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Greed is Subtle

The morning alarm woke up Ghen. With an annoyed sigh, he stretched out his arm and silenced the foul-sounding chirps. Slowly sitting up in bed, he let out a deep yawn and got to his feet.
Running a couple of chitinous fingers along his antennae to stimulate them to life, he made his bed and then went to his closet. Today was a work day, so he needed his suit. Once the pants were on, he stretched out his wings so that he could button up the shirt, then relaxing them once all the buttons were secured.
Dressing for the day was done, now for the morning meal. Entering his kitchen, he took out the chilled leftovers of the evening meal last night and popped it into the radiator, first defrosting and then slightly cooking it.
During that process, he also fished out a ceramic cup and placed it in his brewer, serving himself some synthesized caffeine. His idle thought led him to being amused that, when eaten directly off a plant, it has a concentration that could kill him three times over. But after going through some refinement and roasting, all it does is make him hyper.
Once the meal was put together, his plate of heated leftovers and a cup of almost-piping-hot cup of Xia's, he took his time to enjoy it. His communicator vibrated. When he looked, he found it was from his boss.
"Hello?" Ghen answered.
"Ghen, the meeting's been moved up to a few minutes from now." His boss, Xkik, announced. "Apparently higher up has something important they want to say. We have a terminal ready for you, I'll message the login details."
"Wha-, what's so important?" Ghen asked in bewilderment. "Did a water line rupture or something?"
"No, nothing like that." Xkik replied with a slight chuckle. "It's actually about the rumors we've been hearing. That human corporation wanting to acquire us? That's what they're talking about."
Ghen could feel everything inside his thorax drop to the floor. "That must mean it's true then, right? Did we get sold off by the Queen to this company then?"
"Show up to the meeting and you'll get your answer." Xkik said simply. When he finished, Ghen got the notification on his communicator. There's the login details, allowing him to remotely attend the meeting. "They're about to start, hurry up."
Once Xkik disconnected, Ghen worked fast to login and set up the remote viewing. Once everything was done, his screen started transmitting the meeting room. It was already packed. And off by the main board, he saw his answer. There was a human, resting against the wall on his two legs. Standing right in the center of everyone's view was the coordinator, Tizx, watching the clock periodically.
As soon as the meeting's start time was reached, the coordinator began. "Alright everyone. I realize that this was rather short notice, so I want to say how appreciative I am that you made it. Now then, let's just get right to it. For some time now, many of you have been hearing rumors that a human corporation has been interested in us. Why? We never really knew. We're just an organization responsible for finding, extracting and providing water to the colony here all under the direction of the Queen herself. Well, as of now, I have the answer for you. Why don't I let Ryan say that?"
Stepping back, Tizx motioned for the human, Ryan, to take over. With a nod, Ryan practically bounced over and then took the position. "Good morning to you all. I hope my Zazk is passable, heh. Anyways, the answer to those rumors, is yes. Terran Galactic Company is indeed interested in you all. Which now leads to me. I'm here to announce that, effective yesterday evening, this water company is now a subsidiary of Terran Galactic Company, under the name of Zilia Water Delivery."
Many other sub-coordinators broke into hushed conversation, no doubt speaking their thoughts with each other about this move. Ghen could only wonder if this was even a good thing. What will the humans do? Will he still have his job? Will he have to learn how to deal with the ruthless humans?
"Now, I am well aware this is quite the...uh, change." Ryan continued. "That's why I'm happy to inform you that, no, nothing negative or detrimental will happen to you. You just have new people to answer to. Operations will continue as normal, everybody here will still keep their jobs. The only real change any of you will personally experience is that Coordinator Tizx here will now report to someone else. On behalf of the Terran Galactic Company, we are extremely excited and are looking forward to working with you all. Thank you for your time."
A week later.
At least Ryan wasn't lying. After the initial shock wore off, things went back as they normally did. There were no terminations, no reductions in annual pay or anything. Nothing really changed. At least until this new meeting was called. Ghen was at the worksite this time, so he took his seat and watched as, once again, Ryan led the meeting.
"Hello again, everyone!" He said cheerfully, his Zazk noticeably improved. "I hope I didn't end up looking like a liar, right? Everything's still normal, all that?"
All the zazk in the room confirmed, providing comments to their pleasant surprise as well as lingering thoughts.
"Awesome! Awesome." Ryan said jubilantly, his fleshy mouth revealing his bone-white teeth. "Now then, you're probably wondering why I'm here again, right? Well, I got another fantastic piece of news for you all! Two, actually. I'll start with the first: Zilia Water Delivery has just completed its IPO. The company is now publicly traded!"
Ghen and the others voiced their confusion, having no idea what in the name of the Queen Ryan was talking about. What was Ryan talking about? What's an IPO? And why exactly is being publicly traded such a significant thing?
"Oh, you guys don't know any of that?" Ryan asked in surprised confusion. After everybody confirmed, he let out a quick huff as he began his explanation. "Well, to begin, IPO is short for Initial Public Offering. Basically what that means is that, before today, Zilia was privately held. Only certain individuals could buy and sell shares here. But now that we're public? Literally anyone can buy and sell shares in the company, hence us being publicly traded."
"Uh, what's a share?" Ghen asked, still completely lost.
"Oh, boy..." Ryan muttered under his breath before returning to his peppy image. "To simply put it, a share is short for having a share of ownership in a company. When you buy a share, you're buying a piece of ownership, and when you sell, you're selling that amount."
"So wait...if someone buys a share, they're a co-owner then?" One of the other team coordinators asked.
"If they get enough, yeah." Ryan nodded. "You need a lot though, and that really depends on the company. If I had to give an answer though? I'd say usually you need to have a lot more shares than a lot of people combined to be officially a co-owner, but we call that being a majority shareholder."
"And how do we do that?" Ghen asked, now growing curious but still not understanding why such a concept exists.
"Simple. Buy shares." Ryan said simply. "And that leads into the second piece of awesome news. Zilia's corporate has a product in mind, a premium-package of water delivery. Instead of the usual water that you pump out, filter and ensure its potable before delivery, with the premium package, not only will you get that, but you'll also get all of the required nutrients and vitamins the zazk body requires! And they feel you guys have the best expertise and understanding to pull it off! So, here's what we're offering as a good-faith bonus: A 25% increase to your annual salary as well as being given stock options."
Ghen wasn't sure about the second part, but the salary definitely got his attention, as well as everyone else's. Although his job was considered to have a good pay, Ghen isn't going to say no to a higher salary. In fact, he's been focusing his work on getting a promotion so he can come home with even more credits in pocket.
"What do you mean by stock options?" Ghen asked after some time.
Ryan let out that smile again, the one that revealed his teeth. "If you choose to transfer over to the new group, you'll be provided 50,000 shares in Zilia itself. Why's that awesome? Let me walk you through it. Right now, our last closing price per share was 3.02 credits. And if you have 50,000 shares during that time, you're sitting on 151,000 credits, if you cash it out immediately."
"And why shouldn't we?" One of the coordinators demanded in an ambiguous tone.
"Because the price per share changes a lot." Ryan explained promptly. "When we got done with the IPO? It closed at 2.73 a share. Right now? My money's on the closing price being 2.99 a share. However, we are extremely confident in this premium package being successful. If it does? Well, my bet is that the share price will skyrocket to 3.12 a share. If you hold those shares and the price gets to what my bet was? You'll instead get 156,000 credits. Just by holding onto them, you just made an additional 5,000 credits!"
"And what if we have more shares?" Ghen questioned, now getting excited at the prospect of free money.
"Even more money!" Ryan laughed a bit. "And don't forget about dividends, but that's for another time. The premium group is gearing up right now, we just need the workforce. If any of you wants in, I'll be back tomorrow with all the forms needed to make it official. Take the day and tonight to think it over, yeah?"
Everything else melted into a blur. Ghen was practically on autopilot that whole day. Was this the secret to the humans' incredibly massive economy? How so many of them have amassed so much money out of nowhere? All you had to do was just buy this share out of a company and you get more money without even working?
As soon as he got home, Ghen knew what he was going to do during the night. After feverishly looking through the galnet, now having the human race connected to it, he looked and gathered up as many books that were translated into zazk as he could find, all talking about the human economic system. The last time he undertook such an intensive study was during his primary education phase.
And during his search, he even found forums on the galnet that were completely dedicated to the human's economy. All of them talking about strategies on what company, or stock, to pick. How to analyze a company's performance to determine if it was worth the money, or it had potential to grow over time. And that was when he discovered the humans found another method to the extremely simple buying and selling process. There were humans and some other immigrated aliens who made five times what Ghen could receive over a simple month just by watching the share prices during trading hours, and then buying and selling them at the proper times.
Ghen's mind was just absolutely flabbergasted. He thought it was just some strange concept only aliens could make, but no, not with the humans. They've practically made their economy into an art or a science. No, not even their economy. Everything. If humans can see a way to make money off of it, they'll do it. And if there isn't, they'll look for a way.
Healthcare was monetized. Galnet services, transportation, shopping at the store, they even made all of their utilities into profit-oriented companies.
And it was there that Ghen paused, the realization slamming into him. Everything was monetized. Which means, if you don't have the money for it, you're not getting it. Right? Are the humans truly that ruthless? So obsessed with making money? To the point that they're willing to deprive their own people of the absolute necessities if it's a source of credits?
Ghen let out a scoff. There's no way. Nobody is that cruel and callous. He's never been to the United Nations. He can't rely on what a bunch of random people on the galnet says. He decided that from here on out, he'll only go as far as saying that humans are a little obsessed with credits, nothing more.
...
There he was. Ryan, sitting in the office provided to him. And there was a rather large line leading to him. Looks like word got around. Although, the line wasn't as large as he expected it to be. Maybe the others thought it was just a ruse? That there's no such thing as making free money by spending it on such a made-up concept?
Ghen only knows that, if it is a ruse, it's an extremely elaborate one, where all of the humans are in on it. And he believes that's just extremely ridiculous. At the end, if he's unsure, he'll just take the transfer for the very real increase in his very real salary. And although he spent a very good chunk of the night reading up on how humans do things, he's still going to play it smart. He'll leave his 50,000 shares alone and see where it goes from there.
"Good morning sir." Ryan greeted warmly once Ghen took his seat. "Now, name please?"
"Ghen." He answered, barely keeping his nerves down.
"Alright...and what's your position at this location?" Ryan questioned after scribbling on his form.
"I monitor the pumping stations near the extraction sites." Ghen explained, staying on point. "To be more specific, I check to see if they're in need of maintenance, as well as reading the flow rate that's determined by the calculators installed there. If there's too little for what's needed, I pump out more. And if there's too much, I pull it back a little."
"Nice...and how long have you been doing it for?" Ryan complimented with a nod.
"As of tomorrow, ten years." Ghen replied, voice quickly changing to minor awe once he realized that fact.
"Excellent. Do you have anyone in mind you'd like to replace you here?" Ryan questioned after another scribble. "If you don't have anyone, you're free to say so."
Ghen took a moment to think it over. A bunch of names went through his mind, but one stuck with him. "Tilik. He's just been accepted here, but he's learned quickly. Very attentive and he always catches something subtle. I think he'll do really well in my position, even better actually."
"Tilik, really?" Ryan questioned with a little shock, going through his completed forms. Ghen felt a short sense of panic in him. Did something happen, or was Tilik actually transferring? His answer didn't take long to reveal itself. "Right, Tilik was actually one of the first people to want to transfer here. He's actually requested to be part of the testing teams specifically. Do you have a second choice?"
"Um...no, actually." Ghen replied, feeling a little ashamed. "Tilik was my only choice, to be honest."
"Hey, don't worry." Ryan said assuringly with his hands raised. "Nothing wrong with that. Sometimes, there's just nobody up to snuff, right? 'Kay, so, last question. Is there anything specific you'd like to do when given the transfer?"
"If you need someone monitoring new pumps, I'd be happy to do that." Ghen stated.
"So basically same job but with better payoff, am I right?" Ryan grinned. "I hear you. Sometimes, we're just not paid enough for what we're doing. I know I think that sometimes. Uh, our secret, yeah?"
"Yeah, our secret." Ghen nodded, thinking it'd be better to have friendly relations with the human, just in case.
"Awesome. Back on topic, that's it." Ryan announced, placing the form on his pile. "We'll give you a call when you're accepted."
"Oh, uh, that's it?" Ghen questioned with a shrug in shocked surprise.
"What, expecting a question like, why do you want to transfer?" Ryan chuckled a bit as he leaned in his seat. "You can bullshit all you want, but we both know the answer. Sweet money and stock options. Not saying that's a bad answer of course, just that it's pretty obvious."
"I suppose it is." Ghen commented, realizing the point. "Also, you mentioned this...dividend? Is that for Zilia shares?"
Ryan laughed a little bit before nodding. "Yep, announced before I came here. About 0.43 per share. Want to know why that's awesome? Instead of waiting for the proper price to cash out your shares, now? The company pays you for each share you hold."
"A...Are you serious?" Ghen demanded, flabbergasted.
Ryan nodded with his now-trademark grin. "Dead serious. If you get the transfer, and get those 50,000 shares? A little head math...right, if you hold onto those, in addition to your salary, you'll now annually be paid 21,500 credits, if you keep it at 50,000 shares. Only you can decide to sell or buy shares."
Ghen just stood there silent and motionless, no idea of whether to believe it or not, to which Ryan just laughed. Once he walked out of the room, he managed to snap back to reality. Again, just focus on the very real pay-raise. He'll deal with the other parts later.
After he returned to his spot, he spotted Tizx approaching by his desk. The coordinator seems to be as casual as always.
"I saw you in that line a bit ago, Ghen." He said as he leaned on the desk. "Guess you're really taking that human's word?"
"I mean, I don't know about all this share business or what not." Ghen began with a shrug, his tone sounding a little defensive. "But I mean, having a bigger salary? Course I'm going for it when I can. And if all this magic credits turn out to be real? You realize we can live like the royal servants, right? Get the best cars, the nicest food and all that?"
"I'd be very careful, Ghen." Tizx warned in a sudden shift in tone. "Don't trust those humans. The way they just...obsess over money? Come up with more and more insane ways of getting credits? I don't know, it just makes my wings twitch."
"You think this is a bad idea?" Ghen asked with a little surprise at the change-in-demeanor.
"I think you should be careful, with the humans, and with what you're saying." Tizx replied, straightening his posture. "I wouldn't put it past those Earthmen to backstab you if it gets them a few more credits. And we all know how the royal servants get if any of us lowly commoners start thinking we can break into their circle."
"I hear you, I'll be on my guard, promise." Ghen stated with a nod. With a confirming nod of his own, Tizx returned back to his duty, walking past Ghen's desk.
Several weeks later.
Everything became so much better. Ghen got the transfer. He didn't need to relocate to a new residence either. And after he was walked through into learning how to manage his stock account, and seeing that new form of payment in his hands, he already felt as though he made the best decision. But it was only when he decided to take those shares more seriously that he became privy to what he was given. After receiving the dividend payment, and actually seeing it was real, valid credits after transferring it to his main bank account, all he could describe was the most powerful high he ever felt.
While his first thoughts were to buy himself a royalty-class car, some nicer furnishings for his home, or even a better home entirely, he ended up going the smarter route.
After going back to his stock account, he discovered that Zilia's shares rose to about 3.22 credits in price. Knowing that this was the easiest money he could ever make, he took all of his dividend earnings and bought more shares in Zilia, bringing him to owning 56,891.
And from his new regional coordinator, a human named Dylan, tomorrow is the grand release of the premium package. For just a monthly rate of 14.99 credits, the tap water will now include a sizeable portion of all nutrients and vitamins required in the zazk physiology. Still, Ghen has to admit. He's not entirely sure why anybody would want such a thing, if they'd even go for it. But, as long as he's practically swimming in easy credits, he won't pay much attention to it.
And just like when he was intensively studying the basics of how the human economy worked, he barely got any sleep. His mind was constantly thinking about the things he would buy. Or rather, what other stocks to put his credits into. Even now he can still hardly believe it. Just spend your money on some, make-believe thing and, if you wait long enough and picked the right stock, you'll get more than you spent back?
His mind even wandered onto what human colonies, or even their homeworld, Earth, was like. If everybody was making so much money, what kind of things would they offer? What kind of ridiculous service or product or item can you get? He's even debating on joining some forum and just asking around. Explain how he's new to how humans do things and was wondering what he should expect if he's successful.
By the time he felt like he can go to sleep, the binary-stars of the system were rising from the horizon. After getting out of his bed and changing to clean clothes, his mind returned onto what-ifs.
What if he bought better clothes? He's had his eye on that human brand of luxury clothes, Tessuti di Venezia, that's been all the rage amongst the royal servants. Or maybe he can go on vacation and just check out Earth for real?
It was a short ride to his workplace from his home. After getting stuff his stuff and preparing to walk through the doors, he heard the roar of a car grow louder. When he looked, he saw the sleekest and quite possibly the coolest looking car he's ever seen. Each time the engine revved it would startle him, both from how harsh it sounded as well as just how intense it sounded. And after it parked, he saw the doors pop out and then slide along the body back. And there, he saw Tilik, the seat literally turning and extending out a bit before he got off.
As soon as he saw Ghen staring, he struck a rather prideful pose after putting on his lab coat and then sauntered over to Ghen.
"What do you think?" Tilik said, without any doubt inviting praise or compliments.
"D...Did you actually buy that?" Ghen asked, unable to tear his eyes away from the car.
"You're Queens-damn right I did!" Tilik laughed happily. "Thing takes off like a starship, has temperature-controlled seating, all-in-one center console, barely any bouncing on rough roads. Hoof, best decision I've ever made!"
"How much did that thing cost?" Ghen asked after letting out an incredulous laugh.
"Five million credits." Tilik replied, earning an absolutely shocked stare from Ghen. "And thanks to the incredible salary I have, in addition to all these shares and dividends, I'll pay back the credits I borrowed in no time!"
Ghen needed a few moments before he could speak again. "All I've been doing is buying more shares."
Tilik laughed and then patted the now-envious monitor's back. "Smart man. I got a little carried away, yeah, but not anymore. Any spending credits I got, going right back to investing. That's what it's called right, investing?"
"Yeah, it is." Ghen nodded, feeling a fire light up in his thorax. "And also? Today's the day that the premium water thing is being released. Here's hoping it starts out well, right?"
"Oh it will, trust me." Tilik chuckled as they both began making their way inside the workplace. "Lots of research, lots of study. By the Queen, so much of it...it'll make your head spin."
And after hearing that, Ghen had a moment of realization. "Hey, Tilik? How did you get such a nice position anyways? Weren't you just studying under me before the humans came along?"
Tilik let out a sigh after opening the door. "I'll be honest, I never wanted your job. Not because it's boring or terrible, just...I didn't suffer so many sleepless nights in the science academy just to be a glorified button pusher. This is what I've always wanted. Doing science, solving problems rather than just applying the solution, you know?"
"Wait, you got an academic certificate?" Ghen questioned, completely floored. "How did you end up beneath me then? I should've been answering to you!"
"Simple." Tilik gave a heavier sigh. "A royal servant was asking for the same job I was. Take a guess at who got it."
"Ouch. Good thing the humans came along when they did, yeah?" Ghen was taken aback. He never heard anything about a servant taking a job at his place. "Looks like you're proving yourself to be well suited."
"By the Queen, of course I am." Tilik nodded. "Like I said, I nearly broke my wings through so many nights, got certified top of my class, all just to get pushed to the dirt because someone who was born into a particular family wanted the same thing I did? I know I'm smarter than any of those empty-skull servants back in the Center. I know that, whatever, uh...corporate? Yeah, whatever corporate wants out of science, I will xeek give it to them."
"Well, let me know how things go in the lab." Ghen said, admiring his drive as they neared the main office floor. "Because this is where the button pusher needs to go."
Tilik let out a laugh as he nodded. "Hey, how about we meet up at Queen's Fine Eatery tonight. I'll pay, yeah?"
Ghen, at first, wanted to admonish him for choosing such an outrageously expensive place to go. But he quickly realized that, he truly is good for it, thanks to the humans. "Well, hey, if you're paying for it."
...
It was a fantastic opening. After being told what news sites to keep in mind for stocks, he first heard it from Dylan, and then got more detail on Business Today. There was such a massive demand right from the start that Zilia needs to increase extraction just to meet it. But what really got his attention was the effect it had. Zilia Water Delivery's share price just blasted off. After seemingly holding steady at about 3.15, by the time he got home and logged onto his account, it already reached 7.04 a share. The calculator on his account told him that he got a value-gain of 54.26%.
Never in his entire life had he felt such...joy. With all of the shares he currently has? He's sitting at 400,512.64 credits. He knows that it is woefully pathetic compared to what the royal servants have just in their pockets, but the fact that he has such money, just by owning some intangible concept? Why even work at Zilia? Why doesn't he just sit at home, figure out what companies to invest in and make his money that way?
What's even the point in working a real job, getting a pathetic pay when you can just take the money you have, determine where to spend it, and get triple back? All just sitting on your wings at home, researching?
He was so wrapped up in his excited high that he completely forgot he was going to meet Tilik at Queen's. After quickly and haphazardly putting on his nicer clothes, he got to the place only a few minutes late.
Tilik was there by the guide, no doubt having been waiting for him. As soon as he strode up, Tilik's wings stiffned out some. No doubt he must've seen the numbers as well.
"I can see your wings, Ghen." Tilik began with an excited chuckle. "Made some serious credits?"
Ghen let out an incredulous scoff, struggling to find the words for a moment. "Incredible. All I'm going to say."
"Likewise." Tilik chortled some before nodding to the table guide. "All here. Table please?"
"Right this way, sir." The guide said politely. It was a short walk, travelling between round tables. The vast majority were populated by zazk, but Ghen was surprised at seeing a few humans here as well. No doubt corporate workers checking out the local food. He did spot them having bowls filled with some kind of mass. Some were brown, others white with what looks to be black specks on them.
They arrived at their table. A rather nice one, affording a view out the windows into the busy colony streets. Once Tilik and Ghen settled in, the guide handed out the menus.
"May I suggest our rather popular option for tonight?" The guide began. "Human ice-cream. Ingredients sourced from Earth itself. Very cold, but incredibly sweet, and coming in many flavors. The most popular amongst us is called vanilla-bean. The vanilla itself soaks in the cream for much of the process, and then the innards sprinkled on top of it near the end. Rumor has it that the Queen herself has demanded personal shipments of such a treat straight from the home of vanilla, an island on Earth named Madagascar."
Ghen didn't even spare a single thought. "Vanilla bean ice cream then, please."
"Same." Tilik seconded when the guide glanced to him. With a slight bow, the guide proceeded to ferry their orders to the kitchen. Thankfully it was just a short wait before the guide returned, carrying a large plate containing bowls of ice cream. Ghen could feel the saliva on his mandibles as the bowl was placed before them. He could just feel the cold air around that glistening mass of sugary goodness. The white snow decorated with the black dots of vanilla bean.
Once the guide left them, Tilik and Ghen both dived in at the same time. As soon as the ice cream entered his mouth, touched his tongue, he exploded in incomprehensible bliss. The sweetness, the smooth and creamy mass, even the taste of vanilla he wasn't sure about was just absolutely delightful. It was so overwhelming that his entire body limped, slumping in his seat as he was forced to ride on the surging tide of joy and happiness sweeping over him.
Tilik was no different. He too was taken completely by the effects of the ice cream, his wings fluttering some against the seat. Ghen could hear some noise. It was the humans they passed by. They were chuckling, grinning, and glancing over at them discreetly. Unlike the two zazk, the humans seemingly just enjoyed the ice cream as if it was just another nice dessert to them. Or perhaps they couldn't allow themselves to succumb to the high?
And as soon as the wave of indescribable bliss and happiness subsided, Ghen knew. He just knew. This was the life. He wanted this. The ice cream was just the beginning. So many things denied because he didn't have the credits, or worse, not the blood. Because he was just a drone in the great Collective, even if he had the credits, he wasn't allowed because of what caste he was born in. That fire that sparked in him when he saw Tilik's new car? It exploded into a raging firestorm.
And when looking into Tilik's eyes, Ghen could see the same. He was on the same page as Ghen was. Both of them were sold. They have the credits. And the humans? If you can pay for it, they'll never discriminate. All they cared about is if you have the money.
And by the Queen, Ghen and Tilik will endeavor to amass as much credits as physically possible.
The rest of the night faded into a blur. A blur that evokes only one thing. Bliss. It was only when he walked through the door of his pathetic hut that Ghen's mind snapped back to focus. His mandibles felt sticky. And he felt a weight in his stomach. How much ice cream did he eat? Whatever it was, he ate such volume that the lower-section of his throax extended and rounded out, visible even under his shirt. He felt something odd in his pocket. It was a receipt. 43,000 credits for ten bowls of vanilla bean ice cream. Was that ten bowls for both of them? Or individually? Ghen didn't care. He's good for it.
Returning back to his calculator, he acted upon the decision that he had made at that eatery. He's acquiring as many books about investing and stock trading as he could find, frequent and study all the discussions and arguments presented by other like-minded individuals such as he, all to ensure he can live the good life. And he had a very good feeling Tilik was doing the exact same thing.
Well, first, the gurgling in his stomach, as well as the feeling of something rising demanded his attention. Looks like he'll need to take the night off to let his stomach get back to normal.
Three Years Later.
Ghen looked out beyond the horizon, seeing the colony that he grew up in. On the far side was where his old house was. With only a simple robe on, made from the finest silk from Earth's nation-state of China, he relaxed in his seat.
It was a long road. Stockpiling credits from pre-existing investments and from subsequent pays, he and Tilik made it. From having only half a million in assets and cash, now transformed to over eight-hundred million. And now, his call contracts on American Interstellar? They've just announced a breakthrough in their next generation of warp drives, reducing the speed coefficient even further, resulting in far faster travel. And with that, their stock price climbed sharply.
Another hundred million credits in the bank. Soon, very soon, he and Tilik are about to become the galaxy's first zazk billionares. But that's not enough. There are many humans who are billionares. Only those he can count on one hand are considered trillionares. He's going to break into that circle. He and Tilik.
Looking beyond the colony, he saw the abandoned building of the workplace he transferred to when the humans arrived. Turns out, the reason for such a high demand was that the humans also slipped in sugar to the tap water. As soon as that broke, many influential royal servants demanded investigations and outright banning of Terran Galactic Company's influence over the former government division. Zilia's stock price plummeted. But thanks to an advance tip from his human coordinator, Dylan, he and Tilik made a put contract. And that's where they struck gold, as the human saying goes.
Dylan warned that if they were citizens of the United Nations, they'd be investigated and convicted for insider trading. But, since they weren't, and the Collective were only just introduced to capitalism, there's no risk at all. Now the colony is going through a withdrawal phase, Zilia has been dissolved and reformed back as a government division and are currently at work re-establishing the standard, plain water delivery.
"Well, shit." Tilik muttered as he walked up to Ghen's side, taking well to human speech. "Looks like you win. American Interstellar's announcement really was a good thing. There goes a million credits. Ah well, the Royal Shipyards will make it back for me soon."
"Oh? Did they just go corporate?" Ghen asked curiously, glancing to Tilik.
"Hell yeah they did." Tilik chuckled, sitting down. "Queen and her retard servants fought it hard, but Royal Shipyards is now officially a human-style corporation. And, to a surprise to all the xenophobes in the galaxy, they're already being offered contracts for ship production. That'll raise the stock price pretty good."
"What's that human word...?" Ghen muttered, already having a reply in mind. "Dick? Yeah, calls or suck my dick, Tilik."
Tilik roared in laughter. "Already made them. Forty credits a share by this day next month."
"I have half a mind to go thirty." Ghen chuckled. "Either way, until then, I heard from Dylan that he knows a guy who knows several prime human women who happen to be into zazk."
"You're interested in women?" Tilik said as his wings fluttered. "With how often you tell me to suck you off, I'd have thought differently."
"Oh, I always thought it was you who was into men." Ghen responded dryly. "Just wanted to be a good friend, you know? Considering how you never seem to make it past, Hey sweet thing, I'm rich you know."
"Oh, go fuck yourself." Tilik countered with a little laugh. After he stopped, wings stiffened, he looked to Ghen. "So, know any royal servants we can put the squeeze on for more revenue streams?"
"I got just the one." Ghen nodded, sitting up. "Fzik. He's been fighting to control the ice cream trade. Worried it's a corrupting influence. Got done talking with the human CEO of Nestle earlier. If we clear the way, he'll know how to squeeze a little more gains in stock price when he makes the announcement."
Tilik's wings stiffened even more, signaling his approval. "Alright, time to throw some credits around, yeah?"
AN: Sorry for the period of no updates. College is starting up, lots of stuff to clear and work out. Not sure why but I just got a bug up my butt about incorporating money and the stock market into a short. Here it is. Sorry if it seems abrupt, character limit fast approaching. Let me know how you guys think about it!
submitted by SynthoStellar to HFY [link] [comments]

Forex Signals Reddit: top providers review (part 1)

Forex Signals Reddit: top providers review (part 1)

Forex Signals - TOP Best Services. Checked!

To invest in the financial markets, we must acquire good tools that help us carry out our operations in the best possible way. In this sense, we always talk about the importance of brokers, however, signal systems must also be taken into account.
The platforms that offer signals to invest in forex provide us with alerts that will help us in a significant way to be able to carry out successful operations.
For this reason, we are going to tell you about the importance of these alerts in relation to the trading we carry out, because, without a doubt, this type of system will provide us with very good information to invest at the right time and in the best assets in the different markets. financial
Within this context, we will focus on Forex signals, since it is the most important market in the world, since in it, multiple transactions are carried out on a daily basis, hence the importance of having an alert system that offers us all the necessary data to invest in currencies.
Also, as we all already know, cryptocurrencies have become a very popular alternative to investing in traditional currencies. Therefore, some trading services/tools have emerged that help us to carry out successful operations in this particular market.
In the following points, we will detail everything you need to know to start operating in the financial markets using trading signals: what are signals, how do they work, because they are a very powerful help, etc. Let's go there!

What are Forex Trading Signals?

https://preview.redd.it/vjdnt1qrpny51.jpg?width=640&format=pjpg&auto=webp&s=bc541fc996701e5b4dd940abed610b59456a5625
Before explaining the importance of Forex signals, let's start by making a small note so that we know what exactly these alerts are.
Thus, we will know that the signals on the currency market are received by traders to know all the information that concerns Forex, both for assets and for the market itself.
These alerts allow us to know the movements that occur in the Forex market and the changes that occur in the different currency pairs. But the great advantage that this type of system gives us is that they provide us with the necessary information, to know when is the right time to carry out our investments.
In other words, through these signals, we will know the opportunities that are presented in the market and we will be able to carry out operations that can become quite profitable.
Profitability is precisely another of the fundamental aspects that must be taken into account when we talk about Forex signals since the vast majority of these alerts offer fairly reliable data on assets. Similarly, these signals can also provide us with recommendations or advice to make our operations more successful.

»Purpose: predict movements to carry out Profitable Operations

In short, Forex signal systems aim to predict the behavior that the different assets that are in the market will present and this is achieved thanks to new technologies, the creation of specialized software, and of course, the work of financial experts.
In addition, it must also be borne in mind that the reliability of these alerts largely lies in the fact that they are prepared by financial professionals. So they turn out to be a perfect tool so that our investments can bring us a greater number of benefits.

The best signal services today

We are going to tell you about the 3 main alert system services that we currently have on the market. There are many more, but I can assure these are not scams and are reliable. Of course, not 100% of trades will be a winner, so please make sure you apply proper money management and risk management system.

1. 1000pipbuilder (top choice)

Fast track your success and follow the high-performance Forex signals from 1000pip Builder. These Forex signals are rated 5 stars on Investing.com, so you can follow every signal with confidence. All signals are sent by a professional trader with over 10 years investment experience. This is a unique opportunity to see with your own eyes how a professional Forex trader trades the markets.
The 1000pip Builder Membership is ordinarily a signal service for Forex trading. You will get all the facts you need to successfully comply with the trading signals, set your stop loss and take earnings as well as additional techniques and techniques!
You will get easy to use trading indicators for Forex Trades, including your entry, stop loss and take profit. Overall, the earnings target per months is 350 Pips, depending on your funding this can be a high profit per month! (In fact, there is by no means a guarantee, but the past months had been all between 600 – 1000 Pips).
>>>Know more about 1000pipbuilder
Your 1000pip builder membership gives you all in hand you want to start trading Forex with success. Read the directions and wait for the first signals. You can trade them inside your demo account first, so you can take a look at the performance before you make investments real money!
Features:
  • Free Trial
  • Forex signals sent by email and SMS
  • Entry price, take profit and stop loss provided
  • Suitable for all time zones (signals sent over 24 hours)
  • MyFXBook verified performance
  • 10 years of investment experience
  • Target 300-400 pips per month
Pricing:
https://preview.redd.it/zjc10xx6ony51.png?width=668&format=png&auto=webp&s=9b0eac95f8b584dc0cdb62503e851d7036c0232b
VISIT 1000ipbuilder here

2. DDMarkets

Digital Derivatives Markets (DDMarkets) have been providing trade alert offerings since May 2014 - fully documenting their change ideas in an open and transparent manner.
September 2020 performance report for DD Markets.
Their manner is simple: carry out extensive research, share their evaluation and then deliver a trading sign when triggered. Once issued, daily updates on the trade are despatched to members via email.
It's essential to note that DDMarkets do not tolerate floating in an open drawdown in an effort to earnings at any cost - a common method used by less professional providers to 'fudge' performance statistics.
Verified Statistics: Not independently verified.
Price: plans from $74.40 per month.
Year Founded: 2014
Suitable for Beginners: Yes, (includes handy to follow trade analysis)
VISIT
-------

3. JKonFX

If you are looking or a forex signal service with a reliable (and profitable) music record you can't go previous Joel Kruger and the team at JKonFX.
Trading performance file for JKonFX.
Joel has delivered a reputable +59.18% journal performance for 2016, imparting real-time technical and fundamental insights, in an extremely obvious manner, to their 30,000+ subscriber base. Considered a low-frequency trader, alerts are only a small phase of the overall JKonFX subscription. If you're searching for hundreds of signals, you may want to consider other options.
Verified Statistics: Not independently verified.
Price: plans from $30 per month.
Year Founded: 2014
Suitable for Beginners: Yes, (includes convenient to follow videos updates).
VISIT

The importance of signals to invest in Forex

Once we have known what Forex signals are, we must comment on the importance of these alerts in relation to our operations.
As we have already told you in the previous paragraph, having a system of signals to be able to invest is quite advantageous, since, through these alerts, we will obtain quality information so that our operations end up being a true success.

»Use of signals for beginners and experts

In this sense, we have to say that one of the main advantages of Forex signals is that they can be used by both beginners and trading professionals.
As many as others can benefit from using a trading signal system because the more information and resources we have in our hands. The greater probability of success we will have. Let's see how beginners and experts can take advantage of alerts:
  • Beginners: for inexperienced these alerts become even more important since they will thus have an additional tool that will guide them to carry out all operations in the Forex market.
  • Professionals: In the same way, professionals are also recommended to make use of these alerts, so they have adequate information to continue bringing their investments to fruition.
Now that we know that both beginners and experts can use forex signals to invest, let's see what other advantages they have.

»Trading automation

When we dedicate ourselves to working in the financial world, none of us can spend 24 hours in front of the computer waiting to perform the perfect operation, it is impossible.
That is why Forex signals are important, because, in order to carry out our investments, all we will have to do is wait for those signals to arrive, be attentive to all the alerts we receive, and thus, operate at the right time according to the opportunities that have arisen.
It is fantastic to have a tool like this one that makes our work easier in this regard.

»Carry out profitable Forex operations

These signals are also important, because the vast majority of them are usually quite profitable, for this reason, we must get an alert system that provides us with accurate information so that our operations can bring us great benefits.
But in addition, these Forex signals have an added value and that is that they are very easy to understand, therefore, we will have a very useful tool at hand that will not be complicated and will end up being a very beneficial weapon for us.

»Decision support analysis

A system of currency market signals is also very important because it will help us to make our subsequent decisions.
We cannot forget that, to carry out any type of operation in this market, previously, we must meditate well and know the exact moment when we will know that our investments are going to bring us profits .
Therefore, all the information provided by these alerts will be a fantastic basis for future operations that we are going to carry out.

»Trading Signals made by professionals

Finally, we have to recall the idea that these signals are made by the best professionals. Financial experts who know perfectly how to analyze the movements that occur in the market and changes in prices.
Hence the importance of alerts, since they are very reliable and are presented as a necessary tool to operate in Forex and that our operations are as profitable as possible.

What should a signal provider be like?

https://preview.redd.it/j0ne51jypny51.png?width=640&format=png&auto=webp&s=5578ff4c42bd63d5b6950fc6401a5be94b97aa7f
As you have seen, Forex signal systems are really important for our operations to bring us many benefits. For this reason, at present, there are multiple platforms that offer us these financial services so that investing in currencies is very simple and fast.
Before telling you about the main services that we currently have available in the market, it is recommended that you know what are the main characteristics that a good signal provider should have, so that, at the time of your choice, you are clear that you have selected one of the best systems.

»Must send us information on the main currency pairs

In this sense, one of the first things we have to comment on is that a good signal provider, at a minimum, must send us alerts that offer us information about the 6 main currencies, in this case, we refer to the euro, dollar, The pound, the yen, the Swiss franc, and the Canadian dollar.
Of course, the data you provide us will be related to the pairs that make up all these currencies. Although we can also find systems that offer us information about other minorities, but as we have said, at a minimum, we must know these 6.

»Trading tools to operate better

Likewise, signal providers must also provide us with a large number of tools so that we can learn more about the Forex market.
We refer, for example, to technical analysis above all, which will help us to develop our own strategies to be able to operate in this market.
These analyzes are always prepared by professionals and study, mainly, the assets that we have available to invest.

»Different Forex signals reception channels

They must also make available to us different ways through which they will send us the Forex signals, the usual thing is that we can acquire them through the platform's website, or by a text message and even through our email.
In addition, it is recommended that the signal system we choose sends us a large number of alerts throughout the day, in order to have a wide range of possibilities.

»Free account and customer service

Other aspects that we must take into account to choose a good signal provider is whether we have the option of receiving, for a limited time, alerts for free or the profitability of the signals they emit to us.
Similarly, a final aspect that we must emphasize is that a good signal system must also have excellent customer service, which is available to us 24 hours a day and that we can contact them at through an email, a phone number, or a live chat, for greater immediacy.
Well, having said all this, in our last section we are going to tell you which are the best services currently on the market. That is, the most suitable Forex signal platforms to be able to work with them and carry out good operations. In this case, we will talk about ForexPro Signals, 365 Signals and Binary Signals.

Forex Signals Reddit: conclusion

To be able to invest properly in the Forex market, it is convenient that we get a signal system that provides us with all the necessary information about this market. It must be remembered that Forex is a very volatile market and therefore, many movements tend to occur quickly.
Asset prices can change in a matter of seconds, hence the importance of having a system that helps us analyze the market and thus know, what is the right time for us to start operating.
Therefore, although there are currently many signal systems that can offer us good services, the three that we have mentioned above are the ones that are best valued by users, which is why they are the best signal providers that we can choose to carry out. our investments.
Most of these alerts are quite profitable and in addition, these systems usually emit a large number of signals per day with full guarantees. For all this, SignalsForexPro, Signals365, or SignalsBinary are presented as fundamental tools so that we can obtain a greater number of benefits when we carry out our operations in the currency market.
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[Serial][UWDFF Alcubierre] Part 54

Beginning | Previous
Premier Valast felt a tingle. It began at the base of his spine and traveled moved upward, sending warm fuzzy feelings all throughout his body as it made its way to his brain and inserted itself in his conscious thoughts. After all of the misery. After all of the failures. For once, something had gone right.
How delightful. How extravagant. How deserved.
The Humans had made a mistake. Clearly, they had thought to expand upon their treachery, believing themselves to be invincible. Their monstrosity of a vessel had appeared just as their last one had, within Halcyon's inner perimeter. After their ruse of parlay, their beast had commenced belching out weapons of mass destruction, clearly in an attempt to retrieve the encryption key and the elite assassin-thief they had dispatched under the guise of a Witness.
They thought Halcyon weak. Defenseless.
Not true! Not true at all!
Kinetics. Valast laughed aloud, his rib cage heaving out great guffaws. Accelerated mass! More laughter. The savages thought to bring such inelegance against the might of the Combine? They mistook their prior fortune for competence. Their one-time success for future capability. Alas, poor Humans, the truth of your inadequacies is made manifest! The brief gap in the defenses brought on by the improbable chain of events that had resulted in their arrival had been filled. For all of their destructive potential, their weapons were useless.
Valast continued to cackle, his hindclaws scrunching up the soft material of his pillow, as he watched the Humans receive their punishment for their insolence. The Humans had made assumptions. Perhaps assumptions were fine in their backwater corner of the galaxy, but here, among civilization, assumptions could be quite dangerous indeed. It was quite unwise to assume Halcyon would leave the inner perimeter exposed. They must have thought their Evangi co-conspirators would leave the gates open for them, as the traitor Neeria had done when she had given them access to a Combine wormkey in the first place. Sadly for the Humans, their four-armed friends had been exposed for what they were. A great many of the Evangi now lay motionless on the floor of a Halcyon mainway, a fitting end to their perfidy.
Halcyon had stood since the beginning, and it would continue to stand long after the Human infestation had been expunged from the Combine Space. Perhaps the Humans should have spent more time pondering the nature of the place before they had meddled with forces they clearly did not understand. Halcyon existed in defiance of the chaotic nature of the neutron star it orbited. Its survival required an solution to the objects such a gravity well attracted. Halcyon had many such solutions, weaved together to maintain a delicate balance. Among them were the inertial dampeners.
The screen in Valast's paws bloomed with colors, indicating firings of Halcyon's inertial dampeners. Each blossom of color was an attempt by the Humans to deploy weapons in clear violation War Accords, cementing Humanity's position as a menace to decent civilization. Had Valast not commanded Bo'Bakka'Gah to take the necessary precautions, the devastation would have been significant.
Lines of crimson sailed through the blooms of color.
Valast's whiskers twitched, his eyes squinting as it tracked one of these lines.
The solution was not perfect. The intertial dampeners in close proximity to Halcyon were a final precaution, and their purpose was narrow. They were a fine net, meant to indiscriminately capture any residual high-speed astral particulate that had escaped the outer defenses. Their efficacy diminished at an exponential rate in proportion to the size and mass of the object they acted upon. Thus far, they had been quite successful at preventing the Humans from making use of their weapons, but dampeners had no effect on the Human vessels. Even if the dampeners could be used for such a purpose, their indiscriminate nature would have required the cessation of all space born travel within Halcyon, an unacceptable disruption to the workings of the Combine's capitol.
The Humans' small spherical vessels were thus capable of traveling unimpeded throughout Halcyon space, tracing their crimson lines behind them as they did so. Such a thing did not overly worry Valast. They could not fire their weapons, and they were susceptible to electromagnetic disruption, rendering them easy targets for the Peacekeepers. Were Valast not otherwise consumed with the affairs of state, he would perhaps take to the front line and dispatch a few himself. Sadly, his bravery would find no opportunity for direct expression beyond the valor found in the privilege of command competently exercised.
The whiskers ceased their twitching and some cheer returned. It would not be long before the meddlesome Human spheres were swatted from the sky and the encryption key recovered.
Then they would dispatch the Human warship.
Then Humanity.
He need only wait.
-----------
"Get spread. Get small." Sana called out. Had to buy time. Had to get a handle on the situation. Not her first rodeo, but it was the first time where she had no idea what the hell she was riding. Maybe the aliens were riding her. Maybe it wasn't a rodeo, maybe it was just a slaughter.
That was the problem. No one knew anything.
The callsigns in her local were dropping like flies. Squaddies getting wiped without so much as a peep. The eggs in Science were saying EMPs, but the balls were supposed to be fixed against that frakkery. Sensors said the balls were still there even after they went dead, so maybe they were right. Couldn't think about that now.
Couldn't think about anything but the mission.
Captain Sana Bushida had a shit-shuttle to bring to station.
She needed to get from A to B. Normally the quickest point-to-point was a line, but the baddies were coming in from all sides. Trying to corral her in. So be it. She could handle a long and squiggly with the juice she had in the four balls attached to the cockpit. Only question was how long they'd be up for. Whatever they were using on the balls wasn't touching her. She was good, but she wasn't that good.
Guess they wanted her kicking and screaming.
Predators, not scavengers then.
Frakk 'em. Right in their stupid alien faces.
Sana's brain shunted command signals as fast as her eyes to parse the readouts in her pilot pod. Dodging. Weaving. Diving. Dipping. Half those words didn't even apply to space, but they felt right. Float like a butterfly, run like cheetah on amphetos. She'd sting 'em later.
Run run run, fast as you can. You can't catch me, I'm the shit-shuttle can.
Swipe. Swipe.
Two smaller ships moved in a pincer formation, one cutting off her angle around the larger ship she was skimming around. Sana let out a giggle, as she shoved the shuttle in another direction. "You thought you had me, crapdonkey? You never had me. You're gonna be seeing my ass all day." The giggle somehow transformed into a roar halfway through as a third ship appeared in her view, coming out from its hiding place on the other side of the large ship. "SCREW YOU!" They weren't going to win. Losing wasn't an option.
Swipe.
Patterns emerged as the ballet played out. Certain ships were the herders. The small annoying frakks that always seemed to be moving around her flanks. Other ships were the receivers. They were the big boys. The ones who just floated there like giant shits in space. Lazy frakks just waiting to be fed some shit-shuttle. Fine then. New info. New tactics. New rule: Get around the herders, never get closer to the receivers.
Herders bad.
Receivers bad-der-er.
As long as she was a step ahead of the herders and two steps away from the receivers, she'd be fine. Problem was they were more agile than her. Problem was there was more of them. Problem was the friendly callsigns on her readouts kept disappearing. Problem was that she was stuck in here instead of out there where she belonged.
Ninety-nine problems...
Swipe. Swipe.
All she needed was a line of sight. A place where she could get a whiff of open space and just gun it. Navigate the maze. Get through it. Light at the end of the tunnel. Glass is half full.
Metaphor.
Analogy.
Idiom.
The stream of consciousness flowed out of her, expressing itself in her verbiage and in the desperately navigating shuttle some distance away. Step forward. No steps backward. Okay, maybe one step backward, but it'll be okay. She'd take the step forward soon enough.
Just...needed...a...line.
Alpha, Beta, Charlie, and Delta was gone.
It was just her.
Swipe. Swipe.
The fate of the world.
The shit-shuttle must survive.
Swipe. Swipe.
The gap opened.
She saw it.
They didn't.
"There it is bitches!"
All four balls slammed the thrusters on. It wasn't a direct bee line to the Oppenheimer but it was good enough. She just needed to get out of the hornet's nest and into open space so she could keep pouring on the acceleration. She didn't know how much juice the herders had, but it was all she had going for her at this point.
Bitter bile rose up in her throat as the shit-shuttle surged forward, leaving A through D behind. Her squaddies. Her friends.
Abandoned.
She should be out there.
She could be. She just needed to get the mission done. She was so close. She was putting distance between her and the baddies. Just a few more minutes...the link cut off.
Her thoughts were shunting into a wall.
She swiped, her eyes scanning the readouts.
Alcubierre - Shuttle - Cockpit (Ejection)(DISTRESS) no longer appeared.
For once, Sana was speechless.
---------------------
Kai retched air.
There was nothing else to throw up at this point. He'd given everything he had to give, and it was now floating about the cockpit in a viscous cloud. He was fairly certain Neeria was collateral damage in the matter. If she were ever to regain consciousness, she'd find she had been provided with a fresh coat of puke paint. At this point, being blind was something of a boon. Congratulations were owed to the sadist in the pilot's seat though, he hadn't emptied his stomach like this since flight sims.
He'd raise his hand in salute if it weren't for the incredible g-force shifts whipping him around like a rag doll as the pilot attempted to avoid whatever was out there. Some of the maneuvers seemed impossibly complex, as if the cockpit was navigating through an impassable morass of enemies. Or perhaps the pilot was just drunk. Either seemed possible.
The whipsawing continued. Back. Forth. Round and round. Acceleration never seemed to continue in a single direction for more than a few seconds. They were going in circles. They had to be.
Finally, it appeared the pilot had decided on a direction as Kai was slammed back into his chair as the cockpit rocketed forward under sustained acceleration. They must have broken through. Or the pilot had fallen asleep at the controls with the throttle down and they were all doomed. Either way. At this point, Kai was just eager for it to be over.
The acceleration continued. He felt like he was being crushed. Like an enormous hand was pressing against him, trying to squeeze all of his organs out through his eyes. Whatever was powering the cockpit now was beyond the parameters of the shuttle's acceleration compensators. His vision began to dim and his joints ached. Pain surged up in his right arm, which was still contorted within the goo. He was fairly certain a bone had just snapped.
"Oppenheimer..ETA," Kai managed to gasp out, drawing the breath back into his lungs with some effort.
"The shuttle is not currently on course to intercept with the UWDFF Oppenheimer."
"Joan." Kai wheezed. "Connect. Joan."
The acceleration cut off.
Kai took a huge gulp of air, the relief immediate. "Comm-link. Fleet Admiral Joan Orléans."
No response.
Kai tried again.
Silence greeted him.
Grumbling, he raised his left wrist toward his face. He stuck out his tongue and smeared it along the wrist console's interface. None of the expected beeps and chirps sounded out. It was dead, and, he suspected, so was the cockpit along with whatever had been propelling him. No life support. No way to call out for help. No way to do anything but sit there. For all intents and purposes, they were a hunk of space junk drifting off into the black oblivion.
Fair enough. It was a fitting end.
Helpless.
Hopeless.
Kai tried to muster some anger at the situation, if only to distract him from the pain coursing through his body, but found he was up to the task. It was easier to be motivated when there was something to do. Some way he could impact the situation. But there was nothing to do but wait. Maybe he'd live. Probably he'd die. He didn't mind it, that was the same binary he faced every other day. It was a bit more present in his mind than it normally was, but the truth was that he was overdue for demise. He'd given death the slip more times than anyone had a right to.
Still. It bothered him.
Not the death part. The not doing what he set out to do part.
He had run through walls, both literal and figurative, to make it this far. He didn't know what making it back to the Oppenheimer would mean for Humanity, but it had to be better than not making it. The encryption key -- what did it do? What could it do? Would it be doable? Neeria -- could she guide them? Could she help them navigate the treacherous galaxy Humanity was just beginning to play a part in?
There were so many questions. The answers could matter.
Kai tried to remember how much time they had. Without life support, the supply of oxygen would rapidly begin to deplete. He supposed it didn't matter, since he had no idea whether Neeria breathed, what Neeria she breathed, or the rate she consumed it. His space suit had a few hours of stored supply, but it was designed to work in conjunction with his helmet. Without the wrist console, he'd need to find some way to manually vent it.
That was something to do. Small, but perhaps meaningful. Anything to tilt the scales just a little bit more in their direction. Just a few more minutes of air could make a difference.
"Seconds matter," Kai wheezed out. His breath was wet and tasted of iron. He'd worry about that later. Air first. It wasn't much of a plan, but it was better than nothing.
He hoped Joan's plans were faring better.
-------------------
The Admiral's Bridge was awash in a sea of red. Multiple views vied for primacy as the situation continued to deteriorate. So far, the Oppenheimer itself had withstood the sustained EMP assault directed its way, but the same could not be said for the battle balls. Callsigns continued to blink out of existence with every passing second. The Oppenheimer had immediately attempted to provide supporting fire, but its kinetic weaponry was similarly disabled. Whatever the circumstances had been that had allowed the Alcubierre to destroy an alien vessel, they were clearly no longer relevant to the situation at hand. Without kinetics, the vast majority of Humanity's space-born projective power was effectively nullified. Science was looking into explanations and alternatives, but it would take time.
The Oppenheimer's EMP arrays had succeeded in firing, but the alien vessels appeared to be impervious to that form of assault. It was unclear whether they possessed EMP hardening around core processes similar to the Oppenheimer or they had other means of deflecting attacks of that nature. In the absence of an alternative, the Oppenheimer was continuously discharging the EMP arrays as they became available, attempting to test for weaknesses. The energy drain from the sustained fire was easily accommodated by the altered physics of local space, but it was unclear whether alien defenses could be worn down by continuous assault.
Other oddities were appearing as the situation unfolded. The aliens did not field any tactical fighters that their sensors could identify. There were ships of different sizes, but, thus far, no vessels had moved to directly engage the balls. Kai's cockpit was being corralled by a series of smaller ships working in conjunction with the larger ones, but that was it.
Joan considered it, trying to parse out deeper meanings from the absence. Human conflict, both Earthside and in space, had always heavily relied on tactical fighters. They had numerous advantages in terms of firepower projection and significantly increased tactical dynamism in a battle zone. Either the aliens had never considered the approach, or it was considered suboptimal within this environment.
Joan squinted, watching as the battle ball's callsigns dropped from the battle status view. She tilted her head. "This environment," she muttered to herself, her eyes drawn to the EMP array firing status. The recharge bars filled and expended. Filled and expended. Each cycle representing an incredibly powerful pulse of electromagnetic energy at the speed of light.
Speed of light.
Speed.
The answer struck her. The ramifications of the answer were displeasing. Plans must be altered. Contingencies reconsidered. The Black Fork was too optimistic. Their position was considerably worse than hoped for, but not entirely beyond anticipated outcomes, which had included their immediate destruction upon arrival in the system. They simply had fewer tools than she desired.
Tactical fighters had low utility when combat operated at the speed of light. There was no yield on agility, because no thruster could move faster than light could travel. There was no evading a lightspeed weapon at these distances. Unless a tactical fighter could retain functionality under fire, which the death balls so far could not, they were a pointless extravagance. At best, they could serve as a momentary distraction, particularly when their weapons were inoperable.
The unique characteristics of Humanity's birthplace were a hindrance here. Kinetics were the logical path for weaponry to take in an environment where destructive output was a matter of maximizing scarce energy resources. They were also the easiest, most natural extension from their Earthside forebears. Humanity had begun development of lightspeed weapons, the EMP and the Griggs pulse among them, but they placed tremendous strain on ship systems. The Oppenheimer, as a dreadcarrier, was among the few Earth spaceships that contained a full battery of EMP arrays. Due to the extremely demanding specifications, only a Pulser class ship could make use of a Griggs pulse. Had Humanity known what it faced just beyond its doorstep, it would have invested its research and development resources differently.
Too late now.
The game was not lost yet, they simply must play the hand they were dealt to its greatest effect.
A display flashed from green to red and moved toward the center of the wall, increasing in size. Simultaneously, three other displays shifted in color, position and size, in a chain reaction. Joan frowned. Or perhaps the game was lost, and she was only just realizing it. The shuttle cockpit's callsign, along with the four balls that had attached to it, had disappeared. Her hands darted up and began a series of gestures, swiping North to South as she removed some filters from the local space scan and South to North as she applied others.
She exhaled.
The shuttle had not been destroyed, only incapacitated. It was careening through space away from the cluster of alien ships closest to Halcyon, though a few were in rapid pursuit. The pursuers had acceleration in their favor, but the shuttle's current course brought them toward the Oppenheimer.
Joan flicked a few fingers, pulling the course data from the local scan and pushing it into the timer view.
Before Joan could issue the order, the nearest balls peeled off and immediately began an intercept course with the shuttle. Joan pulled up the command-chain, it appeared that Captain Bushida had decided to be proactive. Very well, but it would not be enough. The balls were more likely than not to be incapacitated before they could be used in any rescue effort. This required a more substantial intervention if the outcome were to be changed.
Joan pushed a new course heading into her comm-link with Ragnar. "Captain, I am moving us off of the Black Fork standing orders."
Ragnar glanced at the course heading. "That's even further in."
Joan nodded, "It's the only way we'll recover the cockpit. The balls can't get the job done."
"There's a risk the Oppenheimer won't get it done either. They're holding back," Ragnar replied, his eyes scanned off screen, bouncing between the various readouts and inbound requests. "Doesn't make any sense they'd only have EMPs. They've got more."
"Likely. My current belief is that they will refrain from further escalation until they have either secured the cockpit or believe they can no longer retrieve it. Each moment of escalation from them has been in response to an action on our part directed at the cockpit."
Ragnar wiped the back of his sleeve against his brow, mopping up the sweat. "Must be something important."
"Must be. The prize is likely worth the pain here, Ragnar. Retrieving the cockpit is the top priority. Preservation of ourselves is an ancillary concern."
"G4 is only a few out. We can hold that long," Ragnar said.
"Get the job done, Captain," Joan ordered and then cut the comm. Ragnar was a sophisticated battlefield tactician. The overlap between them was significant, and the differences between them were accretive to both. They both knew there was another card to be played, it was just a matter of whether Humanity could adapt to it.
Joan opened another comm-link. "Chief Adeyemi."
The Chief blinked a few times as the interjection, as if being pulled from a daze.
"Idara!" Joan exclaimed. "Where's Science at?"
Idara wet her lips, "We've gathered the data and mapped it to a few different explanations...but we need more--"
"You don't have it. Best guess, go."
"Some sort of inertial dampening field. Effects smaller objects. Weakens as the objects get larger. Only affects objects moving a certain speed. Only affects objects in space. Our kinetics are getting caught. Bigger objects, like the fighters, like the Oppenheimer, are fine. Bullets fired inside of the Oppenheimer are fine.
"Any sense on source?"
Idara shook her head.
"But it doesn't effect the fighters. Doesn't effect energy based weapons."
"From what we can see, that's right."
Joan's eyes drifted toward the tracker on Kai's cockpit. Hurtling through space.
"Idara, when the Alcubierre was heading for Proxima Barrier, your modeling said the ship would survive the impact, correct?"
"Yes, Admiral. There isn't an equal an opposite reaction. Actor has primacy in these physics."
Joan stared at Idara, lost in thought. The Chief shifted uncomfortably, "Is there something else--"
"I have what I need," Joan replied, cutting the comm.
She pulled up the status tracker on the balls. Over eight-five percent of launched fighters had already been incapacitated. The Oppenheimer still retained a final wing in its hangers, numbering approximately a hundred and twenty additional balls.
Joan watched the timers ticking down. They needed to go on the offensive. To find a way to tilt the situation in their favor. Even if they retrieved the cockpit, it was a long way back to the wormhole, and a long time to survive before G4 appeared. If the aliens had an ace up their sleeve, that would be the time to play it, when they had nothing to lose, and everything to gain.
She re-opened the comm with Ragnar. "Captain, I think we can even the odds a bit."
"I'm all ears, Admiral."
Joan pushed a series of orders to Ragnar. He glanced at them and then glared at her, "You want--
"Yes, Captain, that's what I want."
"But they'll be destroyed," Ragnar responded.
"Not if they're moving fast enough. Get whoever we can get back into the hangers, launch the rest without the pilots. Target the ships. Target Halcyon."
Ragnar stared at her, "Halcyon? That's a civilian--"
"Captain, I want those balls dumped and under full steam at the designated targets. That's an order."
Ragnar opened his mouth and then shut it. A hand came off screen and formed a salute. The comm was dropped shortly after. Almost immediately, the tactical fighters shifted flight plans and began their retreat toward the Oppenheimer. Simultaneously, the wing residing within the *Oppenheimer'*s hangers shifted from stand-by to active. Soon they would be launched, pushing top acceleration toward Halcyon. No EMP would be able to stop them. If the aliens had another card to play, Joan hoped this would force it out and maybe, just maybe, buy enough time for G4 to make an appearance.
She just needed a little time.
Just needed to survive long enough for the Pulsers to arrive.
Seconds mattered.
Next.
Be sure to leave a comment or an upvote if you're enjoying Alcubierre. If you want a sense of how much it matters to me, here's a very emo journal entry documenting it.
Click this link or reply with SubscribeMe! to get notified of updates to THE PLATYPUS NEST.
I have been conducting a strange experiment on my Twitter which people seem to be enjoying. I found an AI bot that randomly posts impactful images every few minutes. I've decided to craft a narrative on top of these random images called "The Human Archives."
submitted by PerilousPlatypus to PerilousPlatypus [link] [comments]

Beginner's critiques of Rust

Hey all. I've been a Java/C#/Python dev for a number of years. I noticed Rust topping the StackOverflow most loved language list earlier this year, and I've been hearing good things about Rust's memory model and "free" concurrency for awhile. When it recently came time to rewrite one of my projects as a small webservice, it seemed like the perfect time to learn Rust.
I've been at this for about a month and so far I'm not understanding the love at all. I haven't spent this much time fighting a language in awhile. I'll keep the frustration to myself, but I do have a number of critiques I wouldn't mind discussing. Perhaps my perspective as a beginner will be helpful to someone. Hopefully someone else has faced some of the same issues and can explain why the language is still worthwhile.
Fwiw - I'm going to make a lot of comparisons to the languages I'm comfortable with. I'm not attempting to make a value comparison of the languages themselves, but simply comparing workflows I like with workflows I find frustrating or counterintuitive.
Docs
When I have a question about a language feature in C# or Python, I go look at the official language documentation. Python in particular does a really nice job of breaking down what a class is designed to do and how to do it. Rust's standard docs are little more than Javadocs with extremely minimal examples. There are more examples in the Rust Book, but these too are super simplified. Anything more significant requires research on third-party sites like StackOverflow, and Rust is too new to have a lot of content there yet.
It took me a week and a half of fighting the borrow checker to realize that HashMap.get_mut() was not the correct way to get and modify a map entry whose value was a non-primitive object. Nothing in the official docs suggested this, and I was actually on the verge of quitting the language over this until someone linked Tour of Rust, which did have a useful map example, in a Reddit comment. (If any other poor soul stumbles across this - you need HashMap.entry().or_insert(), and you modify the resulting entry in place using *my_entry.value = whatever. The borrow checker doesn't allow getting the entry, modifying it, and putting it back in the map.)
Pit of Success/Failure
C# has the concept of a pit of success: the most natural thing to do should be the correct thing to do. It should be easy to succeed and hard to fail.
Rust takes the opposite approach: every natural thing to do is a landmine. Option.unwrap() can and will terminate my program. String.len() sets me up for a crash when I try to do character processing because what I actually want is String.chars.count(). HashMap.get_mut() is only viable if I know ahead of time that the entry I want is already in the map, because HashMap.get_mut().unwrap_or() is a snake pit and simply calling get_mut() is apparently enough for the borrow checker to think the map is mutated, so reinserting the map entry afterward causes a borrow error. If-else statements aren't idiomatic. Neither is return.
Language philosophy
Python has the saying "we're all adults here." Nothing is truly private and devs are expected to be competent enough to know what they should and shouldn't modify. It's possible to monkey patch (overwrite) pretty much anything, including standard functions. The sky's the limit.
C# has visibility modifiers and the concept of sealing classes to prevent further extension or modification. You can get away with a lot of stuff using inheritance or even extension methods to tack on functionality to existing classes, but if the original dev wanted something to be private, it's (almost) guaranteed to be. (Reflection is still a thing, it's just understood to be dangerous territory a la Python's monkey patching.) This is pretty much "we're all professionals here"; I'm trusted to do my job but I'm not trusted with the keys to the nukes.
Rust doesn't let me so much as reference a variable twice in the same method. This is the functional equivalent of being put in a straitjacket because I can't be trusted to not hurt myself. It also means I can't do anything.
The borrow checker
This thing is legendary. I don't understand how it's smart enough to theoretically track data usage across threads, yet dumb enough to complain about variables which are only modified inside a single method. Worse still, it likes to complain about variables which aren't even modified.
Here's a fun example. I do the same assignment twice (in a real-world context, there are operations that don't matter in between.) This is apparently illegal unless Rust can move the value on the right-hand side of the assignment, even though the second assignment is technically a no-op.
//let Demo be any struct that doesn't implement Copy. let mut demo_object: Option = None; let demo_object_2: Demo = Demo::new(1, 2, 3); demo_object = Some(demo_object_2); demo_object = Some(demo_object_2); 
Querying an Option's inner value via .unwrap and querying it again via .is_none is also illegal, because .unwrap seems to move the value even if no mutations take place and the variable is immutable:
let demo_collection: Vec = Vec::::new(); let demo_object: Option = None; for collection_item in demo_collection { if demo_object.is_none() { } if collection_item.value1 > demo_object.unwrap().value1 { } } 
And of course, the HashMap example I mentioned earlier, in which calling get_mut apparently counts as mutating the map, regardless of whether the map contains the key being queried or not:
let mut demo_collection: HashMap = HashMap::::new(); demo_collection.insert(1, Demo::new(1, 2, 3)); let mut demo_entry = demo_collection.get_mut(&57); let mut demo_value: &mut Demo; //we can't call .get_mut.unwrap_or, because we can't construct the default //value in-place. We'd have to return a reference to the newly constructed //default value, which would become invalid immediately. Instead we get to //do things the long way. let mut default_value: Demo = Demo::new(2, 4, 6); if demo_entry.is_some() { demo_value = demo_entry.unwrap(); } else { demo_value = &mut default_value; } demo_collection.insert(1, *demo_value); 
None of this code is especially remarkable or dangerous, but the borrow checker seems absolutely determined to save me from myself. In a lot of cases, I end up writing code which is a lot more verbose than the equivalent Python or C# just trying to work around the borrow checker.
This is rather tongue-in-cheek, because I understand the borrow checker is integral to what makes Rust tick, but I think I'd enjoy this language a lot more without it.
Exceptions
I can't emphasize this one enough, because it's terrifying. The language flat up encourages terminating the program in the event of some unexpected error happening, forcing me to predict every possible execution path ahead of time. There is no forgiveness in the form of try-catch. The best I get is Option or Result, and nobody is required to use them. This puts me at the mercy of every single crate developer for every single crate I'm forced to use. If even one of them decides a specific input should cause a panic, I have to sit and watch my program crash.
Something like this came up in a Python program I was working on a few days ago - a web-facing third-party library didn't handle a web-related exception and it bubbled up to my program. I just added another except clause to the try-except I already had wrapped around that library call and that took care of the issue. In Rust, I'd have to find a whole new crate because I have no ability to stop this one from crashing everything around it.
Pushing stuff outside the standard library
Rust deliberately maintains a small standard library. The devs are concerned about the commitment of adding things that "must remain as-is until the end of time."
This basically forces me into a world where I have to get 50 billion crates with different design philosophies and different ways of doing things to play nicely with each other. It forces me into a world where any one of those crates can and will be abandoned at a moment's notice; I'll probably have to find replacements for everything every few years. And it puts me at the mercy of whoever developed those crates, who has the language's blessing to terminate my program if they feel like it.
Making more stuff standard would guarantee a consistent design philosophy, provide stronger assurance that things won't panic every three lines, and mean that yes, I can use that language feature as long as the language itself is around (assuming said feature doesn't get deprecated, but even then I'd have enough notice to find something else.)
Testing is painful
Tests are definitively second class citizens in Rust. Unit tests are expected to sit in the same file as the production code they're testing. What?
There's no way to tag tests to run groups of tests later; tests can be run singly, using a wildcard match on the test function name, or can be ignored entirely using [ignore]. That's it.
Language style
This one's subjective. I expect to take some flak for this and that's okay.
submitted by crab1122334 to rust [link] [comments]

./play.it 2.12: API, GUI and video games

./play.it 2.12: API, GUI and video games

./play.it is a free/libre software that builds native packages for several Linux distributions from DRM-free installers for a collection of commercial games. These packages can then be installed using the standard distribution-provided tools (APT, pacman, emerge, etc.).
A more complete description of ./play.it has already been posted in linux_gaming a couple months ago: ./play.it, an easy way to install commercial games on GNU/Linux
It's already been one year since version 2.11 was released, in January 2019. We will only briefly review the changelog of version 2.12 and focus on the different points of ./play.it that kept us busy during all this time, and of which coding was only a small part.

What’s new with 2.12?

Though not the focus of this article, it would be a pity not to present all the added features of this brand new version. ;)
Compared to the usual updates, 2.12 is a major one, especially since for two years, we slowed down the addition of new features. Some patches took dust since the end of 2018 before finally be integrated in this update!
The list of changes for this 2.12 release can be found on our forge. Here is a full copy for convenience:

Development migration

History

As many free/libre projects, ./play.it development started on some random sector of a creaking hard drive, and unsurprisingly, a whole part of its history (everything predating version 1.13.15 released on Mars 30th, 2016) disappeared into the limbs because some unwise operation destroyed the only copy of the repository… Lesson learned, what's not shared don't stay long, and so was born the first public Git repository of the project. The easing of collaborative work was only accidentally achieved by this quest for eternity, but wasn't the original motivation for making the repository publicly available.
Following this decision, ./play.it source code has been hosted successively by many shared forge platforms:

Dedicated forge

As development progressed, ./play.it began to increase its need for resources, dividing its code into several repositories to improve the workflow of the different aspects of the projects, adding continuous integration tests and their constraints, etc. A furious desire to understand the nooks and crannies behind a forge platform was the last deciding factor towards hosting a dedicated forge.
So it happened, we deployed a forge platform on a dedicated server, hugely benefiting from the tremendous work achieved by the GitLab's package Debian Maintainers team. In return, we tried to contribute our findings in improving this software packaging.
That was not expected, but this migration happened just a little time before the announcement “Déframasoftisons Internet !” (French article) about the planned end of Framagit.
This dedicated instance used to be hosted on a VPS rented from Digital Ocean until the second half of July 2020, and since then has been moved to another VPS, rented from Hetzner. The specifications are similar, as well as the service, but thanks to this migration our hosting costs have been cut in half. Keeping in mind that this is paid by a single person, so any little donation helps a lot on this front. ;)
To the surprise of our system administrator, this last migration took only a couple hours with no service interruption reported by our users.

Forge access

This new forge can be found at forge.dotslashplay.it. Registrations are open to the public, but we ask you to not abuse this, the main restriction being that we do not wish to host projects unrelated to ./play.it. Of course exceptions are made for our active contributors, who are allowed to host some personal projects there.
So, if you wish to use this forge to host your own work, you first need to make some significant contributions to ./play.it.

API

The collection of supported games growing endlessly, we have started the development of a public API allowing access to lots of information related to ./play.it.
This API, which is not yet stabilized, is simply an interface to a versioned database containing all the ./play.it scripts, handled archives, games installable through the project. Relations are, of course, handled between those items, enabling its use for requests like : « What packages are required on my system to install Cæsar Ⅲ ? » or « What are the free (as in beer) games handled via DOSBox ? ».
Originally developed as support for the new, in-development, Web site (we'll talk about it later on), this API should facilitate the development of tools around ./play.it. For example, it'll be useful for whomever would like to build a complete video game handling software (downloading, installation, starting, etc.) using ./play.it as one of its building bricks.
For those curious about the technical side, it's an API based on Lumeneffectuant that makes requests on a MariaDB database, all self-hosted on a Debian Sid. Not only is the code of the API versioned on our forge, but also the structure and content of the databases, which will allow those who desired it to install a local version easily.

New website

Based on the aforementioned API, a new website is under development and will replace our current website based on DokuWiki.
Indeed, if the lack of database and the plain text files structure of DokuWiki seemed at first attractive, as ./play.it supported only a handful of games (link in French), this feature became more inconvenient as the library of ./play.it supported games grew.
We shall make an in-depth presentation of this website for the 2.13 release of ./play.it, but a public demo of the development version from our forge is already available.
If you feel like providing an helping hand on this task, some priority tasks have been identified to allow opening a new Web site able to replace the current one. And for those interested in technical details, this web Site was developed in PHP using the framework Laravel. The current in-development version is hosted for now on the same Debian Sid than the API.

GUI

A regular comment that is done about the project is that, if the purpose is to make installing games accessible to everyone without technical skills, having to run scripts in the terminal remains somewhat intimidating. Our answer until now has been that while the project itself doesn't aim to providing a graphical interface (KISS principle "Keep it simple, stupid"), still and always), but that it would be relatively easy to, later on, develop a graphical front-end to it.
Well, it happens that is now reality. Around the time of our latest publication, one of our contributors, using the API we just talked about, developed a small prototype that is usable enough to warrant a little shout out. :-)
In practice, it is some small Python 3 code (an HCI completely in POSIX shell is for a later date :-°), using GTK 3 (and still a VTE terminal to display the commands issued, but the user shouldn't have to input anything in it, except perhaps the root password to install some packages). This allowed to verify that, as we used to say, it would be relatively easy, since a script of less than 500 lines of code (written quickly over a week-end) was enough to do the job !
Of course, this graphical interface project stays independent from the main project, and is maintained in a specific repository. It seems interesting to us to promote it in order to ease the use of ./play.it, but this doesn't prevent any other similar projects to be born, for example using a different language or graphical toolkit (we, globally, don't have any particular affinity towards Python or GTK).
The use of this HCI needs three steps : first, a list of available games is displayed, coming directly from our API. You just need to select in the list (optionally using the search bar) the game you want to install. Then it switches to a second display, which list the required files. If several alternatives are available, the user can select the one he wants to use. All those files must be in the same directory, the address bar on the top enabling to select which one to use (click on the open button on the top opens a filesystem navigation window). Once all those files available (if they can be downloaded, the software will do it automatically), you can move ahead to the third step, which is just watching ./play.it do its job :-) Once done, a simple click on the button on the bottom will run the game (even if, from this step, the game is fully integrated on your system as usual, you no longer need this tool to run it).
To download potentially missing files, the HCI will use, depending on what's available on the system, either wget, curl or aria2c (this last one also handling torrents), of which the output will be displayed in the terminal of the third phase, just before running the scripts. For privilege escalation to install packages, sudo will be used preferentially if available (with the option to use a third-party application for password input, if the corresponding environment variable is set, which is more user-friendly), else su will be used.
Of course, any suggestion for an improvement will be received with pleasure.

New games

Of course, such an announcement would not be complete without a list of the games that got added to our collection since the 2.11 release… So here you go:
If your favourite game is not supported by ./play.it yet, you should ask for it in the dedicated tracker on our forge. The only requirement to be a valid request is that there exists a version of the game that is not burdened by DRM.

What’s next?

Our team being inexhaustible, work on the future 2.13 version has already begun…
A few major objectives of this next version are :
If your desired features aren't on this list, don't hesitate to signal it us, in the comments of this news release. ;)

Links

submitted by vv224 to linux_gaming [link] [comments]

[OC][UWDFF Alcubierre] Part 54

Beginning | Previous
Premier Valast felt a tingle. It began at the base of his spine and traveled moved upward, sending warm fuzzy feelings all throughout his body as it made its way to his brain and inserted itself in his conscious thoughts. After all of the misery. After all of the failures. For once, something had gone right.
How delightful. How extravagant. How deserved.
The Humans had made a mistake. Clearly, they had thought to expand upon their treachery, believing themselves to be invincible. Their monstrosity of a vessel had appeared just as their last one had, within Halcyon's inner perimeter. After their ruse of parlay, their beast had commenced belching out weapons of mass destruction, clearly in an attempt to retrieve the encryption key and the elite assassin-thief they had dispatched under the guise of a Witness.
They thought Halcyon weak. Defenseless.
Not true! Not true at all!
Kinetics. Valast laughed aloud, his rib cage heaving out great guffaws. Accelerated mass! More laughter. The savages thought to bring such inelegance against the might of the Combine? They mistook their prior fortune for competence. Their one-time success for future capability. Alas, poor Humans, the truth of your inadequacies is made manifest! The brief gap in the defenses brought on by the improbable chain of events that had resulted in their arrival had been filled. For all of their destructive potential, their weapons were useless.
Valast continued to cackle, his hindclaws scrunching up the soft material of his pillow, as he watched the Humans receive their punishment for their insolence. The Humans had made assumptions. Perhaps assumptions were fine in their backwater corner of the galaxy, but here, among civilization, assumptions could be quite dangerous indeed. It was quite unwise to assume Halcyon would leave the inner perimeter exposed. They must have thought their Evangi co-conspirators would leave the gates open for them, as the traitor Neeria had done when she had given them access to a Combine wormkey in the first place. Sadly for the Humans, their four-armed friends had been exposed for what they were. A great many of the Evangi now lay motionless on the floor of a Halcyon mainway, a fitting end to their perfidy.
Halcyon had stood since the beginning, and it would continue to stand long after the Human infestation had been expunged from the Combine Space. Perhaps the Humans should have spent more time pondering the nature of the place before they had meddled with forces they clearly did not understand. Halcyon existed in defiance of the chaotic nature of the neutron star it orbited. Its survival required an solution to the objects such a gravity well attracted. Halcyon had many such solutions, weaved together to maintain a delicate balance. Among them were the inertial dampeners.
The screen in Valast's paws bloomed with colors, indicating firings of Halcyon's inertial dampeners. Each blossom of color was an attempt by the Humans to deploy weapons in clear violation War Accords, cementing Humanity's position as a menace to decent civilization. Had Valast not commanded Bo'Bakka'Gah to take the necessary precautions, the devastation would have been significant.
Lines of crimson sailed through the blooms of color.
Valast's whiskers twitched, his eyes squinting as it tracked one of these lines.
The solution was not perfect. The intertial dampeners in close proximity to Halcyon were a final precaution, and their purpose was narrow. They were a fine net, meant to indiscriminately capture any residual high-speed astral particulate that had escaped the outer defenses. Their efficacy diminished at an exponential rate in proportion to the size and mass of the object they acted upon. Thus far, they had been quite successful at preventing the Humans from making use of their weapons, but dampeners had no effect on the Human vessels. Even if the dampeners could be used for such a purpose, their indiscriminate nature would have required the cessation of all space born travel within Halcyon, an unacceptable disruption to the workings of the Combine's capitol.
The Humans' small spherical vessels were thus capable of traveling unimpeded throughout Halcyon space, tracing their crimson lines behind them as they did so. Such a thing did not overly worry Valast. They could not fire their weapons, and they were susceptible to electromagnetic disruption, rendering them easy targets for the Peacekeepers. Were Valast not otherwise consumed with the affairs of state, he would perhaps take to the front line and dispatch a few himself. Sadly, his bravery would find no opportunity for direct expression beyond the valor found in the privilege of command competently exercised.
The whiskers ceased their twitching and some cheer returned. It would not be long before the meddlesome Human spheres were swatted from the sky and the encryption key recovered.
Then they would dispatch the Human warship.
Then Humanity.
He need only wait.
-----------
"Get spread. Get small." Sana called out. Had to buy time. Had to get a handle on the situation. Not her first rodeo, but it was the first time where she had no idea what the hell she was riding. Maybe the aliens were riding her. Maybe it wasn't a rodeo, maybe it was just a slaughter.
That was the problem. No one knew anything.
The callsigns in her local were dropping like flies. Squaddies getting wiped without so much as a peep. The eggs in Science were saying EMPs, but the balls were supposed to be fixed against that frakkery. Sensors said the balls were still there even after they went dead, so maybe they were right. Couldn't think about that now.
Couldn't think about anything but the mission.
Captain Sana Bushida had a shit-shuttle to bring to station.
She needed to get from A to B. Normally the quickest point-to-point was a line, but the baddies were coming in from all sides. Trying to corral her in. So be it. She could handle a long and squiggly with the juice she had in the four balls attached to the cockpit. Only question was how long they'd be up for. Whatever they were using on the balls wasn't touching her. She was good, but she wasn't that good.
Guess they wanted her kicking and screaming.
Predators, not scavengers then.
Frakk 'em. Right in their stupid alien faces.
Sana's brain shunted command signals as fast as her eyes to parse the readouts in her pilot pod. Dodging. Weaving. Diving. Dipping. Half those words didn't even apply to space, but they felt right. Float like a butterfly, run like cheetah on amphetos. She'd sting 'em later.
Run run run, fast as you can. You can't catch me, I'm the shit-shuttle can.
Swipe. Swipe.
Two smaller ships moved in a pincer formation, one cutting off her angle around the larger ship she was skimming around. Sana let out a giggle, as she shoved the shuttle in another direction. "You thought you had me, crapdonkey? You never had me. You're gonna be seeing my ass all day." The giggle somehow transformed into a roar halfway through as a third ship appeared in her view, coming out from its hiding place on the other side of the large ship. "SCREW YOU!" They weren't going to win. Losing wasn't an option.
Swipe.
Patterns emerged as the ballet played out. Certain ships were the herders. The small annoying frakks that always seemed to be moving around her flanks. Other ships were the receivers. They were the big boys. The ones who just floated there like giant shits in space. Lazy frakks just waiting to be fed some shit-shuttle. Fine then. New info. New tactics. New rule: Get around the herders, never get closer to the receivers.
Herders bad.
Receivers bad-der-er.
As long as she was a step ahead of the herders and two steps away from the receivers, she'd be fine. Problem was they were more agile than her. Problem was there was more of them. Problem was the friendly callsigns on her readouts kept disappearing. Problem was that she was stuck in here instead of out there where she belonged.
Ninety-nine problems...
Swipe. Swipe.
All she needed was a line of sight. A place where she could get a whiff of open space and just gun it. Navigate the maze. Get through it. Light at the end of the tunnel. Glass is half full.
Metaphor.
Analogy.
Idiom.
The stream of consciousness flowed out of her, expressing itself in her verbiage and in the desperately navigating shuttle some distance away. Step forward. No steps backward. Okay, maybe one step backward, but it'll be okay. She'd take the step forward soon enough.
Just...needed...a...line.
Alpha, Beta, Charlie, and Delta was gone.
It was just her.
Swipe. Swipe.
The fate of the world.
The shit-shuttle must survive.
Swipe. Swipe.
The gap opened.
She saw it.
They didn't.
"There it is bitches!"
All four balls slammed the thrusters on. It wasn't a direct bee line to the Oppenheimer but it was good enough. She just needed to get out of the hornet's nest and into open space so she could keep pouring on the acceleration. She didn't know how much juice the herders had, but it was all she had going for her at this point.
Bitter bile rose up in her throat as the shit-shuttle surged forward, leaving A through D behind. Her squaddies. Her friends.
Abandoned.
She should be out there.
She could be. She just needed to get the mission done. She was so close. She was putting distance between her and the baddies. Just a few more minutes...the link cut off.
Her thoughts were shunting into a wall.
She swiped, her eyes scanning the readouts.
Alcubierre - Shuttle - Cockpit (Ejection)(DISTRESS) no longer appeared.
For once, Sana was speechless.
---------------------
Kai retched air.
There was nothing else to throw up at this point. He'd given everything he had to give, and it was now floating about the cockpit in a viscous cloud. He was fairly certain Neeria was collateral damage in the matter. If she were ever to regain consciousness, she'd find she had been provided with a fresh coat of puke paint. At this point, being blind was something of a boon. Congratulations were owed to the sadist in the pilot's seat though, he hadn't emptied his stomach like this since flight sims.
He'd raise his hand in salute if it weren't for the incredible g-force shifts whipping him around like a rag doll as the pilot attempted to avoid whatever was out there. Some of the maneuvers seemed impossibly complex, as if the cockpit was navigating through an impassable morass of enemies. Or perhaps the pilot was just drunk. Either seemed possible.
The whipsawing continued. Back. Forth. Round and round. Acceleration never seemed to continue in a single direction for more than a few seconds. They were going in circles. They had to be.
Finally, it appeared the pilot had decided on a direction as Kai was slammed back into his chair as the cockpit rocketed forward under sustained acceleration. They must have broken through. Or the pilot had fallen asleep at the controls with the throttle down and they were all doomed. Either way. At this point, Kai was just eager for it to be over.
The acceleration continued. He felt like he was being crushed. Like an enormous hand was pressing against him, trying to squeeze all of his organs out through his eyes. Whatever was powering the cockpit now was beyond the parameters of the shuttle's acceleration compensators. His vision began to dim and his joints ached. Pain surged up in his right arm, which was still contorted within the goo. He was fairly certain a bone had just snapped.
"Oppenheimer..ETA," Kai managed to gasp out, drawing the breath back into his lungs with some effort.
"The shuttle is not currently on course to intercept with the UWDFF Oppenheimer."
"Joan." Kai wheezed. "Connect. Joan."
The acceleration cut off.
Kai took a huge gulp of air, the relief immediate. "Comm-link. Fleet Admiral Joan Orléans."
No response.
Kai tried again.
Silence greeted him.
Grumbling, he raised his left wrist toward his face. He stuck out his tongue and smeared it along the wrist console's interface. None of the expected beeps and chirps sounded out. It was dead, and, he suspected, so was the cockpit along with whatever had been propelling him. No life support. No way to call out for help. No way to do anything but sit there. For all intents and purposes, they were a hunk of space junk drifting off into the black oblivion.
Fair enough. It was a fitting end.
Helpless.
Hopeless.
Kai tried to muster some anger at the situation, if only to distract him from the pain coursing through his body, but found he was up to the task. It was easier to be motivated when there was something to do. Some way he could impact the situation. But there was nothing to do but wait. Maybe he'd live. Probably he'd die. He didn't mind it, that was the same binary he faced every other day. It was a bit more present in his mind than it normally was, but the truth was that he was overdue for demise. He'd given death the slip more times than anyone had a right to.
Still. It bothered him.
Not the death part. The not doing what he set out to do part.
He had run through walls, both literal and figurative, to make it this far. He didn't know what making it back to the Oppenheimer would mean for Humanity, but it had to be better than not making it. The encryption key -- what did it do? What could it do? Would it be doable? Neeria -- could she guide them? Could she help them navigate the treacherous galaxy Humanity was just beginning to play a part in?
There were so many questions. The answers could matter.
Kai tried to remember how much time they had. Without life support, the supply of oxygen would rapidly begin to deplete. He supposed it didn't matter, since he had no idea whether Neeria breathed, what Neeria she breathed, or the rate she consumed it. His space suit had a few hours of stored supply, but it was designed to work in conjunction with his helmet. Without the wrist console, he'd need to find some way to manually vent it.
That was something to do. Small, but perhaps meaningful. Anything to tilt the scales just a little bit more in their direction. Just a few more minutes of air could make a difference.
"Seconds matter," Kai wheezed out. His breath was wet and tasted of iron. He'd worry about that later. Air first. It wasn't much of a plan, but it was better than nothing.
He hoped Joan's plans were faring better.
-------------------
The Admiral's Bridge was awash in a sea of red. Multiple views vied for primacy as the situation continued to deteriorate. So far, the Oppenheimer itself had withstood the sustained EMP assault directed its way, but the same could not be said for the battle balls. Callsigns continued to blink out of existence with every passing second. The Oppenheimer had immediately attempted to provide supporting fire, but its kinetic weaponry was similarly disabled. Whatever the circumstances had been that had allowed the Alcubierre to destroy an alien vessel, they were clearly no longer relevant to the situation at hand. Without kinetics, the vast majority of Humanity's space-born projective power was effectively nullified. Science was looking into explanations and alternatives, but it would take time.
The Oppenheimer's EMP arrays had succeeded in firing, but the alien vessels appeared to be impervious to that form of assault. It was unclear whether they possessed EMP hardening around core processes similar to the Oppenheimer or they had other means of deflecting attacks of that nature. In the absence of an alternative, the Oppenheimer was continuously discharging the EMP arrays as they became available, attempting to test for weaknesses. The energy drain from the sustained fire was easily accommodated by the altered physics of local space, but it was unclear whether alien defenses could be worn down by continuous assault.
Other oddities were appearing as the situation unfolded. The aliens did not field any tactical fighters that their sensors could identify. There were ships of different sizes, but, thus far, no vessels had moved to directly engage the balls. Kai's cockpit was being corralled by a series of smaller ships working in conjunction with the larger ones, but that was it.
Joan considered it, trying to parse out deeper meanings from the absence. Human conflict, both Earthside and in space, had always heavily relied on tactical fighters. They had numerous advantages in terms of firepower projection and significantly increased tactical dynamism in a battle zone. Either the aliens had never considered the approach, or it was considered suboptimal within this environment.
Joan squinted, watching as the battle ball's callsigns dropped from the battle status view. She tilted her head. "This environment," she muttered to herself, her eyes drawn to the EMP array firing status. The recharge bars filled and expended. Filled and expended. Each cycle representing an incredibly powerful pulse of electromagnetic energy at the speed of light.
Speed of light.
Speed.
The answer struck her. The ramifications of the answer were displeasing. Plans must be altered. Contingencies reconsidered. The Black Fork was too optimistic. Their position was considerably worse than hoped for, but not entirely beyond anticipated outcomes, which had included their immediate destruction upon arrival in the system. They simply had fewer tools than she desired.
Tactical fighters had low utility when combat operated at the speed of light. There was no yield on agility, because no thruster could move faster than light could travel. There was no evading a lightspeed weapon at these distances. Unless a tactical fighter could retain functionality under fire, which the death balls so far could not, they were a pointless extravagance. At best, they could serve as a momentary distraction, particularly when their weapons were inoperable.
The unique characteristics of Humanity's birthplace were a hindrance here. Kinetics were the logical path for weaponry to take in an environment where destructive output was a matter of maximizing scarce energy resources. They were also the easiest, most natural extension from their Earthside forebears. Humanity had begun development of lightspeed weapons, the EMP and the Griggs pulse among them, but they placed tremendous strain on ship systems. The Oppenheimer, as a dreadcarrier, was among the few Earth spaceships that contained a full battery of EMP arrays. Due to the extremely demanding specifications, only a Pulser class ship could make use of a Griggs pulse. Had Humanity known what it faced just beyond its doorstep, it would have invested its research and development resources differently.
Too late now.
The game was not lost yet, they simply must play the hand they were dealt to its greatest effect.
A display flashed from green to red and moved toward the center of the wall, increasing in size. Simultaneously, three other displays shifted in color, position and size, in a chain reaction. Joan frowned. Or perhaps the game was lost, and she was only just realizing it. The shuttle cockpit's callsign, along with the four balls that had attached to it, had disappeared. Her hands darted up and began a series of gestures, swiping North to South as she removed some filters from the local space scan and South to North as she applied others.
She exhaled.
The shuttle had not been destroyed, only incapacitated. It was careening through space away from the cluster of alien ships closest to Halcyon, though a few were in rapid pursuit. The pursuers had acceleration in their favor, but the shuttle's current course brought them toward the Oppenheimer.
Joan flicked a few fingers, pulling the course data from the local scan and pushing it into the timer view.
Before Joan could issue the order, the nearest balls peeled off and immediately began an intercept course with the shuttle. Joan pulled up the command-chain, it appeared that Captain Bushida had decided to be proactive. Very well, but it would not be enough. The balls were more likely than not to be incapacitated before they could be used in any rescue effort. This required a more substantial intervention if the outcome were to be changed.
Joan pushed a new course heading into her comm-link with Ragnar. "Captain, I am moving us off of the Black Fork standing orders."
Ragnar glanced at the course heading. "That's even further in."
Joan nodded, "It's the only way we'll recover the cockpit. The balls can't get the job done."
"There's a risk the Oppenheimer won't get it done either. They're holding back," Ragnar replied, his eyes scanned off screen, bouncing between the various readouts and inbound requests. "Doesn't make any sense they'd only have EMPs. They've got more."
"Likely. My current belief is that they will refrain from further escalation until they have either secured the cockpit or believe they can no longer retrieve it. Each moment of escalation from them has been in response to an action on our part directed at the cockpit."
Ragnar wiped the back of his sleeve against his brow, mopping up the sweat. "Must be something important."
"Must be. The prize is likely worth the pain here, Ragnar. Retrieving the cockpit is the top priority. Preservation of ourselves is an ancillary concern."
"G4 is only a few out. We can hold that long," Ragnar said.
"Get the job done, Captain," Joan ordered and then cut the comm. Ragnar was a sophisticated battlefield tactician. The overlap between them was significant, and the differences between them were accretive to both. They both knew there was another card to be played, it was just a matter of whether Humanity could adapt to it.
Joan opened another comm-link. "Chief Adeyemi."
The Chief blinked a few times as the interjection, as if being pulled from a daze.
"Idara!" Joan exclaimed. "Where's Science at?"
Idara wet her lips, "We've gathered the data and mapped it to a few different explanations...but we need more--"
"You don't have it. Best guess, go."
"Some sort of inertial dampening field. Effects smaller objects. Weakens as the objects get larger. Only affects objects moving a certain speed. Only affects objects in space. Our kinetics are getting caught. Bigger objects, like the fighters, like the Oppenheimer, are fine. Bullets fired inside of the Oppenheimer are fine.
"Any sense on source?"
Idara shook her head.
"But it doesn't effect the fighters. Doesn't effect energy based weapons."
"From what we can see, that's right."
Joan's eyes drifted toward the tracker on Kai's cockpit. Hurtling through space.
"Idara, when the Alcubierre was heading for Proxima Barrier, your modeling said the ship would survive the impact, correct?"
"Yes, Admiral. There isn't an equal an opposite reaction. Actor has primacy in these physics."
Joan stared at Idara, lost in thought. The Chief shifted uncomfortably, "Is there something else--"
"I have what I need," Joan replied, cutting the comm.
She pulled up the status tracker on the balls. Over eight-five percent of launched fighters had already been incapacitated. The Oppenheimer still retained a final wing in its hangers, numbering approximately a hundred and twenty additional balls.
Joan watched the timers ticking down. They needed to go on the offensive. To find a way to tilt the situation in their favor. Even if they retrieved the cockpit, it was a long way back to the wormhole, and a long time to survive before G4 appeared. If the aliens had an ace up their sleeve, that would be the time to play it, when they had nothing to lose, and everything to gain.
She re-opened the comm with Ragnar. "Captain, I think we can even the odds a bit."
"I'm all ears, Admiral."
Joan pushed a series of orders to Ragnar. He glanced at them and then glared at her, "You want--
"Yes, Captain, that's what I want."
"But they'll be destroyed," Ragnar responded.
"Not if they're moving fast enough. Get whoever we can get back into the hangers, launch the rest without the pilots. Target the ships. Target Halcyon."
Ragnar stared at her, "Halcyon? That's a civilian--"
"Captain, I want those balls dumped and under full steam at the designated targets. That's an order."
Ragnar opened his mouth and then shut it. A hand came off screen and formed a salute. The comm was dropped shortly after. Almost immediately, the tactical fighters shifted flight plans and began their retreat toward the Oppenheimer. Simultaneously, the wing residing within the *Oppenheimer'*s hangers shifted from stand-by to active. Soon they would be launched, pushing top acceleration toward Halcyon. No EMP would be able to stop them. If the aliens had another card to play, Joan hoped this would force it out and maybe, just maybe, buy enough time for G4 to make an appearance.
She just needed a little time.
Just needed to survive long enough for the Pulsers to arrive.
Seconds mattered.
PerilousPlatypus
submitted by PerilousPlatypus to HFY [link] [comments]

Video Encoding in Simple Terms

Video Encoding in Simple Terms
Nowadays, it is difficult to imagine a field of human activity, in which, in one way or another, digital video has not entered. We watch it on TV, mobile devices, and stationary computers; we record it with digital cameras ourselves, or we encounter it on the roads (unpleasant, but true), in stores, hospitals, schools and universities, and in industrial enterprises of various profiles. As a consequence, words and terms that are directly related to the digital representation of video information are becoming more firmly and widely embedded in our lives. From time to time, questions arise in this area. What are the differences between various devices or programs that we use to encode/ decode digital video data, and what do they do? Which of these devices/ programs are better or worse, and in which aspects? What do all these endless MPEG-2, H.264 / AVC, VP9, H.265 / HEVC, etc. mean? Let’s try to understand.

A very brief historical reference

The first generally accepted video compression standard MPEG-2 was finally adopted in 1996, after which a rapid development of digital satellite television began. The next standard was MPEG-4 part 10 (H.264 / AVC), which provides twice the degree of video data compression. It was adopted in 2003, which led to the development of DVB-T/ C systems, Internet TV and the emergence of a variety of video sharing and video communication services. From 2010 to 2013, the Joint Collaborative Team on Video Coding (JCT-VC) was intensively working to create the next video compression standard, which was called High Efficient Video Coding (HEVC) by the developers; it ensured the following twofold increase in the compression ratio of digital video data. This standard was approved in 2013. That same year, the VP9 standard, developed by Google, was adopted, which was supposed to not yield to HEVC in its degree of video data compression.

Basic stages of video encoding

There are a few simple ideas at the core of algorithms for video data compression. If we take some part of an image (in the MPEG-2 and AVC standards this part is called a macroblock), then there is a big possibility that, near this segment in this frame or in neighboring frames, there will be a segment containing a similar image, which differs little in pixel intensity values. Thus, to transmit information about the image in the current segment, it is enough to only transfer its difference from the previously encoded similar segment. The process of finding similar segments among previously encoded images is called Prediction. A set of difference values that determine the difference between the current segment and the found prediction is called the Residual. Here we can distinguish two main types of prediction. In the first one, the Prediction values represent a set of linear combinations of pixels adjacent to the current image segment on the left and on the top. This type of prediction is called Intra Prediction. In the second one, linear combinations of pixels of similar image segments from previously encoded frames are used as prediction (these frames are called Reference). This type of prediction is called Inter Prediction. To restore the image of the current segment, encoded with Inter prediction, when decoding, it is necessary to have information about not only the Residual, but also the frame number, where a similar segment is located, and the coordinates of this segment.
Residual values obtained during prediction obviously contain, on average, less information than the original image and, therefore, require a fewer quantity of bits for image transmission. To further increase the degree of compression of video data in video coding systems, some spectral transformation is used. Typically, this is Fourier cosine transform. Such transformation allows us to select the fundamental harmonics in two-dimensional Residual signal. Such a selection is made at the next stage of coding — quantization. The sequence of quantized spectral coefficients contains a small number of main, large values. The remaining values are very likely to be zero. As a result, the amount of information contained in quantized spectral coefficients is significantly (dozens of times) lower than in the original image.
In the next stage of coding, the obtained set of quantized spectral coefficients, accompanied by the information necessary for performing prediction when decoding, is subjected to entropy coding. The bottom line here is to align the most common values of the encoded stream with the shortest codeword (containing the smallest number of bits). The best compression ratio (close to theoretically achievable) at this stage is provided by arithmetic coding algorithms, which are mainly used in modern video compression systems.
From the above, the main factors affecting the effectiveness of a particular video compression system become apparent. First of all, these are, of course, the factors that determine the effectiveness of the Intra and Inter Predictions. The second set of factors is related to the orthogonal transformation and quantization, which selects the fundamental harmonics in the Residual signal. The third one is determined by the volume and compactness of the representation of additional information accompanying Residual and necessary for making predictions, that is, calculating Prediction, in the decoder. Finally, the fourth set has the factors that determine the effectiveness of the final stage- entropy coding.
Let’s illustrate some possible options (far from all) of the implementation of the coding stages listed above, on the example of H.264 / AVC and HEVC.

AVC Standard

In the AVC standard, the basic structural unit of the image is a macroblock — a square area of 16x16 pixels (Figure 1). When searching for the best possible prediction, the encoder can select one of several options of partitioning each macroblock. With Intra-prediction, there are three options: perform a prediction for the entire block as a whole, break the macroblock into four square blocks of 8x8 size, or into 16 blocks with a size of 4x4 pixels, and perform a prediction for each such block independently. The number of possible options of macroblock partitioning under Inter-prediction is much richer (Figure 1), which provides adaptation of the size and position of the predicted blocks to the position and shape of the object boundaries moving in the video frame.
Fig 1. Macroblocks in AVC and possible partitioning when using Inter-Prediction.
In AVC, pixel values from the column to the left of the predicted block and the row of pixels immediately above it are used for Intra prediction (Figure 2). For blocks of sizes 4x4 and 8x8, 9 methods of prediction are used. In a prediction called DC, all calculated pixels have a single value equal to the arithmetic average of the “neighbor pixels” highlighted in Fig. 2 with a bold line. In other modes, “angular” prediction is performed. In this case, the values of the “neighbor pixels” are placed inside the predicted block in the directions indicated in Fig. 2.
In the event that the predicted pixel gets between “neighbor pixels”, when moving in a given direction, an interpolated value is used for the prediction. For blocks with a size of 16x16 pixels, 4 methods of prediction are used. One of them is the DC-prediction, which was already reviewed. The other two correspond to the “angular” methods, with the directions of prediction 0 and 1. Finally, the fourth — Plane-prediction: the values of the predicted pixels are determined by the equation of the plane. The angular coefficients of the equation are determined by the values of the “neighboring pixels”.
Fig 2. “Neighboring pixels” and angular modes of Intra-Prediction in AVC
Inter- Prediction in AVC can be implemented in one of two ways. Each of these options determines the type of macroblock (P or B). As a prediction of pixel values in P-blocks (Predictive-blocks), the values of pixels from the area located on the previously coded (reference) image, are used. Reference images are not deleted from the RAM buffer, containing decoded frames (decoded picture buffer, or DPB), as long as they are needed for Inter-prediction. A reference list is created in the DPB from the indexes of these images.
The encoder signals to the decoder about the number of the reference image in the list and about the offset of the area used for prediction, with respect to the position of predicted block (this displacement is called motion vector). The offset can be determined with an accuracy of ¼ pixel. In case of prediction with non-integer offset, interpolation is performed. Different blocks in one image can be predicted by areas located on different reference images.
In the second option of Inter Prediction, prediction of the B-block pixel values (bi-predictive block), two reference images are used; their indexes are placed in two lists (list0 and list1) in the DPB. The two indexes of reference images in the lists and two offsets, that determine positions of reference areas, are transmitted to the decoder. The B-block pixel values are calculated as a linear combination of pixel values from the reference areas. For non-integer offsets, interpolation of reference image is used.
As already mentioned, after predicting the values of the encoded block and calculating the Residual signal, the next coding step is spectral transformation. In AVC, there are several options for orthogonal transformations of the Residual signal. When Intra-prediction of a whole macroblock with a size of 16x16 is implemented, the residual signal is divided into 4x4 pixel blocks; each of them is subjected to an integer analog of discrete two-dimensional 4x4 cosine Fourier transform.
The resulting spectral components, corresponding to zero frequency (DC) in each block, are then subjected to additional orthogonal Walsh-Hadamard transform. With Inter-prediction, the Residual signal is divided into blocks of 4x4 pixels or 8x8 pixels. Each block is then subjected to a 4x4 or 8x8 (respectively) two-dimensional discrete cosine Fourier Transform (DCT, from Discrete Cosine Transform).
In the next step, spectral coefficients are subjected to the quantization procedure. This leads to a decrease in bit capacity of digits representing the spectral sample values, and to a significant increase in the number of samples having zero values. These effects provide compression, i.e. reduce the number and bit capacity of digits representing the encoded image. The reverse side of quantization is the distortion of the encoded image. It is clear that the larger the quantization step, the greater is the compression ratio, but also the distortion is greater.
The final stage of encoding in AVC is entropy coding, implemented by the algorithms of Context Adaptive Binary Arithmetic Coding. This stage provides additional compression of video data without distortion in the encoded image.

Ten years later. HEVC standard: what’s new?

The new H.265/HEVC standard is the development of methods and algorithms for compressing video data embedded in H.264/AVC. Let’s briefly review the main differences.
An analog of a macroblock in HEVC is the Coding Unit (CU). Within each block, areas for calculation of Prediction are selected — Prediction Unit (PU). Each CU also specifies the limits within which the areas for calculating the discrete orthogonal transformation from the residual signal are selected. These areas are called the Transform Unit (TU).
The main distinguishing feature of HEVC here is that the split of a video frame into CU is conducted adaptively, so that it is possible to adjust the CU boundaries to the boundaries of objects on the image (Figure 3). Such adaptability allows to achieve an exceptionally high quality of prediction and, as a consequence, a low level of the residual signal.
An undoubted advantage of such an adaptive approach to frame division into blocks is also an extremely compact description of the partition structure. For the entire video sequence, the maximum and minimum possible CU sizes are set (for example, 64x64 is the maximum possible CU, 8x8 is the minimum). The entire frame is covered with the maximum possible CUs, left to right, top-to-bottom.
It is obvious that, for such coverage, transmission of any information is not required. If partition is required within any CU, then this is indicated by a single flag (Split Flag). If this flag is set to 1, then this CU is divided into 4 CUs (with a maximum CU size of 64x64, after partitioning we get 4 CUs of size 32x32 each).
For each of the CUs received, a Split Flag value of 0 or 1 can, in turn, be transmitted. In the latter case, this CU is again divided into 4 CUs of smaller size. The process continues recursively until the Split Flag of all received CUs is equal to 0 or until the minimum possible CU size is reached. Inserted CUs thus form a quad tree (Coding Tree Units, CTU). As already mentioned, within each CU, areas for calculating prediction- Prediction Units (PU) are selected. With Intra Prediction, the CU area can coincide with the PU (2Nx2N mode) or it can be divided into 4 square PUs of twice smaller size (NxN mode, available only for CU of minimum size). With Inter Prediction, there are eight possible options for partitioning each CU into PUs (Figure 3).
Fig.3 Video frame partitioning into CUs is conducted adaptively
The idea of spatial prediction in HEVC remained the same as in AVC. Linear combinations of neighboring pixel values, adjacent to the block on the left and above, are used as predicted sample values in the PU block. However, the set of methods for spatial prediction in HEVC has become significantly richer. In addition to Planar (analogue to Plane in AVC) and DC methods, each PU can be predicted by one of the 33 ways of “angular” prediction. That is, the number of ways, in which the values are calculated by “neighbor”-pixels, is increased by 4 times.
Fig. 4. Possible partitioning of the Coding Unit into Prediction Units with the spatial (Intra) and temporary (Inter) CU prediction modes
We can point out two main differences of Inter- prediction between HEVC and AVC. Firstly, HEVC uses better interpolation filters (with a longer impulse response) when calculating reference images with non-integer offset. The second difference concerns the way the information about the reference area, required by the decoder for performing the prediction, is presented. In HEVC, a “merge mode” is introduced, where different PUs, with the same offsets of reference areas, are combined. For the entire combined area, information about motion (motion vector) is transmitted in the stream once, which allows a significant reduction in the amount of information transmitted.
In HEVC, the size of the discrete two-dimensional transformation, to which the Residual signal is subjected, is determined by the size of the square area called the Transform Unit (TU). Each CU is the root of the TU quad tree. Thus, the TU of the upper level coincides with the CU. The root TU can be divided into 4 parts of half the size, each of which, in turn, is a TU and can be further divided.
The size of discrete transformation is determined by the TU size of the lower level. In HEVC, transforms for blocks of 4 sizes are defined: 4x4, 8x8, 16x16, and 32x32. These transformations are integer analogs of the discrete two-dimensional Fourier cosine transform of corresponding size. For size 4x4 TU with Intra-prediction, there is also a separate discrete transformation, which is an integer analogue of the discrete sine Fourier transform.
The ideas of the procedure of quantizing spectral coefficients of Residual signal, and also entropy coding in AVC and in HEVC, are practically identical.
Let’s note one more point which was not mentioned before. The quality of decoded images and the degree of video data compression are influenced significantly by post-filtering, which decoded images with Inter-prediction undergo before they are placed in the DPB.
In AVC, there is one kind of such filtering — deblocking filter. Application of this filter reduces the block effect resulting from quantization of spectral coefficients after orthogonal transformation of Residual signal.
In HEVC, a similar deblocking filter is used. Besides, an additional non-linear filtering procedure called the Sample Adaptive Offset (SAO) exists. Based on the analysis of pixel value distribution during encoding, a table of corrective offsets, added to the values of a part of CU pixels during decoding, is determined.
In HEVC, the size of the discrete two-dimensional transformation, to which the Residual signal is subjected, is determined by the size of the square area called the Transform Unit (TU). Each CU is the quad-tree of TU’s. Thus, the TU of the upper level coincides with the CU. The root TU can be divided into 4 parts of half the size, each of which, in turn, is a TU and can be further divided.
The size of discrete transformation is determined by the TU size of the lower level. There are four transform block sizes in HEVC: 4x4, 8x8, 16x16, and 32x32. These transforms are discrete two-dimensional Fourier cosine transform of corresponding size. For 4x4 Intra-predicted blocks, could be used another discrete transform — sine Fourier transform.
The quantization of spectral coefficients of residual signal, and entropy coding in AVC and in HEVC, are almost identical.
Let’s note one more point which was not mentioned before. The quality of decoded images, hence the degree of video data compression, is influenced significantly by post-filtering, which applied on decoded Inter-predicted images before they are placed in the DPB.
In AVC, there is one kind of such filtering — deblocking filter. It masking blocking artifacts effect originating from spectral coefficients quantization after orthogonal transformation of residual signal.
In HEVC, a similar deblocking filter is used. Besides, an additional non-linear filtering procedure called the Sample Adaptive Offset (SAO) exists. Sample level correction is based either on local neighborhood or on the intensity level of sample itself. Table of sample level corrections, added to the values of a part of CU pixels during decoding, is determined.

And what is the result?

Figures 4–7 show the results of encoding of several high-resolution (HD) video sequences by two encoders. One of the encoders compresses the video data in the H.265/HEVC standard (marked as HM on all the graphs), and the second one is in the H.264/AVC standard.
Fig. 5. Encoding results of the video sequence Aspen (1920x1080 30 frames per second)
Fig. 6. Encoding results of the video sequence BlueSky (1920x1080 25 frames per second)
Fig. 7. Encoding results of the video sequence PeopleOnStreet (1920x1080 30 frames per second)
Fig. 8. Encoding results of the video sequence Traffic (1920x1080 30 frames per second)
Coding was performed at different quantization values of spectral coefficients, hence with different levels of video image distortion. The results are presented in Bitrate (mbps) — PSNR(dB) coordinates. PSNR values characterize the degree of distortion.
On average, it can be stated that the PSNR range below 36 dB corresponds to a high level of distortion, i.e. low quality video images. The range of 36 to 40 dB corresponds to the average quality. With PSNR values above 40 dB, we can call it a high video quality.
We can roughly estimate the compression ratio provided by the encoding systems. In the medium quality area, the bit rate provided by the HEVC encoder is about 1.5 times less than the bit rate of the AVC encoder. Bitrate of an uncompressed video stream is easily determined as the product of the number of pixels in each video frame (1920 x 1080) by the number of bits required to represent each pixel (8 + 2 + 2 = 12), and the number of frames per second (30).
As a result, we get about 750 Mbps. It can be seen from the graphs that, in the area of average quality, the AVC encoder provides a bit rate of about 10–12 Mbit/s. Thus, the degree of video information compression is about 60–75 times. As already mentioned, the HEVC encoder provides compression ratio 1.5 times higher.

About the author

Oleg Ponomarev, 16 years in video encoding and signal digital processing, expert in Statistical Radiophysics, Radio waves propagation. Assistant Professor, PhD at Tomsk State University, Radiophysics department. Head of Elecard Research Lab.
submitted by VideoCompressionGuru to u/VideoCompressionGuru [link] [comments]

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