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='mkvmerge';
23 my $handbrake='HandBrakeCLI';
24 my $tmpfile = `tempfile`; chomp($tmpfile);
25 my $chapter_file = $tmpfile;
26 my $input_file_options = "-S";
27 my $output_file_options = "--chapters $chapter_file --compression -1:none";
28 my $timezone = `cat /etc/timezone`; chomp($timezone);
29 my $interlaced_requantize_quality=0.85;
30 my $progressive_requantize_quality=0.7;
31 ####################################################################################################
34 ####################################################################################################
35 # Command Line Options
38 if(! defined $opt_t) { &usage(); die "-E- Missing required title: -t <title>\n"; }
39 if(! defined $opt_o) { &usage(); die "-E- Missing required argument output video names: -o <output.mkv>\n"; }
40 if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
43 print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
44 print " -t <title> Sets the general title for the output video file\n";
45 print " -o <output.mkv> Sets the name of the output mkv file\n";
46 print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
47 print " -q Requantize MTS input videos to decrease output video size (requires HandBrakeCLI)\n";
48 print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
53 ####################################################################################################
57 my $mtime = DateTime->from_epoch(epoch => $epoch);
58 $mtime->set_time_zone($timezone);
59 return sprintf("%4d",$mtime->year)."-".sprintf("%02d",$mtime->month)."-".sprintf("%02d",$mtime->day)." ".$mtime->hms;
62 ####################################################################################################
65 # Turn the list of input videos into a hash with a value equal to the modification time in epoch seconds
67 foreach $video (split(/,/, $opt_i)) {
68 if(! -r "$video") { die "-E- Unable to read input video file: $video\n"; }
69 my $mtime_epoch = stat("$video")->mtime;
70 my $mdate = epoch_to_date($mtime_epoch);
71 $videos{$video} = $mtime_epoch;
74 # Create the chapters file for the mkv file.
75 # Make each video file it's own chapter in the MKV file.
76 # Name the chapter with the date and time the video clip was taken (modified date).
77 print "-> Creating $opt_o with title '$opt_t' from the following video files in last modified date order:\n";
78 open(CHAPTERS,">$chapter_file") || die "-E- Unable to create chapter file: $chapter_file\n";
80 my $chapter_timecode = DateTime::Duration->new(years => 2000, hours => 0, minutes => 0, seconds => 0);
81 my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
82 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
87 my $mtime_epoch = stat("$video")->mtime;
88 my $mdate = epoch_to_date($mtime_epoch);
89 my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
90 if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
95 my $timecode = $timecode_format->format_duration($chapter_timecode);
96 print "$mdate $hour:$min:$sec -> $video \n";
97 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
98 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
99 my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
100 $chapter_timecode = $chapter_timecode + $dt;
103 print "\n-> Creating the following chapter file for this video:\n";
104 $chapter_file_contents = `cat $chapter_file`;
105 print "$chapter_file_contents\n";
107 # Create the mkv video
108 print "-> Creating the MKV video file '$opt_o'\n";
110 my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
112 # Make our input file command line options for all the videos
115 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
116 # Make a note of the video extension
117 my $video_ext = $video;
118 $video_ext =~ s/.*\.(\S+)$/$1/;
120 # Detect if the input file is interlaced or not.
121 # There is a bug in mkvmerge 5.0.1 and earlier where if the video content is 1080i, it doesn't mux it properly, and it stutters.
122 # The quick solution to this issue is to run the interlaced video file through ffmpeg and tell it to copy the video/audio streams to a mkv container.
123 # We will then merge this temporarily created mkv container into the final mkv container instead of the original interlaced video.
124 # http://ubuntuforums.org/showthread.php?t=1627194
125 # http://forum.doom9.org/showthread.php?t=155732&page=31
126 my $progressive = system('$ffmpeg -i "$video" 2>&1 | grep -q "frame rate differs"');
128 my $video_mkv = $video;
129 print " Detected interlaced video content: $video\n";
130 if($video_ext !~ /mkv/i) {
131 $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".ffmpeg.mkv";
132 print " Re-muxing the interlaced video content as an mkv file: $video_mkv\n";
133 my $make_mkv_cmd = "$ffmpeg -y -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" > /dev/null 2>&1";
134 if(! defined $opt_s) {
135 my $errno = system("$make_mkv_cmd");
136 $errno = $errno >> 8;
139 die "-E- ffmpeg encountered some errors with exit code $errno\n";
142 # Push the name of our intermediate video file onto a list of files to delete on exit
143 push(@video_tmp_files, "$video_mkv");
144 # Update the name of our video file to equal the name of our new intermediate video file name
148 print " Detected progressive video content: $video\n";
151 # Re-quantize the input video to reduce the resulting output filesize
152 # This also gives us a chance to deinterlace the video as well
153 # Only do this for .MTS videos
154 if((defined $opt_q) && ($video_ext =~ /mts/i)) {
156 # Set our requantize factor accordingly
157 my $requantize_option = "";
158 if(!$progressive) { $requantize_option = "-q $interlaced_requantize_quality"; }
159 else { $requantize_option = "-q $progressive_requantize_quality"; }
161 # Set our de-interlace option accordingly
162 my $deinterlace_option = "";
163 if(!$progressive) { $deinterlace_option = "-d"; }
165 # Use HandBrake to requantize/deinterlace the input video
166 my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
167 print " Re-quantizing input video content: $video_mp4\n";
168 my $handbrake_cmd = "$handbrake $deinterlace_option $requantize_option -E ac3 -i \"$video\" -o \"$video_mp4\" > /dev/null 2>&1";
169 if(! defined $opt_s) {
170 my $errno = system("$handbrake_cmd");
171 $errno = $errno >> 8;
174 die "-E- handbrake encountered some errors with exit code $errno\n";
178 # Push the name of our intermediate video file onto a list of files to delete on exit
179 push(@video_tmp_files, "$video_mp4");
180 # Update the name of our video file to equal the name of our new intermediate video file name
184 # Create our input file command line options for this video
185 if($video_count == 0) {
186 $cmd .= " $input_file_options \"$video\"";
188 $cmd .= " $input_file_options + \"$video\"";
193 # Execute our command line
195 if(! defined $opt_s) {
196 my $errno = system("$cmd");
197 $errno = $errno >> 8;
200 die "-E- mkvmerge encountered some errors with exit code $errno\n";
204 # Remove the temporary file used for the chapter generation
205 if(-e "$tmpfile") { unlink "$tmpfile"; }
207 # Remove any temporary video files created during the merge process
208 foreach my $video (@video_tmp_files) {
209 if(-e "$video") { unlink "$video"; }
212 ####################################################################################################