noreply at mythtv
Apr 12, 2012, 3:53 AM
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Ticket #10584: mpeg2 seektable generators are inconsistent
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#10584: mpeg2 seektable generators are inconsistent
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Reporter: J.Pilk@… | Type: Bug Report - General
Status: new | Priority: minor
Milestone: unknown | Component: MythTV - General
Version: 0.25 | Severity: medium
Keywords: | Ticket locked: 0
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mythtv-0.25-283_v0.25_rc_156_g02216ca.el6.rpm fromATrpms
Seektables generated during recording, or by mythcommflag --rebuild, or by
mythtranscode --mpeg2 --buildindex, are not the same. I demonstrated
this by making MythArchives of a short recording 'raw' and after running
each command, and examining the .xml files created. The mythcommflag
version does not include a mark=0 entry and the offsets (byte positions)
from both commflag and transcode are then consistently 188 bytes greater
than the 'raw' value. Maybe a within-packet offset got counted twice?
This was a recording from dvb-t. I'll check to see if HD dvb-t2
recordings show a similar raw/mythcommflag discrepancy.
raw <recordedseek>
<mark offset="188" type="9" mark="0"/>
<mark offset="461164" type="9" mark="30"/>
mythcommflag <recordedseek>
<mark offset="461352" type="9" mark="30"/>
<mark offset="812724" type="9" mark="60"/>
mythtranscode <recordedseek>
<mark offset="376" type="9" mark="0"/>
<mark offset="461352" type="9" mark="30"/>
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Ticket URL: <http://code.mythtv.org/trac/ticket/10584>
MythTV <http://code.mythtv.org/trac>
MythTV Media Center
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Ticket #10584: mpeg2 seektable generators are inconsistent
