Edinburgh Speech Tools 2.4-release
 
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EST_SMatrix.cc
1/*************************************************************************/
2/* */
3/* Centre for Speech Technology Research */
4/* University of Edinburgh, UK */
5/* Copyright (c) 1995,1996 */
6/* All Rights Reserved. */
7/* */
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14/* 1. The code must retain the above copyright notice, this list of */
15/* conditions and the following disclaimer. */
16/* 2. Any modifications must be clearly marked as such. */
17/* 3. Original authors' names are not deleted. */
18/* 4. The authors' names are not used to endorse or promote products */
19/* derived from this software without specific prior written */
20/* permission. */
21/* */
22/* THE UNIVERSITY OF EDINBURGH AND THE CONTRIBUTORS TO THIS WORK */
23/* DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING */
24/* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT */
25/* SHALL THE UNIVERSITY OF EDINBURGH NOR THE CONTRIBUTORS BE LIABLE */
26/* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES */
27/* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN */
28/* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, */
29/* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF */
30/* THIS SOFTWARE. */
31/* */
32/*************************************************************************/
33/* Author : Paul Taylor */
34/* Date : April 1995 */
35/*-----------------------------------------------------------------------*/
36/* Matrix Class for shorts */
37/* */
38/*=======================================================================*/
39
40#include <cstdlib>
41#include <cstdio>
42#include <fstream>
43#include <cmath>
44#include <climits>
45#include "EST_String.h"
46#include "EST_types.h"
47#include "EST_FileType.h"
48#include "EST_Option.h"
49#include "EST_SMatrix.h"
50#include "EST_cutils.h" // for swap functions
51#include "EST_Token.h"
52#include "rateconv.h"
53
55:EST_TSimpleMatrix<short>(a.num_rows(), a.num_columns())
56{
57 short vv = 0;
58 if (b < 0)
59 return;
60 if (b == 0)
61 fill(vv);
62}
63
64int EST_SMatrix::rateconv(int in_samp_freq, int out_samp_freq)
65{
66 short *in_buf = new short[num_rows()];
67 short ** results = new short *[num_columns()];
68 int *len = new int[num_columns()];
69 int max_len=0;
70
71 for(int c=0; c<num_columns(); c++)
72 {
73 short *out_buf;
74 int osize;
75
76 copy_column(c, in_buf);
77
78 if (::rateconv(in_buf,
79 num_rows(), &out_buf, &osize,
80 in_samp_freq, out_samp_freq) == 0)
81 {
82 results[c]=out_buf;
83 len[c]=osize;
84 if (osize > max_len)
85 max_len = osize;
86 }
87 else
88 return -1;
89 }
90 delete [] in_buf;
91
92 resize(max_len, EST_CURRENT, 0);
93 fill(0);
94
95 for(int c1=0; c1<num_columns(); c1++)
96 {
97 set_column(c1, results[c1], 0, len[c1]);
98 delete [] results[c1];
99 }
100
101 delete [] results;
102 delete [] len;
103 return 0;
104}
105
EST_SMatrix()
default constructor
Definition EST_SMatrix.h:57
int num_columns() const
void fill(const short &v)
void set_column(int n, const short *buf, int offset=0, int num=-1)
void copy_column(int c, short *buf, int offset=0, int num=-1) const
void resize(int rows, int cols, int set=1)