[mythtv] HDHomeRun lineup.json for ATSC

[Scott T]

On 9/27/21 1:28 PM, Klaas de Waal wrote:
> I have been experimenting a bit with the ExternalRecorder of MythTV 
> together with the mythhdhrrecorder "MythTV External Recorder for the 
> SiliconDust HDHR tuners" of Gary Buhrmaster. This combination makes it 
> possible to record from the HDHomeRun using the HTTP interface.
> The HTTP interface is what is recommended to use by SiliconDust and it 
> is the only interface with which ATSC-3.0 channels can be received.

As I understand it, mythhdhrrecorder does not currently support 
multirec. However, you should be able to get the entire (non ATSC 3) 
stream with 
https://info.hdhomerun.com/info/http_api#channel_frequency_instead_of_vchannel 
<https://info.hdhomerun.com/info/http_api#channel_frequency_instead_of_vchannel>

Although it doesn’t mention it there, I think you can also use /ch<N> 
e.g. /ch13 for RF channel 13, assuming the channelmap is set.

> For DVB I have now fixed the channel scan; this means that 
> mythtv-setup can, via the mythhdhrrecorder, import the channel list of 
> the HDHomeRun. Which is far more convenient than manually entering the 
> HDHomeRun channel list with mythtv-setup.
> It would be great if this would work not only for DVB but also for 
> ATSC. However, I do expect that the channel list for ATSC does have a 
> different format than the channel list for DVB.
>
> So the question is: can somebody with an ATSC HDHomeRun please capture 
> the lineup (the result of http:<ip_address>/lineup.json) and post that 
> here?

See attached (HDHR4-2US).

I was thinking about changing the HDHomeRun code so you don’t have to 
duplicate a capture card per tuner, but I’m working on other things 
first so I haven't investigated it yet.
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