blender/intern/audaspace/intern/AUD_ConverterReader.cpp
Joerg Mueller 5a8d5f77af Audaspace:
Replacing AUD_Reference with boost::shared_ptr.
2012-11-05 14:24:35 +00:00

78 lines
2.0 KiB
C++

/*
* ***** 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_ConverterReader.cpp
* \ingroup audaspaceintern
*/
#include "AUD_ConverterReader.h"
AUD_ConverterReader::AUD_ConverterReader(boost::shared_ptr<AUD_IReader> reader,
AUD_DeviceSpecs specs) :
AUD_EffectReader(reader),
m_format(specs.format)
{
switch(m_format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_float_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_float_s16;
break;
case AUD_FORMAT_S24:
#ifdef __BIG_ENDIAN__
m_convert = AUD_convert_float_s24_be;
#else
m_convert = AUD_convert_float_s24_le;
#endif
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_float_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_copy<float>;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_float_double;
break;
default:
break;
}
}
void AUD_ConverterReader::read(int& length, bool& eos, sample_t* buffer)
{
AUD_Specs specs = m_reader->getSpecs();
int samplesize = AUD_SAMPLE_SIZE(specs);
m_buffer.assureSize(length * samplesize);
m_reader->read(length, eos, m_buffer.getBuffer());
m_convert((data_t*)buffer, (data_t*)m_buffer.getBuffer(),
length * specs.channels);
}