Artikel in Kategorie "Multimedia"

Stabilize Shaky Video With ffmpeg and vidstab

Overview On my walking and hiking tours i often do not carry my camera but only my Android phone. Unlike the camera, the phone features no image stabilization mechanism whatsoever. In the past i have used the option offered by Google’s YouTube to apply a transformation that compensates for the most unfriendly effects of my […]

„jack-autostart“ – Setup and Start Scripts for jackd

„jack-autostart“ is essentially a start script (I use it for my XFCE sessions) that starts „jackd“ with appropriate command line parameters and configures as many applications as possible to route playback to the JACK service. For this purpose, redirect all ALSA playback to JACK, and set JACK as default audiosink/-source for GStreamer.

DTP With Free Software?

In case anyone is wondering how to produce documents with complex structure, multiple pages and professional quality using free software, the answer is of course: with LaTeX. Consider the alternatives: Office (Libre, Open, the KDE stuff) are a nuisance when it comes to properly customized sectioning, and for larger documents or 100% precise positioning they […]

Determining The Playtime In Seconds from an OGG Vorbis File

Problem To determine the runtime in integer seconds (not including a fractional amount) of a given audio file in format OGG-Vorbis. This value is required, for example, in the EXTM3U syntax. Solution 1. Install package vorbis-tools 2. Define this shell function: ogglength() { LANG=C ogginfo „$1“ | perl -ne ‚ BEGIN { $rv = 1; […]

Die Panasonic DMC LX 100 …

… ist eine ziemlich Gute und dafür, dass sie eine Kompakte ist, ohne Übertreibung eine fantastische Kamera. Allerdings ist sie schwer zu bedienen, weil die Menüs und Betriebsmodi ziemlich … „futzelig“ sind. 🙂

Utility to Generate Waveform JPG from CBR MP3

„waveform“ is a commandline utility for GNU/Linux, written in C, that takes a constant-bitrate (CBR) encoded MP3 file as input and generates waveform diagrams like this:

Web-MP3-Player with HTML5, Flash and Playlist Support

About This project provides a JavaScript constructor MyPlayer({…options…}) that can be used to embed lists of audio files as read from an index document or an M3U into a web document. They will be displayed in a playback GUI with a playlist that can optionally be filled from the „title“ and „artist“ values of the […]

Self-Hosted Webfonts: Origin Considerations

Regarding my previous article, „Self-Hosted Webfonts„, various sources such as [1] suggest that additional measures should be taken so that unrelated web presences can not utilize the hosted fonts by simply referencing them on their own pages (thus „borrowing“ traffic by using a font file that someone else hosts).