MediaDraw.hpp

/*
* @Author: tangfahong
* @Date: 2024/3/22
*/
 
#ifndef EMX_MediaDraw_HPP
#define EMX_MediaDraw_HPP
 
#include "MediaParamCBase.hpp"
#include "media/common/MediaInfDraw.hpp"
#include "core/EmxUtils.hpp"
#include <cstring>
#include <list>
 
namespace Emx {
    class MediaDraw : public MediaInfDraw, public MediaParamCBase<MediaInfDraw::Param> {
    public:
        explicit MediaDraw(int32_t chn) : MediaParamCBase(MediaModE::Draw, chn) {}
 
        ErrCodeE SetParam(const Param &param) override;
 
        ErrCodeE GetParam(Param &param) override;
 
        ErrCodeE GetParamDefault(Param &param) override;
 
        ErrCodeE SetTmpParam(const Param &param) override;
 
        ErrCodeE GetRunningParam(Param &param) override;
    };
 
    class MediaDrawAsync{
    public:
        ErrCodeE Create(EuvLoop &loop, uint32_t paramNumMax);
 
        ErrCodeE PushUserParam(int32_t chn, const MediaInfDraw::Param &userParam);
 
        ErrCodeE ClearUserParam(int32_t chn);
 
        ErrCodeE PushAllParam(int32_t chn, const MediaInfDraw::Param &param);
 
        ErrCodeE ClearAllParam(int32_t chn);
 
        void Destroy();
    private:
        ErrCodeE PushParam(int32_t chn,bool isAll, const MediaInfDraw::Param &param);
 
        ErrCodeE ClearParam(int32_t chn,bool isAll);
 
    private:
        MsgTopicPublisherAsync m_pub;
        int m_chn;                   
        uint32_t m_paramNumMax;           
        uint8_t *m_buffer;           
        uint32_t m_bufferSize;       
        uint32_t m_userSize;         
    };
}// namespace Emx
#endif//EMX_MediaOSD_HPP