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Added support for abstraction selection

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- (basic abst might be the default someday)
This commit is contained in:
Jaroslav Kysela 2005-06-16 11:53:20 +00:00
parent 210e946410
commit dd97818e6e
1 changed files with 21 additions and 5 deletions
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26
alsamixer/alsamixer.c
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@ -193,6 +193,8 @@ static char card_id[64] = "default";
static snd_mixer_t *mixer_handle;
static char mixer_card_name[128];
static char mixer_device_name[128];
static int mixer_level = 0;
static struct snd_mixer_selem_regopt mixer_options;
/* mixer bar channel : left or right */
#define MIXER_CHN_LEFT 0
@ -1573,9 +1575,9 @@ mixer_init (void)
*/
if ((err = snd_mixer_open (&mixer_handle, 0)) < 0)
mixer_abort (ERR_FCN, "snd_mixer_open", err);
if ((err = snd_mixer_attach (mixer_handle, card_id)) < 0)
if (mixer_level == 0 && (err = snd_mixer_attach (mixer_handle, card_id)) < 0)
mixer_abort (ERR_FCN, "snd_mixer_attach", err);
if ((err = snd_mixer_selem_register (mixer_handle, NULL, NULL)) < 0)
if ((err = snd_mixer_selem_register (mixer_handle, mixer_level > 0 ? &mixer_options : NULL, NULL)) < 0)
mixer_abort (ERR_FCN, "snd_mixer_selem_register", err);
snd_mixer_set_callback (mixer_handle, mixer_event);
if ((err = snd_mixer_load (mixer_handle)) < 0)
@ -2221,14 +2223,13 @@ main (int argc,
*/
do
{
opt = getopt (argc, argv, "c:D:shgV:");
opt = getopt (argc, argv, "c:D:shgV:a:");
switch (opt)
{
case '?':
case 'h':
fprintf (stderr, "%s v%s\n", PRGNAME_UPPER, VERSION);
fprintf (stderr, "Usage: %s [-h] [-c <card: 0...7>] [-D <mixer device>] [-g] [-s] [-V <view>]\n", PRGNAME);
mixer_abort (ERR_NONE, "", 0);
fprintf (stderr, "Usage: %s [-h] [-c <card: 0...7>] [-D <mixer device>] [-g] [-s] [-V <view>] [-a <abst>]\n", PRGNAME);
case 'c':
{
int i = snd_card_get_index(optarg);
@ -2257,10 +2258,25 @@ main (int argc,
else
mixer_view = VIEW_CHANNELS;
break;
case 'a':
mixer_level = 1;
memset(&mixer_options, 0, sizeof(mixer_options));
mixer_options.ver = 1;
if (!strcmp(optarg, "none"))
mixer_options.abstract = SND_MIXER_SABSTRACT_NONE;
else if (!strcmp(optarg, "basic"))
mixer_options.abstract = SND_MIXER_SABSTRACT_BASIC;
else {
fprintf(stderr, "Select correct abstraction level (none or basic)...\n");
mixer_abort (ERR_NONE, "", 0);
}
break;
}
}
while (opt > 0);
mixer_options.device = card_id;
/* initialize mixer
*/
mixer_init ();