Panda3D
vorbisAudio.cxx
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file vorbisAudio.cxx
10  * @author rdb
11  * @date 2013-08-23
12  */
13 
14 #include "vorbisAudio.h"
15 #include "vorbisAudioCursor.h"
16 #include "virtualFileSystem.h"
17 #include "dcast.h"
18 
19 #ifdef HAVE_VORBIS
20 
21 TypeHandle VorbisAudio::_type_handle;
22 
23 /**
24  * xxx
25  */
26 VorbisAudio::
27 VorbisAudio(const Filename &name) :
28  MovieAudio(name)
29 {
30  _filename = name;
31 }
32 
33 /**
34  * xxx
35  */
36 VorbisAudio::
37 ~VorbisAudio() {
38 }
39 
40 /**
41  * Open this audio, returning a MovieAudioCursor
42  */
43 PT(MovieAudioCursor) VorbisAudio::
44 open() {
46  std::istream *stream = vfs->open_read_file(_filename, true);
47 
48  if (stream == nullptr) {
49  return nullptr;
50  } else {
51  PT(VorbisAudioCursor) cursor = new VorbisAudioCursor(this, stream);
52  if (cursor == nullptr || !cursor->_is_valid) {
53  return nullptr;
54  } else {
55  return DCAST(MovieAudioCursor, cursor);
56  }
57  }
58 }
59 
60 /**
61  * Obtains a MovieAudio that references a file.
62  */
63 PT(MovieAudio) VorbisAudio::
64 make(const Filename &name) {
65  return DCAST(MovieAudio, new VorbisAudio(name));
66 }
67 
68 #endif // HAVE_VORBIS
A hierarchy of directories and files that appears to be one continuous file system,...
std::istream * open_read_file(const Filename &filename, bool auto_unwrap) const
Convenience function; returns a newly allocated istream if the file exists and can be read,...
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
The name of a file, such as a texture file or an Egg file.
Definition: filename.h:39
A MovieAudio is actually any source that provides a sequence of audio samples.
static VirtualFileSystem * get_global_ptr()
Returns the default global VirtualFileSystem.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
A MovieAudio is actually any source that provides a sequence of audio samples.
Definition: movieAudio.h:44