/usr/include/osg/ImageStream is in libopenscenegraph-dev 3.2.1-6.
This file is owned by root:root, with mode 0o644.
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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * OpenSceneGraph Public License for more details.
*/
#ifndef OSG_IMAGESTREAM
#define OSG_IMAGESTREAM 1
#include <osg/Image>
#include <osg/AudioStream>
namespace osg {
// forward declare of osg::Texture
class Texture;
/**
  * Image Stream class.
*/
class OSG_EXPORT ImageStream : public Image
{
    public:
        ImageStream();
        /** Copy constructor using CopyOp to manage deep vs shallow copy. */
        ImageStream(const ImageStream& image,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
        virtual Object* cloneType() const { return new ImageStream(); }
        virtual Object* clone(const CopyOp& copyop) const { return new ImageStream(*this,copyop); }
        virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const ImageStream*>(obj)!=0; }
        virtual const char* libraryName() const { return "osg"; }
        virtual const char* className() const { return "ImageStream"; }
        /** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
        virtual int compare(const Image& rhs) const;
        enum StreamStatus
        {
            INVALID,
            PLAYING,
            PAUSED,
            REWINDING
        };
        virtual void seek(double /*time*/) {}
        virtual void play() { _status=PLAYING; }
        virtual void pause() { _status=PAUSED; }
        virtual void rewind() { _status=REWINDING; }
        virtual void quit(bool /*waitForThreadToExit*/ = true) {}
        StreamStatus getStatus() const { return _status; }
        enum LoopingMode
        {
            NO_LOOPING,
            LOOPING
        };
        void setLoopingMode(LoopingMode mode)
        {
            if (_loopingMode == mode) return;
            _loopingMode = mode;
            applyLoopingMode();
        }
        LoopingMode getLoopingMode() const { return _loopingMode; }
        virtual double getCreationTime() const { return HUGE_VAL; }
        virtual double getLength() const { return 0.0; }
        virtual double getFrameRate() const { return 0.0; }
        virtual double getCurrentTime() const { return 0.0; }
        virtual void setReferenceTime(double) {}
        virtual double getReferenceTime() const { return 0.0; }
        virtual void setTimeMultiplier(double) {}
        virtual double getTimeMultiplier() const { return 0.0; }
        virtual void setVolume(float) {}
        virtual float getVolume() const { return 0.0f; }
        /// set the balance of the audio: -1 = left, 0 = center,  1 = right
        virtual float getAudioBalance() { return 0.0f; }
        virtual void setAudioBalance(float /*b*/) {}
        typedef std::vector< osg::ref_ptr<osg::AudioStream> > AudioStreams;
        void setAudioStreams(const AudioStreams& asl) { _audioStreams = asl; }
        AudioStreams& getAudioStreams() { return _audioStreams; }
        const AudioStreams& getAudioStreams() const { return _audioStreams; }
        /** create a suitable texture for this imagestream, return NULL, if not supported
         *  implement this method in subclasses to use special technologies like CoreVideo
         *  or similar.
         */
        virtual osg::Texture* createSuitableTexture() { return NULL; }
    protected:
        virtual void applyLoopingMode() {}
        virtual ~ImageStream() {}
        StreamStatus    _status;
        LoopingMode     _loopingMode;
        AudioStreams    _audioStreams;
};
} // namespace
#endif
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