1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SIMPLE_FILTER_H_ 18 #define SIMPLE_FILTER_H_ 19 20 #include <stdint.h> 21 #include <utils/Errors.h> 22 #include <utils/RefBase.h> 23 24 struct ABuffer; 25 struct AMessage; 26 27 namespace android { 28 29 struct SimpleFilter : public RefBase { 30 public: 31 SimpleFilter() : mWidth(0), mHeight(0), mStride(0), mSliceHeight(0), 32 mColorFormatIn(0), mColorFormatOut(0) {}; 33 34 virtual status_t configure(const sp<AMessage> &msg); 35 36 virtual status_t start() = 0; 37 virtual void reset() = 0; 38 virtual status_t setParameters(const sp<AMessage> &msg) = 0; 39 virtual status_t processBuffers( 40 const sp<ABuffer> &srcBuffer, const sp<ABuffer> &outBuffer) = 0; 41 42 protected: 43 int32_t mWidth, mHeight; 44 int32_t mStride, mSliceHeight; 45 int32_t mColorFormatIn, mColorFormatOut; 46 47 virtual ~SimpleFilter() {}; 48 }; 49 50 } // namespace android 51 52 #endif // SIMPLE_FILTER_H_ 53
