some uses of size_t

src/WaveTrack.cpp

@@ -1429,7 +1429,7 @@ bool WaveTrack::InsertSilence(double t, double len)
 bool WaveTrack::Disjoin(double t0, double t1)
 {
    sampleCount minSamples = TimeToLongSamples( WAVETRACK_MERGE_POINT_TOLERANCE );
-   sampleCount maxAtOnce = 1048576;
+   size_t maxAtOnce = 1048576;
    float *buffer = new float[ maxAtOnce ];
    Regions regions;
 

src/blockfile/LegacyBlockFile.cpp

@@ -298,7 +298,7 @@ BlockFilePtr LegacyBlockFile::BuildFromXML(const wxString &projDir, const wxChar
                                          sampleCount len, sampleFormat format)
 {
    wxFileNameWrapper fileName;
-   sampleCount summaryLen = 0;
+   size_t summaryLen = 0;
    bool noRMS = false;
    long nValue;
 
@@ -324,6 +324,7 @@ BlockFilePtr LegacyBlockFile::BuildFromXML(const wxString &projDir, const wxChar
          else if (!wxStrcmp(attr, wxT("format")) && XMLValueChecker::IsValidSampleFormat(nValue))
             format = (sampleFormat)nValue;
          else if (!wxStrcmp(attr, wxT("summarylen")) && (nValue > 0))
+            // Note attribute "summarylen" was written as int, no need for 64 bits
             summaryLen = nValue;
       }
    }

src/effects/AutoDuck.cpp

@@ -288,7 +288,7 @@ bool EffectAutoDuck::Process()
    int rmsPos = 0;
    float rmsSum = 0;
    float *rmsWindow = new float[kRMSWindowSize];
-   for (i = 0; i < kRMSWindowSize; i++)
+   for (size_t i = 0; i < kRMSWindowSize; i++)
       rmsWindow[i] = 0;
 
    float *buf = new float[kBufSize];
@@ -393,7 +393,7 @@ bool EffectAutoDuck::Process()
 
          WaveTrack* t = (WaveTrack*)iterTrack;
 
-         for (i = 0; i < (int)regions.GetCount(); i++)
+         for (size_t i = 0; i < regions.GetCount(); i++)
          {
             const AutoDuckRegion& region = regions[i];
             if (ApplyDuckFade(trackNumber, t, region.t0, region.t1))

src/effects/Compressor.cpp

@@ -366,7 +366,7 @@ bool EffectCompressor::InitPass1()
       DisableSecondPass();
 
    // Find the maximum block length required for any track
-   sampleCount maxlen=0;
+   size_t maxlen = 0;
    SelectedTrackListOfKindIterator iter(Track::Wave, mTracks);
    WaveTrack *track = (WaveTrack *) iter.First();
    while (track) {

src/effects/DtmfGen.cpp

@@ -534,7 +534,7 @@ bool EffectDtmf::MakeDtmfTone(float *buffer, sampleCount len, float fs, wxChar t
    // generate a fade-in of duration 1/250th of second
    if (last == 0) {
       A = (fs / kFadeInOut);
-      for(sampleCount i = 0; i < A; i++) {
+      for(size_t i = 0; i < A; i++) {
          buffer[i] *= i/A;
       }
    }
@@ -548,7 +548,7 @@ bool EffectDtmf::MakeDtmfTone(float *buffer, sampleCount len, float fs, wxChar t
       // protect against negative offset, which can occur if too a
       // small selection is made
       if (offset >= 0) {
-         for(sampleCount i = 0; i < A; i++) {
+         for(size_t i = 0; i < A; i++) {
             buffer[i + offset] *= (1 - (i / A));
          }
       }