media/libstagefright/filters/SaturationFilter.h

/*
 * 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 SATURATION_FILTER_H_
#define SATURATION_FILTER_H_

#include <RenderScript.h>

#include "ScriptC_saturationARGB.h"
#include "SimpleFilter.h"

namespace android {

struct SaturationFilter : public SimpleFilter {
public:
    SaturationFilter() : mSaturation(1.f) {};

    virtual status_t configure(const sp<AMessage> &msg);
    virtual status_t start();
    virtual void reset();
    virtual status_t setParameters(const sp<AMessage> &msg);
    virtual status_t processBuffers(
            const sp<MediaCodecBuffer> &srcBuffer, const sp<MediaCodecBuffer> &outBuffer);

protected:
    virtual ~SaturationFilter() {};

private:
    AString mCacheDir;
    RSC::sp<RSC::RS> mRS;
    RSC::sp<RSC::Allocation> mAllocIn;
    RSC::sp<RSC::Allocation> mAllocOut;
    RSC::sp<ScriptC_saturationARGB> mScript;
    float mSaturation;
};

}   // namespace android

#endif  // SATURATION_FILTER_H_