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  1. Member
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    Hi

    I have MKV data files which I can play on my blu-ray player unconverted if I burn them as a data disc to blu-ray.

    however I try to do the same but just using DVD media but it doesn't work. Is it supposed to? I have tried to burn using both ISO mode and also UDF 2.50 mode.

    What can I do to save burning it to blank BDRs, as the MKV files are only 3gig max.

    Thanks,
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  2. aBigMeanie aedipuss's Avatar
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    you might buy a self-powered usb hard drive and copy the mkvs there for playing. or a network dlna server. depends on what your blu-ray player supports and if you have a home network.
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    "a lot of people are better dead" - prisoner KSC2-303
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  3. Originally Posted by asinasin View Post
    I have MKV data files which I can play on my blu-ray player unconverted if I burn them as a data disc to blu-ray.

    however I try to do the same but just using DVD media but it doesn't work. Is it supposed to?
    How is anyone supposed to say since you didn't specify what player you're using. Blu-ray players are only requried to play authored Blu-ray and DVD discs. Anything beyond that is up to the manufacturer.
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  4. Member Cornucopia's Avatar
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    You should check your Manual, and your manufacturer's support site...

    Scott
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  5. Member
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    It's a Panasonic dmp-bdt300
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  6. Member Cornucopia's Avatar
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    Just finished looking at the manual and I don't see ANYTHING about support for MKV at all. Looks like you just barely lucked out even being able to play them at all on that machine...

    Mentions it supports: BD, DVD, CD, MP3, JPG, MPEG2, DivX, AVCHD. That's it.

    Scott
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  7. Member
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    They added support for it via firmware download later on
    But the question is this. If I burn a Mkv file to both a bluray and DVD it should both play?
    being on different media shouldn't make a difference?

    See http://www.highdefdigest.com/news/show/3D/Panasonic/Industry_Trends/Panasonic_Adds_MKV...y_Players/4657

    When I put DVD in player it goes to select Mkv file, says starting playback then blank
    On bluray it starts to play.... weird
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  8. The max data rate from DVD may be lower than the max data rate from BD. From the DVD spec it's about 10 Mb/s, the Blu-ray spec 54 Mb/s. Individual players may support higher rates.
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    maybe the only way to check is to burn the SAME mkv file to both media to see.

    still I read in some forums the method is the same though.

    burn as data disc to DVD and the BD player should read it.

    should it be iso format or udf 2.5
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  10. Banned
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    Originally Posted by asinasin View Post
    maybe the only way to check is to burn the SAME mkv file to both media to see.

    still I read in some forums the method is the same though.

    burn as data disc to DVD and the BD player should read it.

    should it be iso format or udf 2.5
    Only the people who wrote the firmware can answer you last question. If the MKV file is over 2 GB in size you have no choice. It must be UDF.

    For all we know, there are limitations on what formats and file sizes it will play on DVD. For example, a 4 GB MKV may fail on DVD because the firmware may not accept any UDF format on DVD for data discs. Or maybe only UDF 2.1 and below work, or only 1.02 works, but you burned to 2.5 and that doesn't work.
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    I see. So I just have to see what firmware I'm running and check with Panasonic then
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  12. Member Cornucopia's Avatar
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    Also, alot depends on the logic of the processor firmware. For example: A processor can look to the disc properties first and then give you a subset of supported "applications" or playback types based on the disc, or it can be more agnostic and look at the properties of the files/contents of the disc, ignoring what kind of disc it was burned to.

    Just like a few years ago when people could only occasionally/sometimes play DVD-Video burned as UDF1.02 onto CD-R, or MP3 files not reading when burned to data DVD but reading just fine when burned to data CD, etc...

    But it could also have something to do with the type/quality of media...

    Have you tried burning to Data DVD in UDF 1.02 format yet like jagabo mentioned? IIWY, I'd try burning one of each mode: ISO, UDF 1.02, UDF 2.1, UDF 2.50 & UDF 2.60.

    Scott
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  13. Originally Posted by asinasin View Post
    I see. So I just have to see what firmware I'm running and check with Panasonic then
    I doubt Panasonic will tell you anything useful. Just experiment for yourself. Start with some small, simple, low bitrate files on a thumb drive. Then try on a DVD. Then on Blu-ray. Then try higher bitrate files at higher profiles and levels.

    http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Profiles
    http://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels
    http://en.wikipedia.org/wiki/MPEG-4_Part_2#Profiles
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  14. Chances are, as MKV playback was implemented via firmware as an after-thought, your player is only be capable of playing MKV files burned to Bluray.
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  15. Member
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    mmm I have tried data disc iso and udf2.5, I'll give udf1.02 a go tonight and let everyone know.
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  16. I'm a Super Moderator johns0's Avatar
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    asinasin-please do not crosspost in older threads,i deleted your post there.
    I think,therefore i am a hamster.
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    I burnt a different MKV file onto DVD udf1.2 and that worked, but original mkv file which I burnt with iso, udf 2.5 and now udf 1.2 didn't.

    So it must be the mkv file? aren't all mkv files the same? yes I know they may have different bitrates, but as to not even play?
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  18. Banned
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    MKV is just a container. A box if you will. A box in your house might contain books, old VHS tapes, plastic drinking glasses, etc. Just like that analogy, an MKV file could contain a variety of possible video and audio formats. Install MediaInfo on your PC and post a screen grab of what it says about the problem file. We can tell if it contains encoding options that can be problematic for BD player playback.
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  19. Member
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    thanks jman98 I will do this
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  20. Member
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    ok the following is the export of the file that doesn't work

    General
    UniqueID/String : 189187665674864818742984627083927221241 (0x8E54381336FC16B19C1E1F0EACCDF3F9)
    CompleteName : C:\temp\test\doesn't work.mkv
    Format : Matroska
    Format_Version : Version 2
    FileSize/String : 3.52 GiB
    Duration/String : 2h 49mn
    OverallBitRate/String : 2 980 Kbps
    Encoded_Date : UTC 2012-04-17 04:49:44
    Encoded_Application : mkvmerge v4.6.0 ('Still Crazy After All These Years') built on Mar 10 2011 02:50:32
    Encoded_Library/String : libebml v1.2.0 + libmatroska v1.1.0
    Video
    ID/String : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format_Profile : Main@L3.2
    Format_Settings_CABAC/String : Yes
    Format_Settings_RefFrames/String : 3 frames
    MuxingMode : Header stripping
    CodecID : V_MPEG4/ISO/AVC
    Duration/String : 2h 49mn
    Width/String : 1 280 pixels
    Height/String : 720 pixels
    DisplayAspectRatio/String : 16:9
    FrameRate/String : 29.970 fps
    ColorSpace : YUV
    ChromaSubsampling : 4:2:0
    BitDepth/String : 8 bits
    ScanType/String : Progressive
    Default/String : Yes
    Forced/String : No
    Audio
    ID/String : 2
    Format : AAC
    Format/Info : Advanced Audio Codec
    Format_Profile : LC
    CodecID : A_AAC
    Duration/String : 2h 49mn
    Channel(s)/String : 2 channels
    ChannelPositions : Front: L R
    SamplingRate/String : 44.1 KHz
    Compression_Mode/String : Lossy
    Default/String : Yes
    Forced/String : No
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  21. Member
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    followed by the one that DOES work

    General
    UniqueID/String : 237479284175983369364181214865852663516 (0xB2A8D8B16180749DA4DB271A90FB06DC)
    CompleteName : C:\temp\test\works.mkv
    Format : Matroska
    Format_Version : Version 2
    FileSize/String : 899 MiB
    Duration/String : 42mn 28s
    OverallBitRate/String : 2960 Kbps
    Encoded_Date : UTC 2011-07-17 10:50:23
    Encoded_Application : mkvmerge v4.8.0 ('I Got The...') built on May 24 2011 03:12:58
    Encoded_Library/String : libebml v1.2.0 + libmatroska v1.1.0
    Video
    ID/String : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format_Profile : High@L4.1
    Format_Settings_CABAC/String : Yes
    Format_Settings_RefFrames/String : 5 frame3
    CodecID : V_MPEG4/ISO/AVC
    Duration/String : 42mn 28s
    BitRate/String : 2578 Kbps
    Width/String : 1280 pixel3
    Height/String : 720 pixel3
    DisplayAspectRatio/String : 16:9
    FrameRate/String : 23.976 fps2
    ColorSpace : YUV
    ChromaSubsampling : 4:2:0
    BitDepth/String : 8 bit3
    ScanType/String : Progressive
    Bits-(Pixel*Frame) : 0.117
    StreamSize/String : 765 MiB (85%)
    Encoded_Library/String : x264 core 115 r2008 4c552d8
    Encoded_Library_Settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x3:0x113 / me=umh / subme=9 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=5 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=2578 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=20000 / vbv_bufsize=15000 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
    Language/String : en
    Default/String : Yes
    Forced/String : No
    colour_primaries : BT.709-5, BT.1361, IEC 61966-2-4, SMPTE RP177
    transfer_characteristics : BT.709-5, BT.1361
    matrix_coefficients : BT.709-5, BT.1361, IEC 61966-2-4 709, SMPTE RP177
    Audio
    ID/String : 2
    Format : AC-3
    Format/Info : Audio Coding 3
    Format_Settings_ModeExtension : CM (complete main)
    Format_Settings_Endianness : Big
    CodecID : A_AC3
    Duration/String : 42mn 28s
    BitRate_Mode/String : CBR
    BitRate/String : 384 Kbps
    Channel(s)/String : 2 channel2
    ChannelPositions : Front: L R
    SamplingRate/String : 48.0 KHz
    BitDepth/String : 16 bit3
    Compression_Mode/String : Lossy
    StreamSize/String : 117 MiB (13%)
    Language/String : en
    Default/String : Yes
    Forced/String : Yes
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  22. The problem is probably header stripping. Remux with MMG. But first, start MMG and select File -> Options and enable "Disable Header Removal Compression...", then exit MMG. Now you can start MMG and remux the video.
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  23. Member
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    Total newbie here... how to remux with mmg?
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  24. Originally Posted by asinasin View Post
    Total newbie here... how to remux with mmg?
    Add an MKV file, press the Start Muxing button.
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  25. Member
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    thanks will give it a go
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  26. Member
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    It works! MKV burned to dvd udf1.2 and plays great.

    So what's the deal with the header stripping? Just to save a few megabytes? at the expense of limited playability?
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  27. VH Wanderer Ai Haibara's Avatar
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    It was (and is) part of the MKV standard - but originally, nobody bothered to enforce it, so likewise, hardly anyone included support for it, more or less. Then, the author of mkvtoolnix decided it needed to be enforced, and everyone else needed to update their devices/players/whatever.

    Of course, it's a little better now, as mkvmerge includes that setting to keep the header compression off by default. It originally didn't, and that bothered a number of people.
    Last edited by Ai Haibara; 22nd Apr 2012 at 02:03.
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  28. Member
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    Great thanks
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  29. Originally Posted by asinasin View Post
    Hi

    I have MKV data files which I can play on my blu-ray player unconverted if I burn them as a data disc to blu-ray.

    however I try to do the same but just using DVD media but it doesn't work. Is it supposed to? I have tried to burn using both ISO mode and also UDF 2.50 mode.
    That's probably the reason it took a while for someone to suggest disabling header compression, because going by your original post it sounded like the same MKV would play when burned to Bluray disc but not when burned to DVD. Were you actually using the same MKV file(s) when comparing disc playback?

    I guess as almost anything's possible when it comes to hardware/software, maybe an MKV using header compression won't play when burned to DVD while it will when burned to Bluray, however it seems unlikely.
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  30. Member
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    I had two different MKV at the beginning, one on blu-ray and another on DVD.

    I thought MKVs were all the same originally, (in structure) so I didn't think different MKVs mattered.

    As the forum replies came through, I figured it was the MKV file that was the issue, and used mediainfo.

    Thanks a lot everyone, really helped to solve this problem.
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