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>