Playing and Capturing Audio Data
QNX SDP
7.1
QNX Neutrino RTOS Audio Developer Guide
API
Architecture
Updated: October 28, 2024
This chapter describes the major steps required to play back and capture (i.e., record) sound data.
Handling PCM devices
The software processes for playing back and capturing audio data are similar. This section describes the common steps.
Playing audio data
Once you've opened and configured a PCM playback device and prepared the PCM subchannel, you're ready to play back sound data.
Capturing audio data
Once you've opened and configured a PCM capture device and prepared the PCM subchannel, you're ready to capture sound data.