ref: f41f5c4d72b1b14fb66c1f3f39ef727cd32a6cdd
parent: 787b5e4f85bafd27e7f877ae15349f1c12c71015
author: Paul Brossier <piem@altern.org>
date: Sun Nov 6 06:38:54 EST 2005
added aubioquiet in examples added aubioquiet in examples
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -11,6 +11,7 @@
bin_PROGRAMS = \
aubioonset \
aubiotrack \
+ aubioquiet \
aubionotes
EXTRA_DIST = utils.h
@@ -19,7 +20,9 @@
aubioonset_SOURCES = aubioonset.c utils.c
aubionotes_SOURCES = aubionotes.c utils.c
aubiotrack_SOURCES = aubiotrack.c utils.c
+aubioquiet_SOURCES = aubioquiet.c utils.c
aubioonset_LDADD = @JACK_LIBS@
aubionotes_LDADD = @JACK_LIBS@
aubiotrack_LDADD = @JACK_LIBS@
+aubioquiet_LDADD = @JACK_LIBS@
--- /dev/null
+++ b/examples/aubioquiet.c
@@ -1,0 +1,76 @@
+/*
+ Copyright (C) 2003 Paul Brossier
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "utils.h"
+
+unsigned int pos = 0; /*frames%dspblocksize*/
+sint_t wassilence = 1, issilence;
+uint_t usepitch = 0;
+
+int aubio_process(float **input, float **output, int nframes);
+int aubio_process(float **input, float **output, int nframes) {
+ unsigned int i; /*channels*/
+ unsigned int j; /*frames*/
+ for (j=0;j<nframes;j++) {
+ if(usejack) {
+ for (i=0;i<channels;i++) {
+ /* write input to datanew */
+ fvec_write_sample(ibuf, input[i][j], i, pos);
+ /* put synthnew in output */
+ output[i][j] = fvec_read_sample(obuf, i, pos);
+ }
+ }
+ /*time for fft*/
+ if (pos == overlap_size-1) {
+ /* test for silence */
+ if (aubio_silence_detection(ibuf, threshold2)==1) {
+ if (wassilence==1) issilence = 1;
+ else issilence = 2;
+ wassilence=1;
+ } else {
+ if (wassilence<=0) issilence = 0;
+ else issilence = -1;
+ wassilence=0;
+ }
+ /* end of block loop */
+ pos = -1; /* so it will be zero next j loop */
+ }
+ pos++;
+ }
+ return 1;
+}
+
+void process_print (void);
+void process_print (void) {
+ int curframes = (frames - 4) > 0 ? frames -4 : 0;
+ if (issilence == -1) {
+ outmsg("NOISY: %f\n",curframes*overlap_size/(float)samplerate);
+ } else if (issilence == 2) {
+ outmsg("QUIET: %f\n",curframes*overlap_size/(float)samplerate);
+ }
+}
+
+int main(int argc, char **argv) {
+ examples_common_init(argc,argv);
+ examples_common_process(aubio_process,process_print);
+ examples_common_del();
+ debug("End of program.\n");
+ fflush(stderr);
+ return 0;
+}
+