misc/quazip/quaadler32.cpp
author Stepan777 <stepik-777@mail.ru>
Fri, 08 Jun 2012 02:52:35 +0400
changeset 7198 5debd5fe526e
parent 5752 ea95ee97c805
permissions -rw-r--r--
1. Add IFDEFs for video recording 2. Options for video recording were hardcoded in engine, now they are hardcoded in frontend and passed to engine thru command line (later it will be possible to change them in frontend)

#include "quaadler32.h"

#include "zlib.h"

QuaAdler32::QuaAdler32()
{
	reset();
}

quint32 QuaAdler32::calculate(const QByteArray &data)
{
	return adler32( adler32(0L, Z_NULL, 0), (const Bytef*)data.data(), data.size() );
}

void QuaAdler32::reset()
{
	checksum = adler32(0L, Z_NULL, 0);
}

void QuaAdler32::update(const QByteArray &buf)
{
	checksum = adler32( checksum, (const Bytef*)buf.data(), buf.size() );
}

quint32 QuaAdler32::value()
{
	return checksum;
}