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HEVC / H265 Hands-On course

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Excerpts from the HEVC / H265 Hands-on course. ...

Excerpts from the HEVC / H265 Hands-on course.
This parts of the course explains how to download the reference code (HM) compile it configure it and analyze the video output

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  • 1. 1Yossi CohenHEVC/H.265Hands-onCoding and Analysis
  • 2. 2EXCERPTS FROMHEVC HANDS-ON COURSEBy Shevach Rabitsev & Yossi Cohen
  • 3. 3Overview Get HEVC sources Compile Configure Analyze
  • 4. 4Hands-on exercise We would like to compare the main “vanila” profile to a low-delay profile. Encode the same video using both profiles Analyze the video using Interra HEVC Compare results What differences do you expect to find? Coding efficiency Tile size …..
  • 5. 5HEVC Sources for Windows• Download SVN Tortoise 32/64 bit version• http://test.tortoisesvn.net/downloads.html• Create HEVC folder• Right-Click on folder and select
  • 6. 6Sources Checkout Fill URL repository withhttps://hevc.hhi.fraunhofer.de/svn/svn_HEVCSoftware/tags/HM-9.2rc1/ Fill destination directory
  • 7. 7Compilation Open solution sln file in Destination_DirBuild Select Encoder_app as startup solution Rebuild solution
  • 8. 8Configuration We are using pre defined “usage configuration” located inDestination_Dir/CFGTAppEncoder.exe -i Infile -c <Dest_dir>cfgencoder_randomaccess_main.cfg -wdt1280 -hgt 720 -fr 30 -f 10TAppEncoder.exe -i Infile -c <Dest_dir>cfgencoder_lowdelay_main.cfg-wdt 1280 -hgt 720 -fr 30 -f 10
  • 9. 9Analyzer results Headers (VPS/SPS/PPS) Parsing Picture type detection Tile size & location NAL division Bandwidth calculation Quality measurements (PSNR) Quality measurements (SSIM) DPB Occupancy
  • 10. 10Analyzer Screen
  • 11. 11NAL Type & Size analysis
  • 12. 12DPB Occupancy What is stored in the decoder buffers?
  • 13. 13Thank you! Video Expert Lectures on Video / Android / VoIP Android Native DeveloperMore About me:Yossi Cohenyossicohen19@gmail.comhttp://www.mobilevideotech.com+972-545-313092