blob: 1110e693aeb718134ed5a68eb821db2c42dad175 (
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
#include "memchecker.h"
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#else
#include <sys/sysinfo.h>
#endif
#include <sndfile.h>
#include <hugin.hpp>
bool MemChecker::enoughFreeMemory(const DrumKit& drumkit) const
{
uint64_t free_memory = calcFreeMemory();
uint64_t needed_memory = calcNeededMemory(drumkit);
return free_memory >= needed_memory;
}
uint64_t MemChecker::calcFreeMemory() const
{
uint64_t free_memory = 0;
#ifdef WIN32
MEMORYSTATUSEX status;
status.dwLength = sizeof(status);
GlobalMemoryStatusEx(&status);
free_memory = status.ullAvailPhys;
#else
struct sysinfo sys_info;
sysinfo(&sys_info);
free_memory = sys_info.freeram * sys_info.mem_unit;
#endif
DEBUG(memchecker, "Calculated %" PRIu64 " free memory.\n", free_memory);
return free_memory;
}
uint64_t MemChecker::calcNeededMemory(const DrumKit& drumkit) const
{
uint64_t needed_memory = 0;
for(auto instrument : drumkit.instruments)
{
const auto& audiofiles = instrument->audiofiles;
for(auto audiofile : audiofiles)
{
needed_memory += calcBytesPerChannel(audiofile->filename);
}
}
DEBUG(memchecker, "Calculated %" PRIu64 " needed memory.\n", needed_memory);
return needed_memory;
}
uint64_t MemChecker::calcBytesPerChannel(const std::string& filename) const
{
SF_INFO sf_info{};
SNDFILE* f = sf_open(filename.c_str(), SFM_READ, &sf_info);
if(!f)
{
ERR(memchecker, "SNDFILE Error (%s): %s\n", filename.c_str(), sf_strerror(f));
return 0;
}
sf_close(f);
return sf_info.frames * sizeof(sample_t);
}
|