[FFmpeg-trac] #4344(undetermined:new): XSUBs are too low in PAL video, on PS3

FFmpeg trac at avcodec.org
Sat Sep 17 04:18:35 EEST 2016

#4344: XSUBs are too low in PAL video, on PS3
             Reporter:  edumj        |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
              Version:  unspecified  |  undetermined
             Keywords:  xsub         |               Resolution:
             Blocking:               |               Blocked By:
Analyzed by developer:  0            |  Reproduced by developer:  0

Comment (by edumj):

 They are Ok. XSUBs keep same size and position as the input file.

 I supose ffmpeg always keeps xsub original size (640x480 re-scaled by
 DivMux), but if vobsub has an original size of 720x576 (PAL DVD
 Subpictures) without re-scaling, they are too big for a xsub.

 I think XSUBs where made not thinking on PAL... and only right resolutions
 are 640x480 or 720x480, because NTSC DVDs look Ok!

Ticket URL: <https://trac.ffmpeg.org/ticket/4344#comment:10>
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