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# pw-metadata
> 监控、设置和删除 PipeWire 对象的元数据。
> 另见:`pipewire`、`pw-mon`、`pw-cli`。
> 更多信息:<https://docs.pipewire.org/page_man_pw-metadata_1.html>。
- 显示 `default` 名称的元数据:
`pw-metadata`
- 显示 ID 为 0 的 `settings` 中的元数据:
`pw-metadata {{-n|--name}} {{settings}} {{0}}`
- 列出所有可用的元数据对象:
`pw-metadata {{-l|--list}}`
- 持续运行并记录元数据的更改:
`pw-metadata {{-m|--monitor}}`
- 删除所有元数据:
`pw-metadata {{-d|--delete}}`
-`settings` 中将 `log.level` 设置为 1
`pw-metadata --name {{settings}} {{0}} {{log.level}} {{1}}`
- 显示帮助:
`pw-metadata --help`