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 |
458 |
return $pred_val; |
return $pred_val; |
459 |
} |
} |
460 |
|
|
461 |
open(my $au_fh, '>', 'out.au') || die "can't open out.au: $!"; |
my $au_path = "$dump_dir/sound.au"; |
462 |
|
open(my $au_fh, '>', $au_path) || die "can't open $au_path: $!"; |
463 |
print $au_fh pack 'a4N5', ( |
print $au_fh pack 'a4N5', ( |
464 |
# magic |
# magic |
465 |
'.snd', |
'.snd', |
480 |
|
|
481 |
my ( $origin, $index, $bytes ) = unpack 'ssL', substr($data,0,8); |
my ( $origin, $index, $bytes ) = unpack 'ssL', substr($data,0,8); |
482 |
|
|
|
warn "audio_frame origin $origin index $index bytes $bytes\n"; |
|
|
hex_dump( substr($data,0,8) ); |
|
|
|
|
483 |
$pred_val = $origin; |
$pred_val = $origin; |
484 |
$step_idx = $index; |
$step_idx = $index; |
485 |
|
|
486 |
|
my $size = 0; |
487 |
|
|
488 |
foreach my $b ( map { ord($_) } split(//, substr($data,8)) ) { |
foreach my $b ( map { ord($_) } split(//, substr($data,8)) ) { |
489 |
print $au_fh pack 'n', adpcm_decode_sample( $b >> 4 ); |
print $au_fh pack 'n', adpcm_decode_sample( $b >> 4 ); |
490 |
print $au_fh pack 'n', adpcm_decode_sample( $b & 15 ); |
print $au_fh pack 'n', adpcm_decode_sample( $b & 15 ); |
491 |
|
$size += 2; |
492 |
} |
} |
493 |
|
|
494 |
|
warn "length isn't corrent $bytes != $size" if $bytes != $size; |
495 |
} |
} |
496 |
|
|
497 |
|
|
557 |
die "$path not RIFF but $riff" if $riff ne 'RIFF'; |
die "$path not RIFF but $riff" if $riff ne 'RIFF'; |
558 |
die "$path not AMV but $amv" if $amv ne 'AMV '; |
die "$path not AMV but $amv" if $amv ne 'AMV '; |
559 |
|
|
560 |
|
my $fps = 16; |
561 |
|
my $duration; |
562 |
|
|
563 |
while ( ! defined($d->{eof}) ) { |
while ( ! defined($d->{eof}) ) { |
564 |
my ( $list, $name ) = x(12,'A4x4A4'); |
my ( $list, $name ) = x(12,'A4x4A4'); |
565 |
die "not LIST but $list" if $list ne 'LIST'; |
die "not LIST but $list" if $list ne 'LIST'; |
577 |
$h->{$n} = $v; |
$h->{$n} = $v; |
578 |
} x($len, 'Vx28VVVx8CCv'); |
} x($len, 'Vx28VVVx8CCv'); |
579 |
|
|
580 |
printf "## %s %d*%d %s fps (%d ms/frame) %02d:%02d:%02d\n", |
$duration = sprintf('%02d:%02d:%02d', $h->{hh}, $h->{mm}, $h->{ss} ); |
581 |
|
|
582 |
|
printf "## %s %d*%d %s fps (%d ms/frame) %s\n", |
583 |
$path, |
$path, |
584 |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
$h->{width}, $h->{height}, $h->{fps}, $h->{ms_per_frame}, |
585 |
$h->{hh}, $h->{mm}, $h->{ss}; |
$duration; |
586 |
|
|
587 |
$d->{amvh} = $h; |
$d->{amvh} = $h; |
588 |
|
$fps = $h->{fps}; |
589 |
|
|
590 |
} elsif ( $name eq 'strl' ) { |
} elsif ( $name eq 'strl' ) { |
591 |
|
|
612 |
hex_dump( $audio_frame ); |
hex_dump( $audio_frame ); |
613 |
} |
} |
614 |
|
|
|
# remove 8 bytes of something |
|
|
# $audio_frame = substr( $audio_frame, 8 ); |
|
|
|
|
|
if ( length($audio_frame) % 2 == 0 ) { |
|
|
print "#### even sized frame!"; |
|
|
# $audio_frame = substr( $audio_frame, 0, -1 ); |
|
|
} |
|
|
|
|
615 |
# print $audio_fh mp3_frame; |
# print $audio_fh mp3_frame; |
616 |
audio_frame( $audio_frame ); |
audio_frame( $audio_frame ); |
617 |
|
|
618 |
$frame_nr++; |
$frame_nr++; |
619 |
|
|
620 |
|
if ( $frame_nr % $fps == 0 ) { |
621 |
|
print "\n" if ( ( $frame_nr / $fps ) % 60 == 0 ); |
622 |
|
print "."; |
623 |
|
} |
624 |
}; |
}; |
625 |
|
|
626 |
} else { |
} else { |
628 |
} |
} |
629 |
} |
} |
630 |
|
|
631 |
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 $dump_avi"; |
632 |
system($cmd) == 0 || die "can't convert frames to avi using $cmd: $!"; |
system($cmd) == 0 || die "can't convert frames to avi using $cmd: $!"; |
633 |
|
|
634 |
print ">>>> created $frame_nr frames $dump_avi ", -s $dump_avi, "\n"; |
print ">>>> created $frame_nr frames $dump_avi ", -s $dump_avi, "\n"; |