1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/*
* Copyright (c) 2008 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*! \file soundIO.c
* \brief soundfile input and output.
*/
#include "sms.h"
/*! \brief fill the sound buffer
*
* \param sizeWaveform size of input data
* \param pWaveform input data
* \param pAnalParams pointer to structure of analysis parameters
*/
void sms_fillSoundBuffer(int sizeWaveform, sfloat *pWaveform, SMS_AnalParams *pAnalParams)
{
int i;
long sizeNewData = (long)sizeWaveform;
/* leave space for new data */
memcpy(pAnalParams->soundBuffer.pFBuffer, pAnalParams->soundBuffer.pFBuffer+sizeNewData,
sizeof(sfloat) * (pAnalParams->soundBuffer.sizeBuffer - sizeNewData));
pAnalParams->soundBuffer.iFirstGood = MAX(0, pAnalParams->soundBuffer.iFirstGood - sizeNewData);
pAnalParams->soundBuffer.iMarker += sizeNewData;
/* put the new data in, and do some pre-emphasis */
if(pAnalParams->iAnalysisDirection == SMS_DIR_REV)
for(i=0; i<sizeNewData; i++)
pAnalParams->soundBuffer.pFBuffer[pAnalParams->soundBuffer.sizeBuffer - sizeNewData + i] =
sms_preEmphasis(pWaveform[sizeNewData - (1 + i)], pAnalParams);
else
for(i=0; i<sizeNewData; i++)
pAnalParams->soundBuffer.pFBuffer[pAnalParams->soundBuffer.sizeBuffer - sizeNewData + i] =
sms_preEmphasis(pWaveform[i], pAnalParams);
}
|