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/*
* 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 <android/hardware/cas/native/1.0/IDescrambler.h>
#include <media/stagefright/foundation/ABase.h>
#include <utils/Mutex.h>
namespace android {
class IMemory;
class MemoryDealer;
using hardware::hidl_memory;
using hardware::hidl_string;
using hardware::hidl_vec;
using namespace hardware::cas::V1_0;
using namespace hardware::cas::native::V1_0;
struct JDescrambler : public RefBase {
JDescrambler(JNIEnv *env, jobject descramberBinderObj);
status_t descramble(
jbyte key,
ssize_t totalLength,
const hidl_vec<SubSample>& subSamples,
const void *srcPtr,
jint srcOffset,
void *dstPtr,
jint dstOffset,
Status *status,
uint32_t *bytesWritten,
hidl_string *detailedError);
static sp<IDescrambler> GetDescrambler(JNIEnv *env, jobject obj);
protected:
virtual ~JDescrambler();
private:
sp<IDescrambler> mDescrambler;
sp<IMemory> mMem;
sp<MemoryDealer> mDealer;
SharedBuffer mDescramblerSrcBuffer;
Mutex mSharedMemLock;
bool ensureBufferCapacity(size_t neededSize);
DISALLOW_EVIL_CONSTRUCTORS(JDescrambler);
};
} // namespace android
#endif // _ANDROID_MEDIA_DESCRAMBLER_H_
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