evantahler

#!/usr/bin/env node
 
// A simple DMX example which will turn all the lights on and off every second
// You can use this as a fork within another application as well (cluster-awareness)

////////////
// dmx.js //
////////////
 
var ftdi    = require('ftdi');

xbeta

http://stackoverflow.com/questions/24380159/corebluetooth-and-wifi-interference

http://lists.apple.com/archives/bluetooth-dev/2013/Aug/msg00023.html

This is a well known issue, and it has a solution that is confirmed to work for the Mac side.

sudo defaults write /Library/Preferences/com.apple.airport.bt.plist bluetoothCoexMgmt Hybrid

After you run this script, the issue will go away and BT connections will remain stable.

nenjiru

/*
--------------------------------------------------------------------------------
    Config
--------------------------------------------------------------------------------
*/
var dgram  = require('dgram')
  , Buffer = require('buffer').Buffer;

var HEADER   = [65, 114, 116, 45, 78, 101, 116, 0, 0, 80, 0, 14, 0, 0, 0, 0];

floz

/*
** Copyright (c) 2012, Romain Dura romain@shazbits.com
** 
** Permission to use, copy, modify, and/or distribute this software for any 
** purpose with or without fee is hereby granted, provided that the above 
** copyright notice and this permission notice appear in all copies.
** 
** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 
** WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 
** MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 

mgk

/**
 * Print SAMD chip serial number.
 *
 * http://atmel.force.com/support/articles/en_US/FAQ/Reading-unique-serial-number-on-SAM-D20-SAM-D21-SAM-R21-devices
 */
void setup() {
  Serial.begin(9600);
  delay(1000);
}

rainabba

First, I should be clear that this was done on a G2 AWS instance and I started with working nvidia support by following http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using_cluster_computing.html

From that (or if you're feeling more bold), the thing to take is getting the right binary install package and running it. Look at http://www.nvidia.com/object/unix.html and get the package you want (at the time, I'm using 'Latest Long Lived Branch version: 361.45.11'), then run the file you get. For example, sudo sh ./NVIDIA-Linux-x86_64-361.45.11.run.

I do not have time to test on a clean instance so you may need a bit more setup that I've not mentioned and I make no guarantees anyway since I hardly know what I'm doing here :)

The ffmpeg_build.sh script was mostly copy/paste from the guide at https://trac.ffmpeg.org/wiki/CompilationGuide/Centos and with significant help from folks on FreeNode #ffmpeg (notably furq and JEEB though there were others).

The steps for adding OpenCL headers support was borrowed

nocduro

/*  OctoWS2811 - High Performance WS2811 LED Display Library
    http://www.pjrc.com/teensy/td_libs_OctoWS2811.html
    Copyright (c) 2013 Paul Stoffregen, PJRC.COM, LLC

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

JohnPreston

#!/usr/bin/env bash

if ! [ "$#" -eq 1 ]; then
    echo "Usage: install_ffmpeg_amzn_linux.sh build_directory"
    exit 1
fi

CPU_THREADS=`cat /proc/cpuinfo | grep processor | tail -1 | awk '{print $NF}'`
ROOT_DIR=$1
SOURCES_DIR=$ROOT_DIR/ffmpeg_sources

Brainiarc7

Spawning multiple ffmpeg processes with xargs:

On standard NVIDIA GPUs (Not the Quadros and Tesla lines), NVENC encodes are limited to two simultaneous sessions. The sample below illustrates how to pass a list of AVI files to ffmpeg and encode them to HEVC on two encode sessions:

$ find Videos/ -type f -name \*.avi -print | sed 's/.avi$//' |\
  xargs -n 1 -I@ -P 2 ffmpeg -i "@.avi" -c:a aac -c:v hevc_nvenc "@.mp4"

This will find all files with the ending .avi in the directory Videos/ and transcode them into HEVC/H265+AAC files with the ending .mp4. The noteworthy part here is the -P 2 to xargs, which starts up to two processes in parallel.

Brainiarc7

Quickly check for supported NVENC and NPP hardware acceleration capabilities in FFmpeg on your platform:

Depending on how you built ffmpeg, you may want to check the supported NVENC-based hardware acceleration capabilities in ffmpeg by running:

$ for i in encoders decoders filters; do
    echo $i:; ffmpeg -hide_banner -${i} | egrep -i "npp|cuvid|nvenc|cuda|nvdec"
done

Sample output (as on my testbed):