3 |
# amv.pl |
# amv.pl |
4 |
# |
# |
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# 07/19/07 19:21:39 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
# 07/19/07 19:21:39 CEST Dobrica Pavlinusic <dpavlin@rot13.org> |
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# |
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# Various useful links used to produce this: |
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# http://www.moviecodec.com/topics/15431p1.html |
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# http://en.wikipedia.org/wiki/RIFF_(File_format) |
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# http://www.obrador.com/essentialjpeg/HeaderInfo.htm |
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# http://lists.helixcommunity.org/pipermail/datatype-dev/2005-January/001886.html |
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use strict; |
use strict; |
14 |
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15 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
16 |
use Carp qw/confess/; |
use Carp qw/confess/; |
17 |
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use File::Path; |
18 |
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19 |
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my $dump = 0; |
20 |
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my $debug = 0; |
21 |
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22 |
my $path = shift @ARGV || die "usage: $0 movie.amv\n"; |
my $path = shift @ARGV || die "usage: $0 movie.amv\n"; |
23 |
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24 |
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my $dump_dir = '/tmp/dump/'; |
25 |
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rmtree $dump_dir if -e $dump_dir; |
26 |
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mkpath $dump_dir || die "can't create $dump_dir: $!"; |
27 |
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|
28 |
open(my $fh, '<', $path) || die "can't open $path: $!"; |
open(my $fh, '<', $path) || die "can't open $path: $!"; |
29 |
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|
30 |
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# offset in file |
31 |
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my $o = 0; |
32 |
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33 |
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# shared data hash |
34 |
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my $d; |
35 |
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|
36 |
sub hex_dump { |
sub hex_dump { |
37 |
my $bytes = shift || return; |
return unless $dump; |
38 |
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39 |
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my ( $bytes, $offset ) = @_; |
40 |
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return unless $bytes; |
41 |
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42 |
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my $old_o; |
43 |
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if (defined($offset)) { |
44 |
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$old_o = $o; |
45 |
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$o = $offset; |
46 |
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} |
47 |
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|
48 |
my $ascii = $bytes; |
my $ascii = $bytes; |
49 |
$ascii =~ s/\W/./gs; |
$ascii =~ s/\W/./gs; |
50 |
my $hex = unpack('h*', $bytes); |
my $hex = uc( unpack('h*', $bytes) ); |
51 |
$hex =~ s/(..)/$1 /g; |
$hex =~ s/(..)/$1 /g; |
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my $o = 0; |
|
52 |
# calculate number of characters for offset |
# calculate number of characters for offset |
53 |
my $d = length( sprintf("%x",length($bytes)) ); |
#my $d = length( sprintf("%x",length($bytes)) ); |
54 |
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my $d = 4; |
55 |
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my $prefix = '#.'; |
56 |
while ( $hex =~ s/^((?:\w\w\s){1,16})// ) { |
while ( $hex =~ s/^((?:\w\w\s){1,16})// ) { |
57 |
printf "## %0${d}x | %-48s| %s\n", $o, $1, substr( $ascii, 0, 16 ); |
printf "$prefix %0${d}x | %-48s| %s\n", $o, $1, substr( $ascii, 0, 16 ); |
58 |
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$prefix = '##'; |
59 |
if ( length($ascii) >= 16 ) { |
if ( length($ascii) >= 16 ) { |
60 |
$ascii = substr( $ascii, 16 ); |
$ascii = substr( $ascii, 16 ); |
61 |
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$o += 16; |
62 |
} else { |
} else { |
63 |
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$o += length($ascii); |
64 |
last; |
last; |
65 |
} |
} |
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$o += 16; |
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66 |
} |
} |
67 |
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68 |
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$o = $old_o if $old_o; |
69 |
} |
} |
70 |
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71 |
sub x { |
sub x { |
79 |
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|
80 |
hex_dump( $bytes ); |
hex_dump( $bytes ); |
81 |
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82 |
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if ( $bytes eq 'AMV_END_' ) { |
83 |
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warn "> end of file marker AMV_END_\n"; |
84 |
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$d->{eof}++; |
85 |
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return; |
86 |
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} |
87 |
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|
88 |
if ( $format ) { |
if ( $format ) { |
89 |
my @data = unpack($format, $bytes); |
my @data = unpack($format, $bytes); |
90 |
dump(@data); |
warn "## unpacked = ",dump(@data),"\n" if $debug; |
91 |
return @data; |
return @data; |
92 |
} else { |
} else { |
93 |
return $bytes; |
return $bytes; |
97 |
sub next_part { |
sub next_part { |
98 |
my ( $expected_part, $expected_len, $skip ) = @_; |
my ( $expected_part, $expected_len, $skip ) = @_; |
99 |
my ( $part, $len ) = x(8,'A4V'); |
my ( $part, $len ) = x(8,'A4V'); |
100 |
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return unless $len; |
101 |
confess "not $expected_part but $part" if $expected_part ne $part; |
confess "not $expected_part but $part" if $expected_part ne $part; |
102 |
if ( $expected_len ) { |
if ( $expected_len ) { |
103 |
confess "expected $expected_len bytes for $part got $len" if $len != $expected_len; |
confess "expected $expected_len bytes for $part got $len" if $len != $expected_len; |
104 |
} |
} |
105 |
printf ">> %s | %d 0x%x bytes\n", $part, $len, $len; |
printf "<< %s - %d 0x%x bytes\n", $part, $len, $len; |
106 |
x($len) if $skip; |
x($len) if $skip; |
107 |
return $len; |
return $len; |
108 |
} |
} |
109 |
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110 |
my ( $riff, $amv ) = x(12, 'Z8Z4'); |
sub huffman { |
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die "not RIFF but $riff" if $riff ne 'RIFF'; |
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die "not AMV but $amv" if $amv ne 'AMV '; |
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111 |
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112 |
my $d; |
# JPEG DHT Segment for YCrCb omitted from MJPG data |
113 |
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return |
114 |
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"\xFF\xC4\x01\xA2" . |
115 |
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"\x00\x00\x01\x05\x01\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00" . |
116 |
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"\x00\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x01" . |
117 |
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"\x00\x03\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00\x00\x00\x00" . |
118 |
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"\x00\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x10\x00" . |
119 |
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"\x02\x01\x03\x03\x02\x04\x03\x05\x05\x04\x04\x00\x00\x01\x7D" . |
120 |
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"\x01\x02\x03\x00\x04\x11\x05\x12\x21\x31\x41\x06\x13\x51\x61" . |
121 |
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"\x07\x22\x71\x14\x32\x81\x91\xA1\x08\x23\x42\xB1\xC1\x15\x52" . |
122 |
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"\xD1\xF0\x24\x33\x62\x72\x82\x09\x0A\x16\x17\x18\x19\x1A\x25" . |
123 |
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"\x26\x27\x28\x29\x2A\x34\x35\x36\x37\x38\x39\x3A\x43\x44\x45" . |
124 |
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"\x46\x47\x48\x49\x4A\x53\x54\x55\x56\x57\x58\x59\x5A\x63\x64" . |
125 |
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"\x65\x66\x67\x68\x69\x6A\x73\x74\x75\x76\x77\x78\x79\x7A\x83" . |
126 |
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"\x84\x85\x86\x87\x88\x89\x8A\x92\x93\x94\x95\x96\x97\x98\x99" . |
127 |
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"\x9A\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xB2\xB3\xB4\xB5\xB6" . |
128 |
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"\xB7\xB8\xB9\xBA\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xD2\xD3" . |
129 |
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"\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8" . |
130 |
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"\xE9\xEA\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\x11\x00\x02" . |
131 |
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"\x01\x02\x04\x04\x03\x04\x07\x05\x04\x04\x00\x01\x02\x77\x00" . |
132 |
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"\x01\x02\x03\x11\x04\x05\x21\x31\x06\x12\x41\x51\x07\x61\x71" . |
133 |
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"\x13\x22\x32\x81\x08\x14\x42\x91\xA1\xB1\xC1\x09\x23\x33\x52" . |
134 |
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"\xF0\x15\x62\x72\xD1\x0A\x16\x24\x34\xE1\x25\xF1\x17\x18\x19" . |
135 |
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"\x1A\x26\x27\x28\x29\x2A\x35\x36\x37\x38\x39\x3A\x43\x44\x45" . |
136 |
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"\x46\x47\x48\x49\x4A\x53\x54\x55\x56\x57\x58\x59\x5A\x63\x64" . |
137 |
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"\x65\x66\x67\x68\x69\x6A\x73\x74\x75\x76\x77\x78\x79\x7A\x82" . |
138 |
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"\x83\x84\x85\x86\x87\x88\x89\x8A\x92\x93\x94\x95\x96\x97\x98" . |
139 |
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"\x99\x9A\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xB2\xB3\xB4\xB5" . |
140 |
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"\xB6\xB7\xB8\xB9\xBA\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xD2" . |
141 |
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"\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xE2\xE3\xE4\xE5\xE6\xE7\xE8" . |
142 |
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"\xE9\xEA\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA"; |
143 |
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144 |
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} |
145 |
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146 |
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sub mkjpg { |
147 |
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my ($path,$data) = @_; |
148 |
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open(my $fh, '>', $path) || die "can't create $path: $!"; |
149 |
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|
150 |
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confess "no SOI marker in data" if substr($data,0,2) ne "\xFF\xD8"; |
151 |
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$data = substr($data,2); |
152 |
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153 |
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my $header = |
154 |
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"\xFF\xD8". # Start of Image (SOI) marker |
155 |
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#------------------------------------------------------------------ |
156 |
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"\xFF\xE0". # JFIF marker |
157 |
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pack("nZ5CCCnnCC", |
158 |
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16, # length |
159 |
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'JFIF', # identifier |
160 |
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1,1, # version |
161 |
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0, # units (none) |
162 |
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1,1, # X,Y density |
163 |
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0,0, # X,Y thumbnail |
164 |
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). |
165 |
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#------------------------------------------------------------------ |
166 |
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"\xFF\xC0". # Start of frame |
167 |
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pack("ncnncc9", |
168 |
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17, # len |
169 |
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8, # sample precision in bits |
170 |
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120,160, # X,Y size |
171 |
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3, # number of components |
172 |
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1,0x21,0, # Component ID, H+V sampling factors, Quantization table number |
173 |
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2,0x11,1, |
174 |
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3,0x11,1, |
175 |
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). |
176 |
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#------------------------------------------------------------------ |
177 |
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"\xFF\xDB". # Define Quantization table marker |
178 |
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"\x00\x84". # len |
179 |
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"\x00". # 8 bit values, (byte) table 0 |
180 |
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"\x10\x0B\x0C\x0E\x0C". |
181 |
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"\x0A\x10\x0E\x0D\x0E". |
182 |
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"\x12\x11\x10\x13\x18". |
183 |
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"\x28\x1A\x18\x16\x16". |
184 |
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"\x18\x31\x23\x25\x1D". |
185 |
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"\x28\x3A\x33\x3D\x3C". |
186 |
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"\x39\x33\x38\x37\x40". |
187 |
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"\x48\x5C\x4E\x40\x44". |
188 |
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"\x57\x45\x37\x38\x50". |
189 |
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"\x6D\x51\x57\x5F\x62". |
190 |
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"\x67\x68\x67\x3E\x4D". |
191 |
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"\x71\x79\x70\x64\x78". |
192 |
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"\x5C\x65\x67\x63". |
193 |
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"\x01". # 8 bit values, (byte) table 1 |
194 |
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"\x11\x12\x12\x18\x15". |
195 |
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"\x18\x2F\x1A\x1A\x2F". |
196 |
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"\x63\x42\x38\x42\x63". |
197 |
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"\x63\x63\x63\x63\x63". |
198 |
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"\x63\x63\x63\x63\x63". |
199 |
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"\x63\x63\x63\x63\x63". |
200 |
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"\x63\x63\x63\x63\x63". |
201 |
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"\x63\x63\x63\x63\x63". |
202 |
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"\x63\x63\x63\x63\x63". |
203 |
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"\x63\x63\x63\x63\x63". |
204 |
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"\x63\x63\x63\x63\x63". |
205 |
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"\x63\x63\x63\x63\x63". |
206 |
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"\x63\x63\x63\x63". |
207 |
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#------------------------------------------------------------------ |
208 |
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# huffman("\x00"). # 0 DC |
209 |
|
# huffman("\x01"). # 1 DC |
210 |
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# huffman("\x10"). # 0 AC |
211 |
|
# huffman("\x11"). # 1 AC |
212 |
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#------------------------------------------------------------------ |
213 |
|
# Define huffman table (section B.2.4.1) |
214 |
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"\xFF\xC4". # Marker |
215 |
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"\x00\x1F". # Length (31 bytes) |
216 |
|
"\x00". # DC, (byte) table 0 |
217 |
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"\x00\x01\x05\x01\x01". |
218 |
|
"\x01\x01\x01\x01\x00". |
219 |
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"\x00\x00\x00\x00\x00". |
220 |
|
"\x00\x00\x01\x02\x03". |
221 |
|
"\x04\x05\x06\x07\x08". |
222 |
|
"\x09\x0A\x0B". |
223 |
|
# Define huffman table (section B.2.4.1) |
224 |
|
"\xFF\xC4". # Marker |
225 |
|
"\x00\xB5". # Length (181 bytes) |
226 |
|
"\x10". # AC, (byte) table 0 |
227 |
|
"\x00\x02\x01\x03\x03". |
228 |
|
"\x02\x04\x03\x05\x05". |
229 |
|
"\x04\x04\x00\x00\x01". |
230 |
|
"\x7D\x01\x02\x03\x00". |
231 |
|
"\x04\x11\x05\x12\x21". |
232 |
|
"\x31\x41\x06\x13\x51". |
233 |
|
"\x61\x07\x22\x71\x14". |
234 |
|
"\x32\x81\x91\xA1\x08". |
235 |
|
"\x23\x42\xB1\xC1\x15". |
236 |
|
"\x52\xD1\xF0\x24\x33". |
237 |
|
"\x62\x72\x82\x09\x0A". |
238 |
|
"\x16\x17\x18\x19\x1A". |
239 |
|
"\x25\x26\x27\x28\x29". |
240 |
|
"\x2A\x34\x35\x36\x37". |
241 |
|
"\x38\x39\x3A\x43\x44". |
242 |
|
"\x45\x46\x47\x48\x49". |
243 |
|
"\x4A\x53\x54\x55\x56". |
244 |
|
"\x57\x58\x59\x5A\x63". |
245 |
|
"\x64\x65\x66\x67\x68". |
246 |
|
"\x69\x6A\x73\x74\x75". |
247 |
|
"\x76\x77\x78\x79\x7A". |
248 |
|
"\x83\x84\x85\x86\x87". |
249 |
|
"\x88\x89\x8A\x92\x93". |
250 |
|
"\x94\x95\x96\x97\x98". |
251 |
|
"\x99\x9A\xA2\xA3\xA4". |
252 |
|
"\xA5\xA6\xA7\xA8\xA9". |
253 |
|
"\xAA\xB2\xB3\xB4\xB5". |
254 |
|
"\xB6\xB7\xB8\xB9\xBA". |
255 |
|
"\xC2\xC3\xC4\xC5\xC6". |
256 |
|
"\xC7\xC8\xC9\xCA\xD2". |
257 |
|
"\xD3\xD4\xD5\xD6\xD7". |
258 |
|
"\xD8\xD9\xDA\xE1\xE2". |
259 |
|
"\xE3\xE4\xE5\xE6\xE7". |
260 |
|
"\xE8\xE9\xEA\xF1\xF2". |
261 |
|
"\xF3\xF4\xF5\xF6\xF7". |
262 |
|
"\xF8\xF9\xFA". |
263 |
|
# Define huffman table (section B.2.4.1) |
264 |
|
"\xFF\xC4". # Marker |
265 |
|
"\x00\x1F". # Length (31 bytes) |
266 |
|
"\x01". # DC, (byte) table 1 |
267 |
|
"\x00\x03\x01\x01\x01". |
268 |
|
"\x01\x01\x01\x01\x01". |
269 |
|
"\x01\x00\x00\x00\x00". |
270 |
|
"\x00\x00\x01\x02\x03". |
271 |
|
"\x04\x05\x06\x07\x08". |
272 |
|
"\x09\x0A\x0B". |
273 |
|
# Define huffman table (section B.2.4.1) |
274 |
|
"\xFF\xC4". # Marker |
275 |
|
"\x00\xB5". # Length (181 bytes) |
276 |
|
"\x11". # AC, (byte) table 1 |
277 |
|
"\x00\x02\x01\x02\x04". |
278 |
|
"\x04\x03\x04\x07\x05". |
279 |
|
"\x04\x04\x00\x01\x02". |
280 |
|
"\x77\x00\x01\x02\x03". |
281 |
|
"\x11\x04\x05\x21\x31". |
282 |
|
"\x06\x12\x41\x51\x07". |
283 |
|
"\x61\x71\x13\x22\x32". |
284 |
|
"\x81\x08\x14\x42\x91". |
285 |
|
"\xA1\xB1\xC1\x09\x23". |
286 |
|
"\x33\x52\xF0\x15\x62". |
287 |
|
"\x72\xD1\x0A\x16\x24". |
288 |
|
"\x34\xE1\x25\xF1\x17". |
289 |
|
"\x18\x19\x1A\x26\x27". |
290 |
|
"\x28\x29\x2A\x35\x36". |
291 |
|
"\x37\x38\x39\x3A\x43". |
292 |
|
"\x44\x45\x46\x47\x48". |
293 |
|
"\x49\x4A\x53\x54\x55". |
294 |
|
"\x56\x57\x58\x59\x5A". |
295 |
|
"\x63\x64\x65\x66\x67". |
296 |
|
"\x68\x69\x6A\x73\x74". |
297 |
|
"\x75\x76\x77\x78\x79". |
298 |
|
"\x7A\x82\x83\x84\x85". |
299 |
|
"\x86\x87\x88\x89\x8A". |
300 |
|
"\x92\x93\x94\x95\x96". |
301 |
|
"\x97\x98\x99\x9A\xA2". |
302 |
|
"\xA3\xA4\xA5\xA6\xA7". |
303 |
|
"\xA8\xA9\xAA\xB2\xB3". |
304 |
|
"\xB4\xB5\xB6\xB7\xB8". |
305 |
|
"\xB9\xBA\xC2\xC3\xC4". |
306 |
|
"\xC5\xC6\xC7\xC8\xC9". |
307 |
|
"\xCA\xD2\xD3\xD4\xD5". |
308 |
|
"\xD6\xD7\xD8\xD9\xDA". |
309 |
|
"\xE2\xE3\xE4\xE5\xE6". |
310 |
|
"\xE7\xE8\xE9\xEA\xF2". |
311 |
|
"\xF3\xF4\xF5\xF6\xF7". |
312 |
|
"\xF8\xF9\xFA". |
313 |
|
#------------------------------------------------------------------ |
314 |
|
"\xFF\xDA". # Start of Scan marker |
315 |
|
pack("nC11", |
316 |
|
12, # length |
317 |
|
3, # number of components |
318 |
|
1,0x00, # Scan 1: use DC/AC huff tables 0/0 |
319 |
|
2,0x11, # Scan 2: use DC/AC huff tables 1/1 |
320 |
|
3,0x11, # Scan 3: use DC/AC huff tables 1/1 |
321 |
|
0,0x3f, # Ss, Se |
322 |
|
0, # Ah, Ai (not used) |
323 |
|
); |
324 |
|
#------------------------------------------------------------------ |
325 |
|
|
326 |
|
my $header = |
327 |
|
# SOI |
328 |
|
"\xFF\xD8". |
329 |
|
# JFIF |
330 |
|
"\xFF\xE0". |
331 |
|
"\x00\x0e\x41\x56\x49\x31\x00\x00\x00\x00\x00\x00\x00\x00". |
332 |
|
"\xff\xDD\x00\x04\x00\x00". |
333 |
|
# quantization table |
334 |
|
"\xFF\xDB". |
335 |
|
"\x00\x43\x00\x21\x16\x18". |
336 |
|
"\x1D\x18\x14\x21\x1D\x1B\x1D\x25". |
337 |
|
"\x23\x21\x27\x31\x53\x36\x31\x2D". |
338 |
|
"\x2D\x31\x65\x48\x4c\x3c\x53\x78". |
339 |
|
"\x6a\x7e\x7c\x76\x6a\x74\x72\x85". |
340 |
|
"\x95\xbf\xa2\x85\x8d\xb4\x8f\x72". |
341 |
|
"\x74\xa6\xe2\xa8\xb4\xc5\xcb\xd6". |
342 |
|
"\xd8\xd6\x80\xa0\xeb\xfb\xe8\xd0". |
343 |
|
"\xf9\xbf\xd2\xd6\xcd". |
344 |
|
# quantization table |
345 |
|
"\xff\xdb". |
346 |
|
"\x00\x43\x01\x23\x25\x25\x31\x2b\x31". |
347 |
|
"\x61\x36\x36\x61\xcd\x89\x74\x89". |
348 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
349 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
350 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
351 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
352 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
353 |
|
"\xcd\xcd\xcd\xcd\xcd\xcd\xcd\xcd". |
354 |
|
"\xcd\xcd". |
355 |
|
# Define huffman table (section B.2.4.1) |
356 |
|
"\xFF\xC4". # Marker |
357 |
|
"\x00\x1F". # Length (31 bytes) |
358 |
|
"\x00". # DC luminance, table 0 |
359 |
|
"\x00\x01\x05\x01\x01\x01\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00". |
360 |
|
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B". |
361 |
|
# Define huffman table (section B.2.4.1) |
362 |
|
"\xFF\xC4". # Marker |
363 |
|
"\x00\x1F". # Length (31 bytes) |
364 |
|
"\x01". # DC chrominance, table 1 |
365 |
|
"\x00\x03\x01\x01\x01\x01\x01\x01\x01\x01\x01\x00". |
366 |
|
"\x00\x00\x00\x00". |
367 |
|
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B". |
368 |
|
# Define huffman table (section B.2.4.1) |
369 |
|
"\xFF\xC4". # Marker |
370 |
|
"\x00\xB5". # Length (181 bytes) |
371 |
|
"\x10". # AC luminance, table 0 |
372 |
|
"\x00\x02\x01\x03\x03\x02\x04\x03\x05\x05\x04\x04\x00\x00\x01\x7D". |
373 |
|
"\x01\x02\x03\x00\x04\x11\x05\x12". |
374 |
|
"\x21\x31\x41\x06\x13\x51\x61\x07\x22\x71\x14\x32". |
375 |
|
"\x81\x91\xA1\x08\x23\x42\xB1\xC1\x15\x52\xD1\xF0". |
376 |
|
"\x24\x33\x62\x72\x82\x09\x0A\x16\x17\x18\x19\x1A". |
377 |
|
"\x25\x26\x27\x28\x29\x2A\x34\x35\x36\x37\x38\x39". |
378 |
|
"\x3A\x43\x44\x45\x46\x47\x48\x49\x4A\x53\x54\x55". |
379 |
|
"\x56\x57\x58\x59\x5A\x63\x64\x65\x66\x67\x68\x69". |
380 |
|
"\x6A\x73\x74\x75\x76\x77\x78\x79\x7A\x83\x84\x85". |
381 |
|
"\x86\x87\x88\x89\x8A\x92\x93\x94\x95\x96\x97\x98". |
382 |
|
"\x99\x9A\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xB2". |
383 |
|
"\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xC2\xC3\xC4\xC5". |
384 |
|
"\xC6\xC7\xC8\xC9\xCA\xD2\xD3\xD4\xD5\xD6\xD7\xD8". |
385 |
|
"\xD9\xDA\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA". |
386 |
|
"\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA". |
387 |
|
#/* Define huffman table (section B.2.4.1) */ |
388 |
|
"\xFF\xC4". # Marker |
389 |
|
"\x00\xB5". # Length (181 bytes) |
390 |
|
"\x11". # AC chrominance, table 1 |
391 |
|
"\x00\x02\x01\x02\x04\x04\x03\x04\x07\x05\x04\x04". |
392 |
|
"\x00\x01\x02\x77". |
393 |
|
"\x00\x01\x02\x03\x11\x04\x05\x21". |
394 |
|
"\x31\x06\x12\x41\x51\x07\x61\x71\x13\x22\x32\x81". |
395 |
|
"\x08\x14\x42\x91\xA1\xB1\xC1\x09\x23\x33\x52\xF0". |
396 |
|
"\x15\x62\x72\xD1\x0A\x16\x24\x34\xE1\x25\xF1\x17". |
397 |
|
"\x18\x19\x1A\x26\x27\x28\x29\x2A\x35\x36\x37\x38". |
398 |
|
"\x39\x3A\x43\x44\x45\x46\x47\x48\x49\x4A\x53\x54". |
399 |
|
"\x55\x56\x57\x58\x59\x5A\x63\x64\x65\x66\x67\x68". |
400 |
|
"\x69\x6A\x73\x74\x75\x76\x77\x78\x79\x7A\x82\x83". |
401 |
|
"\x84\x85\x86\x87\x88\x89\x8A\x92\x93\x94\x95\x96". |
402 |
|
"\x97\x98\x99\x9A\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9". |
403 |
|
"\xAA\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xC2\xC3". |
404 |
|
"\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xD2\xD3\xD4\xD5\xD6". |
405 |
|
"\xD7\xD8\xD9\xDA\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9". |
406 |
|
"\xEA\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA". |
407 |
|
# start of frame |
408 |
|
"\xff\xc0". |
409 |
|
"\x00\x11\x08". |
410 |
|
pack("nn", 120, 160). |
411 |
|
"\x03\x01\x21\x00\x02\x11\x01\x03\x11\x01". |
412 |
|
# |
413 |
|
"\xff\xda". |
414 |
|
"\x00\x0c\x03\x01\x00\x02\x11\x03\x11". |
415 |
|
"\x00\x3f\x00"; |
416 |
|
|
417 |
|
if ( $dump ) { |
418 |
|
warn "## created JPEG header...\n"; |
419 |
|
hex_dump( $header, 0 ); |
420 |
|
} |
421 |
|
|
422 |
while ( 1 ) { |
print $fh $header || die "can't write header into $path: $!"; |
423 |
|
print $fh $data || die "can't write frame into $path: $!"; |
424 |
|
close $fh || die "can't close $path: $!"; |
425 |
|
print ">> created $path ", -s $path, " bytes\n"; |
426 |
|
} |
427 |
|
|
428 |
|
my ( $riff, $amv ) = x(12, 'Z4x4Z4'); |
429 |
|
die "$path not RIFF but $riff" if $riff ne 'RIFF'; |
430 |
|
die "$path not AMV but $amv" if $amv ne 'AMV '; |
431 |
|
|
432 |
|
while ( ! defined($d->{eof}) ) { |
433 |
my ( $list, $name ) = x(12,'A4x4A4'); |
my ( $list, $name ) = x(12,'A4x4A4'); |
434 |
die "not LIST but $list" if $list ne 'LIST'; |
die "not LIST but $list" if $list ne 'LIST'; |
435 |
print "> $list .. $name\n"; |
print "< $list * $name\n"; |
436 |
|
|
437 |
if ( $name eq 'hdrl' ) { |
if ( $name eq 'hdrl' ) { |
438 |
|
|
439 |
my $len = next_part( 'amvh', hex(38) ); |
my $len = next_part( 'amvh', hex(38) ); |
|
|
|
|
print ">> $name $len\n"; |
|
440 |
|
|
|
my ( |
|
|
$ms_per_frame, |
|
|
$width, |
|
|
$height, |
|
|
$fps, |
|
|
$ss, |
|
|
$mm, |
|
|
$hh, |
|
|
) = |
|
441 |
my @names = ( qw/ms_per_frame width height fps ss mm hh/ ); |
my @names = ( qw/ms_per_frame width height fps ss mm hh/ ); |
442 |
my $h; |
my $h; |
443 |
map { |
map { |
447 |
} x($len, 'Vx28VVVx8CCv'); |
} x($len, 'Vx28VVVx8CCv'); |
448 |
|
|
449 |
printf "## %s %d*%d %s fps (%d ms/frame) %02d:%02d:%02d\n", |
printf "## %s %d*%d %s fps (%d ms/frame) %02d:%02d:%02d\n", |
450 |
$h->{path}, |
$path, |
451 |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
452 |
$h->{hh}, $h->{mm}, $h->{ss}; |
$h->{hh}, $h->{mm}, $h->{ss}; |
453 |
|
|
458 |
next_part( 'strh', 0, 1 ); |
next_part( 'strh', 0, 1 ); |
459 |
next_part( 'strf', 0, 1 ); |
next_part( 'strf', 0, 1 ); |
460 |
|
|
461 |
|
} elsif ( $name eq 'movi' ) { |
462 |
|
|
463 |
|
while (1) { |
464 |
|
my $frame = $d->{movi}++; |
465 |
|
|
466 |
|
my $len = next_part( '00dc' ); |
467 |
|
last unless $len; |
468 |
|
printf "<< %s 00dc - frame %d jpeg %d 0x%x bytes\n", $name, $frame, $len, $len; |
469 |
|
mkjpg( sprintf("$dump_dir/%03d.jpg", $frame ), x($len) ); |
470 |
|
|
471 |
|
$len = next_part( '01wb', 0, 1 ); |
472 |
|
printf "<< %s 01wb - frame %d audio %d 0x%x bytes\n", $name, $frame, $len, $len; |
473 |
|
}; |
474 |
|
|
475 |
} else { |
} else { |
476 |
die "unknown $list $name"; |
die "unknown $list $name"; |
477 |
} |
} |