Real time computing is where a computer can act guaranteed within a specified time frame.

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2answers
648 views

XMPP, MQTT, Socket.IO or WebSocket

I want to create a website and it has a chat application. I read a little about XMPP , MQTT , Socket.IO and WebSocket. I'm confused that which one is best for my usage. Does anybody have a good ...
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1answer
1k views

VLC, realtime priority and rtkit

How can I increase the priority of VLC to some realtime level? The realtime setting inside of VLC does not seem to have any effect. I figure it nowerdays (on a modern Linux system, not a from scratch ...
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1answer
130 views

Subtitle program for DVD on Mac

I like the looks of Belle Nuit Subtitler, even though the price is a bit high. Does anyone know any other program like it that can add subtitles to a video stream while watching the stream itself? ...
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1answer
79 views

getting webcam frame from 2 different computers

I want to receive real-time recording from 2 computer webcams to my laptop via internet. I'm using Debian. Which is the simplest way?
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0answers
270 views

How to have a soft-real-time process in presense of heavily swapping IO-intensive background load?

schedtool: PID 32301: PRIO 4, POLICY R: SCHED_RR , NICE -20, AFFINITY 0xf ionice: realtime: prio 4 But the music is stumbling anyway. Background load is low prio (SCHED_IDLEPRIO, idle ...
2
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0answers
267 views

How to do a real-time task with a high-load background task in Linux?

I've started recording of sound (minor CPU, memory and IO load) as schedtool -R -p 2 -e arecord -f cd > qqq5.wav And perform large compilation (high CPU load + high memory load + high IO load) ...
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0answers
188 views

Embedded System for a image processing task

I'm quite a beginner to embedded systems, but am eager to learn more. I've used an Arduino previously and quite recently purchased a Raspberry Pi (but not used it as much). I have numerous questions ...
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0answers
37 views

Is latency from hardware interrupts a hardware, driver or kernel issue?

Being a power user I have spent countless hours tuning systems, checking DPC latency blah blah All of this begs the question why are we still dealing with these issues? I personally can't tell if ...
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0answers
50 views

Using SOX as audio pass-through

I need to pass the audio, in near-real time, coming from the optical input of my computer into my external USB DAC, so I thought SOX might be a solution, so, I did this: sox -d -d It works, but ...
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0answers
162 views

How to translate chat text in real-time?

Let's say you want to chat with a Russian who doesn't know English, but you don't want to copy and paste text into a translator for every message. How do you translate the English text as you type, ...
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0answers
93 views

Socket.IO & Millions of requests

I am working on a social media company which has almost half of a million users. It's an iOS and Android application. I just joined them to build their website so I want to use socket.io for the ...
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0answers
33 views

Twitter alerts for keyword volume per hour

My company has a twitter account that normally gets 10-20 mentions per day. If I start getting 30+ mentions in a day, I know that something in my application is broken. How can I set up a monitoring ...
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0answers
234 views

Autohotkey - get recording Volume of default device's mic

I have already googled and found this: http://www.autohotkey.com/board/topic/21984-vista-audio-control-functions/. But this library dont gives what i want: i want to get the real-time recording volume ...