Fix various warning

3 files changed, 5 insertions, 1 deletions

diff --git a/noncore/multimedia/camera/cmd/capture.cpp b/noncore/multimedia/camera/cmd/capture.cpp
index 688622b..6b8c63c 100644
--- a/noncore/multimedia/camera/cmd/capture.cpp
+++ b/noncore/multimedia/camera/cmd/capture.cpp
@@ -1,192 +1,195 @@
 /**********************************************************************
 ** Copyright (C) 2003 Michael 'Mickey' Lauer.  All rights reserved.
 **
 ** This file is part of Opie Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "capture.h"
 
 #include "zcameraio.h"
 #include "imageio.h"
 #include "avi.h"
 
 #include <opie2/oapplication.h>
 #include <opie2/odebug.h>
 
 #include <qimage.h>
 
 using namespace Opie::Core;
 using namespace Opie::Core;
 Capturer::Capturer()
          :QFrame( 0 ), height( 320 ), width( 240 ), zoom( 1 ), quality( 90 ),
          flip( "A" ), format( "JPEG" ), name( "Untitled" )
 {
 }
 
 
 Capturer::~Capturer()
 {
 }
 
 
 void Capturer::checkSettings()
 {
     if ( width > height )
     {
         if ( 0 != width % 16 || width < 16 || width > 640 )
         {
             printf( "Warning: Corrected X resolution to 320 px\n" );
             width = 320;
         }
         if ( 0 != height % 16 || height < 16 || height > 480 )
         {
             printf( "Warning: Corrected Y resolution to 240 px\n" );
             height = 240;
         }
     }
     else
     {
         if ( 0 != width % 16 || width < 16 || width > 480 )
         {
             printf( "Warning: Corrected X resolution to 240 px\n" );
             width = 240;
         }
         if ( 0 != height % 16 || height < 16 || height > 640 )
         {
             printf( "Warning: Corrected Y resolution to 320 px\n" );
             height = 320;
         }
     }
 
     if ( quality > 100 || quality < 10 )
     {
         printf( "Warning: Corrected quality to 75%%\n" );
         quality = 75;
     }
 
     if ( zoom > 2 || zoom < 1 )
     {
         printf( "Warning: Corrected zoom to x1\n" );
         zoom = 1;
     }
 
     if ( format != "JPEG" && format != "PNG" && format != "BMP" )
     {
         printf( "Warning: Corrected format to 'JPEG'\n" );
         format = "JPEG";
     }
 }
 
 
 void Capturer::capture()
 {
     if ( flip == "A" )
         ZCameraIO::instance()->setFlip( ZCameraIO::AUTOMATICFLIP );
     else if ( flip == "0" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XNOFLIP | ZCameraIO::YNOFLIP );
     else if ( flip == "X" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XFLIP );
     else if ( flip == "Y" )
         ZCameraIO::instance()->setFlip( ZCameraIO::YFLIP );
     else if ( flip == "*" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XFLIP | ZCameraIO::YFLIP );
 
     ZCameraIO::instance()->captureFrame( width, height, zoom, &image );
     QImage im = image.convertDepth( 32 );
     bool result = im.save( name, format, quality );
     if ( !result )
     {
         printf( "QImageio-Problem while writing.\n" );
     }
     else
     {
         printf( "Ok.\n" );
     }
 }
 
 
 void usage()
 {
     printf( "Usage: ./capture [options] filename\n\n" );
     printf( "  -x xresolution (dividable by 16) [default=240]\n" );
     printf( "  -y xresolution (dividable by 16) [default=320]\n" );
     printf( "  -q quality (10-100) [default=75]\n" );
     printf( "  -f flip (A=auto, 0, X, Y, *=both) [default=Auto]\n" );
     printf( "  -o output format (JPEG,BMP,PNG) [default=JPEG]\n" );
     printf( "  -z zoom (1-2) [default=1]\n" );
 }
 
 int main( int argc, char** argv )
 {
     OApplication* a = new OApplication( argc, argv, "Capture" );
     Capturer* c = new Capturer();
 
     if ( argc < 2 )
     {
         usage();
         return -1;
     }
 
     #define I_HATE_WRITING_HARDCODED_PARSES
 
     int i = 1;
     while ( i < argc )
     {
         // check for filename
         if ( argv[i][0] != '-' )
         {
             if ( argc != i+1 )
             {
                 usage();
                 return -1;
             }
             else
             {
                 c->name = argv[i];
                 break;
             }
         }
         else
         {
             i++;
             if ( argc == i )
             {
                 usage();
                 return -1;
             }
             switch ( argv[i-1][1] )
             {
                 case 'x': c->width = QString( argv[i] ).toInt(); break;
                 case 'y': c->height = QString( argv[i] ).toInt(); break;
                 case 'z': c->zoom = QString( argv[i] ).toInt(); break;
                 case 'o': c->format = QString( argv[i] ); break;
                 case 'q': c->quality = QString( argv[i] ).toInt(); break;
                 case 'f': c->flip = QString( argv[i] )[0]; break;
                 default: usage(); return -1;
             }
             i++;
         }
 
     #undef I_HATE_WRITING_HARDCODED_PARSES
     }
 
     if ( !ZCameraIO::instance()->isOpen() )
     {
         printf( "Error: Can't detect your camera. Exiting.\n" );
         return -1;
     }
 
     c->checkSettings();
     c->capture();
+
+    delete c;
+    delete a;
     return 0;
 }
 
diff --git a/noncore/multimedia/camera/gui/mainwindow.cpp b/noncore/multimedia/camera/gui/mainwindow.cpp
index 7f2a9bd..bde448d 100644
--- a/noncore/multimedia/camera/gui/mainwindow.cpp
+++ b/noncore/multimedia/camera/gui/mainwindow.cpp
@@ -357,375 +357,375 @@ void CameraMainWindow::zoomMenuItemClicked( QAction* a )
 }
 
 
 void CameraMainWindow::flipMenuItemClicked( QAction* a )
 {
     flip = QString( a->text().at(0) );
     odebug << "Flip now: " << flip << oendl;
     if ( flip == "A" )
         ZCameraIO::instance()->setFlip( ZCameraIO::AUTOMATICFLIP );
     else if ( flip == "0" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XNOFLIP | ZCameraIO::YNOFLIP );
     else if ( flip == "X" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XFLIP );
     else if ( flip == "Y" )
         ZCameraIO::instance()->setFlip( ZCameraIO::YFLIP );
     else if ( flip == "*" )
         ZCameraIO::instance()->setFlip( ZCameraIO::XFLIP | ZCameraIO::YFLIP );
 
     updateCaption();
 }
 
 
 void CameraMainWindow::outputToMenuItemClicked( QAction* a )
 {
     if ( a->text() == "&Custom..." )
     {
         QMap<QString, QStringList> map;
         map.insert( tr("All"), QStringList() );
         QStringList text;
         text << "text/*";
         map.insert(tr("Text"), text );
         text << "*";
         map.insert(tr("All"), text );
 
         QString str;
         str = OFileDialog::getSaveFileName( 2, "/", QString::null, map );
         if ( str.isEmpty() || !QFileInfo(str).isDir() )
         {
             docfolder->setOn( true );
             outputTo = "Documents Folder";
         }
         else
         {
             outputTo = str;
         }
     }
     else
     {
         outputTo = a->text();
     }
     odebug << "Output to now: " << outputTo << oendl;
 }
 
 
 void CameraMainWindow::outputMenuItemClicked( QAction* a )
 {
     captureFormat = a->text();
     odebug << "Output format now: " << captureFormat << oendl;
     updateCaption();
 }
 
 
 void CameraMainWindow::prefixItemChoosen()
 {
     QDialog* d = new QDialog( this, "dialog", true );
     d->setCaption( "Enter Prefix..." );
     QVBoxLayout* v = new QVBoxLayout( d );
     QLineEdit* le = new QLineEdit( prefix, d );
     v->addWidget( le );
     le->setFixedWidth( 150 ); //FIXME: 'tis a bit dirty
     if ( d->exec() == QDialog::Accepted )
         prefix = le->text();
     odebug << "Prefix now: " << prefix << oendl;
 }
 
 
 void CameraMainWindow::appendSettingsChoosen()
 {
     appendSettings = !appendSettings;
     odebug << "appendSettings now: " << appendSettings << oendl;
 }
 
 
 void CameraMainWindow::shutterClicked()
 {
     if ( captureFormat != "AVI" ) // capture one photo per shutterClick
     {
         Global::statusMessage( "CAPTURING..." );
         qApp->processEvents();
 
         odebug << "Shutter has been pressed" << oendl;
         ODevice::inst()->playTouchSound();
 
         performCapture( captureFormat );
     }
     else // capture video! start with one shutter click and stop with the next
     {
         !_capturing ? startVideoCapture() : stopVideoCapture();
     }
 }
 
 
 void CameraMainWindow::performCapture( const QString& format )
 {
     QString name;
 
     if ( outputTo == "Documents Folder" )
     {
         name.sprintf(  "%s/Documents/image/%s/", (const char*) QDir::homeDirPath(), (const char*) captureFormat.lower() );
         if ( !QDir( name ).exists() )
         {
             odebug << "creating directory " << name << oendl;
             QString msg = "mkdir -p " + name;
             system( msg.latin1() );
         }
     }
     else
         name = outputTo;
 
     name.append( prefix );
     if ( appendSettings )
     {
         name.append( QString().sprintf( "_%d_%d_q%d", captureX, captureY, quality ) );
     }
     name.append( QString().sprintf( "-%d.%s", _pics++, (const char*) captureFormat.lower() ) );
 
     QImage i;
     ZCameraIO::instance()->captureFrame( captureX, captureY, zoom, &i );
     QImage im = i.convertDepth( 32 );
     bool result = im.save( name, format, quality );
     if ( !result )
     {
         oerr << "imageio-Problem while writing." << oendl;
         Global::statusMessage( "Error!" );
     }
     else
     {
         odebug << captureFormat << "-image has been successfully captured" << oendl;
         Global::statusMessage( "Ok." );
     }
 }
 
 
 void CameraMainWindow::startVideoCapture()
 {
     ODevice::inst()->playTouchSound();
     ODevice::inst()->setLedState( Led_Mail, Led_BlinkSlow );
 
     _capturefd = ::open( CAPTUREFILE, O_WRONLY | O_CREAT | O_TRUNC );
     if ( _capturefd == -1 )
     {
         owarn << "can't open capture file: " << strerror(errno) << oendl;
         return;
     }
 
     _capturebuf = new unsigned char[captureX*captureY*2];
     _capturing = true;
     _videopics = 0;
     _framerate = 0;
     updateCaption();
     _time.start();
     preview->setRefreshingRate( 1000 );
     startTimer( 100 ); // too fast but that is ok
 }
 
 
 void CameraMainWindow::timerEvent( QTimerEvent* )
 {
     if ( !_capturing )
     {
         odebug << "timer event in CameraMainWindow without capturing video ?" << oendl;
         return;
     }
 
     odebug << "timer event during video - now capturing frame #" << _videopics+1 << oendl;
 
     ZCameraIO::instance()->captureFrame( captureX, captureY, zoom, _capturebuf );
     _videopics++;
     ::write( _capturefd, _capturebuf, captureX*captureY*2 );
     setCaption( QString().sprintf( "Capturing %dx%d @ %.2f fps %d",
         captureX, captureY, 1000.0 / (_time.elapsed()/_videopics), _videopics ) );
 }
 
 
 void CameraMainWindow::stopVideoCapture()
 {
     killTimers();
     ODevice::inst()->playTouchSound();
     ODevice::inst()->setLedState( Led_Mail, Led_Off );
     _capturing = false;
     updateCaption();
     ::close( _capturefd );
-    _framerate = 1000.0 / (_time.elapsed()/_videopics);
+    _framerate = static_cast<int>( 1000.0 / (_time.elapsed()/_videopics) );
 
     QString name;
     if ( outputTo == "Documents Folder" )
     {
         name.sprintf(  "%s/Documents/video/%s/", (const char*) QDir::homeDirPath(), (const char*) captureFormat.lower() );
         if ( !QDir( name ).exists() )
         {
             odebug << "creating directory " << name << oendl;
             QString msg = "mkdir -p " + name;
             system( msg.latin1() );
         }
     }
     else
         name = outputTo;
 
     name.append( "/" ); // sure is sure and safe is safe ;-)
     name.append( prefix );
     if ( appendSettings )
         name.append( QString().sprintf( "_%d_%d_q%d_%dfps", captureX, captureY, quality, _framerate ) );
     name.append( QString().sprintf( "-%d.%s", _videos++, (const char*) captureFormat.lower() ) );
     postProcessVideo( CAPTUREFILE, name );
 
     #ifndef QT_NO_DEBUG
     preview->setRefreshingRate( 1500 );
     #else
     preview->setRefreshingRate( 200 );
     #endif
 
     //delete[] _capturebuf; //FIXME: close memory leak
 }
 
 void CameraMainWindow::postProcessVideo( const QString& infile, const QString& outfile )
 {
     odebug << "post processing " << infile << " --> " << outfile << oendl;
 
     preview->setRefreshingRate( 0 );
 
     /*
     unsigned char buf[153600];
 
     int fd = ::open( "/var/compile/opie/noncore/multimedia/camera/capture-320x240.dat", O_RDONLY );
     ::read( fd, &buf, 153600 );
     QImage i;
     bufferToImage( 240, 320, (unsigned char*) &buf, &i );
     QPixmap p;
     p.convertFromImage( i );
     preview->setPixmap( p );
     imageToFile( &i, "/tmp/tmpfile", "JPEG", 100 );
     return;
     */
 
     QDialog* fr = new QDialog( this, "splash", false, QWidget::WStyle_StaysOnTop ); //, false, QWidget::WStyle_NoBorder | QWidget::WStyle_Customize );
     fr->setCaption( "Please wait..." );
     QVBoxLayout* box = new QVBoxLayout( fr, 2, 2 );
     QProgressBar* bar = new QProgressBar( fr );
     bar->setCenterIndicator( true );
     bar->setTotalSteps( _videopics-1 );
     QLabel* label = new QLabel( "Post processing frame bla/bla", fr );
     box->addWidget( bar );
     box->addWidget( label );
     fr->show();
     label->show();
     bar->show();
     fr->repaint();
     qApp->processEvents();
 
     // open files
 
     int infd = ::open( (const char*) infile, O_RDONLY );
     if ( infd == -1 )
     {
         owarn << "couldn't open capture file: " << strerror(errno) << oendl;
         return;
     }
 
     int outfd = ::open( (const char*) outfile, O_CREAT | O_WRONLY | O_TRUNC, 0644 );
     if ( outfd == -1 )
     {
         owarn << "couldn't open output file: " << strerror(errno) << oendl;
         return;
     }
 
     int framesize = captureX*captureY*2;
 
     unsigned char* inbuffer = new unsigned char[ framesize ];
     QImage image;
 
     avi_start( outfd, _videopics ); // write preambel
 
     // post process
 
     for ( int i = 0; i < _videopics; ++i )
     {
         odebug << "processing frame " << i << oendl;
 
         // <gui>
         label->setText( QString().sprintf( "Post processing frame %d / %d", i+1, _videopics ) );
         bar->setProgress( i );
         bar->repaint();
         qApp->processEvents();
         // </gui>
 
         int read = ::read( infd, inbuffer, framesize );
         odebug << "read " << read << " bytes" << oendl;
         bufferToImage( captureX, captureY, inbuffer, &image );
 
         QPixmap p;
         p.convertFromImage( image );
         preview->setPixmap( p );
         preview->repaint();
         qApp->processEvents();
 
         #ifdef CAMERA_EXTRA_DEBUG
         QString tmpfilename;
         tmpfilename.sprintf( "/tmp/test/%04d.jpg", i );
         #else
         QString tmpfilename( "/tmp/tempfile" );
         #endif
 
         imageToFile( &image, tmpfilename, "JPEG", quality );
 
         QFile framefile( tmpfilename );
         if ( !framefile.open( IO_ReadOnly ) )
         {
             oerr << "can't process file: %s" << strerror(errno) << oendl;
             return; // TODO: clean up temp ressources
         }
 
         int filesize = framefile.size();
         odebug << "filesize for frame " << i << " = " << filesize << oendl;
 
         unsigned char* tempbuffer = new unsigned char[ filesize ];
         framefile.readBlock( (char*) tempbuffer, filesize );
         avi_add( outfd, tempbuffer, filesize );
         delete tempbuffer;
         framefile.close();
 
     }
 
     avi_end( outfd, captureX, captureY, _framerate );
     ::close( outfd );
     ::close( infd );
 
     label->setText( "deleting temp files..." );
     qApp->processEvents();
     odebug << "deleting temporary capturefile " << infile << oendl;
     QFile::remove( infile );
 
     fr->hide();
     delete fr;
 
     updateCaption();
 
 }
 
 
 void CameraMainWindow::updateCaption()
 {
     if ( !_capturing )
         setCaption( QString().sprintf( "Opie-Camera: %dx%d %s q%d z%d (%s)", captureX, captureY, (const char*) captureFormat.lower(), quality, zoom, (const char*) flip ) );
     else
         setCaption( "Opie-Camera: => CAPTURING <=" );
     qApp->processEvents();
 }
 
 
 #ifndef QT_NO_DEBUG
 void CameraMainWindow::doSomething()
 {
     captureX = 240;
     captureY = 320;
     _videopics = 50;
     _framerate = 5;
     postProcessVideo( "/var/compile/opie/noncore/multimedia/camera/capture.dat",
     "/tmp/output.avi" );
 }
 #else
 void CameraMainWindow::doSomething()
 {
 }
 #endif
 
diff --git a/noncore/multimedia/camera/lib/avi.c b/noncore/multimedia/camera/lib/avi.c
index 77aba33..d99c016 100644
--- a/noncore/multimedia/camera/lib/avi.c
+++ b/noncore/multimedia/camera/lib/avi.c
@@ -1,212 +1,213 @@
 /**********************************************************************
 ** Copyright (C) 2003 Michael 'Mickey' Lauer.  All rights reserved.
 ** Based on work from Andrew Tridgell and the jpegtoavi project
 **
 ** This file is part of Opie Environment.
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "avi.h"
 
 #include <string.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 int nframes;
 int totalsize;
 unsigned int* sizes;
 
 void fprint_quartet(int fd, unsigned int i)
 {
     char data[4];
 
     data[0] = (char) i%0x100;
     i /= 0x100;
     data[1] = (char) i%0x100;
     i /= 0x100;
     data[2] = (char) i%0x100;
     i /= 0x100;
     data[3] = (char) i%0x100;
 
     write( fd, &data, 4 );
 }
 
 // start writing an AVI file
 
 void avi_start(int fd, int frames)
 {
     int ofs = sizeof(struct riff_head)+
               sizeof(struct list_head)+
               sizeof(struct avi_head)+
               sizeof(struct list_head)+
               sizeof(struct stream_head)+
               sizeof(struct frame_head)+
               sizeof(struct list_head)+
               sizeof(struct dmlh_head)+
               sizeof(struct list_head);
 
     printf( "avi_start: frames = %d\n", frames );
 
     lseek(fd, ofs, SEEK_SET);
 
     nframes = 0;
     totalsize = 0;
 
     sizes = (unsigned int*) calloc( sizeof(unsigned int), frames );   // hold size of each frame
 }
 
 // add a jpeg frame to an AVI file
 void avi_add(int fd, u8 *buf, int size)
 {
     struct db_head db = {"00db", 0};
 
     printf( "avi_add: nframes = %d, totalsize = %d, size = %d\n", nframes, totalsize, size );
 
     // overwrite JFIF type with AVI1
     buf[6]='A';
     buf[7]='V';
     buf[8]='I';
     buf[9]='1';
 
     while( size%4 ) size++; // align 0 modulo 4*/
     db.size = size;
 
     write( fd, &db, sizeof(db) );
     write( fd, buf, size );
 
     sizes[nframes] = size;
 
     nframes++;
     totalsize += size;  // total frame size
 }
 
 // finish writing the AVI file - filling in the header
 void avi_end(int fd, int width, int height, int fps)
 {
     struct idx1_head idx = {"idx1", 16*nframes };
     struct db_head db = {"00db", 0};
     struct riff_head rh = { "RIFF", 0, "AVI "};
     struct list_head lh1 = {"LIST", 0, "hdrl"};
     struct avi_head ah;
     struct list_head lh2 = {"LIST", 0, "strl"};
     struct stream_head sh;
     struct frame_head fh;
     struct list_head lh3 = {"LIST", 0, "odml" };
     struct dmlh_head dh = {"dmlh", 4, nframes };
     struct list_head lh4 = {"LIST", 0, "movi"};
     int i;
     unsigned int offset = 4;
 
     printf( "avi_end: nframes = %d, fps = %d\n", nframes, fps );
 
     // write index
 
     write(fd, &idx, sizeof(idx));
 
     for ( i = 0; i < nframes; i++ )
     {
         write(fd, &db, 4 ); // only need the 00db
         fprint_quartet( fd, 18 );       // ???
         fprint_quartet( fd, offset );
         fprint_quartet( fd, sizes[i] );
         offset += sizes[i] + 8; //+8 (for the additional header)
     }
 
     free( sizes );
 
     bzero( &ah, sizeof(ah) );
     strcpy(ah.avih, "avih");
     ah.time = 1000000 / fps;
     ah.maxbytespersec = 1000000.0*(totalsize/nframes)/ah.time;
     ah.nframes = nframes;
     ah.numstreams = 1;
     ah.flags = AVIF_HASINDEX;
     ah.width = width;
     ah.height = height;
 
     bzero(&sh, sizeof(sh));
     strcpy(sh.strh, "strh");
     strcpy(sh.vids, "vids");
     strcpy(sh.codec, "MJPG");
     sh.scale = ah.time;
     sh.rate = 1000000;
     sh.length = nframes;
 
     bzero(&fh, sizeof(fh));
     strcpy(fh.strf, "strf");
     fh.width = width;
     fh.height = height;
     fh.planes = 1;
     fh.bitcount = 24;
     strcpy(fh.codec,"MJPG");
     fh.unpackedsize = 3*width*height;
 
     rh.size = sizeof(lh1)+sizeof(ah)+sizeof(lh2)+sizeof(sh)+
         sizeof(fh)+sizeof(lh3)+sizeof(dh)+sizeof(lh4)+
         nframes*sizeof(struct db_head)+
         totalsize + sizeof(struct idx1_head)+ (16*nframes) +4; // FIXME:16 bytes per nframe // the '4' - what for???
 
     lh1.size = 4+sizeof(ah)+sizeof(lh2)+sizeof(sh)+sizeof(fh)+sizeof(lh3)+sizeof(dh);
     ah.size = sizeof(ah)-8;
     lh2.size = 4+sizeof(sh)+sizeof(fh)+sizeof(lh3)+sizeof(dh);     //4+sizeof(sh)+sizeof(fh);
     sh.size = sizeof(sh)-8;
     fh.size = sizeof(fh)-8;
     fh.size2 = fh.size;
     lh3.size = 4+sizeof(dh);
     lh4.size = 4+ nframes*sizeof(struct db_head)+ totalsize;
 
     lseek(fd, 0, SEEK_SET);
 
     write(fd, &rh, sizeof(rh));
     write(fd, &lh1, sizeof(lh1));
     write(fd, &ah, sizeof(ah));
     write(fd, &lh2, sizeof(lh2));
     write(fd, &sh, sizeof(sh));
     write(fd, &fh, sizeof(fh));
     write(fd, &lh3, sizeof(lh3));
     write(fd, &dh, sizeof(dh));
     write(fd, &lh4, sizeof(lh4));
 }
 
 
 /* NOTE: This is not a general purpose routine - it is meant to only
    cope with AVIs saved using the other functions in this file
 void avi_explode(char *fname)
 {
         struct riff_head rh;
         struct list_head lh1;
         struct avi_head ah;
         struct list_head lh2;
         struct stream_head sh;
         struct frame_head fh;
         struct list_head lh3;
         int hsize, qsize;
         u16 *htables = jpeg_huffman_tables(&hsize);
         u16 *qtables = jpeg_quantisation_tables(&qsize, image_quality);
         int fd, i;
 
         fd = open(fname,O_RDONLY);
         if (fd == -1) {
                 perror(fname);
                 return;
         }
 
         read(fd, &rh, sizeof(rh));
         read(fd, &lh1, sizeof(lh1));
         read(fd, &ah, sizeof(ah));
         read(fd, &lh2, sizeof(lh2));
         read(fd, &sh, sizeof(sh));
         read(fd, &fh, sizeof(fh));
         read(fd, &lh3, sizeof(lh3));
 
         for (i=0; ; i++) {
                 u8 buf[500*1024];
                 struct db_head db;
                 char fname[100];