LizardByte/Sunshine
Apr 2025 – Jan 2026
5 Months active
Languages Used
C++HTMLVuebash
Technical Skills
Audio driver interactionLow-level programmingWindows Audio APIC++ DevelopmentNetwork ProtocolsReal-time Communication
Andy Grundman
PROFILE
Andy Grundman
Andy contributed to the LizardByte/Sunshine project by developing and refining features focused on real-time audio and video streaming reliability across platforms. He implemented minimum FPS targeting and fractional frame rate support, enhancing video playback accuracy and stability. Addressing cross-device compatibility, Andy resolved audio bit-depth mismatches for Steam streaming using C++ and Windows Audio API, ensuring glitch-free output. He improved macOS input handling and build automation with bash scripting, aligning processes with Linux workflows. His work emphasized configuration-driven design, explicit type safety, and maintainable code, demonstrating depth in low-level programming, system integration, and performance optimization throughout the multimedia pipeline.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
8Total
Bugs
2
Commits
8
Features
5
Lines of code
772
Activity Months5
Work History
January 2026
4 Commits • 3 Features
Jan 1, 2026January 2026 (2026-01) performance-focused update for LizardByte/Sunshine. Delivered macOS input improvements, cross-platform build/read/debug enhancements, and proactive code quality improvements. The work enhances user interaction on macOS, aligns build processes with Linux, and increases code safety and maintainability, setting a foundation for further performance optimization and reliability across platforms.
4 Commits • 3 Features
Jan 1, 2026January 2026 (2026-01) performance-focused update for LizardByte/Sunshine. Delivered macOS input improvements, cross-platform build/read/debug enhancements, and proactive code quality improvements. The work enhances user interaction on macOS, aligns build processes with Linux, and increases code safety and maintainability, setting a foundation for further performance optimization and reliability across platforms.
January 2026
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Focused on improving video playback fidelity by introducing fractional frame rate support in Sunshine. Implemented a configurable option to request fractional NTSC frame rates (59.94 Hz) and wired it through to the encoding parameters, enabling more accurate playback for NTSC content. All changes are tracked in the LizardByte/Sunshine repository with a dedicated commit that documents the feature and rationale.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Focused on improving video playback fidelity by introducing fractional frame rate support in Sunshine. Implemented a configurable option to request fractional NTSC frame rates (59.94 Hz) and wired it through to the encoding parameters, enabling more accurate playback for NTSC content. All changes are tracked in the LizardByte/Sunshine repository with a dedicated commit that documents the feature and rationale.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025: Implemented a robust Minimum FPS Target feature for video streaming in LizardByte/Sunshine, with full configuration, docs, and processing logic updates. Restored the ability to set a minimum FPS (regression fix) to ensure predictable streaming quality. Documentation and configuration files were synchronized to reflect the feature, simplifying operator setup and QA verification. Overall impact includes improved streaming reliability on static content, reduced frame drops, and a clearer path to performance tuning. Technologies demonstrated include configuration-driven design, video processing workflow changes, and cross-functional documentation efforts, highlighting business value through improved user experience and maintainability.
1 Commits • 1 Features
Jul 1, 2025July 2025: Implemented a robust Minimum FPS Target feature for video streaming in LizardByte/Sunshine, with full configuration, docs, and processing logic updates. Restored the ability to set a minimum FPS (regression fix) to ensure predictable streaming quality. Documentation and configuration files were synchronized to reflect the feature, simplifying operator setup and QA verification. Overall impact includes improved streaming reliability on static content, reduced frame drops, and a clearer path to performance tuning. Technologies demonstrated include configuration-driven design, video processing workflow changes, and cross-functional documentation efforts, highlighting business value through improved user experience and maintainability.
July 2025
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for LizardByte/Sunshine: Focused on stabilizing real-time video streaming by addressing RTP timestamp synchronization. Delivered a precise fix to ensure per-frame RTP timestamps are consistent by replacing now() with frame_timestamp, significantly improving video playback reliability and reducing desynchronization risk in live streams.
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for LizardByte/Sunshine: Focused on stabilizing real-time video streaming by addressing RTP timestamp synchronization. Delivered a precise fix to ensure per-frame RTP timestamps are consistent by replacing now() with frame_timestamp, significantly improving video playback reliability and reducing desynchronization risk in live streams.
April 2025
1 Commits
Apr 1, 2025April 2025 performance summary for LizardByte/Sunshine: Focused on stabilizing audio output for Steam streaming by ensuring the virtual speaker bit-depth aligns with the system's default audio device, delivering a smoother, glitch-free experience across devices.
1 Commits
Apr 1, 2025April 2025 performance summary for LizardByte/Sunshine: Focused on stabilizing audio output for Steam streaming by ensuring the virtual speaker bit-depth aligns with the system's default audio device, delivering a smoother, glitch-free experience across devices.
April 2025
Activity
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Quality Metrics
Correctness92.6%
Maintainability87.6%
Architecture87.6%
Performance86.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++HTMLVuebash
Technical Skills
Audio driver interactionC++C++ DevelopmentC++ developmentC++ programmingConfiguration ManagementLow-level ProgrammingLow-level programmingNetwork ProtocolsReal-time CommunicationSystem IntegrationVideo EncodingVideo StreamingVue.jsWeb Development
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