The H.26x Combined Video Codec is a single codec that supports H.261, H.263, H.263v2, H.263v3 and H.264, or any combination of these codecs. By combining these codecs into one run-time module, engineers can save memory space and development time.
These features lead to a number of unique system advantages. By supporting all codecs in the endpoints, transcoding needs in video servers, video conferencing units and MCUs, videomail (video "voicemail") systems and similar equipment can be minimized or eliminated. If a mobile phone or other videophone has all these codecs, then they can connect to virtually any other video endpoint without needing a transcoding gateway and the delay that a transcoding gateway brings in.
The elemedia H.264 SDK is available as a binary module for use by system developers. It has been used in many systems, including Windows servers and workstations, and Linux servers and workstations. An H.264 .DLL is available off-the-shelf.