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/*
* Copyright (C) 2022 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 HISTOGRAM_H_
#define HISTOGRAM_H_
typedef enum {
HISTOGRAM_CONTROL_INVALID = 0,
HISTOGRAM_CONTROL_REQUEST = 1,
HISTOGRAM_CONTROL_CANCEL = 2,
} hidl_histogram_control_t;
namespace gs101 {
class HistogramInfo {
public:
enum Histogram_Type { HISTOGRAM_SAMPLING, HISTOGRAM_HIDL, HISTOGRAM_TYPE_NUM };
/// Histogram ROI information, same definition as in uapi
struct HistogramROI {
uint16_t start_x;
uint16_t start_y;
uint16_t hsize;
uint16_t vsize;
};
/// Histogram Weights information, same definition as in uapi
struct HistogramWeights {
uint16_t weight_r;
uint16_t weight_g;
uint16_t weight_b;
};
void setHistogramROI(uint16_t x, uint16_t y, uint16_t h, uint16_t v) {
mHistogramROI.start_x = x;
mHistogramROI.start_y = y;
mHistogramROI.hsize = h;
mHistogramROI.vsize = v;
};
const struct HistogramROI& getHistogramROI() { return mHistogramROI; }
void setHistogramWeights(uint16_t r, uint16_t g, uint16_t b) {
mHistogramWeights.weight_r = r;
mHistogramWeights.weight_g = g;
mHistogramWeights.weight_b = b;
};
const struct HistogramWeights& getHistogramWeights() { return mHistogramWeights; }
void setHistogramThreshold(uint32_t t) { mHistogramThreshold = t; }
uint32_t getHistogramThreshold() { return mHistogramThreshold; }
Histogram_Type getHistogramType() { return mHistogramType; }
HistogramInfo(Histogram_Type type) { mHistogramType = type; }
virtual ~HistogramInfo() {}
private:
Histogram_Type mHistogramType = HISTOGRAM_TYPE_NUM;
struct HistogramROI mHistogramROI;
struct HistogramWeights mHistogramWeights;
uint32_t mHistogramThreshold = 0;
};
class SamplingHistogram : public HistogramInfo {
public:
SamplingHistogram() : HistogramInfo(HISTOGRAM_SAMPLING) {}
virtual ~SamplingHistogram() {}
};
class HIDLHistogram : public HistogramInfo {
public:
HIDLHistogram() : HistogramInfo(HISTOGRAM_HIDL) {}
virtual ~HIDLHistogram() {}
virtual void CallbackHistogram(void* bin) = 0;
};
} // namespace gs101
#endif // HISTOGRAM_H_
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