gecko-dev/dom/media/gmp/GMPEncryptedBufferDataImpl.h

93 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 GMPEncryptedBufferDataImpl_h_
#define GMPEncryptedBufferDataImpl_h_
#include "gmp-decryption.h"
#include "nsAutoPtr.h"
#include "nsTArray.h"
#include "mozilla/gmp/GMPTypes.h"
namespace mozilla {
class CryptoSample;
namespace gmp {
class GMPStringListImpl : public GMPStringList
{
public:
explicit GMPStringListImpl(const nsTArray<nsCString>& aStrings);
uint32_t Size() const override;
void StringAt(uint32_t aIndex,
const char** aOutString, uint32_t *aOutLength) const override;
virtual ~GMPStringListImpl() override;
void RelinquishData(nsTArray<nsCString>& aStrings);
private:
nsTArray<nsCString> mStrings;
};
class GMPEncryptedBufferDataImpl : public GMPEncryptedBufferMetadata {
public:
explicit GMPEncryptedBufferDataImpl(const CryptoSample& aCrypto);
explicit GMPEncryptedBufferDataImpl(const GMPDecryptionData& aData);
virtual ~GMPEncryptedBufferDataImpl();
void RelinquishData(GMPDecryptionData& aData);
const uint8_t* KeyId() const override;
uint32_t KeyIdSize() const override;
const uint8_t* IV() const override;
uint32_t IVSize() const override;
uint32_t NumSubsamples() const override;
const uint16_t* ClearBytes() const override;
const uint32_t* CipherBytes() const override;
const GMPStringList* SessionIds() const override;
private:
nsTArray<uint8_t> mKeyId;
nsTArray<uint8_t> mIV;
nsTArray<uint16_t> mClearBytes;
nsTArray<uint32_t> mCipherBytes;
GMPStringListImpl mSessionIdList;
};
class GMPBufferImpl : public GMPBuffer {
public:
GMPBufferImpl(uint32_t aId, const nsTArray<uint8_t>& aData)
: mId(aId)
, mData(aData)
{
}
uint32_t Id() const override {
return mId;
}
uint8_t* Data() override {
return mData.Elements();
}
uint32_t Size() const override {
return mData.Length();
}
void Resize(uint32_t aSize) override {
mData.SetLength(aSize);
}
// Set metadata object to be freed when this buffer is destroyed.
void SetMetadata(GMPEncryptedBufferDataImpl* aMetadata) {
mMetadata = aMetadata;
}
uint32_t mId;
nsTArray<uint8_t> mData;
nsAutoPtr<GMPEncryptedBufferDataImpl> mMetadata;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPEncryptedBufferDataImpl_h_