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Diffstat (limited to 'khotkeys/arts/soundrecorder_arts.cpp')
| -rw-r--r-- | khotkeys/arts/soundrecorder_arts.cpp | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/khotkeys/arts/soundrecorder_arts.cpp b/khotkeys/arts/soundrecorder_arts.cpp new file mode 100644 index 000000000..db3ea77d8 --- /dev/null +++ b/khotkeys/arts/soundrecorder_arts.cpp @@ -0,0 +1,141 @@ +/*************************************************************************** + * Copyright (C) 2005 by Olivier Goffart * + * ogoffart@kde.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., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#ifdef HAVE_ARTS + +#include "soundrecorder_arts.h" + +#include <arts/kaudiorecordstream.h> +#include <arts/kartsserver.h> +#include <arts/kartsdispatcher.h> + +#include <kdebug.h> +#include <klocale.h> +#include <qtimer.h> + + +#define FS 11025 +#define BITS 16 + +#define ABS(X) ( ((X)>0) ? (X) : -(X) ) + +extern "C" +KDE_EXPORT +KHotKeys::SoundRecorder* khotkeys_soundrecorder_create( QObject* parent, const char* name ) +{ + return new KHotKeys::SoundRecorderArts( parent, name ); +} + +namespace KHotKeys +{ + + +SoundRecorderArts::SoundRecorderArts(QObject *parent, const char *name) + : SoundRecorder(parent, name) , + m_dis(new KArtsDispatcher( this) ), + m_server( new KArtsServer( this ) ) , + m_recStream( new KAudioRecordStream( m_server, i18n("khotkeys"), m_server ) ) +{ + create_ptr check = khotkeys_soundrecorder_create; // check the type matches + ( void ) check; + + m_recStream->usePolling( false ); + connect( m_recStream, SIGNAL(data (QByteArray &)), this, SLOT(slotDataReceived(QByteArray& ))); +} + +SoundRecorderArts::~SoundRecorderArts() +{ + delete m_recStream; + delete m_server; + delete m_dis; +} + +void SoundRecorderArts::start() +{ + m_recStream->start(FS,BITS,2); + m_data.resize(0); +} + +void SoundRecorderArts::stop() +{ + m_recStream->stop(); + QTimer::singleShot(400,this,SLOT(slotEmitSignal())); +} + +void SoundRecorderArts::abort() +{ + m_recStream->stop(); + m_data.resize(0); +} + + +Sound SoundRecorderArts::sound() +{ + Sound s; + uint BytePS=BITS/8; + uint length=m_data.size()/BytePS; + QMemArray<Q_INT32> da(length); + s.max=0; + s._fs=FS; + for(uint f=0;f<length; f++) + { +#if BITS==8 + int nb=(unsigned char)(m_data[f]) -128; +#elif BITS==16 + int nb=(m_data[2*f] &0x000000FF ) | ( (m_data[2*f+1] &0x000000FF ) << 8 ) ; + if(nb & (1<< 15)) + nb = nb-(1<<16); +#else + #error BITS is not 16 or 8 +#endif + if(s.max < (uint)ABS(nb)) + { + s.max= (uint)ABS(nb); + } + da[f]=nb; + } + s.data=da; + return s; +} + +void SoundRecorderArts::slotDataReceived(QByteArray & data) +{ + uint pos=m_data.size(); + m_data.resize(pos + data.size()); + for(uint f=0;f<data.size(); f++) + { + m_data[pos+f]=data[f]; + } +} + +void SoundRecorderArts::slotEmitSignal() +{ + emit recorded( sound() ); +} + +} + +#include "soundrecorder_arts.moc" + +#endif |