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Playback corruption on split mkv files

green bars mkv splitting

Best Answer Doofus , 29 September 2019 - 12:22 PM

I'll bet it's also fine if you lower the bitrate in the app just lower than the video bitrate and you force a full transcode. Go to the full post


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#21 rbjtech OFFLINE  

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Posted 29 September 2019 - 04:10 PM

 

I use MakeMKV to rip from the Blu-ray; the first two episodes are one file on the Blu-ray and I wasn't aware of and/or can't find anything that lets me rip the episodes individually from the Blu-ray?

 

Ah ok - a poorly authored Blu-Ray - it must use chapter points to select episodes  :mellow: - lets hope the MKV split works out for you. 



#22 MyronAub OFFLINE  

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Posted 30 September 2019 - 01:51 PM

you can do it with ffmpeg

 

ffmpeg -ss 00:05:00 -i 'Fleabag - S01E03 - Episode 3.mkv' -to 00:03:00 -c copy output.mkv

 

So as promised I did some more testing. The last two episodes on the 'Lost' Blu-ray box set final season disc are also authored as one file. Splitting these with MKVToolNix works fine in Plex, VLC and Windows Media Player but results in glitches on all my versions of Emby. Splitting the multi-episode file with ffmpeg as suggested by PenkethBoy creates two episodes/files that work fine in everything including Emby so, for whatever reason, there's some sort of issue going on with Emby and my MKVToolNix split files.

 

That's all good as I now have a workaround moving forward but as I already have loads of MKVToolNix split files from all my other DVD/Blu-ray rips the following suggestion works out even better in my particular case:

 

I'll bet it's also fine if you lower the bitrate in the app just lower than the video bitrate and you force a full transcode.

 

You were absolutely correct! :)

 

The split files were at 21.7Mb/s and my app was set to Maximum Auto; dropping the app down to 21MB/s caused Direct Play/Transcoding instead of Direct Stream and the glitches went away. Thank you so much as that has saved me a load of grief having to re-rip/re-mux all my existing split files.



#23 scb99 OFFLINE  

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Posted 10 October 2019 - 06:11 PM

Hi MyronAub
The solution by Doofus is obviously a workaround, not a real solution.
Because I have a load of mkvmerge stuff I am quite keen to find the real underlying story.
Obviously it’s not a big priority but if you have a chance, can you see if your original files have avalue for Minimum cache in the video headers, and if so, whether adding the same value for this in the split file makes the problem go away?
No big deal but if you get a chance one day would be great to know one way or the other!
Cheers Steve

#24 MyronAub OFFLINE  

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Posted 03 November 2019 - 04:17 AM

Obviously it’s not a big priority but if you have a chance, can you see if your original files have avalue for Minimum cache in the video headers,

 

Sorry it took so long to get around to this. I've just re-ripped this and can't see the parameter you refer to but here's the full list from MediaInfo:

Complete name                            : F:\My Videos\Rips\Video\Lost- Season 6 (Disc 1)\Lost- Season 6 (Disc 1)_t00.mkv
Format                                   : Matroska
Format version                           : Version 2
File size                                : 16.1 GiB
Duration                                 : 1 h 24 min
Overall bit rate mode                    : Variable
Overall bit rate                         : 27.4 Mb/s
Movie name                               : Lost: Season 6 (Disc 1)
Encoded date                             : UTC 2019-11-03 08:00:23
Writing application                      : MakeMKV v1.14.5 win(x64-release)
Writing library                          : libmakemkv v1.14.5 (1.3.5/1.4.7) win(x64-release)

Video
ID                                       : 1
ID in the original source medium         : 4113 (0x1011)
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L4.1
Format settings                          : CABAC / 2 Ref Frames
Format settings, CABAC                   : Yes
Format settings, Reference frames        : 2 frames
Codec ID                                 : V_MPEG4/ISO/AVC
Duration                                 : 1 h 24 min
Bit rate mode                            : Variable
Bit rate                                 : 21.9 Mb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 23.976 (24000/1001) FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.440
Stream size                              : 12.9 GiB (80%)
Language                                 : English
Default                                  : No
Forced                                   : No
Original source medium                   : Blu-ray

Audio #1
ID                                       : 2
ID in the original source medium         : 4352 (0x1100)
Format                                   : DTS XLL
Format/Info                              : Digital Theater Systems
Commercial name                          : DTS-HD Master Audio
Codec ID                                 : A_DTS
Duration                                 : 1 h 24 min
Bit rate mode                            : Variable
Bit rate                                 : 3 994 kb/s
Channel(s)                               : 6 channels
Channel layout                           : C L R Ls Rs LFE
Sampling rate                            : 48.0 kHz
Frame rate                               : 93.750 FPS (512 SPF)
Bit depth                                : 24 bits
Compression mode                         : Lossless
Stream size                              : 2.35 GiB (15%)
Title                                    : Surround 5.1
Language                                 : English
Default                                  : Yes
Forced                                   : No
Original source medium                   : Blu-ray

Audio #2
ID                                       : 3
ID in the original source medium         : 4352 (0x1100)
Format                                   : DTS
Format/Info                              : Digital Theater Systems
Codec ID                                 : A_DTS
Duration                                 : 1 h 24 min
Bit rate mode                            : Constant
Bit rate                                 : 1 509 kb/s
Channel(s)                               : 6 channels
Channel layout                           : C L R Ls Rs LFE
Sampling rate                            : 48.0 kHz
Frame rate                               : 93.750 FPS (512 SPF)
Bit depth                                : 24 bits
Compression mode                         : Lossy
Stream size                              : 908 MiB (6%)
Title                                    : Surround 5.1
Language                                 : English
Default                                  : No
Forced                                   : No
Original source medium                   : Blu-ray






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