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a09e091a JB |
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 | ||
25 | /* | |
26 | ** File: | |
27 | ** | |
28 | ** xvmain.c --- Xv server extension main device independent module. | |
29 | ** | |
30 | ** Author: | |
31 | ** | |
32 | ** David Carver (Digital Workstation Engineering/Project Athena) | |
33 | ** | |
34 | ** Revisions: | |
35 | ** | |
36 | ** 04.09.91 Carver | |
37 | ** - change: stop video always generates an event even when video | |
38 | ** wasn't active | |
39 | ** | |
40 | ** 29.08.91 Carver | |
41 | ** - change: unrealizing windows no longer preempts video | |
42 | ** | |
43 | ** 11.06.91 Carver | |
44 | ** - changed SetPortControl to SetPortAttribute | |
45 | ** - changed GetPortControl to GetPortAttribute | |
46 | ** - changed QueryBestSize | |
47 | ** | |
48 | ** 28.05.91 Carver | |
49 | ** - fixed Put and Get requests to not preempt operations to same drawable | |
50 | ** | |
51 | ** 15.05.91 Carver | |
52 | ** - version 2.0 upgrade | |
53 | ** | |
54 | ** 19.03.91 Carver | |
55 | ** - fixed Put and Get requests to honor grabbed ports. | |
56 | ** - fixed Video requests to update di structure with new drawable, and | |
57 | ** client after calling ddx. | |
58 | ** | |
59 | ** 24.01.91 Carver | |
60 | ** - version 1.4 upgrade | |
61 | ** | |
62 | ** Notes: | |
63 | ** | |
64 | ** Port structures reference client structures in a two different | |
65 | ** ways: when grabs, or video is active. Each reference is encoded | |
66 | ** as fake client resources and thus when the client is goes away so | |
67 | ** does the reference (it is zeroed). No other action is taken, so | |
68 | ** video doesn't necessarily stop. It probably will as a result of | |
69 | ** other resources going away, but if a client starts video using | |
70 | ** none of its own resources, then the video will continue to play | |
71 | ** after the client disappears. | |
72 | ** | |
73 | ** | |
74 | */ | |
75 | ||
76 | #ifdef HAVE_DIX_CONFIG_H | |
77 | #include <dix-config.h> | |
78 | #endif | |
79 | ||
80 | #include <string.h> | |
81 | ||
82 | #include <X11/X.h> | |
83 | #include <X11/Xproto.h> | |
84 | #include "misc.h" | |
85 | #include "os.h" | |
86 | #include "scrnintstr.h" | |
87 | #include "windowstr.h" | |
88 | #include "pixmapstr.h" | |
89 | #include "gc.h" | |
90 | #include "extnsionst.h" | |
91 | #include "extinit.h" | |
92 | #include "dixstruct.h" | |
93 | #include "resource.h" | |
94 | #include "opaque.h" | |
95 | #include "input.h" | |
96 | ||
97 | #define GLOBAL | |
98 | ||
99 | #include <X11/extensions/Xv.h> | |
100 | #include <X11/extensions/Xvproto.h> | |
101 | #include "xvdix.h" | |
102 | ||
103 | #ifdef PANORAMIX | |
104 | #include "panoramiX.h" | |
105 | #include "panoramiXsrv.h" | |
106 | #endif | |
107 | #include "xvdisp.h" | |
108 | ||
109 | static DevPrivateKeyRec XvScreenKeyRec; | |
110 | ||
111 | #define XvScreenKey (&XvScreenKeyRec) | |
112 | unsigned long XvExtensionGeneration = 0; | |
113 | unsigned long XvScreenGeneration = 0; | |
114 | unsigned long XvResourceGeneration = 0; | |
115 | ||
116 | int XvReqCode; | |
117 | int XvEventBase; | |
118 | int XvErrorBase; | |
119 | ||
120 | RESTYPE XvRTPort; | |
121 | RESTYPE XvRTEncoding; | |
122 | RESTYPE XvRTGrab; | |
123 | RESTYPE XvRTVideoNotify; | |
124 | RESTYPE XvRTVideoNotifyList; | |
125 | RESTYPE XvRTPortNotify; | |
126 | ||
127 | /* EXTERNAL */ | |
128 | ||
129 | static void WriteSwappedVideoNotifyEvent(xvEvent *, xvEvent *); | |
130 | static void WriteSwappedPortNotifyEvent(xvEvent *, xvEvent *); | |
131 | static Bool CreateResourceTypes(void); | |
132 | ||
133 | static Bool XvCloseScreen(ScreenPtr); | |
134 | static Bool XvDestroyPixmap(PixmapPtr); | |
135 | static Bool XvDestroyWindow(WindowPtr); | |
136 | static void XvResetProc(ExtensionEntry *); | |
137 | static int XvdiDestroyGrab(pointer, XID); | |
138 | static int XvdiDestroyEncoding(pointer, XID); | |
139 | static int XvdiDestroyVideoNotify(pointer, XID); | |
140 | static int XvdiDestroyPortNotify(pointer, XID); | |
141 | static int XvdiDestroyVideoNotifyList(pointer, XID); | |
142 | static int XvdiDestroyPort(pointer, XID); | |
143 | static int XvdiSendVideoNotify(XvPortPtr, DrawablePtr, int); | |
144 | ||
145 | /* | |
146 | ** XvExtensionInit | |
147 | ** | |
148 | ** | |
149 | */ | |
150 | ||
151 | void | |
152 | XvExtensionInit(void) | |
153 | { | |
154 | ExtensionEntry *extEntry; | |
155 | ||
156 | if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) | |
157 | return; | |
158 | ||
159 | /* Look to see if any screens were initialized; if not then | |
160 | init global variables so the extension can function */ | |
161 | if (XvScreenGeneration != serverGeneration) { | |
162 | if (!CreateResourceTypes()) { | |
163 | ErrorF("XvExtensionInit: Unable to allocate resource types\n"); | |
164 | return; | |
165 | } | |
166 | #ifdef PANORAMIX | |
167 | XineramaRegisterConnectionBlockCallback(XineramifyXv); | |
168 | #endif | |
169 | XvScreenGeneration = serverGeneration; | |
170 | } | |
171 | ||
172 | if (XvExtensionGeneration != serverGeneration) { | |
173 | XvExtensionGeneration = serverGeneration; | |
174 | ||
175 | extEntry = AddExtension(XvName, XvNumEvents, XvNumErrors, | |
176 | ProcXvDispatch, SProcXvDispatch, | |
177 | XvResetProc, StandardMinorOpcode); | |
178 | if (!extEntry) { | |
179 | FatalError("XvExtensionInit: AddExtensions failed\n"); | |
180 | } | |
181 | ||
182 | XvReqCode = extEntry->base; | |
183 | XvEventBase = extEntry->eventBase; | |
184 | XvErrorBase = extEntry->errorBase; | |
185 | ||
186 | EventSwapVector[XvEventBase + XvVideoNotify] = | |
187 | (EventSwapPtr) WriteSwappedVideoNotifyEvent; | |
188 | EventSwapVector[XvEventBase + XvPortNotify] = | |
189 | (EventSwapPtr) WriteSwappedPortNotifyEvent; | |
190 | ||
191 | SetResourceTypeErrorValue(XvRTPort, _XvBadPort); | |
192 | (void) MakeAtom(XvName, strlen(XvName), xTrue); | |
193 | ||
194 | } | |
195 | } | |
196 | ||
197 | static Bool | |
198 | CreateResourceTypes(void) | |
199 | { | |
200 | ||
201 | if (XvResourceGeneration == serverGeneration) | |
202 | return TRUE; | |
203 | ||
204 | XvResourceGeneration = serverGeneration; | |
205 | ||
206 | if (!(XvRTPort = CreateNewResourceType(XvdiDestroyPort, "XvRTPort"))) { | |
207 | ErrorF("CreateResourceTypes: failed to allocate port resource.\n"); | |
208 | return FALSE; | |
209 | } | |
210 | ||
211 | if (!(XvRTGrab = CreateNewResourceType(XvdiDestroyGrab, "XvRTGrab"))) { | |
212 | ErrorF("CreateResourceTypes: failed to allocate grab resource.\n"); | |
213 | return FALSE; | |
214 | } | |
215 | ||
216 | if (!(XvRTEncoding = CreateNewResourceType(XvdiDestroyEncoding, | |
217 | "XvRTEncoding"))) { | |
218 | ErrorF("CreateResourceTypes: failed to allocate encoding resource.\n"); | |
219 | return FALSE; | |
220 | } | |
221 | ||
222 | if (!(XvRTVideoNotify = CreateNewResourceType(XvdiDestroyVideoNotify, | |
223 | "XvRTVideoNotify"))) { | |
224 | ErrorF | |
225 | ("CreateResourceTypes: failed to allocate video notify resource.\n"); | |
226 | return FALSE; | |
227 | } | |
228 | ||
229 | if (! | |
230 | (XvRTVideoNotifyList = | |
231 | CreateNewResourceType(XvdiDestroyVideoNotifyList, | |
232 | "XvRTVideoNotifyList"))) { | |
233 | ErrorF | |
234 | ("CreateResourceTypes: failed to allocate video notify list resource.\n"); | |
235 | return FALSE; | |
236 | } | |
237 | ||
238 | if (!(XvRTPortNotify = CreateNewResourceType(XvdiDestroyPortNotify, | |
239 | "XvRTPortNotify"))) { | |
240 | ErrorF | |
241 | ("CreateResourceTypes: failed to allocate port notify resource.\n"); | |
242 | return FALSE; | |
243 | } | |
244 | ||
245 | return TRUE; | |
246 | ||
247 | } | |
248 | ||
249 | int | |
250 | XvScreenInit(ScreenPtr pScreen) | |
251 | { | |
252 | XvScreenPtr pxvs; | |
253 | ||
254 | if (XvScreenGeneration != serverGeneration) { | |
255 | if (!CreateResourceTypes()) { | |
256 | ErrorF("XvScreenInit: Unable to allocate resource types\n"); | |
257 | return BadAlloc; | |
258 | } | |
259 | #ifdef PANORAMIX | |
260 | XineramaRegisterConnectionBlockCallback(XineramifyXv); | |
261 | #endif | |
262 | XvScreenGeneration = serverGeneration; | |
263 | } | |
264 | ||
265 | if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) | |
266 | return BadAlloc; | |
267 | ||
268 | if (dixLookupPrivate(&pScreen->devPrivates, XvScreenKey)) { | |
269 | ErrorF("XvScreenInit: screen devPrivates ptr non-NULL before init\n"); | |
270 | } | |
271 | ||
272 | /* ALLOCATE SCREEN PRIVATE RECORD */ | |
273 | ||
274 | pxvs = malloc(sizeof(XvScreenRec)); | |
275 | if (!pxvs) { | |
276 | ErrorF("XvScreenInit: Unable to allocate screen private structure\n"); | |
277 | return BadAlloc; | |
278 | } | |
279 | ||
280 | dixSetPrivate(&pScreen->devPrivates, XvScreenKey, pxvs); | |
281 | ||
282 | pxvs->DestroyPixmap = pScreen->DestroyPixmap; | |
283 | pxvs->DestroyWindow = pScreen->DestroyWindow; | |
284 | pxvs->CloseScreen = pScreen->CloseScreen; | |
285 | ||
286 | pScreen->DestroyPixmap = XvDestroyPixmap; | |
287 | pScreen->DestroyWindow = XvDestroyWindow; | |
288 | pScreen->CloseScreen = XvCloseScreen; | |
289 | ||
290 | return Success; | |
291 | } | |
292 | ||
293 | static Bool | |
294 | XvCloseScreen(ScreenPtr pScreen) | |
295 | { | |
296 | ||
297 | XvScreenPtr pxvs; | |
298 | ||
299 | pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); | |
300 | ||
301 | pScreen->DestroyPixmap = pxvs->DestroyPixmap; | |
302 | pScreen->DestroyWindow = pxvs->DestroyWindow; | |
303 | pScreen->CloseScreen = pxvs->CloseScreen; | |
304 | ||
305 | (*pxvs->ddCloseScreen) (pScreen); | |
306 | ||
307 | free(pxvs); | |
308 | ||
309 | dixSetPrivate(&pScreen->devPrivates, XvScreenKey, NULL); | |
310 | ||
311 | return (*pScreen->CloseScreen) (pScreen); | |
312 | } | |
313 | ||
314 | static void | |
315 | XvResetProc(ExtensionEntry * extEntry) | |
316 | { | |
317 | XvResetProcVector(); | |
318 | } | |
319 | ||
320 | DevPrivateKey | |
321 | XvGetScreenKey(void) | |
322 | { | |
323 | return XvScreenKey; | |
324 | } | |
325 | ||
326 | unsigned long | |
327 | XvGetRTPort(void) | |
328 | { | |
329 | return XvRTPort; | |
330 | } | |
331 | ||
332 | static Bool | |
333 | XvDestroyPixmap(PixmapPtr pPix) | |
334 | { | |
335 | Bool status; | |
336 | ScreenPtr pScreen; | |
337 | XvScreenPtr pxvs; | |
338 | XvAdaptorPtr pa; | |
339 | int na; | |
340 | XvPortPtr pp; | |
341 | int np; | |
342 | ||
343 | pScreen = pPix->drawable.pScreen; | |
344 | ||
345 | SCREEN_PROLOGUE(pScreen, DestroyPixmap); | |
346 | ||
347 | pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); | |
348 | ||
349 | /* CHECK TO SEE IF THIS PORT IS IN USE */ | |
350 | ||
351 | pa = pxvs->pAdaptors; | |
352 | na = pxvs->nAdaptors; | |
353 | while (na--) { | |
354 | np = pa->nPorts; | |
355 | pp = pa->pPorts; | |
356 | ||
357 | while (np--) { | |
358 | if (pp->pDraw == (DrawablePtr) pPix) { | |
359 | XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); | |
360 | ||
361 | (void) (*pp->pAdaptor->ddStopVideo) (NULL, pp, pp->pDraw); | |
362 | ||
363 | pp->pDraw = NULL; | |
364 | pp->client = NULL; | |
365 | pp->time = currentTime; | |
366 | } | |
367 | pp++; | |
368 | } | |
369 | pa++; | |
370 | } | |
371 | ||
372 | status = (*pScreen->DestroyPixmap) (pPix); | |
373 | ||
374 | SCREEN_EPILOGUE(pScreen, DestroyPixmap, XvDestroyPixmap); | |
375 | ||
376 | return status; | |
377 | ||
378 | } | |
379 | ||
380 | static Bool | |
381 | XvDestroyWindow(WindowPtr pWin) | |
382 | { | |
383 | Bool status; | |
384 | ScreenPtr pScreen; | |
385 | XvScreenPtr pxvs; | |
386 | XvAdaptorPtr pa; | |
387 | int na; | |
388 | XvPortPtr pp; | |
389 | int np; | |
390 | ||
391 | pScreen = pWin->drawable.pScreen; | |
392 | ||
393 | SCREEN_PROLOGUE(pScreen, DestroyWindow); | |
394 | ||
395 | pxvs = (XvScreenPtr) dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); | |
396 | ||
397 | /* CHECK TO SEE IF THIS PORT IS IN USE */ | |
398 | ||
399 | pa = pxvs->pAdaptors; | |
400 | na = pxvs->nAdaptors; | |
401 | while (na--) { | |
402 | np = pa->nPorts; | |
403 | pp = pa->pPorts; | |
404 | ||
405 | while (np--) { | |
406 | if (pp->pDraw == (DrawablePtr) pWin) { | |
407 | XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); | |
408 | ||
409 | (void) (*pp->pAdaptor->ddStopVideo) (NULL, pp, pp->pDraw); | |
410 | ||
411 | pp->pDraw = NULL; | |
412 | pp->client = NULL; | |
413 | pp->time = currentTime; | |
414 | } | |
415 | pp++; | |
416 | } | |
417 | pa++; | |
418 | } | |
419 | ||
420 | status = (*pScreen->DestroyWindow) (pWin); | |
421 | ||
422 | SCREEN_EPILOGUE(pScreen, DestroyWindow, XvDestroyWindow); | |
423 | ||
424 | return status; | |
425 | ||
426 | } | |
427 | ||
428 | /* The XvdiVideoStopped procedure is a hook for the device dependent layer. | |
429 | It provides a way for the dd layer to inform the di layer that video has | |
430 | stopped in a port for reasons that the di layer had no control over; note | |
431 | that it doesn't call back into the dd layer */ | |
432 | ||
433 | int | |
434 | XvdiVideoStopped(XvPortPtr pPort, int reason) | |
435 | { | |
436 | ||
437 | /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ | |
438 | ||
439 | if (!pPort->pDraw) | |
440 | return Success; | |
441 | ||
442 | XvdiSendVideoNotify(pPort, pPort->pDraw, reason); | |
443 | ||
444 | pPort->pDraw = NULL; | |
445 | pPort->client = NULL; | |
446 | pPort->time = currentTime; | |
447 | ||
448 | return Success; | |
449 | ||
450 | } | |
451 | ||
452 | static int | |
453 | XvdiDestroyPort(pointer pPort, XID id) | |
454 | { | |
455 | return (*((XvPortPtr) pPort)->pAdaptor->ddFreePort) (pPort); | |
456 | } | |
457 | ||
458 | static int | |
459 | XvdiDestroyGrab(pointer pGrab, XID id) | |
460 | { | |
461 | ((XvGrabPtr) pGrab)->client = NULL; | |
462 | return Success; | |
463 | } | |
464 | ||
465 | static int | |
466 | XvdiDestroyVideoNotify(pointer pn, XID id) | |
467 | { | |
468 | /* JUST CLEAR OUT THE client POINTER FIELD */ | |
469 | ||
470 | ((XvVideoNotifyPtr) pn)->client = NULL; | |
471 | return Success; | |
472 | } | |
473 | ||
474 | static int | |
475 | XvdiDestroyPortNotify(pointer pn, XID id) | |
476 | { | |
477 | /* JUST CLEAR OUT THE client POINTER FIELD */ | |
478 | ||
479 | ((XvPortNotifyPtr) pn)->client = NULL; | |
480 | return Success; | |
481 | } | |
482 | ||
483 | static int | |
484 | XvdiDestroyVideoNotifyList(pointer pn, XID id) | |
485 | { | |
486 | XvVideoNotifyPtr npn, cpn; | |
487 | ||
488 | /* ACTUALLY DESTROY THE NOTITY LIST */ | |
489 | ||
490 | cpn = (XvVideoNotifyPtr) pn; | |
491 | ||
492 | while (cpn) { | |
493 | npn = cpn->next; | |
494 | if (cpn->client) | |
495 | FreeResource(cpn->id, XvRTVideoNotify); | |
496 | free(cpn); | |
497 | cpn = npn; | |
498 | } | |
499 | return Success; | |
500 | } | |
501 | ||
502 | static int | |
503 | XvdiDestroyEncoding(pointer value, XID id) | |
504 | { | |
505 | return Success; | |
506 | } | |
507 | ||
508 | static int | |
509 | XvdiSendVideoNotify(XvPortPtr pPort, DrawablePtr pDraw, int reason) | |
510 | { | |
511 | XvVideoNotifyPtr pn; | |
512 | ||
513 | dixLookupResourceByType((pointer *) &pn, pDraw->id, XvRTVideoNotifyList, | |
514 | serverClient, DixReadAccess); | |
515 | ||
516 | while (pn) { | |
517 | xvEvent event = { | |
518 | .u.videoNotify.reason = reason, | |
519 | .u.videoNotify.time = currentTime.milliseconds, | |
520 | .u.videoNotify.drawable = pDraw->id, | |
521 | .u.videoNotify.port = pPort->id | |
522 | }; | |
523 | event.u.u.type = XvEventBase + XvVideoNotify; | |
524 | WriteEventsToClient(pn->client, 1, (xEventPtr) &event); | |
525 | pn = pn->next; | |
526 | } | |
527 | ||
528 | return Success; | |
529 | ||
530 | } | |
531 | ||
532 | int | |
533 | XvdiSendPortNotify(XvPortPtr pPort, Atom attribute, INT32 value) | |
534 | { | |
535 | XvPortNotifyPtr pn; | |
536 | ||
537 | pn = pPort->pNotify; | |
538 | ||
539 | while (pn) { | |
540 | xvEvent event = { | |
541 | .u.portNotify.time = currentTime.milliseconds, | |
542 | .u.portNotify.port = pPort->id, | |
543 | .u.portNotify.attribute = attribute, | |
544 | .u.portNotify.value = value | |
545 | }; | |
546 | event.u.u.type = XvEventBase + XvPortNotify; | |
547 | WriteEventsToClient(pn->client, 1, (xEventPtr) &event); | |
548 | pn = pn->next; | |
549 | } | |
550 | ||
551 | return Success; | |
552 | ||
553 | } | |
554 | ||
555 | #define CHECK_SIZE(dw, dh, sw, sh) { \ | |
556 | if(!dw || !dh || !sw || !sh) return Success; \ | |
557 | /* The region code will break these if they are too large */ \ | |
558 | if((dw > 32767) || (dh > 32767) || (sw > 32767) || (sh > 32767)) \ | |
559 | return BadValue; \ | |
560 | } | |
561 | ||
562 | int | |
563 | XvdiPutVideo(ClientPtr client, | |
564 | DrawablePtr pDraw, | |
565 | XvPortPtr pPort, | |
566 | GCPtr pGC, | |
567 | INT16 vid_x, INT16 vid_y, | |
568 | CARD16 vid_w, CARD16 vid_h, | |
569 | INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) | |
570 | { | |
571 | DrawablePtr pOldDraw; | |
572 | ||
573 | CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); | |
574 | ||
575 | /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ | |
576 | ||
577 | UpdateCurrentTime(); | |
578 | ||
579 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
580 | INFORM CLIENT OF ITS FAILURE */ | |
581 | ||
582 | if (pPort->grab.client && (pPort->grab.client != client)) { | |
583 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
584 | return Success; | |
585 | } | |
586 | ||
587 | /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED | |
588 | EVENTS TO ANY CLIENTS WHO WANT THEM */ | |
589 | ||
590 | pOldDraw = pPort->pDraw; | |
591 | if ((pOldDraw) && (pOldDraw != pDraw)) { | |
592 | XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); | |
593 | } | |
594 | ||
595 | (void) (*pPort->pAdaptor->ddPutVideo) (client, pDraw, pPort, pGC, | |
596 | vid_x, vid_y, vid_w, vid_h, | |
597 | drw_x, drw_y, drw_w, drw_h); | |
598 | ||
599 | if ((pPort->pDraw) && (pOldDraw != pDraw)) { | |
600 | pPort->client = client; | |
601 | XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); | |
602 | } | |
603 | ||
604 | pPort->time = currentTime; | |
605 | ||
606 | return Success; | |
607 | ||
608 | } | |
609 | ||
610 | int | |
611 | XvdiPutStill(ClientPtr client, | |
612 | DrawablePtr pDraw, | |
613 | XvPortPtr pPort, | |
614 | GCPtr pGC, | |
615 | INT16 vid_x, INT16 vid_y, | |
616 | CARD16 vid_w, CARD16 vid_h, | |
617 | INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) | |
618 | { | |
619 | int status; | |
620 | ||
621 | CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); | |
622 | ||
623 | /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ | |
624 | ||
625 | UpdateCurrentTime(); | |
626 | ||
627 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
628 | INFORM CLIENT OF ITS FAILURE */ | |
629 | ||
630 | if (pPort->grab.client && (pPort->grab.client != client)) { | |
631 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
632 | return Success; | |
633 | } | |
634 | ||
635 | pPort->time = currentTime; | |
636 | ||
637 | status = (*pPort->pAdaptor->ddPutStill) (client, pDraw, pPort, pGC, | |
638 | vid_x, vid_y, vid_w, vid_h, | |
639 | drw_x, drw_y, drw_w, drw_h); | |
640 | ||
641 | return status; | |
642 | ||
643 | } | |
644 | ||
645 | int | |
646 | XvdiPutImage(ClientPtr client, | |
647 | DrawablePtr pDraw, | |
648 | XvPortPtr pPort, | |
649 | GCPtr pGC, | |
650 | INT16 src_x, INT16 src_y, | |
651 | CARD16 src_w, CARD16 src_h, | |
652 | INT16 drw_x, INT16 drw_y, | |
653 | CARD16 drw_w, CARD16 drw_h, | |
654 | XvImagePtr image, | |
655 | unsigned char *data, Bool sync, CARD16 width, CARD16 height) | |
656 | { | |
657 | CHECK_SIZE(drw_w, drw_h, src_w, src_h); | |
658 | ||
659 | /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ | |
660 | ||
661 | UpdateCurrentTime(); | |
662 | ||
663 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
664 | INFORM CLIENT OF ITS FAILURE */ | |
665 | ||
666 | if (pPort->grab.client && (pPort->grab.client != client)) { | |
667 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
668 | return Success; | |
669 | } | |
670 | ||
671 | pPort->time = currentTime; | |
672 | ||
673 | return (*pPort->pAdaptor->ddPutImage) (client, pDraw, pPort, pGC, | |
674 | src_x, src_y, src_w, src_h, | |
675 | drw_x, drw_y, drw_w, drw_h, | |
676 | image, data, sync, width, height); | |
677 | } | |
678 | ||
679 | int | |
680 | XvdiGetVideo(ClientPtr client, | |
681 | DrawablePtr pDraw, | |
682 | XvPortPtr pPort, | |
683 | GCPtr pGC, | |
684 | INT16 vid_x, INT16 vid_y, | |
685 | CARD16 vid_w, CARD16 vid_h, | |
686 | INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) | |
687 | { | |
688 | DrawablePtr pOldDraw; | |
689 | ||
690 | CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); | |
691 | ||
692 | /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ | |
693 | ||
694 | UpdateCurrentTime(); | |
695 | ||
696 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
697 | INFORM CLIENT OF ITS FAILURE */ | |
698 | ||
699 | if (pPort->grab.client && (pPort->grab.client != client)) { | |
700 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
701 | return Success; | |
702 | } | |
703 | ||
704 | /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED | |
705 | EVENTS TO ANY CLIENTS WHO WANT THEM */ | |
706 | ||
707 | pOldDraw = pPort->pDraw; | |
708 | if ((pOldDraw) && (pOldDraw != pDraw)) { | |
709 | XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); | |
710 | } | |
711 | ||
712 | (void) (*pPort->pAdaptor->ddGetVideo) (client, pDraw, pPort, pGC, | |
713 | vid_x, vid_y, vid_w, vid_h, | |
714 | drw_x, drw_y, drw_w, drw_h); | |
715 | ||
716 | if ((pPort->pDraw) && (pOldDraw != pDraw)) { | |
717 | pPort->client = client; | |
718 | XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); | |
719 | } | |
720 | ||
721 | pPort->time = currentTime; | |
722 | ||
723 | return Success; | |
724 | ||
725 | } | |
726 | ||
727 | int | |
728 | XvdiGetStill(ClientPtr client, | |
729 | DrawablePtr pDraw, | |
730 | XvPortPtr pPort, | |
731 | GCPtr pGC, | |
732 | INT16 vid_x, INT16 vid_y, | |
733 | CARD16 vid_w, CARD16 vid_h, | |
734 | INT16 drw_x, INT16 drw_y, CARD16 drw_w, CARD16 drw_h) | |
735 | { | |
736 | int status; | |
737 | ||
738 | CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); | |
739 | ||
740 | /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ | |
741 | ||
742 | UpdateCurrentTime(); | |
743 | ||
744 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
745 | INFORM CLIENT OF ITS FAILURE */ | |
746 | ||
747 | if (pPort->grab.client && (pPort->grab.client != client)) { | |
748 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
749 | return Success; | |
750 | } | |
751 | ||
752 | status = (*pPort->pAdaptor->ddGetStill) (client, pDraw, pPort, pGC, | |
753 | vid_x, vid_y, vid_w, vid_h, | |
754 | drw_x, drw_y, drw_w, drw_h); | |
755 | ||
756 | pPort->time = currentTime; | |
757 | ||
758 | return status; | |
759 | ||
760 | } | |
761 | ||
762 | int | |
763 | XvdiGrabPort(ClientPtr client, XvPortPtr pPort, Time ctime, int *p_result) | |
764 | { | |
765 | unsigned long id; | |
766 | TimeStamp time; | |
767 | ||
768 | UpdateCurrentTime(); | |
769 | time = ClientTimeToServerTime(ctime); | |
770 | ||
771 | if (pPort->grab.client && (client != pPort->grab.client)) { | |
772 | *p_result = XvAlreadyGrabbed; | |
773 | return Success; | |
774 | } | |
775 | ||
776 | if ((CompareTimeStamps(time, currentTime) == LATER) || | |
777 | (CompareTimeStamps(time, pPort->time) == EARLIER)) { | |
778 | *p_result = XvInvalidTime; | |
779 | return Success; | |
780 | } | |
781 | ||
782 | if (client == pPort->grab.client) { | |
783 | *p_result = Success; | |
784 | return Success; | |
785 | } | |
786 | ||
787 | id = FakeClientID(client->index); | |
788 | ||
789 | if (!AddResource(id, XvRTGrab, &pPort->grab)) { | |
790 | return BadAlloc; | |
791 | } | |
792 | ||
793 | /* IF THERE IS ACTIVE VIDEO THEN STOP IT */ | |
794 | ||
795 | if ((pPort->pDraw) && (client != pPort->client)) { | |
796 | XvdiStopVideo(NULL, pPort, pPort->pDraw); | |
797 | } | |
798 | ||
799 | pPort->grab.client = client; | |
800 | pPort->grab.id = id; | |
801 | ||
802 | pPort->time = currentTime; | |
803 | ||
804 | *p_result = Success; | |
805 | ||
806 | return Success; | |
807 | ||
808 | } | |
809 | ||
810 | int | |
811 | XvdiUngrabPort(ClientPtr client, XvPortPtr pPort, Time ctime) | |
812 | { | |
813 | TimeStamp time; | |
814 | ||
815 | UpdateCurrentTime(); | |
816 | time = ClientTimeToServerTime(ctime); | |
817 | ||
818 | if ((!pPort->grab.client) || (client != pPort->grab.client)) { | |
819 | return Success; | |
820 | } | |
821 | ||
822 | if ((CompareTimeStamps(time, currentTime) == LATER) || | |
823 | (CompareTimeStamps(time, pPort->time) == EARLIER)) { | |
824 | return Success; | |
825 | } | |
826 | ||
827 | /* FREE THE GRAB RESOURCE; AND SET THE GRAB CLIENT TO NULL */ | |
828 | ||
829 | FreeResource(pPort->grab.id, XvRTGrab); | |
830 | pPort->grab.client = NULL; | |
831 | ||
832 | pPort->time = currentTime; | |
833 | ||
834 | return Success; | |
835 | ||
836 | } | |
837 | ||
838 | int | |
839 | XvdiSelectVideoNotify(ClientPtr client, DrawablePtr pDraw, BOOL onoff) | |
840 | { | |
841 | XvVideoNotifyPtr pn, tpn, fpn; | |
842 | int rc; | |
843 | ||
844 | /* FIND VideoNotify LIST */ | |
845 | ||
846 | rc = dixLookupResourceByType((pointer *) &pn, pDraw->id, | |
847 | XvRTVideoNotifyList, client, DixWriteAccess); | |
848 | if (rc != Success && rc != BadValue) | |
849 | return rc; | |
850 | ||
851 | /* IF ONE DONES'T EXIST AND NO MASK, THEN JUST RETURN */ | |
852 | ||
853 | if (!onoff && !pn) | |
854 | return Success; | |
855 | ||
856 | /* IF ONE DOESN'T EXIST CREATE IT AND ADD A RESOURCE SO THAT THE LIST | |
857 | WILL BE DELETED WHEN THE DRAWABLE IS DESTROYED */ | |
858 | ||
859 | if (!pn) { | |
860 | if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) | |
861 | return BadAlloc; | |
862 | tpn->next = NULL; | |
863 | if (!AddResource(pDraw->id, XvRTVideoNotifyList, tpn)) { | |
864 | free(tpn); | |
865 | return BadAlloc; | |
866 | } | |
867 | } | |
868 | else { | |
869 | /* LOOK TO SEE IF ENTRY ALREADY EXISTS */ | |
870 | ||
871 | fpn = NULL; | |
872 | tpn = pn; | |
873 | while (tpn) { | |
874 | if (tpn->client == client) { | |
875 | if (!onoff) | |
876 | tpn->client = NULL; | |
877 | return Success; | |
878 | } | |
879 | if (!tpn->client) | |
880 | fpn = tpn; /* TAKE NOTE OF FREE ENTRY */ | |
881 | tpn = tpn->next; | |
882 | } | |
883 | ||
884 | /* IF TUNNING OFF, THEN JUST RETURN */ | |
885 | ||
886 | if (!onoff) | |
887 | return Success; | |
888 | ||
889 | /* IF ONE ISN'T FOUND THEN ALLOCATE ONE AND LINK IT INTO THE LIST */ | |
890 | ||
891 | if (fpn) { | |
892 | tpn = fpn; | |
893 | } | |
894 | else { | |
895 | if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) | |
896 | return BadAlloc; | |
897 | tpn->next = pn->next; | |
898 | pn->next = tpn; | |
899 | } | |
900 | } | |
901 | ||
902 | /* INIT CLIENT PTR IN CASE WE CAN'T ADD RESOURCE */ | |
903 | /* ADD RESOURCE SO THAT IF CLIENT EXITS THE CLIENT PTR WILL BE CLEARED */ | |
904 | ||
905 | tpn->client = NULL; | |
906 | tpn->id = FakeClientID(client->index); | |
907 | AddResource(tpn->id, XvRTVideoNotify, tpn); | |
908 | ||
909 | tpn->client = client; | |
910 | return Success; | |
911 | ||
912 | } | |
913 | ||
914 | int | |
915 | XvdiSelectPortNotify(ClientPtr client, XvPortPtr pPort, BOOL onoff) | |
916 | { | |
917 | XvPortNotifyPtr pn, tpn; | |
918 | ||
919 | /* SEE IF CLIENT IS ALREADY IN LIST */ | |
920 | ||
921 | tpn = NULL; | |
922 | pn = pPort->pNotify; | |
923 | while (pn) { | |
924 | if (!pn->client) | |
925 | tpn = pn; /* TAKE NOTE OF FREE ENTRY */ | |
926 | if (pn->client == client) | |
927 | break; | |
928 | pn = pn->next; | |
929 | } | |
930 | ||
931 | /* IS THE CLIENT ALREADY ON THE LIST? */ | |
932 | ||
933 | if (pn) { | |
934 | /* REMOVE IT? */ | |
935 | ||
936 | if (!onoff) { | |
937 | pn->client = NULL; | |
938 | FreeResource(pn->id, XvRTPortNotify); | |
939 | } | |
940 | ||
941 | return Success; | |
942 | } | |
943 | ||
944 | /* DIDN'T FIND IT; SO REUSE LIST ELEMENT IF ONE IS FREE OTHERWISE | |
945 | CREATE A NEW ONE AND ADD IT TO THE BEGINNING OF THE LIST */ | |
946 | ||
947 | if (!tpn) { | |
948 | if (!(tpn = malloc(sizeof(XvPortNotifyRec)))) | |
949 | return BadAlloc; | |
950 | tpn->next = pPort->pNotify; | |
951 | pPort->pNotify = tpn; | |
952 | } | |
953 | ||
954 | tpn->client = client; | |
955 | tpn->id = FakeClientID(client->index); | |
956 | AddResource(tpn->id, XvRTPortNotify, tpn); | |
957 | ||
958 | return Success; | |
959 | ||
960 | } | |
961 | ||
962 | int | |
963 | XvdiStopVideo(ClientPtr client, XvPortPtr pPort, DrawablePtr pDraw) | |
964 | { | |
965 | int status; | |
966 | ||
967 | /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ | |
968 | ||
969 | if (!pPort->pDraw || (pPort->pDraw != pDraw)) { | |
970 | XvdiSendVideoNotify(pPort, pDraw, XvStopped); | |
971 | return Success; | |
972 | } | |
973 | ||
974 | /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN | |
975 | INFORM CLIENT OF ITS FAILURE */ | |
976 | ||
977 | if ((client) && (pPort->grab.client) && (pPort->grab.client != client)) { | |
978 | XvdiSendVideoNotify(pPort, pDraw, XvBusy); | |
979 | return Success; | |
980 | } | |
981 | ||
982 | XvdiSendVideoNotify(pPort, pDraw, XvStopped); | |
983 | ||
984 | status = (*pPort->pAdaptor->ddStopVideo) (client, pPort, pDraw); | |
985 | ||
986 | pPort->pDraw = NULL; | |
987 | pPort->client = (ClientPtr) client; | |
988 | pPort->time = currentTime; | |
989 | ||
990 | return status; | |
991 | ||
992 | } | |
993 | ||
994 | int | |
995 | XvdiPreemptVideo(ClientPtr client, XvPortPtr pPort, DrawablePtr pDraw) | |
996 | { | |
997 | int status; | |
998 | ||
999 | /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ | |
1000 | ||
1001 | if (!pPort->pDraw || (pPort->pDraw != pDraw)) | |
1002 | return Success; | |
1003 | ||
1004 | XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); | |
1005 | ||
1006 | status = (*pPort->pAdaptor->ddStopVideo) (client, pPort, pPort->pDraw); | |
1007 | ||
1008 | pPort->pDraw = NULL; | |
1009 | pPort->client = (ClientPtr) client; | |
1010 | pPort->time = currentTime; | |
1011 | ||
1012 | return status; | |
1013 | ||
1014 | } | |
1015 | ||
1016 | int | |
1017 | XvdiMatchPort(XvPortPtr pPort, DrawablePtr pDraw) | |
1018 | { | |
1019 | ||
1020 | XvAdaptorPtr pa; | |
1021 | XvFormatPtr pf; | |
1022 | int nf; | |
1023 | ||
1024 | pa = pPort->pAdaptor; | |
1025 | ||
1026 | if (pa->pScreen != pDraw->pScreen) | |
1027 | return BadMatch; | |
1028 | ||
1029 | nf = pa->nFormats; | |
1030 | pf = pa->pFormats; | |
1031 | ||
1032 | while (nf--) { | |
1033 | if (pf->depth == pDraw->depth) | |
1034 | return Success; | |
1035 | pf++; | |
1036 | } | |
1037 | ||
1038 | return BadMatch; | |
1039 | ||
1040 | } | |
1041 | ||
1042 | int | |
1043 | XvdiSetPortAttribute(ClientPtr client, | |
1044 | XvPortPtr pPort, Atom attribute, INT32 value) | |
1045 | { | |
1046 | int status; | |
1047 | ||
1048 | status = | |
1049 | (*pPort->pAdaptor->ddSetPortAttribute) (client, pPort, attribute, | |
1050 | value); | |
1051 | if (status == Success) | |
1052 | XvdiSendPortNotify(pPort, attribute, value); | |
1053 | ||
1054 | return status; | |
1055 | } | |
1056 | ||
1057 | int | |
1058 | XvdiGetPortAttribute(ClientPtr client, | |
1059 | XvPortPtr pPort, Atom attribute, INT32 *p_value) | |
1060 | { | |
1061 | ||
1062 | return | |
1063 | (*pPort->pAdaptor->ddGetPortAttribute) (client, pPort, attribute, | |
1064 | p_value); | |
1065 | ||
1066 | } | |
1067 | ||
1068 | static void | |
1069 | WriteSwappedVideoNotifyEvent(xvEvent * from, xvEvent * to) | |
1070 | { | |
1071 | ||
1072 | to->u.u.type = from->u.u.type; | |
1073 | to->u.u.detail = from->u.u.detail; | |
1074 | cpswaps(from->u.videoNotify.sequenceNumber, | |
1075 | to->u.videoNotify.sequenceNumber); | |
1076 | cpswapl(from->u.videoNotify.time, to->u.videoNotify.time); | |
1077 | cpswapl(from->u.videoNotify.drawable, to->u.videoNotify.drawable); | |
1078 | cpswapl(from->u.videoNotify.port, to->u.videoNotify.port); | |
1079 | ||
1080 | } | |
1081 | ||
1082 | static void | |
1083 | WriteSwappedPortNotifyEvent(xvEvent * from, xvEvent * to) | |
1084 | { | |
1085 | ||
1086 | to->u.u.type = from->u.u.type; | |
1087 | to->u.u.detail = from->u.u.detail; | |
1088 | cpswaps(from->u.portNotify.sequenceNumber, to->u.portNotify.sequenceNumber); | |
1089 | cpswapl(from->u.portNotify.time, to->u.portNotify.time); | |
1090 | cpswapl(from->u.portNotify.port, to->u.portNotify.port); | |
1091 | cpswapl(from->u.portNotify.value, to->u.portNotify.value); | |
1092 | ||
1093 | } |