media/libtheora/lib/internal.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libtheora/lib/internal.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,116 @@
     1.4 +/********************************************************************
     1.5 + *                                                                  *
     1.6 + * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
     1.7 + * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
     1.8 + * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
     1.9 + * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
    1.10 + *                                                                  *
    1.11 + * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
    1.12 + * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
    1.13 + *                                                                  *
    1.14 + ********************************************************************
    1.15 +
    1.16 +  function:
    1.17 +    last mod: $Id: internal.h 17578 2010-10-29 04:21:26Z tterribe $
    1.18 +
    1.19 + ********************************************************************/
    1.20 +#if !defined(_internal_H)
    1.21 +# define _internal_H (1)
    1.22 +# include <stdlib.h>
    1.23 +# include <limits.h>
    1.24 +# if defined(HAVE_CONFIG_H)
    1.25 +#  include "config.h"
    1.26 +# endif
    1.27 +# include "theora/codec.h"
    1.28 +# include "theora/theora.h"
    1.29 +# include "ocintrin.h"
    1.30 +
    1.31 +# if !defined(__GNUC_PREREQ)
    1.32 +#  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
    1.33 +#   define __GNUC_PREREQ(_maj,_min) \
    1.34 + ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
    1.35 +#  else
    1.36 +#   define __GNUC_PREREQ(_maj,_min) 0
    1.37 +#  endif
    1.38 +# endif
    1.39 +
    1.40 +# if defined(_MSC_VER)
    1.41 +/*Disable missing EMMS warnings.*/
    1.42 +#  pragma warning(disable:4799)
    1.43 +/*Thank you Microsoft, I know the order of operations.*/
    1.44 +#  pragma warning(disable:4554)
    1.45 +# endif
    1.46 +/*You, too, gcc.*/
    1.47 +# if __GNUC_PREREQ(4,2)
    1.48 +#  pragma GCC diagnostic ignored "-Wparentheses"
    1.49 +# endif
    1.50 +
    1.51 +/*Some assembly constructs require aligned operands.
    1.52 +  The following macros are _only_ intended for structure member declarations.
    1.53 +  Although they will sometimes work on stack variables, gcc will often silently
    1.54 +   ignore them.
    1.55 +  A separate set of macros could be made for manual stack alignment, but we
    1.56 +   don't actually require it anywhere.*/
    1.57 +# if defined(OC_X86_ASM)||defined(OC_ARM_ASM)
    1.58 +#  if defined(__GNUC__)
    1.59 +#   define OC_ALIGN8(expr) expr __attribute__((aligned(8)))
    1.60 +#   define OC_ALIGN16(expr) expr __attribute__((aligned(16)))
    1.61 +#  elif defined(_MSC_VER)
    1.62 +#   define OC_ALIGN8(expr) __declspec (align(8)) expr
    1.63 +#   define OC_ALIGN16(expr) __declspec (align(16)) expr
    1.64 +#  else
    1.65 +#   error "Alignment macros required for this platform."
    1.66 +#  endif
    1.67 +# endif
    1.68 +# if !defined(OC_ALIGN8)
    1.69 +#  define OC_ALIGN8(expr) expr
    1.70 +# endif
    1.71 +# if !defined(OC_ALIGN16)
    1.72 +#  define OC_ALIGN16(expr) expr
    1.73 +# endif
    1.74 +
    1.75 +
    1.76 +
    1.77 +/*This library's version.*/
    1.78 +# define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)"
    1.79 +
    1.80 +/*Theora bitstream version.*/
    1.81 +# define TH_VERSION_MAJOR (3)
    1.82 +# define TH_VERSION_MINOR (2)
    1.83 +# define TH_VERSION_SUB   (1)
    1.84 +# define TH_VERSION_CHECK(_info,_maj,_min,_sub) \
    1.85 + ((_info)->version_major>(_maj)||(_info)->version_major==(_maj)&& \
    1.86 + ((_info)->version_minor>(_min)||(_info)->version_minor==(_min)&& \
    1.87 + (_info)->version_subminor>=(_sub)))
    1.88 +
    1.89 +
    1.90 +
    1.91 +/*A map from the index in the zig zag scan to the coefficient number in a
    1.92 +   block.*/
    1.93 +extern const unsigned char OC_FZIG_ZAG[128];
    1.94 +/*A map from the coefficient number in a block to its index in the zig zag
    1.95 +   scan.*/
    1.96 +extern const unsigned char OC_IZIG_ZAG[64];
    1.97 +/*A map from physical macro block ordering to bitstream macro block
    1.98 +   ordering within a super block.*/
    1.99 +extern const unsigned char OC_MB_MAP[2][2];
   1.100 +/*A list of the indices in the oc_mb_map array that can be valid for each of
   1.101 +   the various chroma decimation types.*/
   1.102 +extern const unsigned char OC_MB_MAP_IDXS[TH_PF_NFORMATS][12];
   1.103 +/*The number of indices in the oc_mb_map array that can be valid for each of
   1.104 +   the various chroma decimation types.*/
   1.105 +extern const unsigned char OC_MB_MAP_NIDXS[TH_PF_NFORMATS];
   1.106 +
   1.107 +
   1.108 +
   1.109 +int oc_ilog(unsigned _v);
   1.110 +void *oc_aligned_malloc(size_t _sz,size_t _align);
   1.111 +void oc_aligned_free(void *_ptr);
   1.112 +void **oc_malloc_2d(size_t _height,size_t _width,size_t _sz);
   1.113 +void **oc_calloc_2d(size_t _height,size_t _width,size_t _sz);
   1.114 +void oc_free_2d(void *_ptr);
   1.115 +
   1.116 +void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst,
   1.117 + const th_ycbcr_buffer _src);
   1.118 +
   1.119 +#endif

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