[FFmpeg-trac] #10284(ffprobe:new): Captured HD DVR (HDHomeRun) streams (in the UK) - wrongly identified as 1080p when it should be 1080i

FFmpeg trac at avcodec.org
Thu May 25 01:08:35 EEST 2023


#10284: Captured HD DVR (HDHomeRun) streams (in the UK) - wrongly identified as
1080p when it should be 1080i
-------------------------------------+-------------------------------------
             Reporter:  minxster     |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  ffprobe
              Version:  6.0          |               Resolution:
             Keywords:  interlaced,  |               Blocked By:
  ffprobe, mpegts                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by Marton Balint):

 I am not sure what is the expected outcome. You wrote it yourself, the
 stream contains both progressive and interlaced content.

 What ffprobe reports is most likely based on a small section (in the
 beginning) of the file which it uses to probe the h264 parameters. A smart
 encoder can choose the frame encoding mode (interlaced or progressive) on
 a per-scene basis, so what ffprobe reports should depend on the encoding
 mode of the first scene of your capture.

 Why is this an issue for you by the way? Can't you just handle the content
 as if it would be interlaced all along?
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/10284#comment:1>
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