cdgraff’s gists

cdgraff / livestreammonitor.py

Created August 12, 2022 02:16 — forked from sinkers/livestreammonitor.py

Script for live video streaming monitoring with notifications

	#!/usr/bin/python
	'''
	Script to monitor live streams and send an Amazon SNS if the stream is down (and possibly take restorative action)

	Future:
	Black detect: ffmpeg -i out.mp4 -vf blackdetect -f null -
	Note the following doesn't seem to fully work without looking at the debug logs
	On live ffmpeg -y -i rtmp://cp30129.live.edgefcs.net/live/videoops-videoops@50541 -vf blackdetect -t 10 -loglevel debug -f null -

	'''

cdgraff / check.liq

Created March 6, 2022 19:48 — forked from giflw/check.liq

Playlist check function used with the logs in Liquidsoap

	set("log.file.path", "/tmp/test.log")
	set("server.socket.path","/tmp/<script>.sock")
	set("server.socket",true)

	# Simple check function to match any "Finished with ...." line in the logs
	def checker(n)
	# get info from upcoming request
	m = request.metadata(n)
	# command to find if the file was played according to the log
	command = 'grep -F'

cdgraff / icecast2-bq-table-schema

Last active May 15, 2019 21:40

BigQuery + Icecast2 logs

cdgraff / gist:0db25a2780374d4aa8e9fa57783fee49

Created March 22, 2019 23:14

SoapySDRUtil --probe

	root@raspberrypi3-e78c6d9:/data# SoapySDRUtil --probe
	######################################################
	## Soapy SDR -- the SDR abstraction library ##
	######################################################

	Probe device
	usb_claim_interface error -6
	Found Rafael Micro R820T tuner
	Detached kernel driver
	Found Rafael Micro R820T tuner

cdgraff / gist:52e414fb3254910b47e9cdc8bc0d5f78

Created December 28, 2018 14:41

cpuload.py

	#!/usr/bin/env python
	"""
	Produces load on all available CPU cores
	"""
	from multiprocessing import Pool
	from multiprocessing import cpu_count

	def f(x):
	while True:
	x*x

cdgraff / gist:c1ab87cecd2f7f52dac053fa2b1d82cc

Created September 17, 2018 14:10

	const {Storage} = require('@google-cloud/storage');
	const ffmpegPath = require('@ffmpeg-installer/ffmpeg').path;
	const ffmpeg = require('fluent-ffmpeg');

	var bucket = 'test-demo-transcode';
	ffmpeg.setFfmpegPath(ffmpegPath);

	exports.transcodeVideo = (data, context) => {
	const file = data;

cdgraff / asound.state

Created June 23, 2018 20:51

/var/lib/alsa/asound.state

cdgraff / Crosstool NG 1.23, Raspberry PI3

Last active March 31, 2023 06:25 — forked from h0tw1r3/Crosstool NG 1.22, Raspberry PI

	$ git clone -b 1.23 https://github.com/crosstool-ng/crosstool-ng.git
	$ cd crosstool-ng
	$ ./bootstrap
	$ ./configure --prefix=/usr/local
	$ make
	$ sudo make install
	$ cd ..
	$ mkdir ctng
	$ ct-ng menuconfig

cdgraff / gist:654d839f455e8f838c997fce2eb60cc7

Created March 8, 2018 18:11 — forked from sgergely/gist:3793166

Midnight Commander Keyboard Shortcuts for Mac OSX

	----- Esc -----
	Quick change directory: Esc + c
	Quick change directory history: Esc + c and then Esc + h
	Quick change directory previous entry: Esc + c and then Esc + p
	Command line history: Esc + h
	Command line previous command: Esc + p
	View change: Esc + t (each time you do this shortcut a new directory view will appear)
	Print current working directory in command line: Esc + a
	Switch between background command line and MC: Ctrl + o
	Search/Go to directory in active panel: Esc + s / Ctrl + s then start typing directory name

cdgraff / rtl_fm options

Created February 26, 2018 01:01 — forked from cannikin/rtl_fm options

	rtl_fm, a simple narrow band FM demodulator for RTL2832 based DVB-T receivers

	Use: rtl_fm -f freq [-options] [filename]
	-f frequency_to_tune_to [Hz]
	use multiple -f for scanning (requires squelch)
	ranges supported, -f 118M:137M:25k
	[-M modulation (default: fm)]
	fm, wbfm, raw, am, usb, lsb
	wbfm == -M fm -s 170k -o 4 -A fast -r 32k -l 0 -E deemp
	raw mode outputs 2x16 bit IQ pairs

AlejandroF cdgraff