commit a large patch by Maarten Baert maarten-baert<at>hotmail<dot>com to fix and improve time track support. Several fix-me issues remain but none are new with this patch.

src/export/Export.cpp

@@ -274,16 +274,10 @@ Mixer* ExportPlugin::CreateMixer(int numInputTracks, WaveTrack **inputTracks,
          double outRate, sampleFormat outFormat,
          bool highQuality, MixerSpec *mixerSpec)
 {
-   double warpedStopTime;
-   double warpFactor = 1.0;
-   if(timeTrack)
-      warpFactor = timeTrack->ComputeWarpFactor(startTime, stopTime);
-
-   warpedStopTime = warpFactor >= 1.0 ? stopTime : (startTime + ((stopTime - startTime) / warpFactor));
-   printf("warpfactor %f, stoptime %f, warpstoptime %f\n",warpFactor, stopTime, warpedStopTime);
+   // MB: the stop time should not be warped, this was a bug.
    return new Mixer(numInputTracks, inputTracks,
                   timeTrack,
-                  startTime, warpedStopTime,
+                  startTime, stopTime,
                   numOutChannels, outBufferSize, outInterleaved,
                   outRate, outFormat,
                   highQuality, mixerSpec);
@@ -1213,14 +1207,3 @@ void ExportMixerDialog::OnCancel(wxCommandEvent &event)
    EndModal( wxID_CANCEL );
 }
 
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