Audio drifting over time in AvsPmod

[wcndave2]

I have an avi capture, that plays fine in VLC etc, and put it into Pmod and then processed in VDUB and after render, noticed the audio was quite off, right from the start. Played it in VDUB and it's off. So played it in AvsPmod and it's off in there as well...

Any ideas why that might be, and how to compensate for it?

[poisondeathray]

What does mediainfo (view=>text) say about the AVI ?

What kind of audio? Is audio CBR ? If not , and something like MP3 use EnsureVBRMP3Sync
http://avisynth.nl/index.php/EnsureVBRMP3Sync

What source filter?

Post your script

You can try other source filters , AVISource, FFMS2, LSmash

[wcndave2]

Hi, Mediainfo says:

General
Complete name                            : C:\Users\Dave\Videos\Captures\VHS Project\Tribute Tape Part 1_Cut.avi
Format                                   : AVI
Format/Info                              : Audio Video Interleave
Format profile                           : OpenDML
File size                                : 19.4 GiB
Duration                                 : 51 min 32 s
Overall bit rate                         : 53.8 Mb/s
Writing application                      : Lavf60.20.100

Video
ID                                       : 0
Format                                   : HuffYUV
Format version                           : Version 2
Codec ID                                 : HFYU
Duration                                 : 51 min 32 s
Bit rate                                 : 52.2 Mb/s
Width                                    : 720 pixels
Height                                   : 576 pixels
Display aspect ratio                     : 5:4
Frame rate                               : 25.000 FPS
Standard                                 : PAL
Color space                              : YUV
Chroma subsampling                       : 4:2:2
Bit depth                                : 8 bits
Scan type                                : Interlaced
Bits/(Pixel*Frame)                       : 5.036
Stream size                              : 18.8 GiB (97%)

Audio
ID                                       : 1
Format                                   : PCM
Format settings                          : Little / Signed
Codec ID                                 : 1
Duration                                 : 51 min 32 s
Bit rate mode                            : Constant
Bit rate                                 : 1 536 kb/s
Channel(s)                               : 2 channels
Sampling rate                            : 48.0 kHz
Bit depth                                : 16 bits
Stream size                              : 566 MiB (3%)
Alignment                                : Aligned on interleaves
Interleave, duration                     : 20  ms (0.50 video frame)
Interleave, preload duration             : 128  ms

AVISource had an error: couldn't locate a decompressor for fourcc HFYU

What I have been using was this:

SetFilterMTMode("QTGMC",2)

FFmpegSource2("Tribute Tape Part 1_Cut.avi", atrack=1) # no Lagarith installed
#AVISource("Tribute Tape Part 1_Cut.avi", atrack=1) # no Lagarith installed
AssumeTFF()
QTGMC(preset="slow", matchpreset="slow", matchpreset2="slow", sourcematch=3, tr1=2, tr2=1, NoiseTR=2, sharpness=0.1)
crop_left = 8
crop_right=24
crop_top=0
crop_bottom=10

crop(crop_left, crop_top,-crop_right,-crop_bottom)
addborders(8,0,8,crop_bottom)

### denoising
#TemporalDegrain2(degrainTR=3)

BilinearResize(768,576)
Prefetch(20)

[poisondeathray]

Likely a source filter issue, perhaps old ffms2 version

You can install huffyuv and try AVISource, or update ffms2 version, or try lsmash

When debugging things like a source filter, comment out everything else , check sync, then add back the other lines if it's ok ( if your computer is not fast enough to playback a script with filters in realtime, it can appear to be out of sync, but it might not be)

[wcndave2]

Likely a source filter issue, perhaps old ffms2 version

You can install huffyuv and try AVISource, or update ffms2 version, or try lsmash

When debugging things like a source filter, comment out everything else , check sync, then add back the other lines if it's ok ( if your computer is not fast enough to playback a script with filters in realtime, it can appear to be out of sync, but it might not be)

Thanks, I did just install everything a couple of days ago.

I had already tried the one line at a time approach, and it's def the output.

I have huffyuv installed, but I still get that error when trying to uuse AVISource, however I'll search around for answers to that.

Thanks!

[poisondeathray]

Newest ffms2 releases
https://codeberg.org/StvG/ffms2/releases

Likely you have huffyuv installed for x86, but not x64 . If you 're using avs+ x64 with AVISource it will initiate the x64 .dll of huffyuv . And for x86, it will use the x86 version

[wcndave2]

Newest ffms2 releases
https://codeberg.org/StvG/ffms2/releases

Likely you have huffyuv installed for x86, but not x64 . If you 're using avs+ x64 with AVISource it will initiate the x64 .dll of huffyuv . And for x86, it will use the x86 version

I think I have them both installed, I certainly right click -> installed on both of them....

[poisondeathray]

I think I have them both installed, I certainly right click -> installed on both of them....

If you're getting that error message, it's not installed

It can be tricky to install x64 huffyuv , and you need admin privileges

Try this
https://www.digitalfaq.com/forum/video-conversion/2193-cannot-install-huffyuv.html#post11627

[wcndave2]

If you're getting that error message, it's not installed

It can be tricky to install x64 huffyuv , and you need admin privileges

Try this
https://www.digitalfaq.com/forum/video-conversion/2193-cannot-install-huffyuv.html#post11627[/QUOTE]

Mmm, that post is 14 years old....

When I try this command (as admin)

C:\Windows\SysWOW64>rundll32.exe setupapi.dll,InstallHinfSection DefaultInstall 0 c:\Users\Dave\Videos\Captures\huffyuv-2.1.1\huffyuv.inf


[Attachment 77249 - Click to enlarge]

I can see the codec in Vdub2 (64 bit), and I get the error in AvsPmod 64 bit.

If I try the 64 bit, it complains that the file is older, so it's installing to the same place...

[Attachment 77250 - Click to enlarge]

The codec still shows in Vdub2 and I still get the error in AvsPmod

I also tried instructions from here: https://lifeofageekadmin.com/installing-huffyuv-on-windows-10-64-bit/

Where the 32 bit is installed to syswow64 and the 64 but to system32....
Didn't work.

I tried it the other way round, just in case.
Doesn't work....

[poisondeathray]

The codec still shows in Vdub2 and I still get the error in AvsPmod

Is this vdub2 x64?

Note that vdub2 comes with a version FFmpeg Huffyuv - it's not the same. If you click on it,the FOURCC is 'FFVH' .

When you click on the codec that you have showing up, does it say FOURCC 'hfyu' ? => that's the one you want. If you look at the mediainfo report above, the Codec ID : HFYU

Where the 32 bit is installed to syswow64 and the 64 but to system32....

That's the correct way; x86 .dll's go in the syswow64 , x64 .dll's go in the system32

[wcndave2]

OK, I think I got it, I followed the instructions here: https://www.digitalfaq.com/forum/video-conversion/7015-problems-encoding-mainconcept.html#post44169

basically copied the files to C:\Windows\System32\ then right click and install....

Now my AVISource is working, and looks synced, will try to render it tommorrow.

Thanks for all the help, really appreciate it!