OggUVS is an uncompressed video

Video

Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...

 codec

Codec

A codec is a device or computer program capable of encoding or decoding a digital data stream or signal. The word codec is a portmanteau of "compressor-decompressor" or, more commonly, "coder-decoder"...

 for Ogg

Ogg

Ogg is a free, open container format maintained by the Xiph.Org Foundation. The creators of the Ogg format state that it is unrestricted by software patents and is designed to provide for efficient streaming and manipulation of high quality digital multimedia.The Ogg container format can multiplex...

, developed by Xiph.Org. Currently, it's still a working draft, but it's intended to be a simple way to store and transfer uncompressed video within an Ogg container

Container format

A container or wrapper format is a meta-file format whose specification describes how different data elements and metadata coexist in a computer file....

. It is similar to projects like OggYUV and OggRGB, and is intended to support both formats.

This format is intended to be used as an interchange format. It is also useful for storing time-synced decoded audio/video, as opposed to using RIFF/WAV

WAV

Waveform Audio File Format , is a Microsoft and IBM audio file format standard for storing an audio bitstream on PCs...

 and YUV4MPEG in separate files. It is intended to be less complex to use than RIFF/AVI

Audio Video Interleave

Audio Video Interleave , known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback...

.