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Thread: quicksync transcoding throws error: Mfx_err_device_failed

  1. #1
    Join Date
    Jan 2013

    Default quicksync transcoding throws error: Mfx_err_device_failed

    i created a transcoder configuration on my main /live/ application, i'm trying to transcode a 720p signal into:

    240p @300kbps
    360p @650kbps
    576p @1.500kbps

    I am using QuickSync as driver on a Ubuntu Server with:
    CPU: Intel i7 4770, GPU: Intel HD 4600

    I get an error each time i try to start on ONLY one of the streams, at random, the error is:

    INFO server comment - JNI:TranscoderSession.videoEncoderAdd[_defaultVHost_:live/_definst_/live:240p]: Create video encoder: H.264: QuickSync
    INFO server comment - JNI:VideoEncoderH264QuickSyncHost.createDone[_defaultVHost_:live/_definst_/live:240p]: Loading shared library: /usr/local/WowzaStreamingEngine/lib-native/linux64/
    WARN server comment - JNI:VideoEncoderH264QuickSyncHost[_defaultVHost_:live/_definst_/live:240p]: QuickSync: Init encoder failed [MFX_ERR_DEVICE_FAILED]
    WARN server comment - TranscoderWorkerVideoEncoder.setupEncoder[_defaultVHost_:live/_definst_/live:240p]: Error videoEncoderInitialize[H264]: 4293853206
    the other two streams are working perfectly.

    I tried changing config several times but no joy, the weird thing is that if i remove one of the streams i get the error anyways, i even tried only keeping one and it gives the error!
    If i try to transcode using two quicksync and one default it works.
    Thanks in advance, any help is greatly appreciated
    Last edited by joyrex; 03-24-2014 at 04:33 AM.

  2. #2
    Join Date
    Dec 2007


    Reference ticket #85926

  3. #3


    Hello, we are on Windows 7 and also getting this error. Was there a solution to this issue?

  4. #4
    Join Date
    Sep 2011


    A new ticket has recently been opened for this issue which is also running Windows 7 operating system (104179).

    If this was not you, please open a ticket by sending an email to
    When opening a ticket, please include a ZIP file containing the following directories:

    Please make sure you provide logs which show Wowza server starting.

    If you are not sure how to get this information please see the following tutorial.
    How to create a compressed zip file in Windows, OS X, and Linux

    - If you have a live stream please outline the type of encoder in use along with the encoding settings for the stream.
    - If you are using a .stream file to start re-streaming please provide this.
    - If you are using multiple bitrates (ABR) then please provide the SMIL file associated with your configuration.

    I will try to provide an update to this thread once the ticket is resolved.


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