This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs. |
The Audio Developer's Guide is intended for developers who wish to write audio applications using the QNX Sound Architecture (QSA) drivers and library.
This table may help you find what you need in this guide:
To find out about: | Go to: |
---|---|
The structure of an audio application | Audio Architecture |
Playing and recording sound | Playing and Capturing Audio Data |
The structure of a mixer | Mixer Architecture |
Audio library functions | Audio Library |
How to code a .wav player in C | wave.c example |
How to code a .wav recorder in C | waverec.c example |
How to code a mix_ctl in C | mix_ctl.c example |
Why libasound.a isn't offered | LGPL License Agreement |
Terms used in this guide | Glossary |
You should have already installed QNX Neutrino and become familiar with its architecture. For a detailed overview, see the System Architecture guide. |
The key components of the QNX Audio driver architecture include:
The QNX Sound Architecture has evolved away from ALSA. You should reread this entire guide.
Three function calls, a structure, and a <mix_ctl.c> example were added:
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