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### Question
Hey Guys, I need a solution for using an external USB camera I have seen the issues regarding UVC cameras etc. I'm just wondering if anyone has ever successfully used an external camera …
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Hello,
I recently tried using this library for controlling my OBSBOT TINY CAMERA but I cannot use it because every time I try to run the example code provided, it throws this error - Look below, Al…
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We are using zynq Ultrascale + MPSoC with custom board.
Our board has 2 USB ports(Host 2.0 and device 3.0), 2 SDI(one input and another output).
Kernel version on board is 4.19.0 and In host PC 5.4.…
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```
I have an UVC camery in my laptop, internally connected to the USB bus, which
works fine through v4l (Video4Linux) in any application I like.
However, qt-facetrainer claims that it cannot find a…
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```
I have an UVC camery in my laptop, internally connected to the USB bus, which
works fine through v4l (Video4Linux) in any application I like.
However, qt-facetrainer claims that it cannot find a…
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Hi,
I wanted to understand uvc_frame_info structure
struct uvc_frame_info {
unsigned int width;
unsigned int height;
unsigned int intervals[8];
};
static const struct uvc_frame_…
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What are the causes for that? I have a Sony FCB EV7500 and get the error:
```
uvc_start_iso_streaming: Not supported (-12)
```
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https://github.com/saki4510t/UVCCamera
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The delay for resolution 4656x3496 is about 1000ms.
I took a look at do_preview void UVCPreview::do_preview(uvc_stream_ctrl_t *ctrl) in UVCPreview.cpp.
for ( ; LIKELY(isRunning()) ; ) {
fra…
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uvc_find_device(ctx, &dev, 0, 0, NULL); 返回-4
而用uvc_get_device_with_fd(ctx, &dev, vid, pid, NULL, fd, busnum, devaddr); 就没有问题
请问这是为何？