Monday, December 30th 2024
AMD "Navi 48" To Feature AV1 Hardware Encoders with B-Frame Support
The "Navi 48" silicon powering AMD's next-generation Radeon RX 9070 series could feature AV1 hardware-accelerated encoding with support for AV1 B-Frames. In video compression, a B-frame is an intermediate frame that lacks image information, but has motion-vector and other data from the previous and next image frames (or I-frames), which helps the decoder reconstruct the image component of the frame based on temporal frame data. This is compute-intensive, but greatly reduces file-size or bitrate of the stream, as almost every other frame lacks image information. Support for AV1 B-Frame hardware-accelerated encode was sniffed out by HXL in a recent commit to one of the SDKs AMD maintains in a public repository through its GPUOpen initiative.
AMD's Radeon RX 9000 series generation powered by the RDNA 4 graphics architecture will be based almost entirely on two chips, the "Navi 48" and "Navi 44," with the latter powering mainstream and mid-range SKUs; while the former powers performance-segment ones. There is no enthusiast-segment chip this time around. The "Navi 48" is expected to feature a more advanced video encode/decode hardware than the one RDNA 3.5 comes with; and AV1 is likely to get the bulk of development as the royalty-free codec gains popularity with online video streaming services. It remains to be seen if next-generation architectures like RDNA 4 or NVIDIA's "Blackwell" support acceleration for VVC.
Source:
HXL (Twitter)
AMD's Radeon RX 9000 series generation powered by the RDNA 4 graphics architecture will be based almost entirely on two chips, the "Navi 48" and "Navi 44," with the latter powering mainstream and mid-range SKUs; while the former powers performance-segment ones. There is no enthusiast-segment chip this time around. The "Navi 48" is expected to feature a more advanced video encode/decode hardware than the one RDNA 3.5 comes with; and AV1 is likely to get the bulk of development as the royalty-free codec gains popularity with online video streaming services. It remains to be seen if next-generation architectures like RDNA 4 or NVIDIA's "Blackwell" support acceleration for VVC.
31 Comments on AMD "Navi 48" To Feature AV1 Hardware Encoders with B-Frame Support
Wonder if those AV1 patent trolls are still around though :kookoo:
After motion compensation from nearby frames (past or future), the difference of the being-compressed frame versus the input frame is calculated.
This "residual" further refines the compressed frame, and is stored in a lossy form. It brings the frame closer to the input one.
(the world may know that here there is corruption among politicians everywhere and that free things, with AV1, hinder corruption)Yes.
But here in Brazil, the only equipment that will need to convert the signal image to h.266 is the equipment that will send the signal to the transmission towers. All other equipment and cameras can continue to use other codecs. Filming, video editing and even video storage will be able to be done with other codecs.
I really hope that all hardware manufacturers do not support H.266 and only support codecs from the AOMedia group (AV1, AV2, etc.).