# HG changeset patch
# User Chris Cannam
# Date 1399452195 -3600
# Node ID b2f0967cb8d1e24d503e33c5d5965b4d1e92efde
# Parent  c4eae816bdb382f114f9a89608245009c12a9764
Pull out shifted templates into separate arrays with proper alignment (trading off memory occupied against getting the alignments right)

diff -r c4eae816bdb3 -r b2f0967cb8d1 data/include/templates.h
--- a/data/include/templates.h	Wed May 07 09:08:52 2014 +0100
+++ b/data/include/templates.h	Wed May 07 09:43:15 2014 +0100
@@ -15,7 +15,7 @@
     const char *name;
     int lowest;
     int highest;
-    double data[SILVET_TEMPLATE_NOTE_COUNT][SILVET_TEMPLATE_SIZE];
+    float data[SILVET_TEMPLATE_NOTE_COUNT][SILVET_TEMPLATE_SIZE];
 } silvet_template_t;
 
 static int silvet_templates_lowest_note = 15;
diff -r c4eae816bdb3 -r b2f0967cb8d1 src/EM.cpp
--- a/src/EM.cpp	Wed May 07 09:08:52 2014 +0100
+++ b/src/EM.cpp	Wed May 07 09:43:15 2014 +0100
@@ -33,6 +33,9 @@
 
 static double epsilon = 1e-16;
 
+bool EM::m_initialised = false;
+double ****EM::m_templates = 0;
+
 EM::EM(bool useShifts) :
     m_noteCount(SILVET_TEMPLATE_NOTE_COUNT),
     m_shiftCount(useShifts ? SILVET_TEMPLATE_MAX_SHIFT * 2 + 1 : 1),
@@ -43,11 +46,24 @@
     m_lowestPitch(silvet_templates_lowest_note),
     m_highestPitch(silvet_templates_highest_note)
 {
+    if (!m_initialised) {
+        cerr << "ERROR: You must call EM::initialise() before constructing any EM objects" << endl;
+        abort();
+    }
+
     m_pitches = allocate<double>(m_noteCount);
     m_updatePitches = allocate<double>(m_noteCount);
     for (int n = 0; n < m_noteCount; ++n) {
         m_pitches[n] = drand48();
     }
+    
+    m_sources = allocate_channels<double>(m_sourceCount, m_noteCount);
+    m_updateSources = allocate_channels<double>(m_sourceCount, m_noteCount);
+    for (int i = 0; i < m_sourceCount; ++i) {
+        for (int n = 0; n < m_noteCount; ++n) {
+            m_sources[i][n] = (inRange(i, n) ? 1.0 : 0.0);
+        }
+    }
 
     if (useShifts) {
         m_shifts = allocate_channels<double>(m_shiftCount, m_noteCount);
@@ -61,14 +77,6 @@
         m_shifts = 0;
         m_updateShifts = 0;
     }
-    
-    m_sources = allocate_channels<double>(m_sourceCount, m_noteCount);
-    m_updateSources = allocate_channels<double>(m_sourceCount, m_noteCount);
-    for (int i = 0; i < m_sourceCount; ++i) {
-        for (int n = 0; n < m_noteCount; ++n) {
-            m_sources[i][n] = (inRange(i, n) ? 1.0 : 0.0);
-        }
-    }
 
     m_estimate = allocate<double>(m_binCount);
     m_q = allocate<double>(m_binCount);
@@ -87,6 +95,27 @@
 }
 
 void
+EM::initialise()
+{
+    //!!! need mutex
+
+    if (m_initialised) return;
+    m_templates = new double ***[SILVET_TEMPLATE_COUNT];
+    for (int i = 0; i < SILVET_TEMPLATE_COUNT; ++i) {
+        m_templates[i] = new double **[SILVET_TEMPLATE_NOTE_COUNT];
+        for (int n = 0; n < SILVET_TEMPLATE_NOTE_COUNT; ++n) {
+            m_templates[i][n] = new double *[SILVET_TEMPLATE_MAX_SHIFT * 2 + 1];
+            for (int f = 0; f < SILVET_TEMPLATE_MAX_SHIFT * 2 + 1; ++f) {
+                m_templates[i][n][f] = allocate<double>(SILVET_TEMPLATE_HEIGHT);
+                const float *t = silvet_templates[i].data[n] + f;
+                v_convert(m_templates[i][n][f], t, SILVET_TEMPLATE_HEIGHT);
+            }
+        }
+    }
+    m_initialised = true;
+}
+
+void
 EM::rangeFor(int instrument, int &minPitch, int &maxPitch)
 {
     minPitch = silvet_templates[instrument].lowest;
@@ -141,10 +170,9 @@
 EM::templateFor(int instrument, int note, int shift)
 {
     if (m_shifts) {
-        return silvet_templates[instrument].data[note] + shift;
+        return m_templates[instrument][note][shift];
     } else {
-        return silvet_templates[instrument].data[note] + 
-            SILVET_TEMPLATE_MAX_SHIFT;
+        return m_templates[instrument][note][SILVET_TEMPLATE_MAX_SHIFT];
     }
 }
 
diff -r c4eae816bdb3 -r b2f0967cb8d1 src/EM.h
--- a/src/EM.h	Wed May 07 09:08:52 2014 +0100
+++ b/src/EM.h	Wed May 07 09:43:15 2014 +0100
@@ -24,6 +24,8 @@
     EM(bool useShifts);
     ~EM();
 
+    static void initialise();
+
     int getBinCount() const { return m_binCount; } // size of input column
     int getNoteCount() const { return m_noteCount; } // size of pitch column
     int getSourceCount() const { return m_sourceCount; }
@@ -51,6 +53,9 @@
 
     double *m_estimate;
     double *m_q;
+
+    static bool m_initialised;
+    static double ****m_templates; // [source][note][shift][bin]
     
     const int m_noteCount;
     const int m_shiftCount; // 1 + 2 * max template shift
diff -r c4eae816bdb3 -r b2f0967cb8d1 src/Silvet.cpp
--- a/src/Silvet.cpp	Wed May 07 09:08:52 2014 +0100
+++ b/src/Silvet.cpp	Wed May 07 09:43:15 2014 +0100
@@ -43,6 +43,7 @@
     m_cq(0),
     m_hqMode(true)
 {
+    EM::initialise();
 }
 
 Silvet::~Silvet()