/*****************************************************************
|
| AP4 - Utilities
|
| Copyright 2002 Gilles Boccon-Gibod
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_UTILS_H_
#define _AP4_UTILS_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4.h"
#include "Ap4Config.h"
#include "Ap4Atom.h"
/*----------------------------------------------------------------------
| MIN & MAX
+---------------------------------------------------------------------*/
#define MIN(a,b) (a<b)?a:b
#define MAX(a,b) (a>b)?a:b
/*----------------------------------------------------------------------
| byte I/O
+---------------------------------------------------------------------*/
double AP4_BytesToDoubleBE(const unsigned char* bytes);
unsigned long long AP4_BytesToUInt64BE(const unsigned char* bytes);
unsigned long AP4_BytesToUInt32BE(const unsigned char* bytes);
unsigned long AP4_BytesToUInt24BE(const unsigned char* bytes);
unsigned short AP4_BytesToUInt16BE(const unsigned char* bytes);
void AP4_BytesFromUInt64BE(unsigned char* bytes, unsigned long long value);
void AP4_BytesFromUInt32BE(unsigned char* bytes, unsigned long value);
void AP4_BytesFromUInt24BE(unsigned char* bytes, unsigned long value);
void AP4_BytesFromUInt16BE(unsigned char* bytes, unsigned short value);
AP4_UI32 AP4_DurationMsFromUnits(AP4_UI64 units,
AP4_UI32 units_per_second);
AP4_UI64 AP4_ConvertTime(AP4_UI64 time_value,
AP4_UI32 from_time_scale,
AP4_UI32 to_time_scale);
/*----------------------------------------------------------------------
| string utils
+---------------------------------------------------------------------*/
#if defined (AP4_CONFIG_HAVE_STDIO_H)
#include <stdio.h>
#endif
#if defined (AP4_CONFIG_HAVE_SNPRINTF)
#define AP4_StringFormat snprintf
#else
int AP4_StringFormat(char* str, AP4_Size size, const char* format, ...);
#endif
void AP4_FormatFourChars(char* str, AP4_UI32 value);
AP4_Result
AP4_ParseHex(const char* hex, unsigned char* bytes, unsigned int count);
AP4_Result
AP4_SplitArgs(char* arg, char*& arg0, char*& arg1, char*& arg2);
AP4_Result
AP4_SplitArgs(char* arg, char*& arg0, char*& arg1);
/*----------------------------------------------------------------------
| AP4_PrintInspector
+---------------------------------------------------------------------*/
class AP4_PrintInspector : public AP4_AtomInspector {
public:
AP4_PrintInspector(AP4_ByteStream& stream);
~AP4_PrintInspector();
// methods
void StartElement(const char* name, const char* info);
void EndElement();
void AddField(const char* name, AP4_UI32 value, FormatHint hint);
void AddField(const char* name, const char* value, FormatHint hint);
private:
// members
AP4_ByteStream* m_Stream;
AP4_Cardinal m_Indent;
};
#endif // _AP4_UTILS_H_
↑ V1003 The macro 'MIN' is a dangerous expression. The parameters 'a', 'b' must be surrounded by parentheses.
↑ V1003 The macro 'MAX' is a dangerous expression. The parameters 'a', 'b' must be surrounded by parentheses.