Mailing List Archive: MythTV: Users

auto transcoding some recordings

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llcooljeff at gmail

May 17, 2005, 3:24 PM

Post #1 of 9 (850 views)
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*auto transcoding some* recordings**

Is it possible to set up some recordings (from a PVR-350) to
automatically re-transcode, but have that setting not affect the other
recordings? Some shows I like to record and transcode so it's easy to
put them on a laptop or download them from myself, but others I like
to keep full quality and save to dvd.

Any idea how to do this? I'm looking through the setup and haven't
found anything, yet.

--
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jarod at wilsonet

May 17, 2005, 3:27 PM

Post #2 of 9 (850 views)
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*Re: auto transcoding some* recordings** [In reply to]

On Tuesday 17 May 2005 15:24, Jeff Simpson wrote:
> Is it possible to set up some recordings (from a PVR-350) to
> automatically re-transcode, but have that setting not affect the other
> recordings? Some shows I like to record and transcode so it's easy to
> put them on a laptop or download them from myself, but others I like
> to keep full quality and save to dvd.
>
> Any idea how to do this? I'm looking through the setup and haven't
> found anything, yet.

Look harder. :-)

The short version is: for the stuff you want to transcode, set up a recording
profile that is set to auto-transcode, then set up that recording to use the
profile you just set up.

--
Jarod Wilson
jarod [at] wilsonet

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rtsai1111 at comcast

May 17, 2005, 3:29 PM

Post #3 of 9 (845 views)
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*Re: auto transcoding some* recordings** [In reply to]

On Tue, May 17, 2005 at 06:24:30PM -0400, Jeff Simpson wrote:
> Is it possible to set up some recordings (from a PVR-350) to
> automatically re-transcode, but have that setting not affect the
> other recordings? Some shows I like to record and transcode so it's
> easy to put them on a laptop or download them from myself, but
> others I like to keep full quality and save to dvd.
>
> Any idea how to do this? I'm looking through the setup and haven't
> found anything, yet.

Can't you set up your shows on different recording profiles, and set
up the recording profiles' "automatically transcode" checkbox?

--Rob

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llcooljeff at gmail

May 17, 2005, 5:44 PM

Post #4 of 9 (830 views)
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*Re: auto transcoding some* recordings** [In reply to]

On 5/17/05, Robert Tsai <rtsai1111 [at] comcast> wrote:
> On Tue, May 17, 2005 at 06:24:30PM -0400, Jeff Simpson wrote:
> > Is it possible to set up some recordings (from a PVR-350) to
> > automatically re-transcode, but have that setting not affect the
> > other recordings? Some shows I like to record and transcode so it's
> > easy to put them on a laptop or download them from myself, but
> > others I like to keep full quality and save to dvd.
> >
> > Any idea how to do this? I'm looking through the setup and haven't
> > found anything, yet.
>
> Can't you set up your shows on different recording profiles, and set
> up the recording profiles' "automatically transcode" checkbox?

is that all that needs to be done? I thought there would be options
for HOW to transcode it. From what I can tell:

Recording Profile -> Create New
I type in a name, I pick MPEG2 - PVR as the card type
it then makes me pick one of (Default, Live TV, High Quality, Low
Quality) - I'm not clear as to what this means, so I just pick Default
for now
This section has the option for "Automatically transcode"
I can pick the new size, but under "codec" it doesn't allow me to
change the type to anything but MPEG-2 Hardware Encoder
Same thing on the next page, and then it kicks me back to pick the
type of recording (Default, Live TV, High Quality, Low Quality)

Under the recording profile "transcoder", there are more options for
transcoding, it seems. Can somebody point me at the part I'm missing?
I'm sure it's something simple, probably just in how I'm reading all
this

- Jeff

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llcooljeff at gmail

May 17, 2005, 5:52 PM

Post #5 of 9 (848 views)
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*Re: auto transcoding some* recordings** [In reply to]

While I'm asking:

What is the difference between a Recording Group, Recording Profile,
and Profile Group?

Thanks

- Jeff

On 5/17/05, Jeff Simpson <llcooljeff [at] gmail> wrote:
> On 5/17/05, Robert Tsai <rtsai1111 [at] comcast> wrote:
> > On Tue, May 17, 2005 at 06:24:30PM -0400, Jeff Simpson wrote:
> > > Is it possible to set up some recordings (from a PVR-350) to
> > > automatically re-transcode, but have that setting not affect the
> > > other recordings? Some shows I like to record and transcode so it's
> > > easy to put them on a laptop or download them from myself, but
> > > others I like to keep full quality and save to dvd.
> > >
> > > Any idea how to do this? I'm looking through the setup and haven't
> > > found anything, yet.
> >
> > Can't you set up your shows on different recording profiles, and set
> > up the recording profiles' "automatically transcode" checkbox?
>
> is that all that needs to be done? I thought there would be options
> for HOW to transcode it. From what I can tell:
>
> Recording Profile -> Create New
> I type in a name, I pick MPEG2 - PVR as the card type
> it then makes me pick one of (Default, Live TV, High Quality, Low
> Quality) - I'm not clear as to what this means, so I just pick Default
> for now
> This section has the option for "Automatically transcode"
> I can pick the new size, but under "codec" it doesn't allow me to
> change the type to anything but MPEG-2 Hardware Encoder
> Same thing on the next page, and then it kicks me back to pick the
> type of recording (Default, Live TV, High Quality, Low Quality)
>
> Under the recording profile "transcoder", there are more options for
> transcoding, it seems. Can somebody point me at the part I'm missing?
> I'm sure it's something simple, probably just in how I'm reading all
> this
>
> - Jeff
>
> --
> email me if you want a gmail invite, I have some invites
>

--
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rtsai1111 at comcast

May 17, 2005, 6:03 PM

Post #6 of 9 (842 views)
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*Re: auto transcoding some* recordings** [In reply to]

On Tue, May 17, 2005 at 08:44:58PM -0400, Jeff Simpson wrote:
> On 5/17/05, Robert Tsai <rtsai1111 [at] comcast> wrote:
> > On Tue, May 17, 2005 at 06:24:30PM -0400, Jeff Simpson wrote:
> > > Is it possible to set up some recordings (from a PVR-350) to
> > > automatically re-transcode, but have that setting not affect the
> > > other recordings? Some shows I like to record and transcode so
> > > it's easy to put them on a laptop or download them from myself,
> > > but others I like to keep full quality and save to dvd.
> > >
> > > Any idea how to do this? I'm looking through the setup and
> > > haven't found anything, yet.
> >
> > Can't you set up your shows on different recording profiles, and
> > set up the recording profiles' "automatically transcode" checkbox?
>
> is that all that needs to be done? I thought there would be options
> for HOW to transcode it. From what I can tell:
>
> Recording Profile -> Create New I type in a name, I pick MPEG2 - PVR
> as the card type it then makes me pick one of (Default, Live TV,
> High Quality, Low Quality) - I'm not clear as to what this means, so
> I just pick Default for now

They all start out with the same values when you initially install
MythTV. It is meant for you to tweak the settings later on for making
disk-space/quality trade-offs.

> This section has the option for "Automatically transcode" I can pick
> the new size, but under "codec" it doesn't allow me to change the
> type to anything but MPEG-2 Hardware Encoder Same thing on the next
> page, and then it kicks me back to pick the type of recording
> (Default, Live TV, High Quality, Low Quality)

Depending on your capture card, that is correct. I guess some cards
allow you to encode to a variety of codecs (MPEG-4/RTjpeg, etc.).

> Under the recording profile "transcoder", there are more options for
> transcoding, it seems. Can somebody point me at the part I'm
> missing? I'm sure it's something simple, probably just in how I'm
> reading all this

The "automatically transcode" will pick the transcoder based on how
your recording was captured. In your case, since everything is getting
captured and encoded to MPEG-2, you will be using the "From MPEG-2"
transcoder.

--Rob

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rtsai1111 at comcast

May 17, 2005, 6:05 PM

Post #7 of 9 (851 views)
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*Re: auto transcoding some* recordings** [In reply to]

On Tue, May 17, 2005 at 08:52:07PM -0400, Jeff Simpson wrote:
> What is the difference between a Recording Group, Recording Profile,
> and Profile Group?

Recording Group - I believe this is just a way for you to categorize
your recordings to make navigation easier. For example, in MythWeb,
you can sort your recordings by "Recording Group" (e.g., Movies,
Cooking, Crime).

Recording Profile - settings for how your recordings eventually end up
on disk. This is where you set up your quality settings based on your
desired quality/disk-space requirements.

Profile Group - I don't know, since I only have one, but I think you
get one Profile Group per capture card in the system, plus a
"Transcoders" group for transcoding.

--Rob

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llcooljeff at gmail

May 17, 2005, 6:16 PM

Post #8 of 9 (825 views)
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*Re: auto transcoding some* recordings** [In reply to]

> > Under the recording profile "transcoder", there are more options for
> > transcoding, it seems. Can somebody point me at the part I'm
> > missing? I'm sure it's something simple, probably just in how I'm
> > reading all this
>
> The "automatically transcode" will pick the transcoder based on how
> your recording was captured. In your case, since everything is getting
> captured and encoded to MPEG-2, you will be using the "From MPEG-2"
> transcoder.
>
> --Rob

Oh, I see - there's no way to pick what type of transcoding to do?

If this is the case, does that mean that I have to assign one of
(Default, High Quality, Low Quality, Live TV) to be the automatic
transcode case? There's no way to assign that trait to a recording
group?

Should I not be adding a Profile Group at all, if that is the case?
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rtsai1111 at comcast

May 17, 2005, 6:40 PM

Post #9 of 9 (830 views)
Permalink

*Re: auto transcoding some* recordings** [In reply to]

On Tue, May 17, 2005 at 09:16:49PM -0400, Jeff Simpson wrote:
> > > Under the recording profile "transcoder", there are more options
> > > for transcoding, it seems. Can somebody point me at the part I'm
> > > missing? I'm sure it's something simple, probably just in how
> > > I'm reading all this
> >
> > The "automatically transcode" will pick the transcoder based on
> > how your recording was captured. In your case, since everything is
> > getting captured and encoded to MPEG-2, you will be using the
> > "From MPEG-2" transcoder.
>
> Oh, I see - there's no way to pick what type of transcoding to do?

Well, that is where you configure the transcoder. If you go into the
"From MPEG-2" transcoder, you get some more choices about codec,
bitrate, etc.

> If this is the case, does that mean that I have to assign one of
> (Default, High Quality, Low Quality, Live TV) to be the automatic
> transcode case?

Well, you could assign *two* of them ...

> There's no way to assign that trait to a recording group?

Currently, no.

> Should I not be adding a Profile Group at all, if that is the case?

I don't know what adding "Profile Groups" is for; I've always thought
that you get one group per capture card. But I don't know for sure,
because I only have one kind of capture card (HD-3000).

--Rob

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