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Thread: No playback for MKV, no display of AVIs in list

  1. #1
    Join Date
    Oct 2012
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    4

    Default No playback for MKV, no display of AVIs in list

    Following two problems with streaming to a Sony KDL-40V5800:
    - Most MKVs won't play, in the sense that I only see a black screen with some purple artifacts in the lower right corner, however, I do hear the soundtrack. There is the rare MKV which does actually play like it's supposed to.
    - When searching through the list of available movies on the TV, I'm seeing only MKV files. Every folder which should contain an AVI is empty.

    Streaming to a different device (Windows Media Player on a tablet) works just fine and I can see all files.

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

    Default

    Sounds like the device profile is not set correctly. Check the device profile that is being used for your TV in Mezzmo. Go to the Media Devices dialog in Mezzmo to see this. Make sure it is one of the 'Sony Bravia' device profiles (I'd recommend starting with the Sony Bravia KDL (2010 models) device profile). Restart your Mezzmo server and try streaming now. If no better, then please post the FFmpeg information on a few of the MKV files that do not play. To do this, right-click on the file in Mezzmo and click 'Get FFmpeg Information'.

    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
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    Twitter: https://twitter.com/conceiva_mezzmo
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  3. #3
    Join Date
    Oct 2012
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    4

    Default

    The TV was recognized as a Bravia (2012 models) automatically. Tried 2010 and 2011, made no difference.

    Here's the ffmpeg info for one of the MKV:

    ffmpeg version N-40693-gc457a29 Copyright (c) 2000-2012 the FFmpeg developers
    built on May 15 2012 12:57:14 with gcc 4.6.2
    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/gpl --enable-libmp3lame --enable-libx264 --enable-gpl --extra-libs='-lx264 -lpthread' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc/include --extra-ldflags=-L/home/peter/cc/lib --pkg-config=pkg-config --disable-w32threads
    libavutil 51. 51.100 / 51. 51.100
    libavcodec 54. 21.101 / 54. 21.101
    libavformat 54. 5.100 / 54. 5.100
    libavdevice 53. 4.100 / 53. 4.100
    libavfilter 2. 73.100 / 2. 73.100
    libswscale 2. 1.100 / 2. 1.100
    libswresample 0. 11.100 / 0. 11.100
    Input #0, matroska,webm, from 'D:\Movies\test.mkv':
    Duration: 02:11:14.83, start: 0.000000, bitrate: 5962 kb/s
    Chapter #0.0: start 0.000000, end 564.105000
    Metadata:
    title : 00:00:00.000
    Chapter #0.1: start 564.105000, end 904.320000
    Metadata:
    title : 00:09:24.105
    Chapter #0.2: start 904.320000, end 1388.679000
    Metadata:
    title : 00:15:04.320
    Chapter #0.3: start 1388.679000, end 1784.032000
    Metadata:
    title : 00:23:08.679
    Chapter #0.4: start 1784.032000, end 2186.810000
    Metadata:
    title : 00:29:44.032
    Chapter #0.5: start 2186.810000, end 2521.269000
    Metadata:
    title : 00:36:26.810
    Chapter #0.6: start 2521.269000, end 2949.655000
    Metadata:
    title : 00:42:01.269
    Chapter #0.7: start 2949.655000, end 3368.323000
    Metadata:
    title : 00:49:09.655
    Chapter #0.8: start 3368.323000, end 3602.224000
    Metadata:
    title : 00:56:08.323
    Chapter #0.9: start 3602.224000, end 4190.520000
    Metadata:
    title : 01:00:02.224
    Chapter #0.10: start 4190.520000, end 4526.731000
    Metadata:
    title : 01:09:50.520
    Chapter #0.11: start 4526.731000, end 4856.935000
    Metadata:
    title : 01:15:26.731
    Chapter #0.12: start 4856.935000, end 5387.424000
    Metadata:
    title : 01:20:56.935
    Chapter #0.13: start 5387.424000, end 5834.412000
    Metadata:
    title : 01:29:47.424
    Chapter #0.14: start 5834.412000, end 6212.248000
    Metadata:
    title : 01:37:14.412
    Chapter #0.15: start 6212.248000, end 6578.572000
    Metadata:
    title : 01:43:32.248
    Chapter #0.16: start 6578.572000, end 6980.682000
    Metadata:
    title : 01:49:38.572
    Chapter #0.17: start 6980.682000, end 7241.359000
    Metadata:
    title : 01:56:20.682
    Chapter #0.18: start 7241.359000, end 7773.975000
    Metadata:
    title : 02:00:41.359
    Chapter #0.19: start 7773.975000, end 7874.838000
    Metadata:
    title : 02:09:33.975
    Stream #0:0(eng): Video: h264 (High), yuv420p, 1280x536, SAR 1:1 DAR 160:67, 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1(eng): Audio: dts (DTS), 48000 Hz, 5.1(side), s16, 1536 kb/s (default)
    At least one output file must be specified

    ---> DB Level Info: 41, 100
    ---> Frame rate: 23,98
    ---> Aspect ratio: 160:67


    Though I have to ask: What about the AVIs not showing up at all?

  4. #4
    Join Date
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    Default

    We'd better get a set of logs from you to see what is happening. Please turn on logging (see http://forum.conceiva.com/showthread...nostic-logging) and restart your Mezzmo server. Connect to Mezzmo from your TV and browse to playlists or folders containing your AVIs & MKVs. Next, try playing an MKV and, when it does not play, stop your Mezzmo server and exit Mezzmo. Zip up all the logs and send them to us at support [at] conceiva [dot] com.

    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
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  5. #5
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    Oct 2012
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    Default

    E-Mail is en route.

  6. #6
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    Default

    Thanks - got your logs. We'll analyze them and respond shortly.

    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
    Sep 2009
    Posts
    1,990

    Default

    We have sent you an updated device profile to try that should resolve the problem with the avi files not being listed on the device. For the issue with the MKV files not displaying video correctly on the device, this could be an issue with the video codec, Mezzmo will remux the video to an mpegts container but if there is a problem with the video the device will not be able to decode it correctly. Pre-transcoding to force a full transcode should resolve this.

    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

  8. #8
    Join Date
    Oct 2012
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    Default

    AVIs are now displayed in the list and work.

    Pre-transcoding one of the problematic MKVs, however, did not work. Same issue as before - black screen, sound is playing.

    I also tried, just in case it was a botched encoding, to re-encode the MKV with Handbrake. Chose high-profile h.264, left the default values where they were and re-encoded the first minute of the movie.

    No dice either. Black screen, audio plays. Whether I pre-transcode or not.

  9. #9
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    Try this: Right-click on the MKV file in Mezzmo and click 'Properties'. Go to the Transcoding tab in the Properties dialog and delete all your transcoded files for this MKV file. Next, right-click on the file in Mezzmo and click 'Pre-transcode Files'. Choose your TV from the device list in the Pre-transcode Files dialog and click 'Choose Formats'. Choose 'mpegts' in the Pre-transcode Formats dialog and select the 'Force full transcode' checkbox (this will stop any remuxing - which we think may be the cause of the black video). Click OK to start your pre-transcoding. Go to the Transcoding pane to monitor progress. When transcoding has completed, try streaming the file to your TV.

    If no better, then please send us a sample MKV file that does not work. The smaller the MKV file in file size, the better. If it is under 10MB, then send it to us via email at support [at] conceiva [dot] com. Otherwise, upload it to a filesharing site like dropbox or rapidshare and email us the download link to support [at] conceiva [dot] com. Let us know how you go.

    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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