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/
10 ####################################################################################################
17 use DateTime::Duration;
18 use DateTime::Format::Duration;
20 ####################################################################################################
21 # Configuration parameters
22 $mydir = `cd \$(dirname $0) 2>/dev/null; pwd`; chomp($mydir); unshift @INC,("$mydir");
23 # Default configuration values
24 require "organize_videos.conf";
25 # Override defaults with local customizations
26 if( -f "$mydir/organize_videos.conf.local") { require "organize_videos.conf.local"; }
28 ####################################################################################################
29 # Command Line Options
30 getopts("svqzt:o:i:h");
32 if(! defined $opt_t) { &usage(); die "-E- Missing required title: -t <title>\n"; }
33 if(! defined $opt_o) { &usage(); die "-E- Missing required argument output video names: -o <output.mkv>\n"; }
34 if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
35 if(! -x $ffmpeg) { die "-E- Missing required executable for ffmpeg: $ffmpeg\n"; }
36 if(! -x $avconv) { die "-E- Missing required executable for avconv: $avconv\n"; }
39 print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
40 print " -t <title> Sets the general title for the output video file\n";
41 print " -o <output.mkv> Sets the name of the output mkv file\n";
42 print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
43 print " -q Requantize input videos to decrease output video size (requires HandBrakeCLI)\n";
44 print " -z Recompress input videos to decrease output video size (requires HandBrakeCLI)\n";
45 print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
46 print " -v Increase verbosity for debug\n";
51 ####################################################################################################
55 my $mtime = DateTime->from_epoch(epoch => $epoch);
56 $mtime->set_time_zone($timezone);
57 return sprintf("%4d",$mtime->year)."-".sprintf("%02d",$mtime->month)."-".sprintf("%02d",$mtime->day)." ".$mtime->hms;
60 ####################################################################################################
63 # Turn the list of input videos into a hash with a value equal to the modification time in epoch seconds
65 foreach $video (split(/,/, $opt_i)) {
66 if(! -r "$video") { die "-E- Unable to read input video file: $video\n"; }
67 my $mtime_epoch = stat("$video")->mtime;
68 my $mdate = epoch_to_date($mtime_epoch);
69 $videos{$video} = $mtime_epoch;
72 # Create the chapters file for the mkv file.
73 # Make each video file it's own chapter in the MKV file.
74 # Name the chapter with the date and time the video clip was taken (modified date).
75 print "-> Creating $opt_o with title '$opt_t' from the following video files in last modified date order:\n";
76 open(CHAPTERS,">$chapter_file") || die "-E- Unable to create chapter file: $chapter_file\n";
78 my $chapter_timecode = DateTime::Duration->new(years => 2000, hours => 0, minutes => 0, seconds => 0);
79 my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
80 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
85 my $mtime_epoch = stat("$video")->mtime;
86 my $mdate = epoch_to_date($mtime_epoch);
87 my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
88 if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
93 my $timecode = $timecode_format->format_duration($chapter_timecode);
94 print "$mdate $hour:$min:$sec -> $video \n";
95 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
96 print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
97 my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
98 $chapter_timecode = $chapter_timecode + $dt;
101 print "\n-> Creating the following chapter file for this video:\n";
102 $chapter_file_contents = `cat $chapter_file`;
103 print "$chapter_file_contents\n";
105 # Create the mkv video
106 print "-> Creating the MKV video file '$opt_o'\n";
108 my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
110 # Make our input file command line options for all the videos
113 foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
114 # Make a note of the video extension
115 my $video_ext = $video;
116 $video_ext =~ s/.*\.(\S+)$/$1/;
118 # Detect if the input file is interlaced or not.
119 # 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.
120 # 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.
121 # We will then merge this temporarily created mkv container into the final mkv container instead of the original interlaced video.
122 # http://ubuntuforums.org/showthread.php?t=1627194
123 # http://forum.doom9.org/showthread.php?t=155732&page=31
125 # This is the best way to detect if content is interlaced or progressive:
126 # http://www.aktau.be/2013/09/22/detecting-interlaced-video-with-ffmpeg/
128 my $detect_cmd = "$ffmpeg -filter:v idet -frames:v 100 -an -f rawvideo -y /dev/null -i \"$video\" 2>&1 | grep Parsed_idet";
129 if($opt_v) { print " $detect_cmd\n"; }
130 my $detect_output = `$detect_cmd`;
131 if($detect_output !~ /Progressive:0/) { $progressive = 1; }
133 my $video_mkv = $video;
134 print " Detected interlaced video content: $video\n";
135 # We don't need to do this anymore since it is not an issue with the new mkvmerge
136 if($video_ext !~ /mkv/i) {
137 $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".ffmpeg.mkv";
138 print " Re-muxing the interlaced video content as an mkv file: $video_mkv\n";
139 my $make_mkv_cmd = "$avconv -y -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" >> \"$tmpfile\" 2>&1";
140 if($opt_v) { print " $make_mkv_cmd\n"; }
141 if(! defined $opt_s) {
142 my $errno = system("$make_mkv_cmd");
143 $errno = $errno >> 8;
146 die "-E- ffmpeg encountered some errors with exit code $errno\n";
149 # Push the name of our intermediate video file onto a list of files to delete on exit
150 push(@video_tmp_files, "$video_mkv");
151 # Update the name of our video file to equal the name of our new intermediate video file name
155 print " Detected progressive video content: $video\n";
158 # Re-quantize or re-compress the input video to reduce the resulting output filesize
159 # This also gives us a chance to deinterlace the video as well
160 # Only re-quantize for .MTS videos
161 # We can re-compress any input video
162 if(((defined $opt_q) && ($video_ext =~ /mts/i)) || (defined $opt_z)) {
164 my $handbrake_options = "";
166 # Set our output video filename
167 my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
169 # Set our requantize factor accordingly
171 print " Re-quantizing input video content to: $video_mp4\n";
172 $handbrake_options = $handbrake_requantize_options;
173 if(!$progressive) { $handbrake_options = "-q $interlaced_requantize_quality"; }
174 else { $handbrake_options = "-q $progressive_requantize_quality"; }
177 # Set our recompress options accordingly
179 print " Re-compressing input video content to: $video_mp4\n";
180 $handbrake_options = $handbrake_recompress_options;
181 # We want our audio to be passed-through by default, so detect how the audio of the input is encoded, and tell handbrake to make the output match
182 if($opt_v) { print " $ffmpeg -i \"$video\" 2>&1 | grep \"Audio\" | sed -r -e 's/.*?Audio: (\\S+).*?/\\1/'\n"; }
183 $AUDIO_CODEC=`$ffmpeg -i "$video" 2>&1 | grep "Audio" | sed -r -e 's/.*?Audio: (\\S+).*?/\\1/'`; chomp($AUDIO_CODEC);
184 if($AUDIO_CODEC eq "") { die "-E- Unable to extract audio track encoding from input video file: $video\n"; }
185 $handbrake_options .= " -E copy:$AUDIO_CODEC";
188 # Set our de-interlace option accordingly
189 my $deinterlace_option = "";
190 if(!$progressive) { $deinterlace_option = "-d"; }
192 # Use HandBrake to requantize/recompress/deinterlace the input video
193 my $handbrake_cmd = "$handbrake $deinterlace_option $handbrake_options -i \"$video\" -o \"$video_mp4\" >> \"$tmpfile\" 2>&1";
194 if($opt_v) { print " $handbrake_cmd\n"; }
195 if(! defined $opt_s) {
196 my $errno = system("$handbrake_cmd");
197 $errno = $errno >> 8;
200 die "-E- handbrake encountered some errors with exit code $errno\n";
204 # Push the name of our intermediate video file onto a list of files to delete on exit
205 push(@video_tmp_files, "$video_mp4");
206 # Update the name of our video file to equal the name of our new intermediate video file name
210 # Create our input file command line options for this video
211 if($video_count == 0) {
212 $cmd .= " $input_file_options \"$video\"";
214 $cmd .= " $input_file_options + \"$video\"";
219 # Execute our command line
221 if(! defined $opt_s) {
222 my $errno = system("$cmd");
223 $errno = $errno >> 8;
226 die "-E- mkvmerge encountered some errors with exit code $errno\n";
230 # Remove the temporary file used for ffmpeg and handbrake output
231 if(-e "$tmpfile") { unlink "$tmpfile"; }
232 # Remove the temporary file used for the chapter generation
233 if(-e "$chapter_file") { unlink "$chapter_file"; }
235 # Remove any temporary video files created during the merge process
236 foreach my $video (@video_tmp_files) {
237 if(-e "$video") { unlink "$video"; }
240 ####################################################################################################