By Gareth Stockwell

Pimp my video: shader effects and multimedia

Published Wednesday February 29th, 2012 | 29 Comments on Pimp my video: shader effects and multimedia
Posted in Multimedia, OpenGL, Qt Quick

Introduction A topic which has been receiving quite a bit of attention recently is the use of shader programs to apply effects within Qt Quick applications. Once you have grasped the basics of the shader programming language, embedding the shaders in your application is made really easy by Qt Quick, with the result that stunning […]

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QtMultimedia in action: a spectrum analyser

Published Tuesday May 18th, 2010 | 17 Comments on QtMultimedia in action: a spectrum analyser
Posted in Multimedia, S60, Symbian

In the previous post, we looked at the QtMultimedia audio APIs, and discussed when you might want to use them. In this post, we’ll look at a demo app which uses these APIs, and discuss how it was developed, how it makes use of QAudioInput and QAudioOutput, and some of the challenges which needed to […]

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Low-level audio processing with QtMultimedia

Published Monday May 10th, 2010 | 21 Comments on Low-level audio processing with QtMultimedia
Posted in Multimedia

One of the new features introduced in Qt 4.6 is the QtMultimedia module. The ‘big picture’ view of QtMultimedia has been presented in an earlier post to this blog, and has been recently updated. Here I want to take a closer look at the low-level audio APIs in particular, to discuss the types of applications […]

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