platform_hardware_interfaces/drm/crypto/1.0/ICryptoFactory.hal
Jeff Tinker 53b52fe81f Treble HAL interfaces for drm+crypto
b/32815560

Tests: Make completes successfully

Change-Id: Id65cfef95094ccd9a9e95fa567651f94b66aaa51
2016-12-09 19:29:45 -08:00

55 lines
1.9 KiB
Text

/*
* Copyright (C) 2016 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.drm.crypto@1.0;
import ICryptoPlugin;
/**
* Ref: frameworks/native/include/media/hardware/CryptoAPI.h:CryptoFactory
*
* ICryptoFactory is the main entry point for interacting with a vendor's
* crypto HAL to create crypto plugins. Crypto plugins create crypto sessions
* which are used by a codec to decrypt protected video content.
*/
interface ICryptoFactory {
/*
* Determine if a crypto scheme is supported by this HAL
*
* @param uuid identifies the crypto scheme in question
* @return isSupported must be true only if the scheme is supported
*/
isCryptoSchemeSupported(uint8_t[16] uuid) generates(bool isSupported);
/*
* Create a crypto plugin for the specified uuid and scheme-specific
* initialization data.
*
* @param uuid uniquely identifies the drm scheme. See
* http://dashif.org/identifiers/protection for uuid assignments
* @param initData scheme-specific init data.
* @return the status of the call
* @return the created ICryptoPlugin
*/
createPlugin(uint8_t[16] uuid, vec<uint8_t> initData)
generates (Status status, ICryptoPlugin cryptoPlugin);
/*
* Destroy a previously created crypto plugin
*
* @return status the status of the call
*/
destroyPlugin() generates(Status status);
};