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x265 is an encoder for creating digital video streams in the High Efficiency Video Coding (HEVC/H.265) video compression format developed by the Joint Collaborative Team on Video Coding (JCT-VC). [ 4 ] [ 5 ] [ 6 ] It is available as a command-line app or a software library , under the terms of GNU General Public License (GPL) version 2 or later ...
The quality the codec can achieve is heavily based on the compression format the codec uses. A codec is not a format, and there may be multiple codecs that implement the same compression specification – for example, MPEG-1 codecs typically do not achieve quality/size ratio comparable to codecs that implement the more modern H.264 specification.
The 10-bit video sequences were converted to 8 bits for the Main profile and remained at 10 bits for the Main 10 profile. The reference PSNR was based on the original 10-bit video sequences. In the performance comparison the Main 10 profile provided a 5% bit rate reduction for inter frame video coding compared to the Main profile. The ...
The Sony α1 [66] and Sony α7 IV [67] offer capturing images in 10-bit HEIF format with an HDR format that uses HLG. The Fujifilm X-H2S, [68] Fujifilm X-H2, [69] Fujifilm X-T5, [70] and Fujifilm X100VI [71] offers a choice of JPEG or 10-bit HEIF file formats. The Nikon Z9 and Nikon Z8 offer 10-bit HEIF file formats.
On November 7, 2014, DivX developers announced that DivX265 version 1.4.21 has added support for the Main 10 profile of HEVC and the Rec. 2020 color space. [106] On December 10, 2014 Better Portable Graphics was announced, an HEVC-based still image format offering significantly better quality than JPEG at the same file size.
To fix HEVC and HEIF issues on Windows 11, use these steps: Open Start . Search for Command Prompt , right-click the top result, and select the Run as administrator option.
The HEVC standard defines two tiers: Main and High. [1] [2] The Main tier is a lower tier than the High tier. [1] [2] The tiers were made to deal with applications that differ in terms of their maximum bit rate. [1] The Main tier was designed for most applications while the High tier was designed for very demanding applications. [1]
The Tiger Lake, Rocket Lake, Alder Lake & Raptor Lake microarchitectures implementation adds VP9 12-bit & 12-bit 4:4:4 hardware decoding and HEVC 12-bit 4:2:0, 4:2:2 and 4:4:4 hardware decoding. [22] Gen12 Xe will also support native AV1 decode, which includes 10-bit 4:2:0 16K stills and 10-bit 4:2:0 8K, 4K and 2K video. [ 23 ]