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<blockquote data-quote="RoChess" data-source="post: 1040291" data-attributes="member: 18896"><p>Yes, LAV is not multi-thread friendly, which is were the problem originates from.</p><p> </p><p>Solutions are to A) use a mult-thread friendly codec or B) limit the codec threads to just one.</p><p> </p><p>The problem for B is that eventually you run out of options you can adjust or loose other features. For example you can disable thumbnail generations easy, but disabling MediaInfo kills other function that can be useful.</p><p> </p><p>I did notice however that MediaInfo v1.5.0 goes about things really weird. When playback starts I see the MediaInfo handler is called 3x and that is rediculous imho. On my new HTPC I have found a small delay in some situations, but that is because the HDD holding the content has gone to sleep and needs time to spin back up again. Perhaps MP-TVSeries can be expanded to the point that when you enter a series that has content on a HDD that is asleep that it already tries to wake the drive up, so by the time you push play on the actual episode the drive is already 'ready'. @[USER=114277]adspence[/USER], could it be that this is also a main reason for your delay? Especially a NAS going to sleep along with the MediaInfo delay, compounded with a non-multi-thread codec such as LAV can build up to extensive delays. There is already a plugin available that can wake a NAS up when you are using MediaPortal, so that could benefit you then if that is your situation.</p><p> </p><p>I'm personally doing extensive testing with a Kill-A-Watt meter to see if there are any benefits to putting drives to sleep at all. From a lifetime perspective it has actually shown it might negativly impact lifespan if you stop/start drives a lot. My testing purpose is mainly for economical reasons on power bill (and to small extend noise). HDDs do have a low power usage, but when you have a ton of them inside a system it adds up quick, especially when you are like me and have HTPC running 24/7. Of course it will require me a full month of testing each scenario properly, and I have 5 scenarios to test, so I won't know the pro/cons for a long time.</p></blockquote><p></p>
[QUOTE="RoChess, post: 1040291, member: 18896"] Yes, LAV is not multi-thread friendly, which is were the problem originates from. Solutions are to A) use a mult-thread friendly codec or B) limit the codec threads to just one. The problem for B is that eventually you run out of options you can adjust or loose other features. For example you can disable thumbnail generations easy, but disabling MediaInfo kills other function that can be useful. I did notice however that MediaInfo v1.5.0 goes about things really weird. When playback starts I see the MediaInfo handler is called 3x and that is rediculous imho. On my new HTPC I have found a small delay in some situations, but that is because the HDD holding the content has gone to sleep and needs time to spin back up again. Perhaps MP-TVSeries can be expanded to the point that when you enter a series that has content on a HDD that is asleep that it already tries to wake the drive up, so by the time you push play on the actual episode the drive is already 'ready'. @[USER=114277]adspence[/USER], could it be that this is also a main reason for your delay? Especially a NAS going to sleep along with the MediaInfo delay, compounded with a non-multi-thread codec such as LAV can build up to extensive delays. There is already a plugin available that can wake a NAS up when you are using MediaPortal, so that could benefit you then if that is your situation. I'm personally doing extensive testing with a Kill-A-Watt meter to see if there are any benefits to putting drives to sleep at all. From a lifetime perspective it has actually shown it might negativly impact lifespan if you stop/start drives a lot. My testing purpose is mainly for economical reasons on power bill (and to small extend noise). HDDs do have a low power usage, but when you have a ton of them inside a system it adds up quick, especially when you are like me and have HTPC running 24/7. Of course it will require me a full month of testing each scenario properly, and I have 5 scenarios to test, so I won't know the pro/cons for a long time. [/QUOTE]
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