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/*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* Copyright 2009-2011 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* Audaspace 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 of the License, or
* (at your option) any later version.
*
* AudaSpace 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 Audaspace; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file audaspace/intern/AUD_Buffer.cpp
* \ingroup audaspaceintern
*/
#include "AUD_Buffer.h"
#include "AUD_Space.h"
#include <cstring>
#include <cstdlib>
#define AUD_ALIGN(a) (a + 16 - ((long)a & 15))
AUD_Buffer::AUD_Buffer(int size)
{
m_size = size;
m_buffer = (data_t*) malloc(size+16);
}
AUD_Buffer::~AUD_Buffer()
{
free(m_buffer);
}
sample_t* AUD_Buffer::getBuffer() const
{
return (sample_t*) AUD_ALIGN(m_buffer);
}
int AUD_Buffer::getSize() const
{
return m_size;
}
void AUD_Buffer::resize(int size, bool keep)
{
if(keep)
{
data_t* buffer = (data_t*) malloc(size + 16);
memcpy(AUD_ALIGN(buffer), AUD_ALIGN(m_buffer), AUD_MIN(size, m_size));
free(m_buffer);
m_buffer = buffer;
}
else
m_buffer = (data_t*) realloc(m_buffer, size + 16);
m_size = size;
}
void AUD_Buffer::assureSize(int size, bool keep)
{
if(m_size < size)
resize(size, keep);
}
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