}
]
+#
# defaults
+#
+# show all name hints also for definitions without hint {} section
+defaults.namehint.showall off
+# show just basic name hints
+defaults.namehint.basic on
+# show extended name hints
+defaults.namehint.extended off
+#
defaults.ctl.card 0
defaults.pcm.card 0
defaults.pcm.device 0
# PCM interface
#
+# redirect to load-on-demand extended pcm definitions
+pcm.cards cards.pcm
+
+pcm.default cards.pcm.default
+pcm.front cards.pcm.front
+pcm.rear cards.pcm.rear
+pcm.center_lfe cards.pcm.center_lfe
+pcm.side cards.pcm.side
+pcm.surround40 cards.pcm.surround40
+pcm.surround41 cards.pcm.surround41
+pcm.surround50 cards.pcm.surround50
+pcm.surround51 cards.pcm.surround51
+pcm.surround71 cards.pcm.surround71
+pcm.iec958 cards.pcm.iec958
+pcm.spdif iec958
+pcm.dmix cards.pcm.dmix
+pcm.dsnoop cards.pcm.dsnoop
+pcm.modem cards.pcm.modem
+pcm.phoneline cards.pcm.phoneline
+
pcm.hw {
@args [ CARD DEV SUBDEV ]
@args.CARD {
card $CARD
device $DEV
subdevice $SUBDEV
- hint 0
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Direct hardware device without any conversions"
+ }
}
pcm.plughw {
device $DEV
subdevice $SUBDEV
}
- hint 0
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.extended
+ }
+ description "Hardware device with all software conversions"
+ }
}
pcm.plug {
}
pcm.null {
- hint.description "Discard all samples (playback) or generate zero samples (capture)"
type null
+ hint {
+ show {
+ @func refer
+ name defaults.namehint.basic
+ }
+ description "Discard all samples (playback) or generate zero samples (capture)"
+ }
}
-# redirect to load-on-demand extended pcm definitions
-pcm.cards cards.pcm
-# some links for easy use
-pcm.front cards.pcm.front
-pcm.rear cards.pcm.rear
-pcm.center_lfe cards.pcm.center_lfe
-pcm.side cards.pcm.side
-pcm.surround40 cards.pcm.surround40
-pcm.surround41 cards.pcm.surround41
-pcm.surround50 cards.pcm.surround50
-pcm.surround51 cards.pcm.surround51
-pcm.surround71 cards.pcm.surround71
-pcm.iec958 cards.pcm.iec958
-pcm.spdif cards.pcm.iec958
-pcm.modem cards.pcm.modem
-pcm.phoneline cards.pcm.phoneline
-
-pcm.default cards.pcm.default
-pcm.dmix cards.pcm.dmix
-pcm.dsnoop cards.pcm.dsnoop
-
#
# Control interface
#
+ctl.default {
+ type hw
+ card {
+ @func getenv
+ vars [
+ ALSA_CTL_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.ctl.card
+ }
+ }
+}
+
ctl.hw {
@args[ CARD ]
@args.CARD {
ctl $CTL
}
-ctl.default {
+#
+# RawMidi interface
+#
+
+rawmidi.default {
type hw
card {
@func getenv
vars [
- ALSA_CTL_CARD
+ ALSA_RAWMIDI_CARD
ALSA_CARD
]
default {
@func refer
- name defaults.ctl.card
+ name defaults.rawmidi.card
+ }
+ }
+ device {
+ @func igetenv
+ vars [
+ ALSA_RAWMIDI_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.rawmidi.device
}
}
}
-#
-# RawMidi interface
-#
-
rawmidi.hw {
@args [ CARD DEV SUBDEV ]
@args.CARD {
}
}
-rawmidi.default {
- type hw
- card {
- @func getenv
- vars [
- ALSA_RAWMIDI_CARD
- ALSA_CARD
- ]
- default {
- @func refer
- name defaults.rawmidi.card
- }
- }
- device {
- @func igetenv
- vars [
- ALSA_RAWMIDI_DEVICE
- ]
- default {
- @func refer
- name defaults.rawmidi.device
- }
- }
-}
-
rawmidi.virtual {
@args [ MERGE ]
@args.MERGE {
# HwDep interface
#
+hwdep.default {
+ type hw
+ card {
+ @func getenv
+ vars [
+ ALSA_HWDEP_CARD
+ ALSA_CARD
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.card
+ }
+ }
+ device {
+ @func igetenv
+ vars [
+ ALSA_HWDEP_DEVICE
+ ]
+ default {
+ @func refer
+ name defaults.hwdep.device
+ }
+ }
+}
+
hwdep.hw {
@args [ CARD DEV ]
@args.CARD {
device $DEV
}
-hwdep.default {
- type hw
- card {
- @func getenv
- vars [
- ALSA_HWDEP_CARD
- ALSA_CARD
- ]
- default {
- @func refer
- name defaults.hwdep.card
- }
- }
- device {
- @func igetenv
- vars [
- ALSA_HWDEP_DEVICE
- ]
- default {
- @func refer
- name defaults.hwdep.device
- }
- }
-}
-
#
# Timer interface
#
+timer_query.default {
+ type hw
+}
+
timer_query.hw {
type hw
}
-timer_query.default {
+timer.default {
type hw
+ class {
+ @func refer
+ name defaults.timer.class
+ }
+ sclass {
+ @func refer
+ name defaults.timer.sclass
+ }
+ card {
+ @func refer
+ name defaults.timer.card
+ }
+ device {
+ @func refer
+ name defaults.timer.device
+ }
+ subdevice {
+ @func refer
+ name defaults.timer.subdevice
+ }
+ hint.description "Default direct hardware timer device"
}
timer.hw {
device $DEV
subdevice $SUBDEV
}
-
-timer.default {
- type hw
- class {
- @func refer
- name defaults.timer.class
- }
- sclass {
- @func refer
- name defaults.timer.sclass
- }
- card {
- @func refer
- name defaults.timer.card
- }
- device {
- @func refer
- name defaults.timer.device
- }
- subdevice {
- @func refer
- name defaults.timer.subdevice
- }
- hint.description "Default direct hardware timer device"
-}
long device_input;
long device_output;
int stream;
+ int show_all;
+ char *longname;
};
#endif
{
}
-static char *get_dev_name1(struct hint_list *list)
+static int get_dev_name1(struct hint_list *list, char **res)
{
+ *res = NULL;
if (list->device < 0)
- return NULL;
+ return 0;
switch (list->iface) {
case SND_CTL_ELEM_IFACE_HWDEP:
{
snd_hwdep_info_alloca(&info);
snd_hwdep_info_set_device(info, list->device);
if (snd_ctl_hwdep_info(list->ctl, info) < 0)
- return NULL;
- return strdup(snd_hwdep_info_get_name(info));
+ return 0;
+ *res = strdup(snd_hwdep_info_get_name(info));
+ return 0;
}
case SND_CTL_ELEM_IFACE_PCM:
{
snd_pcm_info_set_device(info, list->device);
snd_pcm_info_set_stream(info, list->stream ? SND_PCM_STREAM_CAPTURE : SND_PCM_STREAM_PLAYBACK);
if (snd_ctl_pcm_info(list->ctl, info) < 0)
- return NULL;
+ return 0;
switch (snd_pcm_info_get_class(info)) {
case SND_PCM_CLASS_MODEM:
case SND_PCM_CLASS_DIGITIZER:
- return NULL;
+ return -ENODEV;
default:
break;
}
- return strdup(snd_pcm_info_get_name(info));
+ *res = strdup(snd_pcm_info_get_name(info));
+ return 0;
}
case SND_CTL_ELEM_IFACE_RAWMIDI:
{
snd_rawmidi_info_set_device(info, list->device);
snd_rawmidi_info_set_stream(info, list->stream ? SND_RAWMIDI_STREAM_INPUT : SND_RAWMIDI_STREAM_OUTPUT);
if (snd_ctl_rawmidi_info(list->ctl, info) < 0)
- return NULL;
- return strdup(snd_rawmidi_info_get_name(info));
+ return 0;
+ *res = strdup(snd_rawmidi_info_get_name(info));
+ return 0;
}
default:
- return NULL;
+ return 0;
}
}
list->device = list->device_input >= 0 ? list->device_input : list->device;
list->stream = 1;
- str1 = get_dev_name1(list);
+ if (get_dev_name1(list, &str1) < 0)
+ return NULL;
list->device = list->device_output >= 0 ? list->device_input : list->device;
list->stream = 0;
- str2 = get_dev_name1(list);
+ if (get_dev_name1(list, &str2) < 0) {
+ if (str1)
+ free(str1);
+ return NULL;
+ }
if (str1 != NULL || str2 != NULL) {
if (str1 != NULL && str2 != NULL) {
if (strcmp(str1, str2) == 0) {
- free(str1);
- return str2;
- }
- res = realloc(str2, strlen(str2) + strlen(str1) + 4);
- if (res != NULL) {
- strcat(res, " / ");
- strcat(res, str1);
- free(str1);
- return res;
+ res = malloc(strlen(list->longname) + strlen(str2) + 3);
+ if (res != NULL) {
+ strcpy(res, list->longname);
+ strcat(res, ", ");
+ strcat(res, str2);
+ }
} else {
- free(str2);
- free(str1);
+ res = malloc(strlen(list->longname) + strlen(str2) + strlen(str1) + 6);
+ if (res != NULL) {
+ strcpy(res, list->longname);
+ strcat(res, ", ");
+ strcat(res, str2);
+ strcat(res, " / ");
+ strcat(res, str1);
+ }
}
+ free(str2);
+ free(str1);
+ return res;
} else {
if (str1 != NULL) {
- res = realloc(str1, strlen(str1) + 16);
- if (res == NULL) {
- free(str1);
- return NULL;
- }
- strcat(res, " {");
- strcat(res, list->iface == SND_CTL_ELEM_IFACE_PCM ? "Capture" : "Input");
- strcat(res, "}");
- return res;
+ str2 = list->iface == SND_CTL_ELEM_IFACE_PCM ? "Capture" : "Input";
} else {
- res = realloc(str2, strlen(str2) + 16);
- if (res == NULL) {
- free(str2);
- return NULL;
- }
- strcat(res, " {");
- strcat(res, list->iface == SND_CTL_ELEM_IFACE_PCM ? "Playback" : "Output");
- strcat(res, "}");
- return res;
+ str1 = str2;
+ str2 = list->iface == SND_CTL_ELEM_IFACE_PCM ? "Playback" : "Output";
}
+ res = malloc(strlen(list->longname) + strlen(str1) + 19);
+ if (res == NULL) {
+ free(str1);
+ return NULL;
+ }
+ strcpy(res, list->longname);
+ strcat(res, ", ");
+ strcat(res, str1);
+ strcat(res, " {");
+ strcat(res, list->iface == SND_CTL_ELEM_IFACE_PCM ? "Capture" : "Input");
+ strcat(res, "}");
+ free(str1);
+ return res;
}
+ } else {
+ return strdup(list->longname);
}
return NULL;
}
const char *name)
{
snd_lib_error_handler_t eh;
- snd_config_t *res, *cfg, *n;
+ snd_config_t *res = NULL, *cfg, *n;
snd_config_iterator_t i, next;
char *buf, *buf1 = NULL, *buf2;
const char *str;
- int err;
+ int err = 0, level;
long dev = list->device;
list->device_input = -1;
buf = malloc(BUF_SIZE);
if (buf == NULL)
return -ENOMEM;
+ sprintf(buf, "%s.%s", base, name);
+ /* look for redirection */
+ if (snd_config_search(snd_config, buf, &cfg) >= 0 &&
+ snd_config_get_string(cfg, &str) >= 0 &&
+ ((strncmp(base, str, strlen(base)) == 0 &&
+ str[strlen(base)] == '.') || strchr(str, '.') == NULL))
+ goto __skip_add;
if (list->card >= 0 && list->device >= 0)
sprintf(buf, "%s:CARD=%s,DEV=%i", name, snd_ctl_card_info_get_id(list->info), list->device);
else if (list->card >= 0)
err = snd_config_search_definition(snd_config, base, buf, &res);
snd_lib_error_set_handler(eh);
if (err < 0)
- return err;
+ goto __skip_add;
err = -EINVAL;
if (snd_config_get_type(res) != SND_CONFIG_TYPE_COMPOUND)
goto __cleanup;
if (snd_config_search(res, "type", NULL) < 0)
goto __cleanup;
+
+#if 0 /* for debug purposes */
+ {
+ snd_output_t *out;
+ fprintf(stderr, "********* PCM '%s':\n", buf);
+ snd_output_stdio_attach(&out, stderr, 0);
+ snd_config_save(res, out);
+ snd_output_close(out);
+ fprintf(stderr, "\n");
+ }
+#endif
+
cfg = res;
+ level = 0;
__hint:
+ level++;
if (snd_config_search(cfg, "hint", &cfg) >= 0) {
- if (snd_config_get_type(cfg) == SND_CONFIG_TYPE_COMPOUND) {
- if (snd_config_search(cfg, "description", &n) >= 0 &&
- snd_config_get_string(n, &str) >= 0) {
- buf1 = strdup(str);
- if (buf1 == NULL) {
- err = -ENOMEM;
- goto __cleanup;
- }
+ if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) {
+ SNDERR("hint (%s) must be a compound", buf);
+ err = -EINVAL;
+ goto __cleanup;
+ }
+ if (level == 1 &&
+ snd_config_search(cfg, "show", &n) >= 0 &&
+ snd_config_get_bool(n) <= 0)
+ goto __skip_add;
+ if (buf1 == NULL &&
+ snd_config_search(cfg, "description", &n) >= 0 &&
+ snd_config_get_string(n, &str) >= 0) {
+ buf1 = strdup(str);
+ if (buf1 == NULL) {
+ err = -ENOMEM;
+ goto __cleanup;
}
- if (snd_config_search(cfg, "device", &n) >= 0) {
- if (snd_config_get_integer(n, &dev) < 0) {
- err = -EINVAL;
- goto __cleanup;
- }
+ }
+ if (snd_config_search(cfg, "device", &n) >= 0) {
+ if (snd_config_get_integer(n, &dev) < 0) {
+ SNDERR("(%s) device must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
}
- if (snd_config_search(cfg, "device_input", &n) >= 0) {
- if (snd_config_get_integer(n, &list->device_input) < 0) {
- err = -EINVAL;
- goto __cleanup;
- }
+ list->device_input = -1;
+ list->device_output = -1;
+ }
+ if (snd_config_search(cfg, "device_input", &n) >= 0) {
+ if (snd_config_get_integer(n, &list->device_input) < 0) {
+ SNDERR("(%s) device_input must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
}
- if (snd_config_search(cfg, "device_output", &n) >= 0) {
- if (snd_config_get_integer(n, &list->device_output) < 0) {
- err = -EINVAL;
- goto __cleanup;
- }
+ list->device_output = -1;
+ }
+ if (snd_config_search(cfg, "device_output", &n) >= 0) {
+ if (snd_config_get_integer(n, &list->device_output) < 0) {
+ SNDERR("(%s) device_output must be an integer", buf);
+ err = -EINVAL;
+ goto __cleanup;
}
- } else if (snd_config_get_bool(cfg) == 0) {
- err = -EXDEV;
- goto __cleanup;
}
- goto __hint_ok;
- }
+ } else if (level == 1 && !list->show_all)
+ goto __skip_add;
if (snd_config_search(cfg, "slave", &cfg) >= 0 &&
snd_config_search(cfg, base, &cfg) >= 0)
goto __hint;
- __hint_ok:
-#if 0 /* for debug purposes */
- {
- snd_output_t *out;
- fprintf(stderr, "********* PCM '%s':\n", buf);
- snd_output_stdio_attach(&out, stderr, 0);
- snd_config_save(res, out);
- snd_output_close(out);
- printf("\n");
- }
-#endif
snd_config_delete(res);
res = NULL;
if (strchr(buf, ':') != NULL)
__ok:
err = 0;
__cleanup:
- if (res)
- snd_config_delete(res);
if (err >= 0) {
list->device = dev;
- str = get_dev_name(list);
+ str = list->card >= 0 ? get_dev_name(list) : NULL;
if (str != NULL) {
- buf2 = realloc((char *)str, (buf1 == NULL ? 0 : strlen(buf1)) + 2 + strlen(str) + 1);
+ buf2 = realloc((char *)str, (buf1 == NULL ? 0 : strlen(buf1)) + 1 + strlen(str) + 1);
if (buf2 != NULL) {
if (buf1 != NULL) {
- strcat(buf2, ": ");
+ strcat(buf2, "\n");
strcat(buf2, buf1);
free(buf1);
}
err = hint_list_add(list, buf, buf1);
}
__skip_add:
+ if (res)
+ snd_config_delete(res);
if (buf1)
free(buf1);
free(buf);
list->info = info;
if (iface > SND_CTL_ELEM_IFACE_LAST)
return -EINVAL;
- if (snd_card_get_name(card, (char **)&str) < 0)
- return 0;
base = snd_ctl_iface_conf_name(iface);
err = snd_config_search(snd_config, base, &conf);
if (err < 0)
}
err = 0;
__error:
- if (err < 0)
- snd_ctl_close(list->ctl);
+ snd_ctl_close(list->ctl);
return err;
}
* myplug "plug:front:Do all conversions for front speakers"<br>
* }
* </code>
+ *
+ * Special variables: defaults.namehint.showall specifies if all device
+ * definitions are accepted (boolean type).
*/
int snd_device_name_hint(int card, snd_ctl_elem_iface_t iface, char ***hints)
{
list.list = NULL;
list.count = list.allocated = 0;
list.iface = iface;
+ list.show_all = 0;
+ list.longname = NULL;
+ if (snd_config_search(snd_config, "defaults.namehint.showall", &conf) >= 0)
+ list.show_all = snd_config_get_bool(conf) > 0;
if (card >= 0) {
err = add_card(&list, card, iface);
} else {
if (err < 0)
goto __error;
while (card >= 0) {
+ err = snd_card_get_longname(card, &list.longname);
+ if (err < 0)
+ goto __error;
err = add_card(&list, card, iface);
if (err < 0)
goto __error;
__error:
if (err < 0) {
snd_device_name_free_hint(list.list);
+ if (list.longname)
+ free(list.longname);
return err;
} else {
err = hint_list_add(&list, NULL, NULL);
if (err < 0)
goto __error;
*hints = list.list;
+ if (list.longname)
+ free(list.longname);
}
return 0;
}
git://git.alsa-project.org / alsa-lib.git / commitdiff