use File::Basename;
use Getopt::Std;
use File::stat;
+use Data::Dumper;
use DateTime;
use DateTime::Duration;
use DateTime::Format::Duration;
sub usage {
print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
print " -t <title> Sets the general title for the output video file\n";
- print " -o <output.mkv> Sets the name of the output mkv file\n";
- print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
+ print " -o <output> Sets the basename of the output mkv file\n";
+ print " -i <input,input,...> Sets the names of the input files to combine into a new mkv file\n";
print " -q Requantize input videos to decrease output video size (requires HandBrakeCLI)\n";
print " -z Recompress input videos to decrease output video size (requires HandBrakeCLI)\n";
print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
return 1;
}
+$SIG{'INT'} = sub {die "-E- Killed by CTRL-C\n"};
####################################################################################################
# Helper Subroutines
sub epoch_to_date {
$videos{$video} = $mtime_epoch;
}
-# Create the chapters file for the mkv file.
-# Make each video file it's own chapter in the MKV file.
-# Name the chapter with the date and time the video clip was taken (modified date).
-print "-> Creating $opt_o with title '$opt_t' from the following video files in last modified date order:\n";
-open(CHAPTERS,">$chapter_file") || die "-E- Unable to create chapter file: $chapter_file\n";
-my $chapter_num = 0;
-my $chapter_timecode = DateTime::Duration->new(years => 2000, hours => 0, minutes => 0, seconds => 0);
-my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
-foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
- $chapter_num++;
- my $hour = 0;
- my $min = 5;
- my $sec = 0;
- my $mtime_epoch = stat("$video")->mtime;
- my $mdate = epoch_to_date($mtime_epoch);
- my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
- if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
- $hour = $1;
- $min = $2;
- $sec = "$3.$4";
- }
- my $timecode = $timecode_format->format_duration($chapter_timecode);
- print "$mdate $hour:$min:$sec -> $video \n";
- print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
- print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
- my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
- $chapter_timecode = $chapter_timecode + $dt;
-}
-close(CHAPTERS);
-print "\n-> Creating the following chapter file for this video:\n";
-$chapter_file_contents = `cat $chapter_file`;
-print "$chapter_file_contents\n";
-
-# Create the mkv video
-print "-> Creating the MKV video file '$opt_o'\n";
-
-my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
+####################################################################################################
+# 1) Create the mkv video
+print "-> Creating MKV video files with basename '$opt_o'\n";
# Make our input file command line options for all the videos
my @video_tmp_files;
-my %merge_cmd;
+my %merge_videos;
foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
# Make a note of the video extension
my $video_ext = $video;
if($errors == 0) {
# Push the name of our intermediate video file onto a list of files to delete on exit
push(@video_tmp_files, "$video_mkv");
+ # Copy the modification date from the src video to the dst video
+ system("touch \"$video_mkv\" -r \"$video\"");
# Update the name of our video file to equal the name of our new intermediate video file name
$video = $video_mkv;
}
my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
# Don't recompress certain file extensions
+ # Unless the video is not progressive or is rotated, then we do need to recompress it to deinterlace or unrotate it
my $no_recompress = 0;
- if($video =~ $no_recompress_file_ext) { $no_recompress = 1;}
+ if($no_recompress_file_ext && $progressive && ($video =~ $no_recompress_file_ext)) { $no_recompress = 1; }
+
+ # Set our rotate option accordingly to rotate videos taken in portrait mode to landscape
+ my $rotate = `$ffprobe "$video" 2>&1 | grep -e rotate | awk '{print \$3}'`; chomp($rotate);
+ if($rotate ne "") {
+ print " Detected rotated input video ($rotate). Rotating video to: $video_mp4\n";
+ if($rotate eq "90") { $handbrake_options .= " --rotate=4"; $rotated = "90"; }
+ if($rotate eq "180") { $handbrake_options .= " --rotate=3"; $rotated = "none"; }
+ $no_recompress = 0; # We have to recompress this video to unrotate it
+ }
- # Set our requantize factor accordingly
+ # Set our requantize factor accordingly
if(defined $opt_q and ! -f $video_mp4) {
print " Re-quantizing input video content to: $video_mp4\n";
$handbrake_options = $handbrake_requantize_options;
if($AUDIO_CODEC eq "") { print "-W- Unable to extract audio track encoding from input video file: $video\n"; $handbrake_options .= " -E copy"; }
else { $handbrake_options .= " -E copy:$AUDIO_CODEC"; }
}
-
- # Set our rotate option accordingly to rotate videos taken in portrait mode to landscape
- my $rotate = `$ffprobe "$video" 2>&1 | grep -e rotate | awk '{print \$3}'`; chomp($rotate);
- if($rotate ne "") {
- print " Detected rotated input video ($rotate). Rotating video to: $video_mp4\n";
- if($rotate eq "90") { $handbrake_options .= " --rotate=4"; $rotated = "90"; }
- if($rotate eq "180") { $handbrake_options .= " --rotate=3"; $rotated = "none"; }
- }
# Set our de-interlace option accordingly
my $deinterlace_option = "";
}
}
} else {
- if(! -f $video_mp4) {
+ if($no_recompress) {
print " Copying input video content to: $video_mp4\n";
system("cp \"$video\" \"$video_mp4\"") if(!$opt_s);
}
# Push the name of our intermediate video file onto a list of files to delete on exit
push(@video_tmp_files, "$video_mp4");
+ # Copy the modification date from the src video to the dst video
+ system("touch \"$video_mp4\" -r \"$video\"");
# Update the name of our video file to equal the name of our new intermediate video file name
$video = $video_mp4;
}
+
- # Create our mkvmerge input file command line options for this video
- if(not defined $merge_cmd{$rotated}) {
- $merge_cmd{$rotated} = "$cmd $input_file_options \"$video\"";
- } else {
- $merge_cmd{$rotated} .= " $input_file_options + \"$video\"";
- }
+ ####################################################################################################
+ # 2) Group the encoded videos together by their parameters
+ # We can merge videos that have the same parameters together in a destination video file.
+
+ # Dimensions
+ my $video_stream_info = `$ffprobe "$video" 2>&1 | grep -e "Stream.*Video"`; chomp($video_stream_info);
+ my $dimensions = "unknown";
+ if($video_stream_info =~ / (\d+x\d+)[,| ]/) { $dimensions = "$1"; }
+ else { print "-W- ffprobe was unable to find dimensions for video: $video\n"; }
+
+ # Audio Handler
+ my $audio_stream_info = `$ffprobe "$video" 2>&1 | grep -e "Stream.*Audio"`; chomp($video_stream_info);
+ my $audio_handler = "unknown";
+ if($audio_stream_info =~ / Hz, ([^,]+), /) { $audio_handler = "$1"; }
+ else { print "-W- ffprobe was unable to find audio handler for video: $video\n"; }
+
+ # Audio Codec
+ my $audio_codec = "unknown";
+ if($audio_stream_info =~ /Audio: (\S+) /) { $audio_codec = "$1"; }
+ else { print "-W- ffprobe was unable to find audio codec for video: $video\n"; }
+
+ # Now create our parameters string
+ my $parameters = "$dimensions.$audio_handler.$audio_codec";
+
+ print " Adding video $video to be merged into output video file: $opt_o.$parameters.mkv\n" if($opt_v);
+ push @{$merge_videos{"$parameters"}}, $video;
+}
+
+if($opt_v) {
+ print "\n-> Merge videos hash:\n";
+ print Dumper(\%merge_videos);
+ print "\n";
}
-# Execute our command line
-foreach my $key (keys %merge_cmd) {
- my $merge_cmd = $merge_cmd{$key};
- # if the $key is not none, change the output filename to avoid naming conflicts since it will need to create a separate output file
- if($key ne "none") {
- $merge_cmd =~ s/-o "(.*?)\.(mkv)"/-o "$1\.$key\.$2"/g;
+####################################################################################################
+# 3) Create a chapter file for each destination video file
+
+# tmp chapter file used by handbrake when creating mkv, but remove the 0 byte file it creates, we'll create it if we need it
+my $chapter_file = `tempfile`; chomp($chapter_file); unlink "$chapter_file";
+
+foreach my $key (keys %merge_videos) {
+ # Create the chapters file for each output mkv file.
+ # Make each video file it's own chapter in the MKV file.
+ # Name the chapter with the date and time the video clip was taken (modified date).
+ print "-> Creating $opt_o.$key.mkv with title '$opt_t' from the following video files in last modified date order:\n";
+ open(CHAPTERS,">$chapter_file.$key") || die "-E- Unable to create chapter file: $chapter_file.$key\n";
+ my $chapter_num = 0;
+ my $chapter_timecode = DateTime::Duration->new(years => 2000, hours => 0, minutes => 0, seconds => 0);
+ my $timecode_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
+ foreach my $video (@{$merge_videos{$key}}) {
+ $chapter_num++;
+ my $hour = 0;
+ my $min = 5;
+ my $sec = 0;
+ my $mtime_epoch = stat("$video")->mtime;
+ my $mdate = epoch_to_date($mtime_epoch);
+ my $duration = `$ffmpeg -i "$video" 2>&1 | grep Duration`;
+ if($duration =~ /Duration: (\d+):(\d+):(\d+)\.(\d+)/) {
+ $hour = $1;
+ $min = $2;
+ $sec = "$3.$4";
+ }
+ my $timecode = $timecode_format->format_duration($chapter_timecode);
+ print "$mdate $hour:$min:$sec -> $video \n";
+ print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
+ print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
+ my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
+ $chapter_timecode = $chapter_timecode + $dt;
+ }
+ close(CHAPTERS);
+ print "\n-> Creating the following chapter file $chapter_file.$key for this video:\n";
+ $chapter_file_contents = `cat $chapter_file.$key`;
+ print "$chapter_file_contents\n";
+}
+
+####################################################################################################
+# 4) Run mkvmerge to merge all of the videos together of the same parameters
+foreach my $key (keys %merge_videos) {
+ my $merge_cmd = "$mkvmerge --title \"$opt_t\" $output_file_options --chapters $chapter_file.$key -o \"$opt_o.$key.mkv\"";
+ my $i = 0;
+ foreach my $video (@{$merge_videos{$key}}) {
+ if($i == 0) {
+ $merge_cmd .= " $input_file_options \"$video\"";
+ } else {
+ $merge_cmd .= " $input_file_options + \"$video\"";
+ }
+ $i++;
}
print "\n$merge_cmd\n";
if(! defined $opt_s) {
+ if(-f "$opt_o.$key.mkv") { die "-E- Output video file $opt_o already exists. This is unexpected for key $key!"; }
my $errno = system("$merge_cmd");
$errno = $errno >> 8;
if($errno > 1) {
- unlink "$opt_o";
+ unlink "$opt_o.$key.mkv";
die "-E- mkvmerge encountered some errors with exit code $errno\n";
}
}
}
-# Remove the temporary file used for ffmpeg and handbrake output
-if(-e "$tmpfile") { unlink "$tmpfile"; }
-# Remove the temporary file used for the chapter generation
-if(-e "$chapter_file") { unlink "$chapter_file"; }
+####################################################################################################
+# 5) Remove all temporary files
+if(!$opt_s) {
+ # Remove the temporary file used for ffmpeg and handbrake output
+ if(-e "$tmpfile") { unlink "$tmpfile"; }
+
+ # Remove the temporary file used for the chapter generation
+ foreach my $key (keys %merge_videos) {
+ if(-e "$chapter_file.$key") { unlink "$chapter_file.$key"; }
+ }
-# Remove any temporary video files created during the merge process
-foreach my $video (@video_tmp_files) {
- if(-e "$video") { unlink "$video"; }
+ # Remove any temporary video files created during the merge process
+ foreach my $video (@video_tmp_files) {
+ if(-e "$video") { unlink "$video"; }
+ }
}
####################################################################################################
projects / videoscripts / .git / blobdiff