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Thread: Mezzmo - 100% CPU transcoding even on Quad Core CPU

  1. #1

    Default Mezzmo - 100% CPU transcoding even on Quad Core CPU

    Hi all

    Today I went and got a Athlon X4 640 3.0ghz CPU just for the purpose of Mezzmo transcoding..

    I've had nothing but issues with stopping and stuttering and 100% CPU maxxed out on my Dual Core Athlon.
    So I thought this replacement would fix it..

    But still I'm maxing out 100% and the transcoding status says "too slow @ xxFPS"

    transcoding settings: WD TV Live Profile, Normal CPU Priority, Quality on my device is 4 notches from the left (lower quality)

    Anyone know why this is ?
    Seems to happen with ALL videos that are HD / Bluray rips.
    They will play fine for a while but sooner or later the video will catch up with the transcoding progress.

    I also just reformatted and Freshly installed WIndows to make sure it wasn't windows screwing with it.. but its not.

    I would have though a Quad core CPU would have been more than adequate?

    Anyone else having these issues?

  2. #2
    Join Date
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    Some Blu-ray rips can have very high bitrates and if Mezzmo (using ffmpeg.exe) needs to do a full transcode, then it will require a lot of CPU and RAM.

    Please contact us at support [at] conceiva [dot] com and we may have a patch that can help reduce the requirement for a full transcode (and do a quicker remux instead). In your email to us, please include a set of logs when you try to stream your Blu-ray rip. This will help us pinpoint any bottlenecks in your setup. Turn transcoding on (see http://forum.conceiva.com/showthread...nostic-logging) and restart your Mezzmo server. Connect to Mezzmo server using your WD TV Live and play the Blu-ray rip. After it starts to stutter, stop your Mezzmo server and exit Mezzmo. Zip up all the logs & send them to us at support [at] conceiva [dot] com.

    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
    Join Date
    Mar 2011
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    421

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    Quote Originally Posted by li21 View Post
    Hi all

    Today I went and got a Athlon X4 640 3.0ghz CPU just for the purpose of Mezzmo transcoding..

    I've had nothing but issues with stopping and stuttering and 100% CPU maxxed out on my Dual Core Athlon.
    So I thought this replacement would fix it..

    But still I'm maxing out 100% and the transcoding status says "too slow @ xxFPS"

    transcoding settings: WD TV Live Profile, Normal CPU Priority, Quality on my device is 4 notches from the left (lower quality)

    Anyone know why this is ?
    Seems to happen with ALL videos that are HD / Bluray rips.
    They will play fine for a while but sooner or later the video will catch up with the transcoding progress.

    I also just reformatted and Freshly installed WIndows to make sure it wasn't windows screwing with it.. but its not.

    I would have though a Quad core CPU would have been more than adequate?

    Anyone else having these issues?
    I don't think what you are experiencing is abnormal. I have an AMD Phenom IIx4 955 that is overclocked to 3.8Ghz and transcoding a raw BR rip to 1080p still challenges that. Most of my streaming is to a WD Live so I'm able to disable transcoding competely, but I do have a couple of other devices that need OTF Transcoding.

    I just played with my system after reading your post and I would think your results are consistent. I have a couple of DirecTV HDDVRs that require me to transcode everything to MPEG-2 so I ran a quick test with my BR rip of Aliens. I was unable to transcode with my CPU when it was set to 1080p, regardless of quality. I did notice in the task manager that FFMpeg's CPU usage never got above 70% even with priority set to "very high". The fps ran between 13fps and 28fps which is not going to be adequate.

    I switched to 1080i mode (which, incidentally, should probably be named 720p since the resolution is 1280x720) and I was able to run it at the highest quality setting between 36-52fps. Plenty of headroom for OTF transcoding.

    If I were a betting man, I would guess that the only CPUs you're going to get to run 1080p at a decent quality setting for BR rips will be an overclocked i5 or i7. I have my doubts that a 6-core would even be consistently up to the task for anything more than the absolute lowest 1080p settings.
    Last edited by smitbret; 08-02-2012 at 03:16 AM.

  4. #4
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    Excellent information, smitbret. Thanks for testing this & posting the results.

    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

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    I want to renew old my PC system to transcod 1080p files on-fly. My tv panasonic tx-p46g20e. Is cpu Intel Core i5-3450, 3.10GHz, 6MB, LGA1155, 22nm, 77W, enough for transcoding?

  6. #6
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    Quote Originally Posted by paulyz View Post
    I want to renew old my PC system to transcod 1080p files on-fly. My tv panasonic tx-p46g20e. Is cpu Intel Core i5-3450, 3.10GHz, 6MB, LGA1155, 22nm, 77W, enough for transcoding?
    It appears that the i5-3450 CPU is quad core - which is our minimum recommended for transcoding HD 1080p video. I would probably recommend more cores (e.g. i7) if you can afford it.

    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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    Quote Originally Posted by Paul View Post
    It appears that the i5-3450 CPU is quad core - which is our minimum recommended for transcoding HD 1080p video. I would probably recommend more cores (e.g. i7) if you can afford it.
    I did test with q6600 (quad core 2,4 Gghz), for 1080i looks ok (cpu always 90-100% usage) but for 1080p this cpu is to weak

    I7 - whats mean + 120-150 eur or + 400 eur for hexa core cpu

    Yes, I can think about AMD FX-8150 8 cores cpu ( it's cost like I5), but I don't know, amd at this time looks unreliable for me
    Last edited by paulyz; 08-07-2012 at 12:39 PM.

  8. #8
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    I'm certainly no expert in the performance & reliability of Intel vs. AMD processors, so sorry I can't help much in this regard. Hopefully others will post their computer setup & how it performs with Mezzmo - especially with regards to transcoding HD 1080 video.

    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. #9
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    By the way the I7 is not the high end of Intel CPUs, just the ones they sell to consumers. You can get something like a Intel Xeon E5-2687W 3.10GHz (20MB Cache) (Eight-Core CPU) $1924 per chip. That is a medium range Xeon. It is designed for servers and workstations.

  10. #10

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    Quote Originally Posted by JohnM View Post
    By the way the I7 is not the high end of Intel CPUs, just the ones they sell to consumers. You can get something like a Intel Xeon E5-2687W 3.10GHz (20MB Cache) (Eight-Core CPU) $1924 per chip. That is a medium range Xeon. It is designed for servers and workstations.
    Xeon ir server cpu. Yes, if you millionaire, you can use it in workstation.

    I did test with mezzmo and serviio (how I understand bought programs use FFmeg.exe), but servioo use about 40% less cpu for transcoding (some movies I can watch with serviio without problem with dual core 2.0 ghz cpu), but serviio use more hdd space (~4-9 gb). And yes, main problem for serviio is correct aspect ratio, only mkv' s with 1280x720 or 1920x1080 serviio show correct. Due this trouble I decide to use mezzmo.

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