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Thread: Cannot Load nvEncodeAPI64.dll

  1. #1

    Cannot Load nvEncodeAPI64.dll

    Hello,

    Long time audio converter customer and newbie video converter trial customer (Thinking of purchasing). I can convert using non Nvidia but want to use my internal Nvidia card and keep getting the error below. Any help would be appreciated. I have the 391.35 Nvidia drivers currently installed. Thank you!


    Error converting to MP4 (Nvidia HVEC H265), 'D:\!!!!!!!!!! Download\ESPN Films - 30 for 30 - 42 to 1.mkv' to 'D:\!!!!!!!!!! Download\ESPN Films - 30 for 30 - 42 to 1.mp4'
    [hevc_nvenc @ 0000028bc95e3180] Cannot load nvEncodeAPI64.dll
    [hevc_nvenc @ 0000028bc95e3180] The minimum required Nvidia driver for nvenc is 378.66 or newer
    Error initializing output stream 0:0 -- Error while opening encoder for output stream *0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  2. #2
    Administrator
    Join Date
    Apr 2002
    Posts
    40,758

    Re: Cannot Load nvEncodeAPI64.dll

    Not all nvidia cards are supported you would have to check with nvidia which cards are.

  3. #3

    Join Date
    Sep 2014
    Location
    Germany
    Posts
    5

    Re: Cannot Load nvEncodeAPI64.dll

    Hi,

    I have fallen into the same trap:

    My Lenovo P53s has an NVidia Quadro P520 GPU, According to the video encode and video decode list from NVidia the P520 GPU has no hardware support!

    See the list here:
    https://developer.nvidia.com/video-e...support-matrix

    This is a real disaster for a "mobile workstation"...

    So, no GPU acceleration possible with this laptop until the Intel hardware encoding is supported by dBpoweramp Video Converter...

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