81 lines
2.4 KiB
C++
81 lines
2.4 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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#include <binder/IInterface.h>
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#include <media/stagefright/foundation/ABase.h>
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#include <media/hardware/CryptoAPI.h>
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#ifndef ANDROID_ICRYPTO_H_
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#define ANDROID_ICRYPTO_H_
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namespace android {
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struct AString;
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class IMemory;
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struct ICrypto : public IInterface {
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DECLARE_META_INTERFACE(Crypto);
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virtual status_t initCheck() const = 0;
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virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]) = 0;
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virtual status_t createPlugin(
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const uint8_t uuid[16], const void *data, size_t size) = 0;
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virtual status_t destroyPlugin() = 0;
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virtual bool requiresSecureDecoderComponent(
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const char *mime) const = 0;
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virtual void notifyResolution(uint32_t width, uint32_t height) = 0;
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virtual status_t setMediaDrmSession(const Vector<uint8_t> &sessionId) = 0;
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enum DestinationType {
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kDestinationTypeVmPointer, // non-secure
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kDestinationTypeOpaqueHandle, // secure
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kDestinationTypeNativeHandle // secure
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};
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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) = 0;
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private:
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DISALLOW_EVIL_CONSTRUCTORS(ICrypto);
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};
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struct BnCrypto : public BnInterface<ICrypto> {
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virtual status_t onTransact(
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uint32_t code, const Parcel &data, Parcel *reply,
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uint32_t flags = 0);
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private:
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void readVector(const Parcel &data, Vector<uint8_t> &vector) const;
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void writeVector(Parcel *reply, Vector<uint8_t> const &vector) const;
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};
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} // namespace android
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#endif // ANDROID_ICRYPTO_H_
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