forked from bartvdbraak/blender
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* Copyright 2009-2011 Jörg Hermann Müller
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*
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* This file is part of AudaSpace.
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*
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* Audaspace is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* AudaSpace is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Audaspace; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file audaspace/intern/AUD_Buffer.cpp
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* \ingroup audaspaceintern
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*/
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#include "AUD_Buffer.h"
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#include "AUD_Space.h"
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#include <cstring>
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#include <cstdlib>
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#define AUD_ALIGN(a) (a + 16 - ((long)a & 15))
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AUD_Buffer::AUD_Buffer(int size)
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{
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m_size = size;
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m_buffer = (data_t*) malloc(size+16);
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}
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AUD_Buffer::~AUD_Buffer()
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{
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free(m_buffer);
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}
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sample_t* AUD_Buffer::getBuffer() const
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{
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return (sample_t*) AUD_ALIGN(m_buffer);
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}
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int AUD_Buffer::getSize() const
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{
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return m_size;
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}
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void AUD_Buffer::resize(int size, bool keep)
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{
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if(keep)
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{
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data_t* buffer = (data_t*) malloc(size + 16);
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memcpy(AUD_ALIGN(buffer), AUD_ALIGN(m_buffer), AUD_MIN(size, m_size));
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free(m_buffer);
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m_buffer = buffer;
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}
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else
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m_buffer = (data_t*) realloc(m_buffer, size + 16);
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m_size = size;
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}
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void AUD_Buffer::assureSize(int size, bool keep)
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{
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if(m_size < size)
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resize(size, keep);
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}
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