cannam@1
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
cannam@1
|
2
|
cannam@1
|
3 /*
|
cannam@1
|
4 Vamp
|
cannam@1
|
5
|
cannam@1
|
6 An API for audio analysis and feature extraction plugins.
|
cannam@1
|
7
|
cannam@1
|
8 Centre for Digital Music, Queen Mary, University of London.
|
cannam@1
|
9 Copyright 2006 Chris Cannam.
|
cannam@1
|
10
|
cannam@1
|
11 Permission is hereby granted, free of charge, to any person
|
cannam@1
|
12 obtaining a copy of this software and associated documentation
|
cannam@1
|
13 files (the "Software"), to deal in the Software without
|
cannam@1
|
14 restriction, including without limitation the rights to use, copy,
|
cannam@1
|
15 modify, merge, publish, distribute, sublicense, and/or sell copies
|
cannam@1
|
16 of the Software, and to permit persons to whom the Software is
|
cannam@1
|
17 furnished to do so, subject to the following conditions:
|
cannam@1
|
18
|
cannam@1
|
19 The above copyright notice and this permission notice shall be
|
cannam@1
|
20 included in all copies or substantial portions of the Software.
|
cannam@1
|
21
|
cannam@1
|
22 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
cannam@1
|
23 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
cannam@1
|
24 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
cannam@6
|
25 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
|
cannam@1
|
26 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
|
cannam@1
|
27 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
cannam@1
|
28 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
cannam@1
|
29
|
cannam@1
|
30 Except as contained in this notice, the names of the Centre for
|
cannam@1
|
31 Digital Music; Queen Mary, University of London; and Chris Cannam
|
cannam@1
|
32 shall not be used in advertising or otherwise to promote the sale,
|
cannam@1
|
33 use or other dealings in this Software without prior written
|
cannam@1
|
34 authorization.
|
cannam@1
|
35 */
|
cannam@1
|
36
|
cannam@1
|
37 #include <iostream>
|
cannam@1
|
38
|
cannam@1
|
39 #include "vamp.h"
|
cannam@1
|
40
|
cannam@1
|
41 #include "PluginHostAdapter.h"
|
cannam@1
|
42
|
cannam@1
|
43 #include "system.h"
|
cannam@1
|
44
|
cannam@1
|
45 /*
|
cannam@1
|
46 A very simple Vamp plugin host. So far all this does is load the
|
cannam@1
|
47 plugin library given on the command line and dump out the names of
|
cannam@1
|
48 the plugins found in it.
|
cannam@1
|
49 */
|
cannam@1
|
50
|
cannam@1
|
51 int main(int argc, char **argv)
|
cannam@1
|
52 {
|
cannam@1
|
53 if (argc != 2) {
|
cannam@1
|
54 std::cerr << "Usage: " << argv[0] << " pluginlibrary.so" << std::endl;
|
cannam@1
|
55 return 2;
|
cannam@1
|
56 }
|
cannam@1
|
57
|
cannam@1
|
58 std::cerr << std::endl << argv[0] << ": Running..." << std::endl;
|
cannam@1
|
59
|
cannam@1
|
60 std::string soname = argv[1];
|
cannam@1
|
61
|
cannam@1
|
62 void *libraryHandle = DLOPEN(soname, RTLD_LAZY);
|
cannam@1
|
63
|
cannam@1
|
64 if (!libraryHandle) {
|
cannam@1
|
65 std::cerr << argv[0] << ": Failed to open plugin library "
|
cannam@10
|
66 << soname << ": " << DLERROR() << std::endl;
|
cannam@1
|
67 return 1;
|
cannam@1
|
68 }
|
cannam@1
|
69
|
cannam@1
|
70 std::cout << argv[0] << ": Opened plugin library " << soname << std::endl;
|
cannam@1
|
71
|
cannam@1
|
72 VampGetPluginDescriptorFunction fn = (VampGetPluginDescriptorFunction)
|
cannam@1
|
73 DLSYM(libraryHandle, "vampGetPluginDescriptor");
|
cannam@1
|
74
|
cannam@1
|
75 if (!fn) {
|
cannam@1
|
76 std::cerr << argv[0] << ": No Vamp descriptor function in library "
|
cannam@1
|
77 << soname << std::endl;
|
cannam@1
|
78 DLCLOSE(libraryHandle);
|
cannam@1
|
79 return 1;
|
cannam@1
|
80 }
|
cannam@1
|
81
|
cannam@1
|
82 std::cout << argv[0] << ": Found plugin descriptor function" << std::endl;
|
cannam@1
|
83
|
cannam@1
|
84 int index = 0;
|
cannam@1
|
85 const VampPluginDescriptor *descriptor = 0;
|
cannam@1
|
86
|
cannam@1
|
87 while ((descriptor = fn(index))) {
|
cannam@1
|
88
|
cannam@1
|
89 Vamp::PluginHostAdapter adapter(descriptor, 48000);
|
cannam@1
|
90 std::cout << argv[0] << ": Plugin " << (index+1)
|
cannam@1
|
91 << " is \"" << adapter.getName() << "\"" << std::endl;
|
cannam@1
|
92
|
cannam@1
|
93 ++index;
|
cannam@1
|
94 }
|
cannam@1
|
95
|
cannam@1
|
96 std::cout << argv[0] << ": Done\n" << std::endl;
|
cannam@1
|
97
|
cannam@1
|
98 DLCLOSE(libraryHandle);
|
cannam@1
|
99 return 0;
|
cannam@1
|
100 }
|
cannam@1
|
101
|