Axel82
commented
5 days ago I have the same problem with “Unosquare.FFME.Windows.Sample”. The open video is available, but if I want to get the webcam images, the following error appears: Error -2 : No such file or directory.
I've tried : avdevice://dshow/?video=0 and got the following error: 'Could not open 'avdevice://dshow/?video=0'. Error -1330794744 : Protocol not found'
Any ideas?
i try this: device://dshow/?video=camera name device://gdigrab?desktop it does not work,but local file path is well.
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Error
Direct Command 'Close' not accepted. Open media before closing or changing media. Direct Command 'Open' accepted. Perparing execution. Direct Command 'Open' entered Library.LoadFFmpeg: FFmpeg v7.0.1-full_build-www.gyan.dev Media URI will be updated. Input Format: gdigrab, Input Argument: desktop Format 'gdigrab' not found. Will use automatic format detection. “Unosquare.FFME.Common.MediaContainerException”( ffme.win.dll ) “Unosquare.FFME.Common.MediaContainerException”( ffme.win.dll ) Fatal error initializing MediaContainer instance. MediaContainerException: Could not open 'desktop'. Error -2: No such file or directory Stack Trace: Unosquare.FFME.Container.MediaContainer.StreamInitialize() “Unosquare.FFME.Common.MediaContainerException”(ffme.win.dll) Direct Command 'Open' execution error MediaContainerException: Could not open 'desktop'. Error -2: No such file or directory Stack Trace: 在 Unosquare.FFME.Container.MediaContainer.StreamInitialize() 在 Unosquare.FFME.Container.MediaContainer.Initialize() 在 Unosquare.FFME.Commands.CommandManager.CommandOpenMedia(IMediaInputStream inputStream, Uri streamUri) 在 Unosquare.FFME.Commands.CommandManager.<>c__DisplayClass47_0.b__0()
EVENT START: MediaFailed
EVENT START: MediaClosed
Direct Command 'Open' completed. Result: False
EVENT DONE : MediaFailed
EVENT DONE : MediaClosed