ado_mixer_find_element()

Search a mixer for an element

Synopsis:

#include <audio_driver.h>

ado_mixer_delement_t *ado_mixer_find_element
  ( ado_mixer_t *mixer,
    int32_t type,
    int8_t *name,
    int32_t index );

Arguments:

mixer

The mixer to search. This is a pointer to the ado_mixer_t structure created by ado_mixer_create().

type

The type of element; one of:

• SND_MIXER_ETYPE_INPUT
• SND_MIXER_ETYPE_ADC
• SND_MIXER_ETYPE_CAPTURE1
• SND_MIXER_ETYPE_CAPTURE2
• SND_MIXER_ETYPE_OUTPUT
• SND_MIXER_ETYPE_DAC
• SND_MIXER_ETYPE_PLAYBACK1
• SND_MIXER_ETYPE_PLAYBACK2
• SND_MIXER_ETYPE_SWITCH1
• SND_MIXER_ETYPE_SWITCH2
• SND_MIXER_ETYPE_SWITCH3
• SND_MIXER_ETYPE_VOLUME1
• SND_MIXER_ETYPE_VOLUME2
• SND_MIXER_ETYPE_ACCU1
• SND_MIXER_ETYPE_ACCU2
• SND_MIXER_ETYPE_ACCU3
• SND_MIXER_ETYPE_MUX1
• SND_MIXER_ETYPE_MUX2
• SND_MIXER_ETYPE_TONE_CONTROL1
• SND_MIXER_ETYPE_3D_EFFECT1
• SND_MIXER_ETYPE_EQUALIZER1
• SND_MIXER_ETYPE_PAN_CONTROL1
• SND_MIXER_ETYPE_PRE_EFFECT1

name

The name of the element.

index

The index of the element.

Description:

The ado_mixer_find_element() function searches all elements in a mixer for a given element.

Returns:

A pointer to the element, or NULL if no exact match was found.

Classification:

QNX Neutrino

See also:

ado_mixer_find_group()