1 /* 2 * Copyright (c) 2020-2021 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 RECORDER_VIDEO_SOURCE_H 17 #define RECORDER_VIDEO_SOURCE_H 18 19 #include "recorder_source.h" 20 #include <memory> 21 #include <map> 22 #include <string> 23 #include <thread> 24 #include <mutex> 25 #include <vector> 26 #include <condition_variable> 27 #include "format.h" 28 #include "media_errors.h" 29 #include "media_info.h" 30 #include "surface.h" 31 32 namespace OHOS { 33 namespace Media { 34 using OHOS::Surface; 35 using OHOS::SurfaceBuffer; 36 using OHOS::IBufferConsumerListener; 37 38 class RecorderVideoSource : public RecorderSource, public IBufferConsumerListener { 39 public: 40 41 RecorderVideoSource(); 42 ~RecorderVideoSource() override; 43 44 std::shared_ptr<OHOS::Surface> GetSurface(); 45 46 int32_t SetSurfaceSize(int32_t width, int32_t height); 47 48 int32_t Start() override; 49 50 int32_t AcquireBuffer(RecorderSourceBuffer &buffer, bool isBlocking) override; 51 52 int32_t ReleaseBuffer(RecorderSourceBuffer &buffer) override; 53 54 int32_t Stop() override; 55 56 int32_t Resume() override; 57 58 int32_t Pause() override; 59 60 int32_t Release() override; 61 62 void OnBufferAvailable() override; 63 64 private: 65 std::shared_ptr<Surface> surface_; 66 std::mutex lock_; 67 std::condition_variable frameAvailableCondition_; 68 int32_t frameAvailableCount_; 69 std::vector<SurfaceBuffer*> acquiredBuffers; 70 SurfaceBuffer *acquireBuffer_; 71 bool started_; 72 }; 73 } // namespace Media 74 } // namespace OHOS 75 76 #endif // RECORDER_VIDEO_SOURCE_H 77