xserver-multidpi/hw/xfree86/common/xf86xv.h

/*
 * Copyright (c) 1998-2003 by The XFree86 Project, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Except as contained in this notice, the name of the copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */

#ifndef _XF86XV_H_
#define _XF86XV_H_

#include "xvdix.h"
#include "xf86str.h"

#define VIDEO_OVERLAID_IMAGES			0x00000004
#define VIDEO_OVERLAID_STILLS			0x00000008
/*
 * Usage of VIDEO_CLIP_TO_VIEWPORT is not recommended.
 * It can make reput behaviour inconsistent.
 */
#define VIDEO_CLIP_TO_VIEWPORT			0x00000010

typedef XvImageRec XF86ImageRec, *XF86ImagePtr;

typedef struct {
    ScrnInfoPtr pScrn;
    int id;
    unsigned short width, height;
    int *pitches;               /* bytes */
    int *offsets;               /* in bytes from start of framebuffer */
    DevUnion devPrivate;
} XF86SurfaceRec, *XF86SurfacePtr;

typedef int (*PutVideoFuncPtr) (ScrnInfoPtr pScrn,
                                short vid_x, short vid_y, short drw_x,
                                short drw_y, short vid_w, short vid_h,
                                short drw_w, short drw_h, RegionPtr clipBoxes,
                                void *data, DrawablePtr pDraw);
typedef int (*PutStillFuncPtr) (ScrnInfoPtr pScrn, short vid_x, short vid_y,
                                short drw_x, short drw_y, short vid_w,
                                short vid_h, short drw_w, short drw_h,
                                RegionPtr clipBoxes, void *data,
                                DrawablePtr pDraw);
typedef int (*GetVideoFuncPtr) (ScrnInfoPtr pScrn, short vid_x, short vid_y,
                                short drw_x, short drw_y, short vid_w,
                                short vid_h, short drw_w, short drw_h,
                                RegionPtr clipBoxes, void *data,
                                DrawablePtr pDraw);
typedef int (*GetStillFuncPtr) (ScrnInfoPtr pScrn, short vid_x, short vid_y,
                                short drw_x, short drw_y, short vid_w,
                                short vid_h, short drw_w, short drw_h,
                                RegionPtr clipBoxes, void *data,
                                DrawablePtr pDraw);
typedef void (*StopVideoFuncPtr) (ScrnInfoPtr pScrn, void *data, Bool Exit);
typedef int (*SetPortAttributeFuncPtr) (ScrnInfoPtr pScrn, Atom attribute,
                                        INT32 value, void *data);
typedef int (*GetPortAttributeFuncPtr) (ScrnInfoPtr pScrn, Atom attribute,
                                        INT32 *value, void *data);
typedef void (*QueryBestSizeFuncPtr) (ScrnInfoPtr pScrn, Bool motion,
                                      short vid_w, short vid_h, short drw_w,
                                      short drw_h, unsigned int *p_w,
                                      unsigned int *p_h, void *data);
typedef int (*PutImageFuncPtr) (ScrnInfoPtr pScrn, short src_x, short src_y,
                                short drw_x, short drw_y, short src_w,
                                short src_h, short drw_w, short drw_h,
                                int image, unsigned char *buf, short width,
                                short height, Bool Sync, RegionPtr clipBoxes,
                                void *data, DrawablePtr pDraw);
typedef int (*ReputImageFuncPtr) (ScrnInfoPtr pScrn, short src_x, short src_y,
                                  short drw_x, short drw_y, short src_w,
                                  short src_h, short drw_w, short drw_h,
                                  RegionPtr clipBoxes, void *data,
                                  DrawablePtr pDraw);
typedef int (*QueryImageAttributesFuncPtr) (ScrnInfoPtr pScrn, int image,
                                            unsigned short *width,
                                            unsigned short *height,
                                            int *pitches, int *offsets);

typedef enum {
    XV_OFF,
    XV_PENDING,
    XV_ON
} XvStatus;

/*** this is what the driver needs to fill out ***/

typedef struct {
    int id;
    const char *name;
    unsigned short width, height;
    XvRationalRec rate;
} XF86VideoEncodingRec, *XF86VideoEncodingPtr;

typedef struct {
    char depth;
    short class;
} XF86VideoFormatRec, *XF86VideoFormatPtr;

typedef XvAttributeRec XF86AttributeRec, *XF86AttributePtr;

typedef struct {
    unsigned int type;
    int flags;
    const char *name;
    int nEncodings;
    XF86VideoEncodingPtr pEncodings;
    int nFormats;
    XF86VideoFormatPtr pFormats;
    int nPorts;
    DevUnion *pPortPrivates;
    int nAttributes;
    XF86AttributePtr pAttributes;
    int nImages;
    XF86ImagePtr pImages;
    PutVideoFuncPtr PutVideo;
    PutStillFuncPtr PutStill;
    GetVideoFuncPtr GetVideo;
    GetStillFuncPtr GetStill;
    StopVideoFuncPtr StopVideo;
    SetPortAttributeFuncPtr SetPortAttribute;
    GetPortAttributeFuncPtr GetPortAttribute;
    QueryBestSizeFuncPtr QueryBestSize;
    PutImageFuncPtr PutImage;
    ReputImageFuncPtr ReputImage;       /* image/still */
    QueryImageAttributesFuncPtr QueryImageAttributes;
} XF86VideoAdaptorRec, *XF86VideoAdaptorPtr;

typedef struct {
    XF86ImagePtr image;
    int flags;
    int (*alloc_surface) (ScrnInfoPtr pScrn,
                          int id,
                          unsigned short width,
                          unsigned short height, XF86SurfacePtr surface);
    int (*free_surface) (XF86SurfacePtr surface);
    int (*display) (XF86SurfacePtr surface,
                    short vid_x, short vid_y,
                    short drw_x, short drw_y,
                    short vid_w, short vid_h,
                    short drw_w, short drw_h, RegionPtr clipBoxes);
    int (*stop) (XF86SurfacePtr surface);
    int (*getAttribute) (ScrnInfoPtr pScrn, Atom attr, INT32 *value);
    int (*setAttribute) (ScrnInfoPtr pScrn, Atom attr, INT32 value);
    int max_width;
    int max_height;
    int num_attributes;
    XF86AttributePtr attributes;
} XF86OffscreenImageRec, *XF86OffscreenImagePtr;

extern _X_EXPORT Bool
 xf86XVScreenInit(ScreenPtr pScreen, XF86VideoAdaptorPtr * Adaptors, int num);

typedef int (*xf86XVInitGenericAdaptorPtr) (ScrnInfoPtr pScrn,
                                            XF86VideoAdaptorPtr ** Adaptors);

extern _X_EXPORT int
 xf86XVRegisterGenericAdaptorDriver(xf86XVInitGenericAdaptorPtr InitFunc);

extern _X_EXPORT int
 xf86XVListGenericAdaptors(ScrnInfoPtr pScrn, XF86VideoAdaptorPtr ** Adaptors);

extern _X_EXPORT Bool

xf86XVRegisterOffscreenImages(ScreenPtr pScreen,
                              XF86OffscreenImagePtr images, int num);

extern _X_EXPORT XF86OffscreenImagePtr
xf86XVQueryOffscreenImages(ScreenPtr pScreen, int *num);

extern _X_EXPORT XF86VideoAdaptorPtr xf86XVAllocateVideoAdaptorRec(ScrnInfoPtr
                                                                   pScrn);

extern _X_EXPORT void xf86XVFreeVideoAdaptorRec(XF86VideoAdaptorPtr ptr);

extern _X_EXPORT void
 xf86XVFillKeyHelper(ScreenPtr pScreen, CARD32 key, RegionPtr clipboxes);

extern _X_EXPORT void

xf86XVFillKeyHelperDrawable(DrawablePtr pDraw, CARD32 key, RegionPtr clipboxes);

extern _X_EXPORT void

xf86XVFillKeyHelperPort(DrawablePtr pDraw, void *data, CARD32 key,
                        RegionPtr clipboxes, Bool fillEverything);

extern _X_EXPORT Bool

xf86XVClipVideoHelper(BoxPtr dst,
                      INT32 *xa,
                      INT32 *xb,
                      INT32 *ya,
                      INT32 *yb, RegionPtr reg, INT32 width, INT32 height);

extern _X_EXPORT void

xf86XVCopyYUV12ToPacked(const void *srcy,
                        const void *srcv,
                        const void *srcu,
                        void *dst,
                        int srcPitchy,
                        int srcPitchuv, int dstPitch, int h, int w);

extern _X_EXPORT void

xf86XVCopyPacked(const void *src,
                 void *dst, int srcPitch, int dstPitch, int h, int w);

#endif                          /* _XF86XV_H_ */