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XvGetVideo(3X) manual page
Table of Contents
XvGetVideo - capture video from a drawable
include "Xvlib.h"
XvGetVideo(dpy, port, d, gc, vx, vy, vw, vh, dx, dy, dw, dh)
register
Display *dpy;
XvPortID port;
Drawable d;
GC gc;
int vx, vy, dx, dy;
unsigned int vw, vh;
unsigned int dw, dh;
- dpy
- 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.
- port
- Defines the port to which video output is sent.
- d
- Defines
the drawable (window) from which video output is to be obtained.
- gc
- Defines
the graphical context. GC components are: subwindow-mode, clip-x-origin,
clip-y-origin, and clip-mask.
- vx,vy,vw,vh
- Define the location and size of
the video region is to be written. vx and vy define the x and y coordinates
of the upper-left corner of the video region; vw and vh define the width
and height, in pixels, of the video region.
- dx,dy,dw,dh
- Define the location
of the source drawable from which the video image is to be taken. dx and
dy define the x and y coordinates of the upper-left corner of the drawable
region; dw and dh define the width and height, in pixels, of the drawable
region.
outputs video from a drawable. The position and size of the
destination rectangle is specified by vx, vy, vw, and vh. The position
and size of the source rectangle is specified by dx, dy, dw, and dh.
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.
If video is successfully initiated, an XvVideoNotify
event with detail XvStarted is generated for the drawable. If the port
is already in use, its video is preempted, and if the new drawable is different
than the old, an XvVideoNotify event with detail XvPreempted is generated
for the old drawable. If the port is grabbed by another client, this request
is ignored, and an XvVideoNotify event with detail XvBusy is generated
for the drawable.
- [Success]
- Returned if XvGetVideo(3X)
completed successfully.
- [XvBadExtension]
- Returned if the Xv extension is unavailable.
- [XvBadAlloc]
- Returned
if XvGetVideo(3X)
failed to allocate memory to process the request.
- [XvBadPort]
- Generated
if the requested port does not exist.
- [BadGC]
- Generated if the requested
graphics context does not exist.
- [BadDrawable]
- Generated if the requested
drawable does not exist.
- [BadAlloc]
- Generated if there were insufficient
resources to process the request.
XvGetStill(3X)
, XvPutVideo(3X)
, XvVideoNotify(3X)
Table of Contents
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- mn
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- mus
- my
- myv
- mzn
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- nah
- nap
- nds
- nds_nl
- ne
- new
- ng
- nl
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- no
- nov
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- nv
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- quality
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- sah
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- sh
- si
- simple
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- sm
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- so
- sr
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- ss
- st
- stq
- su
- sv
- sw
- szl
- ta
- te
- tet
- tg
- th
- ti
- tk
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- to
- tpi
- tr
- ts
- tt
- tum
- tw
- ty
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- ug
- uk
- ur
- uz
- ve
- vec
- vi
- vls
- vo
- wa
- war
- wo
- wuu
- xal
- xh
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- za
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- zh_yue
- zu
-
Static
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- af
- ak
- als
- am
- an
- ang
- ar
- arc
- as
- ast
- av
- ay
- az
- ba
- bar
- bat_smg
- bcl
- be
- be_x_old
- bg
- bh
- bi
- bm
- bn
- bo
- bpy
- br
- bs
- bug
- bxr
- ca
- cbk_zam
- cdo
- ce
- ceb
- ch
- cho
- chr
- chy
- co
- cr
- crh
- cs
- csb
- cu
- cv
- cy
- da
- de
- diq
- dsb
- dv
- dz
- ee
- el
- eml
- en
- eo
- es
- et
- eu
- ext
- fa
- ff
- fi
- fiu_vro
- fj
- fo
- fr
- frp
- fur
- fy
- ga
- gan
- gd
- gl
- glk
- gn
- got
- gu
- gv
- ha
- hak
- haw
- he
- hi
- hif
- ho
- hr
- hsb
- ht
- hu
- hy
- hz
- ia
- id
- ie
- ig
- ii
- ik
- ilo
- io
- is
- it
- iu
- ja
- jbo
- jv
- ka
- kaa
- kab
- kg
- ki
- kj
- kk
- kl
- km
- kn
- ko
- kr
- ks
- ksh
- ku
- kv
- kw
- ky
- la
- lad
- lb
- lbe
- lg
- li
- lij
- lmo
- ln
- lo
- lt
- lv
- map_bms
- mdf
- mg
- mh
- mi
- mk
- ml
- mn
- mo
- mr
- mt
- mus
- my
- myv
- mzn
- na
- nah
- nap
- nds
- nds_nl
- ne
- new
- ng
- nl
- nn
- no
- nov
- nrm
- nv
- ny
- oc
- om
- or
- os
- pa
- pag
- pam
- pap
- pdc
- pi
- pih
- pl
- pms
- ps
- pt
- qu
- quality
- rm
- rmy
- rn
- ro
- roa_rup
- roa_tara
- ru
- rw
- sa
- sah
- sc
- scn
- sco
- sd
- se
- sg
- sh
- si
- simple
- sk
- sl
- sm
- sn
- so
- sr
- srn
- ss
- st
- stq
- su
- sv
- sw
- szl
- ta
- te
- tet
- tg
- th
- ti
- tk
- tl
- tlh
- tn
- to
- tpi
- tr
- ts
- tt
- tum
- tw
- ty
- udm
- ug
- uk
- ur
- uz
- ve
- vec
- vi
- vls
- vo
- wa
- war
- wo
- wuu
- xal
- xh
- yi
- yo
- za
- zea
- zh
- zh_classical
- zh_min_nan
- zh_yue
- zu
-
Static
Wikipedia 2006 (no
images)
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- ab
- af
- ak
- als
- am
- an
- ang
- ar
- arc
- as
- ast
- av
- ay
- az
- ba
- bar
- bat_smg
- bcl
- be
- be_x_old
- bg
- bh
- bi
- bm
- bn
- bo
- bpy
- br
- bs
- bug
- bxr
- ca
- cbk_zam
- cdo
- ce
- ceb
- ch
- cho
- chr
- chy
- co
- cr
- crh
- cs
- csb
- cu
- cv
- cy
- da
- de
- diq
- dsb
- dv
- dz
- ee
- el
- eml
- eo
- es
- et
- eu
- ext
- fa
- ff
- fi
- fiu_vro
- fj
- fo
- fr
- frp
- fur
- fy
- ga
- gan
- gd
- gl
- glk
- gn
- got
- gu
- gv
- ha
- hak
- haw
- he
- hi
- hif
- ho
- hr
- hsb
- ht
- hu
- hy
- hz
- ia
- id
- ie
- ig
- ii
- ik
- ilo
- io
- is
- it
- iu
- ja
- jbo
- jv
- ka
- kaa
- kab
- kg
- ki
- kj
- kk
- kl
- km
- kn
- ko
- kr
- ks
- ksh
- ku
- kv
- kw
- ky
- la
- lad
- lb
- lbe
- lg
- li
- lij
- lmo
- ln
- lo
- lt
- lv
- map_bms
- mdf
- mg
- mh
- mi
- mk
- ml
- mn
- mo
- mr
- mt
- mus
- my
- myv
- mzn
- na
- nah
- nap
- nds
- nds_nl
- ne
- new
- ng
- nl
- nn
- no
- nov
- nrm
- nv
- ny
- oc
- om
- or
- os
- pa
- pag
- pam
- pap
- pdc
- pi
- pih
- pl
- pms
- ps
- pt
- qu
- quality
- rm
- rmy
- rn
- ro
- roa_rup
- roa_tara
- ru
- rw
- sa
- sah
- sc
- scn
- sco
- sd
- se
- sg
- sh
- si
- simple
- sk
- sl
- sm
- sn
- so
- sr
- srn
- ss
- st
- stq
- su
- sv
- sw
- szl
- ta
- te
- tet
- tg
- th
- ti
- tk
- tl
- tlh
- tn
- to
- tpi
- tr
- ts
- tt
- tum
- tw
- ty
- udm
- ug
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- ur
- uz
- ve
- vec
- vi
- vls
- vo
- wa
- war
- wo
- wuu
- xal
- xh
- yi
- yo
- za
- zea
- zh
- zh_classical
- zh_min_nan
- zh_yue
- zu
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