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MediaPortal 1
Area 51 - Testing Area
CableCARD tuner support for MediaPortal 1
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<blockquote data-quote="mm1352000" data-source="post: 1022999" data-attributes="member: 82144"><p>Hmmm, okay I think I'm starting to get the picture...</p><p> </p><p>First with the channel 2 thing (because it is easier <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /> ): that is a bug. Now fixed, updated TVLibrary attached. Please test. [edit: to be clear, I mean you'll need to rescan according to the details below]</p><p> </p><p>With the channel info...</p><p>This is exactly the kind of info you'd get if you were using a CableCARD tuner.</p><p>There is info available for 91 channels. It looks like that covers WOW's "basic cable" lineup.</p><p>Unfortunately WOW only seem to be broadcasting the info on physical channels that carry one or more of the basic lineup channels. In other words:</p><ul> <li data-xf-list-type="ul">the info is available on physical channel 32 because it carries Comcast SportsNet Chicago (QAM channel 32-65), which is part of the basic lineup</li> <li data-xf-list-type="ul">the info is not available on physical channel 34 because it carries "basic with digital or ultra TV" or "signature" cable channels</li> </ul><p>Make sense?</p><p> </p><p>So, in order for you to make the most of this information...</p><p>When scanning cable (SCTE):</p><ul> <li data-xf-list-type="ul">use tuning mode "Clear QAM Cable"</li> <li data-xf-list-type="ul">use frequency plan "QAM standard"</li> <li data-xf-list-type="ul">set SDT/VCT timeout to 120</li> <li data-xf-list-type="ul">scan up to channel 32</li> </ul><p>When scanning OTA (ATSC):</p><ul> <li data-xf-list-type="ul">use tuning mode "ATSC Digital Terrestrial"</li> <li data-xf-list-type="ul">set SDT/VCT timeout to 10 or 20 seconds or whatever your preference is</li> <li data-xf-list-type="ul">do a full scan</li> </ul><p>Comparing the previous best cable scan results with this new approach:</p><ul> <li data-xf-list-type="ul">New approach will take about 18 minutes. That is a smidge quicker than the previous full cable scan which took roughly 21 minutes.</li> <li data-xf-list-type="ul">You get all the channel names and numbers with the new approach.</li> <li data-xf-list-type="ul">The channel numbers received with the new approach are not the QAM channel numbers (like x-y)... but that is better, right?</li> <li data-xf-list-type="ul">With a full scan you do get all the "Unknown..." placeholders for the signature cable channels. Previously that would take 21 minutes. Now I estimate it would take over 3 hours. However, since you can't watch those "premium" channels with a clear QAM tuner that is probably unnecessary, right?</li> </ul><p></p><p>Although it is really awesome that you're now getting this channel info, the challenge from my perspective is to make grabbing it even more efficient. By that I mean theoretically you should be able to scan <strong>only</strong> channel 32 and have the lineup info that you care about in 2 minutes rather than ~20. Problem is that "magic" channel 32 will be different for other people, and it is not optimal to have to know how to deal with the SDT/VCT timeout setting. I want it to "just work". I'll have to think really hard about what we can do to have better automatic configuration. Note I'm thinking more in the long term (ie. next generation TV engine) - there is no quick and easy solution.</p><p> </p><p>mm</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1022999, member: 82144"] Hmmm, okay I think I'm starting to get the picture... First with the channel 2 thing (because it is easier ;) ): that is a bug. Now fixed, updated TVLibrary attached. Please test. [edit: to be clear, I mean you'll need to rescan according to the details below] With the channel info... This is exactly the kind of info you'd get if you were using a CableCARD tuner. There is info available for 91 channels. It looks like that covers WOW's "basic cable" lineup. Unfortunately WOW only seem to be broadcasting the info on physical channels that carry one or more of the basic lineup channels. In other words: [LIST] [*]the info is available on physical channel 32 because it carries Comcast SportsNet Chicago (QAM channel 32-65), which is part of the basic lineup [*]the info is not available on physical channel 34 because it carries "basic with digital or ultra TV" or "signature" cable channels [/LIST] Make sense? So, in order for you to make the most of this information... When scanning cable (SCTE): [LIST] [*]use tuning mode "Clear QAM Cable" [*]use frequency plan "QAM standard" [*]set SDT/VCT timeout to 120 [*]scan up to channel 32 [/LIST] When scanning OTA (ATSC): [LIST] [*]use tuning mode "ATSC Digital Terrestrial" [*]set SDT/VCT timeout to 10 or 20 seconds or whatever your preference is [*]do a full scan [/LIST] Comparing the previous best cable scan results with this new approach: [LIST] [*]New approach will take about 18 minutes. That is a smidge quicker than the previous full cable scan which took roughly 21 minutes. [*]You get all the channel names and numbers with the new approach. [*]The channel numbers received with the new approach are not the QAM channel numbers (like x-y)... but that is better, right? [*]With a full scan you do get all the "Unknown..." placeholders for the signature cable channels. Previously that would take 21 minutes. Now I estimate it would take over 3 hours. However, since you can't watch those "premium" channels with a clear QAM tuner that is probably unnecessary, right? [/LIST] Although it is really awesome that you're now getting this channel info, the challenge from my perspective is to make grabbing it even more efficient. By that I mean theoretically you should be able to scan [B]only[/B] channel 32 and have the lineup info that you care about in 2 minutes rather than ~20. Problem is that "magic" channel 32 will be different for other people, and it is not optimal to have to know how to deal with the SDT/VCT timeout setting. I want it to "just work". I'll have to think really hard about what we can do to have better automatic configuration. Note I'm thinking more in the long term (ie. next generation TV engine) - there is no quick and easy solution. mm [/QUOTE]
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