[libav-bugs] [Bug 22] New: Video packet timestamps broken for Panasonic Lumix GH2 AVCHD files

bugzilla-daemon at batanen.kinali.ch bugzilla-daemon at batanen.kinali.ch
Tue Jul 26 09:12:26 CEST 2011


http://bugzilla.libav.org/show_bug.cgi?id=22

           Summary: Video packet timestamps broken for Panasonic Lumix GH2
                    AVCHD files
           Product: Libav
           Version: git HEAD
          Platform: PC
        OS/Version: Mac OS
            Status: NEW
          Severity: critical
          Priority: Normal
         Component: libavformat
        AssignedTo: libav-bugs at libav.org
        ReportedBy: krueger at lesspain.de


Created attachment 9
  --> http://bugzilla.libav.org/attachment.cgi?id=9
Panasonic Lumix GH2 720p50 test file

The attached AVCHD file is from a Panasonic Lumix GH2 in 720p50 mode. These
files used to be decodable by old ffmpeg versions (the last I checked was
SVN-r26108, roughly from the beginning of this year).

With current git the video packets' timestamps are completely broken (we
noticed when we upgraded our libraries for an application that uses
libavformat/libavcodec) and also ffprobe displays N/A for the video packets'
PTS values.

Note that I also filed this in ffmpeg's bugtracker as Ticket #360 so it's up to
you if you wait until someone fixes it there or you do it yourself because you
think it's important enough (maybe because it's a rather popular camera). Just
wanted to let you know it's broken in libav as well (not in ffmbc though).

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