1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
#ifndef __ISOBaseMedia_Support_hpp__
#define __ISOBaseMedia_Support_hpp__ 1
// =================================================================================================
// ADOBE SYSTEMS INCORPORATED
// Copyright 2007 Adobe Systems Incorporated
// All Rights Reserved
//
// NOTICE: Adobe permits you to use, modify, and distribute this file in accordance with the terms
// of the Adobe license agreement accompanying it.
// =================================================================================================
#include "XMP_Environment.h" // ! This must be the first include.
#include "XMP_Const.h"
#include "LargeFileAccess.hpp"
// =================================================================================================
/// \file ISOBaseMedia_Support.hpp
/// \brief XMPFiles support for the ISO Base Media File Format.
///
/// \note These classes are for use only when directly compiled and linked. They should not be
/// packaged in a DLL by themselves. They do not provide any form of C++ ABI protection.
// =================================================================================================
namespace ISOMedia {
enum {
k_ftyp = 0x66747970UL, // File header Box, no version/flags.
k_mp41 = 0x6D703431UL, // Compatible brand codes
k_mp42 = 0x6D703432UL,
k_f4v = 0x66347620UL,
k_qt = 0x71742020UL,
k_moov = 0x6D6F6F76UL, // Container Box, no version/flags.
k_mvhd = 0x6D766864UL, // Data FullBox, has version/flags.
k_hdlr = 0x68646C72UL,
k_udta = 0x75647461UL, // Container Box, no version/flags.
k_cprt = 0x63707274UL, // Data FullBox, has version/flags.
k_uuid = 0x75756964UL, // Data Box, no version/flags.
k_free = 0x66726565UL, // Free space Box, no version/flags.
k_mdat = 0x6D646174UL, // Media data Box, no version/flags.
k_trak = 0x7472616BUL, // Types for the QuickTime timecode track.
k_tkhd = 0x746B6864UL,
k_mdia = 0x6D646961UL,
k_mdhd = 0x6D646864UL,
k_tmcd = 0x746D6364UL,
k_mhlr = 0x6D686C72UL,
k_minf = 0x6D696E66UL,
k_stbl = 0x7374626CUL,
k_stsd = 0x73747364UL,
k_stsc = 0x73747363UL,
k_stco = 0x7374636FUL,
k_co64 = 0x636F3634UL,
k_meta = 0x6D657461UL, // Types for the iTunes metadata boxes.
k_ilst = 0x696C7374UL,
k_mdir = 0x6D646972UL,
k_mean = 0x6D65616EUL,
k_name = 0x6E616D65UL,
k_data = 0x64617461UL,
k_hyphens = 0x2D2D2D2DUL,
k_skip = 0x736B6970UL, // Additional classic QuickTime top level boxes.
k_wide = 0x77696465UL,
k_pnot = 0x706E6F74UL,
k_XMP_ = 0x584D505FUL // The QuickTime variant XMP box.
};
static XMP_Uns32 k_xmpUUID [4] = { MakeUns32BE ( 0xBE7ACFCBUL ),
MakeUns32BE ( 0x97A942E8UL ),
MakeUns32BE ( 0x9C719994UL ),
MakeUns32BE ( 0x91E3AFACUL ) };
struct BoxInfo {
XMP_Uns32 boxType; // In memory as native endian!
XMP_Uns32 headerSize; // Normally 8 or 16, less than 8 if available space is too small.
XMP_Uns64 contentSize; // Always the real size, never 0 for "to EoF".
BoxInfo() : boxType(0), headerSize(0), contentSize(0) {};
};
// Get basic info about a box in memory, returning a pointer to the following box.
const XMP_Uns8 * GetBoxInfo ( const XMP_Uns8 * boxPtr, const XMP_Uns8 * boxLimit,
BoxInfo * info, bool throwErrors = false );
// Get basic info about a box in a file, returning the offset of the following box. The I/O
// pointer is left at the start of the box's content. Returns the offset of the following box.
XMP_Uns64 GetBoxInfo ( LFA_FileRef fileRef, const XMP_Uns64 boxOffset, const XMP_Uns64 boxLimit,
BoxInfo * info, bool doSeek = true, bool throwErrors = false );
// XMP_Uns32 CountChildBoxes ( LFA_FileRef fileRef, const XMP_Uns64 childOffset, const XMP_Uns64 childLimit );
} // namespace ISO_Media
// =================================================================================================
#endif // __ISOBaseMedia_Support_hpp__
|
