
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int cardno = snd_card_get_index(name);
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return snd_ctl_hw_open(ctlp, name, cardno);
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int card;
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char socket[256], sname[256];
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err = sscanf(name, "hw:%d", &card);
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if (err == 1)
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return snd_ctl_hw_open(ctlp, NULL, card);
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err = sscanf(name, "shm:%256s,%256s", socket, sname);
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if (err == 2)
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return snd_ctl_shm_open(ctlp, NULL, socket, sname);
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ERR("Unknown control %s", name);
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return -ENOENT;
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}
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if (snd_config_type(ctl_conf) != SND_CONFIG_TYPE_COMPOUND)
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return -EINVAL;
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@ -182,8 +191,6 @@ int snd_ctl_open(snd_ctl_t **ctlp, char *name)
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if (err < 0)
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return err;
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err = snd_config_searchv(snd_config, &type_conf, "ctltype", str, 0);
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if (err < 0)
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return err;
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snd_config_foreach(i, type_conf) {
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snd_config_t *n = snd_config_entry(i);
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if (strcmp(n->id, "comment") == 0)
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@ -215,3 +222,4 @@ int snd_ctl_open(snd_ctl_t **ctlp, char *name)
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return -ENXIO;
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return open_func(ctlp, name, ctl_conf);
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}
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@ -140,7 +140,7 @@ static int snd_ctl_hw_read(snd_ctl_t *handle, snd_ctl_event_t *event)
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return read(hw->fd, event, sizeof(*event));
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}
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struct snd_ctl_ops snd_ctl_hw_ops = {
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snd_ctl_ops_t snd_ctl_hw_ops = {
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close: snd_ctl_hw_close,
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poll_descriptor: snd_ctl_hw_poll_descriptor,
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hw_info: snd_ctl_hw_hw_info,
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@ -23,7 +23,15 @@
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#include "asoundlib.h"
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#include "list.h"
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struct snd_ctl_ops {
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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#define ERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, __VA_ARGS__)
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#define SYSERR(...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, __VA_ARGS__)
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#else
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#define ERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
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#define SYSERR(args...) snd_lib_error(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
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#endif
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typedef struct {
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int (*close)(snd_ctl_t *handle);
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int (*poll_descriptor)(snd_ctl_t *handle);
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int (*hw_info)(snd_ctl_t *handle, snd_ctl_hw_info_t *info);
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@ -37,13 +45,13 @@ struct snd_ctl_ops {
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int (*rawmidi_info)(snd_ctl_t *handle, snd_rawmidi_info_t * info);
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int (*rawmidi_prefer_subdevice)(snd_ctl_t *handle, int subdev);
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int (*read)(snd_ctl_t *handle, snd_ctl_event_t *event);
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};
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} snd_ctl_ops_t;
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struct snd_ctl {
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struct _snd_ctl {
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char *name;
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snd_ctl_type_t type;
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struct snd_ctl_ops *ops;
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snd_ctl_ops_t *ops;
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void *private;
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int hcount;
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int herr;
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@ -56,3 +64,6 @@ struct snd_ctl {
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snd_ctl_hcallback_add_t *callback_add;
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void *callback_add_private_data;
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};
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int snd_ctl_hw_open(snd_ctl_t **handle, char *name, int card);
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int snd_ctl_shm_open(snd_ctl_t **handlep, char *name, char *socket, char *sname);
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@ -266,7 +266,7 @@ static int snd_ctl_shm_read(snd_ctl_t *ctl, snd_ctl_event_t *event)
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return err;
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}
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struct snd_ctl_ops snd_ctl_shm_ops = {
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snd_ctl_ops_t snd_ctl_shm_ops = {
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close: snd_ctl_shm_close,
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poll_descriptor: snd_ctl_shm_poll_descriptor,
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hw_info: snd_ctl_shm_hw_info,
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