vp8/common/common.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef common_h
  13 #define common_h 1
  14
  15 #include <assert.h>
  16
  17 /* Interface header for common constant data structures and lookup tables */
  18
  19 #include "vpx_mem/vpx_mem.h"
  20
  21 #include "common_types.h"
  22
  23 /* Only need this for fixed-size arrays, for structs just assign. */
  24
  25 #define vp8_copy( Dest, Src) { \
  26         assert( sizeof( Dest) == sizeof( Src)); \
  27         vpx_memcpy( Dest, Src, sizeof( Src)); \
  28     }
  29
  30 /* Use this for variably-sized arrays. */
  31
  32 #define vp8_copy_array( Dest, Src, N) { \
  33         assert( sizeof( *Dest) == sizeof( *Src)); \
  34         vpx_memcpy( Dest, Src, N * sizeof( *Src)); \
  35     }
  36
  37 #define vp8_zero( Dest)  vpx_memset( &Dest, 0, sizeof( Dest));
  38
  39 #define vp8_zero_array( Dest, N)  vpx_memset( Dest, 0, N * sizeof( *Dest));
  40
  41
  42 #endif  /* common_h */