Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 135 insertions, 0 deletions

diff --git a/krec/krecexport_wave.cpp b/krec/krecexport_wave.cpp
new file mode 100644
index 00000000..80ea63d7
--- /dev/null
+++ b/krec/krecexport_wave.cpp
@@ -0,0 +1,135 @@
+/***************************************************************************
+    copyright            : (C) 2003 by Arnold Krille
+    email                : arnold@arnoldarts.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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; version 2 of the License.               *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "krecexport_wave.h"
+#include "krecexport_wave.moc"
+
+#include "krecglobal.h"
+
+#include <kdebug.h>
+#include <ktempfile.h>
+#include <qfile.h>
+#include <qtimer.h>
+#include <kgenericfactory.h>
+
+K_EXPORT_COMPONENT_FACTORY( libkrecexport_wave, KGenericFactory<KRecExport_Wave> )
+
+KRecExport_Wave krecExportWave( 0 );
+
+KRecExport_Wave::KRecExport_Wave( QObject* p, const char* n, const QStringList& )
+  : KRecExportItem( p,n )
+  , _file( 0 )
+{
+kdDebug( 60005 ) << k_funcinfo << endl;
+	registerAtGlobal( this );
+kdDebug( 60005 ) << "Registered Exports: " << KRecGlobal::the()->exportFormats() << endl;
+}
+KRecExport_Wave::~KRecExport_Wave() {
+kdDebug( 60005 ) << k_funcinfo << endl;
+}
+
+KRecExport_Wave* KRecExport_Wave::newItem() {
+kdDebug( 60005 ) << k_funcinfo << endl;
+	return new KRecExport_Wave( 0 );
+}
+
+QStringList KRecExport_Wave::extensions() {
+	//kdDebug( 60005 ) << k_funcinfo << endl;
+	QStringList tmp;
+	tmp << "*.wav" << "*.WAV";
+	return tmp;
+}
+
+bool KRecExport_Wave::initialize( const QString &filename ) {
+kdDebug( 60005 ) << k_funcinfo << endl;
+	if ( !_file ) {
+		_file = new QFile( filename );
+		if ( _file->open( IO_Raw|IO_WriteOnly ) ) {
+			/// Write an empty Wave-header...
+			for ( int i=0; i<44; i++ )
+				_file->putch( 0 );
+		} else return false;
+		return true;
+	} else return false;
+}
+bool KRecExport_Wave::process() {
+	//kdDebug( 60005 ) << k_funcinfo << running << endl;
+	if ( _file ) {
+		if ( running() ) {
+			QByteArray bytearray( 4096 );
+			emit getData( bytearray );
+			_file->writeBlock( bytearray );
+			QTimer::singleShot( 10, this, SLOT( process() ) );
+		}
+		return true;
+	} else return false;
+}
+bool KRecExport_Wave::finalize() {
+kdDebug( 60005 ) << k_funcinfo << endl;
+	if ( _file ) {
+		// PCM-Compatible WAVE Header
+		// bytes		variable			description
+		// 0  - 3		'RIFF'
+		// 4  - 7		wRiffLength			length of file minus the 8 byte riff header
+		// 8  - 11		'WAVE'
+		// 12 - 15		'fmt '
+		// 16 - 19		wFmtSize			length of format chunk minus 8 byte header
+		// 20 - 21		wFormatTag			identifies PCM, ULAW etc
+		// 22 - 23		wChannels			number of channels
+		// 24 - 27		dwSamplesPerSecond	samples per second per channel
+		// 28 - 31		dwAvgBytesPerSec	non-trivial for compressed formats
+		// 32 - 33		wBlockAlign			basic block size
+		// 34 - 35		wBitsPerSample		non-trivial for compressed formats
+		// 36 - 39		'data'
+		// 40 - 43		dwDataLength		length of data chunk minus 8 byte header
+		// 44 - (dwDataLength + 43)			the data
+
+		// Basic 16b,2c,44kHz Wave-Header
+		char riffHeader[] =
+		{
+		  0x52, 0x49, 0x46, 0x46, // 0  "AIFF"
+		  0x00, 0x00, 0x00, 0x00, // 4  wavSize
+		  0x57, 0x41, 0x56, 0x45, // 8  "WAVE"
+		  0x66, 0x6d, 0x74, 0x20, // 12 "fmt "
+		  0x10, 0x00, 0x00, 0x00, // 16
+		  0x01, 0x00, 0x02, 0x00, // 20
+		  0x44, 0xac, 0x00, 0x00, // 24
+		  0x10, 0xb1, 0x02, 0x00, // 28
+		  0x04, 0x00, 0x10, 0x00, // 32
+		  0x64, 0x61, 0x74, 0x61, // 36 "data"
+		  0x00, 0x00, 0x00, 0x00  // 40 byteCount
+		};
+
+		long wavSize = _file->size() - 8;
+		write32( riffHeader, wavSize, 4 );
+
+		write16( riffHeader, channels(), 22 );
+		write32( riffHeader, samplingRate(), 24 );
+		write16( riffHeader, bits(), 34 );
+
+		long byteCount = wavSize - 44;
+		write32( riffHeader, byteCount, 40 );
+
+		_file->at( 0 );
+		_file->writeBlock( riffHeader, 44 );
+		_file->at( _file->size() );
+
+		_file->close();
+		delete _file;
+		_file = 0;
+
+		return true;
+	} else return false;
+}
+
+// vim:sw=4:ts=4