[mythtv-users] possible bug in 0.28 mythtranscode

Fri Aug 5 22:47:43 UTC 2016

> On Aug 5, 2016, at 5:33 PM, John Pilkington <J.Pilk at tesco.net> wrote:
> 
> On 05/08/16 22:21, George Bingham wrote:
>> On Fri, Aug 5, 2016 at 10:47 AM, Jim Abernathy <jfabernathy at outlook.com <mailto:jfabernathy at outlook.com>
>> <mailto:jfabernathy at outlook.com <mailto:jfabernathy at outlook.com>>> wrote:
>> 
>>    I posted this in mythv forum, but not sure if that was the place for
>>    it.  In 0.27 I used the following procedure to process some OTA TV
>>    recordings I wanted to save on a NAS:
>> 
>>    1. using mythfrontend, I'd edit the recording using the detected
>>    commercial list and fix any issues and save the edited list to the
>>    cutlist.
>>    2. I'd run the command:
>> 
>>    mythtranscode --chanid 1111 --starttime 20160805000000 --mpeg2
>>    --honorcutlist -o new-output-file.mpg
>> 
>>    3. use handbrake to convert the .mpg file and put if on my NAS
>> 
>>    Using this method I still had the original file within Mythtv.
>> 
>>    In version 0.28 mythtranscode will create 'new-output-file.mpg' but
>>    it deletes the original and now mythfrontend can't find it and gets
>>    an error.
>> 
>>    If I do not use the -o option it behaves correctly and mythfrontend
>>    finds the same program and plays it but the cutlist has been applied
>>    and deleted.
>> 
>>    BTW, using the extension .ts instead of .mpg doesn't change the
>>    behavior.
>> 
>>    I see nothing in the 0.28 information that says the intent of
>>    mythtranscode changed from 0.27 to 0.28.
>> 
>>    Not sure of the rules here, but I've attached the console log to
>>    this email.
>> 
>> 
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>> 
>> 
>> 
>> 
>> Hi Jim,
>> 
>> I do much the same thing for some of my shows, and I have found that if
>> my script makes a copy of the original recording into the original
>> storage directory, but with a '.tmp' extension, then the mythtranscode
>> step will behave as expected.
>> 
>> I do think it's a bug in that it doesn't make that backup copy, but if
>> that .tmp file is there, it will delete the original after it has been
>> transcoded, but recopy (or perhaps rename) the .tmp file back to it's
>> original filename (in my case it's .ts, but previous versions would be
>> .mpg).
>> 
>> Just add that step to your transcode script near the beginning.
>> 
>> The end result is that the original show is still in your listings and
>> playable and all, but there is no longer a cutlist associated with it. I
>> presume running mythcommflag or whatever it's called will re-create one,
>> or it can be done manually, but all I want is to have the opportunity to
>> try again should something else go wrong with the transcoding steps.
>> Generally it works correctly so after it's been transcoded and saved
>> away, I just manually delete it.
>> 
>> Hope this helps.
>> 
>> George
> 
> I see this has appeared as Ticket #12845, and I added a comment there. It's quite similar to #12698 and it looks to me as if
> 
> https://www.mythtv.org/wiki/Copy_and_transcode.pl <https://www.mythtv.org/wiki/Copy_and_transcode.pl>
> 
> should do what is wanted.  But I haven't used it myself :-)
> 
> John P
> 

I’ll play with the script you referred to but I see it uses the -o option so not sure how that is going to work.  

Jim A

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