This project aims at providing a simple interface for capturing and viewing video from v4l2 devices, with a special emphasis for the linux uvc driver. The project provides a control interface based on Gtk3 or Qt5, depending on the build configuration. A console only option is also available. You can also use guvcview has a control window only, (from console: guvcview –control_only), this allows image control on other apps, like ekiga, cheese, mplayer, skype, … Audio. Guvcview audio support can be selected from two APIs: portaudio or pulseaudio (if availbale) All interfaces (ALSA, OSD, JACK, …) supported by portaudio should be available in guvcview. Just make sure portaudio was compiled with the desired interfaces enabled.
a trade-free webcam app, because it doesn’t want anything from the user. I don’t have to trade my data, attention, currency etc. to use it.