[FFmpeg-trac] #4959(undetermined:new): 1st frame duplicated when HEVC decoding

FFmpeg trac at avcodec.org
Fri Oct 23 10:28:58 CEST 2015


#4959: 1st frame duplicated when HEVC decoding
-------------------------------------+-------------------------------------
             Reporter:  GabrielD     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Hello,
 I would like to report a strange behaviour when I decode a hevc elementary
 stream. Actually, the first frame is duplicated an I finally get a
 additional frame compare to the original file.
 I already try to decode the same file with openHEVC and the HM decoder
 (v16.7) and I do not have this behaviour.
 Below, how to reproduce:
 encoding:
 {{{
 % ffmpeg -f rawvideo -s 1920x1080 -pix_fmt yuv420p -r 60 -i video_raw.yuv
 -vcodec libx265 -f hevc -b:v 5M video.265
 ffmpeg version N-76224-ga7c5005 Copyright (c) 2000-2015 the FFmpeg
 developers
 built with gcc 4.9.2 (Ubuntu 4.9.2-10ubuntu13)
 }}}

 decoding:
 {{{
 % ffmpeg -i video.265 output.yuv
 ffmpeg version N-76224-ga7c5005 Copyright (c) 2000-2015 the FFmpeg
 developers
 built with gcc 4.9.2 (Ubuntu 4.9.2-10ubuntu13)
 }}}

 thank you!

 Gabriel

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4959>
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