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Mohammad AlSaleh

PROFILE

Mohammad Alsaleh

Over three months, this developer contributed to uutils/coreutils and mpv-player/mpv, focusing on performance, precision, and user experience. They optimized numeric sorting in coreutils by pre-parsing lines as floats and reusing computed values, accelerating data-heavy workflows and enhancing benchmarking reproducibility. For mpv, they delivered adaptive image display duration and a lavfi-tempo audio filter, leveraging C and FFmpeg/libavfilter to improve playback consistency and audio flexibility. Addressing timing precision, they upgraded audio and subtitle delay handling from float to double, reducing desynchronization risks in long-running sessions. Their work emphasized maintainable code, clear documentation, and traceable, audit-friendly commits throughout.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

5Total
Bugs
1
Commits
5
Features
3
Lines of code
340
Activity Months3

Work History

July 2026

1 Commits

Jul 1, 2026

July 2026: Delivered a precision-safe delay handling fix for mpv, upgrading audio-delay and sub-delay storage from float to double to prevent precision loss with large timestamps and ensure accurate A/V synchronization across streams. The change reduces desync risk for Unix-time-like segments and long-running sessions, improving stability and user experience. Implemented in the core timing path with clear, maintainable commits and documentation, facilitating future maintenance.

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025 monthly summary for the mpv project, focusing on key feature deliveries, major fixes, overall impact, and demonstrated technical capabilities. Emphasizes business value and concrete deliverables aligned with the repository data.

March 2025

2 Commits • 1 Features

Mar 1, 2025

March 2025: Delivered performance-focused improvements for numeric sorting in uutils/coreutils, expanded benchmarking guidance, and ensured clear traceability to commits. The work enhances speed on large datasets and provides reproducible benchmarks for ongoing optimization.

Activity

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Quality Metrics

Correctness100.0%
Maintainability92.0%
Architecture92.0%
Performance88.0%
AI Usage36.0%

Skills & Technologies

Programming Languages

CMarkdownRust

Technical Skills

Algorithm ImprovementAudio ProcessingBenchmarkingCC programmingDocumentationFFmpeg/libavfilterMedia Player DevelopmentMesonPerformance OptimizationSystem UtilitiesSystems Programmingsoftware engineeringvideo playback development

Repositories Contributed To

2 repos

Overview of all repositories you've contributed to across your timeline

mpv-player/mpv

Sep 2025 Jul 2026
2 Months active

Languages Used

C

Technical Skills

Audio ProcessingCC programmingFFmpeg/libavfilterMesonsoftware engineering

uutils/coreutils

Mar 2025 Mar 2025
1 Month active

Languages Used

MarkdownRust

Technical Skills

Algorithm ImprovementBenchmarkingDocumentationPerformance OptimizationSystem Utilities