[FFmpeg-trac] #4111(avcodec:new): h261 encoding produces glitches with -qscale 2

FFmpeg trac at avcodec.org
Sat Jan 31 05:23:03 CET 2015


#4111: h261 encoding produces glitches with -qscale 2
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             Reporter:  cehoyos     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  h261        |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by michael):

 H261 cannot encode this without artifacts at qp=2
 since 9f73b88c624a0b70a3d1169b9f6fa49002dfb94a qp_rd can be used to reduce
 the qp for MBs which can otherwise not be encoded

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Ticket URL: <https://trac.ffmpeg.org/ticket/4111#comment:2>
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