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Another mixer settings are also supported. Note that it is not recommended to enable custom losless video processor because real time function will not work in this case.
Captions management
Basic parameters and font size
Mixer captions font size can be changed if necessary depending on mixer outpout stream resolution:
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Parameter | Default value in pixels | Description |
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mixer_text_cut_top | 3 | Text top cut |
mixer_text_padding_bottom | 5 | Text bottom padding |
mixer_text_padding_left | 5 | Text left padding |
mixer_text_padding_right | 4 | Text right padding |
mixer_text_padding_top | 5 | Text top padding |
Text colour, background colour and opacity
Since build 5.2.741 caption text colour and backgroung colour can be changed with the following parameters
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For audio only participants, bacj=kground background colour fills the rectangle.
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Since build 5.2.709770 caption text background opacity can be autoscaled to fit the picture. The feature is enabled by default with thr changed using the following parameter
Code Block | ||
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mixer_text_background_autoscaleopacity=true |
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100 |
Background opacity shold be set in percents: 0 for full transparency, 100 for full opacity (text background will be coloured to defined colour). The default value is 100 (fully opaque).
Font
Since build 5.2.770 it is possible to set captions font using the following param,eter
Code Block | ||
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mixer_text_font=Serif |
The default value is Serif. Font can be chosen from X11 fonts list only, for example:
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[root@centos76 ~]# fc-list | grep X11
/usr/share/X11/fonts/Type1/c0611bt_.pfb: Courier 10 Pitch:style=Bold Italic
/usr/share/X11/fonts/Type1/UTBI____.pfa: Utopia:style=Bold Italic
/usr/share/X11/fonts/Type1/c0419bt_.pfb: Courier 10 Pitch:style=Regular
/usr/share/X11/fonts/Type1/c0648bt_.pfb: Bitstream Charter:style=Regular
/usr/share/X11/fonts/Type1/cursor.pfa: Cursor:style=Regular
/usr/share/X11/fonts/Type1/UTB_____.pfa: Utopia:style=Bold
/usr/share/X11/fonts/Type1/c0583bt_.pfb: Courier 10 Pitch:style=Bold
/usr/share/X11/fonts/Type1/UTI_____.pfa: Utopia:style=Italic
/usr/share/X11/fonts/Type1/c0582bt_.pfb: Courier 10 Pitch:style=Italic
/usr/share/X11/fonts/Type1/c0633bt_.pfb: Bitstream Charter:style=Bold Italic
/usr/share/X11/fonts/Type1/c0649bt_.pfb: Bitstream Charter:style=Italic
/usr/share/X11/fonts/Type1/c0632bt_.pfb: Bitstream Charter:style=Bold
/usr/share/X11/fonts/Type1/UTRG____.pfa: Utopia:style=Regular |
A full font name should be set, for example
Code Block | ||
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mixer_text_font=Courier 10 Pitch |
The default system font will be used if there is no the chosen font in the system.
If the chosen font contains no characters which are in caption text, those charecters will not be displayed.
Caption text autoscaling
Since build 5.2.709 caption text can be autoscaled to fit the picture. The feature is enabled by default with thr following parameter
Code Block | ||
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mixer_text_autoscale=true |
If one or more publishers share a screen, a special desktop layout is enabled, in this case desktop stream caption is scaled separately
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A minimal font size for text scaling is set by is set by the following parameter
Code Block | ||
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mixer_minimal_font_size=1 |
to 1 pt by default
Room (mixer) name displaying
Since build 5.2.770 it is possible to disable room name displaying (which is set to sream name while automatically ading stream to mixer). This can be done with the following parameter
Code Block | ||
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mixer_minimaltext_fontdisplay_sizeroom=1 |
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false |
In this case, for stream named "user1#room1" only "user1" will be displayed (without room name and special character).
Speech indicator management
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