1 /* 2 * Copyright (C) 2016 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 17 #ifndef STAGEFRIGHT_CODEC2_BUFFER_PRIV_H_ 18 #define STAGEFRIGHT_CODEC2_BUFFER_PRIV_H_ 19 20 #include <functional> 21 22 #include <C2Buffer.h> 23 #include <android/hardware/media/bufferpool/2.0/IAccessor.h> 24 25 class C2BasicLinearBlockPool : public C2BlockPool { 26 public: 27 explicit C2BasicLinearBlockPool(const std::shared_ptr<C2Allocator> &allocator); 28 29 virtual ~C2BasicLinearBlockPool() override = default; 30 getAllocatorId()31 virtual C2Allocator::id_t getAllocatorId() const override { 32 return mAllocator->getId(); 33 } 34 getLocalId()35 virtual local_id_t getLocalId() const override { 36 return BASIC_LINEAR; 37 } 38 39 virtual c2_status_t fetchLinearBlock( 40 uint32_t capacity, 41 C2MemoryUsage usage, 42 std::shared_ptr<C2LinearBlock> *block /* nonnull */) override; 43 44 // TODO: fetchCircularBlock 45 46 private: 47 const std::shared_ptr<C2Allocator> mAllocator; 48 }; 49 50 class C2BasicGraphicBlockPool : public C2BlockPool { 51 public: 52 explicit C2BasicGraphicBlockPool(const std::shared_ptr<C2Allocator> &allocator); 53 54 virtual ~C2BasicGraphicBlockPool() override = default; 55 getAllocatorId()56 virtual C2Allocator::id_t getAllocatorId() const override { 57 return mAllocator->getId(); 58 } 59 getLocalId()60 virtual local_id_t getLocalId() const override { 61 return BASIC_GRAPHIC; 62 } 63 64 virtual c2_status_t fetchGraphicBlock( 65 uint32_t width, 66 uint32_t height, 67 uint32_t format, 68 C2MemoryUsage usage, 69 std::shared_ptr<C2GraphicBlock> *block /* nonnull */) override; 70 71 private: 72 const std::shared_ptr<C2Allocator> mAllocator; 73 }; 74 75 class C2PooledBlockPool : public C2BlockPool { 76 public: 77 C2PooledBlockPool(const std::shared_ptr<C2Allocator> &allocator, const local_id_t localId); 78 79 virtual ~C2PooledBlockPool() override; 80 getAllocatorId()81 virtual C2Allocator::id_t getAllocatorId() const override { 82 return mAllocator->getId(); 83 } 84 getLocalId()85 virtual local_id_t getLocalId() const override { 86 return mLocalId; 87 } 88 89 virtual c2_status_t fetchLinearBlock( 90 uint32_t capacity, 91 C2MemoryUsage usage, 92 std::shared_ptr<C2LinearBlock> *block /* nonnull */) override; 93 94 virtual c2_status_t fetchGraphicBlock( 95 uint32_t width, 96 uint32_t height, 97 uint32_t format, 98 C2MemoryUsage usage, 99 std::shared_ptr<C2GraphicBlock> *block) override; 100 101 /** 102 * Retrieves the connection Id for underlying bufferpool 103 */ 104 int64_t getConnectionId(); 105 106 /** 107 * Retrieves the accessor which is used by underlying bufferpool. (It can be 108 * passed to receiving process.) 109 * 110 * \param accessor IAccessor will be written to this out parameter. 111 * 112 * \return true IAcessor is writen successfully. 113 * \return false IAccessor is not written. 114 */ 115 bool getAccessor(android::sp<android::hardware::media::bufferpool::V2_0::IAccessor> *accessor); 116 117 private: 118 const std::shared_ptr<C2Allocator> mAllocator; 119 const local_id_t mLocalId; 120 121 class Impl; 122 std::unique_ptr<Impl> mImpl; 123 }; 124 125 #endif // STAGEFRIGHT_CODEC2_BUFFER_PRIV_H_ 126