Simple C library for partitioned convolution.

WWW:	http://tapas.affenbande.org/wordpress/?page_id=9

PR:		ports/111128
Submitted by:	trasz <trasz at pin.if.uz.zgora.pl>

3 files changed, 117 insertions, 0 deletions

diff --git a/audio/libconvolve/files/patch-Makefile b/audio/libconvolve/files/patch-Makefile
new file mode 100644
index 0000000..1ab141e
--- /dev/null
+++ b/audio/libconvolve/files/patch-Makefile
@@ -0,0 +1,32 @@
+--- Makefile.orig	Mon Apr  2 09:20:41 2007
++++ Makefile	Mon Apr  2 09:20:55 2007
+@@ -1,19 +1,18 @@
+ PREFIX=/usr/local
+ 
+-COMPILE_FLAGS  = -fPIC `pkg-config fftw3f samplerate sndfile --cflags`
++COMPILE_FLAGS  = $(CFLAGS) -fPIC `pkg-config fftw3f samplerate sndfile --cflags`
+ #COMPILE_FLAGS += -g
+-COMPILE_FLAGS += -O3 -funroll-loops -funroll-all-loops 
+ 
+ LINK_FLAGS    = `pkg-config fftw3f samplerate sndfile --libs` 
+ 
+ # uncomment the following line if libDSP is not available for
+ # your platform (power pc etc.)...
+ 
+-# COMPILE_FLAGS += -DC_CMUL
++COMPILE_FLAGS += -DC_CMUL
+ 
+ # ...and comment this one out:
+ 
+-LINK_FLAGS += -L/usr/local/lib -ldsp -lstdc++
++#LINK_FLAGS += -L/usr/local/lib -ldsp -lstdc++
+ 
+ 
+ ST_TARGET = libconvolve.a
+@@ -53,5 +52,5 @@
+ 	cp $(TARGET) $(PREFIX)/lib/
+ 	cp $(ST_TARGET) $(PREFIX)/lib/
+ 	cp convolve.h $(PREFIX)/include/
+-	ldconfig -n $(PREFIX)/lib
++	ln -s $(PREFIX)/lib/$(TARGET) $(PREFIX)/lib/$(SONAME) || true
+ 	ln -s $(PREFIX)/lib/$(SONAME) $(PREFIX)/lib/$(SMALLNAME) || true
diff --git a/audio/libconvolve/files/patch-convolution_init.c b/audio/libconvolve/files/patch-convolution_init.c
new file mode 100644
index 0000000..6c5bebc
--- /dev/null
+++ b/audio/libconvolve/files/patch-convolution_init.c
@@ -0,0 +1,74 @@
+--- convolution_init.c.orig	Mon Nov 28 00:24:57 2005
++++ convolution_init.c	Mon Apr  2 09:26:43 2007
+@@ -17,8 +17,19 @@
+ */
+ 
+ #include "convolve.h"
+-#include <malloc.h>
++#include <stdlib.h>
+ #include <math.h>
++#include <errno.h>
++
++int my_posix_memalign(void **memptr, size_t alignment, size_t size)
++{
++	*memptr = malloc(size);
++
++	if (*memptr != NULL)
++		return 0;
++	else
++		return errno;
++}
+ 
+ int convolution_init (convolution_t *conv,
+                       int number_of_responses,
+@@ -47,12 +58,12 @@
+ 	// allocate FFT buffers
+ 	// as r2c stores only N/2+1 results, we don't need the padded size for this
+ 	// conv->fft_complex = (fftwf_complex*)malloc (sizeof(fftwf_complex) * (conv->chunk_length + 1));
+-	posix_memalign(&conv->fft_complex, 16, sizeof(fftwf_complex) * (conv->chunk_length + 1));
++	my_posix_memalign(&conv->fft_complex, 16, sizeof(fftwf_complex) * (conv->chunk_length + 1));
+ 
+ 
+ 	// this one still needs to be 2 * chunk_length as we zero pad it
+ 	// conv->fft_real   = (float*)malloc (sizeof(float) * 2 * conv->chunk_length);
+-	posix_memalign(&conv->fft_real, 16, sizeof(float) * 2 * conv->chunk_length);
++	my_posix_memalign(&conv->fft_real, 16, sizeof(float) * 2 * conv->chunk_length);
+ 
+ 	// create fftw plans
+ 	conv->fft_plan_forward = fftwf_plan_dft_r2c_1d (2 * conv->chunk_length, 
+@@ -100,7 +111,7 @@
+                                          * (conv->chunk_length + 1)
+                                          * conv->fft_responses[index]->number_of_chunks);
+ 			*/
+-			posix_memalign(&conv->fft_responses[index]->channel_data[index2],
++			my_posix_memalign(&conv->fft_responses[index]->channel_data[index2],
+ 			               16,
+ 			               sizeof(fftwf_complex) 
+ 			               * (conv->chunk_length + 1)
+@@ -169,7 +180,7 @@
+ 
+ 			// need to divide (integer divide) the index by number_of_responses to get
+ 			// a valid index into the list of responses.
+-			posix_memalign(&conv->input_chunk_ringbuffers[index], 16,
++			my_posix_memalign(&conv->input_chunk_ringbuffers[index], 16,
+ 			               sizeof(fftwf_complex) * conv->fft_responses[index/conv->number_of_response_channels]->number_of_chunks
+ 			               * (conv->chunk_length + 1));
+ 
+@@ -189,7 +200,7 @@
+ 			    = (fftwf_complex*)malloc (sizeof(fftwf_complex) * conv->fft_responses[index]->number_of_chunks
+ 			                              * (conv->chunk_length + 1));
+ 			*/
+-			posix_memalign(&conv->input_chunk_ringbuffers[index], 16,
++			my_posix_memalign(&conv->input_chunk_ringbuffers[index], 16,
+ 			               sizeof(fftwf_complex) * conv->fft_responses[index]->number_of_chunks
+ 			               * (conv->chunk_length + 1));
+ 
+@@ -222,7 +233,7 @@
+ 	for (index = 0; index < conv->number_of_response_channels; ++index) { 
+ 	
+ 		// conv->overlap_buffers[index] = (float*)malloc (sizeof(float) * conv->chunk_length);
+-		posix_memalign(&conv->overlap_buffers[index], 16, sizeof(float) * conv->chunk_length);
++		my_posix_memalign(&conv->overlap_buffers[index], 16, sizeof(float) * conv->chunk_length);
+ 
+ 		// zero out
+ 		for (index2 = 0; index2 < conv->chunk_length; ++index2) {
diff --git a/audio/libconvolve/files/patch-convolution_process.c b/audio/libconvolve/files/patch-convolution_process.c
new file mode 100644
index 0000000..a5582fb
--- /dev/null
+++ b/audio/libconvolve/files/patch-convolution_process.c
@@ -0,0 +1,11 @@
+--- convolution_process.c.orig	Mon Apr  2 09:22:07 2007
++++ convolution_process.c	Mon Apr  2 09:22:15 2007
+@@ -23,7 +23,7 @@
+ #include <dsp/dspop.h>
+ #endif
+ 
+-#include <malloc.h>
++#include <stdlib.h>
+ #include <math.h>
+ 
+