Internet Video Coding
Internet Video Coding (ISO/IEC 14496-33, MPEG-4 IVC) is a
According to a blog post by MPEG founder and chairman
The ITU-T/ITU-R/ISO/IEC patent policy defines three types of patent licensing. The goal for IVC was to only use techniques patented under type 1 (royalty-free), while the three companies said they may have patents under type 2 (possibly requiring royalty payments). The text of the code of practice is as follows:
2.1 The patent holder is willing to negotiate licences free of charge with other parties on a non-discriminatory basis on reasonable terms and conditions. Such negotiations are left to the parties concerned and are performed outside ITU-T/ITU-R/ISO/IEC.
2.2 The patent holder is willing to negotiate licences with other parties on a non-discriminatory basis on reasonable terms and conditions. Such negotiations are left to the parties concerned and are performed outside ITU-T/ITU-R/ISO/IEC.
2.3 The patent holder is not willing to comply with the provisions of either paragraph 2.1 or paragraph 2.2; in such case, the Recommendation | Deliverable shall not include provisions depending on the patent.[2]
History
MPEG issued a Call for Proposals in July 2011 for royalty-free video coding formats. Three proposals were received:
- Web Video Coding (WVC), proposed jointly by Apple, Cisco, Fraunhofer HHI, Magnum Semiconductors, Polycom, RIM, etc.. Web Video Coding was another name for the Constrained MPEG-4 AVC baseline profile.[3]
- Video Coding for Browsers (VCB), proposed by Google and identical to Google's VP8.[3]
- Internet Video Coding (IVC), proposed by several universities (Peking University, Tsinghua University, Zhejiang University, Hanyang University, Korea Aerospace University, etc.), and developed from scratch.[3]
Web Video Coding did not have a guarantee from all patent holders that the patents covering Web Video Coding would be licensed royalty-free.[3]
IVC's compression performance was reported to be better than that of WVC and VCB, and IVC was approved as ISO/IEC 14496–33 in June 2015.[3]
See also
- IETFthat had similar goals to IVC
- AOMedia Video 1 (AV1) from the Alliance for Open Media
References
- ^ Leonardo Chiariglione (January 28, 2018). "A crisis, the causes and a solution".
- ^ "IEC - Members & experts > Info: Patents > IEC Patent Declarations > Common patent policy for ITU-T / ITU-R / ISO / IEC". www.iec.ch.
- ^ S2CID 3703279.