godot/thirdparty/libtheora/internal.h

/********************************************************************
 *                                                                  *
 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
 *                                                                  *
 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
 *                                                                  *
 ********************************************************************

  function:
    last mod: $Id$

 ********************************************************************/
#if !defined(_internal_H)
#define _internal_H
# include <stdlib.h>
# include <limits.h>
# if defined(HAVE_CONFIG_H)
#  include "config.h"
# endif
# include "theora/codec.h"
# include "theora/theora.h"
# include "ocintrin.h"

# if !defined(__GNUC_PREREQ)
#  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
#define __GNUC_PREREQ
#  else
#define __GNUC_PREREQ
#  endif
# endif

# if defined(_MSC_VER)
/*Disable missing EMMS warnings.*/
#  pragma warning(disable:4799)
/*Thank you Microsoft, I know the order of operations.*/
#  pragma warning(disable:4554)
# endif
/*You, too, gcc.*/
# if __GNUC_PREREQ(4,2)
#  pragma GCC diagnostic ignored "-Wparentheses"
# endif

/*Some assembly constructs require aligned operands.
  The following macros are _only_ intended for structure member declarations.
  Although they will sometimes work on stack variables, gcc will often silently
   ignore them.
  A separate set of macros could be made for manual stack alignment, but we
   don't actually require it anywhere.*/
# if defined(OC_X86_ASM)||defined(OC_ARM_ASM)
#  if defined(__GNUC__)
#define OC_ALIGN8(expr)
#define OC_ALIGN16(expr)
#  elif defined(_MSC_VER)
#define OC_ALIGN8
#define OC_ALIGN16
#  else
#   error "Alignment macros required for this platform."
#  endif
# endif
# if !defined(OC_ALIGN8)
#define OC_ALIGN8
# endif
# if !defined(OC_ALIGN16)
#define OC_ALIGN16
# endif



/*This library's version.*/
#define OC_VENDOR_STRING

/*Theora bitstream version.*/
#define TH_VERSION_MAJOR
#define TH_VERSION_MINOR
#define TH_VERSION_SUB
#define TH_VERSION_CHECK(_info,_maj,_min,_sub)



/*A map from the index in the zig zag scan to the coefficient number in a
   block.*/
extern const unsigned char OC_FZIG_ZAG[128];
/*A map from the coefficient number in a block to its index in the zig zag
   scan.*/
extern const unsigned char OC_IZIG_ZAG[64];
/*A map from physical macro block ordering to bitstream macro block
   ordering within a super block.*/
extern const unsigned char OC_MB_MAP[2][2];
/*A list of the indices in the oc_mb_map array that can be valid for each of
   the various chroma decimation types.*/
extern const unsigned char OC_MB_MAP_IDXS[TH_PF_NFORMATS][12];
/*The number of indices in the oc_mb_map array that can be valid for each of
   the various chroma decimation types.*/
extern const unsigned char OC_MB_MAP_NIDXS[TH_PF_NFORMATS];



int oc_ilog(unsigned _v);
void *oc_aligned_malloc(size_t _sz,size_t _align);
void oc_aligned_free(void *_ptr);
void **oc_malloc_2d(size_t _height,size_t _width,size_t _sz);
void **oc_calloc_2d(size_t _height,size_t _width,size_t _sz);
void oc_free_2d(void *_ptr);

void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst,
 const th_ycbcr_buffer _src);

#endif