* Fix FFTW wisdom saving (do it only once)

* Add makedepend dependencies

Makefile.in

@@ -102,3 +102,40 @@ clean:
 distclean:	clean
 	rm -f $(PROGRAM_TARGET) $(STATIC_TARGET) $(DYNAMIC_TARGET) $(VAMP_TARGET) $(LADSPA_TARGET)
 
+# DO NOT DELETE
+
+src/AudioCurve.o: src/AudioCurve.h
+src/ConstantAudioCurve.o: src/ConstantAudioCurve.h src/AudioCurve.h
+src/FFT.o: src/FFT.h src/Thread.h
+src/HighFrequencyAudioCurve.o: src/HighFrequencyAudioCurve.h src/AudioCurve.h
+src/HighFrequencyAudioCurve.o: src/Window.h
+src/main.o: rubberband/RubberBandStretcher.h rubberband/TimeStretcher.h
+src/PercussiveAudioCurve.o: src/PercussiveAudioCurve.h src/AudioCurve.h
+src/Resampler.o: src/Resampler.h
+src/RubberBandStretcher.o: src/StretcherImpl.h
+src/RubberBandStretcher.o: rubberband/RubberBandStretcher.h
+src/RubberBandStretcher.o: rubberband/TimeStretcher.h src/Window.h
+src/RubberBandStretcher.o: src/Thread.h src/RingBuffer.h src/Scavenger.h
+src/RubberBandStretcher.o: src/FFT.h src/sysutils.h
+src/StretchCalculator.o: src/StretchCalculator.h
+src/StretcherChannelData.o: src/StretcherChannelData.h src/StretcherImpl.h
+src/StretcherChannelData.o: rubberband/RubberBandStretcher.h
+src/StretcherChannelData.o: rubberband/TimeStretcher.h src/Window.h
+src/StretcherChannelData.o: src/Thread.h src/RingBuffer.h src/Scavenger.h
+src/StretcherChannelData.o: src/FFT.h src/sysutils.h src/Resampler.h
+src/StretcherImpl.o: src/StretcherImpl.h rubberband/RubberBandStretcher.h
+src/StretcherImpl.o: rubberband/TimeStretcher.h src/Window.h src/Thread.h
+src/StretcherImpl.o: src/RingBuffer.h src/Scavenger.h src/FFT.h
+src/StretcherImpl.o: src/sysutils.h src/PercussiveAudioCurve.h
+src/StretcherImpl.o: src/AudioCurve.h src/HighFrequencyAudioCurve.h
+src/StretcherImpl.o: src/ConstantAudioCurve.h src/StretchCalculator.h
+src/StretcherImpl.o: src/StretcherChannelData.h src/Resampler.h
+src/StretcherProcess.o: src/StretcherImpl.h rubberband/RubberBandStretcher.h
+src/StretcherProcess.o: rubberband/TimeStretcher.h src/Window.h src/Thread.h
+src/StretcherProcess.o: src/RingBuffer.h src/Scavenger.h src/FFT.h
+src/StretcherProcess.o: src/sysutils.h src/PercussiveAudioCurve.h
+src/StretcherProcess.o: src/AudioCurve.h src/HighFrequencyAudioCurve.h
+src/StretcherProcess.o: src/ConstantAudioCurve.h src/StretchCalculator.h
+src/StretcherProcess.o: src/StretcherChannelData.h src/Resampler.h
+src/sysutils.o: src/sysutils.h
+src/Thread.o: src/Thread.h

src/FFT.cpp

@@ -13,6 +13,7 @@
 */
 
 #include "FFT.h"
+#include "Thread.h"
 
 
 #include <fftw3.h>
@@ -23,6 +24,8 @@
 #include <cstdio>
 #include <vector>
 
+namespace RubberBand {
+
 class FFTImpl
 {
 public:
@@ -52,22 +55,27 @@ public:
 class D_FFTW : public FFTImpl
 {
 public:
-    D_FFTW(unsigned int size) : m_size(size), m_fplanf(0), m_dplanf(0) { 
+    D_FFTW(unsigned int size) : m_size(size), m_fplanf(0), m_dplanf(0) {
     }
 
     ~D_FFTW() {
         if (m_fplanf) {
-	    //!!! shouldn't do this every time, but only when the last one
+            bool save = false;
-            // is destroyed (likewise shouldn't load every time) -- want
+            m_extantMutex.lock();
-            // a static refcount + mutex
+            if (m_extantf > 0 && --m_extantf == 0) save = true;
-            saveWisdom('f');
+            m_extantMutex.unlock();
+            if (save) saveWisdom('f');
             fftwf_destroy_plan(m_fplanf);
             fftwf_destroy_plan(m_fplani);
             fftwf_free(m_fbuf);
             fftwf_free(m_fpacked);
         }
         if (m_dplanf) {
-            saveWisdom('d');
+            bool save = false;
+            m_extantMutex.lock();
+            if (m_extantd > 0 && --m_extantd == 0) save = true;
+            m_extantMutex.unlock();
+            if (save) saveWisdom('d');
             fftw_destroy_plan(m_dplanf);
             fftw_destroy_plan(m_dplani);
             fftw_free(m_dbuf);
@@ -75,11 +83,13 @@ public:
         }
     }
 
-    //!!! check return values
-
     void initFloat() {
         if (m_fplanf) return;
-        loadWisdom('f');
+        bool load = false;
+        m_extantMutex.lock();
+        if (m_extantf++ == 0) load = true;
+        m_extantMutex.unlock();
+        if (load) loadWisdom('f');
         m_fbuf = (float *)fftw_malloc(m_size * sizeof(float));
         m_fpacked = (fftwf_complex *)fftw_malloc
             ((m_size/2 + 1) * sizeof(fftwf_complex));
@@ -91,7 +101,11 @@ public:
 
     void initDouble() {
         if (m_dplanf) return;
-        loadWisdom('d');
+        bool load = false;
+        m_extantMutex.lock();
+        if (m_extantd++ == 0) load = true;
+        m_extantMutex.unlock();
+        if (load) loadWisdom('d');
         m_dbuf = (double *)fftw_malloc(m_size * sizeof(double));
         m_dpacked = (fftw_complex *)fftw_malloc
             ((m_size/2 + 1) * sizeof(fftw_complex));
@@ -278,8 +292,20 @@ private:
     fftwf_complex *m_fpacked;
     double *m_dbuf;
     fftw_complex *m_dpacked;
+    static unsigned int m_extantf;
+    static unsigned int m_extantd;
+    static Mutex m_extantMutex;
 };
 
+unsigned int
+D_FFTW::m_extantf = 0;
+
+unsigned int
+D_FFTW::m_extantd = 0;
+
+Mutex
+D_FFTW::m_extantMutex;
+
 
 class D_Cross : public FFTImpl
 {
@@ -641,3 +667,5 @@ FFT::tune()
 {
 }
 
+
+}

src/FFT.h

@@ -15,8 +15,9 @@
 #ifndef _RUBBERBAND_FFT_H_
 #define _RUBBERBAND_FFT_H_
 
-class FFTImpl;
+namespace RubberBand {
 
+class FFTImpl;
 
 /**
  * Provide the basic FFT computations we need, using one of a set of
@@ -66,5 +67,7 @@ protected:
     static int m_method;
 };
 
+}
+
 #endif
 

src/main.cpp

@@ -237,6 +237,9 @@ int main(int argc, char **argv)
         frequencyshift *= pow(2.0, pitchshift / 12);
     }
 
+    struct timeval tv;
+    (void)gettimeofday(&tv, 0);
+
     RubberBandStretcher::setDefaultDebugLevel(debug);
 
     RubberBandStretcher ts(sfinfo.samplerate, channels, options,
@@ -251,9 +254,6 @@ int main(int argc, char **argv)
     int frame = 0;
     int percent = 0;
 
-    struct timeval tv;
-    (void)gettimeofday(&tv, 0);
-
     if (!realtime) {
 
         if (!quiet) {