128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
// Filename: openCVTexture.h
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// Created by: zacpavlov (19Aug05)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef OPENCVTEXTURE_H
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#define OPENCVTEXTURE_H
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#include "pandabase.h"
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#ifdef HAVE_OPENCV
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#include "videoTexture.h"
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#include <cxcore.h>
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#include <cv.h>
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#include <highgui.h>
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////////////////////////////////////////////////////////////////////
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// Class : OpenCVTexture
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// Description : A specialization on VideoTexture that takes its input
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// using the CV library, to produce an animated texture,
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// with its source taken from an .avi file or from a
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// camera input.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA_GRUTIL OpenCVTexture : public VideoTexture {
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PUBLISHED:
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OpenCVTexture(const string &name = string());
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protected:
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OpenCVTexture(const OpenCVTexture ©);
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PUBLISHED:
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virtual ~OpenCVTexture();
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virtual PT(Texture) make_copy();
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bool from_camera(int camera_index = -1, int z = 0);
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public:
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static PT(Texture) make_texture();
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protected:
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virtual void update_frame(int frame);
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virtual bool do_read_one(const Filename &fullpath, const Filename &alpha_fullpath,
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int z, int n, int primary_file_num_channels, int alpha_file_channel,
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BamCacheRecord *record);
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virtual bool do_load_one(const PNMImage &pnmimage, const string &name,
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int z, int n);
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private:
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class VideoPage;
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class VideoStream;
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VideoPage &modify_page(int z);
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bool reconsider_video_properties(const VideoStream &stream,
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int num_components, int z);
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void do_update();
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class VideoStream {
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public:
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VideoStream();
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VideoStream(const VideoStream ©);
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~VideoStream();
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bool read(const Filename &filename);
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bool from_camera(int camera_index);
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void clear();
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INLINE bool is_valid() const;
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INLINE bool is_from_file() const;
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const unsigned char *get_frame_data(int frame);
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CvCapture *_capture;
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Filename _filename;
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int _camera_index;
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int _next_frame;
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};
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class VideoPage {
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public:
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INLINE VideoPage();
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INLINE VideoPage(const VideoPage ©);
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INLINE ~VideoPage();
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VideoStream _color, _alpha;
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};
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typedef pvector<VideoPage> Pages;
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Pages _pages;
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public:
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static void register_with_read_factory();
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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VideoTexture::init_type();
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register_type(_type_handle, "OpenCVTexture",
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VideoTexture::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "openCVTexture.I"
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#endif // HAVE_OPENCV
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#endif
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