[FFmpeg-trac] #4980(avcodec:open): yuv444p hevc wrong resolution if x265 ultrafast was used for encoding

FFmpeg trac at avcodec.org
Mon Nov 2 16:26:39 CET 2015


#4980: yuv444p hevc wrong resolution if x265 ultrafast was used for encoding
--------------------------------------+-----------------------------------
             Reporter:  psteinb       |                    Owner:
                 Type:  defect        |                   Status:  open
             Priority:  normal        |                Component:  avcodec
              Version:  git-master    |               Resolution:
             Keywords:  hevc libx265  |               Blocked By:
             Blocking:                |  Reproduced by developer:  1
Analyzed by developer:  0             |
--------------------------------------+-----------------------------------

Comment (by cehoyos):

 {{{
 $ ffmpeg -i 320x248.hevc
 ffmpeg version N-76446-g23dffc7 Copyright (c) 2000-2015 the FFmpeg
 developers
   built with gcc 4.8 (SUSE Linux)
   configuration: --enable-libx265 --enable-gpl
   libavutil      55.  5.100 / 55.  5.100
   libavcodec     57. 13.102 / 57. 13.102
   libavformat    57. 13.100 / 57. 13.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 14.101 /  6. 14.101
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.100 /  2.  0.100
   libpostproc    54.  0.100 / 54.  0.100
 Input #0, hevc, from '320x248.hevc':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: hevc (Rext), yuv444p(tv), 320x240 [SAR 1:1 DAR
 4:3], 25 fps, 25 tbr, 1200k tbn, 25 tbc
 }}}
 The reference decoder decodes the sample as 320x248 which I used for
 encoding:
 {{{
 $ ffmpeg -f lavfi -i testsrc=320x248 -pix_fmt yuv444p -strict -2 -vframes
 100 -preset ultrafast 320x248.hevc
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/4980#comment:9>
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