mpv/DOCS/man/osc.rst

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ON SCREEN CONTROLLER
====================
The On Screen Controller (short: OSC) is a minimal GUI integrated with mpv to
offer basic mouse-controllability. It is intended to make interaction easier
for new users and to enable precise and direct seeking.
The OSC is enabled by default if mpv was compiled with Lua support. It can be
disabled entirely using the ``--osc=no`` option.
Using the OSC
-------------
By default, the OSC will show up whenever the mouse is moved inside the
player window and will hide if the mouse is not moved outside the OSC for
0.5 seconds or if the mouse leaves the window.
The Interface
~~~~~~~~~~~~~
::
+---------+----------+------------------------------------------+----------+
| pl prev | pl next | title | cache |
+------+--+---+------+---------+-----------+------+-------+-----+-----+----+
| play | skip | skip | time | seekbar | time | audio | sub | vol | fs |
| | back | frwd | elapsed | | left | | | | |
+------+------+------+---------+-----------+------+-------+-----+-----+----+
pl prev
============= ================================================
left-click play previous file in playlist
right-click show playlist
shift+L-click show playlist
============= ================================================
pl next
============= ================================================
left-click play next file in playlist
right-click show playlist
shift+L-click show playlist
============= ================================================
title
| Displays current media-title, filename, or custom title
============= ================================================
left-click show playlist position and length and full title
right-click show filename
============= ================================================
cache
| Shows current cache fill status
play
============= ================================================
left-click toggle play/pause
============= ================================================
skip back
============= ================================================
left-click go to beginning of chapter / previous chapter
right-click show chapters
shift+L-click show chapters
============= ================================================
skip frwd
============= ================================================
left-click go to next chapter
right-click show chapters
shift+L-click show chapters
============= ================================================
time elapsed
| Shows current playback position timestamp
============= ================================================
left-click toggle displaying timecodes with milliseconds
============= ================================================
seekbar
| Indicates current playback position and position of chapters
============= ================================================
left-click seek to position
============= ================================================
time left
| Shows remaining playback time timestamp
============= ================================================
left-click toggle between total and remaining time
============= ================================================
audio and sub
| Displays selected track and amount of available tracks
============= ================================================
left-click cycle audio/sub tracks forward
right-click cycle audio/sub tracks backwards
shift+L-click show available audio/sub tracks
============= ================================================
vol
============= ================================================
left-click toggle mute
mouse wheel volume up/down
============= ================================================
fs
============= ================================================
left-click toggle fullscreen
============= ================================================
Key Bindings
~~~~~~~~~~~~
These key bindings are active by default if nothing else is already bound to
these keys. In case of collision, the function needs to be bound to a
different key. See the `Script Commands`_ section.
============= ================================================
del Cycles visibility between never / auto (mouse-move) / always
============= ================================================
Configuration
-------------
The OSC offers limited configuration through a config file
``script-opts/osc.conf`` placed in mpv's user dir and through the
``--script-opts`` command-line option. Options provided through the command-line
will override those from the config file.
Config Syntax
~~~~~~~~~~~~~
The config file must exactly follow the following syntax::
# this is a comment
optionA=value1
optionB=value2
``#`` can only be used at the beginning of a line and there may be no
spaces around the ``=`` or anywhere else.
Command-line Syntax
~~~~~~~~~~~~~~~~~~~
To avoid collisions with other scripts, all options need to be prefixed with
``osc-``.
Example::
--script-opts=osc-optionA=value1,osc-optionB=value2
Configurable Options
~~~~~~~~~~~~~~~~~~~~
``layout``
Default: bottombar
The layout for the OSC. Currently available are: box, slimbox,
bottombar and topbar. Default pre-0.21.0 was 'box'.
``seekbarstyle``
Default: bar
Sets the style of the playback position marker and overall shape
of the seekbar: ``bar``, ``diamond`` or ``knob``.
``seekbarhandlesize``
Default: 0.6
Size ratio of the seek handle if ``seekbarstyle`` is set to ``dimaond``
or ``knob``. This is relative to the full height of the seekbar.
``seekbarkeyframes``
Default: yes
Controls the mode used to seek when dragging the seekbar (default: true). If
set to true, default seeking mode is used (usually keyframes, but player
defaults and heuristics can change it to exact). If set to false, exact
seeking on mouse drags will be used instead. Keyframes are preferred, but
exact seeks may be useful in cases where keyframes cannot be found. Note
that using exact seeks can potentially make mouse dragging much slower.
``seekrangestyle``
Default: inverted
Display seekable ranges on the seekbar. ``bar`` shows them on the full
height of the bar, ``line`` as a thick line and ``inverted`` as a thin
line that is inverted over playback position markers. ``none`` will hide
them. Additionally, ``slider`` will show a permanent handle inside the seekbar
with cached ranges marked inside. Note that these will look differently
based on the seekbarstyle option. Also, ``slider`` does not work with
``seekbarstyle`` set to ``bar``.
``seekrangeseparate``
Default: yes
Controls whether to show line-style seekable ranges on top of the
seekbar or separately if ``seekbarstyle`` is set to ``bar``.
``seekrangealpha``
Default: 200
Alpha of the seekable ranges, 0 (opaque) to 255 (fully transparent).
``deadzonesize``
Default: 0.5
Size of the deadzone. The deadzone is an area that makes the mouse act
like leaving the window. Movement there won't make the OSC show up and
it will hide immediately if the mouse enters it. The deadzone starts
at the window border opposite to the OSC and the size controls how much
of the window it will span. Values between 0.0 and 1.0, where 0 means the
OSC will always popup with mouse movement in the window, and 1 means the
OSC will only show up when the mouse hovers it. Default pre-0.21.0 was 0.
``minmousemove``
Default: 0
Minimum amount of pixels the mouse has to move between ticks to make
the OSC show up. Default pre-0.21.0 was 3.
``showwindowed``
Default: yes
Enable the OSC when windowed
``showfullscreen``
Default: yes
Enable the OSC when fullscreen
``scalewindowed``
Default: 1.0
Scale factor of the OSC when windowed.
``scalefullscreen``
Default: 1.0
Scale factor of the OSC when fullscreen
``scaleforcedwindow``
Default: 2.0
Scale factor of the OSC when rendered on a forced (dummy) window
``vidscale``
Default: yes
Scale the OSC with the video
``no`` tries to keep the OSC size constant as much as the window size allows
``valign``
Default: 0.8
Vertical alignment, -1 (top) to 1 (bottom)
``halign``
Default: 0.0
Horizontal alignment, -1 (left) to 1 (right)
``barmargin``
Default: 0
Margin from bottom (bottombar) or top (topbar), in pixels
``boxalpha``
Default: 80
Alpha of the background box, 0 (opaque) to 255 (fully transparent)
``hidetimeout``
Default: 500
Duration in ms until the OSC hides if no mouse movement, must not be
negative
``fadeduration``
Default: 200
Duration of fade out in ms, 0 = no fade
``title``
Default: ${media-title}
String that supports property expansion that will be displayed as
OSC title.
ASS tags are escaped, and newlines and trailing slashes are stripped.
``tooltipborder``
Default: 1
Size of the tooltip outline when using bottombar or topbar layouts
``timetotal``
Default: no
Show total time instead of time remaining
``timems``
Default: no
Display timecodes with milliseconds
``visibility``
Default: auto (auto hide/show on mouse move)
Also supports ``never`` and ``always``
``boxmaxchars``
Default: 80
Max chars for the osc title at the box layout. mpv does not measure the
text width on screen and so it needs to limit it by number of chars. The
default is conservative to allow wide fonts to be used without overflow.
However, with many common fonts a bigger number can be used. YMMV.
``boxvideo``
Default: no
Whether to overlay the osc over the video (``no``), or to box the video
within the areas not covered by the osc (``yes``). If this option is set,
the osc may overwrite the ``--video-margin-ratio-*`` options, even if the
user has set them. (It will not overwrite them if all of them are set to
default values.)
Currently, this is supported for the ``bottombar`` and ``topbar`` layout
only. The other layouts do not change if this option is set. Separately,
if window controls are present (see below), they will be affected
regardless of which osc layout is in use.
The border is static and appears even if the OSC is configured to appear
only on mouse interaction. If the OSC is invisible, the border is simply
filled with the background color (black by default).
This currently still makes the OSC overlap with subtitles (if the
``--sub-use-margins`` option is set to ``yes``, the default). This may be
fixed later.
This does not work correctly with video outputs like ``--vo=xv``, which
render OSD into the unscaled video.
``windowcontrols``
Default: auto (Show window controls if there is no window border)
Whether to show window management controls over the video, and if so,
which side of the window to place them. This may be desirable when the
window has no decorations, either because they have been explicitly
disabled (``border=no``) or because the current platform doesn't support
them (eg: gnome-shell with wayland).
The set of window controls is fixed, offering ``minimize``, ``maximize``,
and ``quit``. Not all platforms implement ``minimize`` and ``maximize``,
but ``quit`` will always work.
``windowcontrols_alignment``
Default: right
If window controls are shown, indicates which side should they be aligned
to.
Supports ``left`` and ``right`` which will place the controls on those
respective sides.
``greenandgrumpy``
Default: no
Set to ``yes`` to reduce festivity (i.e. disable santa hat in December.)
Script Commands
~~~~~~~~~~~~~~~
The OSC script listens to certain script commands. These commands can bound
in ``input.conf``, or sent by other scripts.
``osc-message``
Show a message on screen using the OSC. First argument is the message,
second the duration in seconds.
``osc-visibility``
Controls visibility mode ``never`` / ``auto`` (on mouse move) / ``always``
and also ``cycle`` to cycle between the modes
Example
You could put this into ``input.conf`` to hide the OSC with the ``a`` key and
to set auto mode (the default) with ``b``::
a script-message osc-visibility never
b script-message osc-visibility auto
``osc-playlist``, ``osc-chapterlist``, ``osc-tracklist``
Shows a limited view of the respective type of list using the OSC. First
argument is duration in seconds.