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What is the last thing you thought?, Tech Edition |
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Jan 21 2021, 10:59
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elda88
Group: Gold Star Club
Posts: 16,202
Joined: 30-June 09

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Now wonder I can't use the x265 encoder in Mediacoder. Turns out it's a "Premium" feature.
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Jan 21 2021, 16:33
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Wayward_Vagabond
Group: Gold Star Club
Posts: 6,305
Joined: 22-March 09

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Started soldering the iMac to ATX power adapter last night. Removed the connectors I didn't want from either board (A stock power filter board, and an ATX right angle adapter) and cleaned up the pads. I might not use the power filter, as the 11 winding choke on it is rather bulky, and just throw some ferrites on the cable instead. Also got a DA-15 female. I intend to trim down the DVI-A to VGA cable, and ditch the VGA to Mac adapter and gender changer. DVD+/-RW drive and USB ports are mounted, and mobo still fits, but she's tight. Mounting brackets for the mobo will be interesting, but I suppose it helps there's not much place for it to go- bumping a RAM card or foulling the chassis fan are the main concerns there. The picking stuff out and concept part is fun, but implementing all the little bits can be tedious.
Corsair agreed to RMA the power supply that was being flake after it fully died, but I'll see how that works out.
Random musing I didn't know where to place- reading about woo products, it's tempting to try and do something alike for a quick buck- which is probally why there's so much of em. Despite being a piece of shit, I try to ethical in my business dealings with other people though. I couldn't live with myself. I wonder how much of the woo is purely for profit, and how much is earnestly believed by it's peddlers.
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Jan 21 2021, 17:10
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Moonlight Rambler
Group: Gold Star Club
Posts: 6,500
Joined: 22-August 12

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QUOTE(loli-hujan86 @ Jan 21 2021, 03:59)  Now wonder I can't use the x265 encoder in Mediacoder. Turns out it's a "Premium" feature.
CODE ffmpeg -i input_filename.mkv -vcodec libx265 -acodec <whatever> output_filename.mkv I remember when Mediacoder was still open-source. Those were good times. Around 12 years ago at least. Didn't even know it was still a thing today, though. It was also the only place I ever saw xulrunner being used in the wild. It was also my first introduction to ffmpeg, since at least back at the time it used ffmpeg as its backend. I bet it still does but is charging people for artificial reasons anyway. Anyone happen to have a copy of the SVN source code from when it was on sourceforge? If you seriously want to encode h.265 video, lmk and I can help with specifics or you can just read the [ trac.ffmpeg.org] FFmpeg wiki page. I keep telling people to use ffmpeg to encode videos, but it seems people really like spending money for point and drool wrappers to reading a manual page. This post has been edited by dragontamer8740: Jan 22 2021, 09:01
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Jan 21 2021, 19:05
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elda88
Group: Gold Star Club
Posts: 16,202
Joined: 30-June 09

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QUOTE(dragontamer8740 @ Jan 21 2021, 23:10)  ffmpeg Can ffmpeg convert from lossless audio formats DTS HD-MA & Dolby TrueHD? This post has been edited by loli-hujan86: Jan 22 2021, 02:06
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Jan 22 2021, 08:57
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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QUOTE(loli-hujan86 @ Jan 21 2021, 07:05)  Can ffmpeg convert from lossless audio formats DTS HD-MA & Dolby TrueHD?
Experimentally. Does not compress as well as the official tools but has gotten a lot better in the last year. *face palm* My new receiver supports all the new Dolby codecs I just forgot to configure it as I was used to not using atmos for ages. *shrugs* Not sure if it makes that big of a difference. This post has been edited by EsotericSatire: Jan 22 2021, 09:02
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Jan 22 2021, 09:20
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Moonlight Rambler
Group: Gold Star Club
Posts: 6,500
Joined: 22-August 12

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QUOTE(loli-hujan86 @ Jan 21 2021, 12:05)  Can ffmpeg convert from lossless audio formats DTS HD-MA & Dolby TrueHD? Yes. In fact it's probably what mediacoder is using to encode it. QUOTE(elda88 @ Jan 22 2021, 02:17)  Are the command line options at [ x265.readthedocs.io] https://x265.readthedocs.io/en/master/cli.html valid for ffmpeg? Not necessarily; see [trac.ffmpeg.org] https://trac.ffmpeg.org/wiki/Encode/H.265. Ffmpeg tries to largely use the same options for multiple encoder types. But for codec-specific options they are probably the same or very similar. See the section titled 'Viewing Options' for more details on how to see all the parameters you can set.Edit: yeah, it does work with them, in a way. See ` -x265-params`. Essentially, its description is " -x265-params <dictionary> set the x265 configuration using a :-separated list of key=value parameters" Still, for some simple things like bitrates or CRF, you can use the more generic ffmpeg arguments like you would for h.264. Why'd you change your username btw? This post has been edited by dragontamer8740: Jan 22 2021, 09:27
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Jan 22 2021, 09:37
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elda88
Group: Gold Star Club
Posts: 16,202
Joined: 30-June 09

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QUOTE(dragontamer8740 @ Jan 22 2021, 15:20)  Why'd you change your username btw?
Finally realized using the same hujan86 username all over the web is probably not smart. You'll easily spot me if you ever go to Pale Moon's forum for example.
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Jan 22 2021, 15:47
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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I am surprised how many people don't know how to use the bios or overclock / tune their computer.
Even on different platforms its fairly easy to read up on what to do. It even feels easier these days as bios have a lot of auto values, so you don't have to memorise the correct default values / ratios / limits etc.
it kind of annoys me that most laptop bios are still super locked down.
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Jan 22 2021, 18:43
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Moonlight Rambler
Group: Gold Star Club
Posts: 6,500
Joined: 22-August 12

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QUOTE(EsotericSatire @ Jan 22 2021, 08:47)  I am surprised how many people don't know how to use the bios or overclock / tune their computer.
Even on different platforms its fairly easy to read up on what to do. It even feels easier these days as bios have a lot of auto values, so you don't have to memorise the correct default values / ratios / limits etc.
it kind of annoys me that most laptop bios are still super locked down.
Since they got rid of the north bridge it's been a lot harder to OC the average computer. I don't OC because of that and also because I'm fine with my performance.
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Jan 23 2021, 03:56
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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QUOTE(dragontamer8740 @ Jan 22 2021, 06:43)  Since they got rid of the north bridge it's been a lot harder to OC the average computer. I don't OC because of that and also because I'm fine with my performance.
Well yes and no. I thought the same but the problem is aggressive binning of parts and segmentation of pricing. You have to do a fair bit of research into parts and also its hard to escape paying for higher performance now. Intel for example also would crack down on motherboard manufacturers that went out of spec to allow more overclocking eg unlocking overclocking for non-k parts, or applying single core boost to all cores. With my latest build I got the biggest boost from low latency ram and tuning all of the sub timings. However those kits went way up in price now. With graphics cards with binning and aggressive boost states, its quite hard to overclock much. They also put limitations in the design that hold different product segments back. To buy the cards that allow decent overclocking you have to pay almost double in some cases which renders the point moot. Overclocking used to about getting more performance for your dollar, often 30-50% more performance but now you might get 5-10% and for more than that you pay exponentially more so you aren't really gaining any price to performance ratio. What I was surprised about was that a lot of people don't know about how to turn XMP on. This post has been edited by EsotericSatire: Jan 23 2021, 05:18
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Jan 23 2021, 06:43
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Moonlight Rambler
Group: Gold Star Club
Posts: 6,500
Joined: 22-August 12

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QUOTE(EsotericSatire @ Jan 22 2021, 20:56)  Well yes and no. I thought the same but the problem is aggressive binning of parts and segmentation of pricing.
You have to do a fair bit of research into parts and also its hard to escape paying for higher performance now.
Exactly, so there's little to no point to it when the whole goal is to save money on performance to begin with. 
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Jan 23 2021, 09:02
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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QUOTE(dragontamer8740 @ Jan 22 2021, 18:43)  Exactly, so there's little to no point to it when the whole goal is to save money on performance to begin with.
I suppose. After building comps for people, I usually try to build the best computer for their budget. I messed up on my latest personal build and went massively over budget. Rice and Tuna for a while. Yeah apple users can bug me.
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Jan 23 2021, 17:59
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uareader
Group: Catgirl Camarilla
Posts: 5,594
Joined: 1-September 14

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I was starting to get really worried over not being able to connect through my home VPN. But then I used an ordinary connection to connect to this site, and thanks to H@H, I found the culprit: MY DAMN ISP CHANGED MY FIXED IP ADDRESS. But thanks to that, I could finally get the ip to use t connect and do turf normally. Arigatou Hentai World. Even after changing a 's' into 'h', it's still about heroic saviors. (IMG:[ invalid] style_emoticons/default/cool2.gif)
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Jan 24 2021, 12:45
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Moonlight Rambler
Group: Gold Star Club
Posts: 6,500
Joined: 22-August 12

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Did a Quake LAN party a couple days ago (just three people total). Had fun.
This post has been edited by dragontamer8740: Jan 24 2021, 12:45
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Jan 25 2021, 00:50
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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QUOTE(dragontamer8740 @ Jan 24 2021, 00:45)  Did a Quake LAN party a couple days ago (just three people total). Had fun.
I think the lasts Quake event I went to was 60 people in 2009. I used to love that game. edit: I am not sure if I already mentioned, but I am surprise by the impact of tuning secondary and tertiary sub timings was. I already had low latency ram 3600mhz cl14 but tuning it increased my memory bandwidth by 20%, and reduced latency from 69ns to 48ns. Some pro overclockers have gotten the kit I use to 3866mhz cl13 but they had to loosen subtimings so the overall latency was the same so I am not sure if it is worth it. I haven't bothered with tuning ram this much in ages. I didn't feel it made such a big impact in the past and most of the benefit was from higher ram speed. This post has been edited by EsotericSatire: Jan 25 2021, 02:08
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Jan 25 2021, 20:05
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elda88
Group: Gold Star Club
Posts: 16,202
Joined: 30-June 09

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Been trying to order power bank online but order got rejected and canceled. In order to ship to my location, the courier will have to use air freight. Can power banks and AA batteries "explode" or catch fire mid-flight spontaneously?
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Jan 26 2021, 01:17
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Anime Janai
Group: Members
Posts: 1,090
Joined: 23-February 09

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QUOTE(elda88 @ Jan 25 2021, 10:05)  Can power banks and AA batteries "explode" or catch fire mid-flight spontaneously?
Individual Li-Ion cells such as the 18650 type are supposed to have safety circuitry to reduce this problem. Now, as an example of individual Li-Ion cells, the law for the USA says the individual cells are supposed to have safety circuitry in each cell. Chinese-made cells may or may not have such circuitry even though they claim to have it. Sites like Gearbest (before Obama became president) seem to "know" which of their suppliers have actually had circuitry and other legally required features because I could see that most, but not all of the Li-Ion cell suppliers had their shipping option blocked to send those specific brands into the USA during Obama. But by the end of Obama, it seemed that all the batteries except for the newest offerings would get blocked for shipment to the USA. The blocked names correspond to some of the cells that were taken apart by posters in the big LED flashlight forum. When the chinese-made Li-Ion cells were taken apart, it was seen that some brands used refurbished cells, used cells, or even word out cells obtained from recycle lots. Most of the cells also lacked spacer protections, shielding, or even the required protective circuitry to reduce the chance of the cells bloating and catching on fire. [ www.gearbest.com] https://www.gearbest.com/batteries/pp_361932.html You can see that the above example Li-Ion cell even has conflicting descriptions of its capability as if the supplier couldn't make up their minds on how much faked bragging to do about their Li-Ion product. If you look at the product description, it will claim to have protective circuitry at one spot, and then claim to not have any in a different location. Similar problems exist with the claimed mAH capacity as well. Project Farm tested various chinese rechargeables, and the chinese capacity claims correllated with claims of tested batters in the LED flashlight forum that actual capacity seemed to be anywhere from 1/4 to 1/5 of the actual capacity (eg ultrafire). As to why I buy from GearBest, it is because the gearbest company at least serves as another layer between the buyer and typical AlieExpress seller. In that sense, Gearbest is a pre-qualifier for the product, and while there are lies and inferior products, at least the chance of that is less with Gearbest. [ www.gearbest.com] https://www.gearbest.com/other-consumer-ele...0515024819.html[ www.gearbest.com] https://www.gearbest.com/lock-picks-and-too...9783343387.html
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Jan 26 2021, 03:03
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Scumbini
Group: Gold Star Club
Posts: 919
Joined: 2-December 15

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I feel like I've got battered wife syndrome in relation to systemd. It causes so much headaches but I don't want to put in the effort to migrate everything over to Devuan or Artix.
I just got finished moving my daily driver(s) over to Arch and my servers to Debian from EoL Ubuntu installs and having to redo my configs on those made me remember just how nice it is when systemd doesn't respect small, unimportant things like limits.conf because it has its own values stuffed away somewhere and of course it won't respect any other config file. Oh well, hindsight is 2020 I guess.
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Jan 26 2021, 04:58
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EsotericSatire
Group: Catgirl Camarilla
Posts: 12,776
Joined: 31-July 10

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QUOTE(elda88 @ Jan 25 2021, 08:05)  Been trying to order power bank online but order got rejected and canceled. In order to ship to my location, the courier will have to use air freight. Can power banks and AA batteries "explode" or catch fire mid-flight spontaneously?
Rarely but yeah, usually due to manufacturing or damage in transport. I thought that airfreight was fine but there were limitations on the max capacity that could be shipped. I recently had not problems with 30000 mAh battery packs but the shipping for 250 wH battery was going to be hundreds of dollars.
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