/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef SINF_PARSER_H_
#define SINF_PARSER_H_
#include "mozilla/ResultExtensions.h"
#include "Atom.h"
#include "AtomType.h"
#include "nsTArray.h"
namespace mozilla {
class Box;
class Sinf :
public Atom {
public:
Sinf()
: mDefaultIVSize(0),
mDefaultCryptByteBlock(0),
mDefaultSkipByteBlock(0) {}
explicit Sinf(Box& aBox);
bool IsValid() override {
return !!mDefaultEncryptionType &&
// Should have an encryption scheme
(mDefaultIVSize > 0 ||
// and either a default IV size
mDefaultConstantIV.Length() > 0);
// or a constant IV.
}
uint8_t mDefaultIVSize;
AtomType mDefaultEncryptionType;
uint8_t mDefaultKeyID[16];
uint8_t mDefaultCryptByteBlock;
uint8_t mDefaultSkipByteBlock;
CopyableTArray<uint8_t> mDefaultConstantIV;
};
class SinfParser {
public:
explicit SinfParser(Box& aBox);
Sinf& GetSinf() {
return mSinf; }
private:
Result<Ok, nsresult> ParseSchm(Box& aBox);
Result<Ok, nsresult> ParseSchi(Box& aBox);
Result<Ok, nsresult> ParseTenc(Box& aBox);
Sinf mSinf;
};
}
// namespace mozilla
#endif // SINF_PARSER_H_
