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[GH-ISSUE #15] The "native VFW implementation on Windows" binary doesn't seem to work #13
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Originally created by @fireattack on GitHub (Apr 24, 2019).
Original GitHub issue: https://github.com/gen2brain/cam2ip/issues/15
I tried both "cam2ip-1.5-64bit.zip" and "cam2ip-1.5-32bit.zip" version on 4 different computers (2 Win 7 & 2 Win10, all 64-bit) with USB cameras from various vendors, none of them work.
The symptom is: the program started fine, and the camera would be activated for a second and then it immediately went off.
There is no apparent error on the console, until you open http://localhost:56000/mjpeg, when it will start to throw
2019/04/24 14:34:28 mjpeg: read: camera: can not retrieve frame: EOFerrors constantly.The "cam2ip-1.5-64bit-cv2.zip" version works flawlessly.
It is not a big deal to me personally since I can just use CV2 version instead, but think developers may want to know this.
Thanks!
@fireattack commented on GitHub (Apr 24, 2019):
Small note: this is under my impression that users don't need to install anything additionally for " Video for Windows (VfW) framework" to run the binary - I didn't find anything to download for that, at least.
If this is not the case please correct me.
@gen2brain commented on GitHub (Apr 30, 2019):
I only tested
Video for Windowsin VMs, both on Win7 and Win10. It is a very old API but is available via syscalls. Newer versions of Windows have some dll wrappers that wrap new technologies and APIs and make them available forVfWbut I don't know all the details. I remember there was some tool from such wrappers to check and maybe enable? support, really not sure.@Xart3mis commented on GitHub (Nov 2, 2022):
same issue here
@ricolk commented on GitHub (Jan 18, 2023):
Also using cam2ip-1.6-64bit-cv, CV version on Win10, I can get only a frame with a http://localhost:56000/jpeg request.
After every further request I get this error message.
jpeg: read: camera: can not retrieve frameRestarting the binary, it works for a single frame only.
@exxxt4zy commented on GitHub (Oct 8, 2023):
use cv2 version