46 |
my $path = shift @ARGV || die "usage: $0 movie.amv\n"; |
my $path = shift @ARGV || die "usage: $0 movie.amv\n"; |
47 |
|
|
48 |
# by default, flip frames |
# by default, flip frames |
49 |
#$jpegtran = '-flip vertical' unless defined($jpegtran); |
$jpegtran = '-flip vertical' unless defined($jpegtran); |
50 |
|
|
51 |
rmtree $dump_dir if -e $dump_dir; |
rmtree $dump_dir if -e $dump_dir; |
52 |
mkpath $dump_dir || die "can't create $dump_dir: $!"; |
mkpath $dump_dir || die "can't create $dump_dir: $!"; |
53 |
|
|
54 |
|
$| = 1; |
55 |
|
|
56 |
open(my $fh, '<', $path) || die "can't open $path: $!"; |
open(my $fh, '<', $path) || die "can't open $path: $!"; |
57 |
|
|
58 |
# offset in file |
# offset in file |
123 |
} |
} |
124 |
} |
} |
125 |
|
|
126 |
|
# my $len = next_part( 'boob' ); |
127 |
|
# my ( $len, $part ) = next_part(); |
128 |
|
|
129 |
sub next_part { |
sub next_part { |
130 |
my ( $expected_part, $expected_len, $skip ) = @_; |
my ( $expected_part, $expected_len, $skip ) = @_; |
131 |
my ( $part, $len ) = x(8,'A4V'); |
my ( $part, $len ) = x(8,'A4V'); |
132 |
return unless $len; |
return unless $len; |
133 |
confess "not $expected_part but $part" if $expected_part ne $part; |
confess "not $expected_part but $part" if $expected_part && $expected_part ne $part; |
134 |
if ( $expected_len ) { |
if ( $expected_len ) { |
135 |
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; |
136 |
} |
} |
137 |
printf "## next_part %s - %d 0x%x bytes\n", $part, $len, $len if $debug; |
printf "## next_part %s - %d 0x%x bytes\n", $part, $len, $len if $debug; |
138 |
x($len) if $skip; |
x($len) if $skip; |
139 |
|
return ( $len, $part ) if wantarray; |
140 |
return $len; |
return $len; |
141 |
} |
} |
142 |
|
|
163 |
return $out; |
return $out; |
164 |
} |
} |
165 |
|
|
166 |
|
=for obsolete |
167 |
|
|
168 |
sub mp3_frame { |
sub mp3_frame { |
169 |
my $frame = join('', |
my $frame = join('', |
170 |
# Frame sync (all bits set) |
# Frame sync (all bits set) |
228 |
return $bits; |
return $bits; |
229 |
} |
} |
230 |
|
|
231 |
|
=cut |
232 |
|
|
233 |
my @subframes; |
my @subframes; |
234 |
my $frame_nr = 1; |
my $frame_nr = 1; |
235 |
|
|
466 |
return $pred_val; |
return $pred_val; |
467 |
} |
} |
468 |
|
|
469 |
open(my $au_fh, '>', 'out.au') || die "can't open out.au: $!"; |
my $au_path = "$dump_dir/sound.au"; |
470 |
|
open(my $au_fh, '>', $au_path) || die "can't open $au_path: $!"; |
471 |
print $au_fh pack 'a4N5', ( |
print $au_fh pack 'a4N5', ( |
472 |
# magic |
# magic |
473 |
'.snd', |
'.snd', |
488 |
|
|
489 |
my ( $origin, $index, $bytes ) = unpack 'ssL', substr($data,0,8); |
my ( $origin, $index, $bytes ) = unpack 'ssL', substr($data,0,8); |
490 |
|
|
|
warn "audio_frame origin $origin index $index bytes $bytes\n"; |
|
|
hex_dump( substr($data,0,8) ); |
|
|
|
|
491 |
$pred_val = $origin; |
$pred_val = $origin; |
492 |
$step_idx = $index; |
$step_idx = $index; |
493 |
|
|
494 |
|
my $size = 0; |
495 |
|
|
496 |
foreach my $b ( map { ord($_) } split(//, substr($data,8)) ) { |
foreach my $b ( map { ord($_) } split(//, substr($data,8)) ) { |
497 |
print $au_fh pack 'n', adpcm_decode_sample( $b >> 4 ); |
print $au_fh pack 'n', adpcm_decode_sample( $b >> 4 ); |
498 |
print $au_fh pack 'n', adpcm_decode_sample( $b & 15 ); |
print $au_fh pack 'n', adpcm_decode_sample( $b & 15 ); |
499 |
|
$size += 2; |
500 |
} |
} |
501 |
|
|
502 |
|
warn "length isn't corrent $bytes != $size" if $bytes != $size; |
503 |
} |
} |
504 |
|
|
505 |
|
|
565 |
die "$path not RIFF but $riff" if $riff ne 'RIFF'; |
die "$path not RIFF but $riff" if $riff ne 'RIFF'; |
566 |
die "$path not AMV but $amv" if $amv ne 'AMV '; |
die "$path not AMV but $amv" if $amv ne 'AMV '; |
567 |
|
|
568 |
|
my $fps = 16; |
569 |
|
my $duration; |
570 |
|
|
571 |
while ( ! defined($d->{eof}) ) { |
while ( ! defined($d->{eof}) ) { |
572 |
my ( $list, $name ) = x(12,'A4x4A4'); |
my ( $list, $name ) = x(12,'A4x4A4'); |
573 |
die "not LIST but $list" if $list ne 'LIST'; |
die "not LIST but $list" if $list ne 'LIST'; |
585 |
$h->{$n} = $v; |
$h->{$n} = $v; |
586 |
} x($len, 'Vx28VVVx8CCv'); |
} x($len, 'Vx28VVVx8CCv'); |
587 |
|
|
588 |
printf "## %s %d*%d %s fps (%d ms/frame) %02d:%02d:%02d\n", |
$duration = sprintf('%02d:%02d:%02d', $h->{hh}, $h->{mm}, $h->{ss} ); |
589 |
|
|
590 |
|
printf "## %s %d*%d %s fps (%d ms/frame) %s\n", |
591 |
$path, |
$path, |
592 |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
593 |
$h->{hh}, $h->{mm}, $h->{ss}; |
$duration; |
594 |
|
|
595 |
$d->{amvh} = $h; |
$d->{amvh} = $h; |
596 |
|
$fps = $h->{fps}; |
597 |
|
|
598 |
} elsif ( $name eq 'strl' ) { |
} elsif ( $name eq 'strl' ) { |
599 |
|
|
602 |
|
|
603 |
} elsif ( $name eq 'movi' ) { |
} elsif ( $name eq 'movi' ) { |
604 |
|
|
605 |
while (1) { |
my $have_parts = 1; |
606 |
|
|
607 |
|
while ( $have_parts ) { |
608 |
my $frame = $d->{movi}++; |
my $frame = $d->{movi}++; |
|
|
|
|
my $len = next_part( '00dc' ); |
|
|
last unless $len; |
|
|
printf "<< %s 00dc - part %d jpeg %d 0x%x bytes\n", $name, $frame, $len, $len if $verbose; |
|
|
mkjpg( x($len) ); |
|
|
|
|
|
$len = next_part( '01wb' ); |
|
|
printf "<< %s 01wb - part %d audio %d 0x%x bytes\n", $name, $frame, $len, $len if $verbose; |
|
|
|
|
|
my $audio_frame = x( $len ); |
|
|
|
|
|
if ( $dump_audio ) { |
|
|
printf "#### dumping audio frame %d 0x%x bytes\n", length($audio_frame), length($audio_frame); |
|
|
hex_dump( $audio_frame ); |
|
|
} |
|
609 |
|
|
610 |
# remove 8 bytes of something |
my $parts = 0; |
|
# $audio_frame = substr( $audio_frame, 8 ); |
|
611 |
|
|
612 |
if ( length($audio_frame) % 2 == 0 ) { |
while ( $parts < 2 ) { |
|
print "#### even sized frame!"; |
|
|
# $audio_frame = substr( $audio_frame, 0, -1 ); |
|
|
} |
|
613 |
|
|
614 |
# print $audio_fh mp3_frame; |
my ( $len, $part ) = next_part(); |
615 |
audio_frame( $audio_frame ); |
|
616 |
|
if ( ! $len ) { |
617 |
|
$have_parts = 0; |
618 |
|
last; |
619 |
|
} |
620 |
|
|
621 |
|
if ( $part eq '00dc' ) { |
622 |
|
|
623 |
|
printf "<< %s 00dc - part %d jpeg %d 0x%x bytes\n", $name, $frame, $len, $len if $verbose; |
624 |
|
mkjpg( x($len) ); |
625 |
|
$parts++; |
626 |
|
|
627 |
|
} elsif ( $part eq '01wb' ) { |
628 |
|
printf "<< %s 01wb - part %d audio %d 0x%x bytes\n", $name, $frame, $len, $len if $verbose; |
629 |
|
|
630 |
|
my $audio_frame = x( $len ); |
631 |
|
|
632 |
|
if ( $dump_audio ) { |
633 |
|
printf "#### dumping audio frame %d 0x%x bytes\n", length($audio_frame), length($audio_frame); |
634 |
|
hex_dump( $audio_frame ); |
635 |
|
} |
636 |
|
|
637 |
|
# print $audio_fh mp3_frame; |
638 |
|
audio_frame( $audio_frame ); |
639 |
|
|
640 |
|
$parts++; |
641 |
|
} else { |
642 |
|
warn "unknown next part $part with $len bytes, skipping!"; |
643 |
|
} |
644 |
|
|
645 |
|
warn "## #$frame_nr $name $part has $parts parts\n" if $debug; |
646 |
|
} |
647 |
|
|
648 |
$frame_nr++; |
$frame_nr++; |
649 |
|
|
650 |
|
if ( $frame_nr % $fps == 0 ) { |
651 |
|
print "\n" if ( ( $frame_nr / $fps ) % 60 == 0 ); |
652 |
|
print "."; |
653 |
|
} |
654 |
}; |
}; |
655 |
|
|
656 |
} else { |
} else { |
658 |
} |
} |
659 |
} |
} |
660 |
|
|
661 |
my $cmd = "ffmpeg -i $dump_dir/%04d.jpg -r 16 -y $dump_avi"; |
my $cmd = "ffmpeg -r $fps -i $dump_dir/%04d.jpg -i $au_path -y $dump_avi"; |
662 |
system($cmd) == 0 || die "can't convert frames to avi using $cmd: $!"; |
system($cmd) == 0 || die "can't convert frames to avi using $cmd: $!"; |
663 |
|
|
664 |
print ">>>> created $frame_nr frames $dump_avi ", -s $dump_avi, "\n"; |
print ">>>> created $frame_nr frames $dump_avi ", -s $dump_avi, "\n"; |