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MediaPortal 1
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Timeshifting hardware requirements - Server vs Client?
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<blockquote data-quote="mm1352000" data-source="post: 1084508" data-attributes="member: 82144"><p>Hello Al</p><p></p><p></p><p>On the server side the main load is usually on the HDD. The stream from the tuner is written to the HDD by the server and read by the client(s). The more streams you timeshift/record simultaneously, the higher the load on the HDD. This is why some people favour RAM disks (or in some cases SSDs - not recommended unless you know the consequences) for timeshifting over a traditional HDD.</p><p>If you're decrypting channels in software then you'd also have load on the CPU to consider, but otherwise there is no concept of "decoding" on the server side.</p><p></p><p>On the client side you have to decode and display the video + audio. This is usually a much bigger load than the server load. The video load is on the GPU if you have hardware accelerated video decoding support (DXVA) in the GPU hardware, GPU driver and video codec (decoder); otherwise the CPU has to do the work.</p><p></p><p></p><p>Your AMD E-350 / 6310 can only usually decode 1080i/p if it uses the GPU. In other words it could be "okay" (not great) as a client as long as you ensure you use codecs with DXVA (LAV, ffdshow, Cyberlink, Microsoft DTV-DVD etc.). If you don't you'll find the video stutters as frames are dropped etc. etc. etc.</p><p></p><p></p><p>As above: I think you should be more concerned about the client than the server. Timeshifting just involves buffering the stream on the HDD. Not a big deal unless you're trying to do it with lots of streams simultaneously and/or on old/slow/full HDDs and/or while other HDD-intensive processes (eg. virus scanning) are running.</p><p></p><p>mm</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1084508, member: 82144"] Hello Al On the server side the main load is usually on the HDD. The stream from the tuner is written to the HDD by the server and read by the client(s). The more streams you timeshift/record simultaneously, the higher the load on the HDD. This is why some people favour RAM disks (or in some cases SSDs - not recommended unless you know the consequences) for timeshifting over a traditional HDD. If you're decrypting channels in software then you'd also have load on the CPU to consider, but otherwise there is no concept of "decoding" on the server side. On the client side you have to decode and display the video + audio. This is usually a much bigger load than the server load. The video load is on the GPU if you have hardware accelerated video decoding support (DXVA) in the GPU hardware, GPU driver and video codec (decoder); otherwise the CPU has to do the work. Your AMD E-350 / 6310 can only usually decode 1080i/p if it uses the GPU. In other words it could be "okay" (not great) as a client as long as you ensure you use codecs with DXVA (LAV, ffdshow, Cyberlink, Microsoft DTV-DVD etc.). If you don't you'll find the video stutters as frames are dropped etc. etc. etc. As above: I think you should be more concerned about the client than the server. Timeshifting just involves buffering the stream on the HDD. Not a big deal unless you're trying to do it with lots of streams simultaneously and/or on old/slow/full HDDs and/or while other HDD-intensive processes (eg. virus scanning) are running. mm [/QUOTE]
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