Panda3D
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00001 // Filename: movieTexture.h 00002 // Created by: jyelon (01Aug2007) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef MOVIETEXTURE_H 00016 #define MOVIETEXTURE_H 00017 00018 #include "pandabase.h" 00019 00020 #ifdef HAVE_AUDIO 00021 00022 #include "movieVideo.h" 00023 #include "audioSound.h" 00024 #include "pipelineCycler.h" 00025 #include "cycleData.h" 00026 #include "cycleDataWriter.h" 00027 #include "cycleDataReader.h" 00028 00029 //////////////////////////////////////////////////////////////////// 00030 // Class : MovieTexture 00031 // Description : A texture that fetches video frames from an 00032 // underlying object of class Movie. 00033 //////////////////////////////////////////////////////////////////// 00034 class EXPCL_PANDA_GRUTIL MovieTexture : public Texture { 00035 PUBLISHED: 00036 MovieTexture(const string &name); 00037 MovieTexture(PT(MovieVideo) video); 00038 private: 00039 MovieTexture(const MovieTexture ©); 00040 PUBLISHED: 00041 virtual ~MovieTexture(); 00042 00043 INLINE double get_video_length() const; 00044 INLINE int get_video_width() const; 00045 INLINE int get_video_height() const; 00046 INLINE LVecBase2f get_tex_scale() const; 00047 00048 void restart(); 00049 void stop(); 00050 void play(); 00051 void set_time(double t); 00052 double get_time() const; 00053 void set_loop(bool enable); 00054 bool get_loop() const; 00055 void set_loop_count(int count); 00056 int get_loop_count() const; 00057 void set_play_rate(double play_rate); 00058 double get_play_rate() const; 00059 bool is_playing() const; 00060 void synchronize_to(AudioSound *sound); 00061 void unsynchronize(); 00062 00063 public: 00064 static PT(Texture) make_texture(); 00065 virtual bool has_cull_callback() const; 00066 virtual bool cull_callback(CullTraverser *trav, const CullTraverserData &data) const; 00067 00068 protected: 00069 virtual PT(Texture) do_make_copy(); 00070 void do_assign(const MovieTexture ©); 00071 00072 virtual void do_reload_ram_image(); 00073 virtual bool get_keep_ram_image() const; 00074 virtual bool do_read_one(const Filename &fullpath, const Filename &alpha_fullpath, 00075 int z, int n, int primary_file_num_channels, int alpha_file_channel, 00076 const LoaderOptions &options, 00077 bool header_only, BamCacheRecord *record); 00078 virtual bool do_load_one(const PNMImage &pnmimage, const string &name, 00079 int z, int n, const LoaderOptions &options); 00080 bool do_load_one(PT(MovieVideoCursor) color, PT(MovieVideoCursor) alpha, 00081 int z, const LoaderOptions &options); 00082 00083 class VideoPage { 00084 public: 00085 VideoPage(); 00086 PT(MovieVideoCursor) _color; 00087 PT(MovieVideoCursor) _alpha; 00088 }; 00089 00090 typedef pvector<VideoPage> Pages; 00091 00092 class EXPCL_PANDA_GRUTIL CData : public CycleData { 00093 public: 00094 CData(); 00095 CData(const CData ©); 00096 virtual CycleData *make_copy() const; 00097 virtual TypeHandle get_parent_type() const { 00098 return MovieTexture::get_class_type(); 00099 } 00100 00101 Pages _pages; 00102 int _video_width; 00103 int _video_height; 00104 double _video_length; 00105 00106 double _clock; 00107 bool _playing; 00108 int _loop_count; 00109 int _loops_total; 00110 double _play_rate; 00111 PT(AudioSound) _synchronize; 00112 }; 00113 00114 PipelineCycler<CData> _cycler; 00115 typedef CycleDataReader<CData> CDReader; 00116 typedef CycleDataWriter<CData> CDWriter; 00117 00118 void do_recalculate_image_properties(CDWriter &cdata, const LoaderOptions &options); 00119 00120 public: 00121 static void register_with_read_factory(); 00122 00123 public: 00124 static TypeHandle get_class_type() { 00125 return _type_handle; 00126 } 00127 static void init_type() { 00128 Texture::init_type(); 00129 register_type(_type_handle, "MovieTexture", 00130 Texture::get_class_type()); 00131 } 00132 virtual TypeHandle get_type() const { 00133 return get_class_type(); 00134 } 00135 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00136 00137 private: 00138 static TypeHandle _type_handle; 00139 }; 00140 00141 #include "movieTexture.I" 00142 00143 #endif // HAVE_AUDIO 00144 00145 #endif