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MediaPortal 1
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Television (MyTV frontend and TV-Server)
IPTV not working
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<blockquote data-quote="paalkr" data-source="post: 710320" data-attributes="member: 78371"><p>WOW!!!!</p><p></p><p>This is great Stepko! The DebugDoNothing filter actually print out the packets in the right sequence, but the CPU hits the roof. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite10" alt=":oops:" title="Oops! :oops:" loading="lazy" data-shortname=":oops:" /> The DebugNoLogging filter seems to work great! Timeshift and recording of one HD channel results in a CPU usage of approx 35%. Timeshifting and recording two HD channels at the same time brings the CPU up to approx 60%. The DebugProcess filter also brings the CPU to 100%, but there seems to be no packet loss.</p><p></p><p>I guess that the IPTV filter is far more demanding for the CPU than a regular DVB-x grabber card? My setup is BTW wired Cat5e Gbit to all rooms in the house, with two Gbit Dlink switches (on at each floor) for hooking up the drop cables. The Fiber connection is 100/25 Mbit, where TV uses QoS in the router provided from my ISP.</p><p></p><p>For some reason the playback of HD channels in MePo stutters slightly (on some occasions) even when the CPU is about 50%. Maybe Microsoft DTV is not the best codec, could ffdshow dxva turn out to be better. Or could there maybe still be some packet loss in the IPTV filter? The last is quit hard to find out, because the filters with logging consumes 100% CPU and therefore cannot be used to evaluate picture quality.</p><p></p><p>Anyway, lack of CPU power on the TV server seems to be the culprit. Maybe I need to set up one central TV server with some quad core CPU or something.</p><p></p><p>The good thing - the latest filter seems to work, and if there are any chances of optimizing the code, the low end TV servers would benefit from that.</p><p></p><p>Logs attached. I have not studied the packet sequences in detail, so there could still be some glitches. I guess that you could analyze that pretty easy with some text processing code or some scripting (unfortunately I don't have that kind of knowledge).</p><p></p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Edit: I'm adding a complete MePo debug log, if that could be of any help determining the reason for the stuttering playback on the HD channels. CPU is not higher than approx 40-60% (using you latest no logging filter). </p><p></p><p>Regards,</p><p>PK</p></blockquote><p></p>
[QUOTE="paalkr, post: 710320, member: 78371"] WOW!!!! This is great Stepko! The DebugDoNothing filter actually print out the packets in the right sequence, but the CPU hits the roof. :ooops: The DebugNoLogging filter seems to work great! Timeshift and recording of one HD channel results in a CPU usage of approx 35%. Timeshifting and recording two HD channels at the same time brings the CPU up to approx 60%. The DebugProcess filter also brings the CPU to 100%, but there seems to be no packet loss. I guess that the IPTV filter is far more demanding for the CPU than a regular DVB-x grabber card? My setup is BTW wired Cat5e Gbit to all rooms in the house, with two Gbit Dlink switches (on at each floor) for hooking up the drop cables. The Fiber connection is 100/25 Mbit, where TV uses QoS in the router provided from my ISP. For some reason the playback of HD channels in MePo stutters slightly (on some occasions) even when the CPU is about 50%. Maybe Microsoft DTV is not the best codec, could ffdshow dxva turn out to be better. Or could there maybe still be some packet loss in the IPTV filter? The last is quit hard to find out, because the filters with logging consumes 100% CPU and therefore cannot be used to evaluate picture quality. Anyway, lack of CPU power on the TV server seems to be the culprit. Maybe I need to set up one central TV server with some quad core CPU or something. The good thing - the latest filter seems to work, and if there are any chances of optimizing the code, the low end TV servers would benefit from that. Logs attached. I have not studied the packet sequences in detail, so there could still be some glitches. I guess that you could analyze that pretty easy with some text processing code or some scripting (unfortunately I don't have that kind of knowledge). :thx: Edit: I'm adding a complete MePo debug log, if that could be of any help determining the reason for the stuttering playback on the HD channels. CPU is not higher than approx 40-60% (using you latest no logging filter). Regards, PK [/QUOTE]
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