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XvQueryAdaptors - ?????꡼???ˤĤ??ƤΥ????ץ????????֤?

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#include <X11/extensions/Xvlib.h>

XvQueryAdaptors(dpy, win, p_num_adaptors, pp_adaptor_info)

Display *dpy;
Drawable draw;
int *p_num_adaptors;
XvAdaptorInfo **pp_adaptor_info;

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dpy

Xv ?????Ф? Xv ???饤?????Ȥ????Υꥯ?????Ȥ??????դ????ǥ????ץ쥤???? ?????ꤹ?롣?ǥ????ץ쥤?????ꤹ?륪?ץ????󤬻??ꤵ???Ƥ??ʤ????С?Xv ?? DISPLAY ?Ķ??ѿ??ǻ??ꤵ???Ƥ????ǥ????ץ쥤???Ȥ????ǥ????ץ쥤 ???ꥪ?ץ??????ϡ֥ۥ???̾:?ֹ??פȤ????????Ǥ??롣?????? 1 ??(:)?Ǥ? ?????????? 2 ??(::)???Ȥä??????ˤϡ??ȥ??󥹥ݡ????ؤ? DECnet ???Ȥ? ???Ȥ????ꤵ???롣

draw

?????ץ????????׵ᤵ???륹???꡼???Υɥ??????֥??????ꤹ?롣

p_num_adaptors

???ꤵ?줿?????꡼?????Ф??륢???ץ??ο??ؤΥݥ??󥿤??֤????롣

pp_adaptor_info

?֤??줿?????ץ??????Υꥹ?ȤؤΥݥ??󥿤??֤????롣

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XvQueryAdaptors(3X) ?ϡ????ꤵ?줿?ɥ??????֥??Υ????꡼?????Ф????ӥ? ???????ץ??ξ??????֤???XvAdaptorInfo ?????Ƥϰʲ??Ǥ???:

     typedef struct {


       XvPortID base_id;


       unsigned long num_ports;


       char type;


       char *name;


       unsigned long num_formats;


       XvFormat *formats;


       unsigned long num_adaptors;


     } XvAdaptorInfo;

base_id

?ǽ??Υ????ץ??ݡ??ȤΥ꥽???? ID.

num_ports

?????ץ??????ݡ??Ȥ??Ƥ????ݡ??ȿ???

type

?ӥåȥޥ??????????ץ????ӥǥ????Ϥ򥵥ݡ??Ȥ??Ƥ????С?XvInputMask ?? ?ӥåȤ?Ω?????????ץ????ӥǥ????Ϥ򥵥ݡ??Ȥ??Ƥ????С?XvOutputMask ?ΥӥåȤ?Ω?ġ?

name

?????ץ??????̤????٥?????ͭ??̾?Ρ?

num_formats

?????ץ??????ݡ??Ȥ??Ƥ??뿼??/?ӥ??奢?? ID ?????μ????ο???

formats

XvFormat ??¤?Τ??????ؤΥݥ??󥿡?

XvFormat ??¤?Τ????Ƥϰʲ??Ǥ???:

     typedef struct {


       char depth;


       unsigned long visual_id;


     } XvFormat;

depth

?????ץ??????ݡ??Ȥ??Ƥ????ɥ??????֥??ο?????

visual_id

?????ץ??????ꤵ?줿?????ˤ????ƥ??ݡ??Ȥ??Ƥ????ӥ??奢?? ID.

?֤???¶

[Success]

XvQueryAdaptors(3X) ???????˽?λ???????֤????롣

[XvBadExtension]

Xv ??ǽ??ĥ?????ѤǤ??ʤ???

[XvBadAlloc]

XvQueryAdaptors(3X) ?????ꥯ?????Ȥ????????뤿???Υ??????γ??????Ƥ˼? ?Ԥ??????????֤????롣

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[Drawable]

?׵ᤵ?줿?ɥ??????֥뤬¸?ߤ??ʤ????????֤????롣

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XvFreeAdaptorInfo(3X)