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
24struct ABuffer;
25struct AMessage;
26
27namespace android {
28
29struct SimpleFilter : public RefBase {
30public:
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
42protected:
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