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/***************************************************************************
* Copyright (C) 2009 by Ilya Kotov <forkotov02@hotmail.ru> *
* Copyright (C) 2009 by Sebastian Pipping <sebastian@pipping.org> *
* *
* This program 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. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <QSettings>
#include <math.h>
#include <stdlib.h>
#include <qmmp/qmmp.h>
#include "bs2bplugin.h"
Bs2bPlugin *Bs2bPlugin::m_instance = 0;
Bs2bPlugin::Bs2bPlugin() : Effect()
{
m_instance = this;
m_bs2b_handler = bs2b_open();
QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
bs2b_set_level(m_bs2b_handler, settings.value("bs2b/level", BS2B_DEFAULT_CLEVEL).toUInt());
m_chan = 0;
}
Bs2bPlugin::~Bs2bPlugin()
{
m_instance = 0;
bs2b_close(m_bs2b_handler);
}
#define CASE_BS2B(bitsPerSample, dataType, functionToCall, samples, out_data) \
case bitsPerSample: \
{ \
dataType * data = reinterpret_cast<dataType *>(out_data); \
functionToCall(m_bs2b_handler, data, samples); \
} \
break;
void Bs2bPlugin::applyEffect(Buffer *b)
{
if(m_chan != 2)
return;
uint samples = b->nbytes / audioParameters().sampleSize() / 2;
m_mutex.lock();
switch (format())
{
CASE_BS2B(Qmmp::PCM_S8, int8_t, bs2b_cross_feed_s8, samples, b->data)
CASE_BS2B(Qmmp::PCM_S16LE, int16_t, bs2b_cross_feed_s16le, samples, b->data)
//CASE_BS2B(Qmmp::PCM_S24LE, bs2b_int24_t, bs2b_cross_feed_s24le, samples, out_data)
CASE_BS2B(Qmmp::PCM_S32LE, int32_t, bs2b_cross_feed_s32le, samples, b->data)
default:
; // noop
}
m_mutex.unlock();
}
void Bs2bPlugin::configure(quint32 freq, int chan, Qmmp::AudioFormat format)
{
m_chan = chan;
Effect::configure(freq, chan, format);
bs2b_set_srate(m_bs2b_handler,freq);
}
void Bs2bPlugin::setCrossfeedLevel(uint32_t level)
{
m_mutex.lock();
bs2b_set_level(m_bs2b_handler, level);
m_mutex.unlock();
}
Bs2bPlugin* Bs2bPlugin::instance()
{
return m_instance;
}
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