21 FourCC protection_scheme);
35 std::optional<std::vector<uint8_t>> GeneratePsshDataFromKeyIds(
36 const std::vector<std::vector<uint8_t>>& key_ids)
const override;
38 std::optional<std::vector<uint8_t>> GeneratePsshDataFromKeyIdAndKey(
39 const std::vector<uint8_t>& key_id,
40 const std::vector<uint8_t>& key)
const override;
42 const std::string extra_header_data_;
43 const FourCC protection_scheme_;