Can't fast forward or rewind MKV

Discussion in 'HDD Media player(RTD 1619BPD)' started by Nuuki, Apr 22, 2024.

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  1. Nuuki

    Nuuki New Member

    I have an MKV remux that plays fine on my Z9X Pro, except that I'm not able to fast forward or rewind. When I use the nagivation buttons to jump forward or back the progress bar updates but it doesn't actually jump. Trying to change chapters also fails. I did try stripping the chapters out in case that was an issue, but no change.
    I'm assuming the Zidoo is struggling with something about this specific MKV, as its not a problem I have with others. Any ideas what I can do to resolve it?
     
  2. Netmask

    Netmask Well-Known Member

    Post a full MediaInfo file report (text mode) to give some clues
     
  3. Nuuki

    Nuuki New Member

    Good point. Here's the info for audio and video - I removed the subs as there were a lot and I assume they're likely not relevant, but I can add them back in if needed.

    Code:
    General
    Unique ID                                : 141979438800390808441461421568035366995 (0x6AD03EC9D66A5FA9D3D042AA78B7A853)
    Complete name                            : \\nas\Videos\Films (4K)\The Lord of the Rings The Two Towers (2002)\The Lord of the Rings The Two Towers (2002) Extended Edition - Remux-2160p HDR TrueHD Atmos 7.1 - playBD.mkv
    Format                                   : Matroska
    Format version                           : Version 4
    File size                                : 111 GiB
    Duration                                 : 3 h 55 min
    Overall bit rate mode                    : Variable
    Overall bit rate                         : 67.3 Mb/s
    Frame rate                               : 23.976 FPS
    Encoded date                             : 2023-12-12 14:35:07 UTC
    Writing application                      : mkvmerge v75.0.0 ('Goliath') 64-bit
    Writing library                          : libebml v1.4.4 + libmatroska v1.7.1
    IsTruncated                              : Yes
    
    Video
    ID                                       : 2
    Format                                   : HEVC
    Format/Info                              : High Efficiency Video Coding
    Format profile                           : Main 10@L5.1@High
    HDR format                               : Dolby Vision, Version 1.0, dvhe.07.06, BL+EL+RPU, Blu-ray compatible / SMPTE ST 2086, HDR10 compatible
    Codec ID                                 : V_MPEGH/ISO/HEVC
    Duration                                 : 3 h 55 min
    Bit rate                                 : 62.2 Mb/s
    Width                                    : 3 840 pixels
    Height                                   : 2 160 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 (Type 2)
    Bit depth                                : 10 bits
    Bits/(Pixel*Frame)                       : 0.313
    Stream size                              : 102 GiB (92%)
    Language                                 : English
    Default                                  : Yes
    Forced                                   : No
    Color range                              : Limited
    Color primaries                          : BT.2020
    Transfer characteristics                 : PQ
    Matrix coefficients                      : BT.2020 non-constant
    Mastering display color primaries        : Display P3
    Mastering display luminance              : min: 0.0050 cd/m2, max: 4000 cd/m2
    Maximum Content Light Level              : 827 cd/m2
    Maximum Frame-Average Light Level        : 329 cd/m2
    
    Audio #1
    ID                                       : 3
    Format                                   : MLP FBA 16-ch
    Format/Info                              : Meridian Lossless Packing FBA with 16-channel presentation
    Commercial name                          : Dolby TrueHD with Dolby Atmos
    Codec ID                                 : A_TRUEHD
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Variable
    Bit rate                                 : 3 058 kb/s
    Maximum bit rate                         : 4 668 kb/s
    Channel(s)                               : 8 channels
    Channel layout                           : L R C LFE Ls Rs Lb Rb
    Sampling rate                            : 48.0 kHz
    Frame rate                               : 1 200.000 FPS (40 SPF)
    Compression mode                         : Lossless
    Stream size                              : 5.03 GiB (5%)
    Language                                 : English
    Default                                  : Yes
    Forced                                   : No
    Number of dynamic objects                : 11
    Bed channel count                        : 1 channel
    Bed channel configuration                : LFE
    
    Audio #2
    ID                                       : 4
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Commercial name                          : Dolby Digital
    Format settings                          : Dolby Surround EX
    Codec ID                                 : A_AC3
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Constant
    Bit rate                                 : 448 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
    Stream size                              : 754 MiB (1%)
    Language                                 : English
    Service kind                             : Complete Main
    Default                                  : No
    Forced                                   : No
    
    Audio #3
    ID                                       : 5
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Commercial name                          : Dolby Digital
    Format settings                          : Dolby Surround
    Codec ID                                 : A_AC3
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Constant
    Bit rate                                 : 192 kb/s
    Channel(s)                               : 2 channels
    Channel layout                           : L R
    Sampling rate                            : 48.0 kHz
    Frame rate                               : 31.250 FPS (1536 SPF)
    Compression mode                         : Lossy
    Stream size                              : 323 MiB (0%)
    Title                                    : Commentary by Peter Jackson/Fran Walsh/Philippa Boyens
    Language                                 : English
    Service kind                             : Complete Main
    Default                                  : No
    Forced                                   : No
    
    Audio #4
    ID                                       : 6
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Commercial name                          : Dolby Digital
    Format settings                          : Dolby Surround
    Codec ID                                 : A_AC3
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Constant
    Bit rate                                 : 192 kb/s
    Channel(s)                               : 2 channels
    Channel layout                           : L R
    Sampling rate                            : 48.0 kHz
    Frame rate                               : 31.250 FPS (1536 SPF)
    Compression mode                         : Lossy
    Stream size                              : 323 MiB (0%)
    Title                                    : Commentary by Grant Major/Richard Taylor/Alan Lee/John Howe/Dan Hennah/Chris Hennah/Tania Rodger
    Language                                 : English
    Service kind                             : Complete Main
    Default                                  : No
    Forced                                   : No
    
    Audio #5
    ID                                       : 7
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Commercial name                          : Dolby Digital
    Format settings                          : Dolby Surround
    Codec ID                                 : A_AC3
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Constant
    Bit rate                                 : 192 kb/s
    Channel(s)                               : 2 channels
    Channel layout                           : L R
    Sampling rate                            : 48.0 kHz
    Frame rate                               : 31.250 FPS (1536 SPF)
    Compression mode                         : Lossy
    Stream size                              : 323 MiB (0%)
    Title                                    : Commentary by Mike Horton/Jabez Olssen/Joe Letteri/Barrie Osborne/Mark Ordesky/Andrew Lesnie/Rick Porras/Howard Shore/Jim Rygiel/Randy Cook/Ethan van der Ryn/Mike Hopkins/Christian Rivers/Brian Vant Hul/Alex Funke
    Language                                 : English
    Service kind                             : Complete Main
    Default                                  : No
    Forced                                   : No
    
    Audio #6
    ID                                       : 8
    Format                                   : AC-3
    Format/Info                              : Audio Coding 3
    Commercial name                          : Dolby Digital
    Format settings                          : Dolby Surround
    Codec ID                                 : A_AC3
    Duration                                 : 3 h 55 min
    Bit rate mode                            : Constant
    Bit rate                                 : 192 kb/s
    Channel(s)                               : 2 channels
    Channel layout                           : L R
    Sampling rate                            : 48.0 kHz
    Frame rate                               : 31.250 FPS (1536 SPF)
    Compression mode                         : Lossy
    Stream size                              : 323 MiB (0%)
    Title                                    : Commentary by Elijah Wood/Sean Astin/Andy Serkis/John Rhys-Davies/Billy Boyd/Dominic Monaghan/Orlando Bloom/Christopher Lee/Sean Bean/Bernard Hill/Miranda Otto/David Wenham/Brad Dourif/Karl Urban/John Noble/Craig Parker
    Language                                 : English
    Service kind                             : Complete Main
    Default                                  : No
    Forced                                   : No
     
  4. xskip

    xskip Active Member

    Mine LOTR:TT plays fine (fast forward or rewind).
    But i have 2 files, you have 2 stitch together in 1.

    File size: 111 GiB
    Duration: 3 h 55 min

    maybe something with that?
     
  5. Nuuki

    Nuuki New Member

    Are you saying it must have been stitched because it comes on 2 discs, or are you seeing that from the info above? The fact that it plays at all makes it seem less likely that that's the issue, but I guess its possible.

    Overall it does seem like the "easiest" option would be to try a different remux, but its so huge that I really wanted to avoid that if possible.
     
  6. Netmask

    Netmask Well-Known Member

    Simply remuxing the existing file in mkvtoolnix “sometimes” will display any errors. If you have the space might be worth a go? I just spotted this from the mediainfo.
    IsTruncated : Yes
    ???
     
  7. Markswift2003

    Markswift2003 Well-Known Member SUPER Administrator Beta test group Contributor

    Usually means the size reported in the header doesn't match the actual file size. Whatever's wrong it's obviously a bad file - possibly not indexed correctly.
     
    xskip likes this.
  8. Nuuki

    Nuuki New Member

    Good idea. So would I just use the following command to do that:

    Code:
    mkvmerge -o outputfile.mkv inputfile.mkv
    I'd have space to read it from my NAS and write it to my local SSD so certainly worth a try.
     
  9. Nuuki

    Nuuki New Member

    It does increasingly seem like a bad file. Would remuxing it as suggested potentially resolve that, or would I need a new remux in that case?
     
  10. Nuuki

    Nuuki New Member

    Remuxing it without making any changes sorted it out - I got a bunch of errors reported so feasibly there'll be other issues, but for now its at least playable, and I can replace it at some point if needed.

    Thanks for the support!
     
    Netmask, xskip and Markswift2003 like this.

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