####################################################################################################
# Configuration parameters - CHANGE THESE TO SUITE YOUR NEEDS
-my $mkvmerge=`which mkvmerge`; chomp($mkvmerge);
-my $ffmpeg=`which ffmpeg`; chomp($ffmpeg);
+my $mkvmerge='mkvmerge';
+my $ffmpeg='ffmpeg';
+my $handbrake='HandBrakeCLI';
+my $handbrake_options='--strict-anamorphic --crop 0:0:0:0 -E ac3';
my $tmpfile = `tempfile`; chomp($tmpfile);
my $chapter_file = $tmpfile;
my $input_file_options = "-S";
-my $output_file_options = "--chapters $chapter_file";
+my $output_file_options = "--chapters $chapter_file --compression -1:none";
my $timezone = `cat /etc/timezone`; chomp($timezone);
+my $interlaced_requantize_quality=0.85;
+my $progressive_requantize_quality=0.7;
####################################################################################################
####################################################################################################
# Command Line Options
-getopts("st:o:i:h");
+getopts("sqt:o:i:h");
-if(! -x $mkvmerge) { die "-E- Unable to find required program: mkvmerge\n"; }
-if(! -x $ffmpeg) { die "-E- Unable to find required program: ffmpeg\n"; }
if(! defined $opt_t) { &usage(); die "-E- Missing required title: -t <title>\n"; }
if(! defined $opt_o) { &usage(); die "-E- Missing required argument output video names: -o <output.mkv>\n"; }
if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
print " -t <title> Sets the general title for the output video file\n";
print " -o <output.mkv> Sets the name of the output mkv file\n";
print " -i <input,input,...> Sets the name of the input files to make into an mkv file\n";
+ print " -q Requantize MTS input videos to decrease output video size (requires HandBrakeCLI)\n";
print " -s Simulate mode. Don't actually make the video, but tell us what you will do\n";
print "\n";
return 1;
print "-> Creating the MKV video file '$opt_o'\n";
my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
+
+# Make our input file command line options for all the videos
my $video_count = 0;
+my @video_tmp_files;
foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
+ # Make a note of the video extension
+ my $video_ext = $video;
+ $video_ext =~ s/.*\.(\S+)$/$1/;
+
+ # Detect if the input file is interlaced or not.
+ # 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.
+ # 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.
+ # We will then merge this temporarily created mkv container into the final mkv container instead of the original interlaced video.
+ # http://ubuntuforums.org/showthread.php?t=1627194
+ # http://forum.doom9.org/showthread.php?t=155732&page=31
+ my $progressive = system('$ffmpeg -i "$video" 2>&1 | grep -q "frame rate differs"');
+ if(!$progressive) {
+ my $video_mkv = $video;
+ print " Detected interlaced video content: $video\n";
+ if($video_ext !~ /mkv/i) {
+ $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".ffmpeg.mkv";
+ print " Re-muxing the interlaced video content as an mkv file: $video_mkv\n";
+ my $make_mkv_cmd = "$ffmpeg -y -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" > /dev/null 2>&1";
+ if(! defined $opt_s) {
+ my $errno = system("$make_mkv_cmd");
+ $errno = $errno >> 8;
+ if($errno > 1) {
+ unlink "$video_mkv";
+ die "-E- ffmpeg encountered some errors with exit code $errno\n";
+ }
+ }
+ # Push the name of our intermediate video file onto a list of files to delete on exit
+ push(@video_tmp_files, "$video_mkv");
+ # Update the name of our video file to equal the name of our new intermediate video file name
+ $video = $video_mkv;
+ }
+ } else {
+ print " Detected progressive video content: $video\n";
+ }
+
+ # Re-quantize the input video to reduce the resulting output filesize
+ # This also gives us a chance to deinterlace the video as well
+ # Only do this for .MTS videos
+ if((defined $opt_q) && ($video_ext =~ /mts/i)) {
+
+ # Set our requantize factor accordingly
+ my $requantize_option = "";
+ if(!$progressive) { $requantize_option = "-q $interlaced_requantize_quality"; }
+ else { $requantize_option = "-q $progressive_requantize_quality"; }
+
+ # Set our de-interlace option accordingly
+ my $deinterlace_option = "";
+ if(!$progressive) { $deinterlace_option = "-d"; }
+
+ # Use HandBrake to requantize/deinterlace the input video
+ my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
+ print " Re-quantizing input video content: $video_mp4\n";
+ my $handbrake_cmd = "$handbrake $deinterlace_option $requantize_option $handbrake_options -i \"$video\" -o \"$video_mp4\" > /dev/null 2>&1";
+ if(! defined $opt_s) {
+ my $errno = system("$handbrake_cmd");
+ $errno = $errno >> 8;
+ if($errno > 1) {
+ unlink "$video_mp4";
+ die "-E- handbrake encountered some errors with exit code $errno\n";
+ }
+ }
+
+ # Push the name of our intermediate video file onto a list of files to delete on exit
+ push(@video_tmp_files, "$video_mp4");
+ # Update the name of our video file to equal the name of our new intermediate video file name
+ $video = $video_mp4;
+ }
+
+ # Create our input file command line options for this video
if($video_count == 0) {
$cmd .= " $input_file_options \"$video\"";
} else {
}
$video_count++;
}
-print "$cmd\n";
+
+# Execute our command line
+print "\n$cmd\n";
if(! defined $opt_s) {
my $errno = system("$cmd");
$errno = $errno >> 8;
# Remove the temporary file used for the chapter generation
if(-e "$tmpfile") { unlink "$tmpfile"; }
+# 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