Sweden-Number/dlls/quartz/audioutl.c

78 lines
1.6 KiB
C

/*
* Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "windef.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(quartz);
#include "audioutl.h"
void AUDIOUTL_ChangeSign8( BYTE* pbData, DWORD cbData )
{
BYTE* pbEnd = pbData + cbData;
while ( pbData < pbEnd )
{
*pbData ^= 0x80;
pbData ++;
}
}
void AUDIOUTL_ChangeSign16LE( BYTE* pbData, DWORD cbData )
{
BYTE* pbEnd = pbData + cbData;
pbData ++;
while ( pbData < pbEnd )
{
*pbData ^= 0x80;
pbData += 2;
}
}
void AUDIOUTL_ChangeSign16BE( BYTE* pbData, DWORD cbData )
{
BYTE* pbEnd = pbData + cbData;
while ( pbData < pbEnd )
{
*pbData ^= 0x80;
pbData += 2;
}
}
void AUDIOUTL_ByteSwap( BYTE* pbData, DWORD cbData )
{
BYTE* pbEnd = pbData + cbData - 1;
BYTE bTemp;
while ( pbData < pbEnd )
{
bTemp = pbData[0];
pbData[0] = pbData[1];
pbData[1] = bTemp;
pbData += 2;
}
}