diff --git a/include/exiv2/image_types.hpp b/include/exiv2/image_types.hpp index 3c559a95..54237aec 100644 --- a/include/exiv2/image_types.hpp +++ b/include/exiv2/image_types.hpp @@ -34,6 +34,7 @@ enum class ImageType { tiff, webp, xmp, ///< XMP sidecar files + qtime, }; } // namespace Exiv2 diff --git a/include/exiv2/quicktimevideo.hpp b/include/exiv2/quicktimevideo.hpp new file mode 100644 index 00000000..5946dc5f --- /dev/null +++ b/include/exiv2/quicktimevideo.hpp @@ -0,0 +1,240 @@ +// ***************************************************************** -*- C++ -*- +/* + * Copyright (C) 2004-2021 Exiv2 authors + * This program is part of the Exiv2 distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA. + */ +#ifndef QUICKTIMEVIDEO_HPP +#define QUICKTIMEVIDEO_HPP + +// ***************************************************************************** +#include "exiv2lib_export.h" + +// included header files +#include "exif.hpp" +#include "image.hpp" + +// ***************************************************************************** +// namespace extensions +namespace Exiv2 { + +// ***************************************************************************** +// class definitions + + /*! + @brief Class to access QuickTime video files. + */ + class QuickTimeVideo:public Image + { + public: + //! @name Creators + //@{ + /*! + @brief Constructor for a QuickTime video. Since the constructor + can not return a result, callers should check the good() method + after object construction to determine success or failure. + @param io An auto-pointer that owns a BasicIo instance used for + reading and writing image metadata. \b Important: The constructor + takes ownership of the passed in BasicIo instance through the + auto-pointer. Callers should not continue to use the BasicIo + instance after it is passed to this method. Use the Image::io() + method to get a temporary reference. + */ + QuickTimeVideo(BasicIo::UniquePtr io); + //@} + + //! @name Manipulators + //@{ + void readMetadata(); + void writeMetadata(); + //@} + + //! @name Accessors + //@{ + std::string mimeType() const; + //@} + + protected: + /*! + @brief Check for a valid tag and decode the block at the current IO + position. Calls tagDecoder() or skips to next tag, if required. + */ + void decodeBlock(); + /*! + @brief Interpret tag information, and call the respective function + to save it in the respective XMP container. Decodes a Tag + Information and saves it in the respective XMP container, if + the block size is small. + @param buf Data buffer which cotains tag ID. + @param size Size of the data block used to store Tag Information. + */ + void tagDecoder(Exiv2::DataBuf & buf, unsigned long size); + + private: + /*! + @brief Interpret file type of the video, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void fileTypeDecoder(unsigned long size); + /*! + @brief Interpret Media Header Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void mediaHeaderDecoder(unsigned long size); + /*! + @brief Interpret Video Header Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void videoHeaderDecoder(unsigned long size); + /*! + @brief Interpret Movie Header Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void movieHeaderDecoder(unsigned long size); + /*! + @brief Interpret Track Header Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void trackHeaderDecoder(unsigned long size); + /*! + @brief Interpret Handler Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void handlerDecoder(unsigned long size); + /*! + @brief Interpret Tag which contain other sub-tags, + and save it in the respective XMP container. + */ + void multipleEntriesDecoder(); + /*! + @brief Interpret Sample Description Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void sampleDesc(unsigned long size); + /*! + @brief Interpret Image Description Tag, and save it + in the respective XMP container. + */ + void imageDescDecoder(); + /*! + @brief Interpret User Data Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void userDataDecoder(unsigned long size); + /*! + @brief Interpret Preview Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void previewTagDecoder(unsigned long size); + /*! + @brief Interpret Meta Keys Tags, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void keysTagDecoder(unsigned long size); + /*! + @brief Interpret Track Aperture Tags, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void trackApertureTagDecoder(unsigned long size); + /*! + @brief Interpret Nikon Tag, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void NikonTagsDecoder(unsigned long size); + /*! + @brief Interpret Tags from Different Camera make, and save it + in the respective XMP container. + @param size Size of the data block used to store Tag Information. + */ + void CameraTagsDecoder(unsigned long size); + /*! + @brief Interpret Audio Description Tag, and save it + in the respective XMP container. + */ + void audioDescDecoder(); + /*! + @brief Helps to calculate Frame Rate from timeToSample chunk, + and save it in the respective XMP container. + */ + void timeToSampleDecoder(); + /*! + @brief Recognizes which stream is currently under processing, + and save its information in currentStream_ . + */ + void setMediaStream(); + /*! + @brief Used to discard a tag along with its data. The Tag will + be skipped and not decoded. + @param size Size of the data block that is to skipped. + */ + void discard(unsigned long size); + /*! + @brief Calculates Aspect Ratio of a video, and stores it in the + respective XMP container. + */ + void aspectRatio(); + + private: + //! @name NOT Implemented + //@{ + //! Copy constructor + QuickTimeVideo(const QuickTimeVideo& rhs); + //! Assignment operator + QuickTimeVideo& operator=(const QuickTimeVideo& rhs); + //@} + + private: + //! Variable which stores Time Scale unit, used to calculate time. + uint64_t timeScale_; + //! Variable which stores current stream being processsed. + int currentStream_; + //! Variable to check the end of metadata traversing. + bool continueTraversing_; + //! Variable to store height and width of a video frame. + uint64_t height_, width_; + + }; //QuickTimeVideo End + +// ***************************************************************************** +// template, inline and free functions + + // These could be static private functions on Image subclasses but then + // ImageFactory needs to be made a friend. + /*! + @brief Create a new QuicktimeVideo instance and return an auto-pointer to it. + Caller owns the returned object and the auto-pointer ensures that + it will be deleted. + */ + Image::UniquePtr newQTimeInstance(BasicIo::UniquePtr io, bool create); + + //! Check if the file iIo is a Quick Time Video. + bool isQTimeType(BasicIo& iIo, bool advance); + +} // namespace Exiv2 + +#endif // QUICKTIMEVIDEO_HPP diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index f33145e5..39039f44 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -81,6 +81,7 @@ set(PUBLIC_HEADERS ../include/exiv2/webpimage.hpp ../include/exiv2/xmp_exiv2.hpp ../include/exiv2/xmpsidecar.hpp + ../include/exiv2/quicktimevideo.hpp ) add_library( exiv2lib @@ -123,6 +124,7 @@ add_library( exiv2lib webpimage.cpp xmp.cpp xmpsidecar.cpp + quicktimevideo.cpp ${PUBLIC_HEADERS} $ ) diff --git a/src/image.cpp b/src/image.cpp index e55ca42a..6784b89b 100644 --- a/src/image.cpp +++ b/src/image.cpp @@ -36,6 +36,7 @@ #include "tiffimage.hpp" #include "webpimage.hpp" #include "xmpsidecar.hpp" +#include "quicktimevideo.hpp" // + standard includes #include @@ -99,6 +100,7 @@ constexpr auto registry = std::array{ #ifdef EXV_ENABLE_BMFF Registry{ImageType::bmff, newBmffInstance, isBmffType, amRead, amRead, amRead, amNone}, #endif // EXV_ENABLE_BMFF + Registry{ ImageType::qtime,newQTimeInstance,isQTimeType,amRead,amNone, amRead, amNone}, }; std::string pathOfFileUrl(const std::string& url) { diff --git a/src/properties.cpp b/src/properties.cpp index 8acfdc3b..005e2aa8 100644 --- a/src/properties.cpp +++ b/src/properties.cpp @@ -4902,8 +4902,7 @@ const XmpPrintInfo xmpPrintInfo[] = { {"Xmp.plus.MinorModelAgeDisclosure", EXV_PRINT_VOCABULARY(plusMinorModelAgeDisclosure)}, {"Xmp.plus.ModelReleaseStatus", EXV_PRINT_VOCABULARY(plusModelReleaseStatus)}, {"Xmp.plus.PropertyReleaseStatus", EXV_PRINT_VOCABULARY(plusPropertyReleaseStatus)}, - {"Xmp.plus.Reuse", EXV_PRINT_VOCABULARY(plusReuse)}, -}; + {"Xmp.plus.Reuse", EXV_PRINT_VOCABULARY(plusReuse)}}; XmpNsInfo::Ns::Ns(std::string ns) : ns_(std::move(ns)) { } diff --git a/src/quicktimevideo.cpp b/src/quicktimevideo.cpp new file mode 100644 index 00000000..be96e253 --- /dev/null +++ b/src/quicktimevideo.cpp @@ -0,0 +1,1657 @@ +// ***************************************************************** -*- C++ -*- +/* + * Copyright (C) 2004-2021 Exiv2 authors + * This program is part of the Exiv2 distribution. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA. + */ +// ***************************************************************************** +// included header files +#include "config.h" + +#include "error.hpp" +#include "tags.hpp" +#include "tags_int.hpp" +#include "quicktimevideo.hpp" +#include "futils.hpp" +#include "basicio.hpp" +// + standard includes +#include +#include +// ***************************************************************************** +// class member definitions +namespace Exiv2 { + namespace Internal { + + extern const TagVocabulary qTimeFileType[] = { + { "3g2a", "3GPP2 Media (.3G2) compliant with 3GPP2 C.S0050-0 V1.0" }, + { "3g2b", "3GPP2 Media (.3G2) compliant with 3GPP2 C.S0050-A V1.0.0" }, + { "3g2c", "3GPP2 Media (.3G2) compliant with 3GPP2 C.S0050-B v1.0" }, + { "3ge6", "3GPP (.3GP) Release 6 MBMS Extended Presentations" }, + { "3ge7", "3GPP (.3GP) Release 7 MBMS Extended Presentations" }, + { "3gg6", "3GPP Release 6 General Profile" }, + { "3gp1", "3GPP Media (.3GP) Release 1 (probably non-existent)" }, + { "3gp2", "3GPP Media (.3GP) Release 2 (probably non-existent)" }, + { "3gp3", "3GPP Media (.3GP) Release 3 (probably non-existent)" }, + { "3gp4", "3GPP Media (.3GP) Release 4" }, + { "3gp5", "3GPP Media (.3GP) Release 5" }, + { "3gp6", "3GPP Media (.3GP) Release 6 Streaming Servers" }, + { "3gs7", "3GPP Media (.3GP) Release 7 Streaming Servers" }, + { "CAEP", "Canon Digital Camera" }, + { "CDes", "Convergent Design" }, + { "F4A ", "Audio for Adobe Flash Player 9+ (.F4A)" }, + { "F4B ", "Audio Book for Adobe Flash Player 9+ (.F4B)" }, + { "F4P ", "Protected Video for Adobe Flash Player 9+ (.F4P)" }, + { "F4V ", "Video for Adobe Flash Player 9+ (.F4V)" }, + { "JP2 ", "JPEG 2000 Image (.JP2) [ISO 15444-1 ?]" }, + { "JP20", "Unknown, from GPAC samples (prob non-existent)" }, + { "KDDI", "3GPP2 EZmovie for KDDI 3G cellphones" }, + { "M4A ", "Apple iTunes AAC-LC (.M4A) Audio" }, + { "M4B ", "Apple iTunes AAC-LC (.M4B) Audio Book" }, + { "M4P ", "Apple iTunes AAC-LC (.M4P) AES Protected Audio" }, + { "M4V ", "Apple iTunes Video (.M4V) Video" }, + { "M4VH", "Apple TV (.M4V)" }, + { "M4VP", "Apple iPhone (.M4V)" }, + { "MPPI", "Photo Player, MAF [ISO/IEC 23000-3]" }, + { "MSNV", "MPEG-4 (.MP4) for SonyPSP" }, + { "NDAS", "MP4 v2 [ISO 14496-14] Nero Digital AAC Audio" }, + { "NDSC", "MPEG-4 (.MP4) Nero Cinema Profile" }, + { "NDSH", "MPEG-4 (.MP4) Nero HDTV Profile" }, + { "NDSM", "MPEG-4 (.MP4) Nero Mobile Profile" }, + { "NDSP", "MPEG-4 (.MP4) Nero Portable Profile" }, + { "NDSS", "MPEG-4 (.MP4) Nero Standard Profile" }, + { "NDXC", "H.264/MPEG-4 AVC (.MP4) Nero Cinema Profile" }, + { "NDXH", "H.264/MPEG-4 AVC (.MP4) Nero HDTV Profile" }, + { "NDXM", "H.264/MPEG-4 AVC (.MP4) Nero Mobile Profile" }, + { "NDXP", "H.264/MPEG-4 AVC (.MP4) Nero Portable Profile" }, + { "NDXS", "H.264/MPEG-4 AVC (.MP4) Nero Standard Profile" }, + { "NIKO", "Nikon" }, + { "ROSS", "Ross Video" }, + { "avc1", "MP4 Base w/ AVC ext [ISO 14496-12:2005]" }, + { "caqv", "Casio Digital Camera" }, + { "da0a", "DMB MAF w/ MPEG Layer II aud, MOT slides, DLS, JPG/PNG/MNG images" }, + { "da0b", "DMB MAF, extending DA0A, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "da1a", "DMB MAF audio with ER-BSAC audio, JPG/PNG/MNG images" }, + { "da1b", "DMB MAF, extending da1a, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "da2a", "DMB MAF aud w/ HE-AAC v2 aud, MOT slides, DLS, JPG/PNG/MNG images" }, + { "da2b", "DMB MAF, extending da2a, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "da3a", "DMB MAF aud with HE-AAC aud, JPG/PNG/MNG images" }, + { "da3b", "DMB MAF, extending da3a w/ BIFS, 3GPP timed text, DID, TVA, REL, IPMP" }, + { "dmb1", "DMB MAF supporting all the components defined in the specification" }, + { "dmpf", "Digital Media Project" }, + { "drc1", "Dirac (wavelet compression), encapsulated in ISO base media (MP4)" }, + { "dv1a", "DMB MAF vid w/ AVC vid, ER-BSAC aud, BIFS, JPG/PNG/MNG images, TS" }, + { "dv1b", "DMB MAF, extending dv1a, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "dv2a", "DMB MAF vid w/ AVC vid, HE-AAC v2 aud, BIFS, JPG/PNG/MNG images, TS" }, + { "dv2b", "DMB MAF, extending dv2a, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "dv3a", "DMB MAF vid w/ AVC vid, HE-AAC aud, BIFS, JPG/PNG/MNG images, TS" }, + { "dv3b", "DMB MAF, extending dv3a, with 3GPP timed text, DID, TVA, REL, IPMP" }, + { "dvr1", "DVB (.DVB) over RTP" }, + { "dvt1", "DVB (.DVB) over MPEG-2 Transport Stream" }, + { "isc2", "ISMACryp 2.0 Encrypted File" }, + { "iso2", "MP4 Base Media v2 [ISO 14496-12:2005]" }, + { "isom", "MP4 Base Media v1 [IS0 14496-12:2003]" }, + { "jpm ", "JPEG 2000 Compound Image (.JPM) [ISO 15444-6]" }, + { "jpx ", "JPEG 2000 with extensions (.JPX) [ISO 15444-2]" }, + { "mj2s", "Motion JPEG 2000 [ISO 15444-3] Simple Profile" }, + { "mjp2", "Motion JPEG 2000 [ISO 15444-3] General Profile" }, + { "mmp4", "MPEG-4/3GPP Mobile Profile (.MP4/3GP) (for NTT)" }, + { "mp21", "MPEG-21 [ISO/IEC 21000-9]" }, + { "mp41", "MP4 v1 [ISO 14496-1:ch13]" }, + { "mp42", "MP4 v2 [ISO 14496-14]" }, + { "mp71", "MP4 w/ MPEG-7 Metadata [per ISO 14496-12]" }, + { "mqt ", "Sony / Mobile QuickTime (.MQV) US Patent 7,477,830 (Sony Corp)" }, + { "niko", "Nikon" }, + { "odcf", "OMA DCF DRM Format 2.0 (OMA-TS-DRM-DCF-V2_0-20060303-A)" }, + { "opf2", "OMA PDCF DRM Format 2.1 (OMA-TS-DRM-DCF-V2_1-20070724-C)" }, + { "opx2", "OMA PDCF DRM + XBS extensions (OMA-TS-DRM_XBS-V1_0-20070529-C)" }, + { "pana", "Panasonic Digital Camera" }, + { "qt ", "Apple QuickTime (.MOV/QT)" }, + { "sdv ", "SD Memory Card Video" }, + { "ssc1", "Samsung stereoscopic, single stream" }, + { "ssc2", "Samsung stereoscopic, dual stream" } + }; + + extern const TagVocabulary handlerClassTags[] = { + { "dhlr", "Data Handler" }, + { "mhlr", "Media Handler" } + }; + + extern const TagVocabulary handlerTypeTags[] = { + { "alis", "Alias Data" }, + { "crsm", "Clock Reference" }, + { "hint", "Hint Track" }, + { "ipsm", "IPMP" }, + { "m7sm", "MPEG-7 Stream" }, + { "mdir", "Metadata" }, + { "mdta", "Metadata Tags" }, + { "mjsm", "MPEG-J" }, + { "ocsm", "Object Content" }, + { "odsm", "Object Descriptor" }, + { "sdsm", "Scene Description" }, + { "soun", "Audio Track" }, + { "text", "Text" }, + { "tmcd", "Time Code" }, + { "url ", "URL" }, + { "vide", "Video Track" } + }; + + extern const TagVocabulary vendorIDTags[] = { + { "FFMP", "FFmpeg" }, + { "appl", "Apple" }, + { "olym", "Olympus" }, + { "GIC ", "General Imaging Co." }, + { "fe20", "Olympus (fe20)" }, + { "pana", "Panasonic" }, + { "KMPI", "Konica-Minolta" }, + { "kdak", "Kodak" }, + { "pent", "Pentax" }, + { "NIKO", "Nikon" }, + { "leic", "Leica" }, + { "pr01", "Olympus (pr01)" }, + { "SMI ", "Sorenson Media Inc." }, + { "mino", "Minolta" }, + { "sany", "Sanyo" }, + { "ZORA", "Zoran Corporation" }, + { "niko", "Nikon" } + }; + + extern const TagVocabulary cameraByteOrderTags[] = { + { "II", "Little-endian (Intel, II)" }, + { "MM", "Big-endian (Motorola, MM)" } + }; + + extern const TagDetails graphicsModetags[] = { + { 0x0, "srcCopy" }, + { 0x1, "srcOr" }, + { 0x2, "srcXor" }, + { 0x3, "srcBic" }, + { 0x4, "notSrcCopy" }, + { 0x5, "notSrcOr" }, + { 0x6, "notSrcXor" }, + { 0x7, "notSrcBic" }, + { 0x8, "patCopy" }, + { 0x9, "patOr" }, + { 0xa, "patXor" }, + { 0xb, "patBic" }, + { 0xc, "notPatCopy" }, + { 0xd, "notPatOr" }, + { 0xe, "notPatXor" }, + { 0xf, "notPatBic" }, + { 0x20, "blend" }, + { 0x21, "addPin" }, + { 0x22, "addOver" }, + { 0x23, "subPin" }, + { 0x24, "transparent" }, + { 0x25, "addMax" }, + { 0x26, "subOver" }, + { 0x27, "addMin" }, + { 0x31, "grayishTextOr" }, + { 0x32, "hilite" }, + { 0x40, "ditherCopy" }, + { 0x100, "Alpha" }, + { 0x101, "White Alpha" }, + { 0x102, "Pre-multiplied Black Alpha" }, + { 0x110, "Component Alpha" } + }; + + + extern const TagVocabulary userDatatags[] = { + { "AllF", "PlayAllFrames" }, + { "CNCV", "CompressorVersion" }, + { "CNFV", "FirmwareVersion" }, + { "CNMN", "Model" }, + { "CNTH", "CanonCNTH" }, + { "DcMD", "DcMD" }, + { "FFMV", "FujiFilmFFMV" }, + { "INFO", "SamsungINFO" }, + { "LOOP", "LoopStyle" }, + { "MMA0", "MinoltaMMA0" }, + { "MMA1", "MinoltaMMA1" }, + { "MVTG", "FujiFilmMVTG" }, + { "NCDT", "NikonNCDT" }, + { "PANA", "PanasonicPANA" }, + { "PENT", "PentaxPENT" }, + { "PXMN", "MakerNotePentax5b" }, + { "PXTH", "PentaxPreview" }, + { "QVMI", "CasioQVMI" }, + { "SDLN", "PlayMode" }, + { "SelO", "PlaySelection" }, + { "TAGS", "KodakTags/KonicaMinoltaTags/MinoltaTags/NikonTags/OlympusTags/PentaxTags/SamsungTags/SanyoMOV/SanyoMP4" }, + { "WLOC", "WindowLocation" }, + { "XMP_", "XMP" }, + { "Xtra", "Xtra" }, + { "hinf", "HintTrackInfo" }, + { "hinv", "HintVersion" }, + { "hnti", "Hint" }, + { "meta", "Meta" }, + { "name", "Name" }, + { "ptv ", "PrintToVideo" }, + { "scrn", "OlympusPreview" }, + { "thmb", "MakerNotePentax5a/OlympusThumbnail" }, + }; + + extern const TagVocabulary userDataReferencetags[] = { + { "CNCV", "Xmp.video.CompressorVersion" }, + { "CNFV", "Xmp.video.FirmwareVersion" }, + { "CNMN", "Xmp.video.Model" }, + { "NCHD", "Xmp.video.MakerNoteType" }, + { "WLOC", "Xmp.video.WindowLocation" }, + { "SDLN", "Xmp.video.PlayMode" }, + { "FFMV", "Xmp.video.StreamName" }, + { "SelO", "Xmp.video.PlaySelection" }, + { "name", "Xmp.video.Name" }, + { "vndr", "Xmp.video.Vendor" }, + { " ART", "Xmp.video.Artist" }, + { " alb", "Xmp.video.Album" }, + { " arg", "Xmp.video.Arranger" }, + { " ark", "Xmp.video.ArrangerKeywords" }, + { " cmt", "Xmp.video.Comment" }, + { " cok", "Xmp.video.ComposerKeywords" }, + { " com", "Xmp.video.Composer" }, + { " cpy", "Xmp.video.Copyright" }, + { " day", "Xmp.video.CreateDate" }, + { " dir", "Xmp.video.Director" }, + { " ed1", "Xmp.video.Edit1" }, + { " ed2", "Xmp.video.Edit2" }, + { " ed3", "Xmp.video.Edit3" }, + { " ed4", "Xmp.video.Edit4" }, + { " ed5", "Xmp.video.Edit5" }, + { " ed6", "Xmp.video.Edit6" }, + { " ed7", "Xmp.video.Edit7" }, + { " ed8", "Xmp.video.Edit8" }, + { " ed9", "Xmp.video.Edit9" }, + { " enc", "Xmp.video.Encoder" }, + { " fmt", "Xmp.video.Format" }, + { " gen", "Xmp.video.Genre" }, + { " grp", "Xmp.video.Grouping" }, + { " inf", "Xmp.video.Information" }, + { " isr", "Xmp.video.ISRCCode" }, + { " lab", "Xmp.video.RecordLabelName" }, + { " lal", "Xmp.video.RecordLabelURL" }, + { " lyr", "Xmp.video.Lyrics" }, + { " mak", "Xmp.video.Make" }, + { " mal", "Xmp.video.MakerURL" }, + { " mod", "Xmp.video.Model" }, + { " nam", "Xmp.video.Title" }, + { " pdk", "Xmp.video.ProducerKeywords" }, + { " phg", "Xmp.video.RecordingCopyright" }, + { " prd", "Xmp.video.Producer" }, + { " prf", "Xmp.video.Performers" }, + { " prk", "Xmp.video.PerformerKeywords" }, + { " prl", "Xmp.video.PerformerURL" }, + { " req", "Xmp.video.Requirements" }, + { " snk", "Xmp.video.SubtitleKeywords" }, + { " snm", "Xmp.video.Subtitle" }, + { " src", "Xmp.video.SourceCredits" }, + { " swf", "Xmp.video.SongWriter" }, + { " swk", "Xmp.video.SongWriterKeywords" }, + { " swr", "Xmp.video.SoftwareVersion" }, + { " too", "Xmp.video.Encoder" }, + { " trk", "Xmp.video.Track" }, + { " wrt", "Xmp.video.Composer" }, + { " xyz", "Xmp.video.GPSCoordinates" }, + { "CMbo", "Xmp.video.CameraByteOrder" }, + { "Cmbo", "Xmp.video.CameraByteOrder" }, + }; + + extern const TagDetails NikonNCTGTags[] = { + { 0x0001, "Xmp.video.Make" }, + { 0x0002, "Xmp.video.Model" }, + { 0x0003, "Xmp.video.Software" }, + { 0x0011, "Xmp.video.CreationDate" }, + { 0x0012, "Xmp.video.DateTimeOriginal" }, + { 0x0013, "Xmp.video.FrameCount" }, + { 0x0016, "Xmp.video.FrameRate" }, + { 0x0022, "Xmp.video.FrameWidth" }, + { 0x0023, "Xmp.video.FrameHeight" }, + { 0x0032, "Xmp.audio.channelType" }, + { 0x0033, "Xmp.audio.BitsPerSample" }, + { 0x0034, "Xmp.audio.sampleRate" }, + { 0x1108822, "Xmp.video.ExposureProgram" }, + { 0x1109204, "Xmp.video.ExposureCompensation" }, + { 0x1109207, "Xmp.video.MeteringMode" }, + { 0x110a434, "Xmp.video.LensModel" }, + { 0x1200000, "Xmp.video.GPSVersionID" }, + { 0x1200001, "Xmp.video.GPSLatitudeRef" }, + { 0x1200002, "Xmp.video.GPSLatitude" }, + { 0x1200003, "Xmp.video.GPSLongitudeRef" }, + { 0x1200004, "Xmp.video.GPSLongitude" }, + { 0x1200005, "Xmp.video.GPSAltitudeRef" }, + { 0x1200006, "Xmp.video.GPSAltitude" }, + { 0x1200007, "Xmp.video.GPSTimeStamp" }, + { 0x1200008, "Xmp.video.GPSSatellites" }, + { 0x1200010, "Xmp.video.GPSImgDirectionRef" }, + { 0x1200011, "Xmp.video.GPSImgDirection" }, + { 0x1200012, "Xmp.video.GPSMapDatum" }, + { 0x120001d, "Xmp.video.GPSDateStamp" }, + { 0x2000001, "Xmp.video.MakerNoteVersion" }, + { 0x2000005, "Xmp.video.WhiteBalance" }, + { 0x200000b, "Xmp.video.WhiteBalanceFineTune" }, + { 0x200001e, "Xmp.video.ColorSpace" }, + { 0x2000023, "Xmp.video.PictureControlData" }, + { 0x2000024, "Xmp.video.WorldTime" }, + { 0x200002c, "Xmp.video.UnknownInfo" }, + { 0x2000032, "Xmp.video.UnknownInfo2" }, + { 0x2000039, "Xmp.video.LocationInfo" }, + { 0x2000083, "Xmp.video.LensType" }, + { 0x2000084, "Xmp.video.LensModel" }, + { 0x20000ab, "Xmp.video.VariProgram" }, + }; + + extern const TagDetails NikonColorSpace[] = { + { 1, "sRGB" }, + { 2, "Adobe RGB" }, + }; + + extern const TagVocabulary NikonGPS_Latitude_Longitude_ImgDirection_Reference[] = { + { "N", "North" }, + { "S", "South" }, + { "E", "East" }, + { "W", "West" }, + { "M", "Magnetic North" }, + { "T", "True North" }, + }; + + extern const TagDetails NikonGPSAltitudeRef[] = { + { 0, "Above Sea Level" }, + { 1, "Below Sea Level" }, + }; + + extern const TagDetails NikonExposureProgram[] = { + { 0, "Not Defined" }, + { 1, "Manual" }, + { 2, "Program AE" }, + { 3, "Aperture-priority AE" }, + { 4, "Shutter speed priority AE" }, + { 5, "Creative (Slow speed)" }, + { 6, "Action (High speed)" }, + { 7, "Portrait" }, + { 8, "Landscape" }, + }; + + extern const TagDetails NikonMeteringMode[] = { + { 0, "Unknown" }, + { 1, "Average" }, + { 2, "Center-weighted average" }, + { 3, "Spot" }, + { 4, "Multi-spot" }, + { 5, "Multi-segment" }, + { 6, "Partial" }, + { 255, "Other" }, + }; + + extern const TagDetails PictureControlAdjust[] = { + { 0, "Default Settings" }, + { 1, "Quick Adjust" }, + { 2, "Full Control" }, + }; + + //! Contrast and Sharpness + extern const TagDetails NormalSoftHard[] = { + { 0, "Normal" }, + { 1, "Soft" }, + { 2, "Hard" } + }; + + //! Saturation + extern const TagDetails Saturation[] = { + { 0, "Normal" }, + { 1, "Low" }, + { 2, "High" } + }; + + //! YesNo, used for DaylightSavings + extern const TagDetails YesNo[] = { + { 0, "No" }, + { 1, "Yes" } + }; + + //! DateDisplayFormat + extern const TagDetails DateDisplayFormat[] = { + { 0, "Y/M/D" }, + { 1, "M/D/Y" }, + { 2, "D/M/Y" } + }; + + extern const TagDetails FilterEffect[] = { + { 0x80, "Off" }, + { 0x81, "Yellow" }, + { 0x82, "Orange" }, + { 0x83, "Red" }, + { 0x84, "Green" }, + { 0xff, "n/a" }, + }; + + extern const TagDetails ToningEffect[] = { + { 0x80, "B&W" }, + { 0x81, "Sepia" }, + { 0x82, "Cyanotype" }, + { 0x83, "Red" }, + { 0x84, "Yellow" }, + { 0x85, "Green" }, + { 0x86, "Blue-green" }, + { 0x87, "Blue" }, + { 0x88, "Purple-blue" }, + { 0x89, "Red-purple" }, + { 0xff, "n/a" }, + }; + + extern const TagDetails whiteBalance[] = { + { 0, "Auto" }, + { 1, "Daylight" }, + { 2, "Shade" }, + { 3, "Fluorescent" }, + { 4, "Tungsten" }, + { 5, "Manual" }, + }; + + enum movieHeaderTags { + MovieHeaderVersion, CreateDate, ModifyDate, TimeScale, Duration, PreferredRate, PreferredVolume, + PreviewTime = 18, PreviewDuration,PosterTime, SelectionTime, SelectionDuration, CurrentTime, NextTrackID + }; + enum trackHeaderTags { + TrackHeaderVersion, TrackCreateDate, TrackModifyDate, TrackID, TrackDuration = 5, TrackLayer = 8, + TrackVolume, ImageWidth = 19, ImageHeight + }; + enum mediaHeaderTags { + MediaHeaderVersion, MediaCreateDate, MediaModifyDate, MediaTimeScale, MediaDuration, MediaLanguageCode + }; + enum handlerTags { + HandlerClass = 1, HandlerType, HandlerVendorID + }; + enum videoHeaderTags { + GraphicsMode = 2, OpColor + }; + enum stream { + Video, Audio, Hint, Null, GenMediaHeader + }; + enum imageDescTags { + codec, VendorID = 4, SourceImageWidth_Height = 7, XResolution, + YResolution, CompressorName = 10, BitDepth + }; + enum audioDescTags { + AudioFormat, AudioVendorID = 4, AudioChannels, AudioSampleRate = 7, MOV_AudioFormat = 13 + }; + + /*! + @brief Function used to check equality of a Tags with a + particular string (ignores case while comparing). + @param buf Data buffer that will contain Tag to compare + @param str char* Pointer to string + @return Returns true if the buffer value is equal to string. + */ + bool equalsQTimeTag(Exiv2::DataBuf& buf ,const char* str) { + for(int i = 0; i < 4; ++i) + if(tolower(buf.data()[i]) != tolower(str[i])) + return false; + return true; + } + + /*! + @brief Function used to ignore Tags and values stored in them, + since they are not necessary as metadata information + @param buf Data buffer that will contain Tag to compare + @return Returns true, if Tag is found in the ignoreList[] + */ + bool ignoreList (Exiv2::DataBuf& buf) { + const char ignoreList[13][5] = { + "mdat", "edts", "junk", "iods", "alis", "stsc", "stsz", "stco", "ctts", "stss", + "skip", "wide", "cmvd", + }; + + for(int i = 0 ; i < 13 ; ++i) + if(equalsQTimeTag(buf, ignoreList[i])) + return true; + + return false; + } + + /*! + @brief Function used to ignore Tags, basically Tags which + contain other tags inside them, since they are not necessary + as metadata information + @param buf Data buffer that will contain Tag to compare + @return Returns true, if Tag is found in the ignoreList[] + */ + bool dataIgnoreList (Exiv2::DataBuf& buf) { + const char ignoreList[8][5] = { + "moov", "mdia", "minf", "dinf", "alis", "stbl", "cmov", + "meta", + }; + + for(int i = 0 ; i < 8 ; ++i) + if(equalsQTimeTag(buf, ignoreList[i])) + return true; + + return false; + } + + /*! + @brief Function used to convert buffer data into 64-bit + signed integer, information stored in Big Endian format + @param buf Data buffer that will contain data to be converted + @return Returns a signed 64-bit integer + */ + int64_t returnBufValue(Exiv2::DataBuf& buf, int n = 4) { + int64_t temp = 0; + for(int i = n - 1; i >= 0; i--) +#ifdef _MSC_VER + temp = temp + static_cast(buf.data()[i]*(pow(static_cast(256), n-i-1))); +#else + temp = temp + buf.data()[i]*(pow((float)256,n-i-1)); +#endif + + return temp; + } + + /*! + @brief Function used to convert buffer data into 64-bit + unsigned integer, information stored in Big Endian format + @param buf Data buffer that will contain data to be converted + @return Returns an unsigned 64-bit integer + */ + uint64_t returnUnsignedBufValue(Exiv2::DataBuf& buf, int n = 4) { + uint64_t temp = 0; + for(int i = n-1; i >= 0; i--) +#if _MSC_VER + temp = temp + static_cast(buf.data()[i]*(pow(static_cast(256), n-i-1))); +#else + temp = temp + buf.data()[i]*(pow((float)256,n-i-1)); +#endif + + return temp; + } + + /*! + @brief Function used to quicktime files, by checking the + the tags at the start of the file. If the Tag is any one + of the tags listed below, then it is of Quicktime Type. + @param a, b, c, d - characters used to compare + @return Returns true, if Tag is found in the list qTimeTags + */ + bool isQuickTimeType (char a, char b, char c, char d) { + char qTimeTags[][5] = { + "PICT", "free", "ftyp", "junk", "mdat", + "moov", "pict", "pnot", "skip", "uuid", "wide" + }; + + for(int i = 0; i <= 10; i++) + if(a == qTimeTags[i][0] && b == qTimeTags[i][1] && c == qTimeTags[i][2] && d == qTimeTags[i][3]) + return true; + return false; + } + +}} // namespace Internal, Exiv2 + +namespace Exiv2 { + + using namespace Exiv2::Internal; + + QuickTimeVideo::QuickTimeVideo(BasicIo::UniquePtr io) + : Image(ImageType::qtime, mdNone, std::move(io)) + , timeScale_(1) + { + } // QuickTimeVideo::QuickTimeVideo + + std::string QuickTimeVideo::mimeType() const + { + return "video/quicktime"; + } + + void QuickTimeVideo::writeMetadata() + { + } + + + void QuickTimeVideo::readMetadata() + { + if (io_->open() != 0) throw Error(ErrorCode::kerDataSourceOpenFailed, io_->path(), strError()); + + // Ensure that this is the correct image type + if (!isQTimeType(*io_, false)) { + if (io_->error() || io_->eof()) throw Error(ErrorCode::kerFailedToReadImageData); + throw Error(ErrorCode::kerNotAnImage, "QuickTime"); + } + + IoCloser closer(*io_); + clearMetadata(); + continueTraversing_ = true; + height_ = width_ = 1; + + xmpData_["Xmp.video.FileSize"] = (double)io_->size()/(double)1048576; + xmpData_["Xmp.video.MimeType"] = mimeType(); + + while (continueTraversing_) decodeBlock(); + + aspectRatio(); + } // QuickTimeVideo::readMetadata + + void QuickTimeVideo::decodeBlock() + { + const long bufMinSize = 4; + DataBuf buf(bufMinSize+1); + uint64_t size = 0; + buf.data()[4] = '\0' ; + + + io_->read(buf.data(), 4); + if(io_->eof()) { + continueTraversing_ = false; + return; + } + + size = Exiv2::getULong(buf.data(), bigEndian); + + io_->read(buf.data(), 4); + + if (size == 1) { + // The box size is encoded as a uint64_t, so we need to read another 8 bytes. + DataBuf data(8); + io_->read(data.data(), data.size()); + size = data.read_uint64(0, bigEndian); + } + if(size < 8) + return; + + std::cerr<<"\nTag=>"<"<read(buf.data(), size); + if (currentStream_ == Video) + xmpData_["Xmp.video.URL"] = Exiv2::toString(buf.data()); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.URL"] = Exiv2::toString(buf.data()); + } + + else if (equalsQTimeTag(buf, "urn ")) { + io_->read(buf.data(), size); + if (currentStream_ == Video) + xmpData_["Xmp.video.URN"] = Exiv2::toString(buf.data()); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.URN"] = Exiv2::toString(buf.data()); + } + + else if (equalsQTimeTag(buf, "dcom")) { + io_->read(buf.data(), size); + xmpData_["Xmp.video.Compressor"] = Exiv2::toString(buf.data()); + } + + else if (equalsQTimeTag(buf, "smhd")) { + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + xmpData_["Xmp.audio.Balance"] = returnBufValue(buf, 2); + } + + else { + discard(size); + } + } // QuickTimeVideo::tagDecoder + + void QuickTimeVideo::discard(unsigned long size) + { + uint64_t cur_pos = io_->tell(); + io_->seek(cur_pos + size, BasicIo::beg); + } // QuickTimeVideo::discard + + void QuickTimeVideo::previewTagDecoder(unsigned long size) + { + DataBuf buf(4); + uint64_t cur_pos = io_->tell(); + io_->read(buf.data(), 4); + xmpData_["Xmp.video.PreviewDate"] = getULong(buf.data(), bigEndian); + io_->read(buf.data(), 2); + xmpData_["Xmp.video.PreviewVersion"] = getShort(buf.data(), bigEndian); + + io_->read(buf.data(), 4); + if(equalsQTimeTag(buf, "PICT")) + xmpData_["Xmp.video.PreviewAtomType"] = "QuickDraw Picture"; + else + xmpData_["Xmp.video.PreviewAtomType"] = Exiv2::toString(buf.data()); + + io_->seek(cur_pos + size, BasicIo::beg); + } // QuickTimeVideo::previewTagDecoder + + void QuickTimeVideo::keysTagDecoder(unsigned long size) + { + DataBuf buf(4); + uint64_t cur_pos = io_->tell(); + io_->read(buf.data(), 4); + xmpData_["Xmp.video.PreviewDate"] = getULong(buf.data(), bigEndian); + io_->read(buf.data(), 2); + xmpData_["Xmp.video.PreviewVersion"] = getShort(buf.data(), bigEndian); + + io_->read(buf.data(), 4); + if(equalsQTimeTag(buf, "PICT")) + xmpData_["Xmp.video.PreviewAtomType"] = "QuickDraw Picture"; + else + xmpData_["Xmp.video.PreviewAtomType"] = Exiv2::toString(buf.data()); + + io_->seek(cur_pos + size, BasicIo::beg); + } // QuickTimeVideo::keysTagDecoder + + void QuickTimeVideo::trackApertureTagDecoder(unsigned long size) + { + DataBuf buf(4), buf2(2); + uint64_t cur_pos = io_->tell(); + byte n = 3; + + while(n--) { + io_->seek(static_cast(4), BasicIo::cur); io_->read(buf.data(), 4); + + if(equalsQTimeTag(buf, "clef")) { + io_->seek(static_cast(4), BasicIo::cur); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.CleanApertureWidth"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.CleanApertureHeight"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + } + + else if(equalsQTimeTag(buf, "prof")) { + io_->seek(static_cast(4), BasicIo::cur); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.ProductionApertureWidth"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.ProductionApertureHeight"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + } + + else if(equalsQTimeTag(buf, "enof")) { + io_->seek(static_cast(4), BasicIo::cur); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.EncodedPixelsWidth"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + io_->read(buf.data(), 2); io_->read(buf2.data(), 2); + xmpData_["Xmp.video.EncodedPixelsHeight"] = Exiv2::toString(getUShort(buf.data(), bigEndian)) + + "." + Exiv2::toString(getUShort(buf2.data(), bigEndian)); + } + } + io_->seek(static_cast(cur_pos + size), BasicIo::beg); + } // QuickTimeVideo::trackApertureTagDecoder + + void QuickTimeVideo::CameraTagsDecoder(unsigned long size_external) + { + uint64_t cur_pos = io_->tell(); + DataBuf buf(50), buf2(4); + const TagDetails* td; + + io_->read(buf.data(), 4); + if(equalsQTimeTag(buf, "NIKO")) { + io_->seek(cur_pos, BasicIo::beg); + + io_->read(buf.data(), 24); + xmpData_["Xmp.video.Make"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 14); + xmpData_["Xmp.video.Model"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 4); + xmpData_["Xmp.video.ExposureTime"] = "1/" + Exiv2::toString( ceil( getULong(buf.data(), littleEndian) / (double)10)); + io_->read(buf.data(), 4); io_->read(buf2.data(), 4); + xmpData_["Xmp.video.FNumber"] = getULong(buf.data(), littleEndian) / (double)getULong(buf2.data(), littleEndian) ; + io_->read(buf.data(), 4); io_->read(buf2.data(), 4); + xmpData_["Xmp.video.ExposureCompensation"] = getULong(buf.data(), littleEndian) / (double)getULong(buf2.data(), littleEndian) ; + io_->read(buf.data(), 10); io_->read(buf.data(), 4); + td = find(whiteBalance, getULong(buf.data(), littleEndian)); + if (td) + xmpData_["Xmp.video.WhiteBalance"] = exvGettext(td->label_); + io_->read(buf.data(), 4); io_->read(buf2.data(), 4); + xmpData_["Xmp.video.FocalLength"] = getULong(buf.data(), littleEndian) / (double)getULong(buf2.data(), littleEndian) ; + io_->seek(static_cast(95), BasicIo::cur); + io_->read(buf.data(), 48); + xmpData_["Xmp.video.Software"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 4); + xmpData_["Xmp.video.ISO"] = getULong(buf.data(), littleEndian); + } + + io_->seek(cur_pos + size_external, BasicIo::beg); + } // QuickTimeVideo::CameraTagsDecoder + + void QuickTimeVideo::userDataDecoder(unsigned long size_external) + { + uint64_t cur_pos = io_->tell(); + const TagVocabulary* td; + const TagVocabulary* tv, *tv_internal; + + const long bufMinSize = 100; + DataBuf buf(bufMinSize); + unsigned long size = 0, size_internal = size_external; + std::memset(buf.data(), 0x0, buf.size()); + + while((size_internal/4 != 0) && (size_internal > 0)) { + + buf.data()[4] = '\0' ; + io_->read(buf.data(), 4); + size = Exiv2::getULong(buf.data(), bigEndian); + if(size > size_internal) + break; + size_internal -= size; + io_->read(buf.data(), 4); + + if(buf.data()[0] == 169) + buf.data()[0] = ' '; + td = find(userDatatags, Exiv2::toString( buf.data())); + + tv = find(userDataReferencetags, Exiv2::toString( buf.data())); + + if(size == 0 || (size - 12) <= 0) + break; + + else if(equalsQTimeTag(buf, "DcMD") || equalsQTimeTag(buf, "NCDT")) + userDataDecoder(size - 8); + + else if(equalsQTimeTag(buf, "NCTG")) + NikonTagsDecoder(size - 8); + + else if(equalsQTimeTag(buf, "TAGS")) + CameraTagsDecoder(size - 8); + + else if(equalsQTimeTag(buf, "CNCV") || equalsQTimeTag(buf, "CNFV") + || equalsQTimeTag(buf, "CNMN") || equalsQTimeTag(buf, "NCHD") + || equalsQTimeTag(buf, "FFMV")) { + io_->read(buf.data(), size - 8); + xmpData_[exvGettext(tv->label_)] = Exiv2::toString(buf.data()); + } + + else if(equalsQTimeTag(buf, "CMbo") || equalsQTimeTag(buf, "Cmbo")) { + io_->read(buf.data(), 2); + buf.data()[2] = '\0' ; + tv_internal = find(cameraByteOrderTags, Exiv2::toString( buf.data())); + + if (tv_internal) + xmpData_[exvGettext(tv->label_)] = exvGettext(tv_internal->label_); + else + xmpData_[exvGettext(tv->label_)] = Exiv2::toString(buf.data()); + } + + else if(tv) { + io_->read(buf.data(), 4); + io_->read(buf.data(), size-12); + xmpData_[exvGettext(tv->label_)] = Exiv2::toString(buf.data()); + } + + else if(td) + tagDecoder(buf,size-8); + } + + io_->seek(cur_pos + size_external, BasicIo::beg); + } // QuickTimeVideo::userDataDecoder + + void QuickTimeVideo::NikonTagsDecoder(unsigned long size_external) + { + uint64_t cur_pos = io_->tell(); + DataBuf buf(200), buf2(4+1); + unsigned long TagID = 0; + unsigned short dataLength = 0, dataType = 2; + const TagDetails* td, *td2; + + for(int i = 0 ; i < 100 ; i++) { + io_->read(buf.data(), 4); + TagID = Exiv2::getULong(buf.data(), bigEndian); + td = find(NikonNCTGTags, TagID); + + io_->read(buf.data(), 2); + dataType = Exiv2::getUShort(buf.data(), bigEndian); + + std::memset(buf.data(), 0x0, buf.size()); + io_->read(buf.data(), 2); + + if(TagID == 0x2000023) { + uint64_t local_pos = io_->tell(); + dataLength = Exiv2::getUShort(buf.data(), bigEndian); + std::memset(buf.data(), 0x0, buf.size()); + + io_->read(buf.data(), 4); xmpData_["Xmp.video.PictureControlVersion"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 20); xmpData_["Xmp.video.PictureControlName"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 20); xmpData_["Xmp.video.PictureControlBase"] = Exiv2::toString(buf.data()); + io_->read(buf.data(), 4); std::memset(buf.data(), 0x0, buf.size()); + + io_->read(buf.data(), 1); + td2 = find(PictureControlAdjust, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.PictureControlAdjust"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.PictureControlAdjust"] = (int)buf.data()[0] & 7 ; + + io_->read(buf.data(), 1); + td2 = find(NormalSoftHard, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.PictureControlQuickAdjust"] = exvGettext(td2->label_); + + io_->read(buf.data(), 1); + td2 = find(NormalSoftHard, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.Sharpness"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.Sharpness"] = (int)buf.data()[0] & 7; + + io_->read(buf.data(), 1); + td2 = find(NormalSoftHard, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.Contrast"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.Contrast"] = (int)buf.data()[0] & 7; + + io_->read(buf.data(), 1); + td2 = find(NormalSoftHard, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.Brightness"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.Brightness"] = (int)buf.data()[0] & 7; + + io_->read(buf.data(), 1); + td2 = find(Saturation, (int)buf.data()[0] & 7 ); + if(td2) + xmpData_["Xmp.video.Saturation"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.Saturation"] = (int)buf.data()[0] & 7; + + io_->read(buf.data(), 1); + xmpData_["Xmp.video.HueAdjustment"] = (int)buf.data()[0] & 7; + + io_->read(buf.data(), 1); + td2 = find(FilterEffect, (int)buf.data()[0]); + if(td2) + xmpData_["Xmp.video.FilterEffect"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.FilterEffect"] = (int)buf.data()[0]; + + io_->read(buf.data(), 1); + td2 = find(ToningEffect, (int)buf.data()[0]); + if(td2) + xmpData_["Xmp.video.ToningEffect"] = exvGettext(td2->label_); + else + xmpData_["Xmp.video.ToningEffect"] = (int)buf.data()[0]; + + io_->read(buf.data(), 1); xmpData_["Xmp.video.ToningSaturation"] = (int)buf.data()[0]; + + io_->seek(local_pos + dataLength, BasicIo::beg); + } + + else if(TagID == 0x2000024) { + uint64_t local_pos = io_->tell(); + dataLength = Exiv2::getUShort(buf.data(), bigEndian); + std::memset(buf.data(), 0x0, buf.size()); + + io_->read(buf.data(), 2); xmpData_["Xmp.video.TimeZone"] = Exiv2::getShort(buf.data(), bigEndian); + io_->read(buf.data(), 1); + td2 = find(YesNo, (int)buf.data()[0]); + if(td2) + xmpData_["Xmp.video.DayLightSavings"] = exvGettext(td2->label_); + + io_->read(buf.data(), 1); + td2 = find(DateDisplayFormat, (int)buf.data()[0]); + if(td2) + xmpData_["Xmp.video.DateDisplayFormat"] = exvGettext(td2->label_); + + io_->seek(local_pos + dataLength, BasicIo::beg); + } + + else if(dataType == 2 || dataType == 7) { + dataLength = Exiv2::getUShort(buf.data(), bigEndian); + std::memset(buf.data(), 0x0, buf.size()); + + // Sanity check with an "unreasonably" large number + if (dataLength > 200) { +#ifndef SUPPRESS_WARNINGS + EXV_ERROR << "Xmp.video Nikon Tags, dataLength was found to be larger than 200." + << " Entries considered invalid. Not Processed.\n"; +#endif + io_->seek(io_->tell() + dataLength, BasicIo::beg); + } else { + io_->read(buf.data(), dataLength); + } + + if(td) { + xmpData_[exvGettext(td->label_)] = Exiv2::toString(buf.data()); + } + } + else if(dataType == 4) { + dataLength = Exiv2::getUShort(buf.data(), bigEndian) * 4; + std::memset(buf.data(), 0x0, buf.size()); + io_->read(buf.data(), 4); + if(td) + xmpData_[exvGettext(td->label_)] = Exiv2::toString(Exiv2::getULong( buf.data(), bigEndian)); + + // Sanity check with an "unreasonably" large number + if (dataLength > 200 || dataLength < 4) { +#ifndef SUPPRESS_WARNINGS + EXV_ERROR << "Xmp.video Nikon Tags, dataLength was found to be of inapropriate size." + << " Entries considered invalid. Not Processed.\n"; +#endif + io_->seek(io_->tell() + dataLength - 4, BasicIo::beg); + } + else + io_->read(buf.data(), dataLength - 4); + } + else if(dataType == 3) { + dataLength = Exiv2::getUShort(buf.data(), bigEndian) * 2; + std::memset(buf.data(), 0x0, buf.size()); + io_->read(buf.data(), 2); + if(td) + xmpData_[exvGettext(td->label_)] = Exiv2::toString(Exiv2::getUShort( buf.data(), bigEndian)); + + // Sanity check with an "unreasonably" large number + if (dataLength > 200 || dataLength < 2) { +#ifndef SUPPRESS_WARNINGS + EXV_ERROR << "Xmp.video Nikon Tags, dataLength was found to be of inapropriate size." + << " Entries considered invalid. Not Processed.\n"; +#endif + io_->seek(io_->tell() + dataLength - 2, BasicIo::beg); + } + else + io_->read(buf.data(), dataLength - 2); + } + else if(dataType == 5) { + dataLength = Exiv2::getUShort(buf.data(), bigEndian) * 8; + std::memset(buf.data(), 0x0, buf.size()); + io_->read(buf.data(), 4); + io_->read(buf2.data(), 4); + if(td) + xmpData_[exvGettext(td->label_)] = Exiv2::toString((double)Exiv2::getULong( buf.data(), bigEndian) / (double)Exiv2::getULong( buf2.data(), bigEndian)); + + // Sanity check with an "unreasonably" large number + if (dataLength > 200 || dataLength < 8) { +#ifndef SUPPRESS_WARNINGS + EXV_ERROR << "Xmp.video Nikon Tags, dataLength was found to be of inapropriate size." + << " Entries considered invalid. Not Processed.\n"; +#endif + io_->seek(io_->tell() + dataLength - 8, BasicIo::beg); + } + else + io_->read(buf.data(), dataLength - 8); + } + else if(dataType == 8) { + dataLength = Exiv2::getUShort(buf.data(), bigEndian) * 2; + std::memset(buf.data(), 0x0, buf.size()); + io_->read(buf.data(), 2); + io_->read(buf2.data(), 2); + if(td) + xmpData_[exvGettext(td->label_)] = Exiv2::toString(Exiv2::getUShort( buf.data(), bigEndian) ) + " " + Exiv2::toString(Exiv2::getUShort( buf2.data(), bigEndian)); + + // Sanity check with an "unreasonably" large number + if (dataLength > 200 || dataLength < 4) { +#ifndef SUPPRESS_WARNINGS + EXV_ERROR << "Xmp.video Nikon Tags, dataLength was found to be of inapropriate size." + << " Entries considered invalid. Not Processed.\n"; +#endif + io_->seek(io_->tell() + dataLength - 4, BasicIo::beg); + } + else + io_->read(buf.data(), dataLength - 4); + } + } + + io_->seek(cur_pos + size_external, BasicIo::beg); + } // QuickTimeVideo::NikonTagsDecoder + + void QuickTimeVideo::setMediaStream() + { + uint64_t current_position = io_->tell(); + DataBuf buf(4+1); + + while(!io_->eof()) { + io_->read(buf.data(), 4); + if (equalsQTimeTag(buf, "hdlr")) { + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + + if (equalsQTimeTag(buf, "vide")) + currentStream_ = Video; + else if(equalsQTimeTag(buf, "soun")) + currentStream_ = Audio; + else if (equalsQTimeTag(buf, "hint")) + currentStream_ = Hint; + else + currentStream_ = GenMediaHeader; + break; + } + } + + io_->seek(current_position, BasicIo::beg); + } // QuickTimeVideo::setMediaStream + + void QuickTimeVideo::timeToSampleDecoder() + { + DataBuf buf(4+1); + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + uint64_t noOfEntries, totalframes = 0, timeOfFrames = 0; + noOfEntries = returnUnsignedBufValue(buf); + uint64_t temp; + + for(unsigned long i = 1; i <= noOfEntries; i++) { + io_->read(buf.data(), 4); + temp = returnBufValue(buf); + totalframes += temp; + io_->read(buf.data(), 4); + timeOfFrames += temp * returnBufValue(buf); + } + if (currentStream_ == Video) + xmpData_["Xmp.video.FrameRate"] = (double)totalframes * (double)timeScale_ / (double)timeOfFrames; + } // QuickTimeVideo::timeToSampleDecoder + + void QuickTimeVideo::sampleDesc(unsigned long size) + { + DataBuf buf(100); + uint64_t cur_pos = io_->tell(); + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + uint64_t noOfEntries; + noOfEntries = returnUnsignedBufValue(buf); + + for(unsigned long i = 1; i <= noOfEntries; i++) { + if (currentStream_ == Video) + imageDescDecoder(); + else if (currentStream_ == Audio) + audioDescDecoder(); + } + io_->seek(cur_pos + size, BasicIo::beg); + } // QuickTimeVideo::sampleDesc + + void QuickTimeVideo::audioDescDecoder() + { + DataBuf buf(40); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + io_->read(buf.data(), 4); + uint64_t size = 82; + + const TagVocabulary* td; + + for (int i = 0; size/4 != 0 ; size -= 4, i++) { + io_->read(buf.data(), 4); + switch(i) { + case AudioFormat: + td = find(qTimeFileType, Exiv2::toString( buf.data())); + if(td) + xmpData_["Xmp.audio.Compressor"] = exvGettext(td->label_); + else + xmpData_["Xmp.audio.Compressor"] = Exiv2::toString( buf.data()); + break; + case AudioVendorID: + td = find(vendorIDTags, Exiv2::toString( buf.data())); + if(td) + xmpData_["Xmp.audio.VendorID"] = exvGettext(td->label_); + break; + case AudioChannels: + xmpData_["Xmp.audio.ChannelType"] = returnBufValue(buf, 2); + xmpData_["Xmp.audio.BitsPerSample"] = (buf.data()[2] * 256 + buf.data()[3]); + break; + case AudioSampleRate: + xmpData_["Xmp.audio.SampleRate"] = returnBufValue(buf, 2) + ((buf.data()[2] * 256 + buf.data()[3]) * 0.01); + break; + default: + break; + } + } + io_->read(buf.data(), static_cast(size % 4)); //cause size is so small, this cast should be right. + } // QuickTimeVideo::audioDescDecoder + + void QuickTimeVideo::imageDescDecoder() + { + DataBuf buf(40); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + io_->read(buf.data(), 4); + uint64_t size = 82; + + const TagVocabulary* td; + + for (int i = 0; size/4 != 0 ; size -= 4, i++) { + io_->read(buf.data(), 4); + + switch(i) { + case codec: + td = find(qTimeFileType, Exiv2::toString( buf.data())); + if(td) + xmpData_["Xmp.video.Codec"] = exvGettext(td->label_); + else + xmpData_["Xmp.video.Codec"] = Exiv2::toString( buf.data()); + break; + case VendorID: + td = find(vendorIDTags, Exiv2::toString( buf.data())); + if(td) + xmpData_["Xmp.video.VendorID"] = exvGettext(td->label_); + break; + case SourceImageWidth_Height: + xmpData_["Xmp.video.SourceImageWidth"] = returnBufValue(buf, 2); + xmpData_["Xmp.video.SourceImageHeight"] = (buf.data()[2] * 256 + buf.data()[3]); + break; + case XResolution: + xmpData_["Xmp.video.XResolution"] = returnBufValue(buf, 2) + ((buf.data()[2] * 256 + buf.data()[3]) * 0.01); + break; + case YResolution: + xmpData_["Xmp.video.YResolution"] = returnBufValue(buf, 2) + ((buf.data()[2] * 256 + buf.data()[3]) * 0.01); + io_->read(buf.data(), 3); size -= 3; + break; + case CompressorName: + io_->read(buf.data(), 32); size -= 32; + xmpData_["Xmp.video.Compressor"] = Exiv2::toString( buf.data()); + break; + default: + break; + } + } + io_->read(buf.data(), static_cast(size % 4)); + xmpData_["Xmp.video.BitDepth"] = returnBufValue(buf, 1); + } // QuickTimeVideo::imageDescDecoder + + void QuickTimeVideo::multipleEntriesDecoder() + { + DataBuf buf(4+1); + io_->read(buf.data(), 4); + io_->read(buf.data(), 4); + uint64_t noOfEntries; + + noOfEntries = returnUnsignedBufValue(buf); + + for(unsigned long i = 1; i <= noOfEntries; i++) + decodeBlock(); + } // QuickTimeVideo::multipleEntriesDecoder + + void QuickTimeVideo::videoHeaderDecoder(unsigned long size) { + DataBuf buf(3); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[2] = '\0'; + currentStream_ = Video; + + const TagDetails* td; + + for (int i = 0; size/2 != 0 ; size -= 2, i++) { + io_->read(buf.data(), 2); + + switch(i) { + case GraphicsMode: + td = find(graphicsModetags, returnBufValue(buf,2)); + if(td) + xmpData_["Xmp.video.GraphicsMode"] = exvGettext(td->label_); + break; + case OpColor: + xmpData_["Xmp.video.OpColor"] = returnBufValue(buf,2); + break; + default: + break; + } + } + io_->read(buf.data(), size % 2); + } // QuickTimeVideo::videoHeaderDecoder + + void QuickTimeVideo::handlerDecoder(unsigned long size) + { + uint64_t cur_pos = io_->tell(); + DataBuf buf(100); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + + const TagVocabulary* tv; + + for (int i = 0; i < 5 ; i++) { + io_->read(buf.data(), 4); + + switch(i) { + case HandlerClass: + tv = find(handlerClassTags, Exiv2::toString( buf.data())); + if(tv) { + if (currentStream_ == Video) + xmpData_["Xmp.video.HandlerClass"] = exvGettext(tv->label_); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.HandlerClass"] = exvGettext(tv->label_); + } + break; + case HandlerType: + tv = find(handlerTypeTags, Exiv2::toString( buf.data())); + if(tv) { + if (currentStream_ == Video) + xmpData_["Xmp.video.HandlerType"] = exvGettext(tv->label_); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.HandlerType"] = exvGettext(tv->label_); + } + break; + case HandlerVendorID: + tv = find(vendorIDTags, Exiv2::toString( buf.data())); + if(tv) { + if (currentStream_ == Video) + xmpData_["Xmp.video.HandlerVendorID"] = exvGettext(tv->label_); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.HandlerVendorID"] = exvGettext(tv->label_); + } + break; + } + } + io_->seek(cur_pos + size, BasicIo::beg); + } // QuickTimeVideo::handlerDecoder + + void QuickTimeVideo::fileTypeDecoder(unsigned long size) { + DataBuf buf(5); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + Exiv2::Value::UniquePtr v = Exiv2::Value::create(Exiv2::xmpSeq); + const TagVocabulary* td; + + for (int i = 0; size/4 != 0; size -=4, i++) { + io_->read(buf.data(), 4); + td = find(qTimeFileType, Exiv2::toString( buf.data())); + + switch(i) { + case 0: + if(td) + xmpData_["Xmp.video.MajorBrand"] = exvGettext(td->label_); + break; + case 1: + xmpData_["Xmp.video.MinorVersion"] = returnBufValue(buf); + break; + default: + if(td) + v->read(exvGettext(td->label_)); + else + v->read(Exiv2::toString(buf.data())); + break; + } + } + xmpData_.add(Exiv2::XmpKey("Xmp.video.CompatibleBrands"), v.get()); + io_->read(buf.data(), size%4); + } // QuickTimeVideo::fileTypeDecoder + + void QuickTimeVideo::mediaHeaderDecoder(unsigned long size) { + DataBuf buf(5); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + int64_t time_scale = 1; + + for (int i = 0; size/4 != 0 ; size -=4, i++) { + io_->read(buf.data(), 4); + + switch(i) { + case MediaHeaderVersion: + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaHeaderVersion"] = returnBufValue(buf,1); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaHeaderVersion"] = returnBufValue(buf,1); + break; + case MediaCreateDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaCreateDate"] = returnUnsignedBufValue(buf); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaCreateDate"] = returnUnsignedBufValue(buf); + break; + case MediaModifyDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaModifyDate"] = returnUnsignedBufValue(buf); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaModifyDate"] = returnUnsignedBufValue(buf); + break; + case MediaTimeScale: + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaTimeScale"] = returnBufValue(buf); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaTimeScale"] = returnBufValue(buf); + time_scale = returnBufValue(buf); + if (time_scale <= 0) + time_scale = 1; + break; + case MediaDuration: + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaDuration"] = time_scale ? returnBufValue(buf)/time_scale : 0 ; + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaDuration"] = time_scale ? returnBufValue(buf)/time_scale : 0; + break; + case MediaLanguageCode: + if(currentStream_ == Video) + xmpData_["Xmp.video.MediaLangCode"] = returnUnsignedBufValue(buf,2); + else if (currentStream_ == Audio) + xmpData_["Xmp.audio.MediaLangCode"] = returnUnsignedBufValue(buf,2); + break; + + default: + break; + } + } + io_->read(buf.data(), size%4); + } // QuickTimeVideo::mediaHeaderDecoder + + void QuickTimeVideo::trackHeaderDecoder(unsigned long size) { + DataBuf buf(5); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + int64_t temp = 0; + + for (int i = 0; size/4 != 0 ; size -=4, i++) { + io_->read(buf.data(), 4); + + switch(i) { + case TrackHeaderVersion: + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackHeaderVersion"] = returnBufValue(buf,1); + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackHeaderVersion"] = returnBufValue(buf,1); + break; + case TrackCreateDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackCreateDate"] = returnUnsignedBufValue(buf); + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackCreateDate"] = returnUnsignedBufValue(buf); + break; + case TrackModifyDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackModifyDate"] = returnUnsignedBufValue(buf); + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackModifyDate"] = returnUnsignedBufValue(buf); + break; + case TrackID: + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackID"] = returnBufValue(buf); + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackID"] = returnBufValue(buf); + break; + case TrackDuration: + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackDuration"] = timeScale_ ? returnBufValue(buf)/timeScale_ : 0; + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackDuration"] = timeScale_ ? returnBufValue(buf)/timeScale_ : 0; + break; + case TrackLayer: + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackLayer"] = returnBufValue(buf, 2); + else if(currentStream_ == Audio) + xmpData_["Xmp.audio.TrackLayer"] = returnBufValue(buf, 2); + break; + case TrackVolume: + if(currentStream_ == Video) + xmpData_["Xmp.video.TrackVolume"] = (returnBufValue(buf, 1) + (buf.data()[2] * 0.1)) * 100; + else if(currentStream_ == Audio) + xmpData_["Xmp.video.TrackVolume"] = (returnBufValue(buf, 1) + (buf.data()[2] * 0.1)) * 100; + break; + case ImageWidth: + if(currentStream_ == Video) { + temp = returnBufValue(buf, 2) + static_cast((buf.data()[2] * 256 + buf.data()[3]) * 0.01); + xmpData_["Xmp.video.Width"] = temp; + width_ = temp; + } + break; + case ImageHeight: + if(currentStream_ == Video) { + temp = returnBufValue(buf, 2) + static_cast((buf.data()[2] * 256 + buf.data()[3]) * 0.01); + xmpData_["Xmp.video.Height"] = temp; + height_ = temp; + } + break; + default: + break; + } + } + io_->read(buf.data(), size%4); + } // QuickTimeVideo::trackHeaderDecoder + + void QuickTimeVideo::movieHeaderDecoder(unsigned long size) { + DataBuf buf(5); + std::memset(buf.data(), 0x0, buf.size()); + buf.data()[4] = '\0'; + + for (int i = 0; size/4 != 0 ; size -=4, i++) { + io_->read(buf.data(), 4); + + switch(i) { + case MovieHeaderVersion: + xmpData_["Xmp.video.MovieHeaderVersion"] = returnBufValue(buf,1); break; + case CreateDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + xmpData_["Xmp.video.DateUTC"] = returnUnsignedBufValue(buf); break; + case ModifyDate: + //A 32-bit integer that specifies (in seconds since midnight, January 1, 1904) when the movie atom was created. + xmpData_["Xmp.video.ModificationDate"] = returnUnsignedBufValue(buf); break; + case TimeScale: + xmpData_["Xmp.video.TimeScale"] = returnBufValue(buf); + timeScale_ = returnBufValue(buf); + if (timeScale_ <= 0) timeScale_ = 1; + break; + case Duration: + if(timeScale_ != 0) { // To prevent division by zero + xmpData_["Xmp.video.Duration"] = returnBufValue(buf) * 1000 / timeScale_; + } + break; + case PreferredRate: + xmpData_["Xmp.video.PreferredRate"] = returnBufValue(buf, 2) + ((buf.data()[2] * 256 + buf.data()[3]) * 0.01); break; + case PreferredVolume: + xmpData_["Xmp.video.PreferredVolume"] = (returnBufValue(buf, 1) + (buf.data()[2] * 0.1)) * 100; break; + case PreviewTime: + xmpData_["Xmp.video.PreviewTime"] = returnBufValue(buf); break; + case PreviewDuration: + xmpData_["Xmp.video.PreviewDuration"] = returnBufValue(buf); break; + case PosterTime: + xmpData_["Xmp.video.PosterTime"] = returnBufValue(buf); break; + case SelectionTime: + xmpData_["Xmp.video.SelectionTime"] = returnBufValue(buf); break; + case SelectionDuration: + xmpData_["Xmp.video.SelectionDuration"] = returnBufValue(buf); break; + case CurrentTime: + xmpData_["Xmp.video.CurrentTime"] = returnBufValue(buf); break; + case NextTrackID: + xmpData_["Xmp.video.NextTrackID"] = returnBufValue(buf); break; + default: + break; + } + } + io_->read(buf.data(), size%4); + } // QuickTimeVideo::movieHeaderDecoder + + void QuickTimeVideo::aspectRatio() + { + //TODO - Make a better unified method to handle all cases of Aspect Ratio + + double aspectRatio = (double)width_ / (double)height_; + aspectRatio = floor(aspectRatio*10) / 10; + xmpData_["Xmp.video.AspectRatio"] = aspectRatio; + + int aR = (int) ((aspectRatio*10.0)+0.1); + + switch (aR) { + case 13 : xmpData_["Xmp.video.AspectRatio"] = "4:3" ; break; + case 17 : xmpData_["Xmp.video.AspectRatio"] = "16:9" ; break; + case 10 : xmpData_["Xmp.video.AspectRatio"] = "1:1" ; break; + case 16 : xmpData_["Xmp.video.AspectRatio"] = "16:10" ; break; + case 22 : xmpData_["Xmp.video.AspectRatio"] = "2.21:1" ; break; + case 23 : xmpData_["Xmp.video.AspectRatio"] = "2.35:1" ; break; + case 12 : xmpData_["Xmp.video.AspectRatio"] = "5:4" ; break; + default : xmpData_["Xmp.video.AspectRatio"] = aspectRatio;break; + } + } // QuickTimeVideo::aspectRatio + + + Image::UniquePtr newQTimeInstance(BasicIo::UniquePtr io, bool /*create*/) { + Image::UniquePtr image(new QuickTimeVideo(std::move(io))); + if (!image->good()) { + image.reset(); + } + return image; + } + + bool isQTimeType(BasicIo& iIo, bool advance) { + const int32_t len = 4; + byte buf[len]; + iIo.read(buf, len); + iIo.read(buf, len); + + if (iIo.error() || iIo.eof()) { + return false; + } + + bool matched = isQuickTimeType(buf[0], buf[1], buf[2], buf[3]); + if (!advance || !matched) { + iIo.seek(static_cast(0), BasicIo::beg); + } + + return matched; + } + +} // namespace Exiv2