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<blockquote data-quote="Larzon" data-source="post: 649983" data-attributes="member: 101335">Re: SAF v5.00 experimental (based on FFDShow DXVA decoder)Ah... I misunderstood earlier, I thought your MPC-HC playback was always good, and I was hoping the graphs would show an obvious difference. Graphs for MePo vs MPC-HC are a bit different, and my guess would be the MPC-HC settings cause this.&nbsp; But nothing sets off alarm bells in my mind. I don't have direct experience with MKV/x264, so hopefully the experts can have a look and give some insight.7. Since this problem affects specific files in both players, try playing these files in VLC (VideoLAN player) to help verify they are good. VLC has internal codecs as I understand. (We want to rule out the files being corrupted.)&nbsp; If VLC plays these smoothly, then proceed with troubleshooting.8. Try playing the files directly from GraphStudio: File &gt; Render Media File... &gt; (choose your MKV file) &gt; PlayIf this has stuttering, you know the problem is not with the player (MePo or MPC). Need to delve further into codec or renderer or hardware.Regarding hardware, interesting that the MP diagnostic screens actually look OK.&nbsp; When I was troubleshooting stuttering issues (with TS/MPEG2 content) there were tons of dropped frames and the Actual frame rate was noticeably lower than the Display framerate. Your screens do not show such signs of hardware choking. And your loads don't seem to be high. (Although I don't know how to assess GPU load -- maybe GPU-Z utility is better?)9. That said, is your GPU driver up to date?</blockquote>

[QUOTE="Larzon, post: 649983, member: 101335"] [b]Re: SAF v5.00 experimental (based on FFDShow DXVA decoder)[/b] Ah... I misunderstood earlier, I thought your MPC-HC playback was always good, and I was hoping the graphs would show an obvious difference. Graphs for MePo vs MPC-HC are a bit different, and my guess would be the MPC-HC settings cause this. But nothing sets off alarm bells in my mind. I don't have direct experience with MKV/x264, so hopefully the experts can have a look and give some insight. 7. Since this problem affects specific files in both players, try playing these files in VLC (VideoLAN player) to help verify they are good. VLC has internal codecs as I understand. (We want to rule out the files being corrupted.) If VLC plays these smoothly, then proceed with troubleshooting. 8. Try playing the files directly from GraphStudio: File > Render Media File... > (choose your MKV file) > Play If this has stuttering, you know the problem is [I]not[/I] with the player (MePo or MPC). Need to delve further into codec or renderer or hardware. Regarding hardware, interesting that the MP diagnostic screens actually look OK. When I was troubleshooting stuttering issues (with TS/MPEG2 content) there were tons of dropped frames and the Actual frame rate was noticeably lower than the Display framerate. Your screens do not show such signs of hardware choking. And your loads don't seem to be high. (Although I don't know how to assess GPU load -- maybe GPU-Z utility is better?) 9. That said, is your GPU driver up to date? [/QUOTE]

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