1# native_audiostream_base.h 2 3 4## 概述 5 6声明OHAudio基础的数据结构。 7 8**系统能力：** SystemCapability.Multimedia.Audio.Core 9 10**起始版本：** 10 11 12**相关模块：**[OHAudio](_o_h_audio.md) 13 14 15## 汇总 16 17 18### 结构体 19 20| 名称 | 描述 | 21| -------- | -------- | 22| 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。 | 23| 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。 | 24 25 26### 类型定义 27 28| 名称 | 描述 | 29|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -------- | 30| typedef struct OH_AudioStreamBuilderStruct [OH_AudioStreamBuilder](_o_h_audio.md#oh_audiostreambuilder) | 声明音频流的构造器。 | 31| typedef struct OH_AudioRendererStruct [OH_AudioRenderer](_o_h_audio.md#oh_audiorenderer) | 声明输出音频流。 | 32| typedef struct OH_AudioCapturerStruct [OH_AudioCapturer](_o_h_audio.md#oh_audiocapturer) | 声明输入音频流。 | 33| 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。 | 34| 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。 | 35 36 37### 枚举 38 39| 名称 | 描述 | 40| -------- | -------- | 41| [OH_AudioStream_Result](_o_h_audio.md#oh_audiostream_result) {<br/>AUDIOSTREAM_SUCCESS = 0,<br/>AUDIOSTREAM_ERROR_INVALID_PARAM = 1,<br/>AUDIOSTREAM_ERROR_ILLEGAL_STATE = 2,<br/>AUDIOSTREAM_ERROR_SYSTEM = 3<br/>} | 音频错误码。 | 42| [OH_AudioStream_Type](_o_h_audio.md#oh_audiostream_type) {<br/>AUDIOSTREAM_TYPE_RERNDERER = 1,<br/>AUDIOSTREAM_TYPE_CAPTURER = 2<br/>} | 音频流类型。 | 43| [OH_AudioStream_SampleFormat](_o_h_audio.md#oh_audiostream_sampleformat) {<br/>AUDIOSTREAM_SAMPLE_U8 = 0,<br/>AUDIOSTREAM_SAMPLE_S16LE = 1,<br/>AUDIOSTREAM_SAMPLE_S24LE = 2,<br/>AUDIOSTREAM_SAMPLE_S32LE = 3<br/>} | 定义音频流采样格式。 | 44| [OH_AudioStream_EncodingType](_o_h_audio.md#oh_audiostream_encodingtype) {<br/>AUDIOSTREAM_ENCODING_TYPE_RAW = 0<br/>} | 定义音频流编码类型。 | 45| [OH_AudioStream_Usage](_o_h_audio.md#oh_audiostream_usage) {<br/>AUDIOSTREAM_USAGE_UNKNOWN = 0,<br/>AUDIOSTREAM_USAGE_MUSIC = 1,<br/>AUDIOSTREAM_USAGE_COMMUNICATION = 2,<br/>AUDIOSTREAM_USAGE_VOICE_ASSISTANT = 3,<br/>AUDIOSTREAM_USAGE_ALARM = 4,<br/>AUDIOSTREAM_USAGE_VOICE_MESSAGE = 5,<br/>AUDIOSTREAM_USAGE_RINGTONE = 6,<br/>AUDIOSTREAM_USAGE_NOTIFICATION = 7,<br/>AUDIOSTREAM_USAGE_ACCESSIBILITY = 8,<br/>AUDIOSTREAM_USAGE_MOVIE = 10,<br/>AUDIOSTREAM_USAGE_GAME = 11,<br/>AUDIOSTREAM_USAGE_AUDIOBOOK = 12,<br/>AUDIOSTREAM_USAGE_NAVIGATION = 13<br/>} | 定义音频流使用场景。 | 46| [OH_AudioStream_LatencyMode](_o_h_audio.md#oh_audiostream_latencymode) {<br/>AUDIOSTREAM_LATENCY_MODE_NORMAL = 0,<br/>AUDIOSTREAM_LATENCY_MODE_FAST = 1<br/>} | 定义音频时延模式。 | 47| [OH_AudioStream_State](_o_h_audio.md#oh_audiostream_state) {<br/>AUDIOSTREAM_STATE_INVALID = -1,<br/>AUDIOSTREAM_STATE_NEW = 0,<br/>AUDIOSTREAM_STATE_PREPARED = 1,<br/>AUDIOSTREAM_STATE_RUNNING = 2,<br/>AUDIOSTREAM_STATE_STOPPED = 3,<br/>AUDIOSTREAM_STATE_RELEASED = 4,<br/>AUDIOSTREAM_STATE_PAUSED = 5<br/>} | 定义音频流的状态。 | 48| [OH_AudioStream_SourceType](_o_h_audio.md#oh_audiostream_sourcetype) {<br/>AUDIOSTREAM_SOURCE_TYPE_INVALID = -1,<br/>AUDIOSTREAM_SOURCE_TYPE_MIC = 0,<br/>AUDIOSTREAM_SOURCE_TYPE_VOICE_RECOGNITION = 1,<br/>AUDIOSTREAM_SOURCE_TYPE_PLAYBACK_CAPTURE = 2,<br/>AUDIOSTREAM_SOURCE_TYPE_VOICE_COMMUNICATION = 7<br/>} | 定义音频流使用场景。 | 49| [OH_AudioStream_Event](_o_h_audio.md#oh_audiostream_event) {<br/>AUDIOSTREAM_EVENT_ROUTING_CHANGED = 0<br/>} | 定义音频事件。 | 50| [OH_AudioInterrupt_ForceType](_o_h_audio.md#oh_audiointerrupt_forcetype) {<br/>AUDIOSTREAM_INTERRUPT_FORCE = 0,<br/>AUDIOSTREAM_INTERRUPT_SHAR = 1<br/>} | 定义音频中断类型。 | 51| [OH_AudioInterrupt_Hint](_o_h_audio.md#oh_audiointerrupt_hint) {<br/>AUDIOSTREAM_INTERRUPT_HINT_NONE = 0,<br/>AUDIOSTREAM_INTERRUPT_HINT_RESUME = 1,<br/>AUDIOSTREAM_INTERRUPT_HINT_PAUSE = 2,<br/>AUDIOSTREAM_INTERRUPT_HINT_STOP = 3,<br/>AUDIOSTREAM_INTERRUPT_HINT_DUCK = 4,<br/>AUDIOSTREAM_INTERRUPT_HINT_UNDUCK = 5<br/>} | 定义音频中断类型。 | 52