#pragma once

#include "screencast/codec/encoder.h"

#include <cstdint>
#include <memory>
#include <optional>
#include <span>
#include <vector>

namespace sc {

struct DecodedFrame {
    int width = 0;
    int height = 0;
    uint64_t capture_timestamp_ns = 0;
    std::vector<std::byte> rgba_pixels;
};

struct DecoderConfig {
    std::string_view codec_name = "h264";
    int width = 0;
    int height = 0;
};

class Decoder {
  public:
    virtual ~Decoder () = default;

    // Feed one encoded frame. Returns decoded frames when available.
    virtual std::vector<DecodedFrame> decode ( const EncodedFrame &frame ) = 0;
};

class DecoderFactory {
  public:
    static std::unique_ptr<Decoder> create ( const DecoderConfig &config );
};

}  // namespace sc