X-Git-Url: http://git.pippins.net/embedvideo/.git/static/gitweb.js?a=blobdiff_plain;f=make_mkv;h=c4f37072f1c075cb2d2ee2ed8e817a6d1a3d26d6;hb=d0bb8d7ba0914fb2e31422aa1207ba6eaf490deb;hp=4c411529b887953d9e7a33df97ebedb4343cce14;hpb=6868d6dcb3b2aa816c411ccc640a38d73980df15;p=videoscripts%2F.git

diff --git a/make_mkv b/make_mkv
index 4c41152..c4f3707 100755
--- a/make_mkv
+++ b/make_mkv
@@ -18,21 +18,23 @@ use DateTime::Format::Duration;
 
 ####################################################################################################
 # 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 $tmpfile = `tempfile`; chomp($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 $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
@@ -42,6 +44,7 @@ sub usage {
     print "  -t <title>            Sets the general title for the output video file\n";
     print "  -o <output.mkv>       Sets the name of the output mkv file\n";
     print "  -i <input,input,...>  Sets the name of the input files to make into an mkv file\n";
+    print "  -q                    Requantize MTS input videos to decrease output video size (requires HandBrakeCLI)\n";
     print "  -s                    Simulate mode. Don't actually make the video, but tell us what you will do\n";
     print "\n";
     return 1;
@@ -52,6 +55,7 @@ sub usage {
 sub epoch_to_date {
     my ($epoch) = @_;
     my $mtime = DateTime->from_epoch(epoch => $epoch);
+    $mtime->set_time_zone($timezone);
     return sprintf("%4d",$mtime->year)."-".sprintf("%02d",$mtime->month)."-".sprintf("%02d",$mtime->day)." ".$mtime->hms;
 }
 
@@ -73,11 +77,8 @@ foreach $video (split(/,/, $opt_i)) {
 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 $prev_hour = 0;
-my $prev_min  = 0;
-my $prev_sec  = 0;
-my $new_duration = DateTime::Duration->new(years => 1900, hours => $prev_hour, minutes => $prev_min, seconds => $prev_sec);
-my $duration_format = DateTime::Format::Duration->new(pattern => '%H:%M:%S.%3N', normalize => 1);
+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;
@@ -91,14 +92,12 @@ foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
 	$min = $2;
 	$sec = "$3.$4";
     }
-    my $start_time = $duration_format->format_duration($new_duration);
+    my $timecode = $timecode_format->format_duration($chapter_timecode);
     print "$mdate $hour:$min:$sec  -> $video \n";
-    print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$start_time."\n";
+    print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."=".$timecode."\n";
     print CHAPTERS "CHAPTER".sprintf("%02d",$chapter_num)."NAME=".$mdate."\n";
-    my $dt = DateTime::Duration->new(years => 1900, hours => $hour, minutes => $min, seconds => $sec);
-    my $prev_dt = DateTime::Duration->new(years => 1900, hours => $prev_hour, minutes => $prev_min, seconds => $prev_sec);
-    $new_duration = $dt + $prev_dt;
-    $prev_hour = $hour; $prev_min = $min; $prev_sec = $sec;
+    my $dt = DateTime::Duration->new(years => 2000, hours => $hour, minutes => $min, seconds => $sec);
+    $chapter_timecode = $chapter_timecode + $dt;
 }
 close(CHAPTERS);
 print "\n-> Creating the following chapter file for this video:\n";
@@ -109,8 +108,80 @@ print "$chapter_file_contents\n";
 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 $requantize_option -E ac3 -i \"$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 {
@@ -118,15 +189,25 @@ foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
     }
     $video_count++;
 }
-print "$cmd\n";
+
+# Execute our command line
+print "\n$cmd\n";
 if(! defined $opt_s) { 
     my $errno = system("$cmd");
-    if($errno > 0) { $errno = $errno - 255; }
-    if($errno > 1) { die "-E- mkvmerge encountered some errors with exit code $errno\n"; }
+    $errno = $errno >> 8;
+    if($errno > 1) {
+	unlink "$opt_o";
+	die "-E- mkvmerge encountered some errors with exit code $errno\n";
+    }
 }
 
 # 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"; }
+}
+
 ####################################################################################################