include/camera/camera2/OutputConfiguration.h

/*
 * Copyright (C) 2015 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 ANDROID_HARDWARE_CAMERA2_OUTPUTCONFIGURATION_H
#define ANDROID_HARDWARE_CAMERA2_OUTPUTCONFIGURATION_H

#include <gui/IGraphicBufferProducer.h>

namespace android {

class Surface;

class OutputConfiguration {
public:

    static const int INVALID_ROTATION;
    static const int INVALID_SET_ID;
    sp<IGraphicBufferProducer> getGraphicBufferProducer() const;
    int                        getRotation() const;
    int                        getSurfaceSetID() const;

    /**
     * Keep impl up-to-date with OutputConfiguration.java in frameworks/base
     */
    status_t                   writeToParcel(Parcel& parcel) const;
    // getGraphicBufferProducer will be NULL if error occurred
    // getRotation will be INVALID_ROTATION if error occurred
    OutputConfiguration(const Parcel& parcel);

    OutputConfiguration(sp<IGraphicBufferProducer>& gbp, int rotation,
            int surfaceSetID = INVALID_SET_ID);

    bool operator == (const OutputConfiguration& other) const {
        return (mGbp == other.mGbp &&
                mRotation == other.mRotation);
    }
    bool operator != (const OutputConfiguration& other) const {
        return !(*this == other);
    }
    bool operator < (const OutputConfiguration& other) const {
        if (*this == other) return false;
        if (mGbp != other.mGbp) return mGbp < other.mGbp;
        return mRotation < other.mRotation;
    }
    bool operator > (const OutputConfiguration& other) const {
        return (*this != other && !(*this < other));
    }

private:
    sp<IGraphicBufferProducer> mGbp;
    int                        mRotation;
    int                        mSurfaceSetID;
    // helper function
    static String16 readMaybeEmptyString16(const Parcel& parcel);
};
}; // namespace android

#endif