# native_audiostream_base.h
## 概述
声明OHAudio基础的数据结构。
**系统能力：** SystemCapability.Multimedia.Audio.Core
**起始版本：** 10
**相关模块：**[OHAudio](_o_h_audio.md)
## 汇总
### 结构体
| 名称 | 描述 |
| -------- | -------- |
| struct [OH_AudioRenderer_Callbacks_Struct](_o_h___audio_renderer___callbacks___struct.md) | 声明输出音频流的回调函数指针。 |
| struct [OH_AudioCapturer_Callbacks_Struct](_o_h___audio_capturer___callbacks___struct.md) | 声明输入音频流的回调函数指针。 |
### 类型定义
| 名称 | 描述 |
| -------- | -------- |
| typedef struct OH_AudioStreamBuilderStruct [OH_AudioStreamBuilder](_o_h_audio.md#oh_audiostreambuilder) | 声明音频流的构造器。 |
| typedef struct OH_AudioRendererStruct [OH_AudioRenderer](_o_h_audio.md#oh_audiorenderer) | 声明输出音频流。 |
| typedef struct OH_AudioCapturerStruct [OH_AudioCapturer](_o_h_audio.md#oh_audiocapturer) | 声明输入音频流。 |
| typedef struct [OH_AudioRenderer_Callbacks_Struct](_o_h___audio_renderer___callbacks___struct.md)[OH_AudioRenderer_Callbacks](_o_h_audio.md#oh_audiorenderer_callbacks) | 声明输出音频流的回调函数指针。 |
| typedef struct [OH_AudioCapturer_Callbacks_Struct](_o_h___audio_capturer___callbacks___struct.md)[OH_AudioCapturer_Callbacks](_o_h_audio.md#oh_audiocapturer_callbacks) | 声明输入音频流的回调函数指针。 |
### 枚举
| 名称 | 描述 |
| -------- | -------- |
| [OH_AudioStream_Result](_o_h_audio.md#oh_audiostream_result) {
AUDIOSTREAM_SUCCESS = 0,
AUDIOSTREAM_ERROR_INVALID_PARAM = 1,
AUDIOSTREAM_ERROR_ILLEGAL_STATE = 2,
AUDIOSTREAM_ERROR_SYSTEM = 3
} | 音频错误码。 |
| [OH_AudioStream_Type](_o_h_audio.md#oh_audiostream_type) {
AUDIOSTREAM_TYPE_RERNDERER = 1,
AUDIOSTREAM_TYPE_CAPTURER = 2
} | 音频流类型。 |
| [OH_AudioStream_SampleFormat](_o_h_audio.md#oh_audiostream_sampleformat) {
AUDIOSTREAM_SAMPLE_U8 = 0,
AUDIOSTREAM_SAMPLE_S16LE = 1,
AUDIOSTREAM_SAMPLE_S24LE = 2,
AUDIOSTREAM_SAMPLE_S32LE = 3
} | 定义音频流采样格式。 |
| [OH_AudioStream_EncodingType](_o_h_audio.md#oh_audiostream_encodingtype) {
AUDIOSTREAM_ENCODING_TYPE_RAW = 0
} | 定义音频流编码类型。 |
| [OH_AudioStream_Usage](_o_h_audio.md#oh_audiostream_usage) {
AUDIOSTREAM_USAGE_UNKNOWN = 0,
AUDIOSTREAM_USAGE_MUSIC = 1,
AUDIOSTREAM_USAGE_COMMUNICATION = 2,
AUDIOSTREAM_USAGE_VOICE_ASSISTANT = 3,
AUDIOSTREAM_USAGE_ALARM = 4,
AUDIOSTREAM_USAGE_VOICE_MESSAGE = 5,
AUDIOSTREAM_USAGE_RINGTONE = 6,
AUDIOSTREAM_USAGE_NOTIFICATION = 7,
AUDIOSTREAM_USAGE_ACCESSIBILITY = 8,
AUDIOSTREAM_USAGE_MOVIE = 10,
AUDIOSTREAM_USAGE_GAME = 11,
AUDIOSTREAM_USAGE_AUDIOBOOK = 12,
AUDIOSTREAM_USAGE_NAVIGATION = 13
} | 定义音频流使用场景。 |
| [OH_AudioStream_LatencyMode](_o_h_audio.md#oh_audiostream_latencymode) {
AUDIOSTREAM_LATENCY_MODE_NORMAL = 0,
AUDIOSTREAM_LATENCY_MODE_FAST = 1
} | 定义音频时延模式。 |
| [OH_AudioStream_State](_o_h_audio.md#oh_audiostream_state) {
AUDIOSTREAM_STATE_INVALID = -1,
AUDIOSTREAM_STATE_NEW = 0,
AUDIOSTREAM_STATE_PREPARED = 1,
AUDIOSTREAM_STATE_RUNNING = 2,
AUDIOSTREAM_STATE_STOPPED = 3,
AUDIOSTREAM_STATE_RELEASED = 4,
AUDIOSTREAM_STATE_PAUSED = 5
} | 定义音频流的状态。 |
| [OH_AudioStream_SourceType](_o_h_audio.md#oh_audiostream_sourcetype) {
AUDIOSTREAM_SOURCE_TYPE_INVALID = -1,
AUDIOSTREAM_SOURCE_TYPE_MIC = 0,
AUDIOSTREAM_SOURCE_TYPE_VOICE_RECOGNITION = 1,
AUDIOSTREAM_SOURCE_TYPE_PLAYBACK_CAPTURE = 2,
AUDIOSTREAM_SOURCE_TYPE_VOICE_COMMUNICATION = 7
} | 定义音频流使用场景。 |
| [OH_AudioStream_Event](_o_h_audio.md#oh_audiostream_event) {
AUDIOSTREAM_EVENT_ROUTING_CHANGED = 0
} | 定义音频事件。 |
| [OH_AudioInterrupt_ForceType](_o_h_audio.md#oh_audiointerrupt_forcetype) {
AUDIOSTREAM_INTERRUPT_FORCE = 0,
AUDIOSTREAM_INTERRUPT_SHAR = 1
} | 定义音频中断类型。 |
| [OH_AudioInterrupt_Hint](_o_h_audio.md#oh_audiointerrupt_hint) {
AUDIOSTREAM_INTERRUPT_HINT_NONE = 0,
AUDIOSTREAM_INTERRUPT_HINT_RESUME = 1,
AUDIOSTREAM_INTERRUPT_HINT_PAUSE = 2,
AUDIOSTREAM_INTERRUPT_HINT_STOP = 3,
AUDIOSTREAM_INTERRUPT_HINT_DUCK = 4,
AUDIOSTREAM_INTERRUPT_HINT_UNDUCK = 5
} | 定义音频中断类型。 |