[FFmpeg-trac] #11055(undetermined:new): "showinfo", "-show_frames": bad PTS, where "framecrc" had expected; plus inconsistent playback

FFmpeg trac at avcodec.org
Fri Jun 14 06:04:04 EEST 2024


#11055: "showinfo", "-show_frames": bad PTS, where "framecrc" had expected; plus
inconsistent playback
-------------------------------------+-------------------------------------
             Reporter:  markfilipak  |                    Owner:  (none)
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  vf_showinfo  |               Blocked By:
  ffprobe -show_frames OGOP          |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Comment (by markfilipak):

 H.222, 2.4.3.7
 "PTS_DTS_flags – This is a 2-bit field. When the PTS_DTS_flags field is
 set to '10', the PTS fields shall be present in the PES packet header.
 When the PTS_DTS_flags field is set to '11', both the PTS fields and DTS
 fields shall be present in the PES packet header. When the PTS_DTS_flags
 field is set to '00' no PTS or DTS fields shall be present in the PES
 packet header. The value '01' is forbidden."

 I've never seen a B-frame having PTS_DTS_flags = '11'.
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/11055#comment:22>
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