ks_properties.h

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  #pragma once
 
  #ifdef _WIN32
 
  #include <dshow.h>
  #include <ks.h>
  #include <ksproxy.h>
  #include <duvc-ctl/core/result.h>
  #include <duvc-ctl/core/types.h>
  #include <duvc-ctl/detail/com_helpers.h>
  #include <vector>
  #include <windows.h>
 
  struct IKsPropertySet;
 
  namespace duvc {
 
  class KsPropertySet {
  public:
    explicit KsPropertySet(const Device &device);
 
    ~KsPropertySet();
 
    // Non-copyable but movable
    KsPropertySet(const KsPropertySet &) = delete;
    KsPropertySet &operator=(const KsPropertySet &) = delete;
    KsPropertySet(KsPropertySet &&) noexcept;
    KsPropertySet &operator=(KsPropertySet &&) noexcept;
 
    bool is_valid() const;
 
    Result<uint32_t> query_support(const GUID &property_set,
                                  uint32_t property_id);
 
    Result<std::vector<uint8_t>> get_property(const GUID &property_set,
                                              uint32_t property_id);
 
    Result<void> set_property(const GUID &property_set, uint32_t property_id,
                              const std::vector<uint8_t> &data);
 
    template <typename T>
    Result<T> get_property_typed(const GUID &property_set, uint32_t property_id);
 
    template <typename T>
    Result<void> set_property_typed(const GUID &property_set,
                                    uint32_t property_id, const T &value);
 
  private:
    Device device_;
    detail::com_ptr<IBaseFilter> basefilter_;  // keeps DLL loaded
    // Helper to get property set interface on-demand
    detail::com_ptr<IKsPropertySet> get_property_set() const;
    HMODULE mfksproxy_dll_ = nullptr;   
  };
 
  } // namespace duvc
 
  #endif // _WIN32