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author | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 16:48:49 +0000 |
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committer | Kaleb Keithley <kaleb@freedesktop.org> | 2003-11-14 16:48:49 +0000 |
commit | 355f676a4ff26d8fcdfdbe64e791e60bc579e339 (patch) | |
tree | 7a1490729f7fad1929023e3408a5545a6470d68c /man/XvGetStill.man |
Initial revision
Diffstat (limited to 'man/XvGetStill.man')
-rw-r--r-- | man/XvGetStill.man | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/man/XvGetStill.man b/man/XvGetStill.man new file mode 100644 index 0000000..af3ec6d --- /dev/null +++ b/man/XvGetStill.man @@ -0,0 +1,128 @@ +.TH XvGetStill 3X __vendorversion__ +.\" $XFree86: xc/doc/man/Xv/XvGetStill.man,v 1.5 2001/01/27 18:20:36 dawes Exp $ +.SH Name +XvGetStill \- capture a single frame of video from a drawable +.\" +.SH Syntax +.B include "Xvlib.h" +.sp 1l +.B XvGetStill(\fIdpy, port, d, gc, vx, vy, vw, vh, dx, dy, dw, dh\fP) +.sp 1l +.B register +.I Display +.I *dpy; +.br +.B XvPortID +.I port; +.br +.B Drawable +.I d; +.br +.B GC +.I gc; +.br +.B int +.I vx, +.I vy, +.I dx, +.I dy; +.br +.B unsigned int +.I vw, +.I vh; +.br +.B unsigned int +.I dw, +.I dh; +.sp 1l +.\" +.SH Arguments +.\" +.IP \fIdpy\fR 15 +Specifies the display screen on which the +Xv Server is to accept requests from Xv clients. If the +display option is not specified, Xv uses the display screen +specified by your DISPLAY environment variable. The display +option has the format hostname:number. Using two colons +(::) instead of one (:) indicates that DECnet is to be used +for transport. +.IP \fIport\fR 15 +Defines the port to which the still is outputed. +.IP \fId\fR 15 +Defines the drawable from which the still is to be captured. +Pixmaps are currently not supported. +.IP \fIgc\fR 15 +Defines the graphical context. GC components are: +.I subwindow-mode, +.I clip-x-origin, +.I clip-y-origin, +and +.I clip-mask. +.IP \fIvx,vy,vw,vh\fR 15 +Define the location and size of the destination video region +into which the still is to be written. \fIvx\fP and \fIvy\fP define the +.I x and +.I y +coordinates of the upper-left corner of the video region; +.I vw and +.I vh +define the width and height, in pixels, of the video region. +.IP \fIdx,dy,dw,dh\fR 15 +Define the location and size of the source drawable from which the +still image is to be captured. +.I dx and +.I dy +define the +.I x and +.I y +coordinates of the upper-left corner of the drawable region; +.I dw and +.I dh +define the width and height, in pixels, of the drawable region. +.\" +.SH Description +.\" +.PN XvGetStill +captures a single frame of video from a drawable. The +position and size of the destination (video) rectangle is specified by \fIvx, +vy, vw\fR, and \fIvh\fR. The position and size of the +source (drawable) rectangle is +specified by \fIdx, dy, dw\fR, and \fIdh\fR. +.PP +Drawable data is clipped to the bounds of the drawable, scaled to the +requested video region size (or the closest size supported) and +clipped to the bounds of the video encoding. The contents of any region +not updated with drawable data is undefined. +.PP +./" If the still is successfully captured an XvVideoNotify event with +./" detail XvStill is generated for the drawable. +./" [mhs]: Not in this universe +If the port is grabbed +by another client, this request is ignored, and an XvVideoNotify event +with detail XvBusy is generated for the drawable. +.SH Returned Values +.IP [Success] 8 +Returned if XvGetStill(3X) completed successfully. +.IP [XvBadExtension] 8 +Returned if the Xv extension is unavailable. +.IP [XvBadAlloc] 8 +Returned if XvGetStill(3X) failed to allocate memory to process +the request. +.SH Diagnostics +.IP [XvBadPort] 8 +Generated if the requested port does not exist. +.IP [BadDrawable] 8 +Generated if the requested drawable does not exist. +.IP [BadGC] 8 +Generated if the requested graphics context does not exist. +.IP [BadAlloc] 8 +Generated if there were insufficient resources to process the request. +.\" +.SH See Also +.\" +XvPutStill(3X), XvGetVideo(3X), XvPutVideo(3X), XvVideoNotify(3X) +.br + + + + |