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Thread: LG 42LV5500 - MKV transcoding

  1. #1
    Join Date
    Jul 2011
    Posts
    23

    Default LG 42LV5500 - MKV transcoding

    Hello Mezzmo Team,

    Today I discovered that one of myself-recoded MKV movies is transcoded by Mezzmo but it shouldn't. It was interested case for me due to the fact I use the same MeGUI profile, LG 42LV5500 TV & device profile (=> LG TV) since ages (http://forum.conceiva.com/showthread...500-and-Mezzmo) without any problems (thanks for valuable support in early days). I'm just curious: why does Mezzmo decide to transcode properly (IMHO) recoded movie ? Below
    FFmpeg information about the movie. Complete logs was sent to your mailbox.

    ffmpeg version N-59793-g7a8318f Copyright (c) 2000-2014 the FFmpeg developers
    built on Jan 16 2014 16:51:32 with gcc 4.8.2 (GCC)
    configuration: --enable-memalign-hack --arch=x86_64 --target-os=mingw32 --cross-prefix=x86_64-w64-mingw32- --enable-static --disable-shared --enable-zlib --disable-postproc --prefix=/home/peter/ffmpeg/build/gpl64 --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc32/include --extra-ldflags=-L/home/peter/cc64/lib --pkg-config=pkg-config --disable-w32threads --enable-libvpx --enable-libvorbis
    libavutil 52. 62.100 / 52. 62.100
    libavcodec 55. 48.101 / 55. 48.101
    libavformat 55. 23.103 / 55. 23.103
    libavdevice 55. 5.102 / 55. 5.102
    libavfilter 4. 1.100 / 4. 1.100
    libswscale 2. 5.101 / 2. 5.101
    libswresample 0. 17.104 / 0. 17.104
    Input #0, matroska,webm, from 'E:\Mezzmo\!!! Check !!!\Appleseed Alpha.mkv':
    Metadata:
    title : Appleseed Alpha
    encoder : libebml v1.3.0 + libmatroska v1.4.0
    creation_time : 2014-09-23 05:01:18
    Duration: 01:33:15.55, start: 0.000000, bitrate: 10384 kb/s
    Chapter #0.0: start 0.000000, end 308.933622
    Metadata:
    title : Chapter 1
    Chapter #0.1: start 308.933622, end 547.672122
    Metadata:
    title : Chapter 2
    Chapter #0.2: start 547.672122, end 885.843289
    Metadata:
    title : Chapter 3
    Chapter #0.3: start 885.843289, end 1179.136289
    Metadata:
    title : Chapter 4
    Chapter #0.4: start 1179.136289, end 1755.545456
    Metadata:
    title : Chapter 5
    Chapter #0.5: start 1755.545456, end 2033.781744
    Metadata:
    title : Chapter 6
    Chapter #0.6: start 2033.781744, end 2297.211578
    Metadata:
    title : Chapter 7
    Chapter #0.7: start 2297.211578, end 2682.721700
    Metadata:
    title : Chapter 8
    Chapter #0.8: start 2682.721700, end 3083.955867
    Metadata:
    title : Chapter 9
    Chapter #0.9: start 3083.955867, end 3417.956200
    Metadata:
    title : Chapter 10
    Chapter #0.10: start 3417.956200, end 3773.311200
    Metadata:
    title : Chapter 11
    Chapter #0.11: start 3773.311200, end 4127.873744
    Metadata:
    title : Chapter 12
    Chapter #0.12: start 4127.873744, end 4397.393000
    Metadata:
    title : Chapter 13
    Chapter #0.13: start 4397.393000, end 4742.821411
    Metadata:
    title : Chapter 14
    Chapter #0.14: start 4742.821411, end 5089.042289
    Metadata:
    title : Chapter 15
    Chapter #0.15: start 5089.042289, end 5595.548000
    Metadata:
    title : Chapter 16
    Stream #0:0: Video: h264 (High), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Metadata:
    title : Appleseed Alpha
    Stream #0:1(pol): Audio: ac3, 48000 Hz, 5.1(side), fltp, 384 kb/s (default)
    Metadata:
    title : Polish
    At least one output file must be specified

    <MEZZMO>: Child process ended with code: 109, ExitCode=1


    ---> DB Level Info: 41, 100
    ---> Frame rate: 23.98
    ---> Aspect ratio: 30:17 PAR=1:1
    ---> Duration: 01:33:15


    Best Regards,
    Mariusz

  2. #2
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
    11,616

    Default

    Thanks for the information & logs, Mariusz. Go to the Media Devices dialog and edit your LG TV device. On the Device Settings dialog, go to the Performance tab and view the "Adjust video aspect ratio" checkbox. If it is fully checked, then this tells Mezzmo to ensure your videos have 1:1 square pixels to fix any aspect ratio problems that you may have on your DLNA device. To do this, Mezzmo will transcode files (even if they are supported) when it detects the video does not have 1:1 square pixels. I think this is what is occurring in your situation. If the checkbox is partially checked, then Mezzmo will only change to 1:1 square pixels when transcoding incompatible videos. If unchecked, then Mezzmo will not transform your videos to use 1:1 square pixels.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  3. #3
    Join Date
    Jul 2011
    Posts
    23

    Default

    Hello Paul,

    Thank you very much for suggestions. In my configuration "Adjust video aspect ratio" checkbox was grayed-out - partially checked. So I unchecked it but it didn't help (nothing changed). I see that affected MKV file is always transcoded to MPEGTS format with different screen resolution 1906x1080 (source movie is 1920x1080). Below info from MediaInfo:

    General
    Unique ID : 230538443920210251340600163805215828376 (0xAD7016D8F23D55A0A11722F93A9FA998)
    Complete name : E:\Mezzmo\!!! Check !!!\Appleseed Alpha.mkv
    Format : Matroska
    Format version : Version 4 / Version 2
    File size : 6.76 GiB
    Duration : 1h 33mn
    Overall bit rate : 10.4 Mbps
    Movie name : Appleseed Alpha
    Encoded date : UTC 2014-09-23 05:01:18
    Writing application : mkvmerge v6.3.0 ('You can't stop me!') built on Jun 28 2013 20:09:41
    Writing library : libebml v1.3.0 + libmatroska v1.4.0

    Video
    ID : 1
    Format : AVC
    Format/Info : Advanced Video Codec
    Format profile : High@L4.1
    Format settings, CABAC : Yes
    Format settings, ReFrames : 4 frames
    Codec ID : V_MPEG4/ISO/AVC
    Duration : 1h 33mn
    Bit rate : 10 000 Kbps
    Width : 1 920 pixels
    Height : 1 080 pixels
    Display aspect ratio : 16:9
    Frame rate mode : Constant
    Frame rate : 23.976 fps
    Color space : YUV
    Chroma subsampling : 4:2:0
    Bit depth : 8 bits
    Scan type : Progressive
    Bits/(Pixel*Frame) : 0.201
    Stream size : 6.38 GiB (94%)
    Title : Appleseed Alpha
    Writing library : x264 core 142 r2431 ac76440
    Encoding settings : cabac=1 / ref=4 / deblock=1:1:1 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=0.40:0.00 / 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=6 / lookahead_threads=1 / 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=240 / keyint_min=23 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=10000 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=50000 / vbv_bufsize=50000 / nal_hrd=none / filler=0 / ip_ratio=1.40 / aq=1:0.60
    Default : Yes
    Forced : No

    Audio
    ID : 2
    Format : AC-3
    Format/Info : Audio Coding 3
    Mode extension : CM (complete main)
    Format settings, Endianness : Big
    Codec ID : A_AC3
    Duration : 1h 33mn
    Bit rate mode : Constant
    Bit rate : 384 Kbps
    Channel(s) : 6 channels
    Channel positions : Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 KHz
    Bit depth : 16 bits
    Compression mode : Lossy
    Stream size : 256 MiB (4%)
    Title : Polish
    Language : Polish
    Default : Yes
    Forced : No

    Menu
    00:00:00.000 : en:Chapter 1
    00:05:08.933 : en:Chapter 2
    00:09:07.672 : en:Chapter 3
    00:14:45.843 : en:Chapter 4
    00:19:39.136 : en:Chapter 5
    00:29:15.545 : en:Chapter 6
    00:33:53.781 : en:Chapter 7
    00:38:17.211 : en:Chapter 8
    00:44:42.721 : en:Chapter 9
    00:51:23.955 : en:Chapter 10
    00:56:57.956 : en:Chapter 11
    01:02:53.311 : en:Chapter 12
    01:08:47.873 : en:Chapter 13
    01:13:17.393 : en:Chapter 14
    01:19:02.821 : en:Chapter 15
    01:24:49.042 : en:Chapter 16

    Best Regards,
    Mariusz

  4. #4
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
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    Default

    Hi Mariusz,

    Did you delete your transcoded files after making the "Adjust video aspect ratio" checkbox change? Right-click on the video file and click Properties. On the Properties dialog, go to the Transcoding tab and delete the transcoded files listed there. Now try streaming the video to your LG TV. If that does not work, then email us a new set of logs so we can see what's going wrong.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  5. #5
    Join Date
    Jul 2011
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    23

    Default

    Hi Paul,

    I deleted transcoded files - still no improvement. I started suspect that original movie material is "corrupted" in unknown way (non-standard resolution ?). Anyway I wait for your verdict. New log set was already sent.

    Best Regards,
    Mariusz

  6. #6
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
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    Default

    Thanks - got your logs. We'll analyse them shortly and respond back via email.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  7. #7
    Join Date
    Jul 2011
    Posts
    23

    Default

    Hello,

    Sorry for delay. In the meantime I made few tests including re-coding attempts. Good news is that second re-coding completed successfully - now Mezzmo doesn't try to transcode the movie. I've completely no idea what went wrong but now is OK. Thank you for your involvement.

    Best Regards,
    Mariusz

  8. #8
    Join Date
    Nov 2007
    Location
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    Posts
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    Glad you are up and running now, Mariusz . Thanks for posting back.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  9. #9
    Join Date
    Jul 2011
    Posts
    23

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    Hello,

    I want to refresh this thread due to the second similar case. Now movie re-coding didn't fix the problem: MKV movie is transcoded into MPEGTS format, even my TV (LG 42LV5500, LG TV profile) supports original MKV. It is strange for me because from time to time this MKV file is recognized properly. When I disabled transcoding option on Transcoding tab for the device MKV is recognized and played properly - no transcoding task is created and everything works as predicted. I flushed/clean all transcoding-related folders, but no success. Link to 5-minutes long movie sample was already sent to your mailbox.

    In the meantime I discovered second weird thing. I often replace content of movie file (add subtitles, fonts, new audio stream etc). In result such file has still the same name, but is located in different folder dedicated for tests. I see that such new (=> created for testing purposes) movie file "inherits" (from time to time) some parameters (for example play count) from original/previous test file (we have to keep in mind that in Mezzmo library can co-exist 2+ movies with the same file name). My question is: how to permanently remove from Mezzmo database such test files to avoid "inherits" ? I would like to mention that I refresh library before & after I perform any file management tasks, but many times it is not sufficient.

    Best Regards,
    Mariusz

  10. #10
    Join Date
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    Hi Mariusz,

    Thanks for the test file. We'll try to determine why it's transcoding.

    Regarding files with the same file name, Mezzmo stores the full path of your files in the Mezzmo database so there should be no duplication or inheritance of attributes form one file to another since all file paths are unique - i.e. you can have as many files called "inception.mkv" as you like in your Mezzmo library as long as they have different paths (e.g. "C:\videos\inception.mkv", "f:\movies\inception.mkv", etc.). If you can reproduce the problem you mention, then please email us more details and we'll certainly look into it.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

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