1d291c222357303b9611cab89d0c3b047584ef377Chong Zhang/* 2d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * Copyright 2015 The Android Open Source Project 3d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * 4d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * Licensed under the Apache License, Version 2.0 (the "License"); 5d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * you may not use this file except in compliance with the License. 6d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * You may obtain a copy of the License at 7d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * 8d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * http://www.apache.org/licenses/LICENSE-2.0 9d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * 10d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * Unless required by applicable law or agreed to in writing, software 11d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * distributed under the License is distributed on an "AS IS" BASIS, 12d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * See the License for the specific language governing permissions and 14d291c222357303b9611cab89d0c3b047584ef377Chong Zhang * limitations under the License. 15d291c222357303b9611cab89d0c3b047584ef377Chong Zhang */ 16d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 17d291c222357303b9611cab89d0c3b047584ef377Chong Zhang#ifndef PERSISTENT_SURFACE_H_ 18d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 19d291c222357303b9611cab89d0c3b047584ef377Chong Zhang#define PERSISTENT_SURFACE_H_ 20d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 21addf2cbb120346ae42e78fa739245a353db5edadChong Zhang#include <android/IGraphicBufferSource.h> 22addf2cbb120346ae42e78fa739245a353db5edadChong Zhang#include <binder/Parcel.h> 23d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar#include <hidl/HidlSupport.h> 2479c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar#include <hidl/HybridInterface.h> 25d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar#include <gui/IGraphicBufferProducer.h> 26d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar#include <media/stagefright/foundation/ABase.h> 27d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar 28d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnarusing android::hidl::base::V1_0::IBase; 29d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 30d291c222357303b9611cab89d0c3b047584ef377Chong Zhangnamespace android { 31d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 32d291c222357303b9611cab89d0c3b047584ef377Chong Zhangstruct PersistentSurface : public RefBase { 33addf2cbb120346ae42e78fa739245a353db5edadChong Zhang PersistentSurface() {} 34addf2cbb120346ae42e78fa739245a353db5edadChong Zhang 35d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar // create an OMX persistent surface 36d291c222357303b9611cab89d0c3b047584ef377Chong Zhang PersistentSurface( 37d291c222357303b9611cab89d0c3b047584ef377Chong Zhang const sp<IGraphicBufferProducer>& bufferProducer, 38addf2cbb120346ae42e78fa739245a353db5edadChong Zhang const sp<IGraphicBufferSource>& bufferSource) : 39d291c222357303b9611cab89d0c3b047584ef377Chong Zhang mBufferProducer(bufferProducer), 40addf2cbb120346ae42e78fa739245a353db5edadChong Zhang mBufferSource(bufferSource) { } 41d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 42d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar // create a HIDL persistent surface 43d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar PersistentSurface( 44d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar const sp<IGraphicBufferProducer>& bufferProducer, 45d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar const sp<IBase>& hidlTarget) : 46d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar mBufferProducer(bufferProducer), 47d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar mHidlTarget(hidlTarget) { } 48d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar 49d291c222357303b9611cab89d0c3b047584ef377Chong Zhang sp<IGraphicBufferProducer> getBufferProducer() const { 50d291c222357303b9611cab89d0c3b047584ef377Chong Zhang return mBufferProducer; 51d291c222357303b9611cab89d0c3b047584ef377Chong Zhang } 52d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 53addf2cbb120346ae42e78fa739245a353db5edadChong Zhang sp<IGraphicBufferSource> getBufferSource() const { 54addf2cbb120346ae42e78fa739245a353db5edadChong Zhang return mBufferSource; 55addf2cbb120346ae42e78fa739245a353db5edadChong Zhang } 56addf2cbb120346ae42e78fa739245a353db5edadChong Zhang 57d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar sp<IBase> getHidlTarget() const { 58d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar return mHidlTarget; 59d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar } 60d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar 61addf2cbb120346ae42e78fa739245a353db5edadChong Zhang status_t writeToParcel(Parcel *parcel) const { 62addf2cbb120346ae42e78fa739245a353db5edadChong Zhang parcel->writeStrongBinder(IInterface::asBinder(mBufferProducer)); 6379c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar // this can handle null 64addf2cbb120346ae42e78fa739245a353db5edadChong Zhang parcel->writeStrongBinder(IInterface::asBinder(mBufferSource)); 6579c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar // write hidl target 6679c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar if (mHidlTarget != nullptr) { 6779c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar HalToken token; 6879c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar bool result = createHalToken(mHidlTarget, &token); 6979c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar parcel->writeBool(result); 7079c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar if (result) { 7179c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar parcel->writeByteArray(token.size(), token.data()); 7279c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar } 7379c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar } else { 7479c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar parcel->writeBool(false); 7579c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar } 76addf2cbb120346ae42e78fa739245a353db5edadChong Zhang return NO_ERROR; 77addf2cbb120346ae42e78fa739245a353db5edadChong Zhang } 78addf2cbb120346ae42e78fa739245a353db5edadChong Zhang 79addf2cbb120346ae42e78fa739245a353db5edadChong Zhang status_t readFromParcel(const Parcel *parcel) { 80addf2cbb120346ae42e78fa739245a353db5edadChong Zhang mBufferProducer = interface_cast<IGraphicBufferProducer>( 81addf2cbb120346ae42e78fa739245a353db5edadChong Zhang parcel->readStrongBinder()); 82addf2cbb120346ae42e78fa739245a353db5edadChong Zhang mBufferSource = interface_cast<IGraphicBufferSource>( 83addf2cbb120346ae42e78fa739245a353db5edadChong Zhang parcel->readStrongBinder()); 8479c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar // read hidl target 8579c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar bool haveHidlTarget = parcel->readBool(); 8679c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar if (haveHidlTarget) { 8779c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar std::vector<uint8_t> tokenVector; 8879c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar parcel->readByteVector(&tokenVector); 8979c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar HalToken token = HalToken(tokenVector); 9079c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar mHidlTarget = retrieveHalInterface(token); 9179c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar deleteHalToken(token); 9279c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar } else { 9379c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar mHidlTarget.clear(); 9479c49ae0bdaaee24d7dc26b6658acfab27274b22Lajos Molnar } 95addf2cbb120346ae42e78fa739245a353db5edadChong Zhang return NO_ERROR; 96d291c222357303b9611cab89d0c3b047584ef377Chong Zhang } 97d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 98d291c222357303b9611cab89d0c3b047584ef377Chong Zhangprivate: 99addf2cbb120346ae42e78fa739245a353db5edadChong Zhang sp<IGraphicBufferProducer> mBufferProducer; 100addf2cbb120346ae42e78fa739245a353db5edadChong Zhang sp<IGraphicBufferSource> mBufferSource; 101d3663c97fb8bd44877e07a753a12b838a780b69cLajos Molnar sp<IBase> mHidlTarget; 102d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 103d291c222357303b9611cab89d0c3b047584ef377Chong Zhang DISALLOW_EVIL_CONSTRUCTORS(PersistentSurface); 104d291c222357303b9611cab89d0c3b047584ef377Chong Zhang}; 105d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 106d291c222357303b9611cab89d0c3b047584ef377Chong Zhang} // namespace android 107d291c222357303b9611cab89d0c3b047584ef377Chong Zhang 108d291c222357303b9611cab89d0c3b047584ef377Chong Zhang#endif // PERSISTENT_SURFACE_H_ 109