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Thread: Aspect Ratio Issues

  1. #1
    Join Date
    Feb 2012
    Posts
    20

    Default Aspect Ratio Issues

    Help!
    I've tried everything that is suggested in the online user guide to correct the problem I'm having, all to no avail.

    Here's what happens:
    I have a letter-boxed movie that needs to be transcoded. Before transcoding, it will play to my Sony Bravia KDL-55W800B with the correct aspect ratio, letter-box intact. Once transcoded, using the Sony Bravia KDL (2015 Models) Device Profile, the letter-box is gone and video is stretched vertically. None of the solutions suggested for aspect ratio problems seem to make a difference.

    Hope somebody has a solution!
    Thanks.

  2. #2
    Join Date
    Sep 2009
    Posts
    1,960

    Default

    Hi,
    you say it will play on the TV without transcoding and shows the correct aspect ratio, can you please tell us why it needs transcoding? Does it play without audio or does it need subtitles burned?

    If it needs transcoding but the original format plays with the correct aspect ratio we can try to preserve the original codec and container when transcoding, please right-click on the file in Mezzmo then select 'Get FFmpeg Information' and then copy and paste this into a post on the forum.

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  3. #3
    Join Date
    Feb 2012
    Posts
    20

    Default

    Hi Peter,
    Thanks for the reply.
    Most movies (MP4) will stream to the tv fine without transcoding. MKV files play a bit, but start to buffer and stutter after a few minutes, so need to transcode. Some MP4 files will stop playing around 27-30 minutes without a transcode, play fine (except for aspect ratio issues) when transcoded.
    Here is the data you requested:

    ffmpeg version N-78742-gf477849 Copyright (c) 2000-2016 the FFmpeg developers
    built with gcc 4.9.2 (GCC)
    configuration: --enable-memalign-hack --arch=x86 --target-os=mingw32 --cross-prefix=i686-w64-mingw32- --enable-static --disable-shared --enable-zlib --disable-postproc --prefix=/home/peter/ffmpeg/build/gpl32 --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lpthread -lx264 -lx265 -lstdc++' --enable-pthreads --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc32/include --extra-ldflags=-L/home/peter/cc32/lib --pkg-config=pkg-config --disable-w32threads --enable-zlib --enable-libvpx --enable-libvorbis --enable-libtheora --enable-libx265 --enable-libmfx --enable-gnutls --extra-libs='-lz -lnettle -lhogweed -lgmp -lidn -lws2_32 -lcrypt32'
    libavutil 55. 19.100 / 55. 19.100
    libavcodec 57. 25.101 / 57. 25.101
    libavformat 57. 26.100 / 57. 26.100
    libavdevice 57. 0.101 / 57. 0.101
    libavfilter 6. 36.100 / 6. 36.100
    libswscale 4. 0.100 / 4. 0.100
    libswresample 2. 0.101 / 2. 0.101
    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '\\PENNYLANE\Volume_1\Movies\The Light Between Oceans.mp4':
    Metadata:
    major_brand : isom
    minor_version : 512
    compatible_brands: isomiso2avc1mp41
    creation_time : 2017-01-06 06:03:14
    encoder : Lavf56.40.101
    title : The Light Between Oceans
    comment : The Light Between Oceans
    Duration: 02:12:51.51, start: 0.000000, bitrate: 2730 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x800 [SAR 1:1 DAR 12:5], 2499 kb/s, 23.98 fps, 23.98 tbr, 11988 tbn, 47.95 tbc (default)
    Metadata:
    creation_time : 2017-01-06 06:03:14
    handler_name : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 223 kb/s (default)
    Metadata:
    creation_time : 2017-01-06 06:03:14
    handler_name : SoundHandler
    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: 12:5 PAR=1:1
    ---> Duration: 02:12:51

  4. #4
    Join Date
    Sep 2009
    Posts
    1,960

    Default

    The device profile has several formats for transcoding, you can try using one of the other formats to pre-transcode the file to see if this resolves the aspect ratio issue. mpegts is the default transcoding format but you can try using matroska or avi.

    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
    Feb 2012
    Posts
    20

    Default

    The Matroska format did the trick and it's as quick as the default mpegts format.
    Thanks!

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