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Diffstat (limited to '')
| -rw-r--r-- | media/libtheora/lib/internal.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/media/libtheora/lib/internal.h b/media/libtheora/lib/internal.h new file mode 100644 index 0000000000..53c77b88be --- /dev/null +++ b/media/libtheora/lib/internal.h @@ -0,0 +1,116 @@ +/******************************************************************** + * * + * 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 (1) +# 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(_maj,_min) \ + ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min)) +# else +# define __GNUC_PREREQ(_maj,_min) 0 +# 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) expr __attribute__((aligned(8))) +# define OC_ALIGN16(expr) expr __attribute__((aligned(16))) +# elif defined(_MSC_VER) +# define OC_ALIGN8(expr) __declspec (align(8)) expr +# define OC_ALIGN16(expr) __declspec (align(16)) expr +# else +# error "Alignment macros required for this platform." +# endif +# endif +# if !defined(OC_ALIGN8) +# define OC_ALIGN8(expr) expr +# endif +# if !defined(OC_ALIGN16) +# define OC_ALIGN16(expr) expr +# endif + + + +/*This library's version.*/ +# define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)" + +/*Theora bitstream version.*/ +# define TH_VERSION_MAJOR (3) +# define TH_VERSION_MINOR (2) +# define TH_VERSION_SUB (1) +# define TH_VERSION_CHECK(_info,_maj,_min,_sub) \ + ((_info)->version_major>(_maj)||(_info)->version_major==(_maj)&& \ + ((_info)->version_minor>(_min)||(_info)->version_minor==(_min)&& \ + (_info)->version_subminor>=(_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 |