CMPlayer

CMPlayer is a multimedia player which does not requre any complex configure or something for Linux and Mac OS X.
Just download it and play what you want to play.

You need Qt>=5.1.1, g++>=4.8 and other multimedia libaries(see install.txt in source tree for detail) if you want to compile it from the source code.

Features

Playback
can play files and DVD
generates playlist automatically
can change playback speed
supports A-B repeat
remembers play history
can replay from stopped point
supports hardware-accelerated decoding

Video
can take snapshots
can adjust aspect ratio
can crop video
can align and move the screen
can adjust color properties(brightness/saturation/contrast/hue)
supports various video filters (flipping/blur/sharpen/...)

Audio
supports multi-track files
supports volume normalization
adjusts pitch automatically when playback speed is changed

Subtitle
supports various subtitle formats (Sami(smi)/SubRip?(srt)/MicroDVD/TMPlayer)
supprots unified subititles of Sami format
supports colored subtitles of Sami format
can adjust line spacing in subtitle
can display several subtitles at the same time
detects the encoding of subtitle files
has subtitle viewer
can seek playback with subtitle time
can display DVD with subtitle files

etc.
supports auto-exit which makes itself closed when the playlist has finished
supports auto-shutdown which makes the system shutdown when the playlist has finished
supports single application
supprots the system tray icon on Linux
pause when minimized and auto-start when recovered
supports 'stays on top'
can disable the screensaver while playing
can customize the shortcut of every menu
can customize mouse action
can customize control steps (volume, seeking, and so on)

CMPlayer also has so many features which are not addressed here. Welcome any suggest and bug report.

CMPlayer is distributed under GNU public license (GPL).