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* Sync Speex codec with Speex SVN revision 12449 (roughly Speex 1.2beta1).

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* 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
This commit is contained in:
Dan Everton 2007-02-10 11:44:26 +00:00
parent 5158751263
commit 7bf62e8da6
70 changed files with 4847 additions and 3314 deletions
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83
apps/codecs/libspeex/testresample.c Normal file
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/* 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;
}