<chapter id="settings">
<title>Configuration dialog</title>

<sect1 id="settings-overview">
<title>Overview</title>

<para>The <guilabel>&kplayer; Settings</guilabel> dialog allows you to control
most aspects of &kplayer;'s behavior, as well as choose options that are passed
to &mplayer; and control quality and performance of media playback.</para>

<para>Select <menuchoice><guimenu>Settings</guimenu><guimenuitem>Configure
&kplayer;...</guimenuitem></menuchoice> to open the dialog box.</para>

<para>The dialog contains several sections which are selected by
<mousebutton>left</mousebutton> clicking one of the items on the left side of
the dialog box.</para>

<variablelist>

<varlistentry>
<term><link linkend="settings-general">General</link> section</term>
<listitem><para>Contains options that affect general &kplayer;
behavior.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-controls">Controls</link> section</term>
<listitem><para>Contains advanced options that control how your choices made
using various &kplayer; controls are applied and stored.</para>

<variablelist>

<varlistentry>
<term><link linkend="settings-progress">Progress</link> section</term>
<listitem><para>Contains options that affect the progress slider control
and the seeking function.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-volume">Volume</link> section</term>
<listitem><para>Contains options that affect the volume slider
control.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-contrast">Contrast</link> section</term>
<listitem><para>Contains options that affect the contrast slider
control.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-brightness">Brightness</link> section</term>
<listitem><para>Contains options that affect the brightness slider
control.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-hue">Hue</link> section</term>
<listitem><para>Contains options that affect the hue slider
control.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-saturation">Saturation</link> section</term>
<listitem><para>Contains options that affect the saturation slider
control.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-sliders">Sliders</link> section</term>
<listitem><para>Contains miscellaneous options that affect all slider
controls in &kplayer;.</para></listitem>
</varlistentry>

</variablelist>
</listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-video">Video</link> section</term>
<listitem><para>Contains options that control video output.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-audio">Audio</link> section</term>
<listitem><para>Contains options that control audio output.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-subtitles">Subtitles</link> section</term>
<listitem><para>Contains options that control subtitle display.</para></listitem>
</varlistentry>

<varlistentry>
<term><link linkend="settings-advanced">Advanced</link> section</term>
<listitem><para>Contains various options that affect advanced command line
parameters passed to &mplayer;, as well as interaction with &kde; I/O
Slaves.</para></listitem>
</varlistentry>

</variablelist>

<para>The buttons at the bottom of the dialog let you make choices about the
contents of all sections of the dialog.</para>

<variablelist>

<varlistentry>
<term><guibutton>Help</guibutton> button</term>
<listitem><para>Opens this user manual and displays the section that describes
the currently selected section of the dialog.</para></listitem>
</varlistentry>

<varlistentry>
<term><guibutton>Defaults</guibutton> button</term>
<listitem><para>Restores all settings to their original, predefined values and
applies them.</para></listitem>
</varlistentry>

<varlistentry>
<term><guibutton>OK</guibutton> button</term>
<listitem><para>Accepts your changes and closes the dialog.</para></listitem>
</varlistentry>

<varlistentry>
<term><guibutton>Apply</guibutton> button</term>
<listitem><para>Applies the changes without closing the dialog.</para></listitem>
</varlistentry>

<varlistentry>
<term><guibutton>Cancel</guibutton> button</term>
<listitem><para>Closes the dialog without saving the changes.</para></listitem>
</varlistentry>

</variablelist>

<note><para>You can also click the small <guibutton>What's This</guibutton>
button with a question mark at the top right of the dialog and then click a
configuration option to get a brief explanation of it.</para></note>

<para>Clicking the rightmost button at the top of the dialog closes the dialog
discarding any unapplied changes.</para>

</sect1>

<sect1 id="settings-general">
<title>General section</title>

<para>This section contains options that affect general &kplayer;
behavior.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-general.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Resize main window automatically</guilabel></term>

<listitem><para>By default &kplayer; resizes the main window automatically
unless it is maximized or full screen.It also automatically resizes the window
to maintain the video aspect if that option is turned on.</para>

<para>If you would like to avoid automatic resizing and always keep the window
the size you make it, turn this option off. &kplayer; will then maintain the
video aspect by constraining the video within the window, as if the window was
maximized for example. You will also want to turn this option off if you get
problems coming back from full screen mode, like endless flickering for example.
</para></listitem>
</varlistentry>
<varlistentry>
<term><guilabel>Maximum entries on playlist menus</guilabel></term>

<listitem><para>This option tells &kplayer; the maximum number of entries to put
on the <guisubmenu>Play List</guisubmenu> submenu of the
<link linkend="menu-file"><guimenu>File</guimenu> menu</link> and
<mousebutton>right</mousebutton> click <link linkend="popup-menus">popup
menus</link> and on the <guisubmenu>Add to</guisubmenu> submenu of the
<link linkend="menu-library"><guimenu>Library</guimenu> menu</link> and the
<link linkend="popup-library">library popup menu</link>. The
<link linkend="parts-library"><interface>multimedia library</interface></link>
allows you to create as many playlists as you like, and you can always access
them in the <guilabel>Playlists</guilabel> section of the library regardless of
this setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum entries on Play Recent menu</guilabel></term>

<listitem><para>This option tells &kplayer; the maximum number of entries to put
on the <guisubmenu>Play Recent</guisubmenu> submenu of the
<link linkend="menu-file"><guimenu>File</guimenu> menu</link> and
<mousebutton>right</mousebutton> click <link linkend="popup-menus">popup
menus</link>. When the number of entries is exceeded, &kplayer; will remove the
oldest entries from the menu, but depending on the option below you may still
find them in the <interface>multimedia library</interface>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum Recent entries in the library</guilabel></term>

<listitem><para>This option tells &kplayer; the maximum number of entries to put
in the <guilabel>Recent</guilabel> section of the <interface>multimedia
library</interface>. When the number of entries is exceeded, &kplayer; will
remove the oldest entries. Note that playing a directory or a selection of files
and directories creates only one entry in the <guilabel>Recent</guilabel>
section and on the <guisubmenu>Play Recent</guisubmenu> menu.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Meta information cache size limit</guilabel></term>

<listitem><para>This option gives the maximum number of multimedia items for
which &kplayer; should store the file properties. These items include local files, remote
<acronym>URL</acronym>s, <acronym>CD</acronym> tracks, <acronym>DVD</acronym>
titles and tuner device channels. &kplayer; remembers the properties of each
of those items, and when the total number of items exceeds this setting, it will
start discarding the properties of the items that have not been played for the
longest time.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Allow duplicate entries on playlists</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will let you add items
with identical <acronym>URL</acronym>s to the playlist. When the option is
turned off and you add new entries to a playlist, &kplayer; will remove any
existing entries that have the same <acronym>URL</acronym> as one of the new
entries from the same playlist folder. Also if some of the new entries have
identical <acronym>URL</acronym>s, it will add only one for each
<acronym>URL</acronym>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Show messages if a file fails to play</guilabel></term>

<listitem><para>This option tells &kplayer; whether to automatically show the
<link linkend="parts-message-log">message log</link> if &kplayer; encounters an
error when trying to play a file. If this option is enabled, &kplayer; will show
the log and scroll to the last messages from the first file with an error, so
you can see what the error was. If the option is disabled, &kplayer; will
instead display the word <guilabel>Error</guilabel> in the left portion of the
<link linkend="parts-status-bar">status bar</link>, and then you can
<mousebutton>left</mousebutton> click it to show the message
log.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-controls">
<title>Controls section</title>

<para>This section contains advanced options that control how your choices
made using various &kplayer; controls are applied and stored. For more
information on applying options to individual files see the File Properties
section of this manual.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-controls.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Remember for current file any changes made with
&Shift;</guilabel></term>

<listitem><para>If this option is selected, when you adjust one of the
settings listed below while holding the &Shift; key down, &kplayer; will
apply the change only to the current file, store it in the file properties,
and revert to the setting prior to the change before loading another file.
You will be able to see and modify the stored setting in the File Properties
dialog. The next time the file is played, the setting stored in its
properties will again take effect until another file is loaded.</para>

<para>If you make the change without pressing the &Shift; key, and the
corresponding option below is not selected, the new setting will apply to the
current file and all files played after it until you change the setting
again.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Always remember the following settings for each
file</guilabel></term>

<listitem><para>The following options let you choose what settings &kplayer;
will automatically remember in the file properties for each individual file.
By default it stores the video aspect ratio, subtitle delay and audio delay
separately for each file, and resets the delays for each new file, while other
settings are preserved when loading new files. Normally you should leave the
options below at their defaults. Settings for which the corresponding options
below are not selected can still be easily stored for each file by holding down
the &Shift; key while changing them, as long as the <guilabel>Remember for
current file any changes made with Shift</guilabel> option is
selected.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Display size</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember in the file properties for the currently loaded file the video
display size you choose by resizing the main KPlayer window or the video
area. As mentioned above, if this option is not selected, you can still
make &kplayer; remember the display size by holding down the &Shift; key,
but for that to work in this case it is important that you start holding
the &Shift; key before resizing.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Display aspect</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember in the file properties for the currently loaded file the video
aspect you choose by using commands on <guimenu>View</guimenu>
menu.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Full screen</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember in the file properties for the currently loaded file the full
screen option you choose on the <guimenu>View</guimenu>
menu.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximized</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the maximized window state in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maintain aspect</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the maintain aspect setting in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Volume</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember volume adjustments in the file properties for the currently loaded
file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Audio delay</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the audio delay setting in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Contrast</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember contrast adjustments in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Brightness</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember brightness adjustments in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Hue</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember hue adjustments in the file properties for the currently loaded
file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Saturation</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember saturation adjustments in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Subtitle position</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the subtitle vertical position in the file properties for the
currently loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Subtitle delay</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the subtitle delay setting in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Frame drop</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will automatically
remember the frame drop setting in the file properties for the currently
loaded file.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-progress">
<title>Progress subsection</title>

<para>This section contains options that affect the progress slider control
and the seeking function.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-progress.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Normal seek amount</guilabel></term>

<listitem><para>This option tells &kplayer; how far to seek (move the
current playback position) forward or backward when using
<guimenuitem>Forward</guimenuitem> and <guimenuitem>Backward</guimenuitem>
commands on <guimenu>Player</guimenu> menu, either in seconds or in
percents of the time length of the file if it is known.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Fast seek amount</guilabel></term>

<listitem><para>This option tells &kplayer; how far to seek (move the
current playback position) forward or backward when using
<guimenuitem>Fast Forward</guimenuitem> and <guimenuitem>Fast
Backward</guimenuitem> commands on <guimenu>Player</guimenu> menu, either
in seconds or in percents of the time length of the file if it is
known.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-volume">
<title>Volume subsection</title>

<para>This section contains options that affect the volume slider
control.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-volume.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum</guilabel></term>

<listitem><para>This option gives the lower limit on the sound volume
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum</guilabel></term>

<listitem><para>This option gives the upper limit on the sound volume
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
sound volume when using the <guimenuitem>Increase Volume</guimenuitem>
and <guimenuitem>Decrease Volume</guimenuitem> commands on the
<guisubmenu>Audio</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Reset</guilabel></term>

<listitem><para>This option lets you reset the sound volume to a specific
setting every time before loading a new file or when starting
&kplayer;.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-contrast">
<title>Contrast subsection</title>

<para>This section contains options that affect the contrast slider
control.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-contrast.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum</guilabel></term>

<listitem><para>This option gives the lower limit on the video contrast
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum</guilabel></term>

<listitem><para>This option gives the upper limit on the video contrast
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
video contrast when using the <guimenuitem>Increase Contrast</guimenuitem>
and <guimenuitem>Decrease Contrast</guimenuitem> commands on the
<guisubmenu>Video</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Reset</guilabel></term>

<listitem><para>This option lets you reset the video contrast to a specific
setting every time before loading a new file or when starting
&kplayer;.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-brightness">
<title>Brightness subsection</title>

<para>This section contains options that affect the brightness slider
control.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-brightness.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum</guilabel></term>

<listitem><para>This option gives the lower limit on the video brightness
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum</guilabel></term>

<listitem><para>This option gives the upper limit on the video brightness
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
video brightness when using the <guimenuitem>Increase Brightness</guimenuitem>
and <guimenuitem>Decrease Brightness</guimenuitem> commands on the
<guisubmenu>Video</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Reset</guilabel></term>

<listitem><para>This option lets you reset the video brightness to a specific
setting every time before loading a new file or when starting
&kplayer;.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-hue">
<title>Hue subsection</title>

<para>This section contains options that affect the hue slider
control.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-hue.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum</guilabel></term>

<listitem><para>This option gives the lower limit on the video hue
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum</guilabel></term>

<listitem><para>This option gives the upper limit on the video hue
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
video hue when using the <guimenuitem>Increase Hue</guimenuitem>
and <guimenuitem>Decrease Hue</guimenuitem> commands on the
<guisubmenu>Video</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Reset</guilabel></term>

<listitem><para>This option lets you reset the video hue to a specific
setting every time before loading a new file or when starting
&kplayer;.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-saturation">
<title>Saturation subsection</title>

<para>This section contains options that affect the saturation slider
control.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-saturation.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum</guilabel></term>

<listitem><para>This option gives the lower limit on the video saturation
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum</guilabel></term>

<listitem><para>This option gives the upper limit on the video saturation
setting.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
video saturation when using the <guimenuitem>Increase Saturation</guimenuitem>
and <guimenuitem>Decrease Saturation</guimenuitem> commands on the
<guisubmenu>Video</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Reset</guilabel></term>

<listitem><para>This option lets you reset the video saturation to a specific
setting every time before loading a new file or when starting
&kplayer;.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-sliders">
<title>Sliders subsection</title>

<para>This section contains miscellaneous options that affect all slider
controls in &kplayer;.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-sliders.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Minimum slider length</guilabel></term>

<listitem><para>This option gives the minimum length of a slider control.
It affects all sliders embedded in toolbars.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Preferred slider length</guilabel></term>

<listitem><para>This option gives the preferred length of a slider control.
It affects both popup sliders and sliders embedded in toolbars.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Show tick marks on sliders</guilabel></term>

<listitem><para>If this option is selected, &kplayer; will put tick marks on
each slider on the <link linkend="toolbars">toolbars</link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Distance between slider marks</guilabel></term>

<listitem><para>This option gives the distance between tick marks on a slider,
in percents of the slider length.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-video">
<title>Video section</title>

<para>This section contains options that control video output.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-video.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Driver</guilabel></term>

<listitem><para>This option lists available video outputs and lets you
choose the one to use for playing video.</para>

<para>Recommended choice depends on the video card you have. If you have a
Matrox card, try XMGA, for other cards either XVidix (if supported) or XVideo
provide the best quality. With NVidia drivers you can also try XVMC output.
If after trying hard you cannot make any of these work, you can use X11
output as the last resort. Video outputs that open a separate window instead
of using &kplayer; video area are not recommended.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Device</guilabel></term>

<listitem><para>This option specifies the video device to use for the selected
video output. Leave it blank to use the default device.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Codec</guilabel></term>

<listitem><para>This option lists the available video codecs and lets you
choose the one to be used for decoding video. <guilabel>Auto</guilabel> is the
recommended choice, it lets &mplayer; decide which codec to use automatically.
If you need to tell &mplayer; to use a particular codec for a particular file
or stream, set this option in the File Properties.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Scaler</guilabel></term>

<listitem><para>This option specifies the video scaler to be used when doing
software scaling. Software scaling consumes considerable amount of system
resources, so unless you have plenty of them and software scaling gives you
better image quality, you should choose a video output above that uses
hardware scaling.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Enable double buffering</guilabel></term>

<listitem><para>This option lets you choose whether double buffering should
be used for video output. This option is recommended, it gives smoother
display in many cases.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Enable direct rendering</guilabel></term>

<listitem><para>This option lets you choose whether direct rendering should
be used for video output. This option may give performance improvement, but
may also cause video display problems, for example when used along with
double buffering option or when playing with subtitles.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-audio">
<title>Audio section</title>

<para>This section contains options that control audio output.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-audio.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Output driver</guilabel></term>

<listitem><para>This option lists available audio outputs and lets you
choose the one to use for playing sound.</para>

<para>Recommended choice is <acronym>ALSA</acronym>, or <acronym>OSS</acronym>
as the last resort if you cannot use <acronym>ALSA</acronym>.
<acronym>ARTS</acronym>, <acronym>ESD</acronym> and <acronym>SDL</acronym> are
not recommended. The <guilabel>auto</guilabel> option will let &mplayer; choose
an audio output according to its own configuration.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Output device</guilabel></term>

<listitem><para>This option specifies the audio device to use for the selected
audio output. Leave it blank to use the default device.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Control volume independently of other programs</guilabel></term>

<listitem><para>This option tells &mplayer; to use software volume control,
which does not affect global volume settings on your system, but may result
in some distortion of the sound.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Maximum volume</guilabel></term>

<listitem><para>When the software volume option above is turned on, this option
gives the maximum volume level in percent of the normal level.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Mixer device</guilabel></term>

<listitem><para>When <acronym>ALSA</acronym> or <acronym>OSS</acronym> audio
output is selected, and the software volume option above is turned off, this
option specifies the mixer device that should be used to control the sound
volume. Leave it blank to use the default device.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Mixer channel</guilabel></term>

<listitem><para>When <acronym>ALSA</acronym> or <acronym>OSS</acronym> audio
output is selected, and the software volume option above is turned off, this
option specifies the mixer channel that should be used to control the sound
volume. Leave it blank to use the default channel, normally
<acronym>PCM</acronym>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Codec</guilabel></term>

<listitem><para>This option lists the available audio codecs and lets you
choose the one to be used for decoding audio. <guilabel>Auto</guilabel> is the
recommended choice, it lets &mplayer; decide which codec to use automatically.
If you need to tell &mplayer; to use a particular codec for a particular file
or stream, set this option in the File Properties.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Delay adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
audio delay when using the <guimenuitem>Increase Delay</guimenuitem>
and <guimenuitem>Decrease Delay</guimenuitem> commands on the
<guisubmenu>Audio</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-subtitles">
<title>Subtitles section</title>

<para>This section contains options that control subtitle display.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-subtitles.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Font name</guilabel></term>

<listitem><para>This option lets you choose the name of the font that &mplayer;
should use to display subtitles.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Bold</guilabel></term>

<listitem><para>This option tells &mplayer; to use a bold font to display
subtitles.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Italic</guilabel></term>

<listitem><para>This option tells &mplayer; to use an italic font to display
subtitles.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Text size</guilabel></term>

<listitem><para>This option specifies the text size that &mplayer; should use
to display subtitles. If the <guilabel>Auto scale</guilabel> option below is
selected, this option gives the scaling factor, otherwise it gives the font
size in points.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Auto scale</guilabel></term>

<listitem><para>This option indicates whether &mplayer; should scale the font
according to the size of the video or always use the same font
size.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Outline</guilabel></term>

<listitem><para>This option specifies the width of the black outline for the
subtitle font.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Width</guilabel></term>

<listitem><para>This option gives the width of the area for subtitle text in
percent of the width of the video area.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Position adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; how far to move the subtitles, in
percents of the video height, when using the <guimenuitem>Move Up</guimenuitem>
and <guimenuitem>Move Down</guimenuitem> commands on the
<guisubmenu>Subtitles</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Delay adjustment amount</guilabel></term>

<listitem><para>This option tells &kplayer; by how much to adjust the
subtitle delay when using the <guimenuitem>Increase Delay</guimenuitem>
and <guimenuitem>Decrease Delay</guimenuitem> commands on the
<guisubmenu>Subtitles</guisubmenu> submenu of the <guimenu>Player</guimenu>
menu or the corresponding keyboard shortcuts.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Encoding</guilabel></term>

<listitem><para>This option specifies the encoding of text in subtitle files.
For individual subtitle files that use a different encoding you can override
this setting in the <link linkend="properties-subtitles"><guilabel>File
Properties</guilabel></link> of the corresponding video file.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Display closed caption subtitles</guilabel></term>

<listitem><para>This options tells &mplayer; to display closed caption subtitles
if the video has them. Closed caption subtitles are found on some
<acronym>DVD</acronym>s.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Auto expand video area to aspect ratio</guilabel></term>

<listitem><para>This option tells &kplayer; to expand the video area to fit
the aspect ratio you choose and display subtitles in the black bands below or
above the video. It is recommended that you choose the aspect ratio to match
the aspect ratio of your monitor, normally
<guilabel>4:3</guilabel>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Autoload subtitles</guilabel></term>

<listitem><para>This option tells &kplayer; to automatically load
subtitle files that have the extensions given in the field below. &kplayer; will
look for subtitle files in the directory where the video file is, by looking for
files that have one of the extensions given by the next field and contain the
name of the video file in their name. Autoloading only works in directories
mounted on your file system.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Extensions</guilabel></term>

<listitem><para>This option lists the extensions of subtitle files that
&kplayer; should automatically load and display in the video area. The
extensions can be separated by commas, semicolons, colons, periods or
spaces.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

<sect1 id="settings-advanced">
<title>Advanced section</title>

<para>This section contains various options that affect advanced command
line parameters passed to &mplayer;, as well as interaction with &kde;
I/O Slaves.</para>

<mediaobject>
<imageobject>
<imagedata fileref="settings-advanced.png" format="PNG"/>
</imageobject>
</mediaobject>

<variablelist>

<varlistentry>
<term><guilabel>Executable path</guilabel></term>

<listitem><para>This option tells &kplayer; where to find the &mplayer;
executable. It is either an absolute path or a name to look for in the
current environment path.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Additional command line arguments</guilabel></term>

<listitem><para>This option gives additional options that will be passed
to &mplayer; on the command line. See the <ulink url="man:/mplayer">&mplayer;
manpage</ulink> for a complete list of possible options. You can also set this
option for an individual file or <acronym>URL</acronym> in the
<link linkend="properties-advanced"><guilabel>File
Properties</guilabel></link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Preferred demuxer</guilabel></term>

<listitem><para>This option lists the available demultiplexers and lets you
choose the one to be used for decoding files and streams.
<guilabel>Auto</guilabel> is the recommended choice, it lets &mplayer; decide
which demuxer to use automatically. If you need to tell &mplayer; to use a
particular demuxer for a particular file or stream, set this option in the
<link linkend="properties-advanced"><guilabel>File
Properties</guilabel></link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Frame drop</guilabel></term>

<listitem><para>If your system is too slow to play a file, &mplayer; can
drop some frames so playback does not slow down. The <guilabel>none</guilabel>
option disables frame dropping, <guilabel>soft</guilabel> drops less frames, and
<guilabel>hard</guilabel> drops more frames and may sometimes break decoding.
You can also set this option for an individual file or <acronym>URL</acronym> in
the <link linkend="properties-advanced"><guilabel>File
Properties</guilabel></link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Cache</guilabel></term>

<listitem><para>This option lets you choose whether to use cache and set its
size. The <guilabel>auto</guilabel> option lets &mplayer; choose an optimal
cache size automatically, <guilabel>none</guilabel> tells &mplayer; to use no
cache, and <guilabel>set size</guilabel> lets you set a specific size. You can
also set this option for an individual file or <acronym>URL</acronym> in the
<link linkend="properties-advanced"><guilabel>File
Properties</guilabel></link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Build new index</guilabel></term>

<listitem><para>This option lets you choose whether to build a new index for
seeking. The <guilabel>yes</guilabel> option builds an index if the file does
not have it, <guilabel>no</guilabel> tells &mplayer; not to build an index, and
<guilabel>force</guilabel> tells it to always build an index. You can also
choose this option for an individual file or <acronym>URL</acronym> in the
<link linkend="properties-advanced"><guilabel>File
Properties</guilabel></link>.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Use temporary file for playing from KIOSlave</guilabel></term>

<listitem><para>This option lets you choose whether to use a temporary file
for playing from &kde; I/O Slaves. This option has no effect for URLs passed
directly to &mplayer;. You can also choose it for individual file or URL in
File Properties.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Use KIOSlave for</guilabel> <guilabel>HTTP</guilabel></term>

<listitem><para>This option lets you choose whether to use a &kde; I/O Slave
to play HTTP URLs. You can also choose this option for individual file or
stream in File Properties.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Use KIOSlave for</guilabel> <guilabel>FTP</guilabel></term>

<listitem><para>This option lets you choose whether to use a &kde; I/O Slave
to play FTP URLs. You can also choose this option for individual file or
stream in File Properties.</para></listitem>
</varlistentry>

<varlistentry>
<term><guilabel>Use KIOSlave for</guilabel> <guilabel>SMB</guilabel></term>

<listitem><para>This option lets you choose whether to use a &kde; I/O Slave
to play Samba URLs. You can also choose this option for individual file or
stream in File Properties.</para></listitem>
</varlistentry>

</variablelist>

</sect1>

</chapter>
