Linphone is an audio and video Internet phone with GTK+ and console interfaces. It uses the SIP protocol, and is compatible with most SIP clients and gateways. It can use various audio and video codecs such as Speex, GSM, G711, G722, ilbc, amr, Theora, H263-1998, MPEG4, H264, VP8, and snow.
VideoDog is a command line tool to grab frames from a Video4linux-compliant device. It can export a file in raw, PNM, or JPG formats. It can also do loop capture using multiple buffers, or just be used to set/retrieve device data or scripts. It presents a programming interface for implementing image transformations and effects. There are some examples in the source code. No external libraries are required.
dvbackup encapsulates arbitrary files into a raw DV data stream suitable for writing on a DV tape. It uses all of the audio data and the space reserved for the AC coefficients of the video data. You also need dvconnect from the libdv project to transmit the data over firewire. The latest version of dvconnect is always included.
Gmerlin is a set of multimedia libraries which comes with several applications. Applications include a full featured media player with Gtk-2 GUI, an audio/video transcoder, a webcam application, and an ALSA mixer. The libraries provide many low-level functions like handling of uncompressed A/V streams or decoding a wide range of multimedia formats. All libraries were written with good reusability in mind, so you can easily write your own applications based on gmerlin libraries.
The Java Media Framework (JMF) is an API for incorporating audio, video, and other time-based media into Java applications and applets. It is an optional package that extends the multimedia capabilities on the Java2 platform. The Blackdown JMF is a Performace Pack which includes native code in order to provide faster processing and tighter integration with Linux than the all-Java version.
The SPCA50X USB Camera Linux Driver is a stand-alone kernel module which adds support for USB cameras based on the SPCA50x series of chips. Such cameras include the Intel PC Camera Pro and the Intel Create and Share, along with other cameras from Viewquest Technologies. The driver supports moving colour video from the Intel PC Camera Pro (SPCA505).