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quicktimevideo.cpp
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quicktimevideo.cpp
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// ***************************************************************** -*- 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 "basicio.hpp"
#include "enforce.hpp"
#include "error.hpp"
#include "futils.hpp"
#include "quicktimevideo.hpp"
#include "tags.hpp"
#include "tags_int.hpp"
// + standard includes
#include <array>
#include <cmath>
#include <iostream>
#include <string>
// *****************************************************************************
// 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;
}
} // namespace Internal
} // namespace 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(std::string const& entered_from) {
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 = buf.read_uint32(0, bigEndian);
io_->readOrThrow(buf.data(), 4);
// we have read 2x 4 bytes
size_t hdrsize = 8;
if (size == 1) {
// The box size is encoded as a uint64_t, so we need to read another 8 bytes.
DataBuf data(8);
hdrsize += 8;
io_->readOrThrow(data.data(), data.size());
size = data.read_uint64(0, bigEndian);
} else if (size == 0) {
if (entered_from == "meta") {
size = buf.read_uint32(0, bigEndian);
io_->readOrThrow(buf.data(), 4, Exiv2::ErrorCode::kerCorruptedMetadata);
}
}
enforce(size >= hdrsize, Exiv2::ErrorCode::kerCorruptedMetadata);
enforce(size - hdrsize <= io_->size() - io_->tell(), Exiv2::ErrorCode::kerCorruptedMetadata);
enforce(size - hdrsize <= std::numeric_limits<size_t>::max(), Exiv2::ErrorCode::kerCorruptedMetadata);
// std::cerr<<"Tag=>"<<buf.data()<<" size=>"<<size-hdrsize << std::endl;
const size_t newsize = static_cast<size_t>(size - hdrsize);
if (newsize > buf.size()) {
buf.resize(newsize);
}
tagDecoder(buf, newsize);
} // QuickTimeVideo::decodeBlock
void QuickTimeVideo::tagDecoder(Exiv2::DataBuf& buf, size_t size) {
assert(buf.size() > 4);
if (ignoreList(buf))
discard(size);
else if (dataIgnoreList(buf)) {
decodeBlock(Exiv2::toString(buf.data()));
} else if (equalsQTimeTag(buf, "ftyp"))
fileTypeDecoder(size);
else if (equalsQTimeTag(buf, "trak"))
setMediaStream();
else if (equalsQTimeTag(buf, "mvhd"))
movieHeaderDecoder(size);
else if (equalsQTimeTag(buf, "tkhd"))
trackHeaderDecoder(size);
else if (equalsQTimeTag(buf, "mdhd"))
mediaHeaderDecoder(size);
else if (equalsQTimeTag(buf, "hdlr"))
handlerDecoder(size);
else if (equalsQTimeTag(buf, "vmhd"))
videoHeaderDecoder(size);
else if (equalsQTimeTag(buf, "udta"))
userDataDecoder(size);
else if (equalsQTimeTag(buf, "dref"))
multipleEntriesDecoder();
else if (equalsQTimeTag(buf, "stsd"))
sampleDesc(size);
else if (equalsQTimeTag(buf, "stts"))
timeToSampleDecoder();
else if (equalsQTimeTag(buf, "pnot"))
previewTagDecoder(size);
else if (equalsQTimeTag(buf, "tapt"))
trackApertureTagDecoder(size);
else if (equalsQTimeTag(buf, "keys"))
keysTagDecoder(size);
else if (equalsQTimeTag(buf, "url ")) {
Exiv2::DataBuf url(size + 1);
io_->readOrThrow(url.data(), size);
url.write_uint8(size, 0);
if (currentStream_ == Video)
xmpData_["Xmp.video.URL"] = Exiv2::toString(url.data());
else if (currentStream_ == Audio)
xmpData_["Xmp.audio.URL"] = Exiv2::toString(url.data());
}
else if (equalsQTimeTag(buf, "urn ")) {
Exiv2::DataBuf urn(size + 1);
io_->readOrThrow(urn.data(), size);
urn.write_uint8(size, 0);
if (currentStream_ == Video)
xmpData_["Xmp.video.URN"] = Exiv2::toString(urn.data());
else if (currentStream_ == Audio)
xmpData_["Xmp.audio.URN"] = Exiv2::toString(urn.data());
}
else if (equalsQTimeTag(buf, "dcom")) {
Exiv2::DataBuf dcom(size + 1);
io_->readOrThrow(dcom.data(), size);
dcom.write_uint8(size, 0);
xmpData_["Xmp.video.Compressor"] = Exiv2::toString(dcom.data());
}
else if (equalsQTimeTag(buf, "smhd")) {
io_->readOrThrow(buf.data(), 4);
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.audio.Balance"] = buf.read_uint16(0, bigEndian);
}
else {
discard(size);
}
} // QuickTimeVideo::tagDecoder
void QuickTimeVideo::discard(size_t size) {
size_t cur_pos = io_->tell();
io_->seek(cur_pos + size, BasicIo::beg);
} // QuickTimeVideo::discard
void QuickTimeVideo::previewTagDecoder(size_t size) {
DataBuf buf(4);
size_t cur_pos = io_->tell();
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.video.PreviewDate"] = buf.read_uint32(0, bigEndian);
io_->readOrThrow(buf.data(), 2);
xmpData_["Xmp.video.PreviewVersion"] = getShort(buf.data(), bigEndian);
io_->readOrThrow(buf.data(), 4);
if (equalsQTimeTag(buf, "PICT"))
xmpData_["Xmp.video.PreviewAtomType"] = "QuickDraw Picture";
else
xmpData_["Xmp.video.PreviewAtomType"] = std::string{buf.c_str(), 4};
io_->seek(cur_pos + size, BasicIo::beg);
} // QuickTimeVideo::previewTagDecoder
void QuickTimeVideo::keysTagDecoder(size_t size) {
DataBuf buf(4);
size_t cur_pos = io_->tell();
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.video.PreviewDate"] = buf.read_uint32(0, bigEndian);
io_->readOrThrow(buf.data(), 2);
xmpData_["Xmp.video.PreviewVersion"] = getShort(buf.data(), bigEndian);
io_->readOrThrow(buf.data(), 4);
if (equalsQTimeTag(buf, "PICT"))
xmpData_["Xmp.video.PreviewAtomType"] = "QuickDraw Picture";
else
xmpData_["Xmp.video.PreviewAtomType"] = std::string{buf.c_str(), 4};
io_->seek(cur_pos + size, BasicIo::beg);
} // QuickTimeVideo::keysTagDecoder
void QuickTimeVideo::trackApertureTagDecoder(size_t size) {
DataBuf buf(4), buf2(2);
size_t cur_pos = io_->tell();
byte n = 3;
while (n--) {
io_->seek(static_cast<long>(4), BasicIo::cur);
io_->readOrThrow(buf.data(), 4);
if (equalsQTimeTag(buf, "clef")) {
io_->seek(static_cast<long>(4), BasicIo::cur);
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.CleanApertureWidth"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.CleanApertureHeight"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
}
else if (equalsQTimeTag(buf, "prof")) {
io_->seek(static_cast<long>(4), BasicIo::cur);
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.ProductionApertureWidth"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.ProductionApertureHeight"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
}
else if (equalsQTimeTag(buf, "enof")) {
io_->seek(static_cast<long>(4), BasicIo::cur);
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.EncodedPixelsWidth"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
io_->readOrThrow(buf.data(), 2);
io_->readOrThrow(buf2.data(), 2);
xmpData_["Xmp.video.EncodedPixelsHeight"] =
Exiv2::toString(buf.read_uint16(0, bigEndian)) + "." + Exiv2::toString(buf2.read_uint16(0, bigEndian));
}
}
io_->seek(static_cast<long>(cur_pos + size), BasicIo::beg);
} // QuickTimeVideo::trackApertureTagDecoder
void QuickTimeVideo::CameraTagsDecoder(size_t size_external) {
size_t cur_pos = io_->tell();
DataBuf buf(50), buf2(4);
const TagDetails* td;
io_->readOrThrow(buf.data(), 4);
if (equalsQTimeTag(buf, "NIKO")) {
io_->seek(cur_pos, BasicIo::beg);
io_->readOrThrow(buf.data(), 24);
xmpData_["Xmp.video.Make"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 14);
xmpData_["Xmp.video.Model"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.video.ExposureTime"] = "1/" + Exiv2::toString(ceil(buf.read_uint32(0, littleEndian) / (double)10));
io_->readOrThrow(buf.data(), 4);
io_->readOrThrow(buf2.data(), 4);
xmpData_["Xmp.video.FNumber"] = buf.read_uint32(0, littleEndian) / (double)buf2.read_uint32(0, littleEndian);
io_->readOrThrow(buf.data(), 4);
io_->readOrThrow(buf2.data(), 4);
xmpData_["Xmp.video.ExposureCompensation"] =
buf.read_uint32(0, littleEndian) / (double)buf2.read_uint32(0, littleEndian);
io_->readOrThrow(buf.data(), 10);
io_->readOrThrow(buf.data(), 4);
td = find(whiteBalance, buf.read_uint32(0, littleEndian));
if (td)
xmpData_["Xmp.video.WhiteBalance"] = exvGettext(td->label_);
io_->readOrThrow(buf.data(), 4);
io_->readOrThrow(buf2.data(), 4);
xmpData_["Xmp.video.FocalLength"] = buf.read_uint32(0, littleEndian) / (double)buf2.read_uint32(0, littleEndian);
io_->seek(static_cast<long>(95), BasicIo::cur);
io_->readOrThrow(buf.data(), 48);
xmpData_["Xmp.video.Software"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.video.ISO"] = buf.read_uint32(0, littleEndian);
}
io_->seek(cur_pos + size_external, BasicIo::beg);
} // QuickTimeVideo::CameraTagsDecoder
void QuickTimeVideo::userDataDecoder(size_t size_external) {
size_t cur_pos = io_->tell();
const TagVocabulary* td;
const TagVocabulary *tv, *tv_internal;
const long bufMinSize = 100;
DataBuf buf(bufMinSize);
size_t size_internal = size_external;
std::memset(buf.data(), 0x0, buf.size());
while ((size_internal / 4 != 0) && (size_internal > 0)) {
buf.data()[4] = '\0';
io_->readOrThrow(buf.data(), 4);
const size_t size = buf.read_uint32(0, bigEndian);
if (size > size_internal)
break;
size_internal -= size;
io_->readOrThrow(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 <= 12)
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_->readOrThrow(buf.data(), size - 8);
xmpData_[exvGettext(tv->label_)] = Exiv2::toString(buf.data());
}
else if (equalsQTimeTag(buf, "CMbo") || equalsQTimeTag(buf, "Cmbo")) {
io_->readOrThrow(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) {
const size_t tv_size = size - 12;
if (tv_size > buf.size()) {
enforce(tv_size <= io_->size() - io_->tell(), Exiv2::ErrorCode::kerCorruptedMetadata);
buf.resize(tv_size);
}
io_->readOrThrow(buf.data(), 4);
io_->readOrThrow(buf.data(), tv_size);
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(size_t size_external) {
size_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_->readOrThrow(buf.data(), 4);
TagID = buf.read_uint32(0, bigEndian);
td = find(NikonNCTGTags, TagID);
io_->readOrThrow(buf.data(), 2);
dataType = buf.read_uint16(0, bigEndian);
std::memset(buf.data(), 0x0, buf.size());
io_->readOrThrow(buf.data(), 2);
if (TagID == 0x2000023) {
size_t local_pos = io_->tell();
dataLength = buf.read_uint16(0, bigEndian);
std::memset(buf.data(), 0x0, buf.size());
io_->readOrThrow(buf.data(), 4);
xmpData_["Xmp.video.PictureControlVersion"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 20);
xmpData_["Xmp.video.PictureControlName"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 20);
xmpData_["Xmp.video.PictureControlBase"] = Exiv2::toString(buf.data());
io_->readOrThrow(buf.data(), 4);
std::memset(buf.data(), 0x0, buf.size());
io_->readOrThrow(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_->readOrThrow(buf.data(), 1);
td2 = find(NormalSoftHard, (int)buf.data()[0] & 7);
if (td2)
xmpData_["Xmp.video.PictureControlQuickAdjust"] = exvGettext(td2->label_);
io_->readOrThrow(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_->readOrThrow(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_->readOrThrow(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_->readOrThrow(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_->readOrThrow(buf.data(), 1);
xmpData_["Xmp.video.HueAdjustment"] = (int)buf.data()[0] & 7;
io_->readOrThrow(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_->readOrThrow(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_->readOrThrow(buf.data(), 1);
xmpData_["Xmp.video.ToningSaturation"] = (int)buf.data()[0];
io_->seek(local_pos + dataLength, BasicIo::beg);
}
else if (TagID == 0x2000024) {
size_t local_pos = io_->tell();
dataLength = buf.read_uint16(0, bigEndian);
std::memset(buf.data(), 0x0, buf.size());
io_->readOrThrow(buf.data(), 2);
xmpData_["Xmp.video.TimeZone"] = Exiv2::getShort(buf.data(), bigEndian);
io_->readOrThrow(buf.data(), 1);
td2 = find(YesNo, (int)buf.data()[0]);
if (td2)
xmpData_["Xmp.video.DayLightSavings"] = exvGettext(td2->label_);
io_->readOrThrow(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 = buf.read_uint16(0, 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_->readOrThrow(buf.data(), dataLength);
}
if (td) {
xmpData_[exvGettext(td->label_)] = Exiv2::toString(buf.data());
}
} else if (dataType == 4) {
dataLength = buf.read_uint16(0, bigEndian) * 4;
std::memset(buf.data(), 0x0, buf.size());