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Open Source Projects PiOmxTextures

Raspberry Pi Wheezy Image With OpenMAX-based Multimedia Backend

Raspberry Pi Wheezy Image With OpenMAX-based Multimedia Backend
August 8, 2013August 8, 2013

Please take into consideration that this firmware is based on an old firmware and an old PiOmxTextures version. As I see still someone has troubles building PiOmxTextures, I built a[...]

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Notes for Devs

Cross-building ICU for Applications on Embedded Devices

Cross-building ICU for Applications on Embedded Devices
May 26, 2013May 26, 2013

There are some pretty common libraries that come very handy in some situations when developing for common embedded systems like Android and iOS. One of this is the ICU library,[...]

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Open Source Projects PiOmxTextures

Hardware Accelerated QtMultimedia Backend for Raspberry Pi and OpenGL Shaders on Video

Hardware Accelerated QtMultimedia Backend for Raspberry Pi and OpenGL Shaders on Video
April 24, 2013April 24, 2013
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EDIT: This article is outdated. Refer to newer posts for properly working builds, instructions on how to build etc… In particular: “Using POT Builds” and “Build Procedure for PiOmxTextures“. EDIT:[...]

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Open Source Projects

Accelerated Video Decoding and Rendering in QML with Necessitas Qt 4 for Android

Accelerated Video Decoding and Rendering in QML with Necessitas Qt 4 for Android
April 19, 2013April 19, 2013
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Ok, I did this a couple of months ago but I just realized it might be of help to someone who is currently using Necessitas Qt4 for some project and[...]

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Notes for Devs

Raspberry Pi Wheezy Image With Qt and Wayland Support

Raspberry Pi Wheezy Image With Qt and Wayland Support
March 17, 2013March 17, 2013

According to what I read around, it should be possible to install some build of Qt 5 using apt on Raspberry by adding the Qt repo: read here. However, some[...]

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Notes for Devs

Bring up Qt 5 on Raspberry Pi with Wayland

Bring up Qt 5 on Raspberry Pi with Wayland
March 3, 2013March 3, 2013

Ok, I’ve been waiting to do this for quite some time but never had the time to actually do it. I tried this quickly twice but without success because of[...]

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Open Source Projects PiOmxTextures

QML Components for Video Decoding and Rendering POC Code Available

QML Components for Video Decoding and Rendering POC Code Available
February 23, 2013February 23, 2013

As requested I shared the sources of the demo videos I posted recently. I tested these components with a few videos and I saw that it seems to work “reasonably[...]

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Notes for Devs

Animations on a Surface Rendering Video on Android

Animations on a Surface Rendering Video on Android
February 10, 2013February 10, 2013
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I’ve been recently asked to do a little research on how to implement animations on a video surface in Android, somehow similarly to how I did in the previous posts[...]

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Open Source Projects PiOmxTextures

Custom QML Component for Hardware Accelerated Video Leveraging omxplayer

Custom QML Component for Hardware Accelerated Video Leveraging omxplayer
January 20, 2013January 20, 2013

While working on completing the custom QML component for rendering video on Raspberry Pi, I asked myself: does it really make sense to always re-invent the wheel? And also, shouldn’t[...]

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Open Source Projects PiOmxTextures

Custom QML Component to Integrate Hardware Acceleration in Qt Scene Graph

Custom QML Component to Integrate Hardware Acceleration in Qt Scene Graph
December 26, 2012December 26, 2012
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This is a custom QQuickItem subclass rendering hardware-decoded h264 1080p video on Raspberry Pi. The egl_render component used in some previous posts is good. The QML component can play nicely[...]

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Open Source Projects PiOmxTextures

Decoding and Rendering to Texture H264 with OpenMAX on Raspberry Pi

Decoding and Rendering to Texture H264 with OpenMAX on Raspberry Pi
December 9, 2012December 9, 2012
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After accomplishing the target of decoding and rendering compressed image formats onto OpenGL textures directly using OpenMAX, I’ve looked into how to use the same concept to render h264 stream[...]

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Open Source Projects PiOmxTextures

Decoding and Rendering Compressed Images with OpenMAX on Raspberry Pi

Decoding and Rendering Compressed Images with OpenMAX on Raspberry Pi
December 6, 2012December 6, 2012
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After building Qt 5.0 on Raspberry Pi, I focused the attention to hardware acceleration using OpenMAX. This is quite an interesting subject to study. The most interesting element I found[...]

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Notes for Devs

Making QtWebKit with WebKit2 in Qt 5.0 work on Raspberry Pi

Making QtWebKit with WebKit2 in Qt 5.0 work on Raspberry Pi
November 26, 2012November 26, 2012
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After compiling Qt 5.0 for Raspberry Pi, I wanted to try all the modules. I compiled and tested the simplest modules first, like: Everything worked quite smoothly, without any change,[...]

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Notes for Devs

32 bit color depth Qt on Raspberry Pi

32 bit color depth Qt on Raspberry Pi
November 26, 2012November 26, 2012

EDIT: I see this post is still consulted very often. The solution below was the only one I found years ago. Now it seems that setting the env variable QT_QPA_EGLFS_FORCE888[...]

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Notes for Devs

Bring up Qt 5.0 on Raspberry Pi

Bring up Qt 5.0 on Raspberry Pi
November 18, 2012November 18, 2012

NOTE: For updated information read here. Ok, so I got my brand new Raspberry Pi! 🙂 I found a couple of guides on how to compile Qt 5.0 for it,[...]

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Notes for Devs

Programming using the Android NDK with Qt Creator

Programming using the Android NDK with Qt Creator
August 17, 2012August 17, 2012

I recently had to implement libraries for the Android OS using the Android NDK, or implementing JNIbindings for others to leverage C++ libraries from the Java layer. I commonly did[...]

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Notes for Devs

Compiling SQLCipher for Windows

Compiling SQLCipher for Windows
August 11, 2012August 11, 2012

SQLCipher is a great extension to the SQLite library. It can be used to encrypt the database when using the SQLite API. It can be compiled for the major platforms[...]

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Notes for Devs

Embedded cross-platform development for Android, iOS and Linux Embedded

Embedded cross-platform development for Android, iOS and Linux Embedded
May 2, 2012May 2, 2012

I recently came across a new problem: cross-platform development of libraries on iOS, Android and Linux Embedded devices. What I wanted was a cross-platform way of writing a library letting me[...]

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  • Approximation, Finite Elements and Isogeometric Analysis (with Matlab implementation)
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  • Docker Containers for Continuous Integration with Qt on Android and Linux

Isogeometric Analysis

  • Isogeometric Analysis and Finite Element Method
  • Isogeometric Analysis: Bezier Curves and Surfaces in Octave and TypeScript
  • Isogeometric Analysis: B-spline Curves and Surfaces in Octave and TypeScript
  • Isogeometric Analysis: NURBS curves and surfaces in Octave and TypeScript
  • Isogeometric Analysis: Knot Insertion for NURBS
  • Isogeometric Analysis: Bézier Curves and Surfaces in Rust

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