X-Git-Url: http://git.pippins.net/embedvideo/.git/?a=blobdiff_plain;f=make_mkv;h=c5d1756f8ed57f40101ad09c71f21225659b9c42;hb=9990cf64d87333417ab72d6e106fa53df6ad2943;hp=042e38eaca0eed66ede829b9c8f4a05f8ddaf0eb;hpb=ff98ac971a1fd73de86500e8fffe633138098aa1;p=videoscripts%2F.git

diff --git a/make_mkv b/make_mkv
index 042e38e..c5d1756 100755
--- a/make_mkv
+++ b/make_mkv
@@ -17,23 +17,17 @@ use DateTime::Duration;
 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 $tmpfile = `tempfile`; chomp($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);
-####################################################################################################
-
+# Configuration parameters
+$mydir = `cd \$(dirname $0) 2>/dev/null; pwd`; chomp($mydir); unshift @INC,("$mydir");
+# Default configuration values
+require "organize_videos.conf";
+# Override defaults with local customizations
+if( -f "$mydir/organize_videos.conf.local") { require "organize_videos.conf.local"; }
 
 ####################################################################################################
 # Command Line Options
-getopts("st:o:i:h");
+getopts("sqzt: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 $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
@@ -43,6 +37,8 @@ sub usage {
     print "  -t <title>            Sets the general title for the output video file\n";
     print "  -o <output.mkv>       Sets the name of the output mkv file\n";
     print "  -i <input,input,...>  Sets the name of the input files to make into an mkv file\n";
+    print "  -q                    Requantize input videos to decrease output video size (requires HandBrakeCLI)\n";
+    print "  -z                    Recompress input videos to decrease output video size (requires HandBrakeCLI)\n";
     print "  -s                    Simulate mode. Don't actually make the video, but tell us what you will do\n";
     print "\n";
     return 1;
@@ -106,8 +102,98 @@ print "$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\" >> \"$tmpfile\" 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 or re-compress the input video to reduce the resulting output filesize
+    # This also gives us a chance to deinterlace the video as well
+    # Only re-quantize for .MTS videos
+    # We can re-compress any input video
+    if(((defined $opt_q) && ($video_ext =~ /mts/i)) || (defined $opt_z)) {
+
+	my $handbrake_options = "";
+
+	# Set our output video filename
+	my $video_mp4 = $video; $video_mp4 =~ s/\.[^.]*$//; $video_mp4 .= ".hb.mp4";
+	
+	# Set our requantize factor accordingly
+	if(defined $opt_q) {
+	    print "   Re-quantizing input video content to: $video_mp4\n";
+	    $handbrake_options = $handbrake_requantize_options;
+	    if(!$progressive) { $handbrake_options = "-q $interlaced_requantize_quality"; }
+	    else { $handbrake_options = "-q $progressive_requantize_quality"; }
+	};
+
+	# Set our recompress options accordingly
+	if(defined $opt_z) {
+	    print "   Re-compressing input video content to: $video_mp4\n";
+	    $handbrake_options = $handbrake_recompress_options;
+	    # 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
+	    $AUDIO_CODEC=`$ffmpeg -i "$video" 2>&1 | grep "Audio" | sed -r -e 's/.*?Audio: (\\S+),.*?/\\1/'`; chomp($AUDIO_CODEC);
+	    if($AUDIO_CODEC eq "") { die "-E- Unable to extract audio track encoding from input video file: $video\n"; }
+	    $handbrake_options .= " -E copy:$AUDIO_CODEC";
+	}
+	
+	# Set our de-interlace option accordingly
+	my $deinterlace_option = "";
+	if(!$progressive) { $deinterlace_option = "-d"; }
+
+	# Use HandBrake to requantize/recompress/deinterlace the input video
+	my $handbrake_cmd = "$handbrake $deinterlace_option $handbrake_options -i \"$video\" -o \"$video_mp4\" >> \"$tmpfile\" 2>&1";
+	#print "   $handbrake_cmd\n";
+	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 {
@@ -115,7 +201,9 @@ 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");
     $errno = $errno >> 8;
@@ -125,8 +213,15 @@ if(! defined $opt_s) {
     }
 }
 
-# Remove the temporary file used for the chapter generation
+# 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"; }
+
+# Remove any temporary video files created during the merge process
+foreach my $video (@video_tmp_files) {
+    if(-e "$video") { unlink "$video"; }
+}
 
 ####################################################################################################