Remove all subprocess-based audio code to simplify the audio system and
reduce complexity. Audio now uses CGO in-process mode exclusively.
Changes:
- Remove subprocess mode: Deleted Supervisor, IPCSource, embed.go
- Remove audio mode selection from UI (Settings → Audio)
- Remove audio mode from backend config (AudioMode field)
- Remove JSON-RPC handlers: getAudioMode/setAudioMode
- Remove Makefile targets: build_audio_output/input/binaries
- Remove standalone C binaries: jetkvm_audio_{input,output}.c
- Remove IPC protocol implementation: ipc_protocol.{c,h}
- Remove unused IPC functions from audio_common.{c,h}
- Simplify audio.go: startAudio() instead of startAudioSubprocesses()
- Update all function calls and comments to remove subprocess references
- Add constants to cgo_source.go (ipcMaxFrameSize, ipcMsgTypeOpus)
- Keep update_opus_encoder_params() for potential future runtime config
Benefits:
- Simpler codebase: -1,734 lines of code
- Better performance: No IPC overhead on embedded hardware
- Easier maintenance: Single audio implementation
- Smaller binary: No embedded audio subprocess binaries
The audio system now works exclusively via CGO direct C function calls,
with ALSA device selection (HDMI vs USB) still configurable via settings.
Consolidate audio frame validation functions into a single optimized implementation and add dynamic OPUS encoder parameter updates based on quality settings. Initialize validation cache at startup for consistent performance.
Add latency profiler for end-to-end audio pipeline monitoring. Update test cases to use unified validation function and initialize cache.
The changes improve performance by reducing function call overhead and enabling runtime optimization of audio encoding parameters based on quality presets.
- Change Info logs to Debug for routine operations
- Standardize log message formatting to lowercase
- Improve error message clarity and consistency
- Add new metrics for device health and memory monitoring
- Simplify config constants documentation
refactor(audio): restructure metrics and supervisor components into base implementations
feat(audio): add validation for all audio configurations and frames
fix(audio): fix atomic alignment in metrics structures
refactor(audio): consolidate common functionality into base manager and supervisor
feat(audio): add output IPC manager and config validation
- remove redundant error logging in audio supervisor stop calls
- add buffer pool for memory optimization in audio relay and ipc
- return default metrics when process is not running
- add channel closed flags to prevent double closing
- standardize component naming and logging
- add comprehensive documentation for audio components
- improve test coverage with new unit tests
Rename audio server/client components to be more specific (AudioOutputServer/Client). Add new validation.go and ipc_common.go files for shared IPC functionality. Improve error handling and cleanup in input/output IPC components.
Disable granular metrics logging to reduce log pollution. Reset metrics on failed start and ensure proper cleanup. Add common IPC message interface and optimized message pool for reuse.
- Implement granular metrics collection for latency and buffer pool operations
- Add detailed error messages with context for all IPC operations
- Enhance logging with additional operational details
- Introduce comprehensive test suite including unit and integration tests
- Add package documentation explaining architecture and components
- Replace hardcoded values with configurable parameters in audio components
- Add new config fields for adaptive buffer sizes and frame pool settings
- Implement memory guard in ZeroCopyFramePool to prevent excessive allocations
Replace hardcoded values with centralized config constants for better maintainability and flexibility. This includes sleep durations, buffer sizes, thresholds, and various audio processing parameters.
The changes affect multiple components including buffer pools, latency monitoring, IPC, and audio processing. This refactoring makes it easier to adjust parameters without modifying individual files.
Key changes:
- Replace hardcoded sleep durations with config values
- Centralize buffer sizes and pool configurations
- Move thresholds and limits to config
- Update audio quality presets to use config values
- Move audio server logic to dedicated package and simplify main.go
- Optimize buffer pool implementation and remove redundant logging
- Improve process monitoring with synchronized metrics updates
- Enhance microphone contention manager with simplified logic
- Replace mutex with atomic operations for metrics tracking
Alex P