blob: 379a7c858517794a564abf708895b4518b2f122a (
plain)
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/*
* $Id$
*
* ***** BEGIN LGPL LICENSE BLOCK *****
*
* Copyright 2009 Jörg Hermann Müller
*
* This file is part of AudaSpace.
*
* AudaSpace is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* AudaSpace 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with AudaSpace. If not, see <http://www.gnu.org/licenses/>.
*
* ***** END LGPL LICENSE BLOCK *****
*/
#include "AUD_ConverterReader.h"
AUD_ConverterReader::AUD_ConverterReader(AUD_IReader* reader,
AUD_DeviceSpecs specs) :
AUD_EffectReader(reader)
{
m_specs.specs = reader->getSpecs();
int bigendian = 1;
bigendian = (((char*)&bigendian)[0]) ? 0: 1; // 1 if Big Endian
switch(specs.format)
{
case AUD_FORMAT_U8:
m_convert = AUD_convert_float_u8;
break;
case AUD_FORMAT_S16:
m_convert = AUD_convert_float_s16;
break;
case AUD_FORMAT_S24:
if(bigendian)
m_convert = AUD_convert_float_s24_be;
else
m_convert = AUD_convert_float_s24_le;
break;
case AUD_FORMAT_S32:
m_convert = AUD_convert_float_s32;
break;
case AUD_FORMAT_FLOAT32:
m_convert = AUD_convert_copy<float>;
break;
case AUD_FORMAT_FLOAT64:
m_convert = AUD_convert_float_double;
break;
default:
break;
}
m_specs.format = specs.format;
}
AUD_Specs AUD_ConverterReader::getSpecs() const
{
return m_specs.specs;
}
void AUD_ConverterReader::read(int & length, sample_t* & buffer)
{
m_reader->read(length, buffer);
int samplesize = AUD_SAMPLE_SIZE(m_specs);
if(m_buffer.getSize() < length * samplesize)
m_buffer.resize(length * samplesize);
m_convert((data_t*)m_buffer.getBuffer(), (data_t*)buffer,
length * m_specs.channels);
buffer = m_buffer.getBuffer();
}
|
