removed the malloc from the constructor of a read-only AudioSampleBuffer

juce_amalgamated.cpp

@@ -23699,7 +23699,11 @@ AudioSampleBuffer::AudioSampleBuffer (float** dataToReferTo,
 {
     jassert (numChannels_ > 0);
 
-    channels = (float**) juce_malloc ((numChannels_ + 1) * sizeof (float*));
+    // (try to avoid doing a malloc here, as that'll blow up things like Pro-Tools)
+    if (numChannels_ < numElementsInArray (preallocatedChannelSpace))
+        channels = (float**) preallocatedChannelSpace;
+    else
+        channels = (float**) juce_malloc ((numChannels_ + 1) * sizeof (float*));
 
     for (int i = 0; i < numChannels_; ++i)
     {
@@ -23788,7 +23792,9 @@ const AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer&
 AudioSampleBuffer::~AudioSampleBuffer() throw()
 {
     juce_free (allocatedData);
-    juce_free (channels);
+
+    if (channels != (float**) preallocatedChannelSpace)
+        juce_free (channels);
 }
 
 float* AudioSampleBuffer::getSampleData (const int channelNumber,

juce_amalgamated.h

@@ -27182,6 +27182,7 @@ private:
     int numChannels, size, allocatedBytes;
     float** channels;
     float* allocatedData;
+    float* preallocatedChannelSpace [32];
 };
 
 #endif   // __JUCE_AUDIOSAMPLEBUFFER_JUCEHEADER__
@@ -45853,9 +45854,6 @@ private:
 #endif
 #ifndef __JUCE_TOOLBARITEMCOMPONENT_JUCEHEADER__
 
-#endif
-#ifndef __JUCE_TREEVIEW_JUCEHEADER__
-
 #endif
 #ifndef __JUCE_TEXTEDITOR_JUCEHEADER__
 
@@ -46649,6 +46647,9 @@ private:
 #endif
 #ifndef __JUCE_LABEL_JUCEHEADER__
 
+#endif
+#ifndef __JUCE_TREEVIEW_JUCEHEADER__
+
 #endif
 #ifndef __JUCE_SLIDERPROPERTYCOMPONENT_JUCEHEADER__
 

src/juce_appframework/audio/dsp/juce_AudioSampleBuffer.cpp

@@ -71,7 +71,11 @@ AudioSampleBuffer::AudioSampleBuffer (float** dataToReferTo,
 {
     jassert (numChannels_ > 0);
 
-    channels = (float**) juce_malloc ((numChannels_ + 1) * sizeof (float*));
+    // (try to avoid doing a malloc here, as that'll blow up things like Pro-Tools)
+    if (numChannels_ < numElementsInArray (preallocatedChannelSpace))
+        channels = (float**) preallocatedChannelSpace;
+    else
+        channels = (float**) juce_malloc ((numChannels_ + 1) * sizeof (float*));
 
     for (int i = 0; i < numChannels_; ++i)
     {
@@ -160,7 +164,9 @@ const AudioSampleBuffer& AudioSampleBuffer::operator= (const AudioSampleBuffer&
 AudioSampleBuffer::~AudioSampleBuffer() throw()
 {
     juce_free (allocatedData);
-    juce_free (channels);
+    
+    if (channels != (float**) preallocatedChannelSpace)
+        juce_free (channels);
 }
 
 float* AudioSampleBuffer::getSampleData (const int channelNumber,

src/juce_appframework/audio/dsp/juce_AudioSampleBuffer.h

@@ -409,6 +409,7 @@ private:
     int numChannels, size, allocatedBytes;
     float** channels;
     float* allocatedData;
+    float* preallocatedChannelSpace [32];
 };