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 #ifndef AIHDR_ENHANCER_VIDEO_COMMON_H 16 #define AIHDR_ENHANCER_VIDEO_COMMON_H 17 namespace OHOS { 18 namespace Media { 19 namespace VideoProcessingEngine { 20 enum AihdrEnhancerBufferFlag : uint32_t { 21 AIHDR_ENHANCER_BUFFER_FLAG_NONE = 0, 22 /* This signals the end of stream */ 23 AIHDR_ENHANCER_BUFFER_FLAG_EOS = 1 << 0, 24 }; 25 26 class __attribute__((visibility("default"))) AihdrEnhancerVideoCallback { 27 public: 28 virtual ~AihdrEnhancerVideoCallback() = default; 29 /* * 30 * Called when an error occurred. 31 * 32 * @param errorCode Error code. 33 * @since 5.0 34 */ 35 virtual void OnError(int32_t errorCode) = 0; 36 37 /* * 38 * Called when an state changed. 39 * 40 * @param state current state. 41 * @since 5.0 42 */ 43 virtual void OnState(int32_t state) = 0; 44 45 /* * 46 * Called when an output buffer becomes available. 47 * 48 * @param index The index of the available output buffer. 49 * @since 5.0 50 */ 51 virtual void OnOutputBufferAvailable(uint32_t index, AihdrEnhancerBufferFlag flag) = 0; 52 }; 53 } // namespace VideoProcessingEngine 54 } // namespace Media 55 } // namespace OHOS 56 #endif // AIHDR_ENHANCER_VIDEO_COMMON_H 57