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4th March 2015, 20:24 | #1 | Link |
Registered User
Join Date: Sep 2004
Posts: 27
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x264 Quantizer Debug
Hi to all, i want to know if is possible to know frame-by-frame quantizer value after x264 encoding, because i want to manual see the worst compressed frame, to evaluate with my eyes how worst really is, is possible ?
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4th March 2015, 20:46 | #2 | Link |
Registered User
Join Date: Sep 2007
Posts: 5,377
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Did you mean average mb quantizer per frame ?
One way to visualize this this is ffdshow's osd. You can enable "frame mean quantizer". It's possible to print out a csv that you can search in a spreadsheet or text editor. You can also visualize individual mb quantizers with the visualiztion option |
4th March 2015, 21:08 | #3 | Link |
Retried Guesser
Join Date: Jun 2012
Posts: 1,373
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ffplay-generated CSV data files (see "xxxx-ffplay-debug.txt, column "qp")
http://forum.doom9.org/showthread.ph...64#post1693064 ffdshow-generated file, plus on screen display: http://forum.doom9.org/showthread.ph...52#post1693552 Last edited by raffriff42; 4th March 2015 at 21:10. |
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