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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
#include <ClanLib/core.h>
#include <ClanLib/vorbis.h>
#include <ClanLib/sound.h>
#include <ClanLib/application.h>
class CL_DistortFilter : public CL_SoundFilter
{
public:
CL_DistortFilter(int distortion) : m_distortion(distortion)
{
rand_map = new int[2048];
for (int i=0;i<2048;i++)
{
rand_map[i] = (rand()%distortion) - (distortion/2);
}
rand_lim = 1024+rand()%1024;
rand_pos = rand()%1024;
}
~CL_DistortFilter()
{
delete[] rand_map;
}
virtual void filter(int *data, int size)
{
for (int i=0;i<size*2;i+=rand()%4)
{
data[i] = data[i]+rand_map[rand_pos++];
if (rand_pos >= rand_lim)
{
rand_lim = 1024+rand()%1024;
rand_pos = rand()%1024;
}
}
}
private:
int m_distortion;
int *rand_map;
int rand_lim;
int rand_pos;
};
class MyApp : public CL_ClanApplication
{
public:
virtual char *get_title()
{
return "clanVorbis test application.";
}
virtual int main(int argc, char** argv)
{
// Create a console window for text-output if not available
CL_ConsoleWindow console("Console");
console.redirect_stdio();
try
{
CL_SetupCore::init();
CL_SetupSound::init();
// Load ogg file into a soundbuffer
CL_SoundBuffer *sample = new CL_SoundBuffer(
new CL_VorbisSoundProvider("cheer1.ogg"),
true);
int deg = 128;
// Construct fadefilter with initial volume 0
// CL_FadeFilter fade(0);
// Prepare playback session
CL_SoundBuffer_Session playback(sample->prepare());
// Add some filters to the playback session
// playback.add_filter(new CL_InverseEchoFilter(deg*1024), true);
// playback.add_filter(new CL_DistortFilter(deg), true);
// playback.add_filter(new CL_EchoFilter(8*1024), true);
// playback.add_filter(&fade);
std::cout << "Playing vorbis session..." << std::endl;
// Play it!
playback.play();
// Fade in volume from 0..100 in 10 seconds
// fade.fade_to_volume(100, 10*1000); // fade in, duration 10 seconds.
// Loop until done playing the ogg file
while (playback.is_playing())
{
// Make sure the system keeps responding
CL_System::sleep(10);
// Handle system events:
// Exits the loop if ClanLib requests shutdown - for instance if
// someone closes the window.
CL_System::keep_alive();
}
// Cleanup
delete sample;
CL_SetupSound::deinit();
CL_SetupCore::deinit();
}
catch (CL_Error err)
{
std::cout << "error: " << err.message.c_str() << std::endl;
// Display console close message and wait for a key
console.display_close_message();
return -1;
}
return 0;
}
} app;
|
