src/gallium/state_trackers/xorg/xvmc/block.c

   1 #include <assert.h>
   2 #include <X11/Xlib.h>
   3 #include <X11/extensions/XvMClib.h>
   4 #include <util/u_memory.h>
   5 #include "xvmc_private.h"
   6
   7 Status XvMCCreateBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCBlockArray *blocks)
   8 {
   9    assert(dpy);
  10
  11    if (!context)
  12       return XvMCBadContext;
  13    if (num_blocks == 0)
  14       return BadValue;
  15
  16    assert(blocks);
  17
  18    blocks->context_id = context->context_id;
  19    blocks->num_blocks = num_blocks;
  20    blocks->blocks = MALLOC(BLOCK_SIZE_BYTES * num_blocks);
  21    blocks->privData = NULL;
  22
  23    return Success;
  24 }
  25
  26 Status XvMCDestroyBlocks(Display *dpy, XvMCBlockArray *blocks)
  27 {
  28    assert(dpy);
  29    assert(blocks);
  30    FREE(blocks->blocks);
  31
  32    return Success;
  33 }
  34
  35 Status XvMCCreateMacroBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCMacroBlockArray *blocks)
  36 {
  37    assert(dpy);
  38
  39    if (!context)
  40       return XvMCBadContext;
  41    if (num_blocks == 0)
  42       return BadValue;
  43
  44    assert(blocks);
  45
  46    blocks->context_id = context->context_id;
  47    blocks->num_blocks = num_blocks;
  48    blocks->macro_blocks = MALLOC(sizeof(XvMCMacroBlock) * num_blocks);
  49    blocks->privData = NULL;
  50
  51    return Success;
  52 }
  53
  54 Status XvMCDestroyMacroBlocks(Display *dpy, XvMCMacroBlockArray *blocks)
  55 {
  56    assert(dpy);
  57    assert(blocks);
  58    FREE(blocks->macro_blocks);
  59
  60    return Success;
  61 }