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Thread: Pre-Transcoding question re: Blu-Ray ISO, Panasonic Viera ST60 DNLA

  1. #1
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    Sep 2014
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    Question Pre-Transcoding question re: Blu-Ray ISO, Panasonic Viera ST60 DNLA

    This is my first experience with Mezzmo, let me start off by saying I am INCREDIBLY impressed. The ease of use is nothing short of spectacular, especially compared with other ways of doing the sort of things Mezzmo does. BRILLIANT OVERALL DESIGN AND IMPLEMENTATION!!! And such a great price, too.

    ANYWAY-

    I've set up MEZZMO as a server on a Windows 7-64 box that I use as a home server (Intel Q9550 4core 2.8 GHz, 8 GB RAM, 5 TB RAID-5 ) on my gigabit Ethernet home LAN. (No wifi)

    I copied some DVDs as ISO's and Mezzmo plays them A-OK via my Panasonic Viera ST60's DNLA client. Video, sound all just as expected.

    I copied a few Blu-Ray to ISO and they play just fine on Android client (Galaxy Tab S 10.5) but on the Panasonic Viera ST60 I get great video but no audio. So I'm guessing I either need to change the format that Mezzmo is transcoding the audio to on-the-fly or I need to Pre-transcode the audio to some format that the Panasonic Viera ST60 understands. Hence my questions:

    • How can I tell what audio code format is being sent to my Panasonic Viera ST60 by Mezzmo for a given video ISO?

    • Is there a way to change the format that Mezzmo is transcoding to on-the-fly when sending to my Panasonic Viera ST60?

    • If I select pre-transcode, will this transcode the video as well as audio from the ISO? I don't want to lose ANY video quality- so I don't want to pre-transcode the video. I just want to transcode the audio into a format that the Panasonic Viera ST60 will be able to work with. Is there a way to pre-transcode ONLY the audio?

    • Any other suggestions for using Mezmo with the Panasonic Viera ST60?


    Thanks

    Bill
    Chicago

  2. #2
    Join Date
    Nov 2007
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    Melbourne, Australia
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    11,612

    Default

    Hi Bill,

    Glad you like Mezzmo & thanks for your kind words. Your problem may be related to the device profile that is assigned to your TV. I suggest going to the Media Devices dialog in Mezzmo and editing your device. Change the device profile to 'Panasonic Viera (2013 Base models)' and see if that works better.

    Some answers:

    • You can tell the audio codec being streamed in the video file in two ways - if the file is being transcoded by Mezzmo, go to the Transcoding pane and you will see the file listed there and what it is being transcoded to, and if the file is not being transcoded (i.e. is not listed in the Transcoding pane), then Mezzmo is just streaming the original file. You can see the original file's codecs by right-clicking on it in Mezzmo and clicking 'Get FFmpeg information'.
    • There's no simple way to change the format that Mezzmo transcodes on-the-fly. Typically another device profile should be chosen if that one does not work.
    • Pre-transcoding files will try to remux any compatible channels (codecs) in the file. Remuxing means copying the original channel into the transcoded file so its super fast and no loss of quality. Incompatible channels are transcoded into another format. In general, you will not notice any loss of quality when transcoding.

    Let us know how you go with the device profile change. I think results should be better.

    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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  3. #3
    Join Date
    Sep 2014
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    Default

    Device profile for my TV was already set to 'Panasonic Viera (2013 Base models)' - automatically set by Mezzmo when it discovered my TV at initial installation. This plays the Blu-Ray ISO smoothly, but without sound.

    I tried 'Panasonic Viera (2013 Models)' - this would not play the Blu-Ray ISO, it just said "wait"
    I tried 'Panasonic Viera 3D' and 'Panasonic Viera 3D (No DIVX)' and these played the Blu-Ray ISO WITH SOUND OK, but halted playback after about a minute.

  4. #4
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    Default

    Hi Bill,

    Please post the FFmpeg information for the video. Right-click on the video 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
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  5. #5
    Join Date
    Sep 2014
    Posts
    28

    Default FFMEG info

    Quote Originally Posted by Paul View Post
    Hi Bill,

    Please post the FFmpeg information for the video. Right-click on the video and click 'Get FFmpeg Information'.
    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
    [mpegts @ 0000000001b7f780] Failed to open codec in av_find_stream_info
    [mpegts @ 0000000001b7f780] DTS discontinuity in stream 8: packet 4 with DTS 2987284, packet 5 with DTS 3413307
    [mpegts @ 0000000001b7f780] DTS discontinuity in stream 11: packet 4 with DTS 2987283, packet 5 with DTS 3413308
    [mpegts @ 0000000001b7f780] DTS discontinuity in stream 13: packet 4 with DTS 2987268, packet 5 with DTS 3413323
    [mpegts @ 0000000001b7f780] DTS discontinuity in stream 10: packet 4 with DTS 2987255, packet 5 with DTS 3413336
    [mpegts @ 0000000001b7f780] DTS discontinuity in stream 12: packet 4 with DTS 2987249, packet 5 with DTS 3413342
    [mpegts @ 0000000001b7f780] Could not find codec parameters for stream 7 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
    Consider increasing the value for the 'analyzeduration' and 'probesize' options
    [mpegts @ 0000000001b7f780] Could not find codec parameters for stream 9 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
    Consider increasing the value for the 'analyzeduration' and 'probesize' options
    [mpegts @ 0000000001b7f780] Could not find codec parameters for stream 14 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
    Consider increasing the value for the 'analyzeduration' and 'probesize' options
    Input #0, mpegts, from 'pipe:':
    Duration: N/A, start: 11.650667, bitrate: 1728 kb/s
    Program 1
    Stream #0:0[0x1011]: Video: vc1 (Advanced) (VC-1 / 0x312D4356), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x1100]: Audio: dts (DTS-HD MA) ([134][0][0][0] / 0x0086), 48000 Hz, 5.1(side), fltp, 768 kb/s
    Stream #0:2[0x1101]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, mono, fltp, 192 kb/s
    Stream #0:3[0x1102]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, mono, fltp, 192 kb/s
    Stream #0:4[0x1103]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, mono, fltp, 192 kb/s
    Stream #0:5[0x1104]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, mono, fltp, 192 kb/s
    Stream #0:6[0x1105]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, mono, fltp, 192 kb/s
    Stream #0:7[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
    Stream #0:8[0x1201]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:9[0x1202]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
    Stream #0:10[0x1203]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:11[0x1204]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:12[0x1205]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:13[0x1206]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:14[0x1207]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
    At least one output file must be specified

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


    ---> DB Level Info: 3, 3
    ---> Frame rate: 23.98
    ---> Aspect ratio: 16:9 PAR=1:1
    ---> Duration: 01:38:30
    ---> Pipe: #archive:f:\video\blu-ray iso\forbidden_planet.iso|BDMV\STREAM\00020.m2ts

  6. #6
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    The FFmpeg output hints that there may be encoding errors in the ripped ISO and that may explain why one of your devices is struggling to play the audio channel. Try pre-transcoding the video file and see if that fixes the problem. Right-click on the video in Mezzmo and click 'Pre-transcode Files'. On the Pre-transcode Files dialog, select your device and click 'Choose Formats'. On the Transcoding Formats dialog select the bolded format and select the 'Force full transcode of all channels' checkbox. Click OK and then select the 'Pre-transcode files even if they match the devices supported formats' checkbox. Click OK to start transcoding. Wait until transcoding has fully completed and then try streaming the video now to the device.

    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
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    Pre-transcoding didn't help. Tried several device settings after the pre-transcoding had completed.

    I'll try another Blu-Ray ISO, maybe there's something odd about FORBIDDEN PLANET Blu-Ray (although it plays just fine on my Samsung Galaxy S tablet)

  8. #8
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    OK - 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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