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MediaPortal 1
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Codecs, External Players
Micro stuttering (judder) with hd2600xt HW accelerated H.264
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<blockquote data-quote="pnyberg" data-source="post: 214835" data-attributes="member: 24255"><p>Well some updates on my Vista experiences...</p><p>Just did an in place upgrade of my XP SP2. When finished I noticed 100% CPU usage on one CPU core (Having X2 4200+). And everything I played was stuttering - both SD and H.264. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad :mad:" loading="lazy" data-shortname=":mad:" /> </p><p></p><p>So did google for this error for days to no avail.... I finally downloaded the process explorer from MS/sysinternals - and finally got a clue to what is was. It reported that 49% CPU (100% 1 core) was Hardware Interrupts. I finally nailed it down to the onboard Audio Controller on the HD2600. Since I already have an Audio Card I disabled the </p><p>audio controller on the HD2600 card. The tricky part was that the audio controller did not show up in the usual place in the device manager (under Sound & Game devices) but under the "System devices" - that is shy I didn't notice it in the first place...</p><p></p><p>After that I can report that the micro stuttering is gone with H.264 and with HW accelerated (using EVR), definitely an improvement over XP SP2.</p><p></p><p>But still... having slight stutter when enabling AC3 audio (using SPDIF out only) - but that is related to the Sound Card I believe... Anyone seen this perhaps?</p><p></p><p>Also having issues when playing DVD or movies - MP can't create graph just now - according to the log it seems it has problem connecting the audio pins or something - will need to investigate this further. (For info, it works good in WMP11 and PowerDVD so it is definitely some MP/Codec issue..).</p><p></p><p>Will mark this thread as fixed - (even if it is a workaround to upgrade to Vista imo).</p></blockquote><p></p>
[QUOTE="pnyberg, post: 214835, member: 24255"] Well some updates on my Vista experiences... Just did an in place upgrade of my XP SP2. When finished I noticed 100% CPU usage on one CPU core (Having X2 4200+). And everything I played was stuttering - both SD and H.264. :mad: So did google for this error for days to no avail.... I finally downloaded the process explorer from MS/sysinternals - and finally got a clue to what is was. It reported that 49% CPU (100% 1 core) was Hardware Interrupts. I finally nailed it down to the onboard Audio Controller on the HD2600. Since I already have an Audio Card I disabled the audio controller on the HD2600 card. The tricky part was that the audio controller did not show up in the usual place in the device manager (under Sound & Game devices) but under the "System devices" - that is shy I didn't notice it in the first place... After that I can report that the micro stuttering is gone with H.264 and with HW accelerated (using EVR), definitely an improvement over XP SP2. But still... having slight stutter when enabling AC3 audio (using SPDIF out only) - but that is related to the Sound Card I believe... Anyone seen this perhaps? Also having issues when playing DVD or movies - MP can't create graph just now - according to the log it seems it has problem connecting the audio pins or something - will need to investigate this further. (For info, it works good in WMP11 and PowerDVD so it is definitely some MP/Codec issue..). Will mark this thread as fixed - (even if it is a workaround to upgrade to Vista imo). [/QUOTE]
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Micro stuttering (judder) with hd2600xt HW accelerated H.264
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