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98 lines
2.5 KiB
98 lines
2.5 KiB
/*
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* Copyright 2021 Rockchip Electronics Co. LTD
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* author: zj@rock-chips.com
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*/
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#ifndef __RK_EXIF_H__
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#define __RK_EXIF_H__
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typedef struct {
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uint32_t num;
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uint32_t denom;
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} rat_t;
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typedef struct {
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/* GPS IFD */
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/*'N\0' 'S\0 */
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char GPSLatitudeRef[2];
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rat_t GPSLatitude[3];
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/* 'E\0' 'W\0' */
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char GPSLongitudeRef[2];
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rat_t GPSLongitude[3];
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char GPSAltitudeRef;
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rat_t GPSAltitude;
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rat_t GpsTimeStamp[3];
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/* "YYYY:MM:DD\0" */
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char GpsDateStamp[11];
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/* [101] */
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char *GPSProcessingMethod;
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/* length of GpsProcessingMethod */
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int GpsProcessingMethodchars;
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} RkGPSInfo;
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typedef struct {
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/* 1. IFD0 */
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/* manufacturer of digicam */
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char *maker;
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/* length of maker, equal to (strlen(maker) + 1) */
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int makerchars;
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/* model number of digicam */
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char *modelstr;
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/* length of modelstr, equal to (strlen(modelstr) + 1) */
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int modelchars;
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int Orientation;
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/* 20 chars-> yyyy:MM:dd0x20hh:mm:ss'\0' */
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char DateTime[20];
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/* 2. Exif SubIFD */
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/* ExposureTime - 1 / 400 = 0.0025s */
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rat_t ExposureTime;
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/* actual f-number */
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rat_t ApertureFNumber;
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/* CCD sensitivity equivalent to Ag-Hr film speedrate */
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int ISOSpeedRatings;
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rat_t CompressedBitsPerPixel;
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rat_t ShutterSpeedValue;
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rat_t ApertureValue;
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rat_t ExposureBiasValue;
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rat_t MaxApertureValue;
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int MeteringMode;
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int Flash;
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rat_t FocalLength;
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rat_t FocalPlaneXResolution;
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rat_t FocalPlaneYResolution;
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int SensingMethod;
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int FileSource;
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int CustomRendered;
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int ExposureMode;
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int WhiteBalance;
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rat_t DigitalZoomRatio;
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int SceneCaptureType;
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/* the internal data of maker */
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char *makernote;
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/* length of makernote, equal to (strlen(makernote) + 1) */
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int makernotechars;
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char subsec_time[8];
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int InputWidth;
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int InputHeight;
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RkGPSInfo *gpsInfo;
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} RkExifInfo;
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#endif // __RK_EXIF_H__
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