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  1. Member
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    I'm trying to take an MKV file and convert it to MP4, but I get this odd video output instead where there's a color washout.

    Image
    [Attachment 45310 - Click to enlarge]


    This doesn't happen that often, so I know it's not my system.

    I'm using Handbrake and trying to use H.264 (not QSV). I've turned off decomb, gone to 2-pass, tried various presets.... all to no avail. I also tried using MakeMKV to re-encode the MKV file and that didn't help.

    Any thoughts would be greatly appreciated.
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  2. Member netmask56's Avatar
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    BeyonWiz T3 PVR ~ Popcorn A-500 ~ Samsung ES8000 65" LED TV ~ Windows 7 64bit ~ Yamaha RX-A1070 ~ QnapTS851-4G
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    So the link you provided without any info did do the trick of converting from MKV to MP4.... but when I went to re-encode in Handbrake to make the file smaller, I still got the odd color shifting.

    Do you think you could expand a little on the post... like why it happened? What to do to make it smaller as well as convert the file type?

    I mean, I'm grateful for an alternative program but it's like handing someone the keys to a pickup truck when they say they can't drive their SUV through town. It works, but why is the pickup truck a better vehicle?
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  4. Originally Posted by chrispopp8;2518023but when I went to re-encode in [url=https://www.videohelp.com/software/HandBrake
    Handbrake[/url] to make the file smaller, I still got the odd color shifting.
    It suggests either decoding issue with handbrake, or a playback problem with your handbrake output settings


    Rule out a playback issue first, try some other players like VLC, MPCHC, potplayer, mpv etc...

    If that's not it, use mediainfo (view=>text ) and check the parameters of the input file, copy & paste back the text view.

    You can also try other handbrake versions, such as nightly builds, or older builds if a bug was introduced recently
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    General
    Unique ID : 142261330349044740979379494926562998675 (0x6B06891D64BB74885D32058921C5B993)
    Complete name : L:\tbc\Atlanta.S02E02.mkv
    Format : Matroska
    Format version : Version 4 / Version 2
    File size : 2.70 GiB
    Duration : 26 min 28 s
    Overall bit rate mode : Variable
    Overall bit rate : 14.6 Mb/s
    Encoded date : UTC 2018-03-10 00:02:02
    Writing application : mkvmerge v20.0.0 (master: 2421163 / deflate: b81f064) [X86_64]
    Writing library : libebml v1.3.5 + libmatroska v1.4.8

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4
    Format settings : CABAC / 4 Ref Frames
    Format settings, CABAC : Yes
    Format settings, RefFrames : 4 frames
    Codec ID : V_MPEG4/ISO/AVC
    Duration : 26 min 28 s
    Bit rate mode : Variable
    Bit rate : 13.7 Mb/s
    Maximum bit rate : 15.0 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) : 0.275
    Stream size : 2.53 GiB (94%)
    Language : English
    Default : Yes
    Forced : No
    Color range : Limited
    Color primaries : BT.709
    Transfer characteristics : BT.709
    Matrix coefficients : BT.709

    Audio
    ID : 2
    Format : E-AC-3
    Format/Info : Enhanced Audio Coding 3
    Codec ID : A_EAC3
    Duration : 26 min 28 s
    Bit rate mode : Constant
    Bit rate : 640 kb/s
    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 kHz
    Frame rate : 187.500 FPS (256 SPF)
    Compression mode : Lossy
    Stream size : 121 MiB (4%)
    Language : English
    Service kind : Complete Main
    Default : Yes
    Forced : No

    Text #1
    ID : 3
    Format : UTF-8
    Codec ID : S_TEXT/UTF8
    Codec ID/Info : UTF-8 Plain Text
    Title : English
    Language : English
    Default : No
    Forced : No

    Text #2
    ID : 4
    Format : UTF-8
    Codec ID : S_TEXT/UTF8
    Codec ID/Info : UTF-8 Plain Text
    Title : English (SDH)
    Language : English
    Default : No
    Forced : No
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  6. Did you try a different media player ? Did you verify the issue wasn't there to begin with in the mkv? (does it play without the problem near the same time frame)

    Nothing seems abnormal with mediainfo report

    Otherwise try different handbrake build, or something else like megui, staxrip, hybrid, etc...


    Originally Posted by chrispopp8 View Post

    This doesn't happen that often, so I know it's not my system.
    Or because it doesn't happen often, it might be your system . It could be a problem with memory corruption, overheating, bad PSU . They don't always occur, sometimes the pattern is occasional to begin with
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  7. Member netmask56's Avatar
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    Using the most original file you have, I presume that is the MKV you could try VidCoder which is built on the Handbrake engine but is a bit more friendly to use. Select the degree of compression you want and encode to whatever format you want ie MKV or MP4
    BeyonWiz T3 PVR ~ Popcorn A-500 ~ Samsung ES8000 65" LED TV ~ Windows 7 64bit ~ Yamaha RX-A1070 ~ QnapTS851-4G
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