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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2009 Younes Manton.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. #include <assert.h>
  29.  
  30. #include <X11/Xlib.h>
  31. #include <X11/extensions/XvMClib.h>
  32.  
  33. #include "util/u_memory.h"
  34.  
  35. #include "xvmc_private.h"
  36.  
  37. PUBLIC
  38. Status XvMCCreateBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCBlockArray *blocks)
  39. {
  40.    assert(dpy);
  41.  
  42.    if (!context)
  43.       return XvMCBadContext;
  44.    if (num_blocks == 0)
  45.       return BadValue;
  46.  
  47.    assert(blocks);
  48.  
  49.    blocks->context_id = context->context_id;
  50.    blocks->num_blocks = num_blocks;
  51.    blocks->blocks = MALLOC(BLOCK_SIZE_BYTES * num_blocks);
  52.    blocks->privData = NULL;
  53.  
  54.    return Success;
  55. }
  56.  
  57. PUBLIC
  58. Status XvMCDestroyBlocks(Display *dpy, XvMCBlockArray *blocks)
  59. {
  60.    assert(dpy);
  61.    assert(blocks);
  62.    FREE(blocks->blocks);
  63.  
  64.    return Success;
  65. }
  66.  
  67. PUBLIC
  68. Status XvMCCreateMacroBlocks(Display *dpy, XvMCContext *context, unsigned int num_blocks, XvMCMacroBlockArray *blocks)
  69. {
  70.    assert(dpy);
  71.  
  72.    if (!context)
  73.       return XvMCBadContext;
  74.    if (num_blocks == 0)
  75.       return BadValue;
  76.  
  77.    assert(blocks);
  78.  
  79.    blocks->context_id = context->context_id;
  80.    blocks->num_blocks = num_blocks;
  81.    blocks->macro_blocks = MALLOC(sizeof(XvMCMacroBlock) * num_blocks);
  82.    blocks->privData = NULL;
  83.  
  84.    return Success;
  85. }
  86.  
  87. PUBLIC
  88. Status XvMCDestroyMacroBlocks(Display *dpy, XvMCMacroBlockArray *blocks)
  89. {
  90.    assert(dpy);
  91.    assert(blocks);
  92.    FREE(blocks->macro_blocks);
  93.  
  94.    return Success;
  95. }
  96.