MPlayer has a very rich input command processing subsystem that can be manipulated with the keyboard, mouse, joystick or LIRC remote control. You also can customize several keyboard keys to invoke MPlayer's controls.
The following provides the list of keys that can be configured. The defaults are very sensible, and you may not need to change them:
$ mplayer -input keylist
You also can find MPlayer's controls for seeking, volume control, brightness correction and other things with the following command:
$ mplayer -input cmdlist
The slave.txt file that comes with MPlayer's documentation explains how to customize the input.conf and menu.conf files that come with the MPlayer package in your Linux distribution.
You also can have MPlayer accept input commands from a FIFO file (FIFO stands for First In, First Out). This comes in handy when it is reading the media from the standard input:
$ mkfifo /tmp/fifo $ cat playlist.txt | mplayer -input ↪file:/tmp/fifo -cache 8192 -playlist -
Typing the following mutes and executes it again with the audio unmuted:
$ echo 'mute' > /tmp/fifo
You can use the mouse for the usual seek operations. The mouse wheel is configured by default to seek files in both directions.
Apropos of input methods, MPlayer has excellent support for on-screen display (OSD). I normally use only the superb scalable TTF fonts. These are not available on the MPlayer Web site.
The following command displays a timer:
$ mplayer -osdlevel 3 -font ↪/home/girish/.ttffonts/Comicbd.ttf video.avi
See Figure 2 for a sample of this display.
You can create a custom menu to browse using the keyboard with the OSD facility. It even has a console where you can enter MPlayer slave commands.
As you can see, the scalability of the OSD fonts does not break with the video scale filter.
Here is how to create this kind of configuration. First, set up most everything in the config file. Here is my ~/.mplayer/config file:
# Write your default config options here! # Use Matrox driver by default. vo=sdl font=/home/girish/.ttffonts/comicbd.ttf vf=hue,eq,screenshot #menu-startup=yes menu=yes subfont-autoscale=3 subfont-osd-scale=8 subfont-text-scale=8 subpos=50 spuaa=4 osdlevel=3 # I love doing headstand (Sirsasana) while watching videos. #flip=yes # Decode/encode multiple files from PNG, # start with mf://filemask mf=type=png:fps=25 # Eerie negative images are cool. #vf=eq2=1.0:-0.8
The input configuration and menu configuration are stored separately in input.conf and menu.conf, respectively. The menu.conf file needs to have a section that looks something like this:
<cmdlist name="main" title="MPlayer OSD menu" ptr="<>" > <e name="Pause" ok="pause"/> <e name="Prev/Next" ok="pt_step 1" cancel="pt_step -1"/> <e name="Jump to ..." ok="set_menu jump_to"/> <e name="Open ..." ok="set_menu open_file"/> <e name="Open playlist ..." ok="set_menu open_list"/> <e name="Help" ok="set_menu man"/> <e name="Pref" ok="set_menu pref_main"/> <e name="Properties" ok="set_menu properties"/> <e name="Console" ok="set_menu console0"/> <e name="Quit" ok="quit"/> </cmdlist>
You need this line in input.conf in order to tell MPlayer what event invokes the menu. The setting here invokes the menu if you click the left-mouse button:
MOUSE_BTN0 menu main
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