1 /* 2 * Copyright (C) 2023 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 CODEC_LISTENER_STUB_H 17 #define CODEC_LISTENER_STUB_H 18 19 #include <atomic> 20 #include <condition_variable> 21 #include <mutex> 22 #include "i_standard_codec_listener.h" 23 #include "avcodec_common.h" 24 25 namespace OHOS { 26 namespace MediaAVCodec { 27 class CodecListenerStub : public IRemoteStub<IStandardCodecListener> { 28 public: 29 CodecListenerStub(); 30 virtual ~CodecListenerStub(); 31 int OnRemoteRequest(uint32_t code, MessageParcel &data, MessageParcel &reply, MessageOption &option) override; 32 void OnError(AVCodecErrorType errorType, int32_t errorCode) override; 33 void OnOutputFormatChanged(const Format &format) override; 34 void OnInputBufferAvailable(uint32_t index, std::shared_ptr<AVSharedMemory> buffer) override; 35 void OnOutputBufferAvailable(uint32_t index, AVCodecBufferInfo info, AVCodecBufferFlag flag, 36 std::shared_ptr<AVSharedMemory> buffer) override; 37 void SetCallback(const std::shared_ptr<AVCodecCallback> &callback); 38 void WaitCallbackDone(); 39 40 private: 41 bool CheckGeneration(uint64_t messageGeneration) const; 42 void Finalize(); 43 44 class CodecBufferCache; 45 std::unique_ptr<CodecBufferCache> inputBufferCache_; 46 std::unique_ptr<CodecBufferCache> outputBufferCache_; 47 std::weak_ptr<AVCodecCallback> callback_; 48 std::atomic<bool> callbackIsDoing_ { false }; 49 std::mutex syncMutex_; 50 std::condition_variable syncCv_; 51 }; 52 } // namespace MediaAVCodec 53 } // namespace OHOS 54 #endif // CODEC_LISTENER_STUB_H 55