ffmpeg-2.8.5
git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
170
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/exif.h
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170
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/exif.h
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/*
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* EXIF metadata parser
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* Copyright (c) 2013 Thilo Borgmann <thilo.borgmann _at_ mail.de>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* EXIF metadata parser
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* @author Thilo Borgmann <thilo.borgmann _at_ mail.de>
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*/
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#ifndef AVCODEC_EXIF_H
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#define AVCODEC_EXIF_H
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#include "avcodec.h"
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#include "bytestream.h"
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#include "tiff.h"
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#define EXIF_MAX_IFD_RECURSION 2
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#define EXIF_TAG_NAME_LENGTH 32
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struct exif_tag {
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char name[EXIF_TAG_NAME_LENGTH];
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uint16_t id;
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};
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static const struct exif_tag tag_list[] = { // JEITA CP-3451 EXIF specification:
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{"GPSVersionID", 0x00}, // <- Table 12 GPS Attribute Information
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{"GPSLatitudeRef", 0x01},
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{"GPSLatitude", 0x02},
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{"GPSLongitudeRef", 0x03},
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{"GPSLongitude", 0x04},
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{"GPSAltitudeRef", 0x05},
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{"GPSAltitude", 0x06},
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{"GPSTimeStamp", 0x07},
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{"GPSSatellites", 0x08},
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{"GPSStatus", 0x09},
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{"GPSMeasureMode", 0x0A},
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{"GPSDOP", 0x0B},
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{"GPSSpeedRef", 0x0C},
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{"GPSSpeed", 0x0D},
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{"GPSTrackRef", 0x0E},
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{"GPSTrack", 0x0F},
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{"GPSImgDirectionRef", 0x10},
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{"GPSImgDirection", 0x11},
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{"GPSMapDatum", 0x12},
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{"GPSDestLatitudeRef", 0x13},
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{"GPSDestLatitude", 0x14},
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{"GPSDestLongitudeRef", 0x15},
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{"GPSDestLongitude", 0x16},
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{"GPSDestBearingRef", 0x17},
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{"GPSDestBearing", 0x18},
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{"GPSDestDistanceRef", 0x19},
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{"GPSDestDistance", 0x1A},
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{"GPSProcessingMethod", 0x1B},
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{"GPSAreaInformation", 0x1C},
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{"GPSDateStamp", 0x1D},
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{"GPSDifferential", 0x1E},
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{"ImageWidth", 0x100}, // <- Table 3 TIFF Rev. 6.0 Attribute Information Used in Exif
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{"ImageLength", 0x101},
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{"BitsPerSample", 0x102},
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{"Compression", 0x103},
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{"PhotometricInterpretation", 0x106},
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{"Orientation", 0x112},
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{"SamplesPerPixel", 0x115},
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{"PlanarConfiguration", 0x11C},
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{"YCbCrSubSampling", 0x212},
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{"YCbCrPositioning", 0x213},
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{"XResolution", 0x11A},
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{"YResolution", 0x11B},
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{"ResolutionUnit", 0x128},
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{"StripOffsets", 0x111},
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{"RowsPerStrip", 0x116},
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{"StripByteCounts", 0x117},
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{"JPEGInterchangeFormat", 0x201},
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{"JPEGInterchangeFormatLength",0x202},
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{"TransferFunction", 0x12D},
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{"WhitePoint", 0x13E},
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{"PrimaryChromaticities", 0x13F},
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{"YCbCrCoefficients", 0x211},
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{"ReferenceBlackWhite", 0x214},
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{"DateTime", 0x132},
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{"ImageDescription", 0x10E},
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{"Make", 0x10F},
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{"Model", 0x110},
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{"Software", 0x131},
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{"Artist", 0x13B},
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{"Copyright", 0x8298},
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{"ExifVersion", 0x9000}, // <- Table 4 Exif IFD Attribute Information (1)
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{"FlashpixVersion", 0xA000},
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{"ColorSpace", 0xA001},
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{"ComponentsConfiguration", 0x9101},
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{"CompressedBitsPerPixel", 0x9102},
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{"PixelXDimension", 0xA002},
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{"PixelYDimension", 0xA003},
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{"MakerNote", 0x927C},
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{"UserComment", 0x9286},
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{"RelatedSoundFile", 0xA004},
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{"DateTimeOriginal", 0x9003},
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{"DateTimeDigitized", 0x9004},
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{"SubSecTime", 0x9290},
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{"SubSecTimeOriginal", 0x9291},
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{"SubSecTimeDigitized", 0x9292},
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{"ImageUniqueID", 0xA420},
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{"ExposureTime", 0x829A}, // <- Table 5 Exif IFD Attribute Information (2)
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{"FNumber", 0x829D},
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{"ExposureProgram", 0x8822},
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{"SpectralSensitivity", 0x8824},
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{"ISOSpeedRatings", 0x8827},
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{"OECF", 0x8828},
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{"ShutterSpeedValue", 0x9201},
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{"ApertureValue", 0x9202},
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{"BrightnessValue", 0x9203},
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{"ExposureBiasValue", 0x9204},
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{"MaxApertureValue", 0x9205},
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{"SubjectDistance", 0x9206},
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{"MeteringMode", 0x9207},
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{"LightSource", 0x9208},
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{"Flash", 0x9209},
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{"FocalLength", 0x920A},
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{"SubjectArea", 0x9214},
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{"FlashEnergy", 0xA20B},
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{"SpatialFrequencyResponse", 0xA20C},
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{"FocalPlaneXResolution", 0xA20E},
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{"FocalPlaneYResolution", 0xA20F},
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{"FocalPlaneResolutionUnit", 0xA210},
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{"SubjectLocation", 0xA214},
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{"ExposureIndex", 0xA215},
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{"SensingMethod", 0xA217},
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{"FileSource", 0xA300},
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{"SceneType", 0xA301},
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{"CFAPattern", 0xA302},
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{"CustomRendered", 0xA401},
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{"ExposureMode", 0xA402},
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{"WhiteBalance", 0xA403},
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{"DigitalZoomRatio", 0xA404},
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{"FocalLengthIn35mmFilm", 0xA405},
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{"SceneCaptureType", 0xA406},
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{"GainControl", 0xA407},
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{"Contrast", 0xA408},
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{"Saturation", 0xA409},
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{"Sharpness", 0xA40A},
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{"DeviceSettingDescription", 0xA40B},
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{"SubjectDistanceRange", 0xA40C}
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// {"InteroperabilityIndex", 0x1}, // <- Table 13 Interoperability IFD Attribute Information
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// {"", 0x0}
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};
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/** Recursively decodes all IFD's and
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* adds included TAGS into the metadata dictionary. */
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int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
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int depth, AVDictionary **metadata);
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#endif /* AVCODEC_EXIF_H */
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