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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