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96 lines
2.8 KiB
96 lines
2.8 KiB
/*
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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 <cutils/native_handle.h>
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#include <media/hardware/CryptoAPI.h>
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#include <media/stagefright/foundation/ABase.h>
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#include <utils/RefBase.h>
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#include <utils/StrongPointer.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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namespace hardware {
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class HidlMemory;
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namespace drm {
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namespace V1_0 {
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struct SharedBuffer;
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struct DestinationBuffer;
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} // namespace V1_0
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} // namespace drm
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} // namespace hardware
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} // namespace android
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namespace drm = ::android::hardware::drm;
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using drm::V1_0::SharedBuffer;
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namespace android {
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struct AString;
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struct ICrypto : public RefBase {
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virtual ~ICrypto() {}
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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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kDestinationTypeSharedMemory, // non-secure
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kDestinationTypeNativeHandle // secure
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};
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virtual ssize_t decrypt(const uint8_t /*key*/[16], const uint8_t /*iv*/[16],
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CryptoPlugin::Mode /*mode*/, const CryptoPlugin::Pattern &/*pattern*/,
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const drm::V1_0::SharedBuffer &/*source*/, size_t /*offset*/,
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const CryptoPlugin::SubSample * /*subSamples*/, size_t /*numSubSamples*/,
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const drm::V1_0::DestinationBuffer &/*destination*/, AString * /*errorDetailMsg*/) = 0;
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/**
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* Declare the heap that the shared memory source buffers passed
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* to decrypt will be allocated from. Returns a sequence number
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* that subsequent decrypt calls can use to refer to the heap,
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* with -1 indicating failure.
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*/
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virtual int32_t setHeap(const sp<hardware::HidlMemory>& heap) = 0;
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virtual void unsetHeap(int32_t seqNum) = 0;
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protected:
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ICrypto() {}
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private:
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DISALLOW_EVIL_CONSTRUCTORS(ICrypto);
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};
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} // namespace android
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#endif // ANDROID_ICRYPTO_H_
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