forked from bartvdbraak/blender
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
|
/*
|
||
|
* $Id$
|
||
|
*
|
||
|
* ***** BEGIN LGPL LICENSE BLOCK *****
|
||
|
*
|
||
|
* Copyright 2009 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 Lesser General Public License as published by
|
||
|
* the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
|
||
|
*
|
||
|
* ***** END LGPL LICENSE BLOCK *****
|
||
|
*/
|
||
|
|
||
|
#include "AUD_SquareReader.h"
|
||
|
#include "AUD_Buffer.h"
|
||
|
|
||
|
#include <cstring>
|
||
|
|
||
|
AUD_SquareReader::AUD_SquareReader(AUD_IReader* reader, float threshold) :
|
||
|
AUD_EffectReader(reader),
|
||
|
m_threshold(threshold)
|
||
|
{
|
||
|
m_buffer = new AUD_Buffer(); AUD_NEW("buffer")
|
||
|
}
|
||
|
|
||
|
AUD_SquareReader::~AUD_SquareReader()
|
||
|
{
|
||
|
delete m_buffer; AUD_DELETE("buffer")
|
||
|
}
|
||
|
|
||
|
void AUD_SquareReader::read(int & length, sample_t* & buffer)
|
||
|
{
|
||
|
sample_t* buf;
|
||
|
AUD_Specs specs = m_reader->getSpecs();
|
||
|
|
||
|
m_reader->read(length, buf);
|
||
|
if(m_buffer->getSize() < length * AUD_SAMPLE_SIZE(specs))
|
||
|
m_buffer->resize(length * AUD_SAMPLE_SIZE(specs));
|
||
|
|
||
|
buffer = m_buffer->getBuffer();
|
||
|
|
||
|
for(int i = 0; i < length * specs.channels; i++)
|
||
|
{
|
||
|
if(buf[i] >= m_threshold)
|
||
|
buffer[i] = 1.0f;
|
||
|
else if(buf[i] <= -m_threshold)
|
||
|
buffer[i] = -1.0f;
|
||
|
else
|
||
|
buffer[i] = 0.0f;
|
||
|
}
|
||
|
}
|