video_writer.h

#pragma once
 
#include <cgv/base/base.h>
#include <cgv/data/data_view.h>
 
#include "lib_begin.h"
 
namespace cgv {
        namespace media {
                namespace video {
 
class CGV_API video_writer;
 
class CGV_API abst_video_writer : public cgv::base::base
{
public:
        friend class video_writer;
        virtual abst_video_writer* clone() const = 0;
        virtual const char* get_supported_extensions() const = 0;
        virtual const std::string& get_last_error() const = 0;
        virtual bool scan_codecs(std::vector<std::string>& codec_names) const;
        virtual bool set_codec(const std::string& codec_name);
        virtual std::string get_codec() const;
        virtual bool open(const std::string& file_name, const cgv::data::data_format& image_format, float fps, bool interactive) = 0;
        virtual bool write_frame(const cgv::data::const_data_view& image_data) = 0;
        virtual bool close() = 0;
};
 
class CGV_API video_writer : public cgv::base::base
{
protected:
        abst_video_writer* wr;
        std::string last_error;
        bool set_void(const std::string& property, const std::string& type, const void* value);
        bool get_void(const std::string& property, const std::string& type, void* value);
public:
        static const std::string& get_supported_extensions(char sep = ';');
        static std::string construct_filter_string();
        video_writer(const std::string& file_extension);
        const std::string& get_last_error() const;
        std::string get_type_name() const;
        bool scan_codecs(std::vector<std::string>& codec_names) const;
        bool set_codec(const std::string& codec_name);
        std::string get_codec() const;
        std::string get_property_declarations();
        bool open(const std::string& file_name, 
                                 const cgv::data::data_format& image_format, 
                                 float fps = 25,
                                 bool interactive = false);
        bool write_frame(const cgv::data::const_data_view& image_data);
        bool close();
};
 
                }
        }
}
 
#include <cgv/config/lib_end.h>