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Thread: mezzmo on fire tv / video to fast for h264 codec

  1. #1

    Default mezzmo on fire tv / video to fast for h264 codec

    Hi,

    I do run a mezzmo server version 5.0.5.0 on my PC
    I now added a fire TV stick to my TV and load the mezzmo fire tv app to it.

    As a profile I did choose Mezzmo Android in Mezzmo Server
    When I playback file that I have in H264 format, the video is way to fast ( at least factor 2 I would guess), where Audio has correct speed.

    If I force the stream to get transcode to MPEG2, then the speed is correct again

    Is there any way to get Video / Audio in sync without transcoding (which is bad as you can not fast forward until transcoding is done)

    Here is the ffmpeg information of a file that die fail (files I stream are mostly downloads from OnlineTvRecoder.com)

    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_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 -lstdc++' --enable-runtime-cpudetect --extra-cflags=-I/home/peter/cc32/include --extra-ldflags=-L/home/peter/cc64/lib --pkg-config=pkg-config --pkg-config-flags=--static --disable-w32threads --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, avi, from 'E:\Video\Findet_Nemo_16.09.25_15-45_rtl_120_TVOON_DE.mpg.HQ.avi':
    Metadata:
    comment : Dazwischen gegen 17:35 Uhr der RTL BibelclipIn den Tiefen des australischen Ozeans begibt sich der �berm��ig besorgte Clownfisch Marlin auf eine waghalsige Rettungsmission, nachdem sein geliebter Sohn Nemo von einem Taucher eingefangen wird. Zusammen mit
    title : Findet Nemo
    encoder : Lavf54.17.100
    encoded_by : www.onlinetvrecorder.com
    Duration: 02:15:47.86, start: 0.000000, bitrate: 1361 kb/s
    Stream #0:0: Video: h264 (High) (H264 / 0x34363248), yuv420p(tv, bt470bg), 720x576 [SAR 64:45 DAR 16:9], 1154 kb/s, 25 fps, 25 tbr, 25 tbn, 50 tbc
    Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p, 192 kb/s
    At least one output file must be specified

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


    ---> DB Level Info: 30, 100
    ---> Frame rate: 25,00
    ---> Aspect ratio: 16:9 PAR=64:45
    ---> Duration: 02:15:47

  2. #2
    Join Date
    Sep 2009
    Posts
    1,613

    Default

    Hi,
    can you please try pressing the 'HW' button on the video player when it is playing on the Fire TV to switch from hardware decoding to software to see if this allows the file to play at the correct speed? It could be a problem with the codec 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

  3. #3

    Default

    Quote Originally Posted by Peter View Post
    Hi,
    can you please try pressing the 'HW' button on the video player when it is playing on the Fire TV to switch from hardware decoding to software to see if this allows the file to play at the correct speed? It could be a problem with the codec being used.
    The good news is: Yes , the speed seems to be correct now when using SW instead of HW
    The other good news is fast forward also work
    The bad news is: I do have a offset between Audio and Video when using the Mezzmo Android Profile without transcoding

  4. #4
    Join Date
    Sep 2009
    Posts
    1,613

    Default

    Hi,
    can you please send us the file so we can test it here? Upload it to Dropbox or Google Drive and send a download link to support [at] conceiva [dot] com and we will test the file with our Fire TV Stick here to see if we can reproduce it and then we can blacklist the HW codec so that a different codec will be 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

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