1 /* 2 * Copyright (C) 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 AVCODECLIST_ENGINE_GST_IMPL_H 17 #define AVCODECLIST_ENGINE_GST_IMPL_H 18 19 #include <mutex> 20 #include "nocopyable.h" 21 #include "i_avcodeclist_engine.h" 22 23 namespace OHOS { 24 namespace Media { 25 class __attribute__((visibility("default"))) AVCodecListEngineGstImpl : public IAVCodecListEngine, public NoCopyable { 26 public: 27 AVCodecListEngineGstImpl(); 28 ~AVCodecListEngineGstImpl(); 29 std::string FindVideoDecoder(const Format &format) override; 30 std::string FindVideoEncoder(const Format &format) override; 31 std::string FindAudioDecoder(const Format &format) override; 32 std::string FindAudioEncoder(const Format &format) override; 33 std::vector<CapabilityData> GetCodecCapabilityInfos() override; 34 35 private: 36 std::string FindTargetCodec(const Format &format, 37 const std::vector<CapabilityData> &capabilityDataArray, const AVCodecType &codecType); 38 bool IsSupportMimeType(const Format &format, const CapabilityData &data); 39 bool IsSupportBitrate(const Format &format, const CapabilityData &data); 40 bool IsSupportSize(const Format &format, const CapabilityData &data); 41 bool IsSupportPixelFormat(const Format &format, const CapabilityData &data); 42 bool IsSupportFrameRate(const Format &format, const CapabilityData &data); 43 bool IsSupportSampleRate(const Format &format, const CapabilityData &data); 44 bool IsSupportChannel(const Format &format, const CapabilityData &data); 45 std::mutex mutex_; 46 }; 47 } // namespace Media 48 } // namespace OHOS 49 #endif // AVCODECLIST_ENGINE_GST_IMPL_H 50