Panda3D
flacAudio.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 flacAudio.cxx
10  * @author rdb
11  * @date 2016-04-27
12  */
13 
14 #include "flacAudio.h"
15 #include "flacAudioCursor.h"
16 #include "virtualFileSystem.h"
17 #include "dcast.h"
18 
19 TypeHandle FlacAudio::_type_handle;
20 
21 /**
22  * xxx
23  */
25 FlacAudio(const Filename &name) :
26  MovieAudio(name)
27 {
28  _filename = name;
29 }
30 
31 /**
32  * xxx
33  */
36 }
37 
38 /**
39  * Open this audio, returning a MovieAudioCursor
40  */
41 PT(MovieAudioCursor) FlacAudio::
42 open() {
44  std::istream *stream = vfs->open_read_file(_filename, true);
45 
46  if (stream == nullptr) {
47  return nullptr;
48  } else {
49  PT(FlacAudioCursor) cursor = new FlacAudioCursor(this, stream);
50  if (cursor == nullptr || !cursor->_is_valid) {
51  return nullptr;
52  } else {
53  return DCAST(MovieAudioCursor, cursor);
54  }
55  }
56 }
57 
58 /**
59  * Obtains a MovieAudio that references a file.
60  */
61 PT(MovieAudio) FlacAudio::
62 make(const Filename &name) {
63  return DCAST(MovieAudio, new FlacAudio(name));
64 }
Implements decoding of FLAC audio files.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PT(MovieAudioCursor) FlacAudio
Open this audio, returning a MovieAudioCursor.
Definition: flacAudio.cxx:41
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,...
FlacAudio(const Filename &name)
xxx
Definition: flacAudio.cxx:25
virtual ~FlacAudio()
xxx
Definition: flacAudio.cxx:35
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.
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
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.