1e41f4b71Sopenharmony_ci# AVSession Kit（音视频播控服务）
2e41f4b71Sopenharmony_ci
3e41f4b71Sopenharmony_ci- ArkTS API
4e41f4b71Sopenharmony_ci  - [@ohos.multimedia.avsession (媒体会话管理)](js-apis-avsession.md)
5e41f4b71Sopenharmony_ci  - [@ohos.multimedia.avCastPickerParam (投播组件参数)](js-apis-avCastPickerParam.md)
6e41f4b71Sopenharmony_ci  <!--Del-->
7e41f4b71Sopenharmony_ci  - [@ohos.app.ability.MediaControlExtensionAbility (播控扩展能力)(系统接口)](js-apis-app-ability-MediaControlExtensionAbility-sys.md)
8e41f4b71Sopenharmony_ci  - [@ohos.multimedia.avsession (媒体会话管理)(系统接口)](js-apis-avsession-sys.md)
9e41f4b71Sopenharmony_ci  - application
10e41f4b71Sopenharmony_ci    - [MediaControlExtensionContext (播控扩展能力上下文)(系统接口)](js-apis-inner-application-MediaControlExtensionContext-sys.md)
11e41f4b71Sopenharmony_ci  <!--DelEnd-->
12e41f4b71Sopenharmony_ci- ArkTS组件
13e41f4b71Sopenharmony_ci  - [@ohos.multimedia.avCastPicker (投播组件)](ohos-multimedia-avcastpicker.md)
14e41f4b71Sopenharmony_ci- C API
15e41f4b71Sopenharmony_ci  - 模块
16e41f4b71Sopenharmony_ci    - [OHAVSession](_o_h_a_v_session.md)
17e41f4b71Sopenharmony_ci  - 头文件
18e41f4b71Sopenharmony_ci    - [native_avmetadata.h](native__avmetadata_8h.md)
19e41f4b71Sopenharmony_ci    - [native_avsession.h](native__avsession_8h.md)
20e41f4b71Sopenharmony_ci    - [native_avsession_errors.h](native__avsession__errors_8h.md)
21e41f4b71Sopenharmony_ci  - 结构体
22e41f4b71Sopenharmony_ci    - [AVSession_PlaybackPosition](_a_v_session___playback_position.md)
23e41f4b71Sopenharmony_ci- 错误码
24e41f4b71Sopenharmony_ci  - [媒体会话管理错误码](errorcode-avsession.md)
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