Module pnmixerlib::support_alsa

Alsa audio helper functions.

This mod wraps around a few low-level alsa functions and abstracts out the details we don't care about.

Functions

alsa_card_has_playable_selem	Check whether the given alsa card as a playable Selem.
get_alsa_card_by_id	Get an alsa card corresponding to the given ID.
get_alsa_card_by_name	Get an alsa card by the given name.
get_alsa_cards	Get all available alsa cards.
get_default_alsa_card	Get the default alsa card. This is the one with the ID 0.
get_first_playable_alsa_card	Get the first playable alsa card.
get_first_playable_selem	Get the first playable Selem.
get_mixer	Get the Mixer for the given alsa card.
get_playable_alsa_card_names	Get the names of all playable alsa cards.
get_playable_selem_by_name	Get a playable Selem by the given name.
get_playable_selem_names	Get the names from all playable Selems.
get_playable_selems	Get all playable Selems.
get_selem	Get the Selem from the given Elem.
selem_is_playable	Check whether the given Selem is playable.