QSVEnc

by rigaya

日本語版はこちら＞＞

This software is meant to investigate performance and image quality of HW encoder (QSV) of Intel. There are 2 types of software developed, one is command line version that runs independently, and the nother is a output plug-in of Aviutl.

• QSVEncC.exe ... Command line version supporting transcoding.
• QSVEnc.auo ... Output plugin for Aviutl.

Downloads & update history

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System Requirements

CPU

CPUs supporting QSV＞＞

Windows

Windows 10 (x86/x64)
Aviutl 1.00 or later (QSVEnc.auo)

Linux

Debian/Ubuntu (QSVEncC)
Fedora (QSVEncC)
Requires Broadwell CPU or later.
It may be possible to run on other distributions (not tested).

Precautions for using QSVEnc

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

Usage and options of QSVEncC

Option list and details of QSVEncC

Major Features

Common to QSVEnc / QSVEncC

• Encoding using QuickSyncVideo
  • H.264/AVC
  • H.265/HEVC (8bit/10bit)
  • MPEG2
• Encode mode of QuickSyncVideo
  • CQP (Fixed Quantization)
  • CBR (Constant bitrate)
  • VBR (Variable bitrate)
  • AVBR (Adaptive Variable bitrate)
  • QVBR (Quality based Variable bitrate)
  • LA (Lookahead mode)
  • LA-HRD (HRD compatible Lookahead mode)
  • ICQ (Constant Quality)
  • LA-ICQ (Constant Quality with Lookahead)
  • VCM (Video Conference mode)
• Quality preset of 7 steps
• Interlaced encoding (by PAFF)
• supports setting of codec profile & level, SAR, colormatrix, maxbitrate, GOP len, etc...
• supports various vpp(video pre-processing) filters
  • resize
  • deinterlace (normal / bob / it)
  • detail enhancement
  • denoise
  • image stablizier
  • rotation
  • delogo
  • sub hard-burn

QSVEncC

• Supports QSV(hw) decoding
  • MPEG2
  • H.264/AVC
  • HEVC
  • VP8
  • VP9
• Supports various formats such as avs, vpy, y4m, and raw
• Supports demux/muxing using libavformat
• Supports decode using libavcodec

QSVEnc.auo (Aviutl plugin)

• Audio encoding
• Mux audio and chapter
• afs (Automatic field shift) support

Supported Features

This depends on the version of QSVEnc, the generation of the GPU, and also the GPU driver.

CPUs supporting QSV

○ ... QSV avail
× ... QSV unavail
? ... differs by SKU or driver versions

Intel Media SDK and API

QSVEnc source code

• MIT license.

• This software depends on ffmpeg, libass, tinyxml2, dtl, ttmath & Caption2Ass. For these licenses, please see the header part of the corresponding source and license.txt.

• How to build

About source code

Windows ... VC build
Linux ... makefile + gcc/clang build

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