1 /* 2 * Copyright (c) 2022-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HISTREAMER_PIPELINE_FILTER_ASYNC_MODE_H 17 #define HISTREAMER_PIPELINE_FILTER_ASYNC_MODE_H 18 19 #include "codec_mode.h" 20 #include "foundation/osal/thread/task.h" 21 #include "utils/blocking_queue.h" 22 23 namespace OHOS { 24 namespace Media { 25 namespace Pipeline { 26 class AsyncMode : public CodecMode { 27 public: 28 explicit AsyncMode(std::string name); 29 ~AsyncMode() override; 30 31 ErrorCode Configure() override; 32 33 ErrorCode PushData(const std::string &inPort, const AVBufferPtr& buffer, int64_t offset) override; 34 35 ErrorCode Stop() override; 36 37 void FlushStart() override; 38 39 void FlushEnd() override; 40 41 void OnOutputBufferDone(const std::shared_ptr<Plugin::Buffer>& buffer) override; 42 43 ErrorCode Prepare() override; 44 45 ErrorCode Release() override; 46 47 protected: 48 ErrorCode HandleFrame(); 49 50 ErrorCode FinishFrame(); 51 52 ErrorCode QueueAllBufferInPoolToPluginLocked(); 53 54 ErrorCode CheckBufferValidity(std::shared_ptr<AVBuffer>& buffer); 55 56 private: 57 // dequeue from es bufferQ then enqueue to plugin 58 std::shared_ptr<OHOS::Media::OSAL::Task> handleFrameTask_ {}; 59 60 // this task will dequeue from the plugin and then push to downstream 61 std::shared_ptr<OHOS::Media::OSAL::Task> pushTask_ {nullptr}; 62 63 std::shared_ptr<OHOS::Media::BlockingQueue<OHOS::Media::AVBufferPtr>> inBufQue_ {nullptr}; 64 std::queue<AVBufferPtr> outBufQue_; // PCM data 65 mutable OSAL::Mutex renderMutex_ {}; 66 bool stopped_ {false}; 67 }; 68 } // namespace Pipeline 69 } // namespace Media 70 } // namespace OHOS 71 #endif // HISTREAMER_PIPELINE_FILTER_ASYNC_MODE_H 72