1 /* 2 * Copyright (c) 2024 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 IE_PIPELINE_FILTERS_IMAGE_SOURCE_FILTER_H 17 #define IE_PIPELINE_FILTERS_IMAGE_SOURCE_FILTER_H 18 19 #include <string> 20 21 #include "filter_base.h" 22 23 namespace OHOS { 24 namespace Media { 25 namespace Effect { 26 class ImageSourceFilter : public FilterBase { 27 public: ImageSourceFilter(const std::string & name)28 explicit ImageSourceFilter(const std::string &name) : FilterBase(name) 29 { 30 filterType_ = FilterType::INPUT_SOURCE; 31 } 32 33 ~ImageSourceFilter() override = default; 34 35 virtual ErrorCode SetSource(const std::shared_ptr<EffectBuffer> &source, std::shared_ptr<EffectContext> &context); 36 SetParameter(int32_t key,const Media::Plugin::Any & value)37 ErrorCode SetParameter(int32_t key, const Media::Plugin::Any &value) override 38 { 39 return FilterBase::SetParameter(key, value); 40 } 41 GetParameter(int32_t key,Media::Plugin::Any & value)42 ErrorCode GetParameter(int32_t key, Media::Plugin::Any &value) override 43 { 44 return FilterBase::GetParameter(key, value); 45 } 46 47 ErrorCode Prepare() override; 48 49 ErrorCode Start() override; 50 51 void SetNegotiateParameter(uint32_t width, uint32_t height, IEffectFormat format, 52 std::shared_ptr<EffectContext> &context); 53 54 private: OnEvent(const Event & event)55 void OnEvent(const Event &event) override {} 56 ErrorCode DoNegotiate(); 57 58 std::shared_ptr<EffectBuffer> srcBuffer_; 59 60 std::shared_ptr<EffectContext> context_; 61 uint32_t width_; 62 uint32_t height_; 63 IEffectFormat format_; 64 }; 65 } // namespace Effect 66 } // namespace Media 67 } // namespace OHOS 68 #endif