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comparison: media/libtheora/lib/internal.h
media/libtheora/lib/internal.h
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- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:bf49b674c92d |
|---|---|
| 1 /******************************************************************** | |
| 2 * * | |
| 3 * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * | |
| 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * | |
| 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * | |
| 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * | |
| 7 * * | |
| 8 * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * | |
| 9 * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * | |
| 10 * * | |
| 11 ******************************************************************** | |
| 12 | |
| 13 function: | |
| 14 last mod: $Id: internal.h 17578 2010-10-29 04:21:26Z tterribe $ | |
| 15 | |
| 16 ********************************************************************/ | |
| 17 #if !defined(_internal_H) | |
| 18 # define _internal_H (1) | |
| 19 # include <stdlib.h> | |
| 20 # include <limits.h> | |
| 21 # if defined(HAVE_CONFIG_H) | |
| 22 # include "config.h" | |
| 23 # endif | |
| 24 # include "theora/codec.h" | |
| 25 # include "theora/theora.h" | |
| 26 # include "ocintrin.h" | |
| 27 | |
| 28 # if !defined(__GNUC_PREREQ) | |
| 29 # if defined(__GNUC__)&&defined(__GNUC_MINOR__) | |
| 30 # define __GNUC_PREREQ(_maj,_min) \ | |
| 31 ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min)) | |
| 32 # else | |
| 33 # define __GNUC_PREREQ(_maj,_min) 0 | |
| 34 # endif | |
| 35 # endif | |
| 36 | |
| 37 # if defined(_MSC_VER) | |
| 38 /*Disable missing EMMS warnings.*/ | |
| 39 # pragma warning(disable:4799) | |
| 40 /*Thank you Microsoft, I know the order of operations.*/ | |
| 41 # pragma warning(disable:4554) | |
| 42 # endif | |
| 43 /*You, too, gcc.*/ | |
| 44 # if __GNUC_PREREQ(4,2) | |
| 45 # pragma GCC diagnostic ignored "-Wparentheses" | |
| 46 # endif | |
| 47 | |
| 48 /*Some assembly constructs require aligned operands. | |
| 49 The following macros are _only_ intended for structure member declarations. | |
| 50 Although they will sometimes work on stack variables, gcc will often silently | |
| 51 ignore them. | |
| 52 A separate set of macros could be made for manual stack alignment, but we | |
| 53 don't actually require it anywhere.*/ | |
| 54 # if defined(OC_X86_ASM)||defined(OC_ARM_ASM) | |
| 55 # if defined(__GNUC__) | |
| 56 # define OC_ALIGN8(expr) expr __attribute__((aligned(8))) | |
| 57 # define OC_ALIGN16(expr) expr __attribute__((aligned(16))) | |
| 58 # elif defined(_MSC_VER) | |
| 59 # define OC_ALIGN8(expr) __declspec (align(8)) expr | |
| 60 # define OC_ALIGN16(expr) __declspec (align(16)) expr | |
| 61 # else | |
| 62 # error "Alignment macros required for this platform." | |
| 63 # endif | |
| 64 # endif | |
| 65 # if !defined(OC_ALIGN8) | |
| 66 # define OC_ALIGN8(expr) expr | |
| 67 # endif | |
| 68 # if !defined(OC_ALIGN16) | |
| 69 # define OC_ALIGN16(expr) expr | |
| 70 # endif | |
| 71 | |
| 72 | |
| 73 | |
| 74 /*This library's version.*/ | |
| 75 # define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)" | |
| 76 | |
| 77 /*Theora bitstream version.*/ | |
| 78 # define TH_VERSION_MAJOR (3) | |
| 79 # define TH_VERSION_MINOR (2) | |
| 80 # define TH_VERSION_SUB (1) | |
| 81 # define TH_VERSION_CHECK(_info,_maj,_min,_sub) \ | |
| 82 ((_info)->version_major>(_maj)||(_info)->version_major==(_maj)&& \ | |
| 83 ((_info)->version_minor>(_min)||(_info)->version_minor==(_min)&& \ | |
| 84 (_info)->version_subminor>=(_sub))) | |
| 85 | |
| 86 | |
| 87 | |
| 88 /*A map from the index in the zig zag scan to the coefficient number in a | |
| 89 block.*/ | |
| 90 extern const unsigned char OC_FZIG_ZAG[128]; | |
| 91 /*A map from the coefficient number in a block to its index in the zig zag | |
| 92 scan.*/ | |
| 93 extern const unsigned char OC_IZIG_ZAG[64]; | |
| 94 /*A map from physical macro block ordering to bitstream macro block | |
| 95 ordering within a super block.*/ | |
| 96 extern const unsigned char OC_MB_MAP[2][2]; | |
| 97 /*A list of the indices in the oc_mb_map array that can be valid for each of | |
| 98 the various chroma decimation types.*/ | |
| 99 extern const unsigned char OC_MB_MAP_IDXS[TH_PF_NFORMATS][12]; | |
| 100 /*The number of indices in the oc_mb_map array that can be valid for each of | |
| 101 the various chroma decimation types.*/ | |
| 102 extern const unsigned char OC_MB_MAP_NIDXS[TH_PF_NFORMATS]; | |
| 103 | |
| 104 | |
| 105 | |
| 106 int oc_ilog(unsigned _v); | |
| 107 void *oc_aligned_malloc(size_t _sz,size_t _align); | |
| 108 void oc_aligned_free(void *_ptr); | |
| 109 void **oc_malloc_2d(size_t _height,size_t _width,size_t _sz); | |
| 110 void **oc_calloc_2d(size_t _height,size_t _width,size_t _sz); | |
| 111 void oc_free_2d(void *_ptr); | |
| 112 | |
| 113 void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst, | |
| 114 const th_ycbcr_buffer _src); | |
| 115 | |
| 116 #endif |
