2 # Author: Alan J. Pippin
3 # Description: Take a list of video files and create a single mkv video file from them
6 # mkvtoolnix - http://www.bunkus.org/videotools/mkvtoolnix/
9 ####################################################################################################
16 use DateTime::Duration;
17 use DateTime::Format::Duration;
19 ####################################################################################################
20 # Configuration parameters - CHANGE THESE TO SUITE YOUR NEEDS
21 my $mkvmerge=`which mkvmerge`; chomp($mkvmerge);
22 my $ffmpeg=`which ffmpeg`; chomp($ffmpeg);
23 my $tmpfile = `tempfile`; chomp($tmpfile);
24 my $chapter_file = $tmpfile;
25 my $input_file_options = "-S";
26 my $output_file_options = "--chapters $chapter_file";
27 ####################################################################################################
30 ####################################################################################################
31 # Command Line Options
34 if(! -x $mkvmerge) { die "-E- Unable to find required program: mkvmerge\n"; }
35 if(! -x $ffmpeg) { die "-E- Unable to find required program: ffmpeg\n"; }
36 if(! defined $opt_t) { &usage(); die "-E- Missing required title: -t <title>\n"; }
37 if(! defined $opt_o) { &usage(); die "-E- Missing required argument output video names: -o <output.mkv>\n"; }
38 if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
41 print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
42 print " -t <title> Sets the general title for the output video file\n";
43 print " -o <output.mkv> Sets the name of the output mkv file\n";
44 print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
45 print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
50 ####################################################################################################
54 my $mtime = DateTime->from_epoch(epoch => $epoch);
55 return sprintf("%4d",$mtime->year)."-".sprintf("%02d",$mtime->month)."-".sprintf("%02d",$mtime->day)." ".$mtime->hms;
58 ####################################################################################################
61 # Turn the list of input videos into a hash with a value equal to the modification time in epoch seconds
63 foreach $video (split(/,/, $opt_i)) {
64 if(! -r "$video") { die "-E- Unable to read input video file: $video\n"; }
65 my $mtime_epoch = stat("$video")->mtime;
66 my $mdate = epoch_to_date($mtime_epoch);
67 $videos{$video} = $mtime_epoch;
70 # Create the chapters file for the mkv file.
71 # Make each video file it's own chapter in the MKV file.
72 # Name the chapter with the date and time the video clip was taken (modified date).
73 print "-> Creating $opt_o with title '$opt_t' from the following video files in last modified date order:\n";
74 open(CHAPTERS,">$chapter_file") || die "-E- Unable to create chapter file: $chapter_file\n";
76 my $chapter_timecode = DateTime::Duration->new(years => 1900, hours => 0, minutes => 0, seconds => 0);
77 my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
78 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
83 my $mtime_epoch = stat("$video")->mtime;
84 my $mdate = epoch_to_date($mtime_epoch);
85 my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
86 if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
91 my $timecode = $timecode_format->format_duration($chapter_timecode);
92 print "$mdate $hour:$min:$sec -> $video \n";
93 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
94 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
95 my $dt = DateTime::Duration->new(years => 1900, hours => $hour, minutes => $min, seconds => $sec);
96 $chapter_timecode = $chapter_timecode + $dt;
99 print "\n-> Creating the following chapter file for this video:\n";
100 $chapter_file_contents = `cat $chapter_file`;
101 print "$chapter_file_contents\n";
103 # Create the mkv video
104 print "-> Creating the MKV video file '$opt_o'\n";
106 my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
108 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
109 if($video_count == 0) {
110 $cmd .= " $input_file_options \"$video\"";
112 $cmd .= " $input_file_options + \"$video\"";
117 if(! defined $opt_s) {
118 my $errno = system("$cmd");
119 if($errno > 0) { $errno = $errno - 255; }
120 if($errno > 1) { die "-E- mkvmerge encountered some errors with exit code $errno\n"; }
123 # Remove the temporary file used for the chapter generation
124 if(-e "$tmpfile") { unlink "$tmpfile"; }
126 ####################################################################################################