| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include <binder/IInterface.h> |
| #include <media/hardware/HDCPAPI.h> |
| #include <media/stagefright/foundation/ABase.h> |
| #include <ui/GraphicBuffer.h> |
| |
| namespace android { |
| |
| struct IHDCPObserver : public IInterface { |
| DECLARE_META_INTERFACE(HDCPObserver); |
| |
| virtual void notify( |
| int msg, int ext1, int ext2, const Parcel *obj) = 0; |
| |
| private: |
| DISALLOW_EVIL_CONSTRUCTORS(IHDCPObserver); |
| }; |
| |
| struct IHDCP : public IInterface { |
| DECLARE_META_INTERFACE(HDCP); |
| |
| // Called to specify the observer that receives asynchronous notifications |
| // from the HDCP implementation to signal completion/failure of asynchronous |
| // operations (such as initialization) or out of band events. |
| virtual status_t setObserver(const sp<IHDCPObserver> &observer) = 0; |
| |
| // Request to setup an HDCP session with the specified host listening |
| // on the specified port. |
| virtual status_t initAsync(const char *host, unsigned port) = 0; |
| |
| // Request to shutdown the active HDCP session. |
| virtual status_t shutdownAsync() = 0; |
| |
| // Returns the capability bitmask of this HDCP session. |
| // Possible return values (please refer to HDCAPAPI.h): |
| // HDCP_CAPS_ENCRYPT: mandatory, meaning the HDCP module can encrypt |
| // from an input byte-array buffer to an output byte-array buffer |
| // HDCP_CAPS_ENCRYPT_NATIVE: the HDCP module supports encryption from |
| // a native buffer to an output byte-array buffer. The format of the |
| // input native buffer is specific to vendor's encoder implementation. |
| // It is the same format as that used by the encoder when |
| // "storeMetaDataInBuffers" extension is enabled on its output port. |
| virtual uint32_t getCaps() = 0; |
| |
| // ENCRYPTION only: |
| // Encrypt data according to the HDCP spec. "size" bytes of data are |
| // available at "inData" (virtual address), "size" may not be a multiple |
| // of 128 bits (16 bytes). An equal number of encrypted bytes should be |
| // written to the buffer at "outData" (virtual address). |
| // This operation is to be synchronous, i.e. this call does not return |
| // until outData contains size bytes of encrypted data. |
| // streamCTR will be assigned by the caller (to 0 for the first PES stream, |
| // 1 for the second and so on) |
| // inputCTR _will_be_maintained_by_the_callee_ for each PES stream. |
| virtual status_t encrypt( |
| const void *inData, size_t size, uint32_t streamCTR, |
| uint64_t *outInputCTR, void *outData) = 0; |
| |
| // Encrypt data according to the HDCP spec. "size" bytes of data starting |
| // at location "offset" are available in "buffer" (buffer handle). "size" |
| // may not be a multiple of 128 bits (16 bytes). An equal number of |
| // encrypted bytes should be written to the buffer at "outData" (virtual |
| // address). This operation is to be synchronous, i.e. this call does not |
| // return until outData contains size bytes of encrypted data. |
| // streamCTR will be assigned by the caller (to 0 for the first PES stream, |
| // 1 for the second and so on) |
| // inputCTR _will_be_maintained_by_the_callee_ for each PES stream. |
| virtual status_t encryptNative( |
| const sp<GraphicBuffer> &graphicBuffer, |
| size_t offset, size_t size, uint32_t streamCTR, |
| uint64_t *outInputCTR, void *outData) = 0; |
| |
| // DECRYPTION only: |
| // Decrypt data according to the HDCP spec. |
| // "size" bytes of encrypted data are available at "inData" |
| // (virtual address), "size" may not be a multiple of 128 bits (16 bytes). |
| // An equal number of decrypted bytes should be written to the buffer |
| // at "outData" (virtual address). |
| // This operation is to be synchronous, i.e. this call does not return |
| // until outData contains size bytes of decrypted data. |
| // Both streamCTR and inputCTR will be provided by the caller. |
| virtual status_t decrypt( |
| const void *inData, size_t size, |
| uint32_t streamCTR, uint64_t inputCTR, |
| void *outData) = 0; |
| |
| private: |
| DISALLOW_EVIL_CONSTRUCTORS(IHDCP); |
| }; |
| |
| struct BnHDCPObserver : public BnInterface<IHDCPObserver> { |
| virtual status_t onTransact( |
| uint32_t code, const Parcel &data, Parcel *reply, |
| uint32_t flags = 0); |
| }; |
| |
| struct BnHDCP : public BnInterface<IHDCP> { |
| virtual status_t onTransact( |
| uint32_t code, const Parcel &data, Parcel *reply, |
| uint32_t flags = 0); |
| }; |
| |
| } // namespace android |
| |
| |