xvdix.h revision 05b261ec 
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 int  XvScreenIndex;
59extern unsigned long XvExtensionGeneration;
60extern unsigned long XvScreenGeneration;
61extern unsigned long XvResourceGeneration;
62
63extern int XvReqCode;
64extern int XvEventBase;
65extern int XvErrorBase;
66
67extern unsigned long XvRTPort;
68extern unsigned long XvRTEncoding;
69extern unsigned long XvRTGrab;
70extern unsigned long XvRTVideoNotify;
71extern unsigned long XvRTVideoNotifyList;
72extern unsigned long XvRTPortNotify;
73
74typedef struct {
75  int numerator;
76  int denominator;
77} XvRationalRec, *XvRationalPtr;
78
79typedef struct {
80  char depth;
81  unsigned long visual;
82} XvFormatRec, *XvFormatPtr;
83
84typedef struct {
85  unsigned long id;
86  ClientPtr client;
87} XvGrabRec, *XvGrabPtr;
88
89typedef struct _XvVideoNotifyRec {
90  struct _XvVideoNotifyRec *next;
91  ClientPtr client;
92  unsigned long id;
93  unsigned long mask;
94} XvVideoNotifyRec, *XvVideoNotifyPtr;
95
96typedef struct _XvPortNotifyRec {
97  struct _XvPortNotifyRec *next;
98  ClientPtr client;
99  unsigned long id;
100} XvPortNotifyRec, *XvPortNotifyPtr;
101
102typedef struct {
103  int id;
104  ScreenPtr pScreen;
105  char *name;
106  unsigned short width, height;
107  XvRationalRec rate;
108} XvEncodingRec, *XvEncodingPtr;
109
110typedef struct _XvAttributeRec {
111  int flags;
112  int min_value;
113  int max_value;
114  char *name;
115} XvAttributeRec, *XvAttributePtr;
116
117typedef struct {
118  int id;
119  int type;
120  int byte_order;
121  char guid[16];
122  int bits_per_pixel;
123  int format;
124  int num_planes;
125
126  /* for RGB formats only */
127  int depth;
128  unsigned int red_mask;
129  unsigned int green_mask;
130  unsigned int blue_mask;
131
132  /* for YUV formats only */
133  unsigned int y_sample_bits;
134  unsigned int u_sample_bits;
135  unsigned int v_sample_bits;
136  unsigned int horz_y_period;
137  unsigned int horz_u_period;
138  unsigned int horz_v_period;
139  unsigned int vert_y_period;
140  unsigned int vert_u_period;
141  unsigned int vert_v_period;
142  char component_order[32];
143  int scanline_order;
144} XvImageRec, *XvImagePtr;
145
146typedef struct {
147  unsigned long base_id;
148  unsigned char type;
149  char *name;
150  int nEncodings;
151  XvEncodingPtr pEncodings;
152  int nFormats;
153  XvFormatPtr pFormats;
154  int nAttributes;
155  XvAttributePtr pAttributes;
156  int nImages;
157  XvImagePtr pImages;
158  int nPorts;
159  struct _XvPortRec *pPorts;
160  ScreenPtr pScreen;
161  int (* ddAllocatePort)(unsigned long, struct _XvPortRec*,
162				struct _XvPortRec**);
163  int (* ddFreePort)(struct _XvPortRec*);
164  int (* ddPutVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
165   				INT16, INT16, CARD16, CARD16,
166				INT16, INT16, CARD16, CARD16);
167  int (* ddPutStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
168   				INT16, INT16, CARD16, CARD16,
169				INT16, INT16, CARD16, CARD16);
170  int (* ddGetVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
171   				INT16, INT16, CARD16, CARD16,
172				INT16, INT16, CARD16, CARD16);
173  int (* ddGetStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr,
174   				INT16, INT16, CARD16, CARD16,
175				INT16, INT16, CARD16, CARD16);
176  int (* ddStopVideo)(ClientPtr, struct _XvPortRec*, DrawablePtr);
177  int (* ddSetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32);
178  int (* ddGetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32*);
179  int (* ddQueryBestSize)(ClientPtr, struct _XvPortRec*, CARD8,
180   				CARD16, CARD16,CARD16, CARD16,
181				unsigned int*, unsigned int*);
182  int (* ddPutImage)(ClientPtr, DrawablePtr, struct _XvPortRec*, GCPtr,
183   				INT16, INT16, CARD16, CARD16,
184				INT16, INT16, CARD16, CARD16,
185				XvImagePtr, unsigned char*, Bool,
186				CARD16, CARD16);
187  int (* ddQueryImageAttributes)(ClientPtr, struct _XvPortRec*, XvImagePtr,
188				CARD16*, CARD16*, int*, int*);
189  DevUnion devPriv;
190} XvAdaptorRec, *XvAdaptorPtr;
191
192typedef struct _XvPortRec {
193  unsigned long id;
194  XvAdaptorPtr pAdaptor;
195  XvPortNotifyPtr pNotify;
196  DrawablePtr pDraw;
197  ClientPtr client;
198  XvGrabRec grab;
199  TimeStamp time;
200  DevUnion devPriv;
201} XvPortRec, *XvPortPtr;
202
203#define LOOKUP_PORT(_id, client)\
204     ((XvPortPtr)LookupIDByType(_id, XvRTPort))
205
206#define LOOKUP_ENCODING(_id, client)\
207     ((XvEncodingPtr)LookupIDByType(_id, XvRTEncoding))
208
209#define LOOKUP_VIDEONOTIFY_LIST(_id, client)\
210     ((XvVideoNotifyPtr)LookupIDByType(_id, XvRTVideoNotifyList))
211
212#define LOOKUP_PORTNOTIFY_LIST(_id, client)\
213     ((XvPortNotifyPtr)LookupIDByType(_id, XvRTPortNotifyList))
214
215typedef struct {
216  int version, revision;
217  int nAdaptors;
218  XvAdaptorPtr pAdaptors;
219  DestroyWindowProcPtr DestroyWindow;
220  DestroyPixmapProcPtr DestroyPixmap;
221  CloseScreenProcPtr CloseScreen;
222  Bool (* ddCloseScreen)(int, ScreenPtr);
223  int (* ddQueryAdaptors)(ScreenPtr, XvAdaptorPtr*, int*);
224  DevUnion devPriv;
225} XvScreenRec, *XvScreenPtr;
226
227#define SCREEN_PROLOGUE(pScreen, field)\
228  ((pScreen)->field = \
229   ((XvScreenPtr) \
230    (pScreen)->devPrivates[XvScreenIndex].ptr)->field)
231
232#define SCREEN_EPILOGUE(pScreen, field, wrapper)\
233    ((pScreen)->field = wrapper)
234
235/* Errors */
236
237#define _XvBadPort (XvBadPort+XvErrorBase)
238#define _XvBadEncoding (XvBadEncoding+XvErrorBase)
239
240extern int ProcXvDispatch(ClientPtr);
241extern int SProcXvDispatch(ClientPtr);
242
243extern void XvExtensionInit(void);
244extern int XvScreenInit(ScreenPtr);
245extern int XvGetScreenIndex(void);
246extern unsigned long XvGetRTPort(void);
247extern int XvdiSendPortNotify(XvPortPtr, Atom, INT32);
248extern int XvdiVideoStopped(XvPortPtr, int);
249
250extern int XvdiPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
251   				INT16, INT16, CARD16, CARD16,
252				INT16, INT16, CARD16, CARD16);
253extern int XvdiPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
254   				INT16, INT16, CARD16, CARD16,
255				INT16, INT16, CARD16, CARD16);
256extern int XvdiGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
257   				INT16, INT16, CARD16, CARD16,
258				INT16, INT16, CARD16, CARD16);
259extern int XvdiGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
260   				INT16, INT16, CARD16, CARD16,
261				INT16, INT16, CARD16, CARD16);
262extern int XvdiPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr,
263   				INT16, INT16, CARD16, CARD16,
264				INT16, INT16, CARD16, CARD16,
265				XvImagePtr, unsigned char*, Bool,
266				CARD16, CARD16);
267extern int XvdiSelectVideoNotify(ClientPtr, DrawablePtr, BOOL);
268extern int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL);
269extern int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32);
270extern int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*);
271extern int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr);
272extern int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr);
273extern int XvdiMatchPort(XvPortPtr, DrawablePtr);
274extern int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *);
275extern int XvdiUngrabPort( ClientPtr, XvPortPtr, Time);
276
277
278#if !defined(UNIXCPP)
279
280#define XVCALL(name) Xv##name
281
282#else
283
284#define XVCALL(name) Xv/**/name
285
286#endif
287
288
289#endif /* XVDIX_H */
290
291