audio_manager.h
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int32_t (*GetAllAdapters)(struct AudioManager *manager, struct AudioAdapterDescriptor **descs, int32_t *size);
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获取音频驱动中支持的所有适配器的列表
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int32_t (*LoadAdapter)(struct AudioManager *manager, const struct AudioAdapterDescriptor *desc, struct AudioAdapter **adapter);
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加载一个音频适配器（声卡）的驱动
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void (*UnloadAdapter)(struct AudioManager *manager, struct AudioAdapter *adapter);
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卸载一个音频适配器（声卡）的驱动
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audio_adapter.h
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int32_t (*InitAllPorts)(struct AudioAdapter *adapter);
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初始化一个音频适配器所有的端口驱动
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int32_t (*CreateRender)(struct AudioAdapter *adapter, const struct AudioDeviceDescriptor *desc, const struct AudioSampleAttributes *attrs, struct AudioRender **render);
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创建一个音频播放（render）接口的对象
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int32_t (*DestroyRender)(struct AudioAdapter *adapter, struct AudioRender *render);
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销毁一个音频放音（render）接口的对象
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int32_t (*GetPortCapability)(struct AudioAdapter *adapter, const struct AudioPort *port, struct AudioPortCapability *capability);
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获取一个音频适配器的端口驱动的能力集
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int32_t (*SetPassthroughMode)(struct AudioAdapter *adapter, const struct AudioPort *port, enum AudioPortPassthroughMode mode);
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设置音频端口驱动的数据透传模式
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int32_t (*GetPassthroughMode)(struct AudioAdapter *adapter, const struct AudioPort *port, enum AudioPortPassthroughMode *mode);
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获取音频端口驱动的数据透传模式
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audio_render.h
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int32_t (*RenderFrame)(struct AudioRender *render, const void *frame, uint64_t requestBytes, uint64_t *replyBytes);
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往音频驱动中播放（render）一帧输出数据（放音，音频下行数据）
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int32_t (*GetRenderPosition)(struct AudioRender *render, uint64_t *frames, struct AudioTimeStamp *time);
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获取音频输出帧数的上一次计数
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int32_t (*SetRenderSpeed)(struct AudioRender *render, float speed);
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设置音频的播放速度
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int32_t (*GetRenderSpeed)(struct AudioRender *render, float *speed);
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获取音频当前的播放速度
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int32_t (*SetChannelMode)(struct AudioRender *render, enum AudioChannelMode mode);
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设置音频播放的通道模式
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int32_t (*GetChannelMode)(struct AudioRender *render, enum AudioChannelMode *mode);
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获取音频播放当前的通道模式
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