MPlayer
free and open source media player

MPlayer is a free and open-source media player software application. It is available for Linux, OS X and Windows. Versions for legacy systems such as OS/2 and AmigaOS were previously available, but are no longer actively maintained. A port for MS-DOS using DJGPP is also available. Versions for the Wii Homebrew Channel and Kindle have also been developed.
History
Development of MPlayer began in 2000. The original author, Hungarian Árpád Gereöffy, started the project because he was unable to find any satisfactory video players for Linux after XAnim stopped development in 1999. The first version was titled mpg12play v0.1 and was initially prototyped using libmpeg3 from Cinelerra-HV. After mpg12play v0.95pre5, the code was merged with an AVI player based on avifile's Win32 DLL loader to form MPlayer v0.3 in November 2000.
Gereöffy was soon joined by many other programmers, in the beginning mostly from Hungary, but later worldwide.
Alex Beregszászi has maintained MPlayer since 2003 when Gereöffy left MPlayer development to begin work on a second generation MPlayer.
Begin with the source’s own compact description: “MPlayer” is free and open source media player. The dossier treats that line as a proposition to test through MPlayer, free and source, not as a finished interpretation.
Why this record matters
The phrase “free and open source media player” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Jul 7, 2026. The linked authority identifier is Q131344. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2000, 1999 and 2003.
A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “MPlayer”, its source revision and the description used here.
- Expand the search: follow MPlayer primary sources, MPlayer archive and MPlayer research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “MPlayer”?
- How has the subject’s reputation changed across later accounts?
- Which primary records establish identity, chronology and institutional ties?
Search terms from this dossier
This entry incorporates text from “MPlayer” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.