💻 Tech

A complete C++ guide for extracting and decoding individual video frames using the ffmpeg/libav library, covering file opening, stream detection, codec initialization, and frame conversion.

Audio waveform visualization and sound engineering equipment

A ring buffer for audio samples

January 21, 2020

audio programming

At Fliva we work with audio, video and we do transcoding, muxing and all that jazz.

Generate Source Files With CMake

July 31, 2015

cmake c++ code generation

Sometimes when writing C++ programs I have textual data that I want to be part of the executable instead of in flat files next to it. But while developing it's far easier to have the textual data in separate files rather than as strings in source.

Trim Strings in C++ with Boost

July 22, 2015

boost clang c++ string trim

One of the biggest grievances I had when I started writing a lot of C++ code was that things we take for granted as built-in in other languages are harder to do right in C++. For simple string manipulation, there is boost.

C++ code with string manipulation and data structures

Split Strings in C++ With Boost

July 22, 2015

c++ boost split string

I just wrote about how to trim strings with boost, and the code where I first needed to trim was actually a very simple naive parser where strings of key value pairs would be split and then each part trimmed.