Video Core Next
Video Core Next is AMD's brand for its dedicated video encoding and decoding hardware core. It is a family of hardware accelerator designs for encoding and decoding video, and is built into AMD's graphics processing units (GPUs) since AMD Raven Ridge, released January 2018.
Background[]
Video Core Next is AMD's successor to both the Unified Video Decoder and Video Coding Engine designs,[1] which are hardware accelerators for video decoding and encoding, respectively. It can be used to decode, encode and transcode ("sync") video streams, for example, a DVD or Blu-ray Disc to a format appropriate to, for example, a smartphone. Unlike video encoding on a CPU or a general-purpose GPU, Video Core Next is a dedicated hardware core on the processor die. This application-specific integrated circuit (ASIC) allows for more power-efficient video processing.[2][3]
Support[]
Video Core Next supports: MPEG2 Decode, MPEG4 Decode, VC-1 Decode, H.264/MPEG-4 AVC Encode/Decode, HEVC Encode/Decode, and VP9 Decode.[4]
VCN 2.0 is implemented with Navi products and the Renoir APU. The feature set remains the same as VCN 1.0. VCN 3.0 is implemented with Navi 2 products.[5]
Implementation | H.262 (MPEG-2) | MPEG-4 | VC-1/ WMV 9 | H.264 (MPEG-4 AVC) | H.265 (HEVC) | VP9 | AV1 | JPEG | 4:4:4 (Chroma Subsampling) | |
---|---|---|---|---|---|---|---|---|---|---|
Decoding | Decoding | Decoding | Decoding / Encoding | Decoding / Encoding | Decoding | Decoding | Decoding | |||
VCN 1.0 | Raven, Picasso | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | |
VCN 2.0 | Navi (RDNA1) | |||||||||
VCN 2.2 | Renoir, Cezanne | Yes | Yes | |||||||
VCN 2.5 | Arcturus | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | |
VCN 2.6 | Aldebaran[6] | ? | ? | ? | ? | ? | ? | ? | ? | |
VCN 3.0 | Navi 2, Van Gogh (RDNA2)[7][8] | Yes | Yes | Yes | Yes | Yes (?K decoding) | Yes (?K decoding) | Yes | Yes | |
VCN 3.1 | Rembrandt (RDNA2)[9] | ? | ? | ? | ? | ? | ? | ? | ? |
See also[]
Hardware video hardware technologies[]
Nvidia[]
- GeForce 256's Motion Compensation
- High-Definition Video Processor
- Video Processing Engine
- Nvidia NVENC
- Nvidia NVDEC
AMD[]
Intel[]
Qualcomm
References[]
- ^ Larabel, Michael (17 November 2017). "Radeon VCN Encode Support Lands In Mesa 17.4 Git". Phoronix. Retrieved 20 November 2017.
- ^ "Intel's Second-Gen Core CPUs: The Sandy Bridge Review - Sandy Bridge's Secret Weapon: Quick Sync". Tom's Hardware. Retrieved 2011-08-30.
- ^ "The Sandy Bridge Review: Intel Core i7-2600K, i5-2500K and Core i3-2100 Tested". AnandTech. Retrieved 2014-04-05.
- ^ a b "X.Org: Radeon Feature Matrix – Video Core Next".
- ^ "AMD Lands VCN 3.0 Video Encode Support For Navi 2 / Sienna Cichlid - Phoronix". www.phoronix.com. Retrieved 2020-06-18.
- ^ "AMD Radeon "Aldebaran" GPU Support Published For Next-Gen CDNA". www.phoronix.com. Retrieved 2021-07-05.
- ^ "AMD Radeon Navi 2 / VCN 3.0 Supports AV1 Video Decoding - Phoronix". www.phoronix.com. Retrieved 2020-11-20.
- ^ "AMD's Van Gogh Chips to Have DDR5, Navi 2 Graphics". www.tomshardware.com. Retrieved 2021-08-15.
- ^ "AMD Radeon RX 6000 GPU specs spotted in MacOS beta code". hexus.net. Retrieved 2021-07-03.
- Video acceleration
- Advanced Micro Devices IP cores
- Video compression and decompression ASIC