Please help. I have the latest version of Staxrip and Avisyinth+ with it. I saw a preview of my video and I personally think that mClean does a great job, but when it starts to encode the 2 pass it crashes. I don't know how to fix it. If there is a better denosing algorithm please tell, but I do prefer mClean right now.
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Is there an error message?
Check the log file for messages
Are you computer temperatures ok ? overheating ?
Does it encode ok without mclean ? -
It encodes just fine without the mClean filter and no my computer doesn't get hot. Here's a screenshot of the error message. Just to clarify this was just a test so I could show you guys the error message. My actually video is 30 minutes while this was 2 seconds.
[Attachment 49911 - Click to enlarge] -
Can you post the actual log file ? There should be more information. It should be a text file somewhere
That error message is for the 2nd pass. That suggests the 1st pass completed - If that's true, then mClean isn't the problem -
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It looks like the wrong log . This one uses x265, and it completes the 2nd pass
Code:Video encoding second pass using x265 3.1+11-de920e0 Wolfberry . . . encoded 101 frames in 31.39s (3.22 fps), 10395.64 kb/s, Avg QP:23.65
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https://forum.videohelp.com/attachment.php?attachmentid=49915&stc=1&d=1566680390
I did some test with x265.
This one should be with x264 -
I'm sorry i'm really new to all of this. wait a little bit and I'll find one
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https://forum.videohelp.com/attachment.php?attachmentid=49916&stc=1&d=1566681495
I cut the video to 10 seconds. This video was originally 30 minutes, but it still fails with mClean -
I don't know .
The 1st pass doesn't complete. I've never seen the "bad sequence header magic" error . There is some issue before x264 gets the data. It doesn't make sense because other encodes complete using the same tool chain
Code:avs2pipemod[info]: writing 476 frames of 50/1 fps, 1920x1080, sar 0:0, YUV-420-planar-8bit progressive video. y4m [error]: bad sequence header magic x264 [error]: could not open input file `-'
Take "D:\Videos\Klods Hans\VTS_01_1_temp\VTS_01_1.avs" , and open that in vdub2 . Scrub through the timeline and check if there are any error message
Code:MPEG2Source("D:\Videos\Klods Hans\VTS_01_1_temp\VTS_01_1.d2v") QTGMC(Preset = "Medium") mClean() nnedi3_rpow2(rfactor=2,cshift="lanczosresize",fwidth=1920,fheight=1080) Trim(0, 475)
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I don't remember having seen 'bad sequence header magic' before. For 8 bit input you can disable the piping tool in the x264 options Other tab, x264 supports 8 bit avs input, no need for piping in this case. I just recently made avs2pipemod the default in 2.0.3.0 because x264 don't support 10 bit input, it only supports 8 bit and 16 bit input. Alternatively to no piping tool and avs2pipemod you can also choose ffmpeg as piping tool, like avs2pipemod this supports both 8 bit and 10 bit input.
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I don't know what the piping toll is and it is not in the other tab or maybe it has a different name.
I just think it's weird that mClean is what is causing it. Tried it without and it works just fine -
It works ok with mclean for me, using avs+ r2772 , avs2pipemod64 1.1.1 , same script on a PAL source like yours, just using the commandline to x264 r2935
Maybe issues with that specific x264 binary -
I'm gonna keep trying to fix it, but if there is a better denoising algorithm, then please tell. Because it doesn't have to me mClean, unless that is one of the best denosing algorithms.
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Have you tried the script in Virtualdub2 to see if it works properly (this was already suggested by poisondeathray above)
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Virtualdub2 will open the script via avifile api just like the staxrip preview, the staxrip preview adds converttorgb and convertbits 8
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I tried running the script in virtualdub2 and It seemed to work fine.
But bigger news is that the mClean filter seems to work with the "Quality" preset on staxrip. I used 2 pass before
2 pass only works sometimes with the mClean filter. I'm not sure why. I'm guessing it's fine to just use the "Quality" preset as it seems it does as good as 2 pass, but I could be wrong. -
2 pass is as good as crf right?
Because I've heard some people say it is and others say it isn't. -
If the resulting bitrate of the CRF encode is similar to that of the 2-pass encode, then the quality will also be very similar. Of course, there's no way to know that in advance. But, unless you really need a specific filesize for your result, better might be to make a quality-based encode.
If this mClean doesn't work well in StaxRip, why not try a different denoiser?Last edited by manono; 25th Aug 2019 at 19:11.
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