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