You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
2.1 KiB
71 lines
2.1 KiB
/*
|
|
* Copyright (C) 2020 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_SERVERS_ROTATEANDCROPMAPPER_H
|
|
#define ANDROID_SERVERS_ROTATEANDCROPMAPPER_H
|
|
|
|
#include <utils/Errors.h>
|
|
#include <array>
|
|
#include <mutex>
|
|
|
|
#include "camera/CameraMetadata.h"
|
|
#include "device3/CoordinateMapper.h"
|
|
|
|
namespace android {
|
|
|
|
namespace camera3 {
|
|
|
|
/**
|
|
* Utilities to transform between unrotated and rotated-and-cropped coordinate systems
|
|
* for cameras that support SCALER_ROTATE_AND_CROP controls in AUTO mode.
|
|
*/
|
|
class RotateAndCropMapper : public CoordinateMapper {
|
|
public:
|
|
static bool isNeeded(const CameraMetadata* deviceInfo);
|
|
|
|
RotateAndCropMapper(const CameraMetadata* deviceInfo);
|
|
|
|
void initRemappedKeys() override;
|
|
|
|
/**
|
|
* Adjust capture request assuming rotate and crop AUTO is enabled
|
|
*/
|
|
status_t updateCaptureRequest(CameraMetadata *request);
|
|
|
|
/**
|
|
* Adjust capture result assuming rotate and crop AUTO is enabled
|
|
*/
|
|
status_t updateCaptureResult(CameraMetadata *result);
|
|
|
|
private:
|
|
// Transform count's worth of x,y points passed in with 2x2 matrix + translate with transform
|
|
// origin (cx,cy)
|
|
void transformPoints(int32_t* pts, size_t count, float transformMat[4],
|
|
float xShift, float yShift, float cx, float cy);
|
|
// Take two corners of a rect as (x1,y1,x2,y2) and swap x and y components
|
|
// if needed so that x1 < x2, y1 < y2.
|
|
void swapRectToMinFirst(int32_t* rect);
|
|
|
|
int32_t mArrayWidth, mArrayHeight;
|
|
float mArrayAspect, mRotateAspect;
|
|
}; // class RotateAndCroMapper
|
|
|
|
} // namespace camera3
|
|
|
|
} // namespace android
|
|
|
|
#endif
|