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A M.2 HDMI capture card
- aaronday 1y ago[dead]
- 0cf8612b2e1e 1y agoIf I wanted to capture something with HDCP, what’s the most straightforward path to stripping it away?
- baby_souffle 1y agoThere are various splitters and mixers that have the necessary edid/hdcp emulator functions. I don't know if anybody has managed to figure out how to defeat hdcp higher than 1.4 though.
- mistersquid 1y ago> I don't know if anybody has managed to figure out how to defeat hdcp higher than 1.4 though. This works for me: https://www.amazon.com/dp/B08T64JWWT https://www.amazon.com/dp/B08T64JWWT
- mschuster91 1y agoAside from the high number of 1-star reviews complaining about the gadget dying fast - how in god's name is this thing still selling assuming it can actually strip HDCP for modern HDMI standards? I'd have expected HDMI LA to be very very strict in enforcing actions against HDCP strippers. If not, why even keep up the game? It's not like pirates can already defeat virtually all copy protection mechanisms on the market, even before HDCP ever enters the field.
- mistersquid 1y ago> Aside from the high number of 1-star reviews complaining about the gadget dying fast - how in god's name is this thing still selling assuming it can actually strip HDCP for modern HDMI standards? How is 1 review a "high number of 1-star reviews"? There are a total of 32 reviews for this device, 2 of which are 1-star reviews. Only one of those warns "Stopped working in 5 minutes". The other 1-star review notes (in translation) "When I tried this device, I got another very bad device at a lower price". I'm not sure what your expectation that "HDMI LA to be very very strict in enforcing actions against HDCP strippers" means in this context. Indeed, your second paragraph seems to be an expression of consternation that manufacturers would go through the trouble of implementing HDCP given how easily it can be circumvented.
- mschuster91 1y ago> I'm not sure what your expectation that "HDMI LA to be very very strict in enforcing actions against HDCP strippers" means in this context. It used to be the case that HDMI LA would act very swiftly on any keybox leaks and revoke the certificates, as well as pursuing legal actions against sellers of HDCP strippers. These devices were sold by fly-by-night eBay and darknet sellers, not right on the storefront of Amazon. > Indeed, your second paragraph seems to be an expression of consternation that manufacturers would go through the trouble of implementing HDCP given how easily it can be circumvented. Manufacturers do because HDCP is a requirement to even be allowed to use the HDMI trademark, in contrast to DisplayPort. I was referring to HDMI LA and the goons of the movie rightsholder industry that insist on continuing this pointless arms race.
- Havoc 1y agoNot even the finest lawyers can keep up with fly by night marketplace suppliers with company names that are just random letters
- prmoustache 1y ago> how in god's name is this thing still selling assuming it can actually strip HDCP for modern HDMI standards? These random letters brands stores come and go so quickly that I guess they sell under a different name by the time your lawyer had the time to send a letter.
- userbinator 1y agoAs with the vast majority of products on Amazon, you could probably find the same on Aliexpress/baba for less.
- Aurornis 1y agoIf you're in the United States you can expect hefty brokerage fees and tariff charges for anything arriving internationally starting on May 2nd. If the Amazon listing ships from the United States it's a better choice now.
- kodt 1y agoHDFury has multiple devices that can do it, but they are fairly expensive. Many of the cheap HDMI 1x2 splitters on Amazon also strip HDCP on the secondary output. You can check reviews for hints.
- deleted 1y ago[deleted]
- ec109685 1y agoReddit says [1] this works: https://www.amazon.com/dp/B08T62MKH1?ref=ppx_pop_mob_ap_share&th=1 https://www.amazon.com/dp/B08T62MKH1?ref=ppx_pop_mob_ap_shar... I bought this a while ago and it works: https://www.amazon.com/dp/B004F9LVXC?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_3 https://www.amazon.com/dp/B004F9LVXC?ref_=ppx_hzsearch_conn_... (but is no longer available) [1] https://www.reddit.com/r/PS3/comments/1fjbzrz/comment/lp93nd7/ https://www.reddit.com/r/PS3/comments/1fjbzrz/comment/lp93nd...
- goosedragons 1y agoMy USB HDMI capture thing removes it. Wouldn't be surprised if the other no name ones did the same. It was only like $20 too.
- viccis 1y ago>Fortunately, those extra PCIe lanes tend to get repurposed as additional M.2 holes. Or unfortunately, for the unlucky people who didn't do their research, so now their extra M.2 drives are sucking up some of their GPU's PCIe bus.
- Numerlor 1y agoThe vast majority of people run just one gpu, which motherboards have a dedicated direct to CPU x16 slot for. Stealing lanes comes into play with chipset connected slots
- doubled112 1y agoThe real PITA is when adding the NVMe disables the SATA ports you planned to use.
- creatonez 1y agoDoesn't this usually only happen when you put an M.2 SATA drive in? I've never seen a motherboard manual have this caveat for actual NVMe M.2 drives. And encountering an M.2 SATA drive is quite rare.
- ZekeSulastin 1y agoI have a spare-parts NAS on a Z170 (Intel 6k/7k) motherboard with 8 SATA ports and 2 NVME slots - if I put an x2 SSD in the top slot it would disable two ports, and if it was an x4 it would disable four! Luckily the bottom m2 slot doesn’t conflict with any SATA ports, just an expansion card slot. (The board supports SATA Express even - did anything actually use that?) SATA ports are far scarcer these days though and there’s more PCIE bandwidth available anyways, so it’s not surprising that there aren’t conflicts as often anymore.
- toast0 1y agoNope, for AM5, both of the available chipsets[1] have 4 serial ports that can be configured as x4 pci-e 3.0, 4x sata, or two and two. I think Intel does similar, but I haven't really kept up. [1] A620 is cut down, but everything else is actually the same chip (or two)
- adolph 1y agoNice to see another use for those lanes exposed with M.2. M.2 to OcuLink to a standard PCIE slot/carrier still seems more flexible tho. example: https://community.frame.work/t/oculink-egpu-works-with-the-dual-m-2-expansion-bay-module/62273/5 https://community.frame.work/t/oculink-egpu-works-with-the-d...
- tehlike 1y agoCoral boards also use m.2
- amelius 1y agoLooking for a way to show an image over HDMI while my embedded system is booting, and then (seamlessly) switching over to the HDMI output of that system when booting finishes. Any ideas how to accomplish that? In hardware, of course.
- actionfromafar 1y agoThere are a bunch of HDMI switches with buttons on them, and some with remotes. Doesn't seem too outlandish to rig these buttons or remotes to be controlled by the computer itself.
- myself248 1y agoSeems to me like the answer is to get the splashscreen going earlier in your boot process. If you know the display geometry, I suspect you can skip the DDC read and just hardcode the mode and stuff, which should save even more time.
- amelius 1y agoI asked for a hardware solution. On some embedded systems there is an entire hierarchy of proprietary crapware preventing access to the display controller, and I just don't want to look into it because chances are it is futile anyway and they might change it next year or I will move to a different platform and I'll have to reinvent this again, and again. Hence hardware.
- cpgxiii 1y agoIt really depends what embedded system (and display) you have. Most "reputable" embedded system/board vendors in the x86 space are going to offer a firmware customization tool, with one of the primary uses being so that you can brand the splash screen at startup. That gets you an image as soon as the firmware brings up the display controller, which should be very fast (i.e. well under a second). YMMV for less supported embedded systems, particularly those with more complicated/proprietary display bringup. Depending on the display in question (assuming you can control the display in use), you may have the ability to configure a splash screen in the display controller itself (the display controller vendor can certainly do this, whether or not they expose it to you is the question). The most complicated (but also most flexible) option is to get whatever the simplest FPGA that can support a HDMI TX and a HDMI RX for the display resolution you desire. Then you build whatever splash screen you want into the FPGA firmware, and whatever boot-finished detection you want to handle the switch from internal splash image to HDMI RX. You'll get the splash screen essentially as soon as your FPGA and HDMI TX power on. If you really know what you're doing, you could even get HDCP passthrough from the embedded system to the display to work here, although you probably can ignore that.
- deleted 1y ago[deleted]
- peterburkimsher 1y agoLooking for a way to freeze an HDMI feed so that the current image (a PPT slide) stays up on the projector/TV while edits are made. Any suggestions welcome.
- coolhand2120 1y agohttps://magicmusicvisuals.com/ https://magicmusicvisuals.com/ combined with https://obsproject.com/ https://obsproject.com/. And possibly OBS all by itself.
- peterburkimsher 1y agoThanks, I'm aware of OBS. Ideally I'm hoping for an embedded system solution, rather than adding more software to the workflow.
- k33l0r 1y agoI haven't used one myself, but I believe that something like a Blackmagic ATEM Mini should be able to do that (and much more). https://www.blackmagicdesign.com/products/atemmini https://www.blackmagicdesign.com/products/atemmini
- mynameajeff 1y agoI'm not saying this is the most practical or affordable solution compared to a more specialized product, but if you definitely want a hardware solution, I do know (depending on your HDMI spec requirements) this would be achievable with any FPGA dev board that has HDMI In/Out. I can't say I've worked on this exact solution, but I did some basic development with a Xilinx (Z7?) board years ago that involved overlaying and modifying an incoming HDMI signal. What you're looking for should be achievable by the same means assuming there's no signal issues I'm failing to account for.
- wildzzz 1y agoSo kind of like the old freeze frame feature on TVs?
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- Venn1 1y agoThe website is wheezing a bit. Here's a link to the video https://www.youtube.com/watch?v=xNebV8KIlZQ https://www.youtube.com/watch?v=xNebV8KIlZQ
- puzzlingcaptcha 1y ago>PCIe slots are becoming an endangered species on modern motherboards Except... not at all? Just about any ATX-sized motherboard is going to have a full-sized X4 slot and a small X1 slot _in addition_ to the X16 one. And with decent audio and 2.5GBps ethernet PHY on board even those slots often sit disused. I mean, want to test goofy hardware - go for it, no need to invent a justification.
- franga2000 1y agoExcept most motherboards I see in the wild are mATX. They're more common and cheaper in stores, also basically every pre-built comes with mATX.
- wildzzz 1y agoAny anyone actually requiring more than just a single GPU and maybe a sound card probably has some pretty specific compute needs that would require something other than a cheap pre built.
- crote 1y agoI'd say that proves the point, doesn't it? Those Gen3 x1 slots are limited to 7.88Gbps so they are pretty pointless for anything beyond a sound card, and you only get a single Gen4 x4 slot. All the other x4 connections are taken up by M.2! Want to add a capture card and a HBA? Not enough slots. Want to add a capture card and a 10G/25G NIC? Not enough slots. Want to add a capture card and a USB-C expansion card? Not enough slots.
- wtallis 1y ago> Those Gen3 x1 slots are limited to 7.88Gbps so they are pretty pointless This reviewer tested the M.2 capture card with two 1080p60 signals that have a data rate of 3.2Gbps each, so a PCIe gen3 x1 slot would have been plenty of bandwidth for this use case (but not for capturing at 4k). Don't make the mistake of believing that a device which has lots of PCIe lanes actually needs all of them active to fulfill its purpose and be useful.
- gitroom 1y agoabsolutely wild seeing all the ways people stretch these boards tbh - kinda makes me wanna mess with my own setup more
- Calwestjobs 1y agoanother insane thing is having 40 Gbps USB ports used as a networking cable between two PCs... Why there is still no project which can do this by simply installing trivial driver (in windows) and 4 line patch to enable this in linux? just charge 2 dollars per year and youll be milionaire (until LTT / MS catches up and steals it from you ) It is even possible to have linux machine act as a display port sink to be used as a capture card, for streamers, youtubers,... with 0 dollar investment, 0 hardware...
- amelius 1y agoUSB isn't very reliable in my experience. It could work if you add your own error correction on top.
- Calwestjobs 1y agoYou can deal with that on another OSI Models layer. Just encapsulate/transfer something which already has FEC. not sure if wireguard has fec
- wildzzz 1y agoYou want your FEC at the lowest level possible in the OSI model so errors are detected early in the stack and you resend as few packets as possible.
- taskforcegemini 1y agoLTT?
- Calwestjobs 1y agoyoutuber which spreads marketing misiinformation and laugh into your face on live stream while doing it.
- poincaredisk 1y ago>Why there is still no project which can do this >just charge 2 dollars per year and youll be milionaire I don't know, why don't you do it? Sounds like easy money.
- gatnoodle 1y agowhat exactly is this good for?
- MortyWaves 1y agoI wish they’d never put a . in the name