Mercurial > sdl-ios-xcode
comparison src/video/Xext/Xv/Xv.c @ 292:eadc0746dfaf
Added SDL_LockRect() and SDL_UnlockRect()
Incorporated XFree86 extension libraries into the source
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 05 Mar 2002 19:55:32 +0000 |
parents | |
children | 8c4999b0ac10 |
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291:68a8a8237c09 | 292:eadc0746dfaf |
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1 /*********************************************************** | |
2 Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, | |
3 and the Massachusetts Institute of Technology, Cambridge, Massachusetts. | |
4 | |
5 All Rights Reserved | |
6 | |
7 Permission to use, copy, modify, and distribute this software and its | |
8 documentation for any purpose and without fee is hereby granted, | |
9 provided that the above copyright notice appear in all copies and that | |
10 both that copyright notice and this permission notice appear in | |
11 supporting documentation, and that the names of Digital or MIT not be | |
12 used in advertising or publicity pertaining to distribution of the | |
13 software without specific, written prior permission. | |
14 | |
15 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
16 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
17 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
18 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
19 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
20 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
21 SOFTWARE. | |
22 | |
23 ******************************************************************/ | |
24 /* $XFree86: xc/lib/Xv/Xv.c,v 1.15 2001/05/11 08:23:22 alanh Exp $ */ | |
25 /* | |
26 ** File: | |
27 ** | |
28 ** Xv.c --- Xv library extension module. | |
29 ** | |
30 ** Author: | |
31 ** | |
32 ** David Carver (Digital Workstation Engineering/Project Athena) | |
33 ** | |
34 ** Revisions: | |
35 ** | |
36 ** 26.06.91 Carver | |
37 ** - changed XvFreeAdaptors to XvFreeAdaptorInfo | |
38 ** - changed XvFreeEncodings to XvFreeEncodingInfo | |
39 ** | |
40 ** 11.06.91 Carver | |
41 ** - changed SetPortControl to SetPortAttribute | |
42 ** - changed GetPortControl to GetPortAttribute | |
43 ** - changed QueryBestSize | |
44 ** | |
45 ** 15.05.91 Carver | |
46 ** - version 2.0 upgrade | |
47 ** | |
48 ** 240.01.91 Carver | |
49 ** - version 1.4 upgrade | |
50 ** | |
51 */ | |
52 | |
53 #include <stdio.h> | |
54 #include "Xvlibint.h" | |
55 #include <X11/extensions/Xext.h> | |
56 #include <X11/extensions/XShm.h> | |
57 #include "extutil.h" | |
58 | |
59 static XExtensionInfo _xv_info_data; | |
60 static XExtensionInfo *xv_info = &_xv_info_data; | |
61 static char *xv_extension_name = XvName; | |
62 | |
63 #define XvCheckExtension(dpy, i, val) \ | |
64 XextCheckExtension(dpy, i, xv_extension_name, val) | |
65 | |
66 static char *xv_error_string(); | |
67 static int xv_close_display(); | |
68 static Bool xv_wire_to_event(); | |
69 | |
70 static XExtensionHooks xv_extension_hooks = { | |
71 NULL, /* create_gc */ | |
72 NULL, /* copy_gc */ | |
73 NULL, /* flush_gc */ | |
74 NULL, /* free_gc */ | |
75 NULL, /* create_font */ | |
76 NULL, /* free_font */ | |
77 xv_close_display, /* close_display */ | |
78 xv_wire_to_event, /* wire_to_event */ | |
79 NULL, /* event_to_wire */ | |
80 NULL, /* error */ | |
81 xv_error_string /* error_string */ | |
82 }; | |
83 | |
84 | |
85 static char *xv_error_list[] = | |
86 { | |
87 "BadPort", /* XvBadPort */ | |
88 "BadEncoding", /* XvBadEncoding */ | |
89 "BadControl" /* XvBadControl */ | |
90 }; | |
91 | |
92 static XEXT_GENERATE_CLOSE_DISPLAY (xv_close_display, xv_info) | |
93 | |
94 | |
95 static XEXT_GENERATE_FIND_DISPLAY (xv_find_display, xv_info, | |
96 xv_extension_name, | |
97 &xv_extension_hooks, | |
98 XvNumEvents, NULL) | |
99 | |
100 | |
101 static XEXT_GENERATE_ERROR_STRING (xv_error_string, xv_extension_name, | |
102 XvNumErrors, xv_error_list) | |
103 | |
104 | |
105 int | |
106 SDL_NAME(XvQueryExtension)( | |
107 Display *dpy, | |
108 unsigned int *p_version, | |
109 unsigned int *p_revision, | |
110 unsigned int *p_requestBase, | |
111 unsigned int *p_eventBase, | |
112 unsigned int *p_errorBase | |
113 ){ | |
114 XExtDisplayInfo *info = xv_find_display(dpy); | |
115 xvQueryExtensionReq *req; | |
116 xvQueryExtensionReply rep; | |
117 | |
118 XvCheckExtension(dpy, info, XvBadExtension); | |
119 | |
120 LockDisplay(dpy); | |
121 | |
122 XvGetReq(QueryExtension, req); | |
123 | |
124 if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { | |
125 UnlockDisplay(dpy); | |
126 SyncHandle(); | |
127 return XvBadExtension; | |
128 } | |
129 | |
130 *p_version = rep.version; | |
131 *p_revision = rep.revision; | |
132 *p_requestBase = info->codes->major_opcode; | |
133 *p_eventBase = info->codes->first_event; | |
134 *p_errorBase = info->codes->first_error; | |
135 | |
136 UnlockDisplay(dpy); | |
137 SyncHandle(); | |
138 | |
139 return Success; | |
140 } | |
141 | |
142 int | |
143 SDL_NAME(XvQueryAdaptors)( | |
144 Display *dpy, | |
145 Window window, | |
146 unsigned int *p_nAdaptors, | |
147 SDL_NAME(XvAdaptorInfo) **p_pAdaptors | |
148 ){ | |
149 XExtDisplayInfo *info = xv_find_display(dpy); | |
150 xvQueryAdaptorsReq *req; | |
151 xvQueryAdaptorsReply rep; | |
152 int size,ii,jj; | |
153 char *name; | |
154 SDL_NAME(XvAdaptorInfo) *pas, *pa; | |
155 SDL_NAME(XvFormat) *pfs, *pf; | |
156 char *buffer; | |
157 union | |
158 { | |
159 char *buffer; | |
160 char *string; | |
161 xvAdaptorInfo *pa; | |
162 xvFormat *pf; | |
163 } u; | |
164 | |
165 XvCheckExtension(dpy, info, XvBadExtension); | |
166 | |
167 LockDisplay(dpy); | |
168 | |
169 XvGetReq(QueryAdaptors, req); | |
170 req->window = window; | |
171 | |
172 /* READ THE REPLY */ | |
173 | |
174 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
175 UnlockDisplay(dpy); | |
176 SyncHandle(); | |
177 return(XvBadReply); | |
178 } | |
179 | |
180 size = rep.length << 2; | |
181 if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) { | |
182 UnlockDisplay(dpy); | |
183 SyncHandle(); | |
184 return(XvBadAlloc); | |
185 } | |
186 _XRead (dpy, buffer, size); | |
187 | |
188 u.buffer = buffer; | |
189 | |
190 /* GET INPUT ADAPTORS */ | |
191 | |
192 if (rep.num_adaptors == 0) { | |
193 pas = NULL; | |
194 } else { | |
195 size = rep.num_adaptors*sizeof(SDL_NAME(XvAdaptorInfo)); | |
196 if ((pas=(SDL_NAME(XvAdaptorInfo) *)Xmalloc(size))==NULL) { | |
197 Xfree(buffer); | |
198 UnlockDisplay(dpy); | |
199 SyncHandle(); | |
200 return(XvBadAlloc); | |
201 } | |
202 } | |
203 | |
204 /* INIT ADAPTOR FIELDS */ | |
205 | |
206 pa = pas; | |
207 for (ii=0; ii<rep.num_adaptors; ii++) { | |
208 pa->num_adaptors = 0; | |
209 pa->name = (char *)NULL; | |
210 pa->formats = (SDL_NAME(XvFormat) *)NULL; | |
211 pa++; | |
212 } | |
213 | |
214 pa = pas; | |
215 for (ii=0; ii<rep.num_adaptors; ii++) { | |
216 pa->type = u.pa->type; | |
217 pa->base_id = u.pa->base_id; | |
218 pa->num_ports = u.pa->num_ports; | |
219 pa->num_formats = u.pa->num_formats; | |
220 pa->num_adaptors = rep.num_adaptors - ii; | |
221 | |
222 /* GET ADAPTOR NAME */ | |
223 | |
224 size = u.pa->name_size; | |
225 u.buffer += (sz_xvAdaptorInfo + 3) & ~3; | |
226 | |
227 if ( (name = (char *)Xmalloc(size+1)) == NULL) | |
228 { | |
229 SDL_NAME(XvFreeAdaptorInfo)(pas); | |
230 Xfree(buffer); | |
231 UnlockDisplay(dpy); | |
232 SyncHandle(); | |
233 return(XvBadAlloc); | |
234 } | |
235 (void)strncpy(name, u.string, size); | |
236 name[size] = '\0'; | |
237 pa->name = name; | |
238 | |
239 u.buffer += (size + 3) & ~3; | |
240 | |
241 /* GET FORMATS */ | |
242 | |
243 size = pa->num_formats*sizeof(SDL_NAME(XvFormat)); | |
244 if ((pfs=(SDL_NAME(XvFormat) *)Xmalloc(size))==NULL) { | |
245 SDL_NAME(XvFreeAdaptorInfo)(pas); | |
246 Xfree(buffer); | |
247 UnlockDisplay(dpy); | |
248 SyncHandle(); | |
249 return(XvBadAlloc); | |
250 } | |
251 | |
252 pf = pfs; | |
253 for (jj=0; jj<pa->num_formats; jj++) { | |
254 pf->depth = u.pf->depth; | |
255 pf->visual_id = u.pf->visual; | |
256 pf++; | |
257 | |
258 u.buffer += (sz_xvFormat + 3) & ~3; | |
259 } | |
260 | |
261 pa->formats = pfs; | |
262 | |
263 pa++; | |
264 | |
265 } | |
266 | |
267 *p_nAdaptors = rep.num_adaptors; | |
268 *p_pAdaptors = pas; | |
269 | |
270 UnlockDisplay(dpy); | |
271 SyncHandle(); | |
272 | |
273 return (Success); | |
274 } | |
275 | |
276 | |
277 void | |
278 SDL_NAME(XvFreeAdaptorInfo)(SDL_NAME(XvAdaptorInfo) *pAdaptors) | |
279 { | |
280 | |
281 SDL_NAME(XvAdaptorInfo) *pa; | |
282 int ii; | |
283 | |
284 if (!pAdaptors) return; | |
285 | |
286 pa = pAdaptors; | |
287 | |
288 for (ii=0; ii<pAdaptors->num_adaptors; ii++, pa++) | |
289 { | |
290 if (pa->name) | |
291 { | |
292 Xfree(pa->name); | |
293 } | |
294 if (pa->formats) | |
295 { | |
296 Xfree(pa->formats); | |
297 } | |
298 } | |
299 | |
300 Xfree(pAdaptors); | |
301 } | |
302 | |
303 int | |
304 SDL_NAME(XvQueryEncodings)( | |
305 Display *dpy, | |
306 XvPortID port, | |
307 unsigned int *p_nEncodings, | |
308 SDL_NAME(XvEncodingInfo) **p_pEncodings | |
309 ){ | |
310 XExtDisplayInfo *info = xv_find_display(dpy); | |
311 xvQueryEncodingsReq *req; | |
312 xvQueryEncodingsReply rep; | |
313 int size, jj; | |
314 char *name; | |
315 SDL_NAME(XvEncodingInfo) *pes, *pe; | |
316 char *buffer; | |
317 union | |
318 { | |
319 char *buffer; | |
320 char *string; | |
321 xvEncodingInfo *pe; | |
322 } u; | |
323 | |
324 XvCheckExtension(dpy, info, XvBadExtension); | |
325 | |
326 LockDisplay(dpy); | |
327 | |
328 XvGetReq(QueryEncodings, req); | |
329 req->port = port; | |
330 | |
331 /* READ THE REPLY */ | |
332 | |
333 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
334 UnlockDisplay(dpy); | |
335 SyncHandle(); | |
336 return(XvBadReply); | |
337 } | |
338 | |
339 size = rep.length << 2; | |
340 if ( (buffer = (char *)Xmalloc ((unsigned) size)) == NULL) { | |
341 UnlockDisplay(dpy); | |
342 SyncHandle(); | |
343 return(XvBadAlloc); | |
344 } | |
345 _XRead (dpy, buffer, size); | |
346 | |
347 u.buffer = buffer; | |
348 | |
349 /* GET ENCODINGS */ | |
350 | |
351 size = rep.num_encodings*sizeof(SDL_NAME(XvEncodingInfo)); | |
352 if ( (pes = (SDL_NAME(XvEncodingInfo) *)Xmalloc(size)) == NULL) { | |
353 Xfree(buffer); | |
354 UnlockDisplay(dpy); | |
355 SyncHandle(); | |
356 return(XvBadAlloc); | |
357 } | |
358 | |
359 /* INITIALIZE THE ENCODING POINTER */ | |
360 | |
361 pe = pes; | |
362 for (jj=0; jj<rep.num_encodings; jj++) { | |
363 pe->name = (char *)NULL; | |
364 pe->num_encodings = 0; | |
365 pe++; | |
366 } | |
367 | |
368 pe = pes; | |
369 for (jj=0; jj<rep.num_encodings; jj++) { | |
370 pe->encoding_id = u.pe->encoding; | |
371 pe->width = u.pe->width; | |
372 pe->height = u.pe->height; | |
373 pe->rate.numerator = u.pe->rate.numerator; | |
374 pe->rate.denominator = u.pe->rate.denominator; | |
375 pe->num_encodings = rep.num_encodings - jj; | |
376 | |
377 size = u.pe->name_size; | |
378 u.buffer += (sz_xvEncodingInfo + 3) & ~3; | |
379 | |
380 if ( (name = (char *)Xmalloc(size+1)) == NULL) { | |
381 Xfree(buffer); | |
382 UnlockDisplay(dpy); | |
383 SyncHandle(); | |
384 return(XvBadAlloc); | |
385 } | |
386 strncpy(name, u.string, size); | |
387 name[size] = '\0'; | |
388 pe->name = name; | |
389 pe++; | |
390 | |
391 u.buffer += (size + 3) & ~3; | |
392 } | |
393 | |
394 *p_nEncodings = rep.num_encodings; | |
395 *p_pEncodings = pes; | |
396 | |
397 UnlockDisplay(dpy); | |
398 SyncHandle(); | |
399 | |
400 return (Success); | |
401 } | |
402 | |
403 void | |
404 SDL_NAME(XvFreeEncodingInfo)(SDL_NAME(XvEncodingInfo) *pEncodings) | |
405 { | |
406 | |
407 SDL_NAME(XvEncodingInfo) *pe; | |
408 int ii; | |
409 | |
410 if (!pEncodings) return; | |
411 | |
412 pe = pEncodings; | |
413 | |
414 for (ii=0; ii<pEncodings->num_encodings; ii++, pe++) { | |
415 if (pe->name) Xfree(pe->name); | |
416 } | |
417 | |
418 Xfree(pEncodings); | |
419 } | |
420 | |
421 int | |
422 SDL_NAME(XvPutVideo)( | |
423 Display *dpy, | |
424 XvPortID port, | |
425 Drawable d, | |
426 GC gc, | |
427 int vx, int vy, | |
428 unsigned int vw, unsigned int vh, | |
429 int dx, int dy, | |
430 unsigned int dw, unsigned int dh | |
431 ){ | |
432 XExtDisplayInfo *info = xv_find_display(dpy); | |
433 xvPutVideoReq *req; | |
434 | |
435 XvCheckExtension(dpy, info, XvBadExtension); | |
436 | |
437 LockDisplay(dpy); | |
438 | |
439 FlushGC(dpy, gc); | |
440 | |
441 XvGetReq(PutVideo, req); | |
442 | |
443 req->port = port; | |
444 req->drawable = d; | |
445 req->gc = gc->gid; | |
446 req->vid_x = vx; | |
447 req->vid_y = vy; | |
448 req->vid_w = vw; | |
449 req->vid_h = vh; | |
450 req->drw_x = dx; | |
451 req->drw_y = dy; | |
452 req->drw_w = dw; | |
453 req->drw_h = dh; | |
454 | |
455 UnlockDisplay(dpy); | |
456 SyncHandle(); | |
457 | |
458 return Success; | |
459 } | |
460 | |
461 int | |
462 SDL_NAME(XvPutStill)( | |
463 Display *dpy, | |
464 XvPortID port, | |
465 Drawable d, | |
466 GC gc, | |
467 int vx, int vy, | |
468 unsigned int vw, unsigned int vh, | |
469 int dx, int dy, | |
470 unsigned int dw, unsigned int dh | |
471 ){ | |
472 XExtDisplayInfo *info = xv_find_display(dpy); | |
473 xvPutStillReq *req; | |
474 | |
475 XvCheckExtension(dpy, info, XvBadExtension); | |
476 | |
477 LockDisplay(dpy); | |
478 | |
479 FlushGC(dpy, gc); | |
480 | |
481 XvGetReq(PutStill, req); | |
482 req->port = port; | |
483 req->drawable = d; | |
484 req->gc = gc->gid; | |
485 req->vid_x = vx; | |
486 req->vid_y = vy; | |
487 req->vid_w = vw; | |
488 req->vid_h = vh; | |
489 req->drw_x = dx; | |
490 req->drw_y = dy; | |
491 req->drw_w = dw; | |
492 req->drw_h = dh; | |
493 | |
494 UnlockDisplay(dpy); | |
495 SyncHandle(); | |
496 | |
497 return Success; | |
498 } | |
499 | |
500 int | |
501 SDL_NAME(XvGetVideo)( | |
502 Display *dpy, | |
503 XvPortID port, | |
504 Drawable d, | |
505 GC gc, | |
506 int vx, int vy, | |
507 unsigned int vw, unsigned int vh, | |
508 int dx, int dy, | |
509 unsigned int dw, unsigned int dh | |
510 ){ | |
511 XExtDisplayInfo *info = xv_find_display(dpy); | |
512 xvGetVideoReq *req; | |
513 | |
514 XvCheckExtension(dpy, info, XvBadExtension); | |
515 | |
516 LockDisplay(dpy); | |
517 | |
518 FlushGC(dpy, gc); | |
519 | |
520 XvGetReq(GetVideo, req); | |
521 req->port = port; | |
522 req->drawable = d; | |
523 req->gc = gc->gid; | |
524 req->vid_x = vx; | |
525 req->vid_y = vy; | |
526 req->vid_w = vw; | |
527 req->vid_h = vh; | |
528 req->drw_x = dx; | |
529 req->drw_y = dy; | |
530 req->drw_w = dw; | |
531 req->drw_h = dh; | |
532 | |
533 UnlockDisplay(dpy); | |
534 SyncHandle(); | |
535 | |
536 return Success; | |
537 } | |
538 | |
539 int | |
540 SDL_NAME(XvGetStill)( | |
541 Display *dpy, | |
542 XvPortID port, | |
543 Drawable d, | |
544 GC gc, | |
545 int vx, int vy, | |
546 unsigned int vw, unsigned int vh, | |
547 int dx, int dy, | |
548 unsigned int dw, unsigned int dh | |
549 ){ | |
550 XExtDisplayInfo *info = xv_find_display(dpy); | |
551 xvGetStillReq *req; | |
552 | |
553 XvCheckExtension(dpy, info, XvBadExtension); | |
554 | |
555 LockDisplay(dpy); | |
556 | |
557 FlushGC(dpy, gc); | |
558 | |
559 XvGetReq(GetStill, req); | |
560 req->port = port; | |
561 req->drawable = d; | |
562 req->gc = gc->gid; | |
563 req->vid_x = vx; | |
564 req->vid_y = vy; | |
565 req->vid_w = vw; | |
566 req->vid_h = vh; | |
567 req->drw_x = dx; | |
568 req->drw_y = dy; | |
569 req->drw_w = dw; | |
570 req->drw_h = dh; | |
571 | |
572 UnlockDisplay(dpy); | |
573 SyncHandle(); | |
574 | |
575 return Success; | |
576 } | |
577 | |
578 int | |
579 SDL_NAME(XvStopVideo)( | |
580 Display *dpy, | |
581 XvPortID port, | |
582 Drawable draw | |
583 ){ | |
584 XExtDisplayInfo *info = xv_find_display(dpy); | |
585 xvStopVideoReq *req; | |
586 | |
587 XvCheckExtension(dpy, info, XvBadExtension); | |
588 | |
589 LockDisplay(dpy); | |
590 | |
591 XvGetReq(StopVideo, req); | |
592 req->port = port; | |
593 req->drawable = draw; | |
594 | |
595 UnlockDisplay(dpy); | |
596 SyncHandle(); | |
597 | |
598 return Success; | |
599 } | |
600 | |
601 int | |
602 SDL_NAME(XvGrabPort)( | |
603 Display *dpy, | |
604 XvPortID port, | |
605 Time time | |
606 ){ | |
607 XExtDisplayInfo *info = xv_find_display(dpy); | |
608 int result; | |
609 xvGrabPortReply rep; | |
610 xvGrabPortReq *req; | |
611 | |
612 XvCheckExtension(dpy, info, XvBadExtension); | |
613 | |
614 LockDisplay(dpy); | |
615 | |
616 XvGetReq(GrabPort, req); | |
617 req->port = port; | |
618 req->time = time; | |
619 | |
620 if (_XReply (dpy, (xReply *) &rep, 0, xTrue) == 0) | |
621 rep.result = GrabSuccess; | |
622 | |
623 result = rep.result; | |
624 | |
625 UnlockDisplay(dpy); | |
626 SyncHandle(); | |
627 | |
628 return result; | |
629 } | |
630 | |
631 int | |
632 SDL_NAME(XvUngrabPort)( | |
633 Display *dpy, | |
634 XvPortID port, | |
635 Time time | |
636 ){ | |
637 XExtDisplayInfo *info = xv_find_display(dpy); | |
638 xvUngrabPortReq *req; | |
639 | |
640 XvCheckExtension(dpy, info, XvBadExtension); | |
641 | |
642 LockDisplay(dpy); | |
643 | |
644 XvGetReq(UngrabPort, req); | |
645 req->port = port; | |
646 req->time = time; | |
647 | |
648 UnlockDisplay(dpy); | |
649 SyncHandle(); | |
650 | |
651 return Success; | |
652 } | |
653 | |
654 int | |
655 SDL_NAME(XvSelectVideoNotify)( | |
656 Display *dpy, | |
657 Drawable drawable, | |
658 Bool onoff | |
659 ){ | |
660 XExtDisplayInfo *info = xv_find_display(dpy); | |
661 xvSelectVideoNotifyReq *req; | |
662 | |
663 XvCheckExtension(dpy, info, XvBadExtension); | |
664 | |
665 LockDisplay(dpy); | |
666 | |
667 XvGetReq(SelectVideoNotify, req); | |
668 req->drawable = drawable; | |
669 req->onoff = onoff; | |
670 | |
671 UnlockDisplay(dpy); | |
672 SyncHandle(); | |
673 | |
674 return Success; | |
675 } | |
676 | |
677 int | |
678 SDL_NAME(XvSelectPortNotify)( | |
679 Display *dpy, | |
680 XvPortID port, | |
681 Bool onoff | |
682 ){ | |
683 XExtDisplayInfo *info = xv_find_display(dpy); | |
684 xvSelectPortNotifyReq *req; | |
685 | |
686 XvCheckExtension(dpy, info, XvBadExtension); | |
687 | |
688 LockDisplay(dpy); | |
689 | |
690 XvGetReq(SelectPortNotify, req); | |
691 req->port = port; | |
692 req->onoff = onoff; | |
693 | |
694 UnlockDisplay(dpy); | |
695 SyncHandle(); | |
696 | |
697 return Success; | |
698 } | |
699 | |
700 int | |
701 SDL_NAME(XvSetPortAttribute) ( | |
702 Display *dpy, | |
703 XvPortID port, | |
704 Atom attribute, | |
705 int value | |
706 ) | |
707 { | |
708 XExtDisplayInfo *info = xv_find_display(dpy); | |
709 xvSetPortAttributeReq *req; | |
710 | |
711 XvCheckExtension(dpy, info, XvBadExtension); | |
712 | |
713 LockDisplay(dpy); | |
714 | |
715 XvGetReq(SetPortAttribute, req); | |
716 req->port = port; | |
717 req->attribute = attribute; | |
718 req->value = value; | |
719 | |
720 UnlockDisplay(dpy); | |
721 SyncHandle(); | |
722 | |
723 return (Success); | |
724 } | |
725 | |
726 int | |
727 SDL_NAME(XvGetPortAttribute) ( | |
728 Display *dpy, | |
729 XvPortID port, | |
730 Atom attribute, | |
731 int *p_value | |
732 ) | |
733 { | |
734 XExtDisplayInfo *info = xv_find_display(dpy); | |
735 xvGetPortAttributeReq *req; | |
736 xvGetPortAttributeReply rep; | |
737 | |
738 XvCheckExtension(dpy, info, XvBadExtension); | |
739 | |
740 LockDisplay(dpy); | |
741 | |
742 XvGetReq(GetPortAttribute, req); | |
743 req->port = port; | |
744 req->attribute = attribute; | |
745 | |
746 /* READ THE REPLY */ | |
747 | |
748 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
749 UnlockDisplay(dpy); | |
750 SyncHandle(); | |
751 return(XvBadReply); | |
752 } | |
753 | |
754 *p_value = rep.value; | |
755 | |
756 UnlockDisplay(dpy); | |
757 SyncHandle(); | |
758 | |
759 return (Success); | |
760 } | |
761 | |
762 int | |
763 SDL_NAME(XvQueryBestSize)( | |
764 Display *dpy, | |
765 XvPortID port, | |
766 Bool motion, | |
767 unsigned int vid_w, | |
768 unsigned int vid_h, | |
769 unsigned int drw_w, | |
770 unsigned int drw_h, | |
771 unsigned int *p_actual_width, | |
772 unsigned int *p_actual_height | |
773 ) | |
774 { | |
775 XExtDisplayInfo *info = xv_find_display(dpy); | |
776 xvQueryBestSizeReq *req; | |
777 xvQueryBestSizeReply rep; | |
778 | |
779 XvCheckExtension(dpy, info, XvBadExtension); | |
780 | |
781 LockDisplay(dpy); | |
782 | |
783 XvGetReq(QueryBestSize, req); | |
784 req->port = port; | |
785 req->motion = motion; | |
786 req->vid_w = vid_w; | |
787 req->vid_h = vid_h; | |
788 req->drw_w = drw_w; | |
789 req->drw_h = drw_h; | |
790 | |
791 /* READ THE REPLY */ | |
792 | |
793 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
794 UnlockDisplay(dpy); | |
795 SyncHandle(); | |
796 return(XvBadReply); | |
797 } | |
798 | |
799 *p_actual_width = rep.actual_width; | |
800 *p_actual_height = rep.actual_height; | |
801 | |
802 UnlockDisplay(dpy); | |
803 SyncHandle(); | |
804 | |
805 return (Success); | |
806 } | |
807 | |
808 | |
809 SDL_NAME(XvAttribute)* | |
810 SDL_NAME(XvQueryPortAttributes)(Display *dpy, XvPortID port, int *num) | |
811 { | |
812 XExtDisplayInfo *info = xv_find_display(dpy); | |
813 xvQueryPortAttributesReq *req; | |
814 xvQueryPortAttributesReply rep; | |
815 SDL_NAME(XvAttribute) *ret = NULL; | |
816 | |
817 *num = 0; | |
818 | |
819 XvCheckExtension(dpy, info, NULL); | |
820 | |
821 LockDisplay(dpy); | |
822 | |
823 XvGetReq(QueryPortAttributes, req); | |
824 req->port = port; | |
825 | |
826 /* READ THE REPLY */ | |
827 | |
828 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
829 UnlockDisplay(dpy); | |
830 SyncHandle(); | |
831 return ret; | |
832 } | |
833 | |
834 if(rep.num_attributes) { | |
835 int size = (rep.num_attributes * sizeof(SDL_NAME(XvAttribute))) + rep.text_size; | |
836 | |
837 if((ret = Xmalloc(size))) { | |
838 char* marker = (char*)(&ret[rep.num_attributes]); | |
839 xvAttributeInfo Info; | |
840 int i; | |
841 | |
842 for(i = 0; i < rep.num_attributes; i++) { | |
843 _XRead(dpy, (char*)(&Info), sz_xvAttributeInfo); | |
844 ret[i].flags = (int)Info.flags; | |
845 ret[i].min_value = Info.min; | |
846 ret[i].max_value = Info.max; | |
847 ret[i].name = marker; | |
848 _XRead(dpy, marker, Info.size); | |
849 marker += Info.size; | |
850 (*num)++; | |
851 } | |
852 } else | |
853 _XEatData(dpy, rep.length << 2); | |
854 } | |
855 | |
856 UnlockDisplay(dpy); | |
857 SyncHandle(); | |
858 | |
859 return ret; | |
860 } | |
861 | |
862 SDL_NAME(XvImageFormatValues) * SDL_NAME(XvListImageFormats) ( | |
863 Display *dpy, | |
864 XvPortID port, | |
865 int *num | |
866 ){ | |
867 XExtDisplayInfo *info = xv_find_display(dpy); | |
868 xvListImageFormatsReq *req; | |
869 xvListImageFormatsReply rep; | |
870 SDL_NAME(XvImageFormatValues) *ret = NULL; | |
871 | |
872 *num = 0; | |
873 | |
874 XvCheckExtension(dpy, info, NULL); | |
875 | |
876 LockDisplay(dpy); | |
877 | |
878 XvGetReq(ListImageFormats, req); | |
879 req->port = port; | |
880 | |
881 /* READ THE REPLY */ | |
882 | |
883 if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) { | |
884 UnlockDisplay(dpy); | |
885 SyncHandle(); | |
886 return NULL; | |
887 } | |
888 | |
889 if(rep.num_formats) { | |
890 int size = (rep.num_formats * sizeof(SDL_NAME(XvImageFormatValues))); | |
891 | |
892 if((ret = Xmalloc(size))) { | |
893 xvImageFormatInfo Info; | |
894 int i; | |
895 | |
896 for(i = 0; i < rep.num_formats; i++) { | |
897 _XRead(dpy, (char*)(&Info), sz_xvImageFormatInfo); | |
898 ret[i].id = Info.id; | |
899 ret[i].type = Info.type; | |
900 ret[i].byte_order = Info.byte_order; | |
901 memcpy(&(ret[i].guid[0]), &(Info.guid[0]), 16); | |
902 ret[i].bits_per_pixel = Info.bpp; | |
903 ret[i].format = Info.format; | |
904 ret[i].num_planes = Info.num_planes; | |
905 ret[i].depth = Info.depth; | |
906 ret[i].red_mask = Info.red_mask; | |
907 ret[i].green_mask = Info.green_mask; | |
908 ret[i].blue_mask = Info.blue_mask; | |
909 ret[i].y_sample_bits = Info.y_sample_bits; | |
910 ret[i].u_sample_bits = Info.u_sample_bits; | |
911 ret[i].v_sample_bits = Info.v_sample_bits; | |
912 ret[i].horz_y_period = Info.horz_y_period; | |
913 ret[i].horz_u_period = Info.horz_u_period; | |
914 ret[i].horz_v_period = Info.horz_v_period; | |
915 ret[i].vert_y_period = Info.vert_y_period; | |
916 ret[i].vert_u_period = Info.vert_u_period; | |
917 ret[i].vert_v_period = Info.vert_v_period; | |
918 memcpy(&(ret[i].component_order[0]), &(Info.comp_order[0]), 32); | |
919 ret[i].scanline_order = Info.scanline_order; | |
920 (*num)++; | |
921 } | |
922 } else | |
923 _XEatData(dpy, rep.length << 2); | |
924 } | |
925 | |
926 UnlockDisplay(dpy); | |
927 SyncHandle(); | |
928 | |
929 return ret; | |
930 } | |
931 | |
932 SDL_NAME(XvImage) * SDL_NAME(XvCreateImage) ( | |
933 Display *dpy, | |
934 XvPortID port, | |
935 int id, | |
936 char *data, | |
937 int width, | |
938 int height | |
939 ) { | |
940 XExtDisplayInfo *info = xv_find_display(dpy); | |
941 xvQueryImageAttributesReq *req; | |
942 xvQueryImageAttributesReply rep; | |
943 SDL_NAME(XvImage) *ret = NULL; | |
944 | |
945 XvCheckExtension(dpy, info, NULL); | |
946 | |
947 LockDisplay(dpy); | |
948 | |
949 XvGetReq(QueryImageAttributes, req); | |
950 req->id = id; | |
951 req->port = port; | |
952 req->width = width; | |
953 req->height = height; | |
954 | |
955 /* READ THE REPLY */ | |
956 | |
957 if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { | |
958 UnlockDisplay(dpy); | |
959 SyncHandle(); | |
960 return NULL; | |
961 } | |
962 | |
963 if((ret = (SDL_NAME(XvImage)*)Xmalloc(sizeof(SDL_NAME(XvImage)) + (rep.num_planes << 3)))) { | |
964 ret->id = id; | |
965 ret->width = rep.width; | |
966 ret->height = rep.height; | |
967 ret->data_size = rep.data_size; | |
968 ret->num_planes = rep.num_planes; | |
969 ret->pitches = (int*)(&ret[1]); | |
970 ret->offsets = ret->pitches + rep.num_planes; | |
971 ret->data = data; | |
972 ret->obdata = NULL; | |
973 _XRead(dpy, (char*)(ret->pitches), rep.num_planes << 2); | |
974 _XRead(dpy, (char*)(ret->offsets), rep.num_planes << 2); | |
975 } else | |
976 _XEatData(dpy, rep.length << 2); | |
977 | |
978 UnlockDisplay(dpy); | |
979 SyncHandle(); | |
980 | |
981 return ret; | |
982 } | |
983 | |
984 SDL_NAME(XvImage) * SDL_NAME(XvShmCreateImage) ( | |
985 Display *dpy, | |
986 XvPortID port, | |
987 int id, | |
988 char *data, | |
989 int width, | |
990 int height, | |
991 XShmSegmentInfo *shminfo | |
992 ){ | |
993 SDL_NAME(XvImage) *ret; | |
994 | |
995 ret = SDL_NAME(XvCreateImage)(dpy, port, id, data, width, height); | |
996 | |
997 if(ret) ret->obdata = (XPointer)shminfo; | |
998 | |
999 return ret; | |
1000 } | |
1001 | |
1002 int SDL_NAME(XvPutImage) ( | |
1003 Display *dpy, | |
1004 XvPortID port, | |
1005 Drawable d, | |
1006 GC gc, | |
1007 SDL_NAME(XvImage) *image, | |
1008 int src_x, | |
1009 int src_y, | |
1010 unsigned int src_w, | |
1011 unsigned int src_h, | |
1012 int dest_x, | |
1013 int dest_y, | |
1014 unsigned int dest_w, | |
1015 unsigned int dest_h | |
1016 ){ | |
1017 XExtDisplayInfo *info = xv_find_display(dpy); | |
1018 xvPutImageReq *req; | |
1019 int len; | |
1020 | |
1021 XvCheckExtension(dpy, info, XvBadExtension); | |
1022 | |
1023 LockDisplay(dpy); | |
1024 | |
1025 FlushGC(dpy, gc); | |
1026 | |
1027 XvGetReq(PutImage, req); | |
1028 | |
1029 req->port = port; | |
1030 req->drawable = d; | |
1031 req->gc = gc->gid; | |
1032 req->id = image->id; | |
1033 req->src_x = src_x; | |
1034 req->src_y = src_y; | |
1035 req->src_w = src_w; | |
1036 req->src_h = src_h; | |
1037 req->drw_x = dest_x; | |
1038 req->drw_y = dest_y; | |
1039 req->drw_w = dest_w; | |
1040 req->drw_h = dest_h; | |
1041 req->width = image->width; | |
1042 req->height = image->height; | |
1043 | |
1044 len = (image->data_size + 3) >> 2; | |
1045 SetReqLen(req, len, len); | |
1046 | |
1047 /* Yes it's kindof lame that we are sending the whole thing, | |
1048 but for video all of it may be needed even if displaying | |
1049 only a subsection, and I don't want to go through the | |
1050 trouble of creating subregions to send */ | |
1051 Data(dpy, (char *)image->data, image->data_size); | |
1052 | |
1053 UnlockDisplay(dpy); | |
1054 SyncHandle(); | |
1055 | |
1056 return Success; | |
1057 } | |
1058 | |
1059 int SDL_NAME(XvShmPutImage) ( | |
1060 Display *dpy, | |
1061 XvPortID port, | |
1062 Drawable d, | |
1063 GC gc, | |
1064 SDL_NAME(XvImage) *image, | |
1065 int src_x, | |
1066 int src_y, | |
1067 unsigned int src_w, | |
1068 unsigned int src_h, | |
1069 int dest_x, | |
1070 int dest_y, | |
1071 unsigned int dest_w, | |
1072 unsigned int dest_h, | |
1073 Bool send_event | |
1074 ){ | |
1075 XExtDisplayInfo *info = xv_find_display(dpy); | |
1076 XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata; | |
1077 xvShmPutImageReq *req; | |
1078 | |
1079 XvCheckExtension(dpy, info, XvBadExtension); | |
1080 | |
1081 LockDisplay(dpy); | |
1082 | |
1083 FlushGC(dpy, gc); | |
1084 | |
1085 XvGetReq(ShmPutImage, req); | |
1086 | |
1087 req->port = port; | |
1088 req->drawable = d; | |
1089 req->gc = gc->gid; | |
1090 req->shmseg = shminfo->shmseg; | |
1091 req->id = image->id; | |
1092 req->src_x = src_x; | |
1093 req->src_y = src_y; | |
1094 req->src_w = src_w; | |
1095 req->src_h = src_h; | |
1096 req->drw_x = dest_x; | |
1097 req->drw_y = dest_y; | |
1098 req->drw_w = dest_w; | |
1099 req->drw_h = dest_h; | |
1100 req->offset = image->data - shminfo->shmaddr; | |
1101 req->width = image->width; | |
1102 req->height = image->height; | |
1103 req->send_event = send_event; | |
1104 | |
1105 UnlockDisplay(dpy); | |
1106 SyncHandle(); | |
1107 | |
1108 return Success; | |
1109 } | |
1110 | |
1111 | |
1112 static Bool | |
1113 xv_wire_to_event(Display *dpy, XEvent *host, xEvent *wire) | |
1114 { | |
1115 XExtDisplayInfo *info = xv_find_display(dpy); | |
1116 SDL_NAME(XvEvent) *re = (SDL_NAME(XvEvent) *)host; | |
1117 xvEvent *event = (xvEvent *)wire; | |
1118 | |
1119 XvCheckExtension(dpy, info, False); | |
1120 | |
1121 switch((event->u.u.type & 0x7F) - info->codes->first_event) | |
1122 { | |
1123 case XvVideoNotify: | |
1124 re->xvvideo.type = event->u.u.type & 0x7f; | |
1125 re->xvvideo.serial = | |
1126 _XSetLastRequestRead(dpy, (xGenericReply *)event); | |
1127 re->xvvideo.send_event = ((event->u.u.type & 0x80) != 0); | |
1128 re->xvvideo.display = dpy; | |
1129 re->xvvideo.time = event->u.videoNotify.time; | |
1130 re->xvvideo.reason = event->u.videoNotify.reason; | |
1131 re->xvvideo.drawable = event->u.videoNotify.drawable; | |
1132 re->xvvideo.port_id = event->u.videoNotify.port; | |
1133 break; | |
1134 case XvPortNotify: | |
1135 re->xvport.type = event->u.u.type & 0x7f; | |
1136 re->xvport.serial = | |
1137 _XSetLastRequestRead(dpy, (xGenericReply *)event); | |
1138 re->xvport.send_event = ((event->u.u.type & 0x80) != 0); | |
1139 re->xvport.display = dpy; | |
1140 re->xvport.time = event->u.portNotify.time; | |
1141 re->xvport.port_id = event->u.portNotify.port; | |
1142 re->xvport.attribute = event->u.portNotify.attribute; | |
1143 re->xvport.value = event->u.portNotify.value; | |
1144 break; | |
1145 default: | |
1146 return False; | |
1147 } | |
1148 | |
1149 return (True); | |
1150 } | |
1151 | |
1152 |