| sudo aptitude install ffmpeg | |
| sudo aptitude install imagemagick | |
| # fps=1 > every seconds | |
| ffmpeg -i video.mp4 -f image2 -vf fps=fps=1 out%d.png | |
| # horizontal sprite, resized at 30% | |
| convert -resize 30% +append out*.png sprite-1-sec.png | |
| # references: |
| <?xml version='1.0' encoding='UTF-8'?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:apps='http://schemas.google.com/apps/2006'> | |
| <title>Mail Filters</title> | |
| <id>tag:mail.google.com,2008:filters:1454911219436,1454911282305,1454911348848,1454911394202,1454911542475,1454911590322</id> | |
| <updated>2016-02-08T06:06:48Z</updated> | |
| <author> | |
| <name>Bernardo Santos Schorr</name> | |
| <email>[email protected]</email> | |
| </author> | |
| <entry> | |
| <category term='filter'></category> |
| // node.js | |
| // use the built in http library | |
| var http = require("http"); | |
| // start a GET request for the URL | |
| http.get("http://marsweather.ingenology.com/v1/latest/", | |
| function(result) { | |
| // when the request is ready, start downloading the data in chunks | |
| var data = ""; | |
| //---------------------------------------------------------------------- paper script -> javascript | |
| // Define a point to start with | |
| var point1 = new Point(10, 20); | |
| debugger; | |
| // Create a second point that is 4 times the first one. | |
| // This is the same as creating a new point with x and y | |
| // of point1 multiplied by 4: | |
| var point2 = point1 * 4; |
| from bs4 import BeautifulSoup | |
| import requests | |
| import re | |
| import urllib2 | |
| import os | |
| import argparse | |
| import sys | |
| import json | |
| # adapted from http://stackoverflow.com/questions/20716842/python-download-images-from-google-image-search |
| FFMPEG '-i', file, '-c:v', 'libopenjpeg', "jpeg2000\\" + name + ".jp2"\ | |
| Convert image to jpeg2000 | |
| ffmpeg -i in.png -c:v libopenjpeg out.jp2 | |
| Hex Edit out.jp2 | |
| ffmpeg -i in.jp2 -c:v png out.png | |
| General Edit | |
| ffmpeg -i input.avi -c:v mpeg2video -g 999 -q:v 1 output.avi | |
| *edit in avidemux/whatever* |
Brought to you by Headjack
FFmpeg is one of the most powerful tools for video transcoding and manipulation, but it's fairly complex and confusing to use. That's why I decided to create this cheat sheet which shows some of the most often used commands.
Let's start with some basics:
ffmpeg calls the FFmpeg application in the command line window, could also be the full path to the FFmpeg binary or .exe file