optimize, remove an if statement from loop

1 files changed, 60 insertions, 56 deletions

diff --git a/core/applets/vmemo/vmemo.cpp b/core/applets/vmemo/vmemo.cpp
index 1ead4dd..835f63a 100644
--- a/core/applets/vmemo/vmemo.cpp
+++ b/core/applets/vmemo/vmemo.cpp
@@ -269,7 +269,7 @@ void VMemo::paintEvent( QPaintEvent* ) {
   p.drawPixmap( 0, 1,( const char** )  vmemo_xpm );
 }
 
-void VMemo::mousePressEvent( QMouseEvent * me) {
+void VMemo::mousePressEvent( QMouseEvent * /*me*/) {
   /*  No mousePress/mouseRelease recording on the iPAQ. The REC button on the iPAQ calls these functions
          mousePressEvent and mouseReleaseEvent with a NULL parameter.  */
 
@@ -485,78 +485,82 @@ int VMemo::openWAV(const char *filename) {
 
 bool VMemo::record() {
                 length = 0;
-                int result, value;
+    int bytesWritten = 0;
+                int result = 0;
+                int value = 0;
                 QString msg;
                 msg.sprintf("Recording format %d", format);
                 odebug << msg << oendl;
                 Config config("Vmemo");
                 config.setGroup("Record");
-                int sRate=config.readNumEntry("SizeLimit", 30);
+                int sRate = config.readNumEntry("SizeLimit", 30);
                 if(sRate > 0)
                                 t_timer->start( sRate * 1000+1000, TRUE);
 
-//    if(systemZaurus) {
-//    } else { // 16 bit only capabilities
-
     msg.sprintf("Recording format other");
     odebug << msg << oendl;
 
+    config.setGroup("Defaults");
+    useADPCM = config.readBoolEntry("use_ADPCM", 0);
 
-    int bytesWritten = 0;
-
-    Config vmCfg("Vmemo");
-    vmCfg.setGroup("Defaults");
-    useADPCM = vmCfg.readBoolEntry("use_ADPCM", 0);
-
-        int bufsize = vmCfg.readNumEntry("BufferSize",1024);
-        signed short sound[bufsize], monoBuffer[bufsize];
+                int bufsize = config.readNumEntry("BufferSize",1024);
+                unsigned short sound[bufsize]; //, monoBuffer[bufsize];
     char abuf[bufsize / 2];
     short sbuf[bufsize];
 
-    while(recording)  {
-
-        if(useADPCM)
-            result = ::read(dsp, sbuf, bufsize); // 8192
-        else
-            result = ::read(dsp, sound, bufsize); // 8192
-        if( result <= 0) {
-                                                perror("recording error ");
-//          odebug << currentFileName << oendl;
-                                                QMessageBox::message(tr("Note"),tr("error recording"));
-                                                recording = FALSE;
-                                                break;
-                                                return FALSE;
-        }
-
-        if(useADPCM) {
-            adpcm_coder( sbuf, abuf, result/2, &encoder_state);
-            bytesWritten = ::write(wav, abuf, result/4);
-
-        } else {
-//             for (int i = 0; i < result; i++) { //since Z is mono do normally
-//                 monoBuffer[i] = sound[i];
-//             }
-
-            length += write(wav, sound, result);
-        }
-        length += bytesWritten;
-
-                                if(length<0) {
-                                                recording = false;
-                                                perror("dev/dsp's is a lookin' messy");
-                                                QMessageBox::message("Vmemo","Error writing to file\n"+ fileName);
-                                                break;
-                                                return FALSE;
+                if(useADPCM) {
+                                while(recording) {
+                                                result = ::read(dsp, sbuf, bufsize); // adpcm read
+                                                if( result <= 0) {
+                                                                perror("recording error ");
+                                                                QMessageBox::message(tr("Note"),tr("error recording"));
+                                                                recording = FALSE;
+                                                                break;
+                                                                return FALSE;
+                                                }
+                                                adpcm_coder( sbuf, abuf, result/2, &encoder_state);
+                                                bytesWritten = ::write(wav, abuf, result/4); // adpcm write
+                                                length += bytesWritten;
+
+                                                if(length < 0) {
+                                                                recording = false;
+                                                                perror("dev/dsp's is a lookin' messy");
+                                                                QMessageBox::message("Vmemo","Error writing to file\n"+ fileName);
+                                                                break;
+                                                                return FALSE;
+                                                }
+                                                        //       printf("%d\r", length);
+                                                        //       fflush(stdout);
+                                                qApp->processEvents();
                                 }
-                                        //       odebug << "" << length << "\r" << oendl;
-                                        //       fflush(stdout);
-                                qApp->processEvents();
-    }
+                } else {
+                                while(recording) {
+                                                result = ::read(dsp, sound, bufsize); // read
+                                                if( result <= 0) {
+                                                                perror("recording error ");
+                                                                QMessageBox::message(tr("Note"),tr("error recording"));
+                                                                recording = FALSE;
+                                                                break;
+                                                                return FALSE;
+
+                                                                bytesWritten = ::write(wav, sound, result); // write
+                                                                length += bytesWritten;
+
+                                                                if(length < 0) {
+                                                                                recording = false;
+                                                                                perror("dev/dsp's is a lookin' messy");
+                                                                                QMessageBox::message("Vmemo","Error writing to file\n"+ fileName);
+                                                                                break;
+                                                                                return FALSE;
+                                                                }
+                                                                        //       printf("%d\r", length);
+                                                                        //       fflush(stdout);
+                                                                qApp->processEvents();
+                                                }
+                                }
+                }
                         //  qDebug("file has length of %d lasting %d seconds",
                         //         length, (( length / speed) / channels) / 2 );
-                        //  }
-
-                        //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<//
 
                 value = length + 36;
 
@@ -582,7 +586,7 @@ bool VMemo::record() {
                 QString currentFileName = fileName;
                 QString currentFile = "vm_"+ date;
 
-                float numberOfRecordedSeconds=(float) length / (float)speed * (float)2;
+                float numberOfRecordedSeconds = (float) length / (float)speed * (float)2;
 
                 cfgO.writeEntry( "NumberofFiles", nFiles + 1);
                 cfgO.writeEntry( QString::number( nFiles + 1), currentFile);