CVD 0.8
cvd/localvideobuffer.h
00001 /*                       
00002     This file is part of the CVD Library.
00003 
00004     Copyright (C) 2005 The Authors
00005 
00006     This library is free software; you can redistribute it and/or
00007     modify it under the terms of the GNU Lesser General Public
00008     License as published by the Free Software Foundation; either
00009     version 2.1 of the License, or (at your option) any later version.
00010 
00011     This library is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014     Lesser General Public License for more details.
00015 
00016     You should have received a copy of the GNU Lesser General Public
00017     License along with this library; if not, write to the Free Software
00018     Foundation, Inc., 
00019     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 */
00021 #ifndef CVD_VIDEOBUFFER_LOCAL_H
00022 #define CVD_VIDEOBUFFER_LOCAL_H
00023 
00024 #include <cvd/localvideoframe.h>
00025 #include <cvd/videobuffer.h>
00026 #include <cvd/exceptions.h>
00027 
00028 namespace CVD {
00029 
00035 template <class T> 
00036 class LocalVideoBuffer: public  CVD::VideoBuffer<T>
00037 {
00038     public:
00039         LocalVideoBuffer(typename VideoBufferType::Type t)
00040         :VideoBuffer<T>(t)
00041         {}
00042 
00043         virtual ~LocalVideoBuffer(){}
00044 
00045         virtual ImageRef size()=0;
00046         virtual LocalVideoFrame<T>* get_frame()=0;      // blocks until frame ready
00047         virtual void put_frame(VideoFrame<T>* f)=0;     // user is finished using f
00048         virtual bool frame_pending()=0;                 // checks to see if frame ready
00049         virtual void seek_to(double)                    // in seconds
00050         {}
00051 };
00052 
00053 }
00054 
00055 #endif