media/libtheora/lib/internal.h@b8a032363ba2
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
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 ********************************************************************
13 function:
14 last mod: $Id: internal.h 17578 2010-10-29 04:21:26Z tterribe $
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"
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
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
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
74 /*This library's version.*/
75 # define OC_VENDOR_STRING "Xiph.Org libtheora 1.2.0alpha 20100924 (Ptalarbvorm)"
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)))
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];
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);
113 void oc_ycbcr_buffer_flip(th_ycbcr_buffer _dst,
114 const th_ycbcr_buffer _src);
116 #endif
