# HiStreamer<a name="EN-US_TOPIC_0000001148809513"></a>

- [HiStreamer<a name="EN-US_TOPIC_0000001148809513"></a>](#histreamer)
  - [Introduction<a name="section1158716411637"></a>](#introduction)
  - [Directory Structure<a name="section161941989596"></a>](#directory-structure)
  - [Repositories Involved<a name="section1533973044317"></a>](#repositories-involved)

## Introduction<a name="section1158716411637"></a>

HiStreamer is the foundation module of the multimedia subsystem. It provides a processing pipeline and plug-ins required by the media framework, such as the file source, codecs, muxer and demuxer, and audio and video data processor.

## Directory Structure<a name="section161941989596"></a>

The structure of the repository directory is as follows:

```
/foundation/multimedia/histreamer
├── LICENSE                             # License file
└── ohos.build                          # Build file
```

## Repositories Involved<a name="section1533973044317"></a>

multimedia\_histreamer