1744f5739019d1fd917f981e740b353c3d73fd1a8David Smith/*
2744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * Copyright (C) 2014 The Android Open Source Project
3744f5739019d1fd917f981e740b353c3d73fd1a8David Smith *
4744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * Licensed under the Apache License, Version 2.0 (the "License");
5744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * you may not use this file except in compliance with the License.
6744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * You may obtain a copy of the License at
7744f5739019d1fd917f981e740b353c3d73fd1a8David Smith *
8744f5739019d1fd917f981e740b353c3d73fd1a8David Smith *      http://www.apache.org/licenses/LICENSE-2.0
9744f5739019d1fd917f981e740b353c3d73fd1a8David Smith *
10744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * Unless required by applicable law or agreed to in writing, software
11744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * distributed under the License is distributed on an "AS IS" BASIS,
12744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * See the License for the specific language governing permissions and
14744f5739019d1fd917f981e740b353c3d73fd1a8David Smith * limitations under the License.
15744f5739019d1fd917f981e740b353c3d73fd1a8David Smith */
16744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
17744f5739019d1fd917f981e740b353c3d73fd1a8David Smith#ifndef ZERO_FILTER_H_
18744f5739019d1fd917f981e740b353c3d73fd1a8David Smith#define ZERO_FILTER_H_
19744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
20744f5739019d1fd917f981e740b353c3d73fd1a8David Smith#include "SimpleFilter.h"
21744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
22744f5739019d1fd917f981e740b353c3d73fd1a8David Smithnamespace android {
23744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
24744f5739019d1fd917f981e740b353c3d73fd1a8David Smithstruct ZeroFilter : public SimpleFilter {
25744f5739019d1fd917f981e740b353c3d73fd1a8David Smithpublic:
26744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    ZeroFilter() : mInvertData(false) {};
27744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
28744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    virtual status_t start() { return OK; };
29744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    virtual void reset() {};
30744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    virtual status_t setParameters(const sp<AMessage> &msg);
31744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    virtual status_t processBuffers(
32744f5739019d1fd917f981e740b353c3d73fd1a8David Smith            const sp<ABuffer> &srcBuffer, const sp<ABuffer> &outBuffer);
33744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
34744f5739019d1fd917f981e740b353c3d73fd1a8David Smithprotected:
35744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    virtual ~ZeroFilter() {};
36744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
37744f5739019d1fd917f981e740b353c3d73fd1a8David Smithprivate:
38744f5739019d1fd917f981e740b353c3d73fd1a8David Smith    bool mInvertData;
39744f5739019d1fd917f981e740b353c3d73fd1a8David Smith};
40744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
41744f5739019d1fd917f981e740b353c3d73fd1a8David Smith}   // namespace android
42744f5739019d1fd917f981e740b353c3d73fd1a8David Smith
43744f5739019d1fd917f981e740b353c3d73fd1a8David Smith#endif  // ZERO_FILTER_H_
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