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After weeks of development and testing, I am thrilled to announce that the unofficial packaging work of the GTK+ UVC Viewer(a.k.a. Guvcview) has finally done.
Guveview is a USB Video Class(UVC) compatible camera viewer developed by Paulo Assis, aside from fundamental webcam application features like capturing a photo or video Guvcview also supports UVC Dynamic controls of Logitech products.
Unfortunately, the Guvcview distribution provided by the Ubuntu archive is often buggy and crashes a lot, which is the main motivation of the packaging (to allow users to install upstream released recent software). Currently, we provide the current latest released version(2.0.5) and development revision(2.0.5-8-g9248669) via stable and beta channels and provide Intel x86/AMD64/armhf and ARM64 architecture builds for general desktop and embedded system users.
Although there is no progress as of now, we are working with the upstream to transfer the packaging work to them, this allows the greatest extent of possibility that the users of the feature-freezed GNU+Linux distribution can access the latest release of the upstream software.
# Install the snap package #
sudo snap install guvcview
# Connect the snap to optional security confinement interfaces #
## Required to enable the H264 Controls tab for cameras supporting H.264 hardware encoding ##
sudo snap connect guvcview:hardware-observe
## If you want to save captured media to `/media` or `/mnt` ##
sudo snap connect guvcview:removable-media
- Packaging recipe source code
https://github.com/Lin-Buo-Ren/guvcview-snap - Upstream project
https://sourceforge.net/projects/guvcview
Please refer our project's issue tracker
https://github.com/Lin-Buo-Ren/guvcview-snap/issues
or create a new topic under snap category in the Snapcraft Forums
https://forum.snapcraft.io
https://forum.snapcraft.io/t/join-snapcrafters/1325
經過數週的開發與測試，我很高興地宣佈GTK+ UVC Viewer（即 Guvcview）的非官方Snap軟體包的打包工作已經告一段落。
Guvcview為一套由Paulo Assis所開發的USB影像類別(USB Video Class(UVC))相容攝影機的觀看軟體，除支援各種相容Webcam的拍照、錄影等基本功能外還是少數支援Logitech產品UVC動態控制項(UVC Dynamic controls)的應用軟體。
不過Ubuntu軟體庫提供的Guvcview常常會有一些會造成程式崩潰的軟體缺陷（汗），這是這次打包的主要動機之一（更容易安裝上游釋出的較新版本軟體）。目前我們在 stable 與 beta 頻道上提供了目前上游最新釋出版本(2.0.5)與最新開發中版本(2.0.5-8-g9248669)兩種選擇，並且提供了 Intel x86/AMD64/armhf 與 ARM64 處理器架構的建構版本，供一般桌面使用者與嵌入式系統產品使用者使用。
雖然目前尚無進展，但是我們正在嘗試將打包成果轉移給上游，這樣就可以最大程度確保功能凍結GNU+Linux系統散佈版的使用者隨時都能夠存取最新版本的上游軟體。
# 安裝 Snap 軟體包 #
sudo snap install guvcview
# 將 Snap 軟體連接到選用的權限限縮界面 #
## 如果要啟用支援 H.264 硬體編碼的相機需要用到的「H264控制項」界面 ##
sudo snap connect guvcview:hardware-observe
## 如果要保存拍攝的媒體至 `/media` 或 `/mnt` ##
sudo snap connect guvcview:removable-media
請參閱本專案的議題追蹤系統
https://github.com/Lin-Buo-Ren/guvcview-snap/issues
或是到 Snapcraft 論壇的 snap 主題類別中建檔新主題
https://forum.snapcraft.io