# HG changeset patch
# User Chris Cannam
# Date 1163429337 0
# Node ID 05015e717a0d72be3d0d1bbd941ffd1d7ae52693
# Parent  dbd34ff746c7cee472b2c5ca9010424ff74c30df
* Somewhat better handling of running out of memory or disc space

diff -r dbd34ff746c7 -r 05015e717a0d layer/SpectrogramLayer.cpp
--- a/layer/SpectrogramLayer.cpp	Fri Nov 10 13:27:57 2006 +0000
+++ b/layer/SpectrogramLayer.cpp	Mon Nov 13 14:48:57 2006 +0000
@@ -29,6 +29,7 @@
 #include <QRect>
 #include <QTimer>
 #include <QApplication>
+#include <QMessageBox>
 
 #include <iostream>
 
@@ -1576,6 +1577,7 @@
     size_t fftSize = getFFTSize(v);
 
     if (m_fftModels.find(v) != m_fftModels.end()) {
+        if (m_fftModels[v].first == 0) return 0;
         if (m_fftModels[v].first->getHeight() != fftSize / 2) {
             delete m_fftModels[v].first;
             m_fftModels.erase(v);
@@ -1593,6 +1595,16 @@
                                        true,
                                        m_candidateFillStartFrame);
 
+        if (!model->isOK()) {
+            QMessageBox::critical
+                (0, tr("FFT cache failed"),
+                 tr("Failed to create the FFT model for this spectrogram.\n"
+                    "There may be insufficient memory or disc space to continue."));
+            delete model;
+            m_fftModels[v] = FFTFillPair(0, 0);
+            return 0;
+        }
+
         m_fftModels[v] = FFTFillPair(model, 0);
 
         model->resume();