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[Bug 482107] Re: YouTube export - Incorrect clip start points

 

I think I am experiencing the same issue.  I have imported dv video
(imported from dv camera using kino).  The exported video does not line
up with the sound track that I was aligning the clips to.  It is fine
when played back during edit mode, but after export, it seems the clips
are starting early.

This is the output when run from a terminal:-

on_tlbPrevious_clicked called with self.tlbPrevious
on_tlbPlay_clicked called with self.tlbPlay
on_tlbPlay_clicked called with self.tlbPlay
on_tlbPrevious_clicked called with self.tlbPrevious
on_mnuMakeMovie1_activate called with self.mnuMakeMovie
on_tlbMakeMovie_clicked called with self.mnuMakeMovie
on_cboProjectType_changed
on_cboExportTo_changed
on_cboProjectType_changed
on_btnExportVideo_clicked
AC EOB marker is absent pos=64
AC EOB marker is absent pos=72
AC EOB marker is absent pos=64
    Last message repeated 3 times
AC EOB marker is absent pos=65
AC EOB marker is absent pos=64
AC EOB marker is absent pos=102
AC EOB marker is absent pos=64
on_btnCancel_clicked
on_frmExportVideo_destroy

I think the message "AC EOB marker is absent" might have something to do
with it.  Looking around I found this issue in ffmpeg
https://roundup.ffmpeg.org/roundup/ffmpeg/issue1060

This issue is about frames being dropped due to missing "AC EOB marker"
message, and states that it was fixed in June 2009.  Therefore I am not
certain if the fix is included in Karmic or not.

It would be interesting to see if you are getting the same messages when
exporting.  I have tested exporting to DVD-PAL, DVD-NTSC and Youtube-
NTSC-Square, all with the same results.

** Bug watch added: roundup.ffmpeg.org/roundup/ffmpeg/ #1060
   https://roundup.ffmpeg.org/roundup/ffmpeg/issue1060

-- 
YouTube export - Incorrect clip start points
https://bugs.launchpad.net/bugs/482107
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Status in OpenShot Video Editor: New

Bug description:
Ubuntu Karmic 9:10, Openshot 0.9.53 via PPA (Nov 5th)

I created a video with 4 tracks playing in each of the 4 1/4 corners. Exported to YouTube preset with settings:
Project Type - Web, Target - YouTube, Video Profile - Square NTSC (should there be a PAL option?), Quality - High.

Video exported and file created. However, when the exported video is played back all the clips have started earlier than set in the timeline by varying amounts (1 was 4 secs, another was about 10 secs).



References