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authorMatthieu Herrb <matthieu@cvs.openbsd.org>2006-11-25 18:08:14 +0000
committerMatthieu Herrb <matthieu@cvs.openbsd.org>2006-11-25 18:08:14 +0000
commit1d13d3921dd70a5ff2f0784c47e7dbd192b778a2 (patch)
tree9961a7d26f83ba33a7850a82b03660e0d49f71aa /lib/libXv/man/XvSetPortAttribute.man
parent690dcb448242e6a81154e589bb283f1e98f38c67 (diff)
import from X.Org 7.2RC2
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+.TH XvSetPortAttribute __libmansuffix__ __vendorversion__
+.\" $XFree86: xc/doc/man/Xv/XvSetPortAttribute.man,v 1.6 2001/01/27 18:20:36 dawes Exp $
+.SH Name
+XvSetPortAttribute \- sets an attribute of a video port
+.\"
+.SH Syntax
+\fB#include <X11/extensions/Xvlib.h>\fR
+.sp 1l
+\fBXvSetPortAttribute(\fIdpy, port, attribute, value\fR)
+.sp 1l
+\fBDisplay \fI*dpy\fR;
+.br
+\fBXvPortID \fIport\fR;
+.br
+\fBAtom \fIattribute\fR;
+.br
+\fBint \fIvalue\fR;
+.SH Arguments
+.\"
+.IP \fIdpy\fR 15
+Specifies the connection to the X server.
+.IP \fIport\fR 15
+Specifies the port for which the attribute is to be used.
+.IP \fIattribute\fR 15
+Identifies the port attribute to be set by this request.
+Can be one of the table entries under the column "String," below.
+.IP \fIvalue\fR 15
+Identifies the value to which \fIattribute\fP is to be set.
+Can be one of the table entries under the column "Type," below.
+.\"
+.SH Description
+XvSetPortAttribute(__libmansuffix__) permits a client to set the port attribute
+to specified values. This request supports the following values:
+.bp
+.PP
+.\" .TS
+.\" tab(@);
+.\" lfHB lfHB lfHB
+.\" lfR lfR lfR .
+.\" _
+.\" .PP
+.\" .sp 4p
+.\" Attribute String@Type@Default
+.\" .sp 6p
+.\" _
+.\" .sp 6p
+.\" "XV_ENCODING"@XvEncodingID@Server dependent
+.\" "XV_HUE"@[-1000...1000]@0
+.\" "XV_SATURATION"@[-1000...1000]@0
+.\" "XV_BRIGHTNESS"@[-1000...1000]@0
+.\" "XV_CONTRAST"@[-1000...1000]@0
+.\" .sp 6p
+.\" .TE
+.nf
+Attribute String Type Default
+
+"XV_ENCODING" XvEncodingID Server dependent
+"XV_HUE" [-1000...1000] 0
+"XV_SATURATION" [-1000...1000] 0
+"XV_BRIGHTNESS" [-1000...1000] 0
+"XV_CONTRAST" [-1000...1000] 0
+.fi
+.PP
+The supplied encoding must be one of the encodings listed for the
+adaptor, otherwise an Encoding error results.
+.PP
+If the adaptor does not support the exact hue, saturation,
+brightness, and contrast levels supplied, the closest levels
+supported are assumed. Use XvGetPortAttribute(__libmansuffix__)
+to query the resulting levels.
+.PP
+When an XvSetPortAttribute(__libmansuffix__) request is processed, a
+PortControlNotify(__libmansuffix__) event is generated for all clients
+that have requested for port changes using XvSelectPortNotify(__libmansuffix__).
+.SH Returned Values
+.IP [Success] 8
+Returned if XvSetPortAttribute(__libmansuffix__) completed successfully.
+.IP [XvBadExtension] 8
+Returned if the Xv extension is unavailable.
+.IP [XvBadAlloc] 8
+Returned if XvSelectVideoNotify(__libmansuffix__) failed to allocate memory to process
+the request.
+.SH Diagnostics
+.IP [XvBadPort] 8
+Generated if the requested port does not exist.
+.IP [XvBadEncoding] 8
+Generated if an encoding is specified that does not exist.
+.IP [BadMatch] 8
+Generated if the requested attribute atom does not specify an attribute
+supported by the adaptor.
+.SH See Also
+.\"
+XvGetPortAttribute(__libmansuffix__), XvSelectPortNotify(__libmansuffix__), XvPortNotify(__libmansuffix__)
+.br