View Full Version : jerks in encoded video
forum king
18th December 2009, 05:13
hey folks ...
i have a windows server 2003 version , with quad core AMD and 8 GB ram..
things were fine.. tried a no of patched builds of megui and stuff..
one day out of nowhere the User interface of megui stopped working ( didnt do anything TBH at that time had just done a few installation and uninstallation a some small applications ), tried no of things but megui would be seen only in task manager but no user interface whatsoever..
so i reinstalled my windows.. but even after following the standard procedures , i am getting jerks in my encoded videos.. i tried a few samples of my previously encoded mkv files all were showing jerks ( as in when a video is played on very low memory )..
i am not able to figure out why , i have the same frame rate as the source , re encoding with a standard avisynth script nothing fancy ( as i used to do before )
could someone gimme idea whats the reason.. tried 1056 1057 1058 build , patched build from Zathor and a already backed up 1051 build as well... all showing same crap.
regards
Glenn
EDIT EDIT EDIT :
damn the issue seems to be only when the source is matroska i meam mkv encoded an avi file its playing ok :(
stax76
18th December 2009, 05:26
try VLC
forum king
18th December 2009, 05:32
try VLC
lol its playing jerky with all media players..
also i have tried playing em on diff systems as well :P
stax76
18th December 2009, 06:48
upload log file to file hoster
Inspector.Gadget
18th December 2009, 06:51
Windows Server 2003 is known to be weird in general for media playback. But, for the sake of simplicity, don't encode from an existing Matroska file. Use a known good workflow:
DVD: DGIndex -> Avisynth -> x264
Blu-ray: DGIndex (MPEG-2)/DGAVCIndex (H.264)/DSS2 (VC-1) -> Avisynth -> x264.
forum king
18th December 2009, 07:30
Windows Server 2003 is known to be weird in general for media playback. But, for the sake of simplicity, don't encode from an existing Matroska file. Use a known good workflow:
DVD: DGIndex -> Avisynth -> x264
Blu-ray: DGIndex (MPEG-2)/DGAVCIndex (H.264)/DSS2 (VC-1) -> Avisynth -> x264.
wow thanks IG and Stax for taking out time ..
see i am using it to encode only , and tried the sample in 4 diff PCs with various media players.. they all showed stuttering..
now everything was great till 2 days back ( as IG you had advised neen using zathors patched builds ).. after re installation a mkv reencode is stuttering but when i re emcoded an xvid file it came out flawless..
i am outta ideas how is that possible ..
i have .net framework
CCCP
avisynth
1051 build as well as 1058/59 builds of zathor...
i feel its windows issue.
i have tried ripping the same SOURCES that i have used before to re-encode to a smaller size.
this is what i am talking about
http://www.mediafire.com/file/3nv3nxmwmg2/stuttering.sample.mkv
Inspector.Gadget
18th December 2009, 07:48
OK, watched your sample, jerks here too.
1) What are you using to decode your Blu-ray source? Use DGAVCIndex to index and then load with DGAVCDecode. Make sure you're doing the correct pulldown option (generally "Ignore" for Blu-ray, which most of the time lacks such flags anyway).
2) Are you doing any sort of decimation in Avisynth? Post the full text of your script.
forum king
18th December 2009, 07:56
see i have these few files ripped off from Blurays ..
they are 25 to 20Gb in size and they all play well in PC ... with no issues whatsoever..
i am just trying to polish my skills so i am not ripping off from the Blurays.
DirectShowSource("D:\Glenny\samples\test.sample.1.mkv", fps=23.976, audio=false, convertfps=true)
#deinterlace
#crop
BicubicResize(1280,528,0,0.5) # Bicubic (Neutral)
Undot() # Minimal Noise
my only fetish has been to squeeze my dvds to fit with decent quality in my Ipod..
this blurays stuff is kinna new to me , but as its challenging i am kinna hooked on to it ...
initially i encoded a few HD videos taken by my brother, and he was happy , so somehow i got hooked on to this.
the above mentioed is in 720p size i think i donno , i have seen if you make a heavy resolution video with decent bits via 2 pass x264 method , and then again subject it to another 2 pass by lowing the resolution more , it gives you far better quality than converting it to low resolution with just one 2 pass cycle. so my first 2 pass is producing stutter so how can i move to my 2 nd 2 pass..
btw tried that too and still same crap
Guest
18th December 2009, 15:22
my only fetish has been to squeeze my dvds to fit with decent quality in my Ipod Then why are you talking about crappy, jerky MKVs you got somewhere?
Inspector.Gadget
18th December 2009, 23:17
fk, you're not making any sense. Please write in standard English, don't use slang, and use correct terminology. I really can't make heads or tails out of what you wrote above other than the AVS script: to which I say RIP FROM THE ORIGINAL M2TS FILES to help us with the process of elimination. We can't chase down issues when you start with a Matroska file that contains lord knows what, and we definitely can't help you with source files that you don't own or downloaded.
7ekno
21st December 2009, 06:02
DirectShowSource(...mkv)
Found you issue, DirectShowSource is not frame accurate ...
Do what was suggested (use DGIndex then DGSource to load into Avisynth) ... FFmpegsource2 will also do MKV more frame accurate than DirectShowSource() ...
Tek
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