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Thread: Directshow Video Playback Fails to Show Video on First Open

  1. #1
    IV Newbie
    Join Date
    Feb 2019
    IrfanView 4.51
    64-bit Win 10
    CPU Cores

    Default Directshow Video Playback Fails to Show Video on First Open

    Hello! I believe I have found a bug when trying to view videos through irfanview. This seems to be related to NVidia's graphics drivers, as I just updated on Feb 1, 2019 when I first noticed this issue. Upon opening the video with DirectShow enabled, I see a black video player while the audio plays normally. Then I open the same video a second time, so that a second irfanview window opens, and that same video plays fully in the second window. This appears to happen for both 32 and 64 bit viewers, and both while running in normal and administrator mode.

    I've take a screenshot of the two players next to each other:

    The sample webm that I am testing with came from here:

    OS: windows 10 pro
    GPU: Nvidia Geforce 980ti
    Geforce Drivers: 417.71
    Codecs: K-Lite Full pack, installed on Feb 3, 2019

    -In Event viewer, no warnings or errors seem to be logged at all.
    -When you finally do have the second video playing, if you close the first window and open any other video files, they will show the same symptoms.
    -This appears to happen for any video files. I have tested with mp4 and webm.

  2. #2
    IV Newbie
    Join Date
    Apr 2019


    Wow, @ickmiester - I have the exact same issue and been trying all kinds of stuff to overcome it, but failed. I didn't get to the point to open 2 windows, but I did now and could reproduce what you describe. I also think your assumption of this being a conflict with Nvidia drivers is likely.

    @Irfanview team - is there anything you can suggest? Especially when managing larger image/video collections, the fact that there is no video view anymore (but the files are opened regardless of the extension being excluded) is a real obstacle.

    PS: I run on a GTX 1070, Win10 x64, K-Lite standard latest version.
    IrfanView 4.52 both on 32 and 64bit show the same issue.

    Last edited by davy; 17.04.2019 at 12:52 PM.

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