Panda3D
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00001 // Filename: movieVideoCursor.h 00002 // Created by: jyelon (02Jul07) 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 MOVIEVIDEOCURSOR_H 00016 #define MOVIEVIDEOCURSOR_H 00017 00018 #include "pandabase.h" 00019 #include "texture.h" 00020 #include "pointerTo.h" 00021 class MovieVideo; 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Class : MovieVideoCursor 00025 // Description : A MovieVideo is actually any source that provides 00026 // a sequence of video frames. That could include an 00027 // AVI file, a digital camera, or an internet TV station. 00028 // A MovieVideoCursor is a handle that lets you read 00029 // data sequentially from a MovieVideo. 00030 // 00031 // Thread safety: each individual MovieVideoCursor 00032 // must be owned and accessed by a single thread. 00033 // It is OK for two different threads to open 00034 // the same file at the same time, as long as they 00035 // use separate MovieVideoCursor objects. 00036 //////////////////////////////////////////////////////////////////// 00037 class EXPCL_PANDA_MOVIES MovieVideoCursor : public TypedWritableReferenceCount { 00038 00039 PUBLISHED: 00040 MovieVideoCursor(MovieVideo *src); 00041 virtual ~MovieVideoCursor(); 00042 PT(MovieVideo) get_source() const; 00043 INLINE int size_x() const; 00044 INLINE int size_y() const; 00045 INLINE int get_num_components() const; 00046 INLINE double length() const; 00047 INLINE bool can_seek() const; 00048 INLINE bool can_seek_fast() const; 00049 INLINE bool aborted() const; 00050 INLINE double last_start() const; 00051 INLINE double next_start() const; 00052 INLINE bool ready() const; 00053 INLINE bool streaming() const; 00054 void setup_texture(Texture *tex) const; 00055 virtual void fetch_into_bitbucket(double time); 00056 virtual void fetch_into_texture(double time, Texture *t, int page); 00057 virtual void fetch_into_texture_rgb(double time, Texture *t, int page); 00058 virtual void fetch_into_texture_alpha(double time, Texture *t, int page, int alpha_src); 00059 00060 public: 00061 virtual void fetch_into_buffer(double time, unsigned char *block, bool bgra); 00062 00063 private: 00064 void allocate_conversion_buffer(); 00065 unsigned char *_conversion_buffer; 00066 00067 protected: 00068 PT(MovieVideo) _source; 00069 int _size_x; 00070 int _size_y; 00071 int _num_components; 00072 double _length; 00073 bool _can_seek; 00074 bool _can_seek_fast; 00075 bool _aborted; 00076 double _last_start; 00077 double _next_start; 00078 bool _streaming; 00079 bool _ready; 00080 00081 public: 00082 static TypeHandle get_class_type() { 00083 return _type_handle; 00084 } 00085 static void init_type() { 00086 TypedWritableReferenceCount::init_type(); 00087 register_type(_type_handle, "MovieVideoCursor", 00088 TypedWritableReferenceCount::get_class_type()); 00089 } 00090 virtual TypeHandle get_type() const { 00091 return get_class_type(); 00092 } 00093 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00094 00095 private: 00096 static TypeHandle _type_handle; 00097 }; 00098 00099 #include "movieVideoCursor.I" 00100 #include "movieVideo.h" 00101 00102 #endif