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Old 12-17-2023, 06:27 PM   #1
zukester0760
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DSLR as web cam


My guess? Not possible, but hey...


Linux Mint Cinnamon, "Your system is up to date", system information is below in quotes.

Three different Canon DSLRs as a web cam, connected to HDMI port, tried also to USB. Live view, video mode, still photo mode; nothing worked.

HP EliteDesk 800 G2 DM 65W

Have tried multiple softwares, Cheese, Kamoso, OBS Studio, others I deleted because they failed. Been at this for months, off and on.
Have tried so many command line commands that I found in searches, videos I watched that worked for their Canon DSLR, forums, you name it.
"Camera not found" is as far as I have ever gotten.

If that is just simply not possible, then what inexpensive web cam should I get? That is easy to find and use? I have a large desktop mic that works, records, etc. I refuse to go back to Winders, no Apple nonsense.

Any ideas on what worked? Nothing worked? Went to web cam? Which one?

Thanks in Advance,
Zukester
________________________________________________________________________
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"System:
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Machine:
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Info:
  Processes: 356 Uptime: 4d 7h 27m Memory: 15.5 GiB used: 9.61 GiB (62.0%) Init: systemd v: 249
  runlevel: 5 Compilers: gcc: 11.4.0 alt: 11/12 Client: Unknown python3.10 client inxi: 3.3.13"
 
Old 12-18-2023, 07:48 AM   #2
TB0ne
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Quote:
Originally Posted by zukester0760 View Post
My guess? Not possible, but hey...
Linux Mint Cinnamon, "Your system is up to date", system information is below in quotes. Three different Canon DSLRs as a web cam, connected to HDMI port, tried also to USB. Live view, video mode, still photo mode; nothing worked. HP EliteDesk 800 G2 DM 65W

Have tried multiple softwares, Cheese, Kamoso, OBS Studio, others I deleted because they failed. Been at this for months, off and on. Have tried so many command line commands that I found in searches, videos I watched that worked for their Canon DSLR, forums, you name it. "Camera not found" is as far as I have ever gotten. If that is just simply not possible, then what inexpensive web cam should I get? That is easy to find and use? I have a large desktop mic that works, records, etc. I refuse to go back to Winders, no Apple nonsense.
You don't tell us what model Canon DSLR's you tried, but there appear to be several tutorials:
https://www.canon-europe.com/cameras...owers%20online.

Apparently, Canon sells an HDMI to USB video capture device..that is what makes it show up as a webcam/camera to ANY operating system. As far as what webcams work with Linux, they pretty much all do. Both Logitech and Anker make great USB cams with mics, in the $50-70 range, and you can get some less that $20. Since you have the cameras (three of them, apparently), investing in one more piece of Canon hardware wouldn't be much of a stretch.
 
1 members found this post helpful.
Old 12-18-2023, 09:02 AM   #3
TenTenths
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There's only a few Canon DSLRs that can be used directly as a webcam, and any time I've tried it they've required the installation of Windows software, so it's highly unlikely they'll work "plug and play" with linux.

Even under windows I gave up and just use a cheapo webcam, a DSLR with decent lens etc. is going to need a fairly solid tripod and a chunk of space.
 
Old 12-18-2023, 11:16 AM   #4
zukester0760
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Quote:
Originally Posted by TenTenths View Post
There's only a few Canon DSLRs that can be used directly as a webcam, and any time I've tried it they've required the installation of Windows software, so it's highly unlikely they'll work "plug and play" with linux.

Even under windows I gave up and just use a cheapo webcam, a DSLR with decent lens etc. is going to need a fairly solid tripod and a chunk of space.
Which is what I encountered. is the quality good enough for a cheapo web cam? I spent hours yesterday looking at Pros/Cons of so many it made my head swim and spin. Some to me did not even look like a web cam with this tiny lens in the middle but, if it works, hey. I just want it to work when attached, be reliable and durable enough for a time. I do have professional equipment such as a very strong tripod, so that is fine. can I used my desk mic and bypass theirs? Maybe just turn their mic off. I can easily test that.

Off to search for a web cam. I do not have time to fiddle with something so hard, or something that Canon makes that MAY work, may not.

Thanks,
Zukester
 
Old 12-18-2023, 11:58 AM   #5
TB0ne
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Quote:
Originally Posted by zukester0760 View Post
Which is what I encountered. is the quality good enough for a cheapo web cam? I spent hours yesterday looking at Pros/Cons of so many it made my head swim and spin. Some to me did not even look like a web cam with this tiny lens in the middle but, if it works, hey. I just want it to work when attached, be reliable and durable enough for a time. I do have professional equipment such as a very strong tripod, so that is fine. can I used my desk mic and bypass theirs? Maybe just turn their mic off. I can easily test that.

Off to search for a web cam. I do not have time to fiddle with something so hard, or something that Canon makes that MAY work, may not.
Again, either Logitech or Anker make excellent USB cams with mics. Use your own if you want; select whichever one you want in whatever software you're using. And you shouldn't have to 'fiddle with' anything...plug in the Canon HDMI to USB video capture device and that's it...it'll come up as a camera on your system, the OS doesn't matter. All the USB cams are pretty similar.

The one I use: https://www.amazon.com/Anker-PowerCo...dp/B09MFMTMPD/ $49. Enjoy.
 
Old 12-18-2023, 12:05 PM   #6
obobskivich
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Some generic questions:

- In order to be 'plug and play' the Canon would need to be a UVC device, what does it appear as via lsusb? I'm guessing it is not 'that simple' and as TenTenths points out, probably will rely on some Windows-exclusive software to make all that work over USB.

- If it has a clear HDMI out, meaning no HDCP embed, and will show live video output (as a 'preview' without the OSD superimposed), you can get a UVC device that takes HDMI input which will work with Cheese/OBS/etc - Pyle makes a range of PCIe and USB devices that do this ("how can a PCIe card be a UVC device?" because it's actually a PCIe-USB3.0 controller + the UVC chipset from their USB-based external boxes, put onto an x1 card), for example, which will work in this capacity. I believe Magewell and Blackmagic also have (more expensive) options, and there's probably some generic/no-name offerings at the even cheaper end of the spectrum (vs Pyle). Keep in mind many DSLRs will have potential thermal issues running continuous video for long periods of time.

A cheap 720p or 1080p webcam with auto focus and auto white balance may not be such a bad idea - most all of these will also be UVC devices and therefore plug-and-play in linux, Windows, macOS, etc, and there's a whole mess of options from generic/no-name up through more expensive branded models from companies you've probably heard of like Anker, Logitech, Razer, etc. Depending on what you need it to do, 'get whatever is cheap and available' may be the easiest/best suggestion here. But if you have more specific quality requirements you will probably need to do some research on specs and whatnot.
 
Old 12-18-2023, 01:11 PM   #7
zukester0760
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Quote:
Originally Posted by obobskivich View Post
Some generic questions:

- In order to be 'plug and play' the Canon would need to be a UVC device, what does it appear as via lsusb? I'm guessing it is not 'that simple' and as TenTenths points out, probably will rely on some Windows-exclusive software to make all that work over USB.

- If it has a clear HDMI out, meaning no HDCP embed, and will show live video output (as a 'preview' without the OSD superimposed), you can get a UVC device that takes HDMI input which will work with Cheese/OBS/etc - Pyle makes a range of PCIe and USB devices that do this ("how can a PCIe card be a UVC device?" because it's actually a PCIe-USB3.0 controller + the UVC chipset from their USB-based external boxes, put onto an x1 card), for example, which will work in this capacity. I believe Magewell and Blackmagic also have (more expensive) options, and there's probably some generic/no-name offerings at the even cheaper end of the spectrum (vs Pyle). Keep in mind many DSLRs will have potential thermal issues running continuous video for long periods of time.

A cheap 720p or 1080p webcam with auto focus and auto white balance may not be such a bad idea - most all of these will also be UVC devices and therefore plug-and-play in linux, Windows, macOS, etc, and there's a whole mess of options from generic/no-name up through more expensive branded models from companies you've probably heard of like Anker, Logitech, Razer, etc. Depending on what you need it to do, 'get whatever is cheap and available' may be the easiest/best suggestion here. But if you have more specific quality requirements you will probably need to do some research on specs and whatnot.

I have a Mini HDMI to regular sized HDMI cable, because the USB did not do it. I was not doing "plug and play", nor expecting it to be so, knowing it would be arduous, just no imagining it would be impossible.

I was doing plug it in, download this, download that, getting "installed" and there to use, opening it, then type this, type that at the command line, opening one program after another, over and over, checking numerous Linux software programs, more commands, more programs, looking online over and over and watching others with Canon DSLRs, mine included, and the Linux software they used works. Same procedure, same software, fails.

Maybe one day........so I will look for a decent, inexpensive web cam. I am certain there are a few which are at lest reliable enough, having found some that worked with Linux. I probably have a cable for one, out of the huge bag of cables I have. Some come with one, few do from my research. But getting a cable is the least of my problems. It still has to work after that.

This has been months now. I remember Linux pre-internet, not even dialup yet. Four days with my geeky son (he built the Cal State online school), and I, to get just the video card to work in SUSE, early 1990s. But this is 2023. No complaints with the Linux people , I get it. Linux has come a long way.

If anyone can recommend a brand that is reliable enough, hundred bucks or so, maybe less, maybe more, I will try it.

Thanks,
Zukester
 
Old 12-18-2023, 01:30 PM   #8
TB0ne
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Quote:
Originally Posted by zukester0760 View Post
I have a Mini HDMI to regular sized HDMI cable, because the USB did not do it. I was not doing "plug and play", nor expecting it to be so, knowing it would be arduous, just no imagining it would be impossible.

I was doing plug it in, download this, download that, getting "installed" and there to use, opening it, then type this, type that at the command line, opening one program after another, over and over, checking numerous Linux software programs, more commands, more programs, looking online over and over and watching others with Canon DSLRs, mine included, and the Linux software they used works. Same procedure, same software, fails.
Again, this is *NOT IMPOSSIBLE*, but you are not answering the question asked about what model Canon cameras you have, and seem to be ignoring what you're told. Canon makes a SPECIFIC DEVICE to do exactly what you want: use your camera as a webcam. You literally plug your camera in to the device, and plug it into a USB port. That's it...nothing 'arduous' or difficult. It shows up as a camera.
Quote:
Maybe one day........so I will look for a decent, inexpensive web cam. I am certain there are a few which are at lest reliable enough, having found some that worked with Linux. I probably have a cable for one, out of the huge bag of cables I have. Some come with one, few do from my research. But getting a cable is the least of my problems. It still has to work after that.

This has been months now. I remember Linux pre-internet, not even dialup yet. Four days with my geeky son (he built the Cal State online school), and I, to get just the video card to work in SUSE, early 1990s. But this is 2023. No complaints with the Linux people , I get it. Linux has come a long way. If anyone can recommend a brand that is reliable enough, hundred bucks or so, maybe less, maybe more, I will try it.
And again, you appear to be ignoring what you're told; you were given brands that work well, and even handed a link to a specific one that's excellent, and works on Linux very well. Did you not see these things??? Again, the Anker camera is $49...you were handed a link to it. You were given a link to the Canon website that tells you how to do exactly what you'd like with your DSLR. You were told that Canon makes a device to do this, and that it works on Linux and any OS.

What more, exactly, would you like???
 
Old 12-18-2023, 01:31 PM   #9
business_kid
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+1 on obobskivich's post.

I would add that the days of overpriced SLRs sold by fancy companies where even the cleaning ladies all drive limos are over. They've been replaced by mobile phone cameras for everything except long distance work. The effort and the expense of optics has moved to video cameras, & mobile phones. The latter have some huge effort gone into devices & software. Volume keeps the costs down.

I can't see you getting this working, but you're welcome to try. IME, SLRs interface poorly with pcs, and your mobile phone camera may outperform it unless it's ancient. Documentaries are shot these days with a mobile phone or two and a video editor to patch video clips together, add voiceovers, etc.

EDIT: As an example of cheap long distance cameras, check out the range of drone cameras. Check this out https://www.joom.com/en/products/64e...848eae1d365745
What struck me was:
* Single 4K camera, 3 battery - €40
* Dual 4K camera, three battery - €43

That values the extra 4K camera at €3! Now that's manufacturer's cost, but it's revealing nonetheless.

Last edited by business_kid; 12-18-2023 at 01:44 PM.
 
Old 12-18-2023, 02:24 PM   #10
zukester0760
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Quote:
Originally Posted by business_kid View Post
+1 on obobskivich's post.

I would add that the days of overpriced SLRs sold by fancy companies where even the cleaning ladies all drive limos are over. They've been replaced by mobile phone cameras for everything except long distance work. The effort and the expense of optics has moved to video cameras, & mobile phones. The latter have some huge effort gone into devices & software. Volume keeps the costs down.

I can't see you getting this working, but you're welcome to try. IME, SLRs interface poorly with pcs, and your mobile phone camera may outperform it unless it's ancient. Documentaries are shot these days with a mobile phone or two and a video editor to patch video clips together, add voiceovers, etc.

EDIT: As an example of cheap long distance cameras, check out the range of drone cameras. Check this out https://www.joom.com/en/products/64e...848eae1d365745
What struck me was:
* Single 4K camera, 3 battery - €40
* Dual 4K camera, three battery - €43

That values the extra 4K camera at €3! Now that's manufacturer's cost, but it's revealing nonetheless.
I just did not think that that would work. Hmmmm.....cell phone tripod mount. a couple of quid and a bob, i can screw into top of tripod. Well, I think I will try it, do one video and see how it looks. That's the bees knees. Here I was in a spot of bother, all cheesed off, feeling less daft.

I will let you know how this works, thank you.

Jolly Good! Carry on!
 
Old 12-18-2023, 04:31 PM   #11
TB0ne
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Quote:
Originally Posted by zukester0760 View Post
I just did not think that that would work. Hmmmm.....cell phone tripod mount. a couple of quid and a bob, i can screw into top of tripod. Well, I think I will try it, do one video and see how it looks. That's the bees knees. Here I was in a spot of bother, all cheesed off, feeling less daft.

I will let you know how this works, thank you. Jolly Good! Carry on!
No, they're not saying use your cell phone as a webcam; you apparently aren't reading/understanding/paying attention.

AGAIN:
  • You can use the Canon hardware easily; it literally is plug-and-play, and will just show up as a camera under any OS; Linux/Windows/Mac. Providing, of course, your camera supports it, and you've yet to answer the simple "What model Canon do you have?" question.
  • You were given two brands that work well and are cheap; you can actually try to look one up for purchase
  • You were given a specific link to an excellent camera that works with Linux/Windows/Mac with zero setup.
Not sure why you're not understanding these things or why you ignore what you're told. Good luck.
 
Old 12-20-2023, 04:33 PM   #12
obobskivich
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To add on to TB0ne's point - the Canon-specific hardware is probably just an HDMI-to-UVC bridge, and there are loads of those available, but as TB0ne has pointed out: whether this works depends on the specific Canon DSLR you're using and if it can output clear video via HDMI (not all can). Otherwise just go for a UVC webcam which will work Windows/Linux/Mac/whatever else supports UVC (its a standard). The idea to use your phone as a self-contained solution isn't that radical either (where you'd run whatever video messaging application on the phone too), but using your phone as a webcam ('plugged into' a PC) I believe is still a Mac-iPhone exclusive hat trick (could be wrong this, I've just never seen or read about it being done outside of newer Macs with newer iPhones).
 
Old 12-20-2023, 05:36 PM   #13
zukester0760
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Quote:
Originally Posted by obobskivich View Post
To add on to TB0ne's point - the Canon-specific hardware is probably just an HDMI-to-UVC bridge, and there are loads of those available, but as TB0ne has pointed out: whether this works depends on the specific Canon DSLR you're using and if it can output clear video via HDMI (not all can). Otherwise just go for a UVC webcam which will work Windows/Linux/Mac/whatever else supports UVC (its a standard). The idea to use your phone as a self-contained solution isn't that radical either (where you'd run whatever video messaging application on the phone too), but using your phone as a webcam ('plugged into' a PC) I believe is still a Mac-iPhone exclusive hat trick (could be wrong this, I've just never seen or read about it being done outside of newer Macs with newer iPhones).
They have mini hdmi ports. And yes, Android phones may not work much better, but I did get videro, bypass the audio on it and use my desktop mic as a test so far. Thanks.
 
Old 12-21-2023, 08:59 AM   #14
TB0ne
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Quote:
Originally Posted by zukester0760 View Post
They have mini hdmi ports.
Which *STILL* doesn't tell us a model number on the cameras, does it???
Quote:
And yes, Android phones may not work much better, but I did get videro, bypass the audio on it and use my desktop mic as a test so far. Thanks.
Great; since you ignore the easy/cheap solutions in favor of this bodge, good luck.
 
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Old 12-21-2023, 10:25 AM   #15
zukester0760
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Originally Posted by TB0ne View Post
Which *STILL* doesn't tell us a model number on the cameras, does it???

Great; since you ignore the easy/cheap solutions in favor of this bodge, good luck.
1. I *STILL* told you the model number, learn to read, get glasses. No one else missed it
2. Stop being rude/nasty/mean/ unhelpful/uncooperative, proud and arrogant
3. If you do not want to answer, do not say anything.
4. I am not avoiding the "easy/cheap bodge. I need the money. You going to buy it for me?

5. Go away...leave me alone..find someone else to bother/pester. I do not have the time.
6. Do not reply, please.

I will not engage in a battle of wits with an unarmed man. We are done. Bye.
 
  


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