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
21 $mydir = `cd \$(dirname $0) 2>/dev/null; pwd`; chomp($mydir); unshift @INC,("$mydir");
22 # Default configuration values
23 require "organize_videos.conf";
24 # Override defaults with local customizations
25 if( -f "$mydir/organize_videos.conf.local") { require "organize_videos.conf.local"; }
27 ####################################################################################################
28 # Command Line Options
29 getopts("svqzt:o:i:h");
31 if(! defined $opt_t) { &usage(); die "-E- Missing required title: -t <title>\n"; }
32 if(! defined $opt_o) { &usage(); die "-E- Missing required argument output video names: -o <output.mkv>\n"; }
33 if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
36 print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
37 print " -t <title> Sets the general title for the output video file\n";
38 print " -o <output.mkv> Sets the name of the output mkv file\n";
39 print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
40 print " -q Requantize input videos to decrease output video size (requires HandBrakeCLI)\n";
41 print " -z Recompress input videos to decrease output video size (requires HandBrakeCLI)\n";
42 print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
43 print " -v Increase verbosity for debug\n";
48 ####################################################################################################
52 my $mtime = DateTime->from_epoch(epoch => $epoch);
53 $mtime->set_time_zone($timezone);
54 return sprintf("%4d",$mtime->year)."-".sprintf("%02d",$mtime->month)."-".sprintf("%02d",$mtime->day)." ".$mtime->hms;
57 ####################################################################################################
60 # Turn the list of input videos into a hash with a value equal to the modification time in epoch seconds
62 foreach $video (split(/,/, $opt_i)) {
63 if(! -r "$video") { die "-E- Unable to read input video file: $video\n"; }
64 my $mtime_epoch = stat("$video")->mtime;
65 my $mdate = epoch_to_date($mtime_epoch);
66 $videos{$video} = $mtime_epoch;
69 # Create the chapters file for the mkv file.
70 # Make each video file it's own chapter in the MKV file.
71 # Name the chapter with the date and time the video clip was taken (modified date).
72 print "-> Creating $opt_o with title '$opt_t' from the following video files in last modified date order:\n";
73 open(CHAPTERS,">$chapter_file") || die "-E- Unable to create chapter file: $chapter_file\n";
75 my $chapter_timecode = DateTime::Duration->new(years => 2000, hours => 0, minutes => 0, seconds => 0);
76 my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
77 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
82 my $mtime_epoch = stat("$video")->mtime;
83 my $mdate = epoch_to_date($mtime_epoch);
84 my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
85 if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
90 my $timecode = $timecode_format->format_duration($chapter_timecode);
91 print "$mdate $hour:$min:$sec -> $video \n";
92 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
93 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
94 my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
95 $chapter_timecode = $chapter_timecode + $dt;
98 print "\n-> Creating the following chapter file for this video:\n";
99 $chapter_file_contents = `cat $chapter_file`;
100 print "$chapter_file_contents\n";
102 # Create the mkv video
103 print "-> Creating the MKV video file '$opt_o'\n";
105 my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
107 # Make our input file command line options for all the videos
110 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
111 # Make a note of the video extension
112 my $video_ext = $video;
113 $video_ext =~ s/.*\.(\S+)$/$1/;
115 # Detect if the input file is interlaced or not.
116 # 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.
117 # 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.
118 # We will then merge this temporarily created mkv container into the final mkv container instead of the original interlaced video.
119 # http://ubuntuforums.org/showthread.php?t=1627194
120 # http://forum.doom9.org/showthread.php?t=155732&page=31
122 # This is the best way to detect if content is interlaced or progressive:
123 # http://www.aktau.be/2013/09/22/detecting-interlaced-video-with-ffmpeg/
125 my $detect_cmd = "$ffmpeg -filter:v idet -frames:v 100 -an -f rawvideo -y /dev/null -i \"$video\" 2>&1 | grep Parsed_idet";
126 if($opt_v) { print " $detect_cmd\n"; }
127 my $detect_output = `$detect_cmd`;
128 if($detect_output !~ /Progressive:0/) { $progressive = 1; }
130 my $video_mkv = $video;
131 print " Detected interlaced video content: $video\n";
132 # We don't need to do this anymore since it is not an issue with the new mkvmerge
133 if(0 && $video_ext !~ /mkv/i) {
134 $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".ffmpeg.mkv";
135 print " Re-muxing the interlaced video content as an mkv file: $video_mkv\n";
136 my $make_mkv_cmd = "$ffmpeg -y -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" >> \"$tmpfile\" 2>&1";
137 if($opt_v) { print " $make_mkv_cmd\n"; }
138 if(! defined $opt_s) {
139 my $errno = system("$make_mkv_cmd");
140 $errno = $errno >> 8;
143 die "-E- ffmpeg encountered some errors with exit code $errno\n";
146 # Push the name of our intermediate video file onto a list of files to delete on exit
147 push(@video_tmp_files, "$video_mkv");
148 # Update the name of our video file to equal the name of our new intermediate video file name
152 print " Detected progressive video content: $video\n";
155 # Re-quantize or re-compress the input video to reduce the resulting output filesize
156 # This also gives us a chance to deinterlace the video as well
157 # Only re-quantize for .MTS videos
158 # We can re-compress any input video
159 if(((defined $opt_q) && ($video_ext =~ /mts/i)) || (defined $opt_z)) {
161 my $handbrake_options = "";
163 # Set our output video filename
164 my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
166 # Set our requantize factor accordingly
168 print " Re-quantizing input video content to: $video_mp4\n";
169 $handbrake_options = $handbrake_requantize_options;
170 if(!$progressive) { $handbrake_options = "-q $interlaced_requantize_quality"; }
171 else { $handbrake_options = "-q $progressive_requantize_quality"; }
174 # Set our recompress options accordingly
176 print " Re-compressing input video content to: $video_mp4\n";
177 $handbrake_options = $handbrake_recompress_options;
178 # We want our audio to be passed-through by default, so detect how the audio of the input is encoded, and tell handbrake to make the output match
179 if($opt_v) { print " $ffmpeg -i \"$video\" 2>&1 | grep \"Audio\" | sed -r -e 's/.*?Audio: (\\S+).*?/\\1/'\n"; }
180 $AUDIO_CODEC=`$ffmpeg -i "$video" 2>&1 | grep "Audio" | sed -r -e 's/.*?Audio: (\\S+).*?/\\1/'`; chomp($AUDIO_CODEC);
181 if($AUDIO_CODEC eq "") { die "-E- Unable to extract audio track encoding from input video file: $video\n"; }
182 $handbrake_options .= " -E copy:$AUDIO_CODEC";
185 # Set our de-interlace option accordingly
186 my $deinterlace_option = "";
187 if(!$progressive) { $deinterlace_option = "-d"; }
189 # Use HandBrake to requantize/recompress/deinterlace the input video
190 my $handbrake_cmd = "$handbrake $deinterlace_option $handbrake_options -i \"$video\" -o \"$video_mp4\" >> \"$tmpfile\" 2>&1";
191 if($opt_v) { print " $handbrake_cmd\n"; }
192 if(! defined $opt_s) {
193 my $errno = system("$handbrake_cmd");
194 $errno = $errno >> 8;
197 die "-E- handbrake encountered some errors with exit code $errno\n";
201 # Push the name of our intermediate video file onto a list of files to delete on exit
202 push(@video_tmp_files, "$video_mp4");
203 # Update the name of our video file to equal the name of our new intermediate video file name
207 # Create our input file command line options for this video
208 if($video_count == 0) {
209 $cmd .= " $input_file_options \"$video\"";
211 $cmd .= " $input_file_options + \"$video\"";
216 # Execute our command line
218 if(! defined $opt_s) {
219 my $errno = system("$cmd");
220 $errno = $errno >> 8;
223 die "-E- mkvmerge encountered some errors with exit code $errno\n";
227 # Remove the temporary file used for ffmpeg and handbrake output
228 if(-e "$tmpfile") { unlink "$tmpfile"; }
229 # Remove the temporary file used for the chapter generation
230 if(-e "$chapter_file") { unlink "$chapter_file"; }
232 # Remove any temporary video files created during the merge process
233 foreach my $video (@video_tmp_files) {
234 if(-e "$video") { unlink "$video"; }
237 ####################################################################################################