michael@0: /********************************************************************
michael@0:  *                                                                  *
michael@0:  * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
michael@0:  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
michael@0:  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
michael@0:  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
michael@0:  *                                                                  *
michael@0:  * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
michael@0:  * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
michael@0:  *                                                                  *
michael@0:  ********************************************************************
michael@0: 
michael@0:   function:
michael@0:     last mod: $Id: internal.h 17578 2010-10-29 04:21:26Z tterribe $
michael@0: 
michael@0:  ********************************************************************/
michael@0: #if !defined(_internal_H)
michael@0: # define _internal_H (1)
michael@0: # include <stdlib.h>
michael@0: # include <limits.h>
michael@0: # if defined(HAVE_CONFIG_H)
michael@0: #  include "config.h"
michael@0: # endif
michael@0: # include "theora/codec.h"
michael@0: # include "theora/theora.h"
michael@0: # include "ocintrin.h"
michael@0: 
michael@0: # if !defined(__GNUC_PREREQ)
michael@0: #  if defined(__GNUC__)&&defined(__GNUC_MINOR__)
michael@0: #   define __GNUC_PREREQ(_maj,_min) \
michael@0:  ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min))
michael@0: #  else
michael@0: #   define __GNUC_PREREQ(_maj,_min) 0
michael@0: #  endif
michael@0: # endif
michael@0: 
michael@0: # if defined(_MSC_VER)
michael@0: /*Disable missing EMMS warnings.*/
michael@0: #  pragma warning(disable:4799)
michael@0: /*Thank you Microsoft, I know the order of operations.*/
michael@0: #  pragma warning(disable:4554)
michael@0: # endif
michael@0: /*You, too, gcc.*/
michael@0: # if __GNUC_PREREQ(4,2)
michael@0: #  pragma GCC diagnostic ignored "-Wparentheses"
michael@0: # endif
michael@0: 
michael@0: /*Some assembly constructs require aligned operands.
michael@0:   The following macros are _only_ intended for structure member declarations.
michael@0:   Although they will sometimes work on stack variables, gcc will often silently
michael@0:    ignore them.
michael@0:   A separate set of macros could be made for manual stack alignment, but we
michael@0:    don't actually require it anywhere.*/
michael@0: # if defined(OC_X86_ASM)||defined(OC_ARM_ASM)
michael@0: #  if defined(__GNUC__)
michael@0: #   define OC_ALIGN8(expr) expr __attribute__((aligned(8)))
michael@0: #   define OC_ALIGN16(expr) expr __attribute__((aligned(16)))
michael@0: #  elif defined(_MSC_VER)
michael@0: #   define OC_ALIGN8(expr) __declspec (align(8)) expr
michael@0: #   define OC_ALIGN16(expr) __declspec (align(16)) expr
michael@0: #  else
michael@0: #   error "Alignment macros required for this platform."
michael@0: #  endif
michael@0: # endif
michael@0: # if !defined(OC_ALIGN8)
michael@0: #  define OC_ALIGN8(expr) expr
michael@0: # endif
michael@0: # if !defined(OC_ALIGN16)
michael@0: #  define OC_ALIGN16(expr) expr
michael@0: # endif
michael@0: 
michael@0: 
michael@0: 
michael@0: /*This library's version.*/
michael@0: # define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)"
michael@0: 
michael@0: /*Theora bitstream version.*/
michael@0: # define TH_VERSION_MAJOR (3)
michael@0: # define TH_VERSION_MINOR (2)
michael@0: # define TH_VERSION_SUB   (1)
michael@0: # define TH_VERSION_CHECK(_info,_maj,_min,_sub) \
michael@0:  ((_info)->version_major>(_maj)||(_info)->version_major==(_maj)&& \
michael@0:  ((_info)->version_minor>(_min)||(_info)->version_minor==(_min)&& \
michael@0:  (_info)->version_subminor>=(_sub)))
michael@0: 
michael@0: 
michael@0: 
michael@0: /*A map from the index in the zig zag scan to the coefficient number in a
michael@0:    block.*/
michael@0: extern const unsigned char OC_FZIG_ZAG[128];
michael@0: /*A map from the coefficient number in a block to its index in the zig zag
michael@0:    scan.*/
michael@0: extern const unsigned char OC_IZIG_ZAG[64];
michael@0: /*A map from physical macro block ordering to bitstream macro block
michael@0:    ordering within a super block.*/
michael@0: extern const unsigned char OC_MB_MAP[2][2];
michael@0: /*A list of the indices in the oc_mb_map array that can be valid for each of
michael@0:    the various chroma decimation types.*/
michael@0: extern const unsigned char OC_MB_MAP_IDXS[TH_PF_NFORMATS][12];
michael@0: /*The number of indices in the oc_mb_map array that can be valid for each of
michael@0:    the various chroma decimation types.*/
michael@0: extern const unsigned char OC_MB_MAP_NIDXS[TH_PF_NFORMATS];
michael@0: 
michael@0: 
michael@0: 
michael@0: int oc_ilog(unsigned _v);
michael@0: void *oc_aligned_malloc(size_t _sz,size_t _align);
michael@0: void oc_aligned_free(void *_ptr);
michael@0: void **oc_malloc_2d(size_t _height,size_t _width,size_t _sz);
michael@0: void **oc_calloc_2d(size_t _height,size_t _width,size_t _sz);
michael@0: void oc_free_2d(void *_ptr);
michael@0: 
michael@0: void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst,
michael@0:  const th_ycbcr_buffer _src);
michael@0: 
michael@0: #endif