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#------------------------------------------------------------------------------ |
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# File: Matroska.pm |
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# |
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# Description: Read meta information from Matroska multimedia files |
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# |
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# Revisions: 05/26/2010 - P. Harvey Created |
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# |
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# References: 1) http://www.matroska.org/technical/specs/index.html |
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#------------------------------------------------------------------------------ |
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package Image::ExifTool::Matroska; |
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use strict; |
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use vars qw($VERSION); |
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use Image::ExifTool qw(:DataAccess :Utils); |
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$VERSION = '1.11'; |
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my %noYes = ( 0 => 'No', 1 => 'Yes' ); |
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# Matroska tags |
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# Note: The tag ID's in the Matroska documentation include the length designation |
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# (the upper bits), which is not included in the tag ID's below |
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%Image::ExifTool::Matroska::Main = ( |
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GROUPS => { 2 => 'Video' }, |
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VARS => { NO_LOOKUP => 1 }, # omit tags from lookup |
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NOTES => q{ |
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The following tags are extracted from Matroska multimedia container files. |
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This container format is used by file types such as MKA, MKV, MKS and WEBM. |
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For speed, ExifTool extracts tags only up to the first Cluster unless the |
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L (-v) or L = 2 (-U) option is used. See |
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L for the official |
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Matroska specification. |
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}, |
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# supported Format's: signed, unsigned, float, date, string, utf8 |
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# (or undef by default) |
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# |
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# EBML Header |
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# |
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0xa45dfa3 => { |
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Name => 'EBMLHeader', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x286 => { Name => 'EBMLVersion', Format => 'unsigned' }, |
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0x2f7 => { Name => 'EBMLReadVersion', Format => 'unsigned' }, |
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0x2f2 => { Name => 'EBMLMaxIDLength', Format => 'unsigned', Unknown => 1 }, |
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0x2f3 => { Name => 'EBMLMaxSizeLength', Format => 'unsigned', Unknown => 1 }, |
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0x282 => { |
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Name => 'DocType', |
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Format => 'string', |
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# override FileType for "webm" files |
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RawConv => '$self->OverrideFileType("WEBM") if $val eq "webm"; $val', |
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}, |
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0x287 => { Name => 'DocTypeVersion', Format => 'unsigned' }, |
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0x285 => { Name => 'DocTypeReadVersion',Format => 'unsigned' }, |
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# |
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# General |
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# |
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0x3f => { Name => 'CRC-32', Binary => 1, Unknown => 1 }, |
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0x6c => { Name => 'Void', NoSave => 1, Unknown => 1 }, |
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# |
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# Signature |
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# |
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0xb538667 => { |
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Name => 'SignatureSlot', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x3e8a => { Name => 'SignatureAlgo', Format => 'unsigned' }, |
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0x3e9a => { Name => 'SignatureHash', Format => 'unsigned' }, |
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0x3ea5 => { Name =>'SignaturePublicKey',Binary => 1, Unknown => 1 }, |
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0x3eb5 => { Name => 'Signature', Binary => 1, Unknown => 1 }, |
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0x3e5b => { |
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Name => 'SignatureElements', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x3e7b => { |
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Name => 'SignatureElementList', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x2532 => { Name => 'SignedElement', Binary => 1, Unknown => 1 }, |
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# |
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# Segment |
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# |
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0x8538067 => { |
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Name => 'SegmentHeader', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x14d9b74 => { |
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Name => 'SeekHead', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0xdbb => { |
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Name => 'Seek', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x13ab => { Name => 'SeekID', Binary => 1, Unknown => 1 }, |
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0x13ac => { Name => 'SeekPosition', Format => 'unsigned', Unknown => 1 }, |
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# |
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# Segment Info |
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# |
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0x549a966 => { |
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Name => 'Info', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x33a4 => { Name => 'SegmentUID', Binary => 1, Unknown => 1 }, |
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0x3384 => { Name => 'SegmentFileName', Format => 'utf8' }, |
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0x1cb923 => { Name => 'PrevUID', Binary => 1, Unknown => 1 }, |
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0x1c83ab => { Name => 'PrevFileName', Format => 'utf8' }, |
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0x1eb923 => { Name => 'NextUID', Binary => 1, Unknown => 1 }, |
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0x1e83bb => { Name => 'NextFileName', Format => 'utf8' }, |
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0x0444 => { Name => 'SegmentFamily', Binary => 1, Unknown => 1 }, |
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0x2924 => { |
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Name => 'ChapterTranslate', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x29fc => { Name => 'ChapterTranslateEditionUID',Format => 'unsigned', Unknown => 1 }, |
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0x29bf => { |
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Name => 'ChapterTranslateCodec', |
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Format => 'unsigned', |
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PrintConv => { 0 => 'Matroska Script', 1 => 'DVD Menu' }, |
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}, |
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0x29a5 => { Name => 'ChapterTranslateID',Binary => 1, Unknown => 1 }, |
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0xad7b1 => { |
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Name => 'TimecodeScale', |
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Format => 'unsigned', |
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RawConv => '$$self{TimecodeScale} = $val', |
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ValueConv => '$val / 1e9', |
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PrintConv => '($val * 1000) . " ms"', |
129
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}, |
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0x489 => { |
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Name => 'Duration', |
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Format => 'float', |
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ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
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PrintConv => '$$self{TimecodeScale} ? ConvertDuration($val) : $val', |
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}, |
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0x461 => { |
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Name => 'DateTimeOriginal', # called "DateUTC" by the spec |
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Description => 'Date/Time Original', |
139
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Groups => { 2 => 'Time' }, |
140
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Format => 'date', |
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PrintConv => '$self->ConvertDateTime($val)', |
142
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}, |
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0x3ba9 => { Name => 'Title', Format => 'utf8' }, |
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0xd80 => { Name => 'MuxingApp', Format => 'utf8' }, |
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0x1741 => { Name => 'WritingApp', Format => 'utf8' }, |
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# |
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# Cluster |
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# |
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0xf43b675 => { |
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Name => 'Cluster', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x67 => { |
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Name => 'TimeCode', |
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Format => 'unsigned', |
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Unknown => 1, |
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ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
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PrintConv => '$$self{TimecodeScale} ? ConvertDuration($val) : $val', |
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}, |
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0x1854 => { |
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Name => 'SilentTracks', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x18d7 => { Name => 'SilentTrackNumber',Format => 'unsigned' }, |
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0x27 => { Name => 'Position', Format => 'unsigned' }, |
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0x2b => { Name => 'PrevSize', Format => 'unsigned' }, |
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0x23 => { Name => 'SimpleBlock', NoSave => 1, Unknown => 1 }, |
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0x20 => { |
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Name => 'BlockGroup', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x21 => { Name => 'Block', NoSave => 1, Unknown => 1 }, |
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0x22 => { Name => 'BlockVirtual', NoSave => 1, Unknown => 1 }, |
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0x35a1 => { |
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Name => 'BlockAdditions', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x26 => { |
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Name => 'BlockMore', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x6e => { Name => 'BlockAddID', Format => 'unsigned', Unknown => 1 }, |
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0x25 => { Name => 'BlockAdditional', NoSave => 1, Unknown => 1 }, |
184
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0x1b => { |
185
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Name => 'BlockDuration', |
186
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Format => 'unsigned', |
187
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Unknown => 1, |
188
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ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
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PrintConv => '$$self{TimecodeScale} ? "$val s" : $val', |
190
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}, |
191
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0x7a => { Name => 'ReferencePriority',Format => 'unsigned', Unknown => 1 }, |
192
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0x7b => { |
193
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Name => 'ReferenceBlock', |
194
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Format => 'signed', |
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Unknown => 1, |
196
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ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
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PrintConv => '$$self{TimecodeScale} ? "$val s" : $val', |
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}, |
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0x7d => { Name => 'ReferenceVirtual', Format => 'signed', Unknown => 1 }, |
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0x24 => { Name => 'CodecState', Binary => 1, Unknown => 1 }, |
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0x0e => { |
202
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Name => 'Slices', |
203
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
204
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}, |
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0x68 => { |
206
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Name => 'TimeSlice', |
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SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
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}, |
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0x4c => { Name => 'LaceNumber', Format => 'unsigned', Unknown => 1 }, |
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0x4d => { Name => 'FrameNumber', Format => 'unsigned', Unknown => 1 }, |
211
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0x4b => { Name => 'BlockAdditionalID',Format => 'unsigned', Unknown => 1 }, |
212
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|
|
0x4e => { Name => 'Delay', Format => 'unsigned', Unknown => 1 }, |
213
|
|
|
|
|
|
|
0x4f => { Name => 'ClusterDuration', Format => 'unsigned', Unknown => 1 }, |
214
|
|
|
|
|
|
|
0x2f => { Name => 'EncryptedBlock', NoSave => 1, Unknown => 1 }, |
215
|
|
|
|
|
|
|
# |
216
|
|
|
|
|
|
|
# Tracks |
217
|
|
|
|
|
|
|
# |
218
|
|
|
|
|
|
|
0x654ae6b => { |
219
|
|
|
|
|
|
|
Name => 'Tracks', |
220
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
221
|
|
|
|
|
|
|
}, |
222
|
|
|
|
|
|
|
0x2e => { |
223
|
|
|
|
|
|
|
Name => 'TrackEntry', |
224
|
|
|
|
|
|
|
# reset TrackType member at the start of each track |
225
|
|
|
|
|
|
|
Condition => 'delete $$self{TrackType}; 1', |
226
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
227
|
|
|
|
|
|
|
}, |
228
|
|
|
|
|
|
|
0x57 => { Name => 'TrackNumber', Format => 'unsigned' }, |
229
|
|
|
|
|
|
|
0x33c5 => { Name => 'TrackUID', Format => 'unsigned', Unknown => 1 }, |
230
|
|
|
|
|
|
|
0x03 => { |
231
|
|
|
|
|
|
|
Name => 'TrackType', |
232
|
|
|
|
|
|
|
Format => 'unsigned', |
233
|
|
|
|
|
|
|
PrintHex => 1, |
234
|
|
|
|
|
|
|
# remember types of all tracks encountered, as well as the current track type |
235
|
|
|
|
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|
|
RawConv => '$$self{TrackTypes}{$val} = 1; $$self{TrackType} = $val', |
236
|
|
|
|
|
|
|
PrintConv => { |
237
|
|
|
|
|
|
|
0x01 => 'Video', |
238
|
|
|
|
|
|
|
0x02 => 'Audio', |
239
|
|
|
|
|
|
|
0x03 => 'Complex', # (audio+video) |
240
|
|
|
|
|
|
|
0x10 => 'Logo', |
241
|
|
|
|
|
|
|
0x11 => 'Subtitle', |
242
|
|
|
|
|
|
|
0x12 => 'Buttons', |
243
|
|
|
|
|
|
|
0x20 => 'Control', |
244
|
|
|
|
|
|
|
}, |
245
|
|
|
|
|
|
|
}, |
246
|
|
|
|
|
|
|
0x39 => { Name => 'TrackUsed', Format => 'unsigned', PrintConv => \%noYes }, |
247
|
|
|
|
|
|
|
0x08 => { Name => 'TrackDefault', Format => 'unsigned', PrintConv => \%noYes }, |
248
|
|
|
|
|
|
|
0x15aa => { Name => 'TrackForced', Format => 'unsigned', PrintConv => \%noYes }, |
249
|
|
|
|
|
|
|
0x1c => { |
250
|
|
|
|
|
|
|
Name => 'TrackLacing', |
251
|
|
|
|
|
|
|
Format => 'unsigned', |
252
|
|
|
|
|
|
|
Unknown => 1, |
253
|
|
|
|
|
|
|
PrintConv => \%noYes, |
254
|
|
|
|
|
|
|
}, |
255
|
|
|
|
|
|
|
0x2de7 => { Name => 'MinCache', Format => 'unsigned', Unknown => 1 }, |
256
|
|
|
|
|
|
|
0x2df8 => { Name => 'MaxCache', Format => 'unsigned', Unknown => 1 }, |
257
|
|
|
|
|
|
|
0x3e383 => [ |
258
|
|
|
|
|
|
|
{ |
259
|
|
|
|
|
|
|
Name => 'VideoFrameRate', |
260
|
|
|
|
|
|
|
Condition => '$$self{TrackType} and $$self{TrackType} == 0x01', |
261
|
|
|
|
|
|
|
Format => 'unsigned', |
262
|
|
|
|
|
|
|
ValueConv => '$val ? 1e9 / $val : 0', |
263
|
|
|
|
|
|
|
PrintConv => 'int($val * 1000 + 0.5) / 1000', |
264
|
|
|
|
|
|
|
},{ |
265
|
|
|
|
|
|
|
Name => 'DefaultDuration', |
266
|
|
|
|
|
|
|
Format => 'unsigned', |
267
|
|
|
|
|
|
|
ValueConv => '$val / 1e9', |
268
|
|
|
|
|
|
|
PrintConv => '($val * 1000) . " ms"', |
269
|
|
|
|
|
|
|
} |
270
|
|
|
|
|
|
|
], |
271
|
|
|
|
|
|
|
0x3314f => { Name => 'TrackTimecodeScale',Format => 'float' }, |
272
|
|
|
|
|
|
|
0x137f => { Name => 'TrackOffset', Format => 'signed', Unknown => 1 }, |
273
|
|
|
|
|
|
|
0x15ee => { Name => 'MaxBlockAdditionID',Format => 'unsigned', Unknown => 1 }, |
274
|
|
|
|
|
|
|
0x136e => { Name => 'TrackName', Format => 'utf8' }, |
275
|
|
|
|
|
|
|
0x2b59c => { Name => 'TrackLanguage', Format => 'string' }, |
276
|
|
|
|
|
|
|
0x06 => [ |
277
|
|
|
|
|
|
|
{ |
278
|
|
|
|
|
|
|
Name => 'VideoCodecID', |
279
|
|
|
|
|
|
|
Condition => '$$self{TrackType} and $$self{TrackType} == 0x01', |
280
|
|
|
|
|
|
|
Format => 'string', |
281
|
|
|
|
|
|
|
},{ |
282
|
|
|
|
|
|
|
Name => 'AudioCodecID', |
283
|
|
|
|
|
|
|
Condition => '$$self{TrackType} and $$self{TrackType} == 0x02', |
284
|
|
|
|
|
|
|
Format => 'string', |
285
|
|
|
|
|
|
|
},{ |
286
|
|
|
|
|
|
|
Name => 'CodecID', |
287
|
|
|
|
|
|
|
Format => 'string', |
288
|
|
|
|
|
|
|
} |
289
|
|
|
|
|
|
|
], |
290
|
|
|
|
|
|
|
0x23a2 => { Name => 'CodecPrivate', Binary => 1, Unknown => 1 }, |
291
|
|
|
|
|
|
|
0x58688 => [ |
292
|
|
|
|
|
|
|
{ |
293
|
|
|
|
|
|
|
Name => 'VideoCodecName', |
294
|
|
|
|
|
|
|
Condition => '$$self{TrackType} and $$self{TrackType} == 0x01', |
295
|
|
|
|
|
|
|
Format => 'utf8', |
296
|
|
|
|
|
|
|
},{ |
297
|
|
|
|
|
|
|
Name => 'AudioCodecName', |
298
|
|
|
|
|
|
|
Condition => '$$self{TrackType} and $$self{TrackType} == 0x02', |
299
|
|
|
|
|
|
|
Format => 'utf8', |
300
|
|
|
|
|
|
|
},{ |
301
|
|
|
|
|
|
|
Name => 'CodecName', |
302
|
|
|
|
|
|
|
Format => 'utf8', |
303
|
|
|
|
|
|
|
} |
304
|
|
|
|
|
|
|
], |
305
|
|
|
|
|
|
|
0x3446 => { Name => 'TrackAttachmentUID',Format => 'unsigned' }, |
306
|
|
|
|
|
|
|
0x1a9697=>{ Name => 'CodecSettings', Format => 'utf8' }, |
307
|
|
|
|
|
|
|
0x1b4040=>{ Name => 'CodecInfoURL', Format => 'string' }, |
308
|
|
|
|
|
|
|
0x6b240 =>{ Name => 'CodecDownloadURL', Format => 'string' }, |
309
|
|
|
|
|
|
|
0x2a => { Name => 'CodecDecodeAll', Format => 'unsigned', PrintConv => \%noYes }, |
310
|
|
|
|
|
|
|
0x2fab => { Name => 'TrackOverlay', Format => 'unsigned', Unknown => 1 }, |
311
|
|
|
|
|
|
|
0x2624 => { |
312
|
|
|
|
|
|
|
Name => 'TrackTranslate', |
313
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
314
|
|
|
|
|
|
|
}, |
315
|
|
|
|
|
|
|
0x26fc => { Name => 'TrackTranslateEditionUID',Format => 'unsigned', Unknown => 1 }, |
316
|
|
|
|
|
|
|
0x26bf => { |
317
|
|
|
|
|
|
|
Name => 'TrackTranslateCodec', |
318
|
|
|
|
|
|
|
Format => 'unsigned', |
319
|
|
|
|
|
|
|
PrintConv => { 0 => 'Matroska Script', 1 => 'DVD Menu' }, |
320
|
|
|
|
|
|
|
}, |
321
|
|
|
|
|
|
|
0x26a5 => { Name => 'TrackTranslateTrackID', Binary => 1, Unknown => 1 }, |
322
|
|
|
|
|
|
|
# |
323
|
|
|
|
|
|
|
# Video |
324
|
|
|
|
|
|
|
# |
325
|
|
|
|
|
|
|
0x60 => { |
326
|
|
|
|
|
|
|
Name => 'Video', |
327
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
328
|
|
|
|
|
|
|
}, |
329
|
|
|
|
|
|
|
0x1a => { |
330
|
|
|
|
|
|
|
Name => 'VideoScanType', |
331
|
|
|
|
|
|
|
Format => 'unsigned', |
332
|
|
|
|
|
|
|
PrintConv => { |
333
|
|
|
|
|
|
|
0 => 'Progressive', |
334
|
|
|
|
|
|
|
1 => 'Interlaced', |
335
|
|
|
|
|
|
|
}, |
336
|
|
|
|
|
|
|
}, |
337
|
|
|
|
|
|
|
0x13b8 => { |
338
|
|
|
|
|
|
|
Name => 'Stereo3DMode', |
339
|
|
|
|
|
|
|
Format => 'unsigned', |
340
|
|
|
|
|
|
|
Printconv => { |
341
|
|
|
|
|
|
|
0 => 'Mono', |
342
|
|
|
|
|
|
|
1 => 'Right Eye', |
343
|
|
|
|
|
|
|
2 => 'Left Eye', |
344
|
|
|
|
|
|
|
3 => 'Both Eyes', |
345
|
|
|
|
|
|
|
}, |
346
|
|
|
|
|
|
|
}, |
347
|
|
|
|
|
|
|
0x30 => { Name => 'ImageWidth', Format => 'unsigned' }, |
348
|
|
|
|
|
|
|
0x3a => { Name => 'ImageHeight', Format => 'unsigned' }, |
349
|
|
|
|
|
|
|
0x14aa => { Name => 'CropBottom', Format => 'unsigned' }, |
350
|
|
|
|
|
|
|
0x14bb => { Name => 'CropTop', Format => 'unsigned' }, |
351
|
|
|
|
|
|
|
0x14cc => { Name => 'CropLeft', Format => 'unsigned' }, |
352
|
|
|
|
|
|
|
0x14dd => { Name => 'CropRight', Format => 'unsigned' }, |
353
|
|
|
|
|
|
|
0x14b0 => { Name => 'DisplayWidth', Format => 'unsigned' }, |
354
|
|
|
|
|
|
|
0x14ba => { Name => 'DisplayHeight', Format => 'unsigned' }, |
355
|
|
|
|
|
|
|
0x14b2 => { |
356
|
|
|
|
|
|
|
Name => 'DisplayUnit', |
357
|
|
|
|
|
|
|
Format => 'unsigned', |
358
|
|
|
|
|
|
|
PrintConv => { |
359
|
|
|
|
|
|
|
0 => 'Pixels', |
360
|
|
|
|
|
|
|
1 => 'cm', |
361
|
|
|
|
|
|
|
2 => 'inches', |
362
|
|
|
|
|
|
|
}, |
363
|
|
|
|
|
|
|
}, |
364
|
|
|
|
|
|
|
0x14b3 => { |
365
|
|
|
|
|
|
|
Name => 'AspectRatioType', |
366
|
|
|
|
|
|
|
Format => 'unsigned', |
367
|
|
|
|
|
|
|
PrintConv => { |
368
|
|
|
|
|
|
|
0 => 'Free Resizing', |
369
|
|
|
|
|
|
|
1 => 'Keep Aspect Ratio', |
370
|
|
|
|
|
|
|
2 => 'Fixed', |
371
|
|
|
|
|
|
|
}, |
372
|
|
|
|
|
|
|
}, |
373
|
|
|
|
|
|
|
0xeb524 => { Name => 'ColorSpace', Binary => 1, Unknown => 1 }, |
374
|
|
|
|
|
|
|
0xfb523 => { Name => 'Gamma', Format => 'float' }, |
375
|
|
|
|
|
|
|
0x383e3 => { Name => 'FrameRate', Format => 'float' }, |
376
|
|
|
|
|
|
|
# |
377
|
|
|
|
|
|
|
# Audio |
378
|
|
|
|
|
|
|
# |
379
|
|
|
|
|
|
|
0x61 => { |
380
|
|
|
|
|
|
|
Name => 'Audio', |
381
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
382
|
|
|
|
|
|
|
}, |
383
|
|
|
|
|
|
|
0x35 => { Name => 'AudioSampleRate', Format => 'float', Groups => { 2 => 'Audio' } }, |
384
|
|
|
|
|
|
|
0x38b5 => { Name => 'OutputAudioSampleRate',Format => 'float', Groups => { 2 => 'Audio' } }, |
385
|
|
|
|
|
|
|
0x1f => { Name => 'AudioChannels', Format => 'unsigned', Groups => { 2 => 'Audio' } }, |
386
|
|
|
|
|
|
|
0x3d7b => { |
387
|
|
|
|
|
|
|
Name => 'ChannelPositions', |
388
|
|
|
|
|
|
|
Binary => 1, |
389
|
|
|
|
|
|
|
Unknown => 1, |
390
|
|
|
|
|
|
|
Groups => { 2 => 'Audio' }, |
391
|
|
|
|
|
|
|
}, |
392
|
|
|
|
|
|
|
0x2264 => { Name => 'AudioBitsPerSample', Format => 'unsigned', Groups => { 2 => 'Audio' } }, |
393
|
|
|
|
|
|
|
# |
394
|
|
|
|
|
|
|
# Content Encoding |
395
|
|
|
|
|
|
|
# |
396
|
|
|
|
|
|
|
0x2d80 => { |
397
|
|
|
|
|
|
|
Name => 'ContentEncodings', |
398
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
399
|
|
|
|
|
|
|
}, |
400
|
|
|
|
|
|
|
0x2240 => { |
401
|
|
|
|
|
|
|
Name => 'ContentEncoding', |
402
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
403
|
|
|
|
|
|
|
}, |
404
|
|
|
|
|
|
|
0x1031 => { Name => 'ContentEncodingOrder', Format => 'unsigned', Unknown => 1 }, |
405
|
|
|
|
|
|
|
0x1032 => { Name => 'ContentEncodingScope', Format => 'unsigned', Unknown => 1 }, |
406
|
|
|
|
|
|
|
0x1033 => { |
407
|
|
|
|
|
|
|
Name => 'ContentEncodingType', |
408
|
|
|
|
|
|
|
Format => 'unsigned', |
409
|
|
|
|
|
|
|
PrintConv => { 0 => 'Compression', 1 => 'Encryption' }, |
410
|
|
|
|
|
|
|
}, |
411
|
|
|
|
|
|
|
0x1034 => { |
412
|
|
|
|
|
|
|
Name => 'ContentCompression', |
413
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
414
|
|
|
|
|
|
|
}, |
415
|
|
|
|
|
|
|
0x254 => { |
416
|
|
|
|
|
|
|
Name => 'ContentCompressionAlgorithm', |
417
|
|
|
|
|
|
|
Format => 'unsigned', |
418
|
|
|
|
|
|
|
PrintConv => { |
419
|
|
|
|
|
|
|
0 => 'zlib', |
420
|
|
|
|
|
|
|
1 => 'bzlib', |
421
|
|
|
|
|
|
|
2 => 'lzo1x', |
422
|
|
|
|
|
|
|
3 => 'Header Stripping', |
423
|
|
|
|
|
|
|
}, |
424
|
|
|
|
|
|
|
}, |
425
|
|
|
|
|
|
|
0x255 => { Name => 'ContentCompressionSettings',Binary => 1, Unknown => 1 }, |
426
|
|
|
|
|
|
|
0x1035 => { |
427
|
|
|
|
|
|
|
Name => 'ContentEncryption', |
428
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
429
|
|
|
|
|
|
|
}, |
430
|
|
|
|
|
|
|
0x7e1 => { |
431
|
|
|
|
|
|
|
Name => 'ContentEncryptionAlgorithm', |
432
|
|
|
|
|
|
|
Format => 'unsigned', |
433
|
|
|
|
|
|
|
PrintConv => { |
434
|
|
|
|
|
|
|
0 => 'Not Encrypted', |
435
|
|
|
|
|
|
|
1 => 'DES', |
436
|
|
|
|
|
|
|
2 => '3DES', |
437
|
|
|
|
|
|
|
3 => 'Twofish', |
438
|
|
|
|
|
|
|
4 => 'Blowfish', |
439
|
|
|
|
|
|
|
5 => 'AES', |
440
|
|
|
|
|
|
|
}, |
441
|
|
|
|
|
|
|
}, |
442
|
|
|
|
|
|
|
0x7e2 => { Name => 'ContentEncryptionKeyID',Binary => 1, Unknown => 1 }, |
443
|
|
|
|
|
|
|
0x7e3 => { Name => 'ContentSignature', Binary => 1, Unknown => 1 }, |
444
|
|
|
|
|
|
|
0x7e4 => { Name => 'ContentSignatureKeyID', Binary => 1, Unknown => 1 }, |
445
|
|
|
|
|
|
|
0x7e5 => { |
446
|
|
|
|
|
|
|
Name => 'ContentSignatureAlgorithm', |
447
|
|
|
|
|
|
|
Format => 'unsigned', |
448
|
|
|
|
|
|
|
PrintConv => { |
449
|
|
|
|
|
|
|
0 => 'Not Signed', |
450
|
|
|
|
|
|
|
1 => 'RSA', |
451
|
|
|
|
|
|
|
}, |
452
|
|
|
|
|
|
|
}, |
453
|
|
|
|
|
|
|
0x7e6 => { |
454
|
|
|
|
|
|
|
Name => 'ContentSignatureHashAlgorithm', |
455
|
|
|
|
|
|
|
Format => 'unsigned', |
456
|
|
|
|
|
|
|
PrintConv => { |
457
|
|
|
|
|
|
|
0 => 'Not Signed', |
458
|
|
|
|
|
|
|
1 => 'SHA1-160', |
459
|
|
|
|
|
|
|
2 => 'MD5', |
460
|
|
|
|
|
|
|
}, |
461
|
|
|
|
|
|
|
}, |
462
|
|
|
|
|
|
|
# |
463
|
|
|
|
|
|
|
# Cues |
464
|
|
|
|
|
|
|
# |
465
|
|
|
|
|
|
|
0xc53bb6b => { |
466
|
|
|
|
|
|
|
Name => 'Cues', |
467
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
468
|
|
|
|
|
|
|
}, |
469
|
|
|
|
|
|
|
0x3b => { |
470
|
|
|
|
|
|
|
Name => 'CuePoint', |
471
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
472
|
|
|
|
|
|
|
}, |
473
|
|
|
|
|
|
|
0x33 => { |
474
|
|
|
|
|
|
|
Name => 'CueTime', |
475
|
|
|
|
|
|
|
Format => 'unsigned', |
476
|
|
|
|
|
|
|
Unknown => 1, |
477
|
|
|
|
|
|
|
ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
478
|
|
|
|
|
|
|
PrintConv => '$$self{TimecodeScale} ? ConvertDuration($val) : $val', |
479
|
|
|
|
|
|
|
}, |
480
|
|
|
|
|
|
|
0x37 => { |
481
|
|
|
|
|
|
|
Name => 'CueTrackPositions', |
482
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
483
|
|
|
|
|
|
|
}, |
484
|
|
|
|
|
|
|
0x77 => { Name => 'CueTrack', Format => 'unsigned', Unknown => 1 }, |
485
|
|
|
|
|
|
|
0x71 => { Name => 'CueClusterPosition',Format => 'unsigned', Unknown => 1 }, |
486
|
|
|
|
|
|
|
0x1378 => { Name => 'CueBlockNumber', Format => 'unsigned', Unknown => 1 }, |
487
|
|
|
|
|
|
|
0x6a => { Name => 'CueCodecState', Format => 'unsigned', Unknown => 1 }, |
488
|
|
|
|
|
|
|
0x5b => { |
489
|
|
|
|
|
|
|
Name => 'CueReference', |
490
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
491
|
|
|
|
|
|
|
}, |
492
|
|
|
|
|
|
|
0x16 => { |
493
|
|
|
|
|
|
|
Name => 'CueRefTime', |
494
|
|
|
|
|
|
|
Format => 'unsigned', |
495
|
|
|
|
|
|
|
Unknown => 1, |
496
|
|
|
|
|
|
|
ValueConv => '$$self{TimecodeScale} ? $val * $$self{TimecodeScale} / 1e9 : $val', |
497
|
|
|
|
|
|
|
PrintConv => '$$self{TimecodeScale} ? ConvertDuration($val) : $val', |
498
|
|
|
|
|
|
|
}, |
499
|
|
|
|
|
|
|
0x17 => { Name => 'CueRefCluster', Format => 'unsigned', Unknown => 1 }, |
500
|
|
|
|
|
|
|
0x135f=> { Name => 'CueRefNumber', Format => 'unsigned', Unknown => 1 }, |
501
|
|
|
|
|
|
|
0x6b => { Name => 'CueRefCodecState', Format => 'unsigned', Unknown => 1 }, |
502
|
|
|
|
|
|
|
# |
503
|
|
|
|
|
|
|
# Attachments |
504
|
|
|
|
|
|
|
# |
505
|
|
|
|
|
|
|
0x941a469 => { |
506
|
|
|
|
|
|
|
Name => 'Attachments', |
507
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
508
|
|
|
|
|
|
|
}, |
509
|
|
|
|
|
|
|
0x21a7 => { |
510
|
|
|
|
|
|
|
Name => 'AttachedFile', |
511
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
512
|
|
|
|
|
|
|
}, |
513
|
|
|
|
|
|
|
0x67e => { Name => 'AttachedFileDescription',Format => 'utf8' }, |
514
|
|
|
|
|
|
|
0x66e => { Name => 'AttachedFileName', Format => 'utf8' }, |
515
|
|
|
|
|
|
|
0x660 => { Name => 'AttachedFileMIMEType', Format => 'string' }, |
516
|
|
|
|
|
|
|
0x65c => { Name => 'AttachedFileData', Binary => 1 }, |
517
|
|
|
|
|
|
|
0x6ae => { Name => 'AttachedFileUID', Format => 'unsigned' }, |
518
|
|
|
|
|
|
|
0x675 => { Name => 'AttachedFileReferral', Binary => 1, Unknown => 1 }, |
519
|
|
|
|
|
|
|
# |
520
|
|
|
|
|
|
|
# Chapters |
521
|
|
|
|
|
|
|
# |
522
|
|
|
|
|
|
|
0x43a770 => { |
523
|
|
|
|
|
|
|
Name => 'Chapters', |
524
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
525
|
|
|
|
|
|
|
}, |
526
|
|
|
|
|
|
|
0x5b9 => { |
527
|
|
|
|
|
|
|
Name => 'EditionEntry', |
528
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
529
|
|
|
|
|
|
|
}, |
530
|
|
|
|
|
|
|
0x5bc => { Name => 'EditionUID', Format => 'unsigned', Unknown => 1 }, |
531
|
|
|
|
|
|
|
0x5bd => { Name => 'EditionFlagHidden', Format => 'unsigned', Unknown => 1 }, |
532
|
|
|
|
|
|
|
0x5db => { Name => 'EditionFlagDefault',Format => 'unsigned', Unknown => 1 }, |
533
|
|
|
|
|
|
|
0x5dd => { Name => 'EditionFlagOrdered',Format => 'unsigned', Unknown => 1 }, |
534
|
|
|
|
|
|
|
0x36 => { |
535
|
|
|
|
|
|
|
Name => 'ChapterAtom', |
536
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
537
|
|
|
|
|
|
|
}, |
538
|
|
|
|
|
|
|
0x33c4 => { Name => 'ChapterUID', Format => 'unsigned', Unknown => 1 }, |
539
|
|
|
|
|
|
|
0x11 => { |
540
|
|
|
|
|
|
|
Name => 'ChapterTimeStart', |
541
|
|
|
|
|
|
|
Groups => { 1 => 'Chapter#' }, |
542
|
|
|
|
|
|
|
Format => 'unsigned', |
543
|
|
|
|
|
|
|
ValueConv => '$val / 1e9', |
544
|
|
|
|
|
|
|
PrintConv => 'ConvertDuration($val)', |
545
|
|
|
|
|
|
|
}, |
546
|
|
|
|
|
|
|
0x12 => { |
547
|
|
|
|
|
|
|
Name => 'ChapterTimeEnd', |
548
|
|
|
|
|
|
|
Format => 'unsigned', |
549
|
|
|
|
|
|
|
ValueConv => '$val / 1e9', |
550
|
|
|
|
|
|
|
PrintConv => 'ConvertDuration($val)', |
551
|
|
|
|
|
|
|
}, |
552
|
|
|
|
|
|
|
0x18 => { Name => 'ChapterFlagHidden', Format => 'unsigned', Unknown => 1 }, |
553
|
|
|
|
|
|
|
0x598 => { Name => 'ChapterFlagEnabled',Format => 'unsigned', Unknown => 1 }, |
554
|
|
|
|
|
|
|
0x2e67=> { Name => 'ChapterSegmentUID', Binary => 1, Unknown => 1 }, |
555
|
|
|
|
|
|
|
0x2ebc=> { Name => 'ChapterSegmentEditionUID', Binary => 1, Unknown => 1 }, |
556
|
|
|
|
|
|
|
0x23c3 => { |
557
|
|
|
|
|
|
|
Name => 'ChapterPhysicalEquivalent', |
558
|
|
|
|
|
|
|
Format => 'unsigned', |
559
|
|
|
|
|
|
|
PrintConv => { |
560
|
|
|
|
|
|
|
10 => 'Index', |
561
|
|
|
|
|
|
|
20 => 'Track', |
562
|
|
|
|
|
|
|
30 => 'Session', |
563
|
|
|
|
|
|
|
40 => 'Layer', |
564
|
|
|
|
|
|
|
50 => 'Side', |
565
|
|
|
|
|
|
|
60 => 'CD / DVD', |
566
|
|
|
|
|
|
|
70 => 'Set / Package', |
567
|
|
|
|
|
|
|
}, |
568
|
|
|
|
|
|
|
}, |
569
|
|
|
|
|
|
|
0x0f => { |
570
|
|
|
|
|
|
|
Name => 'ChapterTrack', |
571
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
572
|
|
|
|
|
|
|
}, |
573
|
|
|
|
|
|
|
0x09 => { Name => 'ChapterTrackNumber', Format => 'unsigned', Unknown => 1 }, |
574
|
|
|
|
|
|
|
0x00 => { |
575
|
|
|
|
|
|
|
Name => 'ChapterDisplay', |
576
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
577
|
|
|
|
|
|
|
}, |
578
|
|
|
|
|
|
|
0x05 => { Name => 'ChapterString', Format => 'utf8' }, |
579
|
|
|
|
|
|
|
0x37c => { Name => 'ChapterLanguage', Format => 'string' }, |
580
|
|
|
|
|
|
|
0x37e => { Name => 'ChapterCountry', Format => 'string' }, |
581
|
|
|
|
|
|
|
0x2944 => { |
582
|
|
|
|
|
|
|
Name => 'ChapterProcess', |
583
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
584
|
|
|
|
|
|
|
}, |
585
|
|
|
|
|
|
|
0x2955 => { |
586
|
|
|
|
|
|
|
Name => 'ChapterProcessCodecID', |
587
|
|
|
|
|
|
|
Format => 'unsigned', |
588
|
|
|
|
|
|
|
Unknown => 1, |
589
|
|
|
|
|
|
|
PrintConv => { 0 => 'Matroska', 1 => 'DVD' }, |
590
|
|
|
|
|
|
|
}, |
591
|
|
|
|
|
|
|
0x50d => { Name => 'ChapterProcessPrivate', Binary => 1, Unknown => 1 }, |
592
|
|
|
|
|
|
|
0x2911 => { |
593
|
|
|
|
|
|
|
Name => 'ChapterProcessCommand', |
594
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
595
|
|
|
|
|
|
|
}, |
596
|
|
|
|
|
|
|
0x2922 => { |
597
|
|
|
|
|
|
|
Name => 'ChapterProcessTime', |
598
|
|
|
|
|
|
|
Format => 'unsigned', |
599
|
|
|
|
|
|
|
Unknown => 1, |
600
|
|
|
|
|
|
|
PrintConv => { |
601
|
|
|
|
|
|
|
0 => 'For Duration of Chapter', |
602
|
|
|
|
|
|
|
1 => 'Before Chapter', |
603
|
|
|
|
|
|
|
2 => 'After Chapter', |
604
|
|
|
|
|
|
|
}, |
605
|
|
|
|
|
|
|
}, |
606
|
|
|
|
|
|
|
0x2933 => { Name => 'ChapterProcessData', Binary => 1, Unknown => 1 }, |
607
|
|
|
|
|
|
|
# |
608
|
|
|
|
|
|
|
# Tags |
609
|
|
|
|
|
|
|
# |
610
|
|
|
|
|
|
|
0x254c367 => { |
611
|
|
|
|
|
|
|
Name => 'Tags', |
612
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
613
|
|
|
|
|
|
|
}, |
614
|
|
|
|
|
|
|
0x3373 => { |
615
|
|
|
|
|
|
|
Name => 'Tag', |
616
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
617
|
|
|
|
|
|
|
}, |
618
|
|
|
|
|
|
|
0x23c0 => { |
619
|
|
|
|
|
|
|
Name => 'Targets', |
620
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
621
|
|
|
|
|
|
|
}, |
622
|
|
|
|
|
|
|
0x28ca => { Name => 'TargetTypeValue', Format => 'unsigned' }, |
623
|
|
|
|
|
|
|
0x23ca => { Name => 'TargetType', Format => 'string' }, |
624
|
|
|
|
|
|
|
0x23c5 => { Name => 'TagTrackUID', Format => 'unsigned', Unknown => 1 }, |
625
|
|
|
|
|
|
|
0x23c9 => { Name => 'TagEditionUID', Format => 'unsigned', Unknown => 1 }, |
626
|
|
|
|
|
|
|
0x23c4 => { Name => 'TagChapterUID', Format => 'unsigned', Unknown => 1 }, |
627
|
|
|
|
|
|
|
0x23c6 => { Name => 'TagAttachmentUID', Format => 'unsigned', Unknown => 1 }, |
628
|
|
|
|
|
|
|
0x27c8 => { |
629
|
|
|
|
|
|
|
Name => 'SimpleTag', |
630
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Main' }, |
631
|
|
|
|
|
|
|
}, |
632
|
|
|
|
|
|
|
0x5a3 => { Name => 'TagName', Format => 'utf8' }, |
633
|
|
|
|
|
|
|
0x47a => { Name => 'TagLanguage', Format => 'string' }, |
634
|
|
|
|
|
|
|
0x484 => { Name => 'TagDefault', Format => 'unsigned', PrintConv => \%noYes }, |
635
|
|
|
|
|
|
|
0x487 => { Name => 'TagString', Format => 'utf8' }, |
636
|
|
|
|
|
|
|
0x485 => { Name => 'TagBinary', Binary => 1 }, |
637
|
|
|
|
|
|
|
# |
638
|
|
|
|
|
|
|
# Spherical Video V2 (untested) |
639
|
|
|
|
|
|
|
# |
640
|
|
|
|
|
|
|
0x7670 => { |
641
|
|
|
|
|
|
|
Name => 'Projection', |
642
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::Matroska::Projection' }, |
643
|
|
|
|
|
|
|
}, |
644
|
|
|
|
|
|
|
); |
645
|
|
|
|
|
|
|
|
646
|
|
|
|
|
|
|
# Spherical video v2 projection tags (ref https://github.com/google/spatial-media/blob/master/docs/spherical-video-v2-rfc.md) |
647
|
|
|
|
|
|
|
%Image::ExifTool::Matroska::Projection = ( |
648
|
|
|
|
|
|
|
GROUPS => { 2 => 'Video' }, |
649
|
|
|
|
|
|
|
VARS => { NO_LOOKUP => 1 }, # omit tags from lookup |
650
|
|
|
|
|
|
|
NOTES => q{ |
651
|
|
|
|
|
|
|
Projection tags defined by the Spherical Video V2 specification. See |
652
|
|
|
|
|
|
|
L |
653
|
|
|
|
|
|
|
for the specification. |
654
|
|
|
|
|
|
|
}, |
655
|
|
|
|
|
|
|
0x7671 => { |
656
|
|
|
|
|
|
|
Name => 'ProjectionType', |
657
|
|
|
|
|
|
|
Format => 'unsigned', |
658
|
|
|
|
|
|
|
DataMember => 'ProjectionType', |
659
|
|
|
|
|
|
|
RawConv => '$$self{ProjectionType} = $val', |
660
|
|
|
|
|
|
|
PrintConv => { |
661
|
|
|
|
|
|
|
0 => 'Rectangular', |
662
|
|
|
|
|
|
|
1 => 'Equirectangular', |
663
|
|
|
|
|
|
|
2 => 'Cubemap', |
664
|
|
|
|
|
|
|
3 => 'Mesh', |
665
|
|
|
|
|
|
|
}, |
666
|
|
|
|
|
|
|
}, |
667
|
|
|
|
|
|
|
# ProjectionPrivate in the spec |
668
|
|
|
|
|
|
|
0x7672 => [{ |
669
|
|
|
|
|
|
|
Name => 'EquirectangularProj', |
670
|
|
|
|
|
|
|
Condition => '$$self{ProjectionType} == 1', |
671
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::QuickTime::equi' }, |
672
|
|
|
|
|
|
|
},{ |
673
|
|
|
|
|
|
|
Name => 'CubemapProj', |
674
|
|
|
|
|
|
|
Condition => '$$self{ProjectionType} == 2', |
675
|
|
|
|
|
|
|
SubDirectory => { TagTable => 'Image::ExifTool::QuickTime::cbmp' }, |
676
|
|
|
|
|
|
|
},{ # (don't decode 3 because it is a PITA) |
677
|
|
|
|
|
|
|
Name => 'ProjectionPrivate', |
678
|
|
|
|
|
|
|
Binary => 1, |
679
|
|
|
|
|
|
|
}], |
680
|
|
|
|
|
|
|
0x7673 => { Name => 'ProjectionPoseYaw', Format => 'float' }, |
681
|
|
|
|
|
|
|
0x7674 => { Name => 'ProjectionPosePitch', Format => 'float' }, |
682
|
|
|
|
|
|
|
0x7675 => { Name => 'ProjectionPoseRoll', Format => 'float' }, |
683
|
|
|
|
|
|
|
); |
684
|
|
|
|
|
|
|
|
685
|
|
|
|
|
|
|
#------------------------------------------------------------------------------ |
686
|
|
|
|
|
|
|
# Get variable-length Matroska integer |
687
|
|
|
|
|
|
|
# Inputs: 0) data buffer, 1) position in data |
688
|
|
|
|
|
|
|
# Returns: integer value and updates position, -1 for unknown/reserved value, |
689
|
|
|
|
|
|
|
# or undef if no data left |
690
|
|
|
|
|
|
|
sub GetVInt($$) |
691
|
|
|
|
|
|
|
{ |
692
|
132
|
100
|
|
132
|
0
|
212
|
return undef if $_[1] >= length $_[0]; |
693
|
131
|
|
|
|
|
195
|
my $val = ord(substr($_[0], $_[1]++)); |
694
|
131
|
|
|
|
|
139
|
my $num = 0; |
695
|
131
|
50
|
|
|
|
193
|
unless ($val) { |
696
|
0
|
0
|
|
|
|
0
|
return undef if $_[1] >= length $_[0]; |
697
|
0
|
|
|
|
|
0
|
$val = ord(substr($_[0], $_[1]++)); |
698
|
0
|
0
|
|
|
|
0
|
return undef unless $val; # can't be this large! |
699
|
0
|
|
|
|
|
0
|
$num += 7; # 7 more bytes to read (we just read one) |
700
|
|
|
|
|
|
|
} |
701
|
131
|
|
|
|
|
136
|
my $mask = 0x7f; |
702
|
131
|
|
|
|
|
202
|
while ($val == ($val & $mask)) { |
703
|
67
|
|
|
|
|
72
|
$mask >>= 1; |
704
|
67
|
|
|
|
|
99
|
++$num; |
705
|
|
|
|
|
|
|
} |
706
|
131
|
|
|
|
|
160
|
$val = ($val & $mask); |
707
|
131
|
|
|
|
|
160
|
my $unknown = ($val == $mask); |
708
|
131
|
50
|
|
|
|
198
|
return undef if $_[1] + $num > length $_[0]; |
709
|
131
|
|
|
|
|
177
|
while ($num) { |
710
|
67
|
|
|
|
|
88
|
my $b = ord(substr($_[0], $_[1]++)); |
711
|
67
|
50
|
|
|
|
103
|
$unknown = 0 if $b != 0xff; |
712
|
67
|
|
|
|
|
71
|
$val = $val * 256 + $b; |
713
|
67
|
|
|
|
|
97
|
--$num; |
714
|
|
|
|
|
|
|
} |
715
|
131
|
50
|
|
|
|
204
|
return $unknown ? -1 : $val; |
716
|
|
|
|
|
|
|
} |
717
|
|
|
|
|
|
|
|
718
|
|
|
|
|
|
|
#------------------------------------------------------------------------------ |
719
|
|
|
|
|
|
|
# Read information from a Matroska multimedia file (MKV, MKA, MKS) |
720
|
|
|
|
|
|
|
# Inputs: 0) ExifTool object reference, 1) Directory information reference |
721
|
|
|
|
|
|
|
# Returns: 1 on success, 0 if this wasn't a valid Matroska file |
722
|
|
|
|
|
|
|
sub ProcessMKV($$) |
723
|
|
|
|
|
|
|
{ |
724
|
1
|
|
|
1
|
0
|
4
|
my ($et, $dirInfo) = @_; |
725
|
1
|
|
|
|
|
2
|
my $raf = $$dirInfo{RAF}; |
726
|
1
|
|
|
|
|
2
|
my ($buff, $buf2, @dirEnd, $trackIndent, %trackTypes); |
727
|
|
|
|
|
|
|
|
728
|
1
|
50
|
|
|
|
3
|
$raf->Read($buff, 4) == 4 or return 0; |
729
|
1
|
50
|
|
|
|
5
|
return 0 unless $buff =~ /^\x1a\x45\xdf\xa3/; |
730
|
|
|
|
|
|
|
|
731
|
|
|
|
|
|
|
# read in 64kB blocks (already read 4 bytes) |
732
|
1
|
50
|
|
|
|
4
|
$raf->Read($buff, 65532) or return 0; |
733
|
1
|
|
|
|
|
2
|
my $dataLen = length $buff; |
734
|
1
|
|
|
|
|
3
|
my ($pos, $dataPos) = (0, 4); |
735
|
|
|
|
|
|
|
|
736
|
|
|
|
|
|
|
# verify header length |
737
|
1
|
|
|
|
|
3
|
my $hlen = GetVInt($buff, $pos); |
738
|
1
|
50
|
33
|
|
|
6
|
return 0 unless $hlen and $hlen > 0; |
739
|
1
|
50
|
|
|
|
4
|
$pos + $hlen > $dataLen and $et->Warn('Truncated Matroska header'), return 1; |
740
|
1
|
|
|
|
|
5
|
$et->SetFileType(); |
741
|
1
|
|
|
|
|
4
|
SetByteOrder('MM'); |
742
|
1
|
|
|
|
|
3
|
my $tagTablePtr = GetTagTable('Image::ExifTool::Matroska::Main'); |
743
|
|
|
|
|
|
|
|
744
|
|
|
|
|
|
|
# set flag to process entire file (otherwise we stop at the first Cluster) |
745
|
1
|
|
|
|
|
4
|
my $verbose = $et->Options('Verbose'); |
746
|
1
|
|
33
|
|
|
6
|
my $processAll = ($verbose or $et->Options('Unknown') > 1); |
747
|
1
|
|
|
|
|
2
|
$$et{TrackTypes} = \%trackTypes; # store Track types reference |
748
|
1
|
|
|
|
|
3
|
my $oldIndent = $$et{INDENT}; |
749
|
1
|
|
|
|
|
2
|
my $chapterNum = 0; |
750
|
|
|
|
|
|
|
|
751
|
|
|
|
|
|
|
# loop over all Matroska elements |
752
|
1
|
|
|
|
|
1
|
for (;;) { |
753
|
66
|
|
100
|
|
|
207
|
while (@dirEnd and $pos + $dataPos >= $dirEnd[-1][0]) { |
754
|
11
|
|
|
|
|
17
|
pop @dirEnd; |
755
|
|
|
|
|
|
|
# use INDENT to decide whether or not we are done this Track element |
756
|
11
|
100
|
100
|
|
|
29
|
delete $$et{SET_GROUP1} if $trackIndent and $trackIndent eq $$et{INDENT}; |
757
|
11
|
|
|
|
|
35
|
$$et{INDENT} = substr($$et{INDENT}, 0, -2); |
758
|
|
|
|
|
|
|
} |
759
|
|
|
|
|
|
|
# read more if we are getting close to the end of our buffer |
760
|
|
|
|
|
|
|
# (24 more bytes should be enough to read this element header) |
761
|
66
|
50
|
66
|
|
|
129
|
if ($pos + 24 > $dataLen and $raf->Read($buf2, 65536)) { |
762
|
0
|
|
|
|
|
0
|
$buff = substr($buff, $pos) . $buf2; |
763
|
0
|
|
|
|
|
0
|
undef $buf2; |
764
|
0
|
|
|
|
|
0
|
$dataPos += $pos; |
765
|
0
|
|
|
|
|
0
|
$dataLen = length $buff; |
766
|
0
|
|
|
|
|
0
|
$pos = 0; |
767
|
|
|
|
|
|
|
} |
768
|
66
|
|
|
|
|
98
|
my $tag = GetVInt($buff, $pos); |
769
|
66
|
100
|
66
|
|
|
178
|
last unless defined $tag and $tag >= 0; |
770
|
65
|
|
|
|
|
94
|
my $size = GetVInt($buff, $pos); |
771
|
65
|
50
|
|
|
|
96
|
last unless defined $size; |
772
|
65
|
|
|
|
|
71
|
my $unknownSize; |
773
|
65
|
50
|
|
|
|
96
|
$size < 0 and $unknownSize = 1, $size = 1e20; |
774
|
65
|
50
|
66
|
|
|
169
|
if (@dirEnd and $pos + $dataPos + $size > $dirEnd[-1][0]) { |
775
|
0
|
|
|
|
|
0
|
$et->Warn("Invalid or corrupted $dirEnd[-1][1] master element"); |
776
|
0
|
|
|
|
|
0
|
$pos = $dirEnd[-1][0] - $dataPos; |
777
|
0
|
0
|
0
|
|
|
0
|
if ($pos < 0 or $pos > $dataLen) { |
778
|
0
|
|
|
|
|
0
|
$buff = ''; |
779
|
0
|
|
|
|
|
0
|
$dataPos += $pos; |
780
|
0
|
|
|
|
|
0
|
$dataLen = 0; |
781
|
0
|
|
|
|
|
0
|
$pos = 0; |
782
|
0
|
0
|
|
|
|
0
|
$raf->Seek($dataPos, 0) or last; |
783
|
|
|
|
|
|
|
} |
784
|
0
|
|
|
|
|
0
|
next; |
785
|
|
|
|
|
|
|
} |
786
|
65
|
|
|
|
|
130
|
my $tagInfo = $et->GetTagInfo($tagTablePtr, $tag); |
787
|
|
|
|
|
|
|
# just fall through into the contained EBML elements |
788
|
65
|
100
|
66
|
|
|
172
|
if ($tagInfo and $$tagInfo{SubDirectory}) { |
789
|
|
|
|
|
|
|
# stop processing at first cluster unless we are in verbose mode |
790
|
12
|
50
|
33
|
|
|
25
|
last if $$tagInfo{Name} eq 'Cluster' and not $processAll; |
791
|
12
|
|
|
|
|
18
|
$$et{INDENT} .= '| '; |
792
|
12
|
|
|
|
|
35
|
$et->VerboseDir($$tagTablePtr{$tag}{Name}, undef, $size); |
793
|
12
|
|
|
|
|
36
|
push @dirEnd, [ $pos + $dataPos + $size, $$tagInfo{Name} ]; |
794
|
12
|
50
|
|
|
|
22
|
if ($$tagInfo{Name} eq 'ChapterAtom') { |
795
|
0
|
|
|
|
|
0
|
$$et{SET_GROUP1} = 'Chapter' . (++$chapterNum); |
796
|
0
|
|
|
|
|
0
|
$trackIndent = $$et{INDENT}; |
797
|
|
|
|
|
|
|
} |
798
|
12
|
|
|
|
|
15
|
next; |
799
|
|
|
|
|
|
|
} |
800
|
53
|
50
|
|
|
|
80
|
last if $unknownSize; |
801
|
53
|
50
|
|
|
|
87
|
if ($pos + $size > $dataLen) { |
802
|
|
|
|
|
|
|
# how much more do we need to read? |
803
|
0
|
|
|
|
|
0
|
my $more = $pos + $size - $dataLen; |
804
|
|
|
|
|
|
|
# just skip unknown and large data blocks |
805
|
0
|
0
|
0
|
|
|
0
|
if (not $tagInfo or $more > 10000000) { |
806
|
|
|
|
|
|
|
# don't try to skip very large blocks unless LargeFileSupport is enabled |
807
|
0
|
0
|
0
|
|
|
0
|
last if $more >= 0x80000000 and not $et->Options('LargeFileSupport'); |
808
|
0
|
0
|
|
|
|
0
|
$raf->Seek($more, 1) or last; |
809
|
0
|
|
|
|
|
0
|
$buff = ''; |
810
|
0
|
|
|
|
|
0
|
$dataPos += $dataLen + $more; |
811
|
0
|
|
|
|
|
0
|
$dataLen = 0; |
812
|
0
|
|
|
|
|
0
|
$pos = 0; |
813
|
0
|
|
|
|
|
0
|
next; |
814
|
|
|
|
|
|
|
} else { |
815
|
|
|
|
|
|
|
# read data in multiples of 64kB |
816
|
0
|
|
|
|
|
0
|
$more = (int($more / 65536) + 1) * 65536; |
817
|
0
|
0
|
|
|
|
0
|
if ($raf->Read($buf2, $more)) { |
818
|
0
|
|
|
|
|
0
|
$buff = substr($buff, $pos) . $buf2; |
819
|
0
|
|
|
|
|
0
|
undef $buf2; |
820
|
0
|
|
|
|
|
0
|
$dataPos += $pos; |
821
|
0
|
|
|
|
|
0
|
$dataLen = length $buff; |
822
|
0
|
|
|
|
|
0
|
$pos = 0; |
823
|
|
|
|
|
|
|
} |
824
|
0
|
0
|
|
|
|
0
|
last if $pos + $size > $dataLen; |
825
|
|
|
|
|
|
|
} |
826
|
|
|
|
|
|
|
} |
827
|
53
|
50
|
|
|
|
75
|
unless ($tagInfo) { |
828
|
|
|
|
|
|
|
# ignore the element |
829
|
0
|
|
|
|
|
0
|
$pos += $size; |
830
|
0
|
|
|
|
|
0
|
next; |
831
|
|
|
|
|
|
|
} |
832
|
53
|
|
|
|
|
61
|
my $val; |
833
|
53
|
100
|
|
|
|
94
|
if ($$tagInfo{Format}) { |
834
|
47
|
|
|
|
|
63
|
my $fmt = $$tagInfo{Format}; |
835
|
47
|
100
|
100
|
|
|
130
|
if ($fmt eq 'string' or $fmt eq 'utf8') { |
|
|
100
|
|
|
|
|
|
836
|
7
|
|
|
|
|
18
|
($val = substr($buff, $pos, $size)) =~ s/\0.*//s; |
837
|
7
|
100
|
|
|
|
19
|
$val = $et->Decode($val, 'UTF8') if $fmt eq 'utf8'; |
838
|
|
|
|
|
|
|
} elsif ($fmt eq 'float') { |
839
|
4
|
50
|
|
|
|
7
|
if ($size == 4) { |
|
|
0
|
|
|
|
|
|
840
|
4
|
|
|
|
|
10
|
$val = GetFloat(\$buff, $pos); |
841
|
|
|
|
|
|
|
} elsif ($size == 8) { |
842
|
0
|
|
|
|
|
0
|
$val = GetDouble(\$buff, $pos); |
843
|
|
|
|
|
|
|
} else { |
844
|
0
|
|
|
|
|
0
|
$et->Warn("Illegal float size ($size)"); |
845
|
|
|
|
|
|
|
} |
846
|
|
|
|
|
|
|
} else { |
847
|
36
|
|
|
|
|
101
|
my @vals = unpack("x${pos}C$size", $buff); |
848
|
36
|
|
|
|
|
52
|
$val = 0; |
849
|
36
|
100
|
66
|
|
|
88
|
if ($fmt eq 'signed' or $fmt eq 'date') { |
850
|
1
|
|
|
|
|
2
|
my $over = 1; |
851
|
1
|
|
|
|
|
3
|
foreach (@vals) { |
852
|
8
|
|
|
|
|
10
|
$val = $val * 256 + $_; |
853
|
8
|
|
|
|
|
10
|
$over *= 256; |
854
|
|
|
|
|
|
|
} |
855
|
|
|
|
|
|
|
# interpret negative numbers |
856
|
1
|
50
|
|
|
|
3
|
$val -= $over if $vals[0] & 0x80; |
857
|
|
|
|
|
|
|
# convert dates (nanoseconds since 2001:01:01) |
858
|
1
|
50
|
|
|
|
3
|
if ($fmt eq 'date') { |
859
|
1
|
|
|
|
|
3
|
my $t = $val / 1e9; |
860
|
1
|
|
|
|
|
3
|
my $f = $t - int($t); # fractional seconds |
861
|
1
|
|
|
|
|
4
|
$f =~ s/^\d+//; # remove leading zero |
862
|
|
|
|
|
|
|
# (8 leap days between 1970 and 2001) |
863
|
1
|
|
|
|
|
2
|
$t += (((2001-1970)*365+8)*24*3600); |
864
|
1
|
|
|
|
|
5
|
$val = Image::ExifTool::ConvertUnixTime($t) . $f . 'Z'; |
865
|
|
|
|
|
|
|
} |
866
|
|
|
|
|
|
|
} else { # must be unsigned |
867
|
35
|
|
|
|
|
76
|
$val = $val * 256 + $_ foreach @vals; |
868
|
|
|
|
|
|
|
} |
869
|
|
|
|
|
|
|
} |
870
|
|
|
|
|
|
|
# set group1 to Track/Chapter number |
871
|
47
|
100
|
|
|
|
92
|
if ($$tagInfo{Name} eq 'TrackNumber') { |
872
|
2
|
|
|
|
|
6
|
$$et{SET_GROUP1} = 'Track' . $val; |
873
|
2
|
|
|
|
|
3
|
$trackIndent = $$et{INDENT}; |
874
|
|
|
|
|
|
|
} |
875
|
|
|
|
|
|
|
} |
876
|
53
|
|
|
|
|
145
|
my %parms = ( |
877
|
|
|
|
|
|
|
DataPt => \$buff, |
878
|
|
|
|
|
|
|
DataPos => $dataPos, |
879
|
|
|
|
|
|
|
Start => $pos, |
880
|
|
|
|
|
|
|
Size => $size, |
881
|
|
|
|
|
|
|
); |
882
|
53
|
50
|
|
|
|
82
|
if ($$tagInfo{NoSave}) { |
883
|
0
|
0
|
|
|
|
0
|
$et->VerboseInfo($tag, $tagInfo, Value => $val, %parms) if $verbose; |
884
|
|
|
|
|
|
|
} else { |
885
|
53
|
|
|
|
|
140
|
$et->HandleTag($tagTablePtr, $tag, $val, %parms); |
886
|
|
|
|
|
|
|
} |
887
|
53
|
|
|
|
|
102
|
$pos += $size; # step to next element |
888
|
|
|
|
|
|
|
} |
889
|
1
|
|
|
|
|
2
|
$$et{INDENT} = $oldIndent; |
890
|
1
|
|
|
|
|
2
|
delete $$et{SET_GROUP1}; |
891
|
|
|
|
|
|
|
# override file type if necessary based on existing track types |
892
|
1
|
0
|
33
|
|
|
4
|
unless ($trackTypes{0x01} or $trackTypes{0x03}) { # video or complex? |
893
|
0
|
0
|
|
|
|
0
|
if ($trackTypes{0x02}) { # audio? |
|
|
0
|
|
|
|
|
|
894
|
0
|
|
|
|
|
0
|
$et->OverrideFileType('MKA'); |
895
|
|
|
|
|
|
|
} elsif ($trackTypes{0x11}) { # subtitle? |
896
|
0
|
|
|
|
|
0
|
$et->OverrideFileType('MKS'); |
897
|
|
|
|
|
|
|
} |
898
|
|
|
|
|
|
|
} |
899
|
1
|
|
|
|
|
4
|
return 1; |
900
|
|
|
|
|
|
|
} |
901
|
|
|
|
|
|
|
|
902
|
|
|
|
|
|
|
1; # end |
903
|
|
|
|
|
|
|
|
904
|
|
|
|
|
|
|
__END__ |