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| -rw-r--r-- | src/XvMCWrapper.c | 729 |
1 files changed, 729 insertions, 0 deletions
diff --git a/src/XvMCWrapper.c b/src/XvMCWrapper.c new file mode 100644 index 0000000..f8fce51 --- /dev/null +++ b/src/XvMCWrapper.c @@ -0,0 +1,729 @@ +/***************************************************************************** + * XvMC Wrapper including the Nonstandard VLD extension. + * + * Copyright (c) 2004 The Unichrome project. All rights reserved. + * + * + * 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 + * AUTHOR(S) OR COPYRIGHT HOLDER(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. + * + * Author: Thomas Hellström (2004) + */ + +/* + * BUGS: The wrapper really should maintain one symbol table per port. This + * could possibly be impemented, To do that, the port-independent symbols need to be lifted out, + * and one would have to create a number of mapping tables: + * + * port -> symbol table + * context -> port + * surface -> port + * subpicture -> port + * + * and reference the right table when needed. + * This needs to be done only if there is a player that wants to access two displays with different + * hardware simultaneously. Not likely as of today. + */ + +#include <XvMC.h> +#include <vldXvMC.h> +#include <dlfcn.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> + +typedef Bool (*XvMCQueryExtensionP) (Display *, int *, int *); +typedef Status (*XvMCQueryVersionP) (Display *, int *,int *); +typedef XvMCSurfaceInfo * (*XvMCListSurfaceTypesP)(Display *, XvPortID, int *); +typedef Status (* XvMCCreateContextP) (Display *,XvPortID,int ,int ,int ,int ,XvMCContext * ); +typedef Status (*XvMCDestroyContextP) (Display *, XvMCContext * ); +typedef Status (*XvMCCreateSurfaceP)(Display *,XvMCContext *,XvMCSurface *); +typedef Status (*XvMCDestroySurfaceP)(Display *, XvMCSurface *); +typedef XvImageFormatValues * (*XvMCListSubpictureTypesP) (Display *,XvPortID ,int ,int *); +typedef Status (*XvMCPutSurfaceP)(Display *,XvMCSurface *,Drawable ,short , short , unsigned short , + unsigned short ,short ,short ,unsigned short ,unsigned short ,int ); +typedef Status (*XvMCHideSurfaceP)(Display *, XvMCSurface *); +typedef Status (*XvMCCreateSubpictureP) (Display *, XvMCContext *, XvMCSubpicture *, + unsigned short, unsigned short,int); +typedef Status (*XvMCClearSubpictureP) (Display *,XvMCSubpicture *,short,short,unsigned short,unsigned short, + unsigned int); +typedef Status (*XvMCCompositeSubpictureP) (Display *, XvMCSubpicture *,XvImage *,short,short, + unsigned short, unsigned short,short,short); +typedef Status (*XvMCDestroySubpictureP) (Display *, XvMCSubpicture *); +typedef Status (*XvMCSetSubpicturePaletteP) (Display *, XvMCSubpicture *, unsigned char *); +typedef Status (*XvMCBlendSubpictureP) (Display *d,XvMCSurface *,XvMCSubpicture *,short, + short,unsigned short,unsigned short,short,short, + unsigned short,unsigned short); +typedef Status (*XvMCBlendSubpicture2P) (Display *,XvMCSurface *,XvMCSurface *, + XvMCSubpicture *,short,short,unsigned short, + unsigned short,short,short,unsigned short, + unsigned short); +typedef Status (*XvMCSyncSurfaceP) (Display *, XvMCSurface *); +typedef Status (*XvMCFlushSurfaceP) (Display *, XvMCSurface *); +typedef Status (*XvMCGetSurfaceStatusP) (Display *, XvMCSurface *, int *); +typedef Status (*XvMCRenderSurfaceP) (Display *,XvMCContext *,unsigned int,XvMCSurface *, + XvMCSurface *,XvMCSurface *,unsigned int,unsigned int, + unsigned int,XvMCMacroBlockArray *,XvMCBlockArray *); +typedef Status (*XvMCSyncSubpictureP) (Display *, XvMCSubpicture *); +typedef Status (*XvMCFlushSubpictureP) (Display *, XvMCSubpicture *); +typedef Status (*XvMCGetSubpictureStatusP) (Display *, XvMCSubpicture *, int *); +typedef Status (*XvMCCreateBlocksP) (Display *, XvMCContext *,unsigned int,XvMCBlockArray *); +typedef Status (*XvMCDestroyBlocksP) (Display *,XvMCBlockArray *); +typedef Status (*XvMCCreateMacroBlocksP) (Display *,XvMCContext *,unsigned int, + XvMCMacroBlockArray *); +typedef Status (*XvMCDestroyMacroBlocksP) (Display *,XvMCMacroBlockArray *); +typedef XvAttribute *(*XvMCQueryAttributesP) (Display *,XvMCContext *,int *); +typedef Status (*XvMCSetAttributeP) (Display *,XvMCContext *, Atom, int); +typedef Status (*XvMCGetAttributeP) (Display *,XvMCContext *, Atom, int *); + +/* + * Nonstandard VLD acceleration level: + */ + +typedef Status (*XvMCBeginSurfaceP) (Display *,XvMCContext *,XvMCSurface *, + XvMCSurface *,XvMCSurface *f,const XvMCMpegControl *); +typedef Status (*XvMCLoadQMatrixP) (Display *, XvMCContext *,const XvMCQMatrix *); +typedef Status (*XvMCPutSliceP)(Display *,XvMCContext *, char *,int); +typedef Status (*XvMCPutSlice2P)(Display *,XvMCContext *, char *,int, unsigned); +typedef char * (*XvMCDRIGetClientDriverNameP)(Display *, XvPortID); + + +typedef struct { + XvMCQueryExtensionP XvMCQueryExtension; + XvMCQueryVersionP XvMCQueryVersion; + XvMCListSurfaceTypesP XvMCListSurfaceTypes; + XvMCCreateContextP XvMCCreateContext; + XvMCDestroyContextP XvMCDestroyContext; + XvMCCreateSurfaceP XvMCCreateSurface; + XvMCDestroySurfaceP XvMCDestroySurface; + XvMCListSubpictureTypesP XvMCListSubpictureTypes; + XvMCPutSurfaceP XvMCPutSurface; + XvMCHideSurfaceP XvMCHideSurface; + XvMCCreateSubpictureP XvMCCreateSubpicture; + XvMCClearSubpictureP XvMCClearSubpicture; + XvMCCompositeSubpictureP XvMCCompositeSubpicture; + XvMCDestroySubpictureP XvMCDestroySubpicture; + XvMCSetSubpicturePaletteP XvMCSetSubpicturePalette; + XvMCBlendSubpictureP XvMCBlendSubpicture; + XvMCBlendSubpicture2P XvMCBlendSubpicture2; + XvMCSyncSurfaceP XvMCSyncSurface; + XvMCFlushSurfaceP XvMCFlushSurface; + XvMCGetSurfaceStatusP XvMCGetSurfaceStatus; + XvMCRenderSurfaceP XvMCRenderSurface; + XvMCSyncSubpictureP XvMCSyncSubpicture; + XvMCFlushSubpictureP XvMCFlushSubpicture; + XvMCGetSubpictureStatusP XvMCGetSubpictureStatus; + XvMCCreateBlocksP XvMCCreateBlocks; + XvMCDestroyBlocksP XvMCDestroyBlocks; + XvMCCreateMacroBlocksP XvMCCreateMacroBlocks; + XvMCDestroyMacroBlocksP XvMCDestroyMacroBlocks; + XvMCQueryAttributesP XvMCQueryAttributes; + XvMCSetAttributeP XvMCSetAttribute; + XvMCGetAttributeP XvMCGetAttribute; + + /* + * Nonstandard VLD acceleration level: + */ + + XvMCBeginSurfaceP XvMCBeginSurface; + XvMCLoadQMatrixP XvMCLoadQMatrix; + XvMCPutSliceP XvMCPutSlice; + XvMCPutSlice2P XvMCPutSlice2; + + + /* + * Driver name function. + */ + + XvMCDRIGetClientDriverNameP XvMCDRIGetClientDriverName; + + int preInitialised; + int initialised; + int vldextension; +} XvMCWrapper; + +static XvMCWrapper xW; +static int wrapperInit = 0; +static int wrapperPreInit = 0; +static void *xvhandle; +static void *handle2; + +#define BUFLEN 200 + +#define STRS(ARG) STR(ARG) +#define STR(ARG) #ARG + +#define XW_RSYM(base,handle,handle2,pointer, retval) \ + do { \ + register char *err; \ + base.pointer = (pointer##P) dlsym((handle),#pointer); \ + if ((err = dlerror()) != NULL) { \ + if (!handle2) { \ + fprintf(stderr,"%s\n",err); return retval; \ + } \ + base.pointer = (pointer##P) dlsym((handle2),#pointer); \ + if ((err = dlerror()) != NULL) { \ + fprintf(stderr,"%s\n",err); return retval; \ + } \ + } \ + } while (0); + +#define XW_RSYM2(base,handle,handle2,pointer) \ + base.pointer = (pointer##P) dlsym((handle),#pointer); \ + if (dlerror() != NULL) { \ + base.pointer = (pointer##P) dlsym((handle2),#pointer); \ + if (dlerror() != NULL) return; \ + } + + +static int preInitW(Display *dpy) +{ + + /* + * Resolve functions that are not hw driver specific. + */ + + void *handleZ = 0; + + wrapperPreInit = 1; + xW.preInitialised = 0; + xW.initialised = 0; + xvhandle = dlopen("libXv.so", RTLD_LAZY | RTLD_GLOBAL); + if (!xvhandle) { + fprintf(stderr,"XvMCWrapper: Warning! Could not open shared " + "library \"libXv.so\"\nThis may cause relocation " + "errors later.\nError was: \"%s\".\n",dlerror()); + } + handle2 = dlopen("libXvMC.so", RTLD_LAZY | RTLD_GLOBAL); + if (!handle2) { + fprintf(stderr,"XvMCWrapper: Could not load XvMC " + "library \"libXvMC.so\". Failing\n"); + fprintf(stderr,"%s\n",dlerror()); + return 1; + } + XW_RSYM(xW, handle2, handleZ, XvMCQueryExtension, 1); + XW_RSYM(xW, handle2, handleZ, XvMCQueryVersion, 1); + xW.preInitialised = 1; + return 0; +} + +static void initW(Display *dpy, XvPortID port) +{ + char nameBuffer[BUFLEN]; + void *handle; + int tmp; + char *clientName = NULL; + char *err; + FILE *configFile; + int nameLen = 0; + + wrapperInit = 1; + xW.initialised = 0; + + if (!wrapperPreInit) + if (preInitW( dpy )) return; + + /* + * Will the DDX tell us the client driver name? + */ + + xW.XvMCDRIGetClientDriverName = (XvMCDRIGetClientDriverNameP) + dlsym(handle2,"XvMCDRIGetClientDriverName"); + if ((err = dlerror()) == NULL) { + clientName = xW.XvMCDRIGetClientDriverName( dpy, port); + if (clientName) nameLen = strlen(clientName); + } + if (clientName && (nameLen < BUFLEN-7)) { + nameLen += 3; + strncpy(nameBuffer,"lib",BUFLEN-1); + strncpy(nameBuffer+3, clientName, BUFLEN-4); + strncpy(nameBuffer + nameLen, ".so", BUFLEN-nameLen-1); + nameBuffer[BUFLEN-1] = 0; + XFree(clientName); + } else { + + /* + * No. Try to obtain it from the config file. + */ + + configFile = fopen(STRS(XVMC_CONFIGDIR) "/XvMCConfig","r"); + + xW.initialised = 0; + xW.vldextension = 0; + + if (0 == configFile) { + fprintf(stderr,"XvMCWrapper: Could not open config file \"%s\".\n", + STRS(XVMC_CONFIGDIR) "/XvMCConfig"); + perror("XvMCWrapper"); + return; + } + + if (0 == fgets(nameBuffer, BUFLEN, configFile)) { + fclose(configFile); + fprintf(stderr,"XvMCWrapper: Could not read XvMC library name.\n"); + perror("XvMCWrapper"); + return; + } + + fclose(configFile); + if ((tmp = strlen(nameBuffer)) == 0) { + fprintf(stderr,"XvMCWrapper: Zero length XvMC library name.\n"); + fprintf(stderr,"%s\n",dlerror()); + return; + } + + /* + * Skip trailing newlines and garbage. + */ + + while (iscntrl(nameBuffer[tmp-1])) { + nameBuffer[tmp-1] = 0; + if (--tmp == 0) { + fprintf(stderr,"XvMCWrapper: Zero length XvMC library name.\n"); + return; + } + } + } + handle = dlopen(nameBuffer, RTLD_LAZY); + if (!handle) { + fprintf(stderr,"XvMCWrapper: Could not load hardware specific XvMC " + "library \"%s\".\n",nameBuffer); + fprintf(stderr,"%s\n",dlerror()); + return; + } + + XW_RSYM(xW, handle, handle2, XvMCListSurfaceTypes,); + XW_RSYM(xW, handle, handle2, XvMCCreateContext,); + XW_RSYM(xW, handle, handle2, XvMCDestroyContext,); + XW_RSYM(xW, handle, handle2, XvMCCreateSurface,); + XW_RSYM(xW, handle, handle2, XvMCDestroySurface,); + XW_RSYM(xW, handle, handle2, XvMCListSubpictureTypes,); + XW_RSYM(xW, handle, handle2, XvMCHideSurface,); + XW_RSYM(xW, handle, handle2, XvMCCreateSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCClearSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCCompositeSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCDestroySubpicture,); + XW_RSYM(xW, handle, handle2, XvMCSetSubpicturePalette,); + XW_RSYM(xW, handle, handle2, XvMCBlendSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCBlendSubpicture2,); + XW_RSYM(xW, handle, handle2, XvMCPutSurface,); + XW_RSYM(xW, handle, handle2, XvMCSyncSurface,); + XW_RSYM(xW, handle, handle2, XvMCFlushSurface,); + XW_RSYM(xW, handle, handle2, XvMCGetSurfaceStatus,); + XW_RSYM(xW, handle, handle2, XvMCRenderSurface,); + XW_RSYM(xW, handle, handle2, XvMCSyncSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCFlushSubpicture,); + XW_RSYM(xW, handle, handle2, XvMCGetSubpictureStatus,); + XW_RSYM(xW, handle, handle2, XvMCCreateBlocks,); + XW_RSYM(xW, handle, handle2, XvMCDestroyBlocks,); + XW_RSYM(xW, handle, handle2, XvMCCreateMacroBlocks,); + XW_RSYM(xW, handle, handle2, XvMCDestroyMacroBlocks,); + XW_RSYM(xW, handle, handle2, XvMCQueryAttributes,); + XW_RSYM(xW, handle, handle2, XvMCSetAttribute,); + XW_RSYM(xW, handle, handle2, XvMCGetAttribute,); + xW.initialised = 1; + XW_RSYM2(xW, handle, handle2, XvMCBeginSurface); + XW_RSYM(xW, handle, handle2, XvMCLoadQMatrix,); + XW_RSYM(xW, handle, handle2, XvMCPutSlice,); + XW_RSYM(xW, handle, handle2, XvMCPutSlice2,); + xW.vldextension = 1; +} + + +Bool XvMCQueryExtension (Display *display, int *eventBase, int *errBase) +{ + if (!wrapperPreInit) preInitW( display ); + if (!xW.preInitialised) return 0; + return (*xW.XvMCQueryExtension)(display, eventBase, errBase); +} + +Status XvMCQueryVersion (Display *display, int *major_versionp, + int *minor_versionp) +{ + if (!wrapperPreInit) preInitW( display ); + if (!xW.preInitialised) return 0; + return (*xW.XvMCQueryVersion)(display, major_versionp, minor_versionp); +} + + +XvMCSurfaceInfo * XvMCListSurfaceTypes(Display *dpy, XvPortID port, int *num) +{ + if (!wrapperInit) initW( dpy, port); + if (!xW.initialised) return NULL; + return (*xW.XvMCListSurfaceTypes)(dpy, port, num); +} + +Status XvMCCreateContext ( + Display *display, + XvPortID port, + int surface_type_id, + int width, + int height, + int flags, + XvMCContext * context + ) +{ + if (!wrapperInit) initW(display, port); + if (!xW.initialised) return BadValue; + return (*xW.XvMCCreateContext)(display, port, surface_type_id, + width, height, flags, context); +} + +Status XvMCDestroyContext (Display *display, XvMCContext * context) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCDestroyContext)(display, context); +} + +Status +XvMCCreateSurface( + Display *display, + XvMCContext * context, + XvMCSurface * surface + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCCreateSurface)(display, context, surface); +} + +Status XvMCDestroySurface(Display *display, XvMCSurface *surface) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCDestroySurface)(display, surface); +} + + +XvImageFormatValues * XvMCListSubpictureTypes ( + Display * display, + XvPortID port, + int surface_type_id, + int *count_return + ) +{ + if (!xW.initialised) return NULL; + return (*xW.XvMCListSubpictureTypes)(display, port, surface_type_id, + count_return); +} + + +Status +XvMCPutSurface( + Display *display, + XvMCSurface *surface, + Drawable draw, + short srcx, + short srcy, + unsigned short srcw, + unsigned short srch, + short destx, + short desty, + unsigned short destw, + unsigned short desth, + int flags + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCPutSurface)(display, surface, draw, srcx, srcy, srcw, srch, + destx, desty, destw, desth, flags); +} + +Status XvMCHideSurface(Display *display, XvMCSurface *surface) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCHideSurface)(display, surface); +} + + +Status +XvMCCreateSubpicture ( + Display *display, + XvMCContext *context, + XvMCSubpicture *subpicture, + unsigned short width, + unsigned short height, + int xvimage_id + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCCreateSubpicture)(display, context, subpicture, width, height, + xvimage_id); +} + + +Status +XvMCClearSubpicture ( + Display *display, + XvMCSubpicture *subpicture, + short x, + short y, + unsigned short width, + unsigned short height, + unsigned int color + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCClearSubpicture)(display, subpicture, x, y, width, height, color); +} + + +Status +XvMCCompositeSubpicture ( + Display *display, + XvMCSubpicture *subpicture, + XvImage *image, + short srcx, + short srcy, + unsigned short width, + unsigned short height, + short dstx, + short dsty + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCCompositeSubpicture)(display, subpicture, image, srcx, srcy, + width, height, dstx, dsty); +} + +Status +XvMCDestroySubpicture (Display *display, XvMCSubpicture *subpicture) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCDestroySubpicture)(display, subpicture); +} + +Status +XvMCSetSubpicturePalette ( + Display *display, + XvMCSubpicture *subpicture, + unsigned char *palette + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCSetSubpicturePalette)(display, subpicture, palette); +} + + +Status +XvMCBlendSubpicture ( + Display *display, + XvMCSurface *target_surface, + XvMCSubpicture *subpicture, + short subx, + short suby, + unsigned short subw, + unsigned short subh, + short surfx, + short surfy, + unsigned short surfw, + unsigned short surfh + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCBlendSubpicture)(display, target_surface, subpicture, + subx, suby, subw, subh, surfx, surfy, + surfw, surfh); +} + +Status +XvMCBlendSubpicture2 ( + Display *display, + XvMCSurface *source_surface, + XvMCSurface *target_surface, + XvMCSubpicture *subpicture, + short subx, + short suby, + unsigned short subw, + unsigned short subh, + short surfx, + short surfy, + unsigned short surfw, + unsigned short surfh + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCBlendSubpicture2)(display, source_surface, target_surface, subpicture, + subx, suby, subw, subh, surfx, surfy, surfw, surfh); +} + + +Status XvMCSyncSurface (Display *display, XvMCSurface *surface) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCSyncSurface)(display, surface); +} + +Status XvMCFlushSurface (Display *display, XvMCSurface *surface) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCFlushSurface)(display, surface); +} + +Status XvMCGetSurfaceStatus (Display *display, XvMCSurface *surface, int *stat) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCGetSurfaceStatus)(display, surface, stat); +} + +Status XvMCRenderSurface ( + Display *display, + XvMCContext *context, + unsigned int picture_structure, + XvMCSurface *target_surface, + XvMCSurface *past_surface, + XvMCSurface *future_surface, + unsigned int flags, + unsigned int num_macroblocks, + unsigned int first_macroblock, + XvMCMacroBlockArray *macroblock_array, + XvMCBlockArray *blocks + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCRenderSurface)(display, context, picture_structure, target_surface, + past_surface, future_surface, flags, num_macroblocks, + first_macroblock, macroblock_array, blocks); +} + +Status XvMCSyncSubpicture (Display *display, XvMCSubpicture *subpicture) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCSyncSubpicture)(display, subpicture); +} + +Status XvMCFlushSubpicture (Display *display, XvMCSubpicture *subpicture) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCFlushSubpicture)(display, subpicture); +} +Status +XvMCGetSubpictureStatus (Display *display, XvMCSubpicture *subpic, int *stat) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCGetSubpictureStatus)(display, subpic, stat); +} + +Status XvMCCreateBlocks ( + Display *display, + XvMCContext *context, + unsigned int num_blocks, + XvMCBlockArray *block + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCCreateBlocks)(display, context, num_blocks, block); +} + + +Status XvMCDestroyBlocks (Display *display,XvMCBlockArray *block) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCDestroyBlocks)(display, block); +} + +Status XvMCCreateMacroBlocks ( + Display *display, + XvMCContext *context, + unsigned int num_blocks, + XvMCMacroBlockArray *blocks + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCCreateMacroBlocks)(display, context, num_blocks, blocks); +} + + +Status XvMCDestroyMacroBlocks ( + Display *display, + XvMCMacroBlockArray *block + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCDestroyMacroBlocks)(display, block); +} + + +XvAttribute * +XvMCQueryAttributes ( + Display *display, + XvMCContext *context, + int *number + ) +{ + if (!xW.initialised) return NULL; + return (*xW.XvMCQueryAttributes)(display, context, number); +} + + +Status +XvMCSetAttribute ( + Display *display, + XvMCContext *context, + Atom attribute, + int value + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCSetAttribute)(display, context, attribute, value); +} + + +Status +XvMCGetAttribute ( + Display *display, + XvMCContext *context, + Atom attribute, + int *value + ) +{ + if (!xW.initialised) return BadValue; + return (*xW.XvMCGetAttribute)(display, context, attribute, value); +} + + +Status XvMCBeginSurface(Display *display, + XvMCContext *context, + XvMCSurface *target_surface, + XvMCSurface *past_surface, + XvMCSurface *future_surface, + const XvMCMpegControl *control) +{ + if (!xW.vldextension) return BadValue; + return (*xW.XvMCBeginSurface)(display, context, target_surface, past_surface, future_surface, + control); +} + +Status XvMCLoadQMatrix(Display *display, XvMCContext *context, + const XvMCQMatrix *qmx) +{ + if (!xW.vldextension) return BadValue; + return (*xW.XvMCLoadQMatrix)(display, context, qmx); +} + +Status XvMCPutSlice(Display *display,XvMCContext *context, + char *slice, int nBytes) +{ + if (!xW.vldextension) return BadValue; + return (*xW.XvMCPutSlice)(display, context, slice, nBytes); +} + +Status XvMCPutSlice2(Display *display,XvMCContext *context, + char *slice, int nBytes, int sliceCode) +{ + if (!xW.vldextension) return BadValue; + return (*xW.XvMCPutSlice2)(display, context, slice, nBytes, sliceCode); +} |