root/OpenSceneGraph/trunk/include/osg/AudioStream @ 10764

Revision 10764, 2.5 kB (checked in by robert, 4 years ago)

<iterator>, <stdlib.h> and <ctype.h> includes required for QNX compiler

RevLine 
[9827]1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under 
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSG_AUDIOSTREAM
15#define OSG_AUDIOSTREAM 1
16
17#include <osg/Image>
[10764]18#include <stdlib.h>
[9827]19
20namespace osg {
21
[9847]22/** Pure virtual AudioSink bass class that is used to connect the audio system with AudioStreams. */
23class OSG_EXPORT AudioSink : public osg::Object
[9827]24{
25public:
26
[9847]27    AudioSink();
[9827]28
29    virtual void startPlaying() = 0;
30    virtual bool playing() const = 0;
31
32    virtual double getDelay() const { return _delay; }
33    virtual void setDelay(const double delay) { _delay = delay; }
34
35    virtual const char * libraryName() const { return "osgFFmpeg"; }
36    virtual const char * className() const { return "AudioSinkInterface"; }
37
38private:
39
[9847]40    virtual AudioSink * cloneType() const { return 0; }
41    virtual AudioSink * clone(const osg::CopyOp &) const { return 0; }
[9827]42
43    double  _delay;
44};
45
46/** Pure virtual AudioStream base class. Subclasses provide mechanism for reading/generating audio data*/
47class OSG_EXPORT AudioStream : public osg::Object
48{
49    public:
50        AudioStream();
51
52        /** Copy constructor using CopyOp to manage deep vs shallow copy. */
53        AudioStream(const AudioStream& audio,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
54
55        virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const AudioStream*>(obj)!=0; }
56        virtual const char* libraryName() const { return "osg"; }
57        virtual const char* className() const { return "AudioStream"; }
58
[9847]59        virtual void setAudioSink(osg::AudioSink* audio_sink) = 0;
[9827]60       
61        virtual void consumeAudioBuffer(void * const buffer, const size_t size) = 0;
62       
63        virtual int audioFrequency() const = 0;
64        virtual int audioNbChannels() const = 0;
65
66        enum SampleFormat
67        {
68            SAMPLE_FORMAT_U8,
69            SAMPLE_FORMAT_S16,
70            SAMPLE_FORMAT_S24,
71            SAMPLE_FORMAT_S32,
72            SAMPLE_FORMAT_F32
73        };
74
75        virtual SampleFormat audioSampleFormat() const = 0;
76};
77
78} // namespace
79
80#endif
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