From 7bf62e8da66ca8ff0acc2702f92ea4fe06eb94b1 Mon Sep 17 00:00:00 2001
From: Dan Everton <dan@iocaine.org>
Date: Sat, 10 Feb 2007 11:44:26 +0000
Subject: * Sync Speex codec with Speex SVN revision 12449 (roughly Speex
 1.2beta1). * Redo the changes required to make Speex compile in Rockbox.
 Should be a bit easier to keep in sync with Speex SVN now. * Fix name of
 Speex library in codecs Makefile.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12254 a1c6a512-1295-4272-9138-f99709370657
---
 apps/codecs/libspeex/testresample.c | 83 +++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 apps/codecs/libspeex/testresample.c

(limited to 'apps/codecs/libspeex/testresample.c')

diff --git a/apps/codecs/libspeex/testresample.c b/apps/codecs/libspeex/testresample.c
new file mode 100644
index 0000000..c54b113
--- /dev/null
+++ b/apps/codecs/libspeex/testresample.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 2007 Jean-Marc Valin
+      
+   File: testresample.c
+   Testing the resampling code
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+   1. Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+
+   2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+   3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+   OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+   DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+   (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+   STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+   ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+   POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include "speex/speex_resampler.h"
+#include <math.h>
+#include <stdlib.h>
+
+#define NN 256
+
+int main(int argc, char **argv)
+{
+   int i;
+   short *in;
+   short *out;
+   float *fin, *fout;
+   int count = 0;
+   SpeexResamplerState *st = speex_resampler_init(1, 8000, 12000, 8000, 12000, 5);
+   speex_resampler_set_rate(st, 16000, 8001, 8000, 15999);
+   speex_resampler_skip_zeros(st);
+   
+   in = malloc(NN*sizeof(short));
+   out = malloc(2*NN*sizeof(short));
+   fin = malloc(NN*sizeof(float));
+   fout = malloc(2*NN*sizeof(float));
+   while (1)
+   {
+      int in_len;
+      int out_len;
+      fread(in, sizeof(short), NN, stdin);
+      if (feof(stdin))
+         break;
+      for (i=0;i<NN;i++)
+         fin[i]=in[i];
+      in_len = NN;
+      out_len = 2*NN;
+      speex_resampler_process_float(st, 0, fin, &in_len, fout, &out_len);
+      for (i=0;i<out_len;i++)
+         out[i]=floor(.5+fout[i]);
+      fwrite(out, sizeof(short), out_len, stdout);
+      count++;
+   }
+   speex_resampler_destroy(st);
+   free(in);
+   free(out);
+   free(fin);
+   free(fout);
+   return 0;
+}
+
-- 
cgit v1.1