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5111: Parallel DVB EPG
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<blockquote data-quote="CyberSimian" data-source="post: 1274954" data-attributes="member: 141969"><p>I have been experimenting with the modified DLLs, and will post some results later this week. But in this post I want to make a couple of comments about the user interface:</p><p></p><p>(1) Neither of us is an expert in the various EPGs available via DVB-T around the world. Because of this, if we make any changes to "TV Server", it is important that we do not make a change that will cause problems for users in countries that have DVB-T EPG systems that are organised differently from France or the UK. Hence I had expected to see a new "TV Server" setting in the idle-grabber section called something like:</p><p><strong>Maximum number of tuners to use concurrently for EPG grabbing</strong></p><p></p><p>The default for this setting would be 1, which means that there should be no change from behaviour in previous releases. But users who live in countries that can benefit from multiple EPG grabbers (and whose HTPCs are capable of sustaining the extra load) could specify a value greater than 1.</p><p></p><p>Elsewhere in "TV Server Config", the value 0 is used to denote "all that are available". As there is already an enable/disable setting for the idle grabber, I would suggest that the new setting should accept 0 to mean "use all available tuners".</p><p></p><p>(2) It is not immediately obvious to me what the new <strong>Prefer lowest priority card</strong> setting should be used for. With the current implementation, EPG grabbing is always lowest priority, so if a tuner is needed to start a recording, but none is available, the EPG grabbing is stopped so that the tuner can be used for the recording instead. So it seems to me that it does not matter whether the EPG grabber uses the highest priority tuner, or the lowest priority tuner, or some other priority tuner.</p><p></p><p>In experimenting with this, I notice that:</p><ul> <li data-xf-list-type="ul">If this setting is <strong>disabled</strong>, TV Server uses only one tuner, starting with the highest priority tuner. </li> <li data-xf-list-type="ul">If this setting is <strong>enabled</strong>, TV Server uses all tuners, starting with the lowest priority tuner.</li> </ul><p>So this setting performs some of the function that I suggested in my previous point.</p><p></p><p>What use case did you have in mind for this setting? If we want to retain it, I think that the control of the number of tuners used should be moved to a separate setting, so that it is clear what each setting does.</p><p></p><p>-- from CyberSimian in the UK</p></blockquote><p></p>
[QUOTE="CyberSimian, post: 1274954, member: 141969"] I have been experimenting with the modified DLLs, and will post some results later this week. But in this post I want to make a couple of comments about the user interface: (1) Neither of us is an expert in the various EPGs available via DVB-T around the world. Because of this, if we make any changes to "TV Server", it is important that we do not make a change that will cause problems for users in countries that have DVB-T EPG systems that are organised differently from France or the UK. Hence I had expected to see a new "TV Server" setting in the idle-grabber section called something like: [b]Maximum number of tuners to use concurrently for EPG grabbing[/b] The default for this setting would be 1, which means that there should be no change from behaviour in previous releases. But users who live in countries that can benefit from multiple EPG grabbers (and whose HTPCs are capable of sustaining the extra load) could specify a value greater than 1. Elsewhere in "TV Server Config", the value 0 is used to denote "all that are available". As there is already an enable/disable setting for the idle grabber, I would suggest that the new setting should accept 0 to mean "use all available tuners". (2) It is not immediately obvious to me what the new [b]Prefer lowest priority card[/b] setting should be used for. With the current implementation, EPG grabbing is always lowest priority, so if a tuner is needed to start a recording, but none is available, the EPG grabbing is stopped so that the tuner can be used for the recording instead. So it seems to me that it does not matter whether the EPG grabber uses the highest priority tuner, or the lowest priority tuner, or some other priority tuner. In experimenting with this, I notice that: [LIST] [*]If this setting is [b]disabled[/b], TV Server uses only one tuner, starting with the highest priority tuner. [*]If this setting is [b]enabled[/b], TV Server uses all tuners, starting with the lowest priority tuner. [/LIST] So this setting performs some of the function that I suggested in my previous point. What use case did you have in mind for this setting? If we want to retain it, I think that the control of the number of tuners used should be moved to a separate setting, so that it is clear what each setting does. -- from CyberSimian in the UK [/QUOTE]
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