[FFmpeg-trac] #7483(undetermined:new): CRF value not working when encoding with libaom in AV1

FFmpeg trac at avcodec.org
Wed Oct 10 00:17:45 EEST 2018


#7483: CRF value not working when encoding with libaom in AV1
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             Reporter:  Ewout        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  libaom       |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0
-------------------------------------+-------------------------------------

Comment (by Ewout):

 It looks like the encoder hit a ceiling around CRF 20 / 393 KB, where a
 increase in quality could not be realized even with a higher bitrate,
 because all the detail of the source video was already maintained. Next
 time I should use a higher quality source video.

 This issue can be closed.

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Ticket URL: <https://trac.ffmpeg.org/ticket/7483#comment:3>
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