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      1 #include "xorg_tracker.h"
      2 
      3 #include <xf86.h>
      4 #include <xf86xv.h>
      5 #include <xf86xvmc.h>
      6 #include <X11/extensions/Xv.h>
      7 #include <X11/extensions/XvMC.h>
      8 #include <fourcc.h>
      9 
     10 #define FOURCC_RGB 0x0000003
     11 #define XVIMAGE_RGB								\
     12 {										\
     13 	FOURCC_RGB,								\
     14 	XvRGB,									\
     15 	LSBFirst,								\
     16 	{									\
     17 		'R', 'G', 'B', 0x00,						\
     18 		0x00,0x00,0x00,0x10,0x80,0x00,0x00,0xAA,0x00,0x38,0x9B,0x71	\
     19 	},									\
     20 	32,									\
     21 	XvPacked,								\
     22 	1,									\
     23 	24, 0x00FF0000, 0x0000FF00, 0x000000FF,					\
     24 	0, 0, 0,								\
     25 	0, 0, 0,								\
     26 	0, 0, 0,								\
     27 	{									\
     28 		'B','G','R','X',						\
     29 		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0		\
     30 	},									\
     31 	XvTopToBottom								\
     32 }
     33 
     34 static int subpicture_index_list[] = {
     35    FOURCC_RGB,
     36    FOURCC_IA44,
     37    FOURCC_AI44
     38 };
     39 
     40 static XF86MCImageIDList subpicture_list =
     41 {
     42    sizeof(subpicture_index_list)/sizeof(*subpicture_index_list),
     43    subpicture_index_list
     44 };
     45 
     46 static XF86MCSurfaceInfoRec yv12_mpeg2_surface =
     47 {
     48    FOURCC_I420,
     49    XVMC_CHROMA_FORMAT_420,
     50    0,
     51    2048, 2048, 2048, 2048,
     52    XVMC_IDCT | XVMC_MPEG_2,
     53    XVMC_SUBPICTURE_INDEPENDENT_SCALING | XVMC_BACKEND_SUBPICTURE,
     54    &subpicture_list
     55 };
     56 
     57 static const XF86MCSurfaceInfoRec uyvy_mpeg2_surface =
     58 {
     59    FOURCC_UYVY,
     60    XVMC_CHROMA_FORMAT_422,
     61    0,
     62    2048, 2048, 2048, 2048,
     63    XVMC_IDCT | XVMC_MPEG_2,
     64    XVMC_SUBPICTURE_INDEPENDENT_SCALING | XVMC_BACKEND_SUBPICTURE,
     65    &subpicture_list
     66 };
     67 
     68 static XF86MCSurfaceInfoPtr surfaces[] =
     69 {
     70    (XF86MCSurfaceInfoPtr)&yv12_mpeg2_surface,
     71    (XF86MCSurfaceInfoPtr)&uyvy_mpeg2_surface
     72 };
     73 
     74 static const XF86ImageRec rgb_subpicture = XVIMAGE_RGB;
     75 static const XF86ImageRec ia44_subpicture = XVIMAGE_IA44;
     76 static const XF86ImageRec ai44_subpicture = XVIMAGE_AI44;
     77 
     78 static XF86ImagePtr subpictures[] =
     79 {
     80    (XF86ImagePtr)&rgb_subpicture,
     81    (XF86ImagePtr)&ia44_subpicture,
     82    (XF86ImagePtr)&ai44_subpicture
     83 };
     84 
     85 static const XF86MCAdaptorRec adaptor_template =
     86 {
     87    "",
     88    sizeof(surfaces)/sizeof(*surfaces),
     89    surfaces,
     90    sizeof(subpictures)/sizeof(*subpictures),
     91    subpictures,
     92    (xf86XvMCCreateContextProcPtr)NULL,
     93    (xf86XvMCDestroyContextProcPtr)NULL,
     94    (xf86XvMCCreateSurfaceProcPtr)NULL,
     95    (xf86XvMCDestroySurfaceProcPtr)NULL,
     96    (xf86XvMCCreateSubpictureProcPtr)NULL,
     97    (xf86XvMCDestroySubpictureProcPtr)NULL
     98 };
     99 
    100 void
    101 xorg_xvmc_init(ScreenPtr pScreen, char *name)
    102 {
    103    ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
    104    XF86MCAdaptorPtr adaptorXvMC = xf86XvMCCreateAdaptorRec();
    105    if (!adaptorXvMC)
    106       return;
    107 
    108    *adaptorXvMC = adaptor_template;
    109    adaptorXvMC->name = name;
    110    xf86DrvMsg(pScrn->scrnIndex, X_INFO,
    111               "[XvMC] Associated with %s.\n", name);
    112    if (!xf86XvMCScreenInit(pScreen, 1, &adaptorXvMC))
    113       xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
    114                  "[XvMC] Failed to initialize extension.\n");
    115    else
    116       xf86DrvMsg(pScrn->scrnIndex, X_INFO,
    117                  "[XvMC] Extension initialized.\n");
    118    xf86XvMCDestroyAdaptorRec(adaptorXvMC);
    119 }
    120