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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SIMPLE_FILTER_H_
#define SIMPLE_FILTER_H_
#include <stdint.h>
#include <utils/Errors.h>
#include <utils/RefBase.h>
struct ABuffer;
struct AMessage;
namespace android {
struct SimpleFilter : public RefBase {
public:
SimpleFilter() : mWidth(0), mHeight(0), mStride(0), mSliceHeight(0),
mColorFormatIn(0), mColorFormatOut(0) {};
virtual status_t configure(
int32_t srcWidth, int32_t srcHeight,
int32_t srcStride, int32_t srcSliceHeight,
int32_t srcColorFormat) {
mWidth = srcWidth;
mHeight = srcHeight;
mStride = srcStride;
mSliceHeight = srcSliceHeight;
mColorFormatIn = srcColorFormat;
mColorFormatOut = mColorFormatIn;
return OK;
}
virtual status_t start() = 0;
virtual void reset() = 0;
virtual status_t setParameters(const sp<AMessage> &msg) = 0;
virtual status_t processBuffers(
const sp<ABuffer> &srcBuffer, const sp<ABuffer> &outBuffer) = 0;
protected:
int32_t mWidth, mHeight;
int32_t mStride, mSliceHeight;
int32_t mColorFormatIn, mColorFormatOut;
virtual ~SimpleFilter() {};
};
} // namespace android
#endif // SIMPLE_FILTER_H_
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