Core Audio sample architecture
Source-backed, high-level architecture notes for Apple sample-code pages grouped in the Core Audio folder.
- Catalog module label:
Core Audio - Coverage: 3 / 3 sample pages documented
- Source policy: archive hashes and extracted-tree references are verified locally before analysis
Samples
| Sample | Platforms | High-level architecture | Documented patterns |
|---|---|---|---|
| Building an Audio Server Plug-in and Driver Extension | DriverKit, macOS | A C++, C/Objective-C header, Shell sample centered on CAMutex, with direct use of CoreAudio, CoreFoundation, IOKit, mach. |
— |
| Capturing system audio with Core Audio taps | macOS | A C/Objective-C header, Objective-C++, Swift sample with the source-visible chain AudioTapSampleApp → ContentView → Model → AudioRecorder → CoreAudio APIs. |
SwiftUI environment injection, Binding-based state propagation, Publisher-backed observable state |
| Creating an Audio Server Driver Plug-in | macOS | A procedural C plug-in where NullAudio_Create returns a singleton driver reference backed by a static Core Audio callback table and file-scoped state. |
CFPlugIn factory, Callback-table interface, Mutex-guarded module state |
Cross-sample signals
Recurring documented patterns
| Pattern label | Sample documents |
|---|
Type-role naming evidence
Counts below are declaration-name suffixes, not inferred patterns.
| Role suffix | Distinct declarations across samples |
|---|---|
View |
6 |
App |
1 |
Model |
1 |
Recorder |
1 |
Swift access-control evidence
These are declaration occurrences in scanned Swift source, including implicit internal declarations.
| Access level | Occurrences |
|---|---|
implicit internal |
185 |
private |
11 |
public |
6 |
References
Generated from the verified local catalog and completed Markdown documents.