5f209e6980
Note that this version does not have Widevine Provisioning 4.0 support. It is only suitable for device upgrades. A new patch with provisioning 4.0 support will be made later.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
// Copyright 2020 Google LLC. All Rights Reserved. This file and proprietary
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// source code may only be used and distributed under the Widevine Master
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// License Agreement.
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#ifndef EMM_PARSER_H
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#define EMM_PARSER_H
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#include <memory>
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#include <vector>
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#include "cas_types.h"
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#include "media_cas.pb.h"
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namespace wvcas {
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using video_widevine::EmmPayload;
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class EmmParser {
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public:
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EmmParser(const EmmParser&) = delete;
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EmmParser& operator=(const EmmParser&) = delete;
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virtual ~EmmParser() = default;
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// The EmmParser factory method.
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// The methods validates the passed in |emm|. If validation is successful, it
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// constructs and returns an EmmParser. Otherwise, nullptr is returned.
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static std::unique_ptr<const EmmParser> Create(const CasEmm& emm);
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// Accessor methods.
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virtual uint64_t timestamp() const { return timestamp_; }
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virtual std::string signature() const { return signature_; }
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virtual EmmPayload emm_payload() const { return emm_payload_; };
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protected:
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// Called by the factory create and unit test.
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EmmParser() = default;
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private:
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bool Parse(int start_index, const CasEmm& emm);
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uint8_t version_;
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uint64_t timestamp_;
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EmmPayload emm_payload_;
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std::string signature_;
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};
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} // namespace wvcas
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#endif // EMM_PARSER_H
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