libplatform/platform_posix.h

#ifndef MP4V2_PLATFORM_POSIX_H
#define MP4V2_PLATFORM_POSIX_H

///////////////////////////////////////////////////////////////////////////////

#include "libplatform/config.h"

///////////////////////////////////////////////////////////////////////////////

// constant macros are not usually used with C++ so the standard mechanism to
// activate it is to define before stdint.h
#ifndef __STDC_CONSTANT_MACROS
#   define __STDC_CONSTANT_MACROS
#endif

// format macros are not usually used with C++ so the standard mechanism to
// activate it is to define before inttypes.h
#ifndef __STDC_FORMAT_MACROS
#   define __STDC_FORMAT_MACROS
#endif

#ifdef NEED_LFS_ACTIVATION
#   ifndef _LARGEFILE_SOURCE
#       define _LARGEFILE_SOURCE
#       define _FILE_OFFSET_BITS 64
#   endif
#endif

///////////////////////////////////////////////////////////////////////////////

#include "libplatform/platform_base.h"
#include <inttypes.h>
#include <stdint.h>
#include <fcntl.h>
#include <unistd.h>
#include <functional>

#include <mp4v2/mp4v2.h>

///////////////////////////////////////////////////////////////////////////////

namespace mp4v2 { namespace platform {
   // using namespace std;

    using ::int8_t;
    using ::int16_t;
    using ::int32_t;
    using ::int64_t;

    using ::uint8_t;
    using ::uint16_t;
    using ::uint32_t;
    using ::uint64_t;
}} // namespace mp4v2::platform

///////////////////////////////////////////////////////////////////////////////

// win32 platform requires O_BINARY when using old open() calls so we add
// this harmless bit-flag for posix to avoid .cpp platform conditionals
#ifndef O_BINARY
#   define O_BINARY  0
#endif

///////////////////////////////////////////////////////////////////////////////

// ARM seems to require integer instructions operands to have 4-byte alignment
// so we set this macro to for some int<->string code to manually copy string
// bytes into an int which aligns it. This is much easier than trying to
// align pertinent string data (constants) from in text sections.
#if defined( __arm__ )
#   define MP4V2_INTSTRING_ALIGNMENT 1
#else
#   undef MP4V2_INTSTRING_ALIGNMENT
#endif

///////////////////////////////////////////////////////////////////////////////

#endif // MP4V2_PLATFORM_POSIX_H