X-Git-Url: http://git.pippins.net/embedvideo/.git/static/git-logo.png?a=blobdiff_plain;ds=sidebyside;f=make_mkv;h=04556e523fca95ddf1c500130cb2fdd4c31f7a49;hb=9580365135dbaa7c89e0e30f097c566e9a3a6650;hp=042e38eaca0eed66ede829b9c8f4a05f8ddaf0eb;hpb=c67ee10afd440a0f4eae901512b614e7d8c7deea;p=videoscripts%2F.git

diff --git a/make_mkv b/make_mkv
index 042e38e..04556e5 100755
--- a/make_mkv
+++ b/make_mkv
@@ -106,8 +106,44 @@ 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) {
+    # 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 $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";
+	    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";
+	    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: $video\n";
+    }
+    # Create our intput file command line options for this video
     if($video_count == 0) {
 	$cmd .= " $input_file_options \"$video\"";
     } else {
@@ -115,7 +151,9 @@ 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;
@@ -128,5 +166,10 @@ if(! defined $opt_s) {
 # Remove the temporary file used for the chapter generation
 if(-e "$tmpfile") { unlink "$tmpfile"; }
 
+# Remove any temporary video files created during the merge process
+foreach my $video (@video_tmp_files) {
+    if(-e "$video") { unlink "$video"; }
+}
+
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