gls_movie_texture.h

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/*! \file
  \brief The GlsMovieTexture class
 
  \par Copyright Information
 
  Copyright (c) 2017 by The DiSTI Corporation.<br>
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  <br>
  All rights reserved.<br>
 
  This Software contains proprietary trade secrets of DiSTI and may not be
reproduced, in whole or part, in any form, or by any means of electronic,
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Derivative Works based on this or other copyrighted DiSTI Software.
 
  NO WARRANTY. THE SOFTWARE IS PROVIDED "AS-IS," WITHOUT WARRANTY OF ANY KIND,
AND ANY USE OF THIS SOFTWARE PRODUCT IS AT YOUR OWN RISK. TO THE MAXIMUM EXTENT
PERMITTED BY APPLICABLE LAW, DISTI AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES
AND CONDITIONS, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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  LIMITATION OF LIABILITY. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW,
IN NO EVENT SHALL DISTI OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL, INCIDENTAL,
INDIRECT, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION,
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*/
#ifndef INCLUDE_GLS_MOVIE_TEXTURE_H
#define INCLUDE_GLS_MOVIE_TEXTURE_H
#include "glpolygon.h"
#include "gls_cpp_lang_support.h"
 
/// Provides support for creating DLLs.
#if( defined( GLSGEN_EXPORT_GLSMOVIETEXTURE ) || defined( GLSGEN_IMPORT_GLSMOVIETEXTURE ) || defined( GLS_EXPORT_GENERATED ) || defined( GLS_IMPORT_GENERATED ) ) \
    && defined( _MSC_VER )
#    if defined( GLSGEN_EXPORT_GLSMOVIETEXTURE ) || defined( GLS_EXPORT_GENERATED )
#        define GLSGEN_GLSMOVIETEXTURE_EXPORT __declspec( dllexport )
#    else
#        define GLSGEN_GLSMOVIETEXTURE_EXPORT __declspec( dllimport )
#    endif
#else
#    define GLSGEN_GLSMOVIETEXTURE_EXPORT
#endif
///////////////////////////////////////////////////////////////////////////////
 
/// Automatically link the runtime library plugin (on Windows).
#define LIB_BASE_NAME "gls_movie_texture"
#include "gls_auto_lib.h"
#undef LIB_BASE_NAME
 
/// Force inclusion of the DirectShow library.
#ifndef NO_GLS_AUTOLIB
#    define LIB_BASE_NAME "strmbase"
#    ifdef GLS_LIB_TYPE
#        undef GLS_LIB_TYPE
#    endif
/// DirectShow is always statically linked.
#    define GLS_LIB_TYPE ""
#    include "gls_auto_lib.h"
#    undef GLS_LIB_TYPE
#    undef LIB_BASE_NAME
#endif
 
class CVideoTexture;
 
namespace disti
{
// SetValue enumerations
enum
{
    GLS_GLSMOVIETEXTURE_FIRST_VALUE = GLS_LAST_INITIALIZER + 1,
    GLS_GLSMOVIETEXTURE_MOVIESOURCE,
    GLS_GLSMOVIETEXTURE_LOOP,
    GLS_GLSMOVIETEXTURE_SOUNDENABLED,
    GLS_GLSMOVIETEXTURE_SOUNDVOLUME
};
 
/** Runtime implementation of a GlsMovieTexture */
class GlsMovieTexture : public GLPolygon
{
    friend class GlsMovieTextureEditor;
 
private:
    GlsMovieTexture& operator=( const GlsMovieTexture& ) DISTI_SPECIAL_MEM_FUN_DELETE;
    GlsMovieTexture( const GlsMovieTexture& ) DISTI_SPECIAL_MEM_FUN_DELETE;
 
public:
    DISTI_DEPRECATED( "This identifier is forbidden by the C++ standard. Use BaseClass instead." )
    typedef GLPolygon _BaseClass; ///< Deprecated typedef for the base class.
    typedef GLPolygon BaseClass;  ///< Typedef for the base class.
 
    /// Constructor
    /// \param generateInstance Whether or not to generate an instance name for this object.
    GLSGEN_GLSMOVIETEXTURE_EXPORT GlsMovieTexture( bool generateInstance = false );
 
    /// Copy constructor
    /// \param that The object to copy from.
    /// \param generateNames Whether or not to generate an instance name for this object.
    GLSGEN_GLSMOVIETEXTURE_EXPORT GlsMovieTexture( const GlsMovieTexture& that, const bool generateNames );
 
    /** Destructs a GlsMovieTexture object */
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT ~GlsMovieTexture();
 
    /// \return A pointer to a new GlsMovieTexture object.
    static GLSGEN_GLSMOVIETEXTURE_EXPORT DisplayObject* CreateInstance();
 
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void SetAvailableAttributes( unsigned int value ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT DisplayObject* CloneObject( bool generateNames = false ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void           CopyProperties( DisplayObject* src ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT InterfaceListType* GetCppInterfaceDescription( InterfaceListType* addToThisList = NULL ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void               GetCppInterfaceDescriptionFree( InterfaceListType* array ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void               PreDraw( const OpenGLMatrices& parentMatrices, Culler& culler ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void               Draw() DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void               Calculate( double time ) DISTI_METHOD_OVERRIDE;
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void               SetValue( int spec, va_list& args ) DISTI_METHOD_OVERRIDE;
 
    //////////////////////////////////////////////////
    // GlsMovieTexture specific operations
    //////////////////////////////////////////////////
 
    /// Sets the desired video source file.
    /// \param s The path to the video source file to set.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void MovieSource( const GlsPropString& s );
 
    /// \return The path to the current video source file.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT GlsPropString MovieSource();
 
    /// Sets the looping state of the movie. should_loop == true will cause the movie to "rewind" and start playing again when the end is reached.
    /// \param should_loop The new looping state.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void Loop( const bool& should_loop );
 
    /// \return The current looping state of the movie.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT bool Loop();
 
    /// Sets the playing state of the movie. should_play == false is equivalent to STOP.
    /// \param should_play The new playing state.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void Playing( const bool& should_play );
 
    /// \return The current playing state of the movie.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT bool Playing();
 
    /// Sets the paused state of the movie.
    /// \param should_pause The new paused state.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void Paused( const bool& should_pause );
 
    /// \return The current paused state of the movie.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT bool Paused();
 
    /// Sets the position of the stream pointer by percent.
    /// \param pct The new percentage position in playback.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void PlayPosition( const float& pct );
 
    /// \return The current playback position, in percent.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT float PlayPosition();
 
    /// Sets the position of the stream pointer by frame number.
    /// \param frame The absolute frame number to set the playback position.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void CurrentAbsoluteFrame( const unsigned int& frame );
 
    /// \return The current playback position, in absolute frames.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT unsigned int CurrentAbsoluteFrame();
 
    /// Sets the audio playback behavior.
    /// \param soundon The new sound playback state.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void SoundEnabled( const bool& soundon );
 
    /// \return Whether or not the movie can play sound.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT bool SoundEnabled();
 
    /// Sets the audio volume from 0.0 to 1.0.
    /// \param volume The new volume value.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT void SoundVolume( const float& volume );
 
    /// \return The current movie volume from 0.0 to 1.0.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT float SoundVolume();
 
    /// \return The length of the movie in milliseconds.
    virtual GLSGEN_GLSMOVIETEXTURE_EXPORT int DurationInMS();
 
protected:
    GlsPropString  _movieFile;                   ///< Stores the name of the movie file.
    bool           _soundEnabled;                ///< States whether sound should be enabled or not.
    float          _soundVolume;                 ///< Controls colume of sound (from 0.0f to 1.0f).
    float          _playPositionPercent;         ///< Stores the current play position percent.
    float          _previousPlayPositionPercent; ///< Stores the previous play position percent.
    unsigned int   _currentAbsoluteFrame;        ///< Stores the current frame of the movie.
    unsigned int   _previousAbsoluteFrame;       ///< Stores the previous frame count.
    CVideoTexture* _vidTex;                      ///< Instance of CVideoTexture class that interfaces with D3D.
};
 
} // namespace disti
 
#endif