blob: 4822111d2f221080c4cde148fdb34302ae7b9828 [file] [log] [blame]
* Copyright (C) 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
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
package android.hardware.cas.native@1.0;
import android.hardware.cas@1.0::IDescramblerBase;
import android.hardware.cas@1.0::Status;
* IDescrambler is the native plugin API for descrambling operations.
interface IDescrambler extends IDescramblerBase {
* Descramble the data in a source SharedBuffer, described by an array of
* SubSample structures.
* @param scramblingControl an enumeration indicating the key that the subsamples
* were scrambled with.
* @param subSamples an array of SubSample structures describing the number of
* clear and scrambled bytes within each subsample.
* @param srcBuffer the SharedBuffer containing the source scrambled data.
* @param srcOffset the position where the source scrambled data starts at.
* @param dstBuffer the DestinationBuffer to hold the descrambled data.
* @param dstOffset the position where the descrambled data should start at.
* @return status the status of the call.
* @return bytesWritten number of bytes that have been successfully descrambled.
* @return detailedError a detailed message describing the error (if any).
descramble(ScramblingControl scramblingControl, vec<SubSample> subSamples,
SharedBuffer srcBuffer, uint64_t srcOffset, DestinationBuffer dstBuffer, uint64_t dstOffset)
generates(Status status, uint32_t bytesWritten, string detailedError);