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

  1. #21
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    Mar 2011
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    316

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    Discovered something interesting this morning while I was messing with some lower bitrate HEVC/h265 encoded files. Until now, I was using Vimu Media Player to playback an BD Rips and the Mezzmo Media Player for everything else (other than the stuttering issue, everything is better about the Mezzmo Media Player). I tried playing back one of the h265 encoded files with the Mezzmo player and it was choppy and stuttery like the BD rips have been. While flipping between files I accidentally played back the same file with Vimu and it played smoothly. On a hunch, I disabled the Hardware encoder and VOILA, playback looked exactly like it does on the FireTV. I played back the same file with the Mezzmo Player, flipping between having the HW and SW decoders active and the picture jitters the same either way.

    Is there a chance this is an issue where the CPU in the FireTV stick is not capable of playing back high bitrate and HEVC files and the Mezzmo Media Player is not actually using the HW decoder even though it is set to do so?
    Last edited by smitbret; 12-14-2017 at 10:39 AM.

  2. #22
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    Sep 2009
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    Yes it is possible that even though HW is selected the player will fallback to software decoding as a hardware decoder cannot be found or is blacklisted due to performance issues. Vimu may be providing their own driver for the hardware decoding or could be using one of the blacklisted decoders, we can investigate here to see if HEVC files are being decoded using a software decoder.

    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. #23
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    Mar 2011
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    316

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    Quote Originally Posted by Peter View Post
    Yes it is possible that even though HW is selected the player will fallback to software decoding as a hardware decoder cannot be found or is blacklisted due to performance issues. Vimu may be providing their own driver for the hardware decoding or could be using one of the blacklisted decoders, we can investigate here to see if HEVC files are being decoded using a software decoder.
    As I think about it, this would also explain why the FireTV box with its beefier CPU presents the same problem with BD Rips but not nearly to the extreme that I see on the sticks.

  4. #24
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    Sep 2009
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    I tried a BD rip here that was a 20Mbit h264 video and it played without issue, this was on a FireTV stick. Can you please post the ffmpeg information of a file that has problems when streaming so that we can find a similar file here?

    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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