# 使用 Homebrew, MacPorts, zypper 安装 dirac

查看 dirac 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

## 安装

```sh
sudo av install brew:dirac
```

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install dirac
```

  证据: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install dirac
```

  证据: MacPorts ports tree: multimedia/dirac/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- zypper (92%):

```sh
sudo zypper install dirac
```

  证据: openSUSE Tumbleweed package metadata: dirac from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

## 软件包事实

- **软件包键:** brew:dirac
- **软件包管理器:** Homebrew
- **版本:** 1.0.2
- **来源摘要:** General-purpose video codec aimed at a range of resolutions
- **主页:** <https://sourceforge.net/projects/dirac/>
- **最后更新:** 2026-08-02T15:56:45+09:00
- **已生成:** 2026-08-03T19:37:03+00:00

## 可执行文件

- BMPtoRGB (别名)
- RGBtoBMP (别名)
- RGBtoUYVY (别名)
- RGBtoYUV411 (别名)
- RGBtoYUV420 (别名)
- RGBtoYUV422 (别名)
- RGBtoYUV444 (别名)
- UYVYtoRGB (别名)
- UYVYtoYUV422 (别名)
- YUV411toRGB (别名)
- YUV420Down2x2 (别名)
- YUV420ItoYUV422I (别名)
- YUV420pt75filter (别名)
- YUV420toRGB (别名)
- YUV420toYUV422 (别名)
- YUV422ItoYUV420I (别名)
- YUV422toRGB (别名)
- YUV422toUYVY (别名)
- YUV422toYUV420 (别名)
- YUV444toRGB (别名)
- create_dirac_testfile.pl (别名)
- dirac_decoder (别名)
- dirac_encoder (别名)
- dirac_instrumentation (别名)

## 安装行为

- Bottle: 不可用

## 版本和新鲜度

- 页面生成时间: 2026-08-03
- 管理器版本: 1.0.2
## 项目历史与用法

Dirac is a general-purpose video codec project hosted on SourceForge. The official project page describes it as a codec for resolutions from QCIF to HDTV, progressive or interlaced, using wavelets, motion compensation, and arithmetic coding.

### 项目历史

The SourceForge project was registered in February 2004 and organized its downloads around the Dirac codec, DirectShow filter builds, ffmpeg2dirac sources and binaries, old integration patches, and sample video. Its licenses are listed as MPL 1.1, GPLv2, and LGPLv2, matching the multi-license style of codec libraries and tools from that period.

### 采用历史

Dirac's adoption footprint is clearest in its SourceForge file tree and historical integration patches for projects such as FFmpeg, MPlayer, and transcode. Those artifacts show how codec projects of the 2000s often spread through patches, filters, command-line encoders and decoders, and downstream multimedia packages before settling into older repository maintenance.

### 使用方式

The Homebrew formula exposes many conversion helpers plus `dirac_encoder`, `dirac_decoder`, and `dirac_instrumentation`. In package-manager terms, Dirac is used as a codec library and toolset rather than as an application with user-level configuration.

### 为什么软件包爱好者会关心

Dirac matters historically as an open video-codec package from the SourceForge era, with a visible trail of codec sources, DirectShow components, FFmpeg and MPlayer patches, and format-conversion utilities. It is the kind of multimedia package that persists in package managers because older media workflows and build dependencies may still expect it.

### 时间线

- 2004: SourceForge project registered.
- 2009: SourceForge files list dated Dirac codec and DirectShow filter folders.
- 2011: ffmpeg2dirac Windows binary appears in the SourceForge download list.
- 2015: SourceForge activity feed records old integration patch file releases.
- 2017: SourceForge activity feed shows later bug reports against the project.

### Related projects

- Official SourceForge file listings include ffmpeg2dirac, a Dirac DirectShow filter, old FFmpeg and MPlayer patches, transcode patches, and sample video assets.

### 来源

- <https://sourceforge.net/projects/dirac/>
- <https://sourceforge.net/projects/dirac/files/>
- <https://sourceforge.net/p/dirac/activity/feed>


## 安全说明

broad file, network, media, or database tool signal.

- **Geiger 风险:** blue / 中
- broad file, network, media, or database tool signal

## 其他软件包管理器记录

- zypper - dirac - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: dirac from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | The Dirac_Video Codec | https://sourceforge.net/projects/dirac/
- zypper - dirac-devel - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: dirac-devel from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Development Files for Dirac Video Codec | https://sourceforge.net/projects/dirac/
- zypper - dirac-devel-32bit - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: dirac-devel-32bit from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Development Files for Dirac Video Codec | https://sourceforge.net/projects/dirac/
- zypper - libdirac_decoder0 - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: libdirac_decoder0 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Dirac Video Codec Decoder Library | https://sourceforge.net/projects/dirac/
- zypper - libdirac_decoder0-32bit - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: libdirac_decoder0-32bit from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Dirac Video Codec Decoder Library | https://sourceforge.net/projects/dirac/
- zypper - libdirac_encoder0 - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: libdirac_encoder0 from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Dirac Video Codec Encoder Library | https://sourceforge.net/projects/dirac/
- zypper - libdirac_encoder0-32bit - 1.0.2-34.8: normalized package name match | openSUSE Tumbleweed package metadata: libdirac_encoder0-32bit from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | Dirac Video Codec Encoder Library | https://sourceforge.net/projects/dirac/
- MacPorts - dirac: normalized package name match | MacPorts ports tree: multimedia/dirac/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/dirac.yml](https://github.com/mxcl/pkgdb/blob/main/combined/dirac.yml)


## 来源

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph