blob: c9dc372ea3d168664e4cbd19c897933189ec820c (
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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* samplecache.cc
*
* Fri Sep 19 19:36:13 CEST 2014
* Copyright 2014 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of SimpleRTP.
*
* SimpleRTP 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.
*
* SimpleRTP 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 SimpleRTP; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "samplecache.h"
#include <stdio.h>
SampleCache::SampleCache(size_t c)
{
capacity = c;
cache = new sample_t[capacity];
start = 0;
size = 0;
}
SampleCache::~SampleCache()
{
delete[] cache;
}
void SampleCache::addSamples(sample_t *samples, size_t sz)
{
for(size_t i = 0; i < sz; i++) {
cache[(start + size) % capacity] = samples[i];
size++;
}
}
size_t SampleCache::getSamples(sample_t *samples, size_t sz)
{
size_t read = 0;
for(size_t i = 0; i < sz; i++) {
if(!size) break;
samples[i] = cache[start % capacity];
read++;
start++;
size--;
}
start %= capacity;
return read;
}
size_t SampleCache::cacheSize()
{
return size;
}
|
