84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef CRYPTO_H_
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#define CRYPTO_H_
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#include <media/ICrypto.h>
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#include <utils/threads.h>
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#include <utils/KeyedVector.h>
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#include "SharedLibrary.h"
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namespace android {
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struct CryptoFactory;
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struct CryptoPlugin;
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struct Crypto : public BnCrypto {
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Crypto();
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virtual ~Crypto();
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virtual status_t initCheck() const;
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virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]);
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virtual status_t createPlugin(
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const uint8_t uuid[16], const void *data, size_t size);
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virtual status_t destroyPlugin();
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virtual bool requiresSecureDecoderComponent(
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const char *mime) const;
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virtual void notifyResolution(uint32_t width, uint32_t height);
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virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId);
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virtual ssize_t decrypt(
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DestinationType dstType,
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const uint8_t key[16],
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const uint8_t iv[16],
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CryptoPlugin::Mode mode,
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const CryptoPlugin::Pattern &pattern,
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const sp<IMemory> &sharedBuffer, size_t offset,
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const CryptoPlugin::SubSample *subSamples, size_t numSubSamples,
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void *dstPtr,
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AString *errorDetailMsg);
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private:
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mutable Mutex mLock;
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status_t mInitCheck;
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sp<SharedLibrary> mLibrary;
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CryptoFactory *mFactory;
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CryptoPlugin *mPlugin;
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static KeyedVector<Vector<uint8_t>, String8> mUUIDToLibraryPathMap;
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static KeyedVector<String8, wp<SharedLibrary> > mLibraryPathToOpenLibraryMap;
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static Mutex mMapLock;
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void findFactoryForScheme(const uint8_t uuid[16]);
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bool loadLibraryForScheme(const String8 &path, const uint8_t uuid[16]);
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void closeFactory();
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DISALLOW_EVIL_CONSTRUCTORS(Crypto);
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};
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} // namespace android
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#endif // CRYPTO_H_
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