
Worked on the mpv-player/mpv repository to enhance audio playback reliability on Windows by addressing issues related to WASAPI device invalidation after system sleep or endpoint changes. Focused on C programming and audio system programming, the developer implemented a robust retry mechanism that transitions the retry budget from microseconds to milliseconds, starting at 1 ms and backing off up to 1.1 seconds. Logging was updated to accurately reflect retry timing in milliseconds, improving diagnostics. These changes reduced playback interruptions and the need for manual restarts, resulting in a more resilient audio experience and fewer support requests related to post-wake failures.
May 2026 monthly summary for mpv-player/mpv: Focused on improving Windows WASAPI audio reliability. Implemented a robust retry path for DEVICE_INVALIDATED to handle post-sleep and endpoint changes, and aligned logging to reflect real wait times. These changes reduce playback interruptions and manual restarts by ensuring the audio thread recovers promptly after wake events. Key updates include revising the retry budget from microseconds to milliseconds, starting at 1 ms and applying a 10x backoff up to 1 s (approximately 1.1 s total), and updating logs to report time units in milliseconds using MP_TIME_NS_TO_MS for accuracy. This work is captured in commit 986dd6387d64e98f9cafa9124cc5a16d4b018f7c. Overall impact: improved user experience with more reliable audio on wake and endpoint changes, clearer diagnostics, and reduced support calls related to post-wake audio failures. Technologies/skills demonstrated: Windows WASAPI, time unit handling (ns to ms conversions), robust retry/backoff design, C/C++ debugging and logging, reliability engineering.
May 2026 monthly summary for mpv-player/mpv: Focused on improving Windows WASAPI audio reliability. Implemented a robust retry path for DEVICE_INVALIDATED to handle post-sleep and endpoint changes, and aligned logging to reflect real wait times. These changes reduce playback interruptions and manual restarts by ensuring the audio thread recovers promptly after wake events. Key updates include revising the retry budget from microseconds to milliseconds, starting at 1 ms and applying a 10x backoff up to 1 s (approximately 1.1 s total), and updating logs to report time units in milliseconds using MP_TIME_NS_TO_MS for accuracy. This work is captured in commit 986dd6387d64e98f9cafa9124cc5a16d4b018f7c. Overall impact: improved user experience with more reliable audio on wake and endpoint changes, clearer diagnostics, and reduced support calls related to post-wake audio failures. Technologies/skills demonstrated: Windows WASAPI, time unit handling (ns to ms conversions), robust retry/backoff design, C/C++ debugging and logging, reliability engineering.

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