Problem with playback of AVCHD 3D videos

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Problem with playback of AVCHD 3D videos Empty Problem with playback of AVCHD 3D videos

Post by mbassano Tue Mar 19, 2024 2:31 pm

I recently got a new Windows 11 PC and installed K-Lite Mega Codec pack, which I have been using for many years.
I now have a problem playing AVCHD 3D files using MPC-HC. I don't have any special 3D capable monitor, so I just expect to see a 2D video. They play just fine with the new Windows Media Player (as normal 2D video), but MPC-HC (my default player) shows a picture like this, which hardly has any motion:
Problem with playback of AVCHD 3D videos 2024-03-19-15-22-10

Normal AVC video plays fine, also interlaced video.

This is the media info for one of those files:

General
ID                          : 1 (0x1)
Complete name               : K:\Home video sources\AVCHD\2014-07-25 - 3D\2014-07-25_191902.m2ts
Format                      : BDAV
Format/Info                 : Blu-ray Video
File size                   : 104 MiB
Duration                    : 35 s 500 ms
Overall bit rate mode       : Variable
Overall bit rate            : 24.5 Mb/s
Maximum Overall bit rate    : 28.0 Mb/s
Frame rate                  : 25.000 FPS
Recorded date               : 2014-07-25 19:19:02+01:00
Writing application         : Panasonic

Video #1
ID                          : 4113 (0x1011)
Menu ID                     : 1 (0x1)
Format                      : AVC
Format/Info                 : Advanced Video Codec
Format profile              : High@L4
Format settings             : CABAC / 2 Ref Frames
Format settings, CABAC      : Yes
Format settings, Reference  : 2 frames
Format settings, GOP        : M=3, N=12
Format settings, Slice coun : 6 slices per frame
Codec ID                    : 27
Duration                    : 35 s 440 ms
Bit rate mode               : Variable
Maximum bit rate            : 21.6 Mb/s
Width                       : 1 920 pixels
Height                      : 1 080 pixels
Display aspect ratio        : 16:9
Frame rate                  : 25.000 FPS
Color space                 : YUV
Chroma subsampling          : 4:2:0
Bit depth                   : 8 bits
Scan type                   : Interlaced
Scan type, store method     : Separated fields
Scan order                  : Top Field First

Video #2
ID                          : 4114 (0x1012)
Menu ID                     : 1 (0x1)
Format                      : AVC
Format/Info                 : Advanced Video Codec
Format profile              : Stereo High@L4
Count of views              : 2
Format settings             : CABAC / 2 Ref Frames
Format settings, CABAC      : Yes
Format settings, Reference  : 2 frames
Format settings, Slice coun : 6 slices per frame
Codec ID                    : 32
Duration                    : 35 s 440 ms
Bit rate mode               : Variable
Maximum bit rate            : 21.6 Mb/s
Width                       : 1 920 pixels
Height                      : 1 080 pixels
Display aspect ratio        : 16:9
Frame rate                  : 25.000 FPS
Color space                 : YUV
Chroma subsampling          : 4:2:0
Bit depth                   : 8 bits
Scan type                   : Interlaced
Scan type, store method     : Separated fields
Scan order                  : Top Field First

Audio
ID                          : 4352 (0x1100)
Menu ID                     : 1 (0x1)
Format                      : AC-3
Format/Info                 : Audio Coding 3
Commercial name             : Dolby Digital
Codec ID                    : 129
Duration                    : 35 s 520 ms
Bit rate mode               : Constant
Bit rate                    : 384 kb/s
Channel(s)                  : 6 channels
Channel layout              : L R C LFE Ls Rs
Sampling rate               : 48.0 kHz
Frame rate                  : 31.250 FPS (1536 SPF)
Compression mode            : Lossy
Delay relative to video     : -80 ms
Stream size                 : 1.63 MiB (2%)
Service kind                : Complete Main

Text
ID                          : 4608 (0x1200)
Menu ID                     : 1 (0x1)
Format                      : PGS
Codec ID                    : 144
Duration                    : 34 s 976 ms
Delay relative to video     : -80 ms



I already tried to find some setting that could be responsible for this, so far without luck.
Does anybody know this problem, and has anyone found a solution?


Last edited by mbassano on Tue Mar 19, 2024 4:23 pm; edited 1 time in total

mbassano

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Problem with playback of AVCHD 3D videos Empty Re: Problem with playback of AVCHD 3D videos

Post by Admin Tue Mar 19, 2024 4:22 pm

Can you upload the file for me? Then I can check if it works here.
https://www.sendspace.com

You should try with MadVR as video renderer.

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Problem with playback of AVCHD 3D videos Empty Re: Problem with playback of AVCHD 3D videos

Post by mbassano Tue Mar 19, 2024 4:44 pm

Thanks for the reply. the file is here. I already tried MadVR, without success.

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Problem with playback of AVCHD 3D videos Empty Re: Problem with playback of AVCHD 3D videos

Post by Admin Tue Mar 19, 2024 7:00 pm

As a workaround you can delete libmfxsw64.dll file in LAVFilters folder. That is the 3D MVC decoder plugin. I suspect that it maybe doesn't work properly with interlaced video. Once deleted the video will be decoded as normal H.264 and the stereo video channel is ignored.

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Problem with playback of AVCHD 3D videos Empty Re: Problem with playback of AVCHD 3D videos

Post by mbassano Thu Mar 21, 2024 2:06 pm

Thanks! That did it. I do have several copies of that library on my system. The version in the LAVFilters folder is 8.18.6.8 from 8-6-2018, but I also found a more recent one (9.19.5.17 from 17-5-2019). Unfortunately replacing it with that one also yields the same problem. So, I guess I'll make do without it for now.

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Problem with playback of AVCHD 3D videos Empty Re: Problem with playback of AVCHD 3D videos

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