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Thread: Mezzmo Media Player is jittery and glitchy on Amazon FireTV & FireTV Stick

  1. #11
    Join Date
    Jan 2012
    Posts
    15

    Default

    I pre-transcoded the file using the Mezzmo (android) device profile, but the problem is still there. I even replaced the original file with the transcoded one to make sure the newer one was playing.

    Here is the FFMPEG for the transcoded file:

    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-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 'E:\Video\Movies\Kids\Secret Life of Pets.mp4':
    Metadata:
    major_brand : isom
    minor_version : 512
    compatible_brands: isomiso2avc1mp41
    title : The Secret Life of Pets
    encoder : Lavf57.26.100
    Duration: 01:26:27.22, start: 0.021333, bitrate: 4399 kb/s
    Chapter #0:0: start 0.000000, end 305.993000
    Metadata:
    title : Chapter 1
    Chapter #0:1: start 305.993000, end 564.085000
    Metadata:
    title : Chapter 2
    Chapter #0:2: start 564.085000, end 799.445000
    Metadata:
    title : Chapter 3
    Chapter #0:3: start 799.445000, end 1083.687000
    Metadata:
    title : Chapter 4
    Chapter #0:4: start 1083.687000, end 1334.604000
    Metadata:
    title : Chapter 5
    Chapter #0:5: start 1334.604000, end 1731.960000
    Metadata:
    title : Chapter 6
    Chapter #0:6: start 1731.960000, end 1975.328000
    Metadata:
    title : Chapter 7
    Chapter #0:7: start 1975.328000, end 2215.860000
    Metadata:
    title : Chapter 8
    Chapter #0:8: start 2215.860000, end 2547.316000
    Metadata:
    title : Chapter 9
    Chapter #0:9: start 2547.316000, end 2686.914000
    Metadata:
    title : Chapter 10
    Chapter #0:10: start 2686.914000, end 3021.248000
    Metadata:
    title : Chapter 11
    Chapter #0:11: start 3021.248000, end 3285.512000
    Metadata:
    title : Chapter 12
    Chapter #0:12: start 3285.512000, end 3574.092000
    Metadata:
    title : Chapter 13
    Chapter #0:13: start 3574.092000, end 3756.232000
    Metadata:
    title : Chapter 14
    Chapter #0:14: start 3756.232000, end 4032.383000
    Metadata:
    title : Chapter 15
    Chapter #0:15: start 4032.383000, end 4386.862000
    Metadata:
    title : Chapter 16
    Chapter #0:16: start 4386.862000, end 4564.623000
    Metadata:
    title : Chapter 17
    Chapter #0:17: start 4564.623000, end 4728.078000
    Metadata:
    title : Chapter 18
    Chapter #0:18: start 4728.078000, end 4798.773000
    Metadata:
    title : Chapter 19
    Chapter #0:19: start 4798.773000, end 5187.203000
    Metadata:
    title : Chapter 20
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1036 [SAR 1:1 DAR 480:259], 4263 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
    Metadata:
    handler_name : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 130 kb/s (default)
    Metadata:
    handler_name : SoundHandler
    Stream #0:2(eng): Subtitle: mov_text (text / 0x74786574)
    Metadata:
    handler_name : SubtitleHandler
    At least one output file must be specified

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


    ---> DB Level Info: 40, 100
    ---> Frame rate: 23.98
    ---> Aspect ratio: 480:259 PAR=1:1
    ---> Duration: 01:26:27

  2. #12
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    I tried streaming a similar movie here to our FireTV and it did not have the issue during the panning sequence at the start of Secret Life of Pets. It was a lower resolution version so possibly this was why. Could you please try making a sample of the first ten minutes of the movie and then send it to us at support [at] conceiva [dot] com. To create a sample please see https://superuser.com/questions/3773...on-with-ffmpeg

    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. #13
    Join Date
    Mar 2011
    Posts
    307

    Default

    Finally got around to testing the HW/SW decoding on both the FireTV and the FireTV Stick. The FireTV Stick lacks the resources to playback my large BD rips with the SW decoder so it was just a jumpy, pausing mess. However, playback on the FireTV Box with the Software decoding was smooth, the way I would expect. Turning the HW decoding back on and it gets jittery again.

  4. #14
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    This would indicate that it is a problem with the codec being used for HW decoding, can you please enable logging in the settings of the app then exit and start the app again and try playing the video with HW enabled then disable logging and send us the log (you may need to install a file explorer app to copy the log from the /sdcard/conceiva/mezzmo folder) and we should be able to see which codec is being used.

    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. #15
    Join Date
    Jan 2012
    Posts
    15

    Default

    I was finally able to cut the sample today. I just sent it over. I did confirm that the sample does exhibit the same issue when played on the fire tv box with the Mezzmo app.

  6. #16
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    Thanks, we tested it here and there was a noticeable jump when the titles appeared in the city, if I turned on SW it was much worse. We will check to see which codec is being used for HW decoding to see if there are any alternatives available.

    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. #17
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    There is only one codec available for hardware decoding so it is not possible to improve the decoding performance. Reducing the bitrate and/or resolution of the video through transcoding appears to be the only way to remove the jitters and smooth out the playback.

    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. #18
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    I have also seen reports that 24fps videos have a problem on the FireTV http://www.aftvnews.com/fire-tv-upda...kodi-and-spmc/

    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. #19
    Join Date
    Mar 2011
    Posts
    307

    Default

    Quote Originally Posted by Peter View Post
    I have also seen reports that 24fps videos have a problem on the FireTV http://www.aftvnews.com/fire-tv-upda...kodi-and-spmc/
    Are VLC and/or Kodi doing some post processing then because the issues only exist with playback through the internal video player?

  10. #20
    Join Date
    Sep 2009
    Posts
    1,345

    Default

    Kodi does have a fix for the 24 fps issue http://www.aftvnews.com/fire-tv-upda...kodi-and-spmc/, we will need to check to see if something similar can be done for the internal video player.

    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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