[FFmpeg-trac] #6817(avfilter:closed): scale2ref produce stuttering with HD MPEG (HD-DVD, EVO)

[FFmpeg]

#6817: scale2ref produce stuttering with HD MPEG (HD-DVD, EVO)
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             Reporter:  Sami32      |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  minor       |                Component:  avfilter
              Version:  git-master  |               Resolution:  fixed
             Keywords:  scale2ref   |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Changes (by cehoyos):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 Replying to [comment:4 Sami32]:
 > That the following shorter command line without the first scaling filter
 give the same stuttering video output: (as it will with only:% ffmpeg -i
 INPUT -filter_complex [0:s:0][0v]scale2ref[sub][video];[video][sub]overlay
 VOB_OR_MPEG_OR_MPEGTS_OUTPUT parameters)
 >
 > {{{
 > % ffmpeg -i "F:\!MEDIA_TEST_FILES\UMS Video Testing Suite
 (20150121)\TESTS\INTERNAL SUBTITLES\DVBSUB_.mkv" -filter_complex
 [0:s:0][0v]scale2ref[sub][video];[video][sub]overlay -sn -an -map_metadata
 -1 -bufsize 1835k -maxrate 9800k -muxrate 9800k -g 25 -qmax 7 -qmin 2 -c:v
 mpeg2video -f mpeg NUL
 > }}}
 How can a command line that does not produce an output file allow to
 reproduce a stuttering issue? (Even more so if the console output that
 explains the issue very well is missing.)

 Should be fixed in da99b3f0c90a47210cb802a15366babad22f2c70

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Ticket URL: <https://trac.ffmpeg.org/ticket/6817#comment:5>
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