float_to_char.h

#pragma once
 
#include "common/dsp/complex.h"
#include "dsp/block_simple.h"
 
namespace satdump
{
    namespace ndsp
    {
        class FloatToCharBlock : public BlockSimple<float, int8_t>
        {
        private:
            float scale = 1.0;
 
        public:
            uint32_t process(float *input, uint32_t nsamples, int8_t *output);
 
        public:
            FloatToCharBlock();
            ~FloatToCharBlock();
 
            void init() {}
 
            nlohmann::ordered_json get_cfg_list()
            {
                nlohmann::ordered_json p;
                add_param_simple(p, "scale", "float");
                return p;
            }
 
            nlohmann::json get_cfg(std::string key)
            {
                if (key == "scale")
                    return scale;
                else
                    throw satdump_exception(key);
            }
 
            cfg_res_t set_cfg(std::string key, nlohmann::json v)
            {
                if (key == "scale")
                    scale = v;
                else
                    throw satdump_exception(key);
                return RES_OK;
            }
        };
    } // namespace ndsp
} // namespace satdump