iowriter.cpp

来自「symbian 下的helix player源代码」· C++ 代码 · 共 167 行

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: iowriter.cpp,v 1.2.40.1 2004/07/09 01:56:06 hubbe Exp $
 * 
 * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
 * 
 * The contents of this file, and the files included with this file,
 * are subject to the current version of the RealNetworks Public
 * Source License (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (the "RCSL") available at
 * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
 * will apply. You may also obtain the license terms directly from
 * RealNetworks.  You may not use this file except in compliance with
 * the RPSL or, if you have a valid RCSL with RealNetworks applicable
 * to this file, the RCSL.  Please see the applicable RPSL or RCSL for
 * the rights, obligations and limitations governing use of the
 * contents of the file.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the
 * portions it created.
 * 
 * This file, and the files included with this file, is distributed
 * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
 * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
 * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
 * ENJOYMENT OR NON-INFRINGEMENT.
 * 
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 * 
 * Contributor(s):
 * 
 * ***** END LICENSE BLOCK ***** */

#include <string.h>
#include "iowriter.h"

FileWriter::FileWriter(const char *fileName, BOOL& failed)
	:
	m_fileName(0),
	m_fpOut(0),
	m_mode(0)
{
	failed = FALSE;

	if(!fileName) {
		failed = TRUE;
		return;
	}
	init(fileName, "w");

}

FileWriter::init(const char* fileName, const char* mode)
{
	int newSize = strlen(fileName)+1;
	m_fileName = new char[newSize];
	strcpy(m_fileName, fileName); /* Flawfinder: ignore */
	newSize = strlen(mode)+1;
	m_mode = new char[newSize];
	strcpy(m_mode, mode); /* Flawfinder: ignore */
}

FileWriter::FileWriter(const char *fileName, const char* mode, BOOL& failed)
	:
	m_fileName(0),
	m_fpOut(0),
	m_mode(0)
{
	failed = FALSE;

	if(!fileName) {
		failed = TRUE;
		return;
	}
	init(fileName, mode);	
}


FileWriter::~FileWriter()
{
	delete [] m_fileName;
	delete [] m_mode;
	Close();
}

void FileWriter::Close()
{	
	if(m_fpOut)
		fclose(m_fpOut);
}

BOOL FileWriter::OpenFile(const char *mode)
{
	if(!m_fileName) 
	{		
		return FALSE;
	}
	m_fpOut= fopen(m_fileName, mode);
	if(!m_fpOut)
		return FALSE;
	return TRUE;
}

BOOL FileWriter::Open()
{
	return OpenFile(m_mode);

}

BOOL FileWriter::Write(char *b, int n)
{
	if(!m_fpOut)
	{
		return FALSE;
	}	
	if (fwrite(b, n, 1, m_fpOut) != 1)
    {
        return FALSE;
    }

    return TRUE;
}

YUVFileWriter::YUVFileWriter(const char *filename, HXVA_Image_Format& out_format, BOOL& failed)
	:
	FileWriter()
{
	failed = FALSE;
	if(out_format.fid != HXVA_FID_YUV12 && out_format.fid != HXVA_FID_IYUV)
	{
		failed = TRUE;
		return;
	}
	m_out_format = out_format;
	init(filename, "wb+");
}

BOOL YUVFileWriter::Write(const HXVA_Image& out)
{
	int n;
	char *b;
	n = out.size;
	if(n == 0)
		return FALSE;
	b = (char*) out.GetBasePointer();
	if(!b)
		return FALSE;
	return FileWriter::Write(b, n);
}