platform_hardware_interfaces/cas/native/1.0/IDescrambler.hal
Steven Moreland 218c6d8b2f Fix HALs to not have transitive depends.
Bug in hidl-gen allowed this to work.

Test: -Lcheck
Bug: 65055216
Change-Id: Ia0cbaac4c8bfd93be169f4fab5c9ce016ee6c473
2017-08-28 11:13:19 -07:00

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/*
* 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
*
* 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.
*/
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);
};