blob: a57891a27d7c0a04c699adf7cb849ab89a688cd4 (
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
|
/*
Copyright (C) 2006-2007 Paul Davis
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.,
675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <errno.h>
#include "ardour/audio_buffer.h"
#include "pbd/error.h"
#include "pbd/malign.h"
#include "i18n.h"
using namespace PBD;
using namespace ARDOUR;
AudioBuffer::AudioBuffer(size_t capacity)
: Buffer(DataType::AUDIO, capacity)
, _owns_data (false)
, _data (0)
{
if (_capacity > 0) {
_owns_data = true; // prevent resize() from gagging
resize (_capacity);
_silent = false; // force silence on the intial buffer state
silence (_capacity);
}
}
AudioBuffer::~AudioBuffer()
{
if (_owns_data)
free(_data);
}
void
AudioBuffer::resize (size_t size)
{
if (!_owns_data) {
return;
}
if (size < _capacity) {
_size = size;
return;
}
if (_data) {
free (_data);
}
_capacity = size;
_size = size;
_silent = false;
cache_aligned_malloc ((void**) &_data, sizeof (Sample) * _capacity);
}
|
