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comparison engine/core/loaders/native/audio_loaders/sounddecoder_ogg.h @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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children 90005975cdbb
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-1:000000000000 0:4a0efb7baf70
1 /***************************************************************************
2 * Copyright (C) 2005-2008 by the FIFE team *
3 * http://www.fifengine.de *
4 * This file is part of FIFE. *
5 * *
6 * FIFE is free software; you can redistribute it and/or modify *
7 * it under the terms of the GNU General Public License as published by *
8 * the Free Software Foundation; either version 2 of the License, or *
9 * (at your option) any later version. *
10 * *
11 * This program is distributed in the hope that it will be useful, *
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
14 * GNU General Public License for more details. *
15 * *
16 * You should have received a copy of the GNU General Public License *
17 * along with this program; if not, write to the *
18 * Free Software Foundation, Inc., *
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
20 ***************************************************************************/
21
22 #ifndef FIFE_SOUNDDECODER_OGG_H
23 #define FIFE_SOUNDDECODER_OGG_H
24
25 // Standard C++ library includes
26
27 // Platform specific includes
28
29 // 3rd party library includes
30 #include <vorbisfile.h>
31 #include <boost/scoped_ptr.hpp>
32
33 // FIFE includes
34 // These includes are split up in two parts, separated by one empty line
35 // First block: files included from the FIFE root src directory
36 // Second block: files included from the same folder
37 #include "vfs/raw/rawdata.h"
38 #include "audio/sounddecoder.h"
39
40 namespace FIFE {
41 class SoundDecoderOgg : public SoundDecoder {
42 public:
43
44 SoundDecoderOgg(RawData* ptr);
45
46 ~SoundDecoderOgg() {
47 releaseBuffer();
48 }
49
50 /** Returns the decoded length of the file in bytes
51 */
52 unsigned long getDecodedLength() {
53 return m_declength;
54 }
55
56 /** Sets the current position in the file (in bytes)
57 *
58 * @return 0 (False), if the positioning was successful
59 */
60 bool setCursor(unsigned long pos);
61
62 /** Request the decoding of the next part of the stream.
63 *
64 * @param length The length of the decoded part
65 * @return 0 (False), if decoding was successful
66 */
67 bool decode(unsigned long length);
68
69 /** Returns the next decoded buffer.
70 *
71 * The length of the buffer is returned by getBufferSize().
72 */
73 void *getBuffer() {
74 return m_data;
75 }
76
77 /** Returns the byte-size of the buffer returned by getBuffer().
78 */
79 unsigned long getBufferSize() {
80 return m_datasize;
81 }
82
83 /** Releases the buffer returned by getBuffer()
84 */
85 void releaseBuffer() {
86 if (m_data != NULL) {
87 delete[] m_data;
88 m_data = NULL;
89 }
90 }
91
92 private:
93 boost::scoped_ptr<RawData> m_file;
94 unsigned long m_declength;
95 unsigned long m_datasize;
96 char* m_data;
97 OggVorbis_File m_ovf;
98 };
99 }
100
101 #endif