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142 lines
3.0 KiB
142 lines
3.0 KiB
/*
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Copyright (C) 2005 by Olivier Goffart
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ogoffart@kde.org
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This program 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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This program 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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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_ARTS
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#include "soundrecorder_arts.h"
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#include <arts/kaudiorecordstream.h>
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#include <arts/kartsserver.h>
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#include <arts/kartsdispatcher.h>
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#include <kdebug.h>
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#include <tdelocale.h>
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#include <tqtimer.h>
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#define FS 11025
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#define BITS 16
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#define ABS(X) ( ((X)>0) ? (X) : -(X) )
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extern "C"
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KDE_EXPORT
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KHotKeys::SoundRecorder* khotkeys_soundrecorder_create( TQObject* parent, const char* name )
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{
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return new KHotKeys::SoundRecorderArts( parent, name );
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}
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namespace KHotKeys
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{
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SoundRecorderArts::SoundRecorderArts(TQObject *parent, const char *name)
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: SoundRecorder(parent, name) ,
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m_dis(new KArtsDispatcher( this) ),
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m_server( new KArtsServer( this ) ) ,
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m_recStream( new KAudioRecordStream( m_server, i18n("khotkeys"), m_server ) )
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{
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create_ptr check = khotkeys_soundrecorder_create; // check the type matches
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( void ) check;
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m_recStream->usePolling( false );
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connect( m_recStream, TQ_SIGNAL(data (TQByteArray &)), this, TQ_SLOT(slotDataReceived(TQByteArray& )));
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}
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SoundRecorderArts::~SoundRecorderArts()
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{
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delete m_recStream;
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delete m_server;
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delete m_dis;
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}
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void SoundRecorderArts::start()
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{
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m_recStream->start(FS,BITS,2);
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m_data.resize(0);
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}
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void SoundRecorderArts::stop()
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{
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m_recStream->stop();
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TQTimer::singleShot(400,this,TQ_SLOT(slotEmitSignal()));
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}
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void SoundRecorderArts::abort()
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{
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m_recStream->stop();
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m_data.resize(0);
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}
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Sound SoundRecorderArts::sound()
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{
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Sound s;
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uint BytePS=BITS/8;
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uint length=m_data.size()/BytePS;
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TQMemArray<TQ_INT32> da(length);
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s.max=0;
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s._fs=FS;
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for(uint f=0;f<length; f++)
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{
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#if BITS==8
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int nb=(unsigned char)(m_data[f]) -128;
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#elif BITS==16
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int nb=(m_data[2*f] &0x000000FF ) | ( (m_data[2*f+1] &0x000000FF ) << 8 ) ;
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if(nb & (1<< 15))
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nb = nb-(1<<16);
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#else
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#error BITS is not 16 or 8
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#endif
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if(s.max < (uint)ABS(nb))
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{
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s.max= (uint)ABS(nb);
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}
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da[f]=nb;
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}
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s.data=da;
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return s;
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}
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void SoundRecorderArts::slotDataReceived(TQByteArray & data)
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{
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uint pos=m_data.size();
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m_data.resize(pos + data.size());
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for(uint f=0;f<data.size(); f++)
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{
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m_data[pos+f]=data[f];
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}
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}
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void SoundRecorderArts::slotEmitSignal()
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{
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emit recorded( sound() );
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}
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}
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#include "soundrecorder_arts.moc"
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#endif
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