X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;ds=sidebyside;f=make_mkv;fp=make_mkv;h=c4f37072f1c075cb2d2ee2ed8e817a6d1a3d26d6;hb=d0bb8d7ba0914fb2e31422aa1207ba6eaf490deb;hp=04556e523fca95ddf1c500130cb2fdd4c31f7a49;hpb=9580365135dbaa7c89e0e30f097c566e9a3a6650;p=videoscripts%2F.git

diff --git a/make_mkv b/make_mkv
index 04556e5..c4f3707 100755
--- a/make_mkv
+++ b/make_mkv
@@ -18,22 +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 --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"; }
@@ -43,6 +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;
@@ -111,22 +113,24 @@ my $cmd = "$mkvmerge --title \"$opt_t\" $output_file_options -o \"$opt_o\"";
 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 $interlaced = system('ffmpeg -i "$video" 2>&1 | grep -q "frame rate differs"');
-    if($interlaced != 0) {
+    my $progressive = system('$ffmpeg -i "$video" 2>&1 | grep -q "frame rate differs"');
+    if(!$progressive) {
 	my $video_mkv = $video;
-	my $video_ext = $video;
-	$video_ext =~ s/.*\.(\S+)$/$1/;
 	print "   Detected interlaced video content: $video\n";
 	if($video_ext !~ /mkv/i) {
-	    $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".mkv";
+	    $video_mkv =~ s/\.[^.]*$//; $video_mkv .= ".ffmpeg.mkv";
 	    print "   Re-muxing the interlaced video content as an mkv file: $video_mkv\n";
-	    my $make_mkv_cmd = "ffmpeg -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" > /dev/null 2>&1";
+	    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;
@@ -143,7 +147,41 @@ foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
     } else { 
 	print "   Detected progressive video content: $video\n";
     }
-    # Create our intput file command line options for this video
+
+    # 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 {