| /* |
| * Copyright 2017, 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 _ANDROID_MEDIA_DESCRAMBLER_H_ |
| #define _ANDROID_MEDIA_DESCRAMBLER_H_ |
| |
| #include "jni.h" |
| |
| #include <binder/Status.h> |
| #include <media/cas/DescramblerAPI.h> |
| #include <media/stagefright/foundation/ABase.h> |
| #include <utils/Mutex.h> |
| #include <utils/RefBase.h> |
| |
| namespace android { |
| class IMemory; |
| class MemoryDealer; |
| namespace media { |
| class IDescrambler; |
| }; |
| using namespace media; |
| using binder::Status; |
| |
| struct JDescrambler : public RefBase { |
| JDescrambler(JNIEnv *env, jobject descramberBinderObj); |
| |
| Status descramble( |
| jbyte key, |
| size_t numSubSamples, |
| ssize_t totalLength, |
| DescramblerPlugin::SubSample *subSamples, |
| const void *srcPtr, |
| jint srcOffset, |
| void *dstPtr, |
| jint dstOffset, |
| ssize_t *result); |
| |
| protected: |
| virtual ~JDescrambler(); |
| |
| private: |
| sp<IDescrambler> mDescrambler; |
| sp<IMemory> mMem; |
| sp<MemoryDealer> mDealer; |
| Mutex mSharedMemLock; |
| |
| void ensureBufferCapacity(size_t neededSize); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(JDescrambler); |
| }; |
| |
| } // namespace android |
| |
| #endif // _ANDROID_MEDIA_DESCRAMBLER_H_ |