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Loseless Transcode Fails

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pyther at pyther

Nov 22, 2009, 3:39 PM

Post #1 of 4 (683 views)
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Loseless Transcode Fails

I have a recording that is 6.5GB. I have cut points set and I would like
to transcode this file loosely. When I attempt to do this, it fails.

Full mythbackend.log: http://pastebin.ca/1682894

2009-11-22 17:53:33.875 Converting frame #10 from B to I
2009-11-22 17:53:33.925 Converting frame #11 from P to I
QString::arg: Argument missing: Frame 14 > 5. Corruption likely at pos:
5, 3021906360
2009-11-22 17:53:34.917 Frame 14 > 5. Corruption likely at pos: 5
2009-11-22 17:53:35.018 Inserting 9 I-Frames after #5
2009-11-22 17:53:35.042 Warning: partial frame found!
2009-11-22 17:53:35.102 Inserting 9 I-Frames after #2
2009-11-22 17:53:35.167 Inserting 5 I-Frames after #14
QString::arg: Argument missing: Frame 20 > 19. Corruption likely at pos:
19, 3022067100
2009-11-22 17:53:35.200 Frame 20 > 19. Corruption likely at pos: 19
2009-11-22 17:53:35.275 Inserting 2 I-Frames after #19
2009-11-22 17:53:35.495 Inserting 6 I-Frames after #27
2009-11-22 17:53:35.574 Inserting 9 I-Frames after #2
2009-11-22 17:53:35.605 Warning: partial frame found!
2009-11-22 17:53:35.711 Inserting 6 I-Frames after #5
2009-11-22 17:53:35.759 Increasing ringbuffer size by 1019680 to avoid
deadlock
2009-11-22 17:53:35.789 expectedPTS != expectedDTS+ptsIncrement
2009-11-22 17:53:35.821 Transcoding /home/myth/tv/The Great Escape -
2009-11-15, 11-00 PM - Untitled.mpg failed
2009-11-22 17:53:35.851 Deleting /home/myth/tv/The Great Escape -
2009-11-15, 11-00 PM - Untitled.mpg.tmp
2009-11-22 17:53:36.236 JobQueue: Transcode Errored: The Great Escape:
High Quality (exit status 247, job status was "Errored")
2009-11-22 17:53:57.209 UPnpMedia: BuildMediaMap - no VideoStartupDir
set, skipping scan.
2009-11-22 17:55:03.637 AutoExpire: CalcParams(): Max required Free
Space: 1.0 GB w/freq: 15 min

Any help would be appreciated!

Thanks,
pyther
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chmeredith at gmail

Jul 9, 2010, 11:30 AM

Post #2 of 4 (496 views)
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Re: Loseless Transcode Fails [In reply to]

On Sun, Nov 22, 2009 at 6:39 PM, pyther <pyther [at] pyther> wrote:
> I have a recording that is 6.5GB. I have cut points set and I would like to
> transcode this file loosely. When I attempt to do this, it fails.
>
> Full mythbackend.log: http://pastebin.ca/1682894
>
> 2009-11-22 17:53:33.875 Converting frame #10 from B to I
> 2009-11-22 17:53:33.925 Converting frame #11 from P to I
> QString::arg: Argument missing: Frame 14 > 5. Corruption likely at pos: 5,
> 3021906360
> 2009-11-22 17:53:34.917 Frame 14 > 5. Corruption likely at pos: 5
> 2009-11-22 17:53:35.018 Inserting 9 I-Frames after #5
> 2009-11-22 17:53:35.042 Warning: partial frame found!
> 2009-11-22 17:53:35.102 Inserting 9 I-Frames after #2
> 2009-11-22 17:53:35.167 Inserting 5 I-Frames after #14
> QString::arg: Argument missing: Frame 20 > 19. Corruption likely at pos: 19,
> 3022067100
> 2009-11-22 17:53:35.200 Frame 20 > 19. Corruption likely at pos: 19
> 2009-11-22 17:53:35.275 Inserting 2 I-Frames after #19
> 2009-11-22 17:53:35.495 Inserting 6 I-Frames after #27
> 2009-11-22 17:53:35.574 Inserting 9 I-Frames after #2
> 2009-11-22 17:53:35.605 Warning: partial frame found!
> 2009-11-22 17:53:35.711 Inserting 6 I-Frames after #5
> 2009-11-22 17:53:35.759 Increasing ringbuffer size by 1019680 to avoid
> deadlock
> 2009-11-22 17:53:35.789 expectedPTS != expectedDTS+ptsIncrement
> 2009-11-22 17:53:35.821 Transcoding /home/myth/tv/The Great Escape -
> 2009-11-15, 11-00 PM - Untitled.mpg failed
> 2009-11-22 17:53:35.851 Deleting /home/myth/tv/The Great Escape -
> 2009-11-15, 11-00 PM - Untitled.mpg.tmp
> 2009-11-22 17:53:36.236 JobQueue: Transcode Errored: The Great Escape: High
> Quality (exit status 247, job status was "Errored")
> 2009-11-22 17:53:57.209 UPnpMedia: BuildMediaMap - no VideoStartupDir set,
> skipping scan.
> 2009-11-22 17:55:03.637 AutoExpire: CalcParams(): Max required Free Space:
> 1.0 GB w/freq: 15 min
>
> Any help would be appreciated!

This is a little old but I'm running into the same thing using r25281.
I ran the following command on a QAM mpeg2 recording:
mythtranscode --chanid 2432 --starttime 2010-07-08-19-29-00 --mpeg2
--honorcutlist -o /mnt/sdd/test.mpg

Got this:
2010-07-09 13:29:24.776 Using runtime prefix = /usr/local
2010-07-09 13:29:24.776 Using configuration directory = /home/theophile/.mythtv
2010-07-09 13:29:24.777 Empty LocalHostName.
2010-07-09 13:29:24.789 New DB connection, total: 1
2010-07-09 13:29:24.793 Closing DB connection named 'DBManager0'
2010-07-09 13:29:24.795 Enabled verbose msgs: important
2010-07-09 13:29:24.833 mpeg_decode_postinit() failure
2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
2010-07-09 13:29:24.838 mpeg_decode_postinit() failure
Mux rate: 81.70 Mbit/s
2010-07-09 13:29:25.828 expectedPTS != expectedDTS+ptsIncrement

FWIW, I did not have the issue before upgrading from r24517
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mtdean at thirdcontact

Jul 9, 2010, 2:59 PM

Post #3 of 4 (499 views)
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Re: Loseless Transcode Fails [In reply to]

On 07/09/2010 02:30 PM, Christopher Meredith wrote:
> This is a little old but I'm running into the same thing using r25281.
> I ran the following command on a QAM mpeg2 recording:
> mythtranscode --chanid 2432 --starttime 2010-07-08-19-29-00 --mpeg2
> --honorcutlist -o /mnt/sdd/test.mpg
>
> Got this:
> 2010-07-09 13:29:24.776 Using runtime prefix = /usr/local
> 2010-07-09 13:29:24.776 Using configuration directory = /home/theophile/.mythtv
> 2010-07-09 13:29:24.777 Empty LocalHostName.
> 2010-07-09 13:29:24.789 New DB connection, total: 1
> 2010-07-09 13:29:24.793 Closing DB connection named 'DBManager0'
> 2010-07-09 13:29:24.795 Enabled verbose msgs: important
> 2010-07-09 13:29:24.833 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
> 2010-07-09 13:29:24.838 mpeg_decode_postinit() failure
> Mux rate: 81.70 Mbit/s
> 2010-07-09 13:29:25.828 expectedPTS != expectedDTS+ptsIncrement
>
> FWIW, I did not have the issue before upgrading from r24517

Trunk? http://www.gossamer-threads.com/lists/mythtv/users/442241#442241
, perhaps?

Mike
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chmeredith at gmail

Jul 9, 2010, 3:36 PM

Post #4 of 4 (501 views)
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Re: Loseless Transcode Fails [In reply to]

On Fri, Jul 9, 2010 at 4:59 PM, Michael T. Dean <mtdean [at] thirdcontact> wrote:
> On 07/09/2010 02:30 PM, Christopher Meredith wrote:
>>
>> This is a little old but I'm running into the same thing using r25281.
>> I ran the following command on a QAM mpeg2 recording:
>> mythtranscode --chanid 2432 --starttime 2010-07-08-19-29-00 --mpeg2
>> --honorcutlist -o /mnt/sdd/test.mpg
>>
>> Got this:
>> 2010-07-09 13:29:24.776 Using runtime prefix = /usr/local
>> 2010-07-09 13:29:24.776 Using configuration directory =
>> /home/theophile/.mythtv
>> 2010-07-09 13:29:24.777 Empty LocalHostName.
>> 2010-07-09 13:29:24.789 New DB connection, total: 1
>> 2010-07-09 13:29:24.793 Closing DB connection named 'DBManager0'
>> 2010-07-09 13:29:24.795 Enabled verbose msgs: important
>> 2010-07-09 13:29:24.833 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.834 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.835 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.836 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.837 mpeg_decode_postinit() failure
>> 2010-07-09 13:29:24.838 mpeg_decode_postinit() failure
>> Mux rate: 81.70 Mbit/s
>> 2010-07-09 13:29:25.828 expectedPTS != expectedDTS+ptsIncrement
>>
>> FWIW, I did not have the issue before upgrading from r24517
>
> Trunk? http://www.gossamer-threads.com/lists/mythtv/users/442241#442241 ,
> perhaps?

Thanks for the lead. I noticed that that patch has been committed so I
double checked my mythtranscode.cpp for good measure and found that I
am indeed running the "patched" version of mythtranscode. I still get
this error. I have noticed that it only occurs when using
"--honorcutlist." I still had the mythtranscode binary from r24517
which did work previously, so I tried using the older binary and still
got the same error. Could the problem be in the way mythtranscode gets
the cutlist from the database?
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