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device: improve properties and info

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This commit is contained in:
Wim Taymans 2018-11-28 12:21:58 +01:00
parent cff8ce8e99
commit 59d77818d6
2 changed files with 62 additions and 57 deletions
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59
spa/plugins/alsa/alsa-device.c
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@ -99,26 +99,20 @@ static const char *get_subclass(snd_pcm_info_t *pcminfo)
}
}
static int emit_node(struct impl *this, snd_ctl_card_info_t *info, snd_pcm_info_t *pcminfo)
static int emit_node(struct impl *this, snd_pcm_info_t *pcminfo)
{
struct spa_dict_item items[12];
struct spa_dict_item items[6];
const struct spa_handle_factory *factory;
char device_name[128];
snprintf(device_name, 128, "%s,%d", this->props.device, snd_pcm_info_get_device(pcminfo));
items[0] = SPA_DICT_ITEM_INIT("alsa.device", device_name);
items[1] = SPA_DICT_ITEM_INIT("alsa.card.id", snd_ctl_card_info_get_id(info));
items[2] = SPA_DICT_ITEM_INIT("alsa.card.components", snd_ctl_card_info_get_components(info));
items[3] = SPA_DICT_ITEM_INIT("alsa.card.driver", snd_ctl_card_info_get_driver(info));
items[4] = SPA_DICT_ITEM_INIT("alsa.card.name", snd_ctl_card_info_get_name(info));
items[5] = SPA_DICT_ITEM_INIT("alsa.card.longname", snd_ctl_card_info_get_longname(info));
items[6] = SPA_DICT_ITEM_INIT("alsa.card.mixername", snd_ctl_card_info_get_mixername(info));
items[7] = SPA_DICT_ITEM_INIT("alsa.pcm.id", snd_pcm_info_get_id(pcminfo));
items[8] = SPA_DICT_ITEM_INIT("alsa.pcm.name", snd_pcm_info_get_name(pcminfo));
items[9] = SPA_DICT_ITEM_INIT("alsa.pcm.subname", snd_pcm_info_get_subdevice_name(pcminfo));
items[10] = SPA_DICT_ITEM_INIT("alsa.pcm.class", get_class(pcminfo));
items[11] = SPA_DICT_ITEM_INIT("alsa.pcm.subclass", get_subclass(pcminfo));
items[0] = SPA_DICT_ITEM_INIT("alsa.device", device_name);
items[1] = SPA_DICT_ITEM_INIT("alsa.pcm.id", snd_pcm_info_get_id(pcminfo));
items[2] = SPA_DICT_ITEM_INIT("alsa.pcm.name", snd_pcm_info_get_name(pcminfo));
items[3] = SPA_DICT_ITEM_INIT("alsa.pcm.subname", snd_pcm_info_get_subdevice_name(pcminfo));
items[4] = SPA_DICT_ITEM_INIT("alsa.pcm.class", get_class(pcminfo));
items[5] = SPA_DICT_ITEM_INIT("alsa.pcm.subclass", get_subclass(pcminfo));
if (snd_pcm_info_get_stream(pcminfo) == SND_PCM_STREAM_PLAYBACK)
factory = &spa_alsa_sink_factory;
@ -133,9 +127,10 @@ static int emit_node(struct impl *this, snd_ctl_card_info_t *info, snd_pcm_info_
return 0;
}
static int emit_nodes(struct impl *this)
static int emit_info(struct impl *this)
{
int err = 0, dev;
struct spa_dict_item items[8];
snd_ctl_card_info_t *info;
snd_pcm_info_t *pcminfo;
@ -153,6 +148,18 @@ static int emit_nodes(struct impl *this)
goto exit;
}
items[0] = SPA_DICT_ITEM_INIT("device.path", (char *)this->props.device);
items[1] = SPA_DICT_ITEM_INIT("media.class", "Audio/Device");
items[2] = SPA_DICT_ITEM_INIT("alsa.card.id", snd_ctl_card_info_get_id(info));
items[3] = SPA_DICT_ITEM_INIT("alsa.card.components", snd_ctl_card_info_get_components(info));
items[4] = SPA_DICT_ITEM_INIT("alsa.card.driver", snd_ctl_card_info_get_driver(info));
items[5] = SPA_DICT_ITEM_INIT("alsa.card.name", snd_ctl_card_info_get_name(info));
items[6] = SPA_DICT_ITEM_INIT("alsa.card.longname", snd_ctl_card_info_get_longname(info));
items[7] = SPA_DICT_ITEM_INIT("alsa.card.mixername", snd_ctl_card_info_get_mixername(info));
if (this->callbacks->info)
this->callbacks->info(this->callbacks_data, &SPA_DICT_INIT(items, 8));
snd_pcm_info_alloca(&pcminfo);
dev = -1;
while (1) {
@ -171,28 +178,23 @@ static int emit_nodes(struct impl *this)
if (err != -ENOENT)
spa_log_error(this->log, "error pcm info: %s", snd_strerror(err));
}
if (err >= 0)
emit_node(this, info, pcminfo);
if (err >= 0 && this->callbacks->add)
emit_node(this, pcminfo);
snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_CAPTURE);
if ((err = snd_ctl_pcm_info(this->ctl_hndl, pcminfo)) < 0) {
if (err != -ENOENT)
spa_log_error(this->log, "error pcm info: %s", snd_strerror(err));
}
if (err >= 0)
emit_node(this, info, pcminfo);
if (err >= 0 && this->callbacks->add)
emit_node(this, pcminfo);
}
exit:
snd_ctl_close(this->ctl_hndl);
return err;
}
static const struct spa_dict_item info_items[] = {
{ "media.class", "Audio/Device" },
};
static int impl_set_callbacks(struct spa_device *device,
const struct spa_device_callbacks *callbacks,
void *data)
@ -206,13 +208,8 @@ static int impl_set_callbacks(struct spa_device *device,
this->callbacks = callbacks;
this->callbacks_data = data;
if (callbacks) {
if (callbacks->info)
callbacks->info(data, &SPA_DICT_INIT_ARRAY(info_items));
if (this->callbacks->add)
emit_nodes(this);
}
if (callbacks)
emit_info(this);
return 0;
}