xvdix.h revision 4642e01f 
1/***********************************************************
2Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts,
3and the Massachusetts Institute of Technology, Cambridge, Massachusetts.
4
5                        All Rights Reserved
6
7Permission to use, copy, modify, and distribute this software and its
8documentation for any purpose and without fee is hereby granted,
9provided that the above copyright notice appear in all copies and that
10both that copyright notice and this permission notice appear in
11supporting documentation, and that the names of Digital or MIT not be
12used in advertising or publicity pertaining to distribution of the
13software without specific, written prior permission.
14
15DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
16ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
17DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
18ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
19WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
20ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
21SOFTWARE.
22
23******************************************************************/
24
25#ifndef XVDIX_H
26#define XVDIX_H
27/*
28** File:
29**
30**   xvdix.h --- Xv device independent header file
31**
32** Author:
33**
34**   David Carver (Digital Workstation Engineering/Project Athena)
35**
36** Revisions:
37**
38**   29.08.91 Carver
39**     - removed UnrealizeWindow wrapper unrealizing windows no longer
40**       preempts video
41**
42**   11.06.91 Carver
43**     - changed SetPortControl to SetPortAttribute
44**     - changed GetPortControl to GetPortAttribute
45**     - changed QueryBestSize
46**
47**   15.05.91 Carver
48**     - version 2.0 upgrade
49**
50**   24.01.91 Carver
51**     - version 1.4 upgrade
52**
53*/
54
55#include "scrnintstr.h"
56#include <X11/extensions/Xvproto.h>
57
58extern unsigned long XvExtensionGeneration;
59extern unsigned long XvScreenGeneration;
60extern unsigned long XvResourceGeneration;
61
62extern int XvReqCode;
63extern int XvEventBase;
64extern int XvErrorBase;
65
66extern unsigned long XvRTPort;
67extern unsigned long XvRTEncoding;
68extern unsigned long XvRTGrab;
69extern unsigned long XvRTVideoNotify;
70extern unsigned long XvRTVideoNotifyList;
71extern unsigned long XvRTPortNotify;
72
73typedef struct {
74  int numerator;
75  int denominator;
76} XvRationalRec, *XvRationalPtr;
77
78typedef struct {
79  char depth;
80  unsigned long visual;
81} XvFormatRec, *XvFormatPtr;
82
83typedef struct {
84  unsigned long id;
85  ClientPtr client;
86} XvGrabRec, *XvGrabPtr;
87
88typedef struct _XvVideoNotifyRec {
89  struct _XvVideoNotifyRec *next;
90  ClientPtr client;
91  unsigned long id;
92  unsigned long mask;
93} XvVideoNotifyRec, *XvVideoNotifyPtr;
94
95typedef struct _XvPortNotifyRec {
96  struct _XvPortNotifyRec *next;
97  ClientPtr client;
98  unsigned long id;
99} XvPortNotifyRec, *XvPortNotifyPtr;
100
101typedef struct {
102  int id;
103  ScreenPtr pScreen;
104  char *name;
105  unsigned short width, height;
106  XvRationalRec rate;
107} XvEncodingRec, *XvEncodingPtr;
108
109typedef struct _XvAttributeRec {
110  int flags;
111  int min_value;
112  int max_value;
113  char *name;
114} XvAttributeRec, *XvAttributePtr;
115
116typedef struct {
117  int id;
118  int type;
119  int byte_order;
120  char guid[16];
121  int bits_per_pixel;
122  int format;
123  int num_planes;
124
125  /* for RGB formats only */
126  int depth;
127  unsigned int red_mask;
128  unsigned int green_mask;
129  unsigned int blue_mask;
130
131  /* for YUV formats only */
132  unsigned int y_sample_bits;
133  unsigned int u_sample_bits;
134  unsigned int v_sample_bits;
135  unsigned int horz_y_period;
136  unsigned int horz_u_period;
137  unsigned int horz_v_period;
138  unsigned int vert_y_period;
139  unsigned int vert_u_period;
140  unsigned int vert_v_period;
141  char component_order[32];
142  int scanline_order;
143} XvImageRec, *XvImagePtr;
144
145typedef struct {
146  unsigned long base_id;
147  unsigned char type;
148  char *name;
149  int nEncodings;
150  XvEncodingPtr pEncodings;
151  int nFormats;
152  XvFormatPtr pFormats;
153  int nAttributes;
154  XvAttributePtr pAttributes;
155  int nImages;
156  XvImagePtr pImages;
157  int nPorts;
158  struct _XvPortRec *pPorts;
159  ScreenPtr pScreen;
160  int (* ddAllocatePort)(unsigned long, struct _XvPortRec*,
161				struct _XvPortRec**);
162  int (* ddFreePort)(struct _XvPortRec*);
163  int (* ddPutVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
164   				INT16, INT16, CARD16, CARD16,
165				INT16, INT16, CARD16, CARD16);
166  int (* ddPutStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
167   				INT16, INT16, CARD16, CARD16,
168				INT16, INT16, CARD16, CARD16);
169  int (* ddGetVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
170   				INT16, INT16, CARD16, CARD16,
171				INT16, INT16, CARD16, CARD16);
172  int (* ddGetStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
173   				INT16, INT16, CARD16, CARD16,
174				INT16, INT16, CARD16, CARD16);
175  int (* ddStopVideo)(ClientPtr, struct _XvPortRec*, DrawablePtr);
176  int (* ddSetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32);
177  int (* ddGetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32*);
178  int (* ddQueryBestSize)(ClientPtr, struct _XvPortRec*, CARD8,
179   				CARD16, CARD16,CARD16, CARD16,
180				unsigned int*, unsigned int*);
181  int (* ddPutImage)(ClientPtr, DrawablePtr, struct _XvPortRec*, GCPtr,
182   				INT16, INT16, CARD16, CARD16,
183				INT16, INT16, CARD16, CARD16,
184				XvImagePtr, unsigned char*, Bool,
185				CARD16, CARD16);
186  int (* ddQueryImageAttributes)(ClientPtr, struct _XvPortRec*, XvImagePtr,
187				CARD16*, CARD16*, int*, int*);
188  DevUnion devPriv;
189} XvAdaptorRec, *XvAdaptorPtr;
190
191typedef struct _XvPortRec {
192  unsigned long id;
193  XvAdaptorPtr pAdaptor;
194  XvPortNotifyPtr pNotify;
195  DrawablePtr pDraw;
196  ClientPtr client;
197  XvGrabRec grab;
198  TimeStamp time;
199  DevUnion devPriv;
200} XvPortRec, *XvPortPtr;
201
202#define LOOKUP_PORT(_id, client)\
203     ((XvPortPtr)LookupIDByType(_id, XvRTPort))
204
205#define LOOKUP_ENCODING(_id, client)\
206     ((XvEncodingPtr)LookupIDByType(_id, XvRTEncoding))
207
208#define LOOKUP_VIDEONOTIFY_LIST(_id, client)\
209     ((XvVideoNotifyPtr)LookupIDByType(_id, XvRTVideoNotifyList))
210
211#define LOOKUP_PORTNOTIFY_LIST(_id, client)\
212     ((XvPortNotifyPtr)LookupIDByType(_id, XvRTPortNotifyList))
213
214typedef struct {
215  int version, revision;
216  int nAdaptors;
217  XvAdaptorPtr pAdaptors;
218  DestroyWindowProcPtr DestroyWindow;
219  DestroyPixmapProcPtr DestroyPixmap;
220  CloseScreenProcPtr CloseScreen;
221  Bool (* ddCloseScreen)(int, ScreenPtr);
222  int (* ddQueryAdaptors)(ScreenPtr, XvAdaptorPtr*, int*);
223  DevUnion devPriv;
224} XvScreenRec, *XvScreenPtr;
225
226#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = ((XvScreenPtr) \
227    dixLookupPrivate(&(pScreen)->devPrivates, XvScreenKey))->field)
228
229#define SCREEN_EPILOGUE(pScreen, field, wrapper)\
230    ((pScreen)->field = wrapper)
231
232/* Errors */
233
234#define _XvBadPort (XvBadPort+XvErrorBase)
235#define _XvBadEncoding (XvBadEncoding+XvErrorBase)
236
237extern int ProcXvDispatch(ClientPtr);
238extern int SProcXvDispatch(ClientPtr);
239
240extern void XvExtensionInit(void);
241extern int XvScreenInit(ScreenPtr);
242extern DevPrivateKey XvGetScreenKey(void);
243extern unsigned long XvGetRTPort(void);
244extern int XvdiSendPortNotify(XvPortPtr, Atom, INT32);
245extern int XvdiVideoStopped(XvPortPtr, int);
246
247extern int XvdiPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
248   				INT16, INT16, CARD16, CARD16,
249				INT16, INT16, CARD16, CARD16);
250extern int XvdiPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
251   				INT16, INT16, CARD16, CARD16,
252				INT16, INT16, CARD16, CARD16);
253extern int XvdiGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
254   				INT16, INT16, CARD16, CARD16,
255				INT16, INT16, CARD16, CARD16);
256extern int XvdiGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
257   				INT16, INT16, CARD16, CARD16,
258				INT16, INT16, CARD16, CARD16);
259extern int XvdiPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
260   				INT16, INT16, CARD16, CARD16,
261				INT16, INT16, CARD16, CARD16,
262				XvImagePtr, unsigned char*, Bool,
263				CARD16, CARD16);
264extern int XvdiSelectVideoNotify(ClientPtr, DrawablePtr, BOOL);
265extern int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL);
266extern int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32);
267extern int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*);
268extern int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr);
269extern int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr);
270extern int XvdiMatchPort(XvPortPtr, DrawablePtr);
271extern int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *);
272extern int XvdiUngrabPort( ClientPtr, XvPortPtr, Time);
273
274
275#if !defined(UNIXCPP)
276
277#define XVCALL(name) Xv##name
278
279#else
280
281#define XVCALL(name) Xv/**/name
282
283#endif
284
285
286#endif /* XVDIX_H */
287
288