media/libtheora/lib/internal.h@b8a032363ba2 (annotated)
media/libtheora/lib/internal.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /******************************************************************** |
| michael@0 | 2 | * * |
| michael@0 | 3 | * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * |
| michael@0 | 4 | * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
| michael@0 | 5 | * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
| michael@0 | 6 | * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
| michael@0 | 7 | * * |
| michael@0 | 8 | * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * |
| michael@0 | 9 | * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * |
| michael@0 | 10 | * * |
| michael@0 | 11 | ******************************************************************** |
| michael@0 | 12 | |
| michael@0 | 13 | function: |
| michael@0 | 14 | last mod: $Id: internal.h 17578 2010-10-29 04:21:26Z tterribe $ |
| michael@0 | 15 | |
| michael@0 | 16 | ********************************************************************/ |
| michael@0 | 17 | #if !defined(_internal_H) |
| michael@0 | 18 | # define _internal_H (1) |
| michael@0 | 19 | # include <stdlib.h> |
| michael@0 | 20 | # include <limits.h> |
| michael@0 | 21 | # if defined(HAVE_CONFIG_H) |
| michael@0 | 22 | # include "config.h" |
| michael@0 | 23 | # endif |
| michael@0 | 24 | # include "theora/codec.h" |
| michael@0 | 25 | # include "theora/theora.h" |
| michael@0 | 26 | # include "ocintrin.h" |
| michael@0 | 27 | |
| michael@0 | 28 | # if !defined(__GNUC_PREREQ) |
| michael@0 | 29 | # if defined(__GNUC__)&&defined(__GNUC_MINOR__) |
| michael@0 | 30 | # define __GNUC_PREREQ(_maj,_min) \ |
| michael@0 | 31 | ((__GNUC__<<16)+__GNUC_MINOR__>=((_maj)<<16)+(_min)) |
| michael@0 | 32 | # else |
| michael@0 | 33 | # define __GNUC_PREREQ(_maj,_min) 0 |
| michael@0 | 34 | # endif |
| michael@0 | 35 | # endif |
| michael@0 | 36 | |
| michael@0 | 37 | # if defined(_MSC_VER) |
| michael@0 | 38 | /*Disable missing EMMS warnings.*/ |
| michael@0 | 39 | # pragma warning(disable:4799) |
| michael@0 | 40 | /*Thank you Microsoft, I know the order of operations.*/ |
| michael@0 | 41 | # pragma warning(disable:4554) |
| michael@0 | 42 | # endif |
| michael@0 | 43 | /*You, too, gcc.*/ |
| michael@0 | 44 | # if __GNUC_PREREQ(4,2) |
| michael@0 | 45 | # pragma GCC diagnostic ignored "-Wparentheses" |
| michael@0 | 46 | # endif |
| michael@0 | 47 | |
| michael@0 | 48 | /*Some assembly constructs require aligned operands. |
| michael@0 | 49 | The following macros are _only_ intended for structure member declarations. |
| michael@0 | 50 | Although they will sometimes work on stack variables, gcc will often silently |
| michael@0 | 51 | ignore them. |
| michael@0 | 52 | A separate set of macros could be made for manual stack alignment, but we |
| michael@0 | 53 | don't actually require it anywhere.*/ |
| michael@0 | 54 | # if defined(OC_X86_ASM)||defined(OC_ARM_ASM) |
| michael@0 | 55 | # if defined(__GNUC__) |
| michael@0 | 56 | # define OC_ALIGN8(expr) expr __attribute__((aligned(8))) |
| michael@0 | 57 | # define OC_ALIGN16(expr) expr __attribute__((aligned(16))) |
| michael@0 | 58 | # elif defined(_MSC_VER) |
| michael@0 | 59 | # define OC_ALIGN8(expr) __declspec (align(8)) expr |
| michael@0 | 60 | # define OC_ALIGN16(expr) __declspec (align(16)) expr |
| michael@0 | 61 | # else |
| michael@0 | 62 | # error "Alignment macros required for this platform." |
| michael@0 | 63 | # endif |
| michael@0 | 64 | # endif |
| michael@0 | 65 | # if !defined(OC_ALIGN8) |
| michael@0 | 66 | # define OC_ALIGN8(expr) expr |
| michael@0 | 67 | # endif |
| michael@0 | 68 | # if !defined(OC_ALIGN16) |
| michael@0 | 69 | # define OC_ALIGN16(expr) expr |
| michael@0 | 70 | # endif |
| michael@0 | 71 | |
| michael@0 | 72 | |
| michael@0 | 73 | |
| michael@0 | 74 | /*This library's version.*/ |
| michael@0 | 75 | # define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)" |
| michael@0 | 76 | |
| michael@0 | 77 | /*Theora bitstream version.*/ |
| michael@0 | 78 | # define TH_VERSION_MAJOR (3) |
| michael@0 | 79 | # define TH_VERSION_MINOR (2) |
| michael@0 | 80 | # define TH_VERSION_SUB (1) |
| michael@0 | 81 | # define TH_VERSION_CHECK(_info,_maj,_min,_sub) \ |
| michael@0 | 82 | ((_info)->version_major>(_maj)||(_info)->version_major==(_maj)&& \ |
| michael@0 | 83 | ((_info)->version_minor>(_min)||(_info)->version_minor==(_min)&& \ |
| michael@0 | 84 | (_info)->version_subminor>=(_sub))) |
| michael@0 | 85 | |
| michael@0 | 86 | |
| michael@0 | 87 | |
| michael@0 | 88 | /*A map from the index in the zig zag scan to the coefficient number in a |
| michael@0 | 89 | block.*/ |
| michael@0 | 90 | extern const unsigned char OC_FZIG_ZAG[128]; |
| michael@0 | 91 | /*A map from the coefficient number in a block to its index in the zig zag |
| michael@0 | 92 | scan.*/ |
| michael@0 | 93 | extern const unsigned char OC_IZIG_ZAG[64]; |
| michael@0 | 94 | /*A map from physical macro block ordering to bitstream macro block |
| michael@0 | 95 | ordering within a super block.*/ |
| michael@0 | 96 | extern const unsigned char OC_MB_MAP[2][2]; |
| michael@0 | 97 | /*A list of the indices in the oc_mb_map array that can be valid for each of |
| michael@0 | 98 | the various chroma decimation types.*/ |
| michael@0 | 99 | extern const unsigned char OC_MB_MAP_IDXS[TH_PF_NFORMATS][12]; |
| michael@0 | 100 | /*The number of indices in the oc_mb_map array that can be valid for each of |
| michael@0 | 101 | the various chroma decimation types.*/ |
| michael@0 | 102 | extern const unsigned char OC_MB_MAP_NIDXS[TH_PF_NFORMATS]; |
| michael@0 | 103 | |
| michael@0 | 104 | |
| michael@0 | 105 | |
| michael@0 | 106 | int oc_ilog(unsigned _v); |
| michael@0 | 107 | void *oc_aligned_malloc(size_t _sz,size_t _align); |
| michael@0 | 108 | void oc_aligned_free(void *_ptr); |
| michael@0 | 109 | void **oc_malloc_2d(size_t _height,size_t _width,size_t _sz); |
| michael@0 | 110 | void **oc_calloc_2d(size_t _height,size_t _width,size_t _sz); |
| michael@0 | 111 | void oc_free_2d(void *_ptr); |
| michael@0 | 112 | |
| michael@0 | 113 | void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst, |
| michael@0 | 114 | const th_ycbcr_buffer _src); |
| michael@0 | 115 | |
| michael@0 | 116 | #endif |
