/***************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2006 Lubos Lunak You can Freely distribute this program under the GNU General Public License. See the file "COPYING" for the exact licensing terms. ******************************************************************/ /* This effect allows recording a video from the session. Requires libcaptury: - svn co svn://battousai.mylair.de/captury/trunk/capseo - you may want to remove 1.10 from AUTOMAKE_OPTIONS in Makefile.am - ./autogen.sh - the usual configure && make && make install procedure (you may want to pass --enable-theora --with-accel=x86 [or amd64]) - svn co svn://battousai.mylair.de/captury/trunk/libcaptury - you may want to remove 1.10 from AUTOMAKE_OPTIONS in Makefile.am - ./autogen.sh - the usual configure && make && make install procedure Video is saved to /tmp/kwin_video.cps, use "cpsrecode -i kwin_video.cps -o - | mplayer -" to play, use mencoder the same way to create a video. */ #include #include "videorecord.h" #include #include #include namespace KWin { VideoRecordEffect::VideoRecordEffect() : client( NULL ) { KActionCollection* actionCollection = new KActionCollection( this ); KAction* a = static_cast< KAction* >( actionCollection->addAction( "VideoRecord" )); a->setText( i18n("Toggle Video Recording" )); a->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::Key_F11 )); connect( a, SIGNAL( triggered( bool )), this, SLOT( toggleRecording())); area = QRect( 0, 0, displayWidth(), displayHeight()); } VideoRecordEffect::~VideoRecordEffect() { stopRecording(); } void VideoRecordEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data ) { effects->paintScreen( mask, region, data ); if( client != NULL ) capture_region = region; } void VideoRecordEffect::postPaintScreen() { effects->postPaintScreen(); if( client != NULL ) { #if 1 if( CapturyProcessRegionStart( client ) == CAPTURY_SUCCESS ) { foreach( QRect r, capture_region.rects()) { int gly = displayHeight() - r.y() - r.height(); // opengl coords CapturyProcessRegion( client, r.x(), gly, r.width(), r.height()); } CapturyProcessRegionCommit( client ); } #else CapturyProcessFrame( client ); #endif } } void VideoRecordEffect::startRecording() { if( client != NULL ) stopRecording(); bzero( &config, sizeof( config )); config.x = area.x(); config.y = area.y(); config.width = area.width(); config.height = area.height(); config.scale = 0; config.fps = 30; // TODO config.deviceType = CAPTURY_DEVICE_GLX; // TODO config.deviceHandle = display(); config.windowHandle = rootWindow(); // TODO config.cursor = true; client = CapturyOpen( &config ); if( client == NULL ) { kDebug( 1212 ) << "Video recording init failed" << endl; return; } // TODO if( CapturySetOutputFileName( client, "/tmp/kwin_video.cps" ) != CAPTURY_SUCCESS ) { kDebug( 1212 ) << "Video recording file open failed" << endl; return; } effects->addRepaintFull(); // trigger reading initial screen contents into buffer kDebug( 1212 ) << "Video recording start" << endl; } void VideoRecordEffect::stopRecording() { if( client == NULL ) return; kDebug( 1212 ) << "Video recording stop" << endl; CapturyClose( client ); client = NULL; } void VideoRecordEffect::toggleRecording() { if( client == NULL ) startRecording(); else stopRecording(); } } // namespace #include "videorecord.moc"