131 lines
3.7 KiB
C++
131 lines
3.7 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file openCVTexture.h
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* @author zacpavlov
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* @date 2005-08-19
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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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struct CvCapture;
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/**
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* A specialization on VideoTexture that takes its input using the CV library,
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* to produce an animated texture, with its source taken from an .avi file or
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* from a camera input.
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*/
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class EXPCL_VISION OpenCVTexture : public VideoTexture {
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PUBLISHED:
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OpenCVTexture(const std::string &name = std::string());
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OpenCVTexture(const OpenCVTexture ©) = delete;
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virtual ~OpenCVTexture();
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bool from_camera(int camera_index = -1, int z = 0,
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int alpha_file_channel = 0,
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const LoaderOptions &options = LoaderOptions());
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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 consider_update();
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virtual PT(Texture) make_copy_impl() const;
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void do_assign(Texture::CData *cdata_tex, const OpenCVTexture *copy,
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const Texture::CData *cdata_copy_tex);
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virtual void do_update_frame(Texture::CData *cdata_tex, int frame);
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virtual void do_update_frame(Texture::CData *cdata_tex, int frame, int z);
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virtual bool do_read_one(Texture::CData *cdata,
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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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const LoaderOptions &options,
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bool header_only, BamCacheRecord *record);
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virtual bool do_load_one(Texture::CData *cdata,
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const PNMImage &pnmimage, const std::string &name,
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int z, int n, const LoaderOptions &options);
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private:
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class VideoPage;
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class VideoStream;
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VideoPage &do_modify_page(const Texture::CData *cdata, int z);
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bool do_reconsider_video_properties(Texture::CData *cdata,
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const VideoStream &stream,
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int num_components, int z,
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const LoaderOptions &options);
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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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bool get_frame_data(int frame,
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const unsigned char *&r,
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const unsigned char *&g,
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const unsigned char *&b,
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int &x_pitch, int &y_pitch);
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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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