# native_audio_channel_layout.h
## 概述
用声道布局来表示在录制或播放时扬声器的外观和顺序。
**库：** 无
**系统能力：** SystemCapability.Multimedia.Media.Core
**起始版本：** 11
**相关模块：**[Core](_core.md)
## 汇总
### 类型定义
| 名称 | 描述 |
| -------- | -------- |
| typedef enum [OH_AudioChannelSet](_core.md#oh_audiochannelset)[OH_AudioChannelSet](_core.md#oh_audiochannelset) | 音频声道集合。 |
| typedef enum [OH_AmbAttributeSet](_core.md#oh_ambattributeset)[OH_AmbAttributeSet](_core.md#oh_ambattributeset) | 高保真立体声混响设置。 |
| typedef enum [OH_AudioChannelLayout](_core.md#oh_audiochannellayout)[OH_AudioChannelLayout](_core.md#oh_audiochannellayout) | 音频声道布局。 |
### 枚举
| 名称 | 描述 |
| -------- | -------- |
| [OH_AudioChannelSet](_core.md#oh_audiochannelset) {
CH_SET_FRONT_LEFT = 1ULL << 0U,
CH_SET_FRONT_RIGHT = 1ULL << 1U,
CH_SET_FRONT_CENTER = 1ULL << 2U,
CH_SET_LOW_FREQUENCY = 1ULL << 3U,
CH_SET_BACK_LEFT = 1ULL << 4U,
CH_SET_BACK_RIGHT = 1ULL << 5U,
CH_SET_FRONT_LEFT_OF_CENTER = 1ULL << 6U,
CH_SET_FRONT_RIGHT_OF_CENTER = 1ULL << 7U,
CH_SET_BACK_CENTER = 1ULL << 8U,
CH_SET_SIDE_LEFT = 1ULL << 9U,
CH_SET_SIDE_RIGHT = 1ULL << 10U,
CH_SET_TOP_CENTER = 1ULL << 11U,
CH_SET_TOP_FRONT_LEFT = 1ULL << 12U,
CH_SET_TOP_FRONT_CENTER = 1ULL << 13U,
CH_SET_TOP_FRONT_RIGHT = 1ULL << 14U,
CH_SET_TOP_BACK_LEFT = 1ULL << 15U,
CH_SET_TOP_BACK_CENTER = 1ULL << 16U,
CH_SET_TOP_BACK_RIGHT = 1ULL << 17U,
CH_SET_STEREO_LEFT = 1ULL << 29U,
CH_SET_STEREO_RIGHT = 1ULL << 30U,
CH_SET_WIDE_LEFT = 1ULL << 31U,
CH_SET_WIDE_RIGHT = 1ULL << 32U,
CH_SET_SURROUND_DIRECT_LEFT = 1ULL << 33U,
CH_SET_SURROUND_DIRECT_RIGHT = 1ULL << 34U,
CH_SET_LOW_FREQUENCY_2 = 1ULL << 35U,
CH_SET_TOP_SIDE_LEFT = 1ULL << 36U,
CH_SET_TOP_SIDE_RIGHT = 1ULL << 37U,
CH_SET_BOTTOM_FRONT_CENTER = 1ULL << 38U,
CH_SET_BOTTOM_FRONT_LEFT = 1ULL << 39U,
CH_SET_BOTTOM_FRONT_RIGHT = 1ULL << 40U
} | 音频声道集合。 |
| [OH_AmbAttributeSet](_core.md#oh_ambattributeset) {
AMB_ORD_1 = 1ULL << 0U,
AMB_ORD_2 = 2ULL << 0U,
AMB_ORD_3 = 3ULL << 0U,
AMB_COM_ACN = 0ULL << 8U,
AMB_COM_FUMA = 1ULL << 8U,
AMB_NOR_N3D = 0ULL << 12U,
AMB_NOR_SN3D = 1ULL << 12U,
AMB_MODE = 1ULL << 44U
} | 高保真立体声混响设置。 |
| [OH_AudioChannelLayout](_core.md#oh_audiochannellayout) {
CH_LAYOUT_UNKNOWN = 0ULL,
CH_LAYOUT_MONO = CH_SET_FRONT_CENTER,
CH_LAYOUT_STEREO = CH_SET_FRONT_LEFT \| CH_SET_FRONT_RIGHT,
CH_LAYOUT_STEREO_DOWNMIX = CH_SET_STEREO_LEFT \| CH_SET_STEREO_RIGHT,
CH_LAYOUT_2POINT1 = CH_LAYOUT_STEREO \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_3POINT0 = CH_LAYOUT_STEREO \| CH_SET_BACK_CENTER,
CH_LAYOUT_SURROUND = CH_LAYOUT_STEREO \| CH_SET_FRONT_CENTER,
CH_LAYOUT_3POINT1 = CH_LAYOUT_SURROUND \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_4POINT0 = CH_LAYOUT_SURROUND \| CH_SET_BACK_CENTER,
CH_LAYOUT_QUAD_SIDE = CH_LAYOUT_STEREO \| CH_SET_SIDE_LEFT \| CH_SET_SIDE_RIGHT,
CH_LAYOUT_QUAD = CH_LAYOUT_STEREO \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,
CH_LAYOUT_2POINT0POINT2 = CH_LAYOUT_STEREO \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,
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,
CH_LAYOUT_AMB_ORDER1_FUMA = AMB_MODE \| AMB_ORD_1 \| AMB_COM_FUMA,
CH_LAYOUT_4POINT1 = CH_LAYOUT_4POINT0 \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_5POINT0 = CH_LAYOUT_SURROUND \| CH_SET_SIDE_LEFT \| CH_SET_SIDE_RIGHT,
CH_LAYOUT_5POINT0_BACK = CH_LAYOUT_SURROUND \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,
CH_LAYOUT_2POINT1POINT2 = CH_LAYOUT_2POINT0POINT2 \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_3POINT0POINT2 = CH_LAYOUT_2POINT0POINT2 \| CH_SET_FRONT_CENTER,
CH_LAYOUT_5POINT1 = CH_LAYOUT_5POINT0 \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_5POINT1_BACK = CH_LAYOUT_5POINT0_BACK \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_6POINT0 = CH_LAYOUT_5POINT0 \| CH_SET_BACK_CENTER,
CH_LAYOUT_3POINT1POINT2 = CH_LAYOUT_3POINT1 \| CH_SET_TOP_FRONT_LEFT \| CH_SET_TOP_FRONT_RIGHT,
CH_LAYOUT_6POINT0_FRONT = CH_LAYOUT_QUAD_SIDE \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,
CH_LAYOUT_HEXAGONAL = CH_LAYOUT_5POINT0_BACK \| CH_SET_BACK_CENTER,
CH_LAYOUT_6POINT1 = CH_LAYOUT_5POINT1 \| CH_SET_BACK_CENTER,
CH_LAYOUT_6POINT1_BACK = CH_LAYOUT_5POINT1_BACK \| CH_SET_BACK_CENTER,
CH_LAYOUT_6POINT1_FRONT = CH_LAYOUT_6POINT0_FRONT \| CH_SET_LOW_FREQUENCY,
CH_LAYOUT_7POINT0 = CH_LAYOUT_5POINT0 \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,
CH_LAYOUT_7POINT0_FRONT = CH_LAYOUT_5POINT0 \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,
CH_LAYOUT_7POINT1 = CH_LAYOUT_5POINT1 \| CH_SET_BACK_LEFT \| CH_SET_BACK_RIGHT,
CH_LAYOUT_OCTAGONAL = CH_LAYOUT_5POINT0 \| CH_SET_BACK_LEFT \| CH_SET_BACK_CENTER \| CH_SET_BACK_RIGHT,
CH_LAYOUT_5POINT1POINT2 = CH_LAYOUT_5POINT1 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,
CH_LAYOUT_7POINT1_WIDE = CH_LAYOUT_5POINT1 \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,
CH_LAYOUT_7POINT1_WIDE_BACK = CH_LAYOUT_5POINT1_BACK \| CH_SET_FRONT_LEFT_OF_CENTER \| CH_SET_FRONT_RIGHT_OF_CENTER,
CH_LAYOUT_AMB_ORDER2_ACN_N3D = AMB_MODE \| AMB_ORD_2 \| AMB_COM_ACN \| AMB_NOR_N3D,
CH_LAYOUT_AMB_ORDER2_ACN_SN3D = AMB_MODE \| AMB_ORD_2 \| AMB_COM_ACN \| AMB_NOR_SN3D,
CH_LAYOUT_AMB_ORDER2_FUMA = AMB_MODE \| AMB_ORD_2 \| AMB_COM_FUMA,
CH_LAYOUT_5POINT1POINT4,
CH_LAYOUT_7POINT1POINT2 = CH_LAYOUT_7POINT1 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,
CH_LAYOUT_7POINT1POINT4,
CH_LAYOUT_10POINT2,
CH_LAYOUT_9POINT1POINT4 = CH_LAYOUT_7POINT1POINT4 \| CH_SET_WIDE_LEFT \| CH_SET_WIDE_RIGHT,
CH_LAYOUT_9POINT1POINT6 = CH_LAYOUT_9POINT1POINT4 \| CH_SET_TOP_SIDE_LEFT \| CH_SET_TOP_SIDE_RIGHT,
CH_LAYOUT_HEXADECAGONAL,
CH_LAYOUT_AMB_ORDER3_ACN_N3D = AMB_MODE \| AMB_ORD_3 \| AMB_COM_ACN \| AMB_NOR_N3D,
CH_LAYOUT_AMB_ORDER3_ACN_SN3D = AMB_MODE \| AMB_ORD_3 \| AMB_COM_ACN \| AMB_NOR_SN3D,
CH_LAYOUT_AMB_ORDER3_FUMA = AMB_MODE \| AMB_ORD_3 \| AMB_COM_FUMA,
CH_LAYOUT_22POINT2
} | 音频声道布局。 |