# native_audio_channel_layout.h


## Overview

The **native_audio_channel_layout.h** file declares the functions related to the speaker layout during recording and playback.

**Library**: none

**System capability**: SystemCapability.Multimedia.Media.Core

**Since**: 11

**Related module**: [Core](_core.md)


## Summary


### Types

| Name| Description| 
| -------- | -------- |
| typedef enum [OH_AudioChannelSet](_core.md#oh_audiochannelset-1) [OH_AudioChannelSet](_core.md#oh_audiochannelset) | Defines an enum for audio channel sets.| 
| typedef enum [OH_AmbAttributeSet](_core.md#oh_ambattributeset-1) [OH_AmbAttributeSet](_core.md#oh_ambattributeset) | Defines an enum for Hi-Fi stereo reverberation settings.| 
| typedef enum [OH_AudioChannelLayout](_core.md#oh_audiochannellayout-1) [OH_AudioChannelLayout](_core.md#oh_audiochannellayout) | Defines an enum for audio channel layouts.| 


### Enums

| Name| Description| 
| -------- | -------- |
| [OH_AudioChannelSet](_core.md#oh_audiochannelset-1) {<br>CH_SET_FRONT_LEFT = 1ULL &lt;&lt; 0U,<br>CH_SET_FRONT_RIGHT = 1ULL &lt;&lt; 1U,<br>CH_SET_FRONT_CENTER = 1ULL &lt;&lt; 2U,<br>CH_SET_LOW_FREQUENCY = 1ULL &lt;&lt; 3U,<br>CH_SET_BACK_LEFT = 1ULL &lt;&lt; 4U,<br>CH_SET_BACK_RIGHT = 1ULL &lt;&lt; 5U,<br>CH_SET_FRONT_LEFT_OF_CENTER = 1ULL &lt;&lt; 6U,<br>CH_SET_FRONT_RIGHT_OF_CENTER = 1ULL &lt;&lt; 7U,<br>CH_SET_BACK_CENTER = 1ULL &lt;&lt; 8U,<br>CH_SET_SIDE_LEFT = 1ULL &lt;&lt; 9U,<br>CH_SET_SIDE_RIGHT = 1ULL &lt;&lt; 10U,<br>CH_SET_TOP_CENTER = 1ULL &lt;&lt; 11U,<br>CH_SET_TOP_FRONT_LEFT = 1ULL &lt;&lt; 12U,<br>CH_SET_TOP_FRONT_CENTER = 1ULL &lt;&lt; 13U,<br>CH_SET_TOP_FRONT_RIGHT = 1ULL &lt;&lt; 14U,<br>CH_SET_TOP_BACK_LEFT = 1ULL &lt;&lt; 15U,<br>CH_SET_TOP_BACK_CENTER = 1ULL &lt;&lt; 16U,<br>CH_SET_TOP_BACK_RIGHT = 1ULL &lt;&lt; 17U,<br>CH_SET_STEREO_LEFT = 1ULL &lt;&lt; 29U,<br>CH_SET_STEREO_RIGHT = 1ULL &lt;&lt; 30U,<br>CH_SET_WIDE_LEFT = 1ULL &lt;&lt; 31U,<br>CH_SET_WIDE_RIGHT = 1ULL &lt;&lt; 32U,<br>CH_SET_SURROUND_DIRECT_LEFT = 1ULL &lt;&lt; 33U,<br>CH_SET_SURROUND_DIRECT_RIGHT = 1ULL &lt;&lt; 34U,<br>CH_SET_LOW_FREQUENCY_2 = 1ULL &lt;&lt; 35U,<br>CH_SET_TOP_SIDE_LEFT = 1ULL &lt;&lt; 36U,<br>CH_SET_TOP_SIDE_RIGHT = 1ULL &lt;&lt; 37U,<br>CH_SET_BOTTOM_FRONT_CENTER = 1ULL &lt;&lt; 38U,<br>CH_SET_BOTTOM_FRONT_LEFT = 1ULL &lt;&lt; 39U,<br>CH_SET_BOTTOM_FRONT_RIGHT = 1ULL &lt;&lt; 40U<br>} | Enumerates the audio channel sets.| 
| [OH_AmbAttributeSet](_core.md#oh_ambattributeset-1) {<br>AMB_ORD_1 = 1ULL &lt;&lt; 0U,<br>AMB_ORD_2 = 2ULL &lt;&lt; 0U,<br>AMB_ORD_3 = 3ULL &lt;&lt; 0U,<br>AMB_COM_ACN = 0ULL &lt;&lt; 8U,<br>AMB_COM_FUMA = 1ULL &lt;&lt; 8U,<br>AMB_NOR_N3D = 0ULL &lt;&lt; 12U,<br>AMB_NOR_SN3D = 1ULL &lt;&lt; 12U,<br>AMB_MODE = 1ULL &lt;&lt; 44U<br>} | Enumerates the Hi-Fi stereo reverberation settings.| 
| [OH_AudioChannelLayout](_core.md#oh_audiochannellayout-1) {<br>CH_LAYOUT_UNKNOWN = 0ULL,<br>CH_LAYOUT_MONO = CH_SET_FRONT_CENTER,<br>CH_LAYOUT_STEREO = CH_SET_FRONT_LEFT \| CH_SET_FRONT_RIGHT,<br>CH_LAYOUT_STEREO_DOWNMIX = CH_SET_STEREO_LEFT \| CH_SET_STEREO_RIGHT,<br>CH_LAYOUT_2POINT1 = CH_LAYOUT_STEREO \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_3POINT0 = CH_LAYOUT_STEREO \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_SURROUND = CH_LAYOUT_STEREO \| CH_SET_FRONT_CENTER,<br>CH_LAYOUT_3POINT1 = CH_LAYOUT_SURROUND \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_4POINT0 = CH_LAYOUT_SURROUND \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_QUAD_SIDE = CH_LAYOUT_STEREO \| CH_SET_SIDE_LEFT \| CH_SET_SIDE_RIGHT,<br>CH_LAYOUT_QUAD = CH_LAYOUT_STEREO \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,<br>CH_LAYOUT_2POINT0POINT2 = CH_LAYOUT_STEREO \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,<br>CH_LAYOUT_AMB_ORDER1_ACN_N3D = AMB_MODE \| AMB_ORD_1 \| AMB_COM_ACN \| AMB_NOR_N3D, CH_LAYOUT_AMB_ORDER1_ACN_SN3D = AMB_MODE \| AMB_ORD_1 \| AMB_COM_ACN \| AMB_NOR_SN3D,<br>CH_LAYOUT_AMB_ORDER1_FUMA = AMB_MODE \| AMB_ORD_1 \| AMB_COM_FUMA,<br>CH_LAYOUT_4POINT1 = CH_LAYOUT_4POINT0 \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_5POINT0 = CH_LAYOUT_SURROUND \| CH_SET_SIDE_LEFT \| CH_SET_SIDE_RIGHT,<br>CH_LAYOUT_5POINT0_BACK = CH_LAYOUT_SURROUND \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,<br>CH_LAYOUT_2POINT1POINT2 = CH_LAYOUT_2POINT0POINT2 \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_3POINT0POINT2 = CH_LAYOUT_2POINT0POINT2 \| CH_SET_FRONT_CENTER,<br>CH_LAYOUT_5POINT1 = CH_LAYOUT_5POINT0 \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_5POINT1_BACK = CH_LAYOUT_5POINT0_BACK \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_6POINT0 = CH_LAYOUT_5POINT0 \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_3POINT1POINT2 = CH_LAYOUT_3POINT1 \| CH_SET_TOP_FRONT_LEFT \| CH_SET_TOP_FRONT_RIGHT,<br>CH_LAYOUT_6POINT0_FRONT = CH_LAYOUT_QUAD_SIDE \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,<br>CH_LAYOUT_HEXAGONAL = CH_LAYOUT_5POINT0_BACK \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_6POINT1 = CH_LAYOUT_5POINT1 \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_6POINT1_BACK = CH_LAYOUT_5POINT1_BACK \| CH_SET_BACK_CENTER,<br>CH_LAYOUT_6POINT1_FRONT = CH_LAYOUT_6POINT0_FRONT \| CH_SET_LOW_FREQUENCY,<br>CH_LAYOUT_7POINT0 = CH_LAYOUT_5POINT0 \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,<br>CH_LAYOUT_7POINT0_FRONT = CH_LAYOUT_5POINT0 \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,<br>CH_LAYOUT_7POINT1 = CH_LAYOUT_5POINT1 \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,<br>CH_LAYOUT_OCTAGONAL = CH_LAYOUT_5POINT0 \| CH_SET_BACK_LEFT \| CH_SET_BACK_CENTER \| CH_SET_BACK_RIGHT,<br>CH_LAYOUT_5POINT1POINT2 = CH_LAYOUT_5POINT1 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,<br>CH_LAYOUT_7POINT1_WIDE = CH_LAYOUT_5POINT1 \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,<br>CH_LAYOUT_7POINT1_WIDE_BACK = CH_LAYOUT_5POINT1_BACK \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,<br>CH_LAYOUT_AMB_ORDER2_ACN_N3D = AMB_MODE \| AMB_ORD_2 \| AMB_COM_ACN \| AMB_NOR_N3D,<br>CH_LAYOUT_AMB_ORDER2_ACN_SN3D = AMB_MODE \| AMB_ORD_2 \| AMB_COM_ACN \| AMB_NOR_SN3D,<br>CH_LAYOUT_AMB_ORDER2_FUMA = AMB_MODE \| AMB_ORD_2 \| AMB_COM_FUMA,<br>CH_LAYOUT_5POINT1POINT4,<br>CH_LAYOUT_7POINT1POINT2 = CH_LAYOUT_7POINT1 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,<br>CH_LAYOUT_7POINT1POINT4,<br>CH_LAYOUT_10POINT2,<br>CH_LAYOUT_9POINT1POINT4 = CH_LAYOUT_7POINT1POINT4 \| CH_SET_WIDE_LEFT \| CH_SET_WIDE_RIGHT,<br>CH_LAYOUT_9POINT1POINT6 = CH_LAYOUT_9POINT1POINT4 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,<br>CH_LAYOUT_HEXADECAGONAL,<br>CH_LAYOUT_AMB_ORDER3_ACN_N3D = AMB_MODE \| AMB_ORD_3 \| AMB_COM_ACN \| AMB_NOR_N3D,<br>CH_LAYOUT_AMB_ORDER3_ACN_SN3D = AMB_MODE \| AMB_ORD_3 \| AMB_COM_ACN \| AMB_NOR_SN3D,<br>CH_LAYOUT_AMB_ORDER3_FUMA = AMB_MODE \| AMB_ORD_3 \| AMB_COM_FUMA,<br>CH_LAYOUT_22POINT2<br>} | Enumerates the audio channel layouts.|