Opened 5 years ago

Closed 4 years ago

#4531 closed defect (needs_more_info)

ffmpeg libx265 2pass encoding do not work properly

Reported by: ZMachine Owned by:
Priority: normal Component: undetermined
Version: unspecified Keywords: libx265
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

hello,

basically using the following command line even if ffmpeg correctly complete encoding, log file created from the 1st pass is emply and cannot be used by the 2nd pass

"H:\Project\bin\Release\data\bin64\ffmpeg.exe" -hwaccel auto -i "H:\videotest\test.mkv" -map 0:v:0 -c:v libx265 -pass 1 -passlogfile "H:\videotest\outputaxsxafccs.stats" -b:v 5000k -preset 5 -x265-params level=0:profile=undefined:pmode:no-pme:pme:no-high-tier:ref=3:bframes=4:open-gop:keyint=250:min-keyint=25:b-adapt=2:bframe-bias=0:rc-lookahead=20:no-scenecut:b-pyramid:me=hex:subme=2:merange=57:temporal-mvp:weightp:no-weightb:max-merge=2:no-weightb:no-rect:no-amp:vbv-bufsize=0:vbv-maxrate=0:vbv-init=0.9:no-slow-firstpass:no-strict-cbr:qcomp=0.6:qstep=4:aq-mode=1:aq-strength=1.0:cutree:no-early-skip:ctu=64:no-fast-cfb:ipratio=1.4:pbratio=1.3:cbqpoffs=0:crqpoffs=0:rd=3:psy-rd=0.3:psy-rdoq=1:b-intra:no-fast-intra:rdoq-level=1:no-tskip:no-tskip-fast:cu-lossless:tu-intra-depth=1:tu-inter-depth=1:strong-intra-smoothing:no-constrained-intra:nr-intra=0:nr-inter=0:qblur=0.5:cplxblur=20:signhide:sar=16 -f null -

2nd pass

"H:\Project\bin\Release\data\bin64\ffmpeg.exe" -hwaccel auto -i "H:\videotest\test.mkv" -map 0:v:0 -c:v libx265 -pass 2 -passlogfile "H:\videotest\outputaxsxafccs.stats" -b:v 5000k -preset 5 -x265-params level=0:profile=undefined:pmode:no-pme:pme:no-high-tier:ref=3:bframes=4:open-gop:keyint=250:min-keyint=25:b-adapt=2:bframe-bias=0:rc-lookahead=20:no-scenecut:b-pyramid:me=hex:subme=2:merange=57:temporal-mvp:weightp:no-weightb:max-merge=2:no-weightb:no-rect:no-amp:vbv-bufsize=0:vbv-maxrate=0:vbv-init=0.9:no-slow-firstpass:no-strict-cbr:qcomp=0.6:qstep=4:aq-mode=1:aq-strength=1.0:cutree:no-early-skip:ctu=64:no-fast-cfb:ipratio=1.4:pbratio=1.3:cbqpoffs=0:crqpoffs=0:rd=3:psy-rd=0.3:psy-rdoq=1:b-intra:no-fast-intra:rdoq-level=1:no-tskip:no-tskip-fast:cu-lossless:tu-intra-depth=1:tu-inter-depth=1:strong-intra-smoothing:no-constrained-intra:nr-intra=0:nr-inter=0:qblur=0.5:cplxblur=20:signhide:sar=16 -map 0:a:0 -c:a copy -map 0:a:1 -c:a copy -map 0:s:0 -c:s copy -map 0:s:1 -c:s copy "H:\videotest\outputaxsxafccs.mkv"

there is an error in the command line string or it's a bug?

Change History (3)

comment:1 Changed 5 years ago by ZMachine

  • Component changed from undetermined to ffmpeg
  • Version changed from unspecified to 2.5.4

comment:2 Changed 5 years ago by cehoyos

  • Component changed from ffmpeg to undetermined
  • Keywords libx265 added
  • Version changed from 2.5.4 to unspecified

Please test current FFmpeg git head with a simplified command line and provide the complete, uncut console output to make this a valid ticket.

comment:3 Changed 4 years ago by cehoyos

  • Resolution set to needs_more_info
  • Status changed from new to closed
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