snd_ctl_hw_info

Information about a sound card's hardware

Synopsis:

typedef struct snd_ctl_hw_info
{
    uint32_t    type;
    uint32_t    hwdepdevs;
    uint32_t    pcmdevs;
    uint32_t    mixerdevs;
    uint32_t    mididevs;
    uint32_t    timerdevs;
    char        id[16];
    char        abbreviation[16];
    char        name[32];
    char        longname[80];
    uint8_t     reserved[128];      /* must be filled with zeroes */
}       snd_ctl_hw_info_t;

Description:

The snd_ctl_hw_info_t structure describes a sound card's hardware. You can get this information by calling snd_ctl_hw_info().

The members include:

type: The type of sound card. Deprecated; don't use this member.
hwdepdevs: The total number of hardware-dependent devices on this sound card. Deprecated; don't use this member.
pcmdevs: The total number of PCM devices on this sound card.
mixerdevs: The total number of mixer devices on this sound card.
mididevs: The total number of midi devices on this sound card. Not supported at this time; don't use this member.
timerdevs: The total number of timer devices on this sound card. Not supported at this time; don't use this member.
id: An ID string that identifies this sound card.
abbreviation: An abbreviated name for identifying this sound card.
name: A common name for this sound card.
longname: A unique, descriptive name for this sound card.
reserved: Reserved; this member must be filled with zeroes.

Classification:

QNX Neutrino