Add aidl interface support for Drm Framework
This change intends to make DrmHal/CryptoHal layer support aidl
interface implemented plugins.
Test: CtsMediaDrmTestCases, GtsMediaTestCases
Bug: 200055138
Bug: 170964303
Change-Id: I7056adf184acf1463cb4fc85e1c95ac88c2097f6
diff --git a/drm/libmediadrm/include/mediadrm/CryptoHalAidl.h b/drm/libmediadrm/include/mediadrm/CryptoHalAidl.h
new file mode 100644
index 0000000..a25b091
--- /dev/null
+++ b/drm/libmediadrm/include/mediadrm/CryptoHalAidl.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef CRYPTO_HAL_AIDL_H_
+#define CRYPTO_HAL_AIDL_H_
+
+#include <aidl/android/hardware/drm/ICryptoFactory.h>
+#include <aidl/android/hardware/drm/ICryptoPlugin.h>
+
+#include <mediadrm/ICrypto.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+
+using ICryptoFactoryAidl = ::aidl::android::hardware::drm::ICryptoFactory;
+using ICryptoPluginAidl = ::aidl::android::hardware::drm::ICryptoPlugin;
+using ::aidl::android::hardware::drm::Uuid;
+
+// -------Hidl interface related-----------------
+// TODO: replace before removing hidl interface
+using ::android::hardware::drm::V1_0::DestinationBuffer;
+using ::android::hardware::drm::V1_0::SharedBuffer;
+
+using ::android::hardware::HidlMemory;
+
+// -------Hidl interface related end-------------
+
+class IMemoryHeap;
+
+namespace android {
+
+struct CryptoHalAidl : public ICrypto {
+ CryptoHalAidl();
+ virtual ~CryptoHalAidl();
+ virtual status_t initCheck() const;
+ virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]);
+ virtual status_t createPlugin(const uint8_t uuid[16], const void* data, size_t size);
+ virtual status_t destroyPlugin();
+ virtual bool requiresSecureDecoderComponent(const char* mime) const;
+ virtual void notifyResolution(uint32_t width, uint32_t height);
+ virtual status_t setMediaDrmSession(const Vector<uint8_t>& sessionId);
+ virtual ssize_t decrypt(const uint8_t key[16], const uint8_t iv[16], CryptoPlugin::Mode mode,
+ const CryptoPlugin::Pattern& pattern, const ::SharedBuffer& source,
+ size_t offset, const CryptoPlugin::SubSample* subSamples,
+ size_t numSubSamples, const ::DestinationBuffer& destination,
+ AString* errorDetailMsg);
+ virtual int32_t setHeap(const sp<HidlMemory>& heap);
+ virtual void unsetHeap(int32_t seqNum);
+ virtual status_t getLogMessages(Vector<drm::V1_4::LogMessage>& logs) const;
+
+ private:
+ mutable Mutex mLock;
+
+ const std::vector<std::shared_ptr<ICryptoFactoryAidl>> mFactories;
+ std::shared_ptr<ICryptoPluginAidl> mPlugin;
+
+ /**
+ * mInitCheck is:
+ * NO_INIT if a plugin hasn't been created yet
+ * ERROR_UNSUPPORTED if a plugin can't be created for the uuid
+ * OK after a plugin has been created and mPlugin is valid
+ */
+ status_t mInitCheck;
+
+ KeyedVector<int32_t, size_t> mHeapSizes;
+ int32_t mHeapSeqNum;
+
+ std::vector<std::shared_ptr<ICryptoFactoryAidl>> makeCryptoFactories();
+ std::shared_ptr<ICryptoPluginAidl> makeCryptoPlugin(
+ const std::shared_ptr<ICryptoFactoryAidl>& factory, const Uuid& uuidAidl,
+ const std::vector<uint8_t> initData);
+
+ status_t checkSharedBuffer(const ::SharedBuffer& buffer);
+
+ DISALLOW_EVIL_CONSTRUCTORS(CryptoHalAidl);
+};
+
+} // namespace android
+
+#endif // CRYPTO_HAL_H_