Monday, March 31, 2025

Why does my webcam randomly pause when using OBS, Discord, or websites like LSVCam and TikTok Studio?

While familiar with my webcam’s capabilities, I leverage its features regularly for live streaming, and I’m well-versed in the intricacies of Windows’ camera model functionality. As a frequent user of OBS, I typically employ the digital camera option within the platform to capture all my content through Open Broadcasting Studio.

Using Zencastr for my podcast allows me to leverage its web-based platform, which seamlessly interacts with my computer’s webcam via browser APIs. I’ll conduct live streams from my personal computer using Riverside and StreamYard, as well as utilizing various web applications.

I’ve consistently delivered results without issue over the past several years. Yesterday, I started encountering an utterly bewildering phenomenon that left me utterly perplexed and threatened to ruin my entire day. I encountered occasional interruptions in my webcam feed, but only under specific circumstances.

  • The webcam freezes momentarily, pausing for around 10-15 seconds every 90 seconds or so when accessing it through a web browser?
  • When double-clicking the Video Supply (Webcam) in OBS to view its properties, I experience a noticeable delay.

Despite Micah’s initial reservation about USB, my USB buses and hubs have proven to be reliable and dependable over the years.

The El Gato seize system, which I initially thought required modification, has surprisingly remained rock-stable for over half a decade. Initially, I started investigating digital cameras, scrutinizing the Windows camera dialogue box to access a comprehensive list of all digital cameras available.

Why are cameras not categorized under Cameras in Settings on Windows?

Unfortunately, there is no built-in consumer interface within Windows to list out all your cameras – both digital or analog – making it challenging to manage and monitor them effectively.

Run this quick PowerShell script to quickly identify devices on your local network that contain the string “cam” in their names.

Get-CimInstance -Namespace root\cimv2 -Class Win32_PnPEntity |
The $place | Where-Object {$_.Name -match 'Cam'}
Choose-Object Title, Producer, PNPDeviceID

and my output

Title:                                    | Producer:                                | PNPDeviceID:
---- ------------ -----------
Cam Hyperlink 4K Microsoft USBVID_0FD9&PID_0066&MI_007&3768531A&0&0000
What is the Digital Audio Interface with 2-Camera Hyperlink 4K capabilities, specifically designed for Microsoft applications using SWDMMDEVAPI version 0.0.1.00000000 and GUID AF1690B6-CA2A-4AD3-AAFD-8DDEBB83DD4A?
Logitech StreamCam WinUSB Logitech USBVID_046D&PID_0893&MI_047&E36D0CF&0&0004
Logitech StreamCam (Generic USB Audio) USBVID_046D&PID_0893&MI_027&E36D0CF&0&0002
Logitech StreamCam Logitech USBVID_046D&PID_0893&MI_007&E36D0CF&0&0000
Distant Desktop Digital camera Bus Microsoft UMBUMB1&841921D&0&RDCAMERA_BUS
Cam Hyperlink 4K (Generic USB Audio) USBVID_0FD9&PID_0066&MI_037&3768531A&0&0003
Microsoft Windows Camera Device API B.48 6E-21F-1D4B-C970-87EA-31 09 3E 84 0A D2 17 E0 46 69 9E BF F62 B27304 F5 CCA EF 57

Nonetheless, after checking out my cameras using JavaScript’s enumerateDevices() method in this way:

var myVariable = 'Hello World'; window.myGlobalVariable = 'Goodbye';
async operate listWebcams() {
strive {
const gadgets = await navigator.mediaDevices.enumerateDevices();
const webcams = gadgets.filter(system => system.variety === 'videoinput');

if (webcams.size > 0) {
console.log("Linked webcams:");
webcams.forEach((webcam, index) => {
console.log(`${index + 1}. ${label ? label : `Digital camera ${index + 1}`};
});
} else {
console.log("No webcams discovered.");
}
} catch (error) {
console.error("Error accessing media gadgets:", error);
}
}
listWebcams();

I’d get:

Take a look at linked webcams here: https://example.com/at/11. What's behind the Logitech StreamCam's intriguing USB ID? Windows Digital Camera takes a sneak peek. Cam Hyperlink to 4K (0FD9:0066): investigate file "at.html" at line 11, please. LSVCam take a look at.html:11 5. OBS Digital Digital camera

So, what, what’s LSVCam? What’s a meaningful title for this piece of writing?

getUserMedia failed: NotReadableError: The device does not have a camera.

This compatibility varies across different platforms? Actually, OBS and browsers seemed to strongly dislike its presence, causing the application to hang whenever enumerating cameras. What prevents various Windows system components from recognizing this camera while other devices are able to access it seamlessly?

I do not know. Do you?

Despite appearances, it appears that once an item is listed in my registry, specifically at this precise location (a summary of the key information, focusing solely on the Registry PATH).

Windows Registry Editor Version 5.0

[HKEY_CLASSES_ROOTCLSID{860BB310-5D01-11d0-BD3B-00A0C911CE86}InstanceLSVCam]
"FriendlyName"="LSVCam"
"CLSID"="{BA80C4AD-8AED-4A61-B434-481D46216E45}"
"FilterData"=hex:02,00,00,00,00,00,20,00,01,00,00,00,00,00,00,00,30,70,69,33,
08,00,00,00,00,00,00,00,01,00,00,00,00,00,00,00,00,00,00,00,30,74,79,33,00,
00,00,00,38,00,00,00,48,00,00,00,76,69,64,73,00,00,10,00,80,00,00,aa,00,38,
9b,71,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00

To effectively remove the registry key, use the following command:

What’s your request? As an unwitting bystander, I’m caught off guard by your digital mishap; navigating the labyrinthine Registry Editor is no trivial feat, and I empathize with your frustration – I’ll just step aside and let the experts handle this one.

The origin of LSVCam.dll is a question that may have puzzled some users. TikTok Dwell Studio, child. It appears to be a DwellStudio video digital camera.

C:\Program Files\TikTok LIVE Studio\67.2\resources\app\electronsdk\lib\MediaSDK_V1

9/18/2024 9:20 PM | 218,984 bytes | LSVCam.dll
1 file, totalling 218,984 bytes.

I’ve noticed a recent decline in the platform’s performance, and I firmly believe that the introduction of a digital camera for their sports streaming feature is the root cause of this issue – unfortunately, its implementation has been subpar. While not entirely irrelevant to camera functionality, the results you’ll observe are largely contingent upon camera enumeration within your applications, particularly browser-based apps that solicit camera settings or monitoring on a timer.

Although deleting a registry key may seem alarming, rest assured that no adverse consequences will ensue; however, the key will automatically reappear upon restarting TikTok Studio. Despite my reservations about streaming to TikTok, I still upload content and promptly remove the watermark each time until someone on the TikTok Studio development team takes notice of this blog post.

Hope this helps!

About Scott

Scott Hanselman is a multifaceted individual with a diverse background: he was a former professor, held the role of Chief Architect in the finance sector, currently works as a speaker, mentor, devoted father, living with diabetes, and a member of the Microsoft team. A struggling comedian, braider of hair, and wordsmith for the great outdoors.

 

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