ALSA Library Reference Manual
DECLARATION
struct snd_mixer_element_io_info
{
unsigned int attrib; /* SND_MIXER_EIO_* */
int voices_size; /* size in voice descriptors */
int voices; /* count of filled voice descriptors */
int voices_over; /* missing voice descriptors */
snd_mixer_voice_t *pvoices; /* array */
};
REFERENCE