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package FLV::Util; |
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6
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34
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use warnings; |
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951
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use strict; |
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175
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484
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use 5.008; |
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270
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use base 'Exporter'; |
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667
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7935
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use Readonly; |
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31246
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6
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10160
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9
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our $VERSION = '0.24'; |
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our @EXPORT = ## no critic(Modules::ProhibitAutomaticExportation) |
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qw( |
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%TAG_CLASSES |
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%AUDIO_FORMATS |
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%AUDIO_RATES |
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%AUDIO_SIZES |
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%AUDIO_TYPES |
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%VIDEO_CODEC_IDS |
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%VIDEO_FRAME_TYPES |
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); |
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Readonly::Hash our %TAG_CLASSES => ( |
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8 => 'FLV::AudioTag', |
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9 => 'FLV::VideoTag', |
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18 => 'FLV::MetaTag', |
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); |
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Readonly::Hash our %AUDIO_FORMATS => ( |
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0 => 'uncompressed', |
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1 => 'ADPCM', |
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2 => 'MP3', |
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3 => 'Linear PCM, little endian', |
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4 => 'Nellymoser 16kHz mono', |
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5 => 'Nellymoser 8kHz mono', |
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6 => 'Nellymoser', |
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7 => 'G.711 A-law', |
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8 => 'G.711 mu-law', |
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10 => 'AAC', |
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11 => 'Speex', |
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14 => 'MP3 8kHz', |
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15 => 'Device-specific sound', |
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); |
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Readonly::Hash our %AUDIO_RATES => ( |
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0 => '5518 Hz', |
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1 => '11025 Hz', |
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2 => '22050 Hz', |
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3 => '44100 Hz', |
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); |
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Readonly::Hash our %AUDIO_SIZES => ( |
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0 => '8 bit', |
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1 => '16 bit', |
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); |
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Readonly::Hash our %AUDIO_TYPES => ( |
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0 => 'mono', |
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1 => 'stereo', |
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); |
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58
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Readonly::Hash our %VIDEO_CODEC_IDS => ( |
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1 => 'JPEG', |
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2 => 'Sorenson H.263', |
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3 => 'Screen video', |
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4 => 'On2 VP6', |
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5 => 'On2 VP6 + alpha', |
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6 => 'Screen video v2', |
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7 => 'AVC', |
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); |
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Readonly::Hash our %VIDEO_FRAME_TYPES => ( |
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1 => 'keyframe', |
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2 => 'interframe', |
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3 => 'disposable interframe', |
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4 => 'generated keyframe', |
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5 => 'video info/command frame', |
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); |
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75
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sub get_write_filehandle |
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76
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{ |
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77
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19
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19
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1
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my $pkg = shift; |
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78
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19
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40
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my $outfile = shift; |
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79
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80
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# $OS_ERROR must be intact at the end |
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81
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82
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## no critic(RequireBriefOpen) |
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84
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19
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31
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my $outfh; |
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85
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19
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50
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3295
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if (ref $outfile) |
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50
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100
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86
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{ |
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87
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0
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0
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$outfh = $outfile; |
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88
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} |
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89
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elsif (q{-} eq $outfile) |
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90
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{ |
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91
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0
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0
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$outfh = \*STDOUT; |
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92
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} |
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93
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elsif (!open $outfh, '>', $outfile) |
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{ |
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2
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5
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$outfh = undef; |
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96
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} |
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97
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19
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100
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72
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if ($outfh) |
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98
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{ |
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99
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17
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62
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binmode $outfh; |
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100
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} |
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101
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19
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98
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return $outfh; |
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102
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} |
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103
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104
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1; |
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106
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__END__ |