stream.hpp

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#pragma once
#include <capo/polymorphic.hpp>
#include <cstddef>
#include <cstdint>
#include <optional>
#include <span>
 
namespace capo {
class IStream : public Polymorphic {
  public:
    [[nodiscard]] virtual auto get_sample_rate() const -> std::uint32_t = 0;
    [[nodiscard]] virtual auto get_channels() const -> std::uint8_t = 0;
 
    [[nodiscard]] virtual auto read_samples(std::span<float> out) -> std::size_t = 0;
 
    [[nodiscard]] virtual auto seek_to_sample([[maybe_unused]] std::size_t index) -> bool { return false; }
    [[nodiscard]] virtual auto get_cursor() const -> std::optional<std::size_t> { return {}; }
    [[nodiscard]] virtual auto get_sample_count() const -> std::size_t { return 0; }
    [[nodiscard]] virtual auto set_looping([[maybe_unused]] bool looping) -> bool { return true; }
};
} // namespace capo