AudioFormat Struct Reference

Standard audio format descriptor across all IPC4 modules and gateways. More...

#include <src/include/module/ipc4/base-config.h>

Data Fields
uint32_t	sampling_frequency
	Sampling rate in Hz (one of enum ipc4_sampling_frequency).
uint32_t	depth
	Container bit depth in bits (one of enum ipc4_bit_depth).
uint32_t	ch_map
	32-bit channel map nibbles (CHANNEL_LEFT, CHANNEL_RIGHT, etc.).
uint32_t	ch_cfg
	Channel topology configuration (one of enum ipc4_channel_config).
uint32_t	interleaving_style
	Sample layout (one of enum ipc4_interleaved_style).
uint32_t	channels_count: 8
	Active channel count (1 to 8).
uint32_t	valid_bit_depth: 8
	Number of significant valid bits within container (e.g.
uint32_t	s_type: 8
	Sample representation type (one of enum ipc4_sample_type).
uint32_t	reserved: 8
	Reserved padding bits; must be set to 0.

Detailed Description

Standard audio format descriptor across all IPC4 modules and gateways.

Field Documentation

ch_cfg

uint32_t AudioFormat::ch_cfg

Channel topology configuration (one of enum ipc4_channel_config).

ch_map

uint32_t AudioFormat::ch_map

32-bit channel map nibbles (CHANNEL_LEFT, CHANNEL_RIGHT, etc.).

channels_count

uint32_t AudioFormat::channels_count

Active channel count (1 to 8).

depth

uint32_t AudioFormat::depth

Container bit depth in bits (one of enum ipc4_bit_depth).

interleaving_style

uint32_t AudioFormat::interleaving_style

Sample layout (one of enum ipc4_interleaved_style).

reserved

uint32_t AudioFormat::reserved

Reserved padding bits; must be set to 0.

s_type

uint32_t AudioFormat::s_type

Sample representation type (one of enum ipc4_sample_type).

sampling_frequency

uint32_t AudioFormat::sampling_frequency

Sampling rate in Hz (one of enum ipc4_sampling_frequency).

valid_bit_depth

uint32_t AudioFormat::valid_bit_depth

Number of significant valid bits within container (e.g.

24).

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The documentation for this struct was generated from the following file:

• src/include/module/ipc4/base-config.h