[mythtv] [mythtv-commits] Ticket #12342: Add support for DVB-T2 for tuners that do not auto-switch
John Pilkington
J.Pilk at tesco.net
Sat Oct 3 14:12:48 UTC 2015
On 30/09/15 17:45, MythTV wrote:
> #12342: Add support for DVB-T2 for tuners that do not auto-switch
> -----------------------------------+-----------------------------
> Reporter: David Matthews <dm@…> | Owner: stuarta
> Type: Patch - Feature | Status: assigned
> Priority: minor | Milestone: 0.28
> Component: MythTV - DVB | Version: Master Head
> Severity: medium | Resolution:
> Keywords: | Ticket locked: 0
> -----------------------------------+-----------------------------
>
> Comment (by David Matthews <dm@…>):
>
> In [changeset:"02f2d5e7abd522eb5195548513b58a5f7bb6c209/mythtv"]:
> {{{
> #!CommitTicketReference repository="mythtv"
> revision="02f2d5e7abd522eb5195548513b58a5f7bb6c209"
> Support for DVB-T2 in the channel scanner. When used with a card that
> supports DVB-T2
> it adds the ability to select DVB-T/T2 when editing a transport and
> extends the full
> scan to check whether a frequency will lock with DVB-T2. It only tests
> for DVB-T2 if it
> has failed to lock with DVB-T to avoid having duplicate entries with cards
> that auto-switch
> between DVB-T and DVB-T2. It also fixes a bug where previously if a lock
> was obtained
> with an offset frequency but not with the centre frequency the entry in
> the database
> contained only the centre frequency.
>
> (cherry picked from commit 2bfbbf39cc5819bd8767baa1586d98e53abd15a2)
> Signed-off-by: Stuart Auchterlonie <stuarta at squashedfrog.net>
>
> Conflicts:
> mythtv/libs/libmythtv/cardutil.h
> mythtv/libs/libmythtv/channelscan/channelscan_sm.cpp
>
> Refs #12342
> }}}
>
> --
> Ticket URL: <https://code.mythtv.org/trac/ticket/12342#comment:9>
I have a PCTV-290e, which has used an auto-switching driver but TTBOMK
is no longer marketed. I wanted to see if this commit would affect it.
After installing the *buntu ppa build I deleted and re-enabled the 290e
'capture card' and rescanned for channels using my usual 'all known
transports+' option. The scan went fine, but T2 channels did not record
until I had manually inserted the T2 option via the transport editor.
I then deleted all transports and did a full scan. Recordings worked,
but all the qam-type entries were left as AUTO and the frequency offsets
reported were not all as expected. In the hope of getting greater
robustness I have edited-in the 'correct' values.
I get usable signals from only one transmitter, and the laptop used has
no other capture device.
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