mpv-player/mpv
Jul 2024 – Jan 2026
13 Months active
Languages Used
CSwiftMarkdownObjective-CRSTrstLuaMeson
Technical Skills
C programmingsoftware developmentvideo processingC ProgrammingCoreAudioDeprecation Handling
der richter
PROFILE
Der Richter
Over thirteen months, der.richter contributed to the mpv-player/mpv repository by engineering features and fixes that advanced macOS video playback, UI responsiveness, and build reliability. He delivered enhancements such as adaptive gamma control, transparent rendering, and robust dialog systems, using C, Swift, and Metal to address platform-specific challenges. His technical approach emphasized cross-version compatibility, event-driven UI improvements, and streamlined build automation, often coordinating with Homebrew and libplacebo. By refactoring legacy code, modernizing build systems, and improving system integration, der.richter ensured stable, maintainable workflows and reduced user friction, demonstrating depth in cross-platform development and low-level graphics programming throughout his work.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
84Total
Bugs
7
Commits
84
Features
32
Lines of code
1,544
Activity Months13
Your Network
84 peopleShared Repositories
84
Work History
January 2026
2 Commits • 2 Features
Jan 1, 2026For 2026-01, mpv contributed two major features in the mpv repo reflecting a focus on user experience and build reliability. 1) MacOS Transparent Rendering: added support by tweaking the Metal layer and window backgrounds to permit transparency when the alpha value is set; this feature depends on libplacebo master. 2) FFmpeg-Full Build Support: updated the macOS build to install ffmpeg-full instead of the standard ffmpeg to preserve essential media functionalities in light of upstream changes. No major bugs fixed this month. Overall impact: enhanced macOS visuals and reliability of media capabilities, with more robust and predictable builds. Technologies/skills demonstrated: Metal-based rendering adjustments, libplacebo integration, CI/build automation, and Homebrew packaging.
2 Commits • 2 Features
Jan 1, 2026For 2026-01, mpv contributed two major features in the mpv repo reflecting a focus on user experience and build reliability. 1) MacOS Transparent Rendering: added support by tweaking the Metal layer and window backgrounds to permit transparency when the alpha value is set; this feature depends on libplacebo master. 2) FFmpeg-Full Build Support: updated the macOS build to install ffmpeg-full instead of the standard ffmpeg to preserve essential media functionalities in light of upstream changes. No major bugs fixed this month. Overall impact: enhanced macOS visuals and reliability of media capabilities, with more robust and predictable builds. Technologies/skills demonstrated: Metal-based rendering adjustments, libplacebo integration, CI/build automation, and Homebrew packaging.
January 2026
December 2025
12 Commits • 7 Features
Dec 1, 2025In Dec 2025, the mpv project advanced macOS maturity, rendering reliability, UI responsiveness, and bug-reporting UX, delivering platform-specific optimizations, performance improvements, and dynamic theming support while maintaining compatibility with legacy CLI usage. These changes reduce user friction, improve stability on Apple platforms, and enable faster bug triage and developer iteration.
December 2025
12 Commits • 7 Features
Dec 1, 2025In Dec 2025, the mpv project advanced macOS maturity, rendering reliability, UI responsiveness, and bug-reporting UX, delivering platform-specific optimizations, performance improvements, and dynamic theming support while maintaining compatibility with legacy CLI usage. These changes reduce user friction, improve stability on Apple platforms, and enable faster bug triage and developer iteration.
November 2025
13 Commits • 4 Features
Nov 1, 2025November 2025 monthly summary for mpv development focusing on macOS-specific improvements, CI reliability, observability, and build feature visibility. Delivered strategic enhancements across the macOS stack to improve user experience, compatibility, and developer efficiency.
13 Commits • 4 Features
Nov 1, 2025November 2025 monthly summary for mpv development focusing on macOS-specific improvements, CI reliability, observability, and build feature visibility. Delivered strategic enhancements across the macOS stack to improve user experience, compatibility, and developer efficiency.
November 2025
October 2025
1 Commits
Oct 1, 2025Month: 2025-10 — Summary of work: Focused on stabilizing multi-monitor window handling in mpv. Delivered a regression fix to compute absolute window position correctly when forced, preventing windows from appearing at incorrect coordinates on multi-monitor setups. The change, implemented in the mac/common path, aligns with historical fixes introduced for --force-window-position and addresses internal issue #16929. By tightening screen geometry calculations, this work enhances reliability across display configurations and reduces user-reported issues.
October 2025
1 Commits
Oct 1, 2025Month: 2025-10 — Summary of work: Focused on stabilizing multi-monitor window handling in mpv. Delivered a regression fix to compute absolute window position correctly when forced, preventing windows from appearing at incorrect coordinates on multi-monitor setups. The change, implemented in the mac/common path, aligns with historical fixes introduced for --force-window-position and addresses internal issue #16929. By tightening screen geometry calculations, this work enhances reliability across display configurations and reduces user-reported issues.
September 2025
10 Commits • 1 Features
Sep 1, 2025September 2025 (2025-09) monthly summary for the mpv repository. Delivered cross-version macOS CI and build-system improvements, extended compatibility with older Swift toolchains, and hardened color component calculations. The changes broaden CI coverage, enable headless builds where Cocoa is unavailable, and improve reliability of end-user builds. Overall, these efforts reduce merge friction, accelerate release cycles, and lower maintenance costs by stabilizing workflows across macOS variants and older toolchains.
10 Commits • 1 Features
Sep 1, 2025September 2025 (2025-09) monthly summary for the mpv repository. Delivered cross-version macOS CI and build-system improvements, extended compatibility with older Swift toolchains, and hardened color component calculations. The changes broaden CI coverage, enable headless builds where Cocoa is unavailable, and improve reliability of end-user builds. Overall, these efforts reduce merge friction, accelerate release cycles, and lower maintenance costs by stabilizing workflows across macOS variants and older toolchains.
September 2025
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for the mpv project (repo: mpv-player/mpv). Focused on macOS rendering reliability and UI responsiveness. Delivered three targeted changes that improve playback experience and stability for macOS users, with clear traceability to commits and repository ownership: - Introduced a force-render option for macOS video output, granting explicit rendering control and extending support to macvk VO. - Fixed an initial black frame on video window by ensuring the first frame renders on initialization when possible and respecting occlusion state. - Ensured isMoving state resets when a window snaps on macOS by adding a left-mouse-up local monitor, preserving UI responsiveness. Business value: reduces user-visible rendering issues, shortens time to first frame, and improves window management reliability on macOS; aligns with goals for platform parity and user satisfaction. Technical scope includes macOS-specific rendering paths, frame readiness, event monitoring, and cross-module coordination within mpv. Commits linked for traceability are included below.
August 2025
3 Commits • 1 Features
Aug 1, 2025August 2025 monthly summary for the mpv project (repo: mpv-player/mpv). Focused on macOS rendering reliability and UI responsiveness. Delivered three targeted changes that improve playback experience and stability for macOS users, with clear traceability to commits and repository ownership: - Introduced a force-render option for macOS video output, granting explicit rendering control and extending support to macvk VO. - Fixed an initial black frame on video window by ensuring the first frame renders on initialization when possible and respecting occlusion state. - Ensured isMoving state resets when a window snaps on macOS by adding a left-mouse-up local monitor, preserving UI responsiveness. Business value: reduces user-visible rendering issues, shortens time to first frame, and improves window management reliability on macOS; aligns with goals for platform parity and user satisfaction. Technical scope includes macOS-specific rendering paths, frame readiness, event monitoring, and cross-module coordination within mpv. Commits linked for traceability are included below.
March 2025
1 Commits • 1 Features
Mar 1, 2025Monthly summary for 2025-03: Focused on improving cross-Homebrew Vulkan loader discovery in mpv for macOS to enhance installation reliability and runtime compatibility. Implemented an enhancement to detect the Vulkan loader when Homebrew installs it under /etc in addition to the existing share path, expanding configuration compatibility and reducing user setup friction.
1 Commits • 1 Features
Mar 1, 2025Monthly summary for 2025-03: Focused on improving cross-Homebrew Vulkan loader discovery in mpv for macOS to enhance installation reliability and runtime compatibility. Implemented an enhancement to detect the Vulkan loader when Homebrew installs it under /etc in addition to the existing share path, expanding configuration compatibility and reducing user setup friction.
March 2025
February 2025
11 Commits • 5 Features
Feb 1, 2025February 2025 (mpv) focused on stabilizing macOS UX, improving dialog UX, and tightening code organization to enable faster feature delivery and easier maintenance. Key work delivered in mpv (MacOS) included a major Dialog System Refactor with broader file/URL handling, a new MacOS Bridge Root Configuration path, and centralized URL validation, alongside visibility improvements for Vulkan rendering and targeted code cleanup. Business value: more reliable macOS dialogs, streamlined startup/configuration flows, and consistent validation reduce user errors and support overhead. These changes also position the project for safer, faster adoption of further macOS features.
February 2025
11 Commits • 5 Features
Feb 1, 2025February 2025 (mpv) focused on stabilizing macOS UX, improving dialog UX, and tightening code organization to enable faster feature delivery and easier maintenance. Key work delivered in mpv (MacOS) included a major Dialog System Refactor with broader file/URL handling, a new MacOS Bridge Root Configuration path, and centralized URL validation, alongside visibility improvements for Vulkan rendering and targeted code cleanup. Business value: more reliable macOS dialogs, streamlined startup/configuration flows, and consistent validation reduce user errors and support overhead. These changes also position the project for safer, faster adoption of further macOS features.
January 2025
4 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for mpv-player/mpv. Focused on delivering macOS-related stability and performance improvements aligned with Swift 6 concurrency best practices, and on simplifying activation handling via modern Swift constructs. Highlights include key feature delivery, critical bug fixes, and clear demonstration of relevant technologies that drive business value and long-term maintainability.
4 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for mpv-player/mpv. Focused on delivering macOS-related stability and performance improvements aligned with Swift 6 concurrency best practices, and on simplifying activation handling via modern Swift constructs. Highlights include key feature delivery, critical bug fixes, and clear demonstration of relevant technologies that drive business value and long-term maintainability.
January 2025
December 2024
17 Commits • 5 Features
Dec 1, 2024December 2024: Delivered a set of macOS-focused MPV enhancements that improve user experience, reliability, and maintainability. Key features include Ambient Light Adaptive Gamma with a replacement gamma-auto script, native macOS clipboard integration, Mac UI/build modernization with dynamic Swift flag handling, a Quick Look-based media cover fallback, and updated Audiounit documentation. Also implemented API cleanups and build refinements to reduce tech debt and align with native backends.
December 2024
17 Commits • 5 Features
Dec 1, 2024December 2024: Delivered a set of macOS-focused MPV enhancements that improve user experience, reliability, and maintainability. Key features include Ambient Light Adaptive Gamma with a replacement gamma-auto script, native macOS clipboard integration, Mac UI/build modernization with dynamic Swift flag handling, a Quick Look-based media cover fallback, and updated Audiounit documentation. Also implemented API cleanups and build refinements to reduce tech debt and align with native backends.
November 2024
5 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for the mpv project focused on stabilizing macOS support, improving UX, and enhancing contributor productivity. Delivered targeted macOS build/deploy hardening, native window dragging, and documentation/guidelines updates to clarify gamma-auto behavior and promote Swift for Apple-platform code. These efforts reduced platform fragmentation, improved user experience on macOS, and streamlined Apple-platform contributions.
5 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for the mpv project focused on stabilizing macOS support, improving UX, and enhancing contributor productivity. Delivered targeted macOS build/deploy hardening, native window dragging, and documentation/guidelines updates to clarify gamma-auto behavior and promote Swift for Apple-platform code. These efforts reduced platform fragmentation, improved user experience on macOS, and streamlined Apple-platform contributions.
November 2024
October 2024
4 Commits • 2 Features
Oct 1, 2024October 2024 (mpv-player/mpv) focused on macOS platform stability and code quality. Delivered macOS deprecation compatibility updates across ambient light sensor I/O Kit usage, CoreAudio properties, and the OpenGL path, reducing deprecation warnings and preserving cross-version support. Improved maintainability by making the macOS TypeHelper keyPtr immutable, reinforcing correct usage and future-proofing against regressions. These changes collectively reduced build noise, stabilized user experience on macOS, and position the project for easier future updates.
October 2024
4 Commits • 2 Features
Oct 1, 2024October 2024 (mpv-player/mpv) focused on macOS platform stability and code quality. Delivered macOS deprecation compatibility updates across ambient light sensor I/O Kit usage, CoreAudio properties, and the OpenGL path, reducing deprecation warnings and preserving cross-version support. Improved maintainability by making the macOS TypeHelper keyPtr immutable, reinforcing correct usage and future-proofing against regressions. These changes collectively reduced build noise, stabilized user experience on macOS, and position the project for easier future updates.
July 2024
1 Commits • 1 Features
Jul 1, 2024July 2024 monthly summary focusing on mpv repository deliverables. This month centered on restoring user-facing gamma control to enhance video output customization. Key feature delivered: Video Gamma Factor Control, reinstating the --gamma-factor option for direct gamma adjustments. Implemented changes in the vo_gpu path to undeprecate gamma-factor, preserving existing workflows and scripting capabilities. No major bugs fixed this month, with emphasis on feature delivery, code quality, and backward compatibility. Overall impact includes improved user configurability, better alignment with user expectations for video tuning, and solidification of the gamma control path across the video pipeline. Technologies/skills demonstrated include C/C++ in the vo_gpu subsystem, GPU-accelerated video processing, version control discipline, and maintainability practices.
1 Commits • 1 Features
Jul 1, 2024July 2024 monthly summary focusing on mpv repository deliverables. This month centered on restoring user-facing gamma control to enhance video output customization. Key feature delivered: Video Gamma Factor Control, reinstating the --gamma-factor option for direct gamma adjustments. Implemented changes in the vo_gpu path to undeprecate gamma-factor, preserving existing workflows and scripting capabilities. No major bugs fixed this month, with emphasis on feature delivery, code quality, and backward compatibility. Overall impact includes improved user configurability, better alignment with user expectations for video tuning, and solidification of the gamma control path across the video pipeline. Technologies/skills demonstrated include C/C++ in the vo_gpu subsystem, GPU-accelerated video processing, version control discipline, and maintainability practices.
July 2024
Activity
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Quality Metrics
Correctness94.6%
Maintainability92.2%
Architecture91.2%
Performance89.0%
AI Usage28.8%
Skills & Technologies
Programming Languages
CLuaMarkdownMesonObjective-CPythonRSTShellSwiftXML
Technical Skills
cross-platform development scriptingAPI DesignApp developmentBug FixingBuild AutomationBuild SystemBuild System ConfigurationBuild SystemsCC DevelopmentC PointersC ProgrammingC programmingC/Objective-C Interoperability
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline