Added new feature to enable videos to be recompressed.

[videoscripts/.git] / make_mkv

diff --git a/make_mkv b/make_mkv
index c3a23987ada1b60fb104d5708d4046218dbf55bf..c5d1756f8ed57f40101ad09c71f21225659b9c42 100755 (executable)
--- a/make_mkv
+++ b/make_mkv
@@ -26,7 +26,7 @@ if( -f "$mydir/organize_videos.conf.local") { require "organize_videos.conf.loca
 
 ####################################################################################################
 # Command Line Options
-getopts("sqt:o:i:h");
+getopts("sqzt:o:i:h");
 
 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"; }
@@ -37,7 +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 MTS input videos to decrease output video size (requires HandBrakeCLI)\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;
@@ -123,7 +124,7 @@ foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
        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";
+           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;
@@ -141,24 +142,42 @@ foreach my $video (sort{$videos{$a} <=> $videos{$b}} keys %videos) {
        print "   Detected progressive video content: $video\n";
     }
 
-    # Re-quantize the input video to reduce the resulting output filesize
+    # 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 do this for .MTS videos
-    if((defined $opt_q) && ($video_ext =~ /mts/i)) {
+    # 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
-       my $requantize_option = "";
-       if(!$progressive) { $requantize_option = "-q $interlaced_requantize_quality"; }
-       else { $requantize_option = "-q $progressive_requantize_quality"; }
+       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/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";
+       # 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;
@@ -194,8 +213,10 @@ 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) {