Mailing List Archive: MythTV: Users

Commercial detection on 0.25 a bit poor?

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glen.hawksworth at bigpond

Jun 26, 2012, 5:17 AM

Post #1 of 10 (596 views)
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Commercial detection on 0.25 a bit poor?

Hi all,
since my recent upgrade to 0.25 I have noticed very poor
advert/commercial detection. Commercials are not being detected,
sometimes the show is detected as an add!!
The first 0.25 box I built was for my brother and he also complained
about poor ad skipping, I figured I must have forgotten unset "strict"
detection but now I'm not so sure.
I never had 100% success with commercial skipping but certain shows I
record the success rate was 99.9%. I actually used to use these shows to
show off ad skipping to my mates.

Has anyone else (particularly in Australia) noticed poor ad detection
recently? Is it just the networks doing something different? Is there
something different in 0.25?
Cheers,
Glen

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moores.martin at gmail

Jun 26, 2012, 5:24 AM

Post #2 of 10 (597 views)
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Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 26 June 2012 13:17, Glen <glen.hawksworth [at] bigpond> wrote:

> Hi all,
> since my recent upgrade to 0.25 I have noticed very poor
> advert/commercial detection. Commercials are not being detected,
> sometimes the show is detected as an add!!
> The first 0.25 box I built was for my brother and he also complained
> about poor ad skipping, I figured I must have forgotten unset "strict"
> detection but now I'm not so sure.
> I never had 100% success with commercial skipping but certain shows I
> record the success rate was 99.9%. I actually used to use these shows to
> show off ad skipping to my mates.
>
> Has anyone else (particularly in Australia) noticed poor ad detection
> recently? Is it just the networks doing something different? Is there
> something different in 0.25?
> Cheers,
> Glen
>

Suggest you drop Gavin an email. He is collecting sample shows to do some
work on advert detection for future Myth versions. I am putting some
together at the moment to send over on a USB stick.

Gavin Hurlbut - gjhurlbu [at] gmail

As for detection being any worse, I can't say I have noticed any
differences from 0.24 for example. I am using the silence-detect script
though, which has been better for me in the UK.

Cheers

Martin

seven at seven

Jun 26, 2012, 10:35 PM

Post #3 of 10 (578 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 26/06/2012, at 10:24 PM, Martin Moores <moores.martin [at] gmail> wrote:

> On 26 June 2012 13:17, Glen <glen.hawksworth [at] bigpond> wrote:
> Hi all,
> since my recent upgrade to 0.25 I have noticed very poor
> advert/commercial detection. Commercials are not being detected,
> sometimes the show is detected as an add!!
> The first 0.25 box I built was for my brother and he also complained
> about poor ad skipping, I figured I must have forgotten unset "strict"
> detection but now I'm not so sure.
> I never had 100% success with commercial skipping but certain shows I
> record the success rate was 99.9%. I actually used to use these shows to
> show off ad skipping to my mates.
>
> Has anyone else (particularly in Australia) noticed poor ad detection
> recently? Is it just the networks doing something different? Is there
> something different in 0.25?
> Cheers,
> Glen
>
> Suggest you drop Gavin an email. He is collecting sample shows to do some work on advert detection for future Myth versions. I am putting some together at the moment to send over on a USB stick.
>
> Gavin Hurlbut - gjhurlbu [at] gmail
>
> As for detection being any worse, I can't say I have noticed any differences from 0.24 for example. I am using the silence-detect script though, which has been better for me in the UK.
>
> Cheers
>
> Martin
>
> ______________________________________________

Are you running the silent-detect manually or as a user job or have you replaced the default mythcommflag command?

Cheers,

Anthony

moores.martin at gmail

Jun 26, 2012, 11:33 PM

Post #4 of 10 (579 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 27 June 2012 06:35, Anthony Giggins <seven [at] seven> wrote:

>
> Are you running the silent-detect manually or as a user job or have you
> replaced the default mythcommflag command?
>
> Cheers,
>
> Anthony
>
> I have replaced mythcommflag with the silence detect script.

Martin

seven at seven

Jun 27, 2012, 1:44 AM

Post #5 of 10 (568 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 27/06/2012, at 4:33 PM, Martin Moores <moores.martin [at] gmail> wrote:

> On 27 June 2012 06:35, Anthony Giggins <seven [at] seven> wrote:
>
> Are you running the silent-detect manually or as a user job or have you replaced the default mythcommflag command?
>
> Cheers,
>
> Anthony
>
> I have replaced mythcommflag with the silence detect script.
>
> Martin
>
> ______________________________

I tried this by replacing mythcommflag with the shell script in the database but commflaging failed after this so I rolled it back

Cheers,

Anthony

jan at horde

Jun 27, 2012, 2:08 AM

Post #6 of 10 (570 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

Zitat von Glen <glen.hawksworth [at] bigpond>:

> Hi all,
> since my recent upgrade to 0.25 I have noticed very poor
> advert/commercial detection. Commercials are not being detected,
> sometimes the show is detected as an add!!
> The first 0.25 box I built was for my brother and he also complained
> about poor ad skipping, I figured I must have forgotten unset "strict"
> detection but now I'm not so sure.
> I never had 100% success with commercial skipping but certain shows I
> record the success rate was 99.9%. I actually used to use these shows to
> show off ad skipping to my mates.
>
> Has anyone else (particularly in Australia) noticed poor ad detection
> recently? Is it just the networks doing something different? Is there
> something different in 0.25?

I have noticed this too, for German programs.

--
Jan Schneider
The Horde Project
http://www.horde.org/

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moores.martin at gmail

Jun 27, 2012, 6:09 AM

Post #7 of 10 (561 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 27 June 2012 09:44, Anthony Giggins <seven [at] seven> wrote:

> On 27/06/2012, at 4:33 PM, Martin Moores <moores.martin [at] gmail> wrote:
>
> On 27 June 2012 06:35, Anthony Giggins <seven [at] seven> wrote:
>
>>
>> Are you running the silent-detect manually or as a user job or have you
>> replaced the default mythcommflag command?
>>
>> Cheers,
>>
>> Anthony
>>
>> I have replaced mythcommflag with the silence detect script.
>
> Martin
>
> ______________________________
>
>
> I tried this by replacing mythcommflag with the shell script in the
> database but commflaging failed after this so I rolled it back
>
> Cheers,
>
> Anthony
>

I am using the following command:

/home/user/mythcommflag-silence.sh -j %JOBID%

and the version of the script from Lawrence Rust:

http://www.softsystem.co.uk/download/mythtv/mythcommflag-silence.sh

Not had any failures as yet

Cheers

Martin

krt at krt

Jun 27, 2012, 11:15 PM

Post #8 of 10 (537 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 26/06/12 22:17, Glen wrote:
> Has anyone else (particularly in Australia) noticed poor ad detection
> recently? Is it just the networks doing something different? Is there
> something different in 0.25?
>

Yeah, this is *exactly* my experience. I basically only record SBS and ABC.

Commercial detection would work 99% fine on SBS, occasionally something in
mythbusters would cause it to miss the last ad, but that's only the 1%.

But since I clean-installed to 0.25+fixes, commercial detection is in a
world of pain, accuracy would be in sub-10% range for the same shows I was
recording previously.

I have strict, and all-available-methods set.

Bit of a head-scratcher really.

cheers,
-kt

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seven at seven

Jun 28, 2012, 2:48 PM

Post #9 of 10 (526 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 27 June 2012 23:09, Martin Moores <moores.martin [at] gmail> wrote:

> On 27 June 2012 09:44, Anthony Giggins <seven [at] seven> wrote:
>
>> On 27/06/2012, at 4:33 PM, Martin Moores <moores.martin [at] gmail> wrote:
>>
>> On 27 June 2012 06:35, Anthony Giggins <seven [at] seven>wrote:
>>
>>>
>>> Are you running the silent-detect manually or as a user job or have you
>>> replaced the default mythcommflag command?
>>>
>>> Cheers,
>>>
>>> Anthony
>>>
>>> I have replaced mythcommflag with the silence detect script.
>>
>> Martin
>>
>> ______________________________
>>
>>
>> I tried this by replacing mythcommflag with the shell script in the
>> database but commflaging failed after this so I rolled it back
>>
>> Cheers,
>>
>> Anthony
>>
>
> I am using the following command:
>
> /home/user/mythcommflag-silence.sh -j %JOBID%
>
> and the version of the script from Lawrence Rust:
>
> http://www.softsystem.co.uk/download/mythtv/mythcommflag-silence.sh
>
> Not had any failures as yet
>
> Cheers
>
> Martin
>
> Not sure if this was what you did but I originally changed

JobQueueCommFlagCommand (from mythweb settings) from mythcommflag to
mythcommflag-silence.sh (as it also lives in /usr/bin/ )

so I should have changed this to mythcommflag-silence.sh -j %JOBID% ????

Cheers,

Anthony

moores.martin at gmail

Jun 28, 2012, 2:59 PM

Post #10 of 10 (523 views)
Permalink

Re: Commercial detection on 0.25 a bit poor? [In reply to]

On 28 June 2012 22:48, Anthony Giggins <seven [at] seven> wrote:

>
> Not sure if this was what you did but I originally changed
>
> JobQueueCommFlagCommand (from mythweb settings) from mythcommflag to
> mythcommflag-silence.sh (as it also lives in /usr/bin/ )
>
> so I should have changed this to mythcommflag-silence.sh -j %JOBID% ????
>
> Cheers,
>
> Anthony
>
> Hi Anthony,

I changed the global commercial skip command in mythtv-setup to that
command, it's under general, before the user jobs page. I imagine the
mythweb setting you mention is the same though.

Yes, you need "-j %JOBID% on the end, as this passes the jobid of whatever
recording it is initiated on to the script.

I had a panic a minute ago, as commflagging had stopped working, I then
relaised the channels in question were comm free! Duh

Cheers

Martin

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