FLAC.h

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#pragma once
 
#include "../Containers/Wave.h"
 
 
namespace Gorgon { namespace Encoding {
 
    class FLAC {
    public:
        FLAC(int buffersize = 1024);
 
        ~FLAC();
 
        void Encode(const Containers::Wave &input, std::ostream &output, int bps = 16);
 
        void Encode(const Containers::Wave &input, const std::string &filename, int bps = 16) {
            std::ofstream stream(filename, std::ios::binary);
            Encode(input, stream, bps);
        }
 
        void Encode(const Containers::Wave &input, std::vector<Byte> &output, int bps = 16);
 
        void Decode(std::istream &input, Containers::Wave &wave);
 
        void Decode(const std::vector<Byte> &input, Containers::Wave &wave);
 
        void Decode(const std::string &filename, Containers::Wave &wave) {
            std::ifstream stream(filename, std::ios::binary);
            if(!stream.is_open()) throw std::runtime_error("Cannot open file");
            return Decode(stream, wave);
        }
 
    private:
        void *prepencode(const Containers::Wave &input, int bps);
 
        void encode(void *enc, const Containers::Wave &input, int bps);
 
        void *prepdecode();
 
 
        int buffersize;
        std::vector<int32_t> buffer;
        std::streampos maxpos;
    };
 
    class FlacStream {
    public:
        template <class I_>
        FlacStream(const I_ &input, Containers::Wave &output);
 
        bool Eof() const;
 
        void Read();
 
        void Seek(std::size_t destination);
 
 
    };
 
    extern FLAC Flac;
 
} }