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Thread: Problem with streaming high bitrate 50fps videos

  1. #1
    Join Date
    Jun 2013
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    41

    Default Problem with streaming high bitrate 50fps videos

    Hello,

    I have a Full HD camera which can record full hd 1080/50p videos (h264, MPEG-2 transport stream format). Bitrate is around 25700 kb/s. Then I can switch to AVCHD which is 1080/25p with much lower bitrate around 9000 kb/s. Problem is that first video can not be played on my Samsung F8000 TV. Second video is playable without problems. Now I don't know if bitrate is the issue, or 50fps. Anyway, this video is not playable even from USB stick so this is definitely not only a mezzmo server issue. So mezzmo correctly identify the file for transcoding. However, this does not work either. I even tried to transcode to mpeg with no luck. This file was bitrate around 9000 kb/s but I couldn't play it even from usb stick. But this transcoded video is till 50fps. So now I really don't know what's the problem. But I have strong feeling that 50fps is the problem for tv. Is it possible somehow in mezzmo to say that I want to encode video with 25fps ? Does anyone have a clue?

    Thanks, Michal

  2. #2
    Join Date
    Nov 2007
    Location
    Melbourne, Australia
    Posts
    11,646

    Default

    Hi Michal,

    We adjust the device profile so it detects the maximum fps or video bitrate and transcodes to a suitable fps or video bitrate that the TV supports. Please post the FFmpeg information for the camera video. Right-click on the video 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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  3. #3
    Join Date
    Jun 2013
    Posts
    41

    Default

    Quote Originally Posted by Paul View Post
    Hi Michal,

    We adjust the device profile so it detects the maximum fps or video bitrate and transcodes to a suitable fps or video bitrate that the TV supports. Please post the FFmpeg information for the camera video. Right-click on the video in Mezzmo and click 'Get FFmpeg Information'.
    Hi Paul, I woud say bitrate is not a problem as it should handle 40K But 1080p with 50fps will definitelly be the problem. I read that Samsung tv is not able to process this footage. So everything above 30fps with 1080p needs to be transcoded. Please adjust the file and send to my email. You shoud have it. Thanks a lot! I will test asap!

    Here's the problematic file:

    ffmpeg version N-50460-g393dcbf Copyright (c) 2000-2013 the FFmpeg developers
    built on Mar 4 2013 17:38:17 with gcc 4.6.2 (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/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 --enable-zlib
    libavutil 52. 17.103 / 52. 17.103
    libavcodec 54. 92.100 / 54. 92.100
    libavformat 54. 63.102 / 54. 63.102
    libavdevice 54. 3.103 / 54. 3.103
    libavfilter 3. 41.100 / 3. 41.100
    libswscale 2. 2.100 / 2. 2.100
    libswresample 0. 17.102 / 0. 17.102
    Input #0, mpegts, from 'E:\*****.mts':
    Duration: 00:00:14.42, start: 0.801678, bitrate: 25700 kb/s
    Program 1
    Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 50 fps, 50 tbr, 90k tbn, 100 tbc
    Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 256 kb/s
    Stream #0:2[0x1200]: 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: 42, 100
    ---> Frame rate: 50,00
    ---> Aspect ratio: 16:9

  4. #4
    Join Date
    Nov 2007
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    Melbourne, Australia
    Posts
    11,646

    Default

    Thanks - a modified device profile will be sent to you 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

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