1 /* 2 * Copyright (C) 2024 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 #pragma once 18 19 #include <media/stagefright/bqhelper/GraphicBufferSource.h> 20 #include <media/stagefright/foundation/ABase.h> 21 22 #include <media/stagefright/aidlpersistentsurface/IAidlNodeWrapper.h> 23 24 #include <utils/Errors.h> 25 26 #include <aidl/android/media/BnAidlBufferSource.h> 27 28 namespace android::media { 29 30 /* 31 * This class is used to feed codec encoders from a Surface via BufferQueue or 32 * HW producer using AIDL binder interfaces. 33 * 34 * See media/stagefright/bqhelper/GraphicBufferSource.h for documentation. 35 */ 36 class AidlGraphicBufferSource : public GraphicBufferSource { 37 public: 38 AidlGraphicBufferSource() = default; 39 virtual ~AidlGraphicBufferSource() = default; 40 41 // For IAidlBufferSource interface 42 // ------------------------------ 43 44 // When we can start handling buffers. If we already have buffers of data 45 // sitting in the BufferQueue, this will send them to the codec. 46 ::ndk::ScopedAStatus onStart(); 47 48 // When the codec is meant to return all buffers back to the client for 49 // them to be freed. Do NOT submit any more buffers to the component. 50 ::ndk::ScopedAStatus onStop(); 51 52 // When we are shutting down. 53 ::ndk::ScopedAStatus onRelease(); 54 55 // Rest of the interface in GraphicBufferSource. 56 57 // IAidlGraphicBufferSource interface 58 // ------------------------------ 59 60 // Configure the buffer source to be used with a codec2 aidl node given 61 // parameters. 62 status_t configure( 63 const sp<IAidlNodeWrapper> &aidlNode, 64 int32_t dataSpace, 65 int32_t bufferCount, 66 uint32_t frameWidth, 67 uint32_t frameHeight, 68 uint64_t consumerUsage); 69 70 // Rest of the interface in GraphicBufferSource. 71 72 private: 73 DISALLOW_EVIL_CONSTRUCTORS(AidlGraphicBufferSource); 74 }; 75 76 } // namespace android::media 77