1# AVMuxer 2 3## Overview 4 5The AVMuxer module provides the functions for audio and video multiplexing. 6 7For details about the development guide and sample, see [Media Data Multiplexing](../../media/avcodec/audio-video-muxer.md). 8 9**System capability**: SystemCapability.Multimedia.Media.Muxer 10 11**Since**: 10 12 13## Files 14 15| Name| Description| 16| -- | -- | 17| [native_avmuxer.h](capi-native-avmuxer-h.md) | Declares the native APIs used for audio and video multiplexing.| 18