Video tools === ###### tags: `OS / Ubuntu` ###### tags: `OS`, `Ubuntu`, `linux`, `video`, `app`, `tool`, `download`, `google`, `firefox`, `DownloadHelper`, `dwhelper` <br> [TOC] <br> ## [Linux上的螢幕錄影工具-Kazam](https://magiclen.org/kazam/) - ### 原始碼 https://launchpad.net/kazam - ### 安裝 ```bash sudo apt-get install kazam ``` - ### 探索功能 - #### 螢幕錄影  - #### 螢幕截圖  - #### 偏好設定(File / Preferences) #### 一般設定: - 喇叭輸出選擇 - Monitor of Built-in Audio Digital Stereo ... (錄下來沒聲音) - [[SOLVED] Can't record sound with Kazam screen recorder](https://forums.linuxmint.com/viewtopic.php?t=327747&sid=bbbad23bb4e9345cb4c2e5c86929db25) - Monitor of Built-in Audio Analog Stereo ... - 麥克風輸入選擇  <br> #### 錄影設定: - 預設 15 幀,建議 30 幀以上 - 使用 webm,會導致聲音斷斷續續,使用 mp4 則無此問題  <br> 截圖設定  - #### 快捷鍵 - 開始錄影 (Recording):Super+Ctrl+R - 暫停、恢復錄影 (Pause):Super+Ctrl+P - 完成錄影 (Finish):Super+Ctrl+F - 結束 Kazam (Quit):Super+Ctrl+Q - ### 影片測試 [GTC 2020 主題演說](https://www.nvidia.com/zh-tw/gtc/keynote/) <br> ## Google 瀏覽器外掛 - 影片下載工具 - [Stream Recorder - download HLS as MP4](https://chrome.google.com/webstore/detail/stream-recorder-download/iogidnfllpdhagebkblkgbfijkbkjdmm/related)  - 這用起來,好像是以「當前螢幕解析度」錄製 <br> ## Firefox 瀏覽器外掛 - 影片下載工具 - [Video DownloadHelper](https://addons.mozilla.org/zh-TW/firefox/addon/video-downloadhelper/)  - 下載影片時,還會需要另外一套軟體,會要你安裝  - 名稱:Video DownloadHelper companion app - 原始碼:https://github.com/mi-g/vdhcoapp <br> ## ffmpeg > [[HackMD][電腦] 電腦工具 / ffmpeg](/msfcXPVaQXCtkIBiWJs6Vw)
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