zeitiger’s gists

zeitiger / split_speaker_zoom_recording_per_speaker.py

Created November 23, 2023 21:36

Python script for splitting a video based on detected speakers: This script utilizes frame analysis to identify speakers in a video, comparing frames against known speaker images and creating separate video clips for each speaker found. The code employs similarity calculations and MoviePy for video processing, offering a starting point for speak…

	import cv2
	import numpy as np
	from moviepy.editor import VideoFileClip
	from moviepy.video.io.ffmpeg_writer import FFMPEG_VideoWriter as VideoFileClipWriter

	lastest_speaker_frames = [None for _ in range(6)]

	# TODO find a better way to calculate ssim
	def calculate_ssim(x, y):
	# Convert images to grayscale

zeitiger / registerCustomElements.js

Created July 13, 2016 07:28

Register low level custom elements dynamic on the fly for v0 and v1

	const noop = () => undefined;
	/**
	*
	* @param {string} elementName
	* @param {string} sourceTagName
	* @param {object} sourcePrototype
	* @param {function} setup
	* @param {function} destroy
	* @see https://developers.google.com/web/fundamentals/primers/customelements/
	*/

zeitiger / replace-css-loader.js

Created April 12, 2016 13:39

In test scenario it could be helpful to simple disable css-plugin of SystemJS

 System.set(System.normalizeSync('css'), System.newModule({
   fetch() {
     console.info('disable css loading in test suite');
     return Promise.resolve('');
   }
 }));

zeitiger / gist:a57ead8904ee9a6ec4c3

Created March 9, 2016 08:21

How to convert shp to geojson under Mac OS X

	#install gdal
	brew install gdal
	#convert 1:1
	ogr2ogr -f "GeoJSON" file.geojson file.shp
	#convert loose, higher tolerance in simplify reduce files size and lost data precision
	ogr2ogr -simplify 0.000001 -f "GeoJSON" file.geojson file.shp

zeitiger / gist:1387f7d996f64b493608

Last active March 30, 2022 08:11

JSExportAs Workaround in Swift (simplified code example)

	public typealias myFunctionDefAlias = (@objc_block (String, String, NSNumber) -> Void)

	@objc
	public protocol MyJSExportProtocol: JSExport {
	// JSExportAs alternative in Swift via closure
	var myFunction:myFunctionDefAlias? {get}
	}

	@objc
	public class MyJSExportClass: NSObject, MyJSExportProtocol {

David Steinkopff zeitiger