1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #pragma once 17 18 #include <C2Buffer.h> 19 20 #include <android-base/unique_fd.h> 21 22 #include <memory> 23 24 namespace aidl::android::hardware::media::c2 { 25 class IGraphicBufferAllocator; 26 } 27 28 /** 29 * Codec2-AIDL IGraphicBufferAllocator backed C2BlockPool 30 * 31 * Graphic Blocks are created using IGraphicBufferAllocator C2AIDL interface. 32 */ 33 class C2IgbaBlockPool : public C2BlockPool { 34 public: 35 explicit C2IgbaBlockPool( 36 const std::shared_ptr<C2Allocator> &allocator, 37 const std::shared_ptr<::aidl::android::hardware::media::c2::IGraphicBufferAllocator> 38 &igba, 39 ::android::base::unique_fd &&ufd, 40 const local_id_t localId); 41 42 virtual ~C2IgbaBlockPool() = default; 43 getAllocatorId()44 virtual C2Allocator::id_t getAllocatorId() const override { 45 return mAllocator->getId(); 46 } 47 getLocalId()48 virtual local_id_t getLocalId() const override { 49 return mLocalId; 50 } 51 52 /* Note: this is blocking due to H/W fence waiting */ 53 virtual c2_status_t fetchGraphicBlock( 54 uint32_t width, 55 uint32_t height, 56 uint32_t format, 57 C2MemoryUsage usage, 58 std::shared_ptr<C2GraphicBlock> *block /* nonnull */) override; 59 60 virtual c2_status_t fetchGraphicBlock( 61 uint32_t width, 62 uint32_t height, 63 uint32_t format, 64 C2MemoryUsage usage, 65 std::shared_ptr<C2GraphicBlock> *block /* nonnull */, 66 C2Fence *fence /* nonnull */) override; 67 68 // Do we need this? 69 void invalidate(); 70 71 private: 72 c2_status_t _fetchGraphicBlock( 73 uint32_t width, 74 uint32_t height, 75 uint32_t format, 76 C2MemoryUsage usage, 77 c2_nsecs_t timeoutNs, 78 uint64_t *origId /* nonnull */, 79 std::shared_ptr<C2GraphicBlock> *block /* nonnull */, 80 C2Fence *fence /* nonnull */); 81 82 const std::shared_ptr<C2Allocator> mAllocator; 83 const std::shared_ptr<::aidl::android::hardware::media::c2::IGraphicBufferAllocator> mIgba; 84 const local_id_t mLocalId; 85 std::atomic<bool> mValid; 86 C2Fence mWaitFence; 87 }; 88 89 typedef struct AHardwareBuffer AHardwareBuffer; 90 91 struct C2IgbaBlockPoolData : public _C2BlockPoolData { 92 93 C2IgbaBlockPoolData( 94 const AHardwareBuffer *buffer, 95 std::shared_ptr<::aidl::android::hardware::media::c2::IGraphicBufferAllocator> &igba); 96 97 virtual ~C2IgbaBlockPoolData() override; 98 99 virtual type_t getType() const override; 100 101 private: 102 friend struct _C2BlockFactory; 103 104 void getAHardwareBuffer(AHardwareBuffer **pBuf) const; 105 106 void disown(); 107 108 void registerIgba(std::shared_ptr< 109 ::aidl::android::hardware::media::c2::IGraphicBufferAllocator> &igba); 110 111 bool mOwned; 112 const AHardwareBuffer *mBuffer; 113 std::weak_ptr<::aidl::android::hardware::media::c2::IGraphicBufferAllocator> mIgba; 114 }; 115