src/libXvMC/subpicture.c

   1 #include <assert.h>
   2 #include <X11/Xlib.h>
   3 #include <X11/extensions/Xvlib.h>
   4 #include <X11/extensions/XvMC.h>
   5
   6 Status XvMCCreateSubpicture
   7 (
   8         Display *display,
   9         XvMCContext *context,
  10         XvMCSubpicture *subpicture,
  11         unsigned short width,
  12         unsigned short height,
  13         int xvimage_id
  14 )
  15 {
  16         assert(display);
  17
  18         if (!context)
  19                 return XvMCBadContext;
  20
  21         assert(subpicture);
  22
  23         if (width > 2048 || height > 2048)
  24                 return BadValue;
  25
  26         if (xvimage_id != 123)
  27                 return BadMatch;
  28
  29         subpicture->subpicture_id = XAllocID(display);
  30         subpicture->context_id = context->context_id;
  31         subpicture->xvimage_id = xvimage_id;
  32         subpicture->width = width;
  33         subpicture->height = height;
  34         subpicture->num_palette_entries = 0;
  35         subpicture->entry_bytes = 0;
  36         subpicture->component_order[0] = 0;
  37         subpicture->component_order[1] = 0;
  38         subpicture->component_order[2] = 0;
  39         subpicture->component_order[3] = 0;
  40         /* TODO: subpicture->privData = ;*/
  41
  42         return Success;
  43 }
  44
  45 Status XvMCClearSubpicture
  46 (
  47         Display *display,
  48         XvMCSubpicture *subpicture,
  49         short x,
  50         short y,
  51         unsigned short width,
  52         unsigned short height,
  53         unsigned int color
  54 )
  55 {
  56         assert(display);
  57
  58         if (!subpicture)
  59                 return XvMCBadSubpicture;
  60
  61         /* TODO: Assert clear rect is within bounds? Or clip? */
  62
  63         return Success;
  64 }
  65
  66 Status XvMCCompositeSubpicture
  67 (
  68         Display *display,
  69         XvMCSubpicture *subpicture,
  70         XvImage *image,
  71         short srcx,
  72         short srcy,
  73         unsigned short width,
  74         unsigned short height,
  75         short dstx,
  76         short dsty
  77 )
  78 {
  79         assert(display);
  80
  81         if (!subpicture)
  82                 return XvMCBadSubpicture;
  83
  84         assert(image);
  85
  86         if (subpicture->xvimage_id != image->id)
  87                 return BadMatch;
  88
  89         /* TODO: Assert rects are within bounds? Or clip? */
  90
  91         return Success;
  92 }
  93
  94 Status XvMCDestroySubpicture(Display *display, XvMCSubpicture *subpicture)
  95 {
  96         assert(display);
  97
  98         if (!subpicture)
  99                 return XvMCBadSubpicture;
 100
 101         return BadImplementation;
 102 }
 103
 104 Status XvMCSetSubpicturePalette(Display *display, XvMCSubpicture *subpicture, unsigned char *palette)
 105 {
 106         assert(display);
 107
 108         if (!subpicture)
 109                 return XvMCBadSubpicture;
 110
 111         assert(palette);
 112
 113         /* We don't support paletted subpictures */
 114         return BadMatch;
 115 }
 116
 117 Status XvMCBlendSubpicture
 118 (
 119         Display *display,
 120         XvMCSurface *target_surface,
 121         XvMCSubpicture *subpicture,
 122         short subx,
 123         short suby,
 124         unsigned short subw,
 125         unsigned short subh,
 126         short surfx,
 127         short surfy,
 128         unsigned short surfw,
 129         unsigned short surfh
 130 )
 131 {
 132         assert(display);
 133
 134         if (!target_surface)
 135                 return XvMCBadSurface;
 136
 137         if (!subpicture)
 138                 return XvMCBadSubpicture;
 139
 140         if (target_surface->context_id != subpicture->context_id)
 141                 return BadMatch;
 142
 143         /* TODO: Assert rects are within bounds? Or clip? */
 144         return Success;
 145 }
 146
 147 Status XvMCBlendSubpicture2
 148 (
 149         Display *display,
 150         XvMCSurface *source_surface,
 151         XvMCSurface *target_surface,
 152         XvMCSubpicture *subpicture,
 153         short subx,
 154         short suby,
 155         unsigned short subw,
 156         unsigned short subh,
 157         short surfx,
 158         short surfy,
 159         unsigned short surfw,
 160         unsigned short surfh
 161 )
 162 {
 163         assert(display);
 164
 165         if (!source_surface || !target_surface)
 166                 return XvMCBadSurface;
 167
 168         if (!subpicture)
 169                 return XvMCBadSubpicture;
 170
 171         if (source_surface->context_id != subpicture->context_id)
 172                 return BadMatch;
 173
 174         if (source_surface->context_id != subpicture->context_id)
 175                 return BadMatch;
 176
 177         /* TODO: Assert rects are within bounds? Or clip? */
 178         return Success;
 179 }
 180
 181 Status XvMCSyncSubpicture(Display *display, XvMCSubpicture *subpicture)
 182 {
 183         assert(display);
 184
 185         if (!subpicture)
 186                 return XvMCBadSubpicture;
 187
 188         return Success;
 189 }
 190
 191 Status XvMCFlushSubpicture(Display *display, XvMCSubpicture *subpicture)
 192 {
 193         assert(display);
 194
 195         if (!subpicture)
 196                 return XvMCBadSubpicture;
 197
 198         return Success;
 199 }
 200
 201 Status XvMCGetSubpictureStatus(Display *display, XvMCSubpicture *subpicture, int *status)
 202 {
 203         assert(display);
 204
 205         if (!subpicture)
 206                 return XvMCBadSubpicture;
 207
 208         assert(status);
 209
 210         /* TODO */
 211         *status = 0;
 212
 213         return Success;
 214 }
 215