# Pre-requisites:
# mkvtoolnix - http://www.bunkus.org/videotools/mkvtoolnix/
# ffmpeg
+# avconv
####################################################################################################
# Includes
####################################################################################################
# Command Line Options
-getopts("sqt:o:i:h");
+getopts("svqzt: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"; }
if(! defined $opt_i) { &usage(); die "-E- Missing required argument input video names: -i <input,input,...>\n"; }
+if(! -x $ffmpeg) { die "-E- Missing required executable for ffmpeg: $ffmpeg\n"; }
+if(! -x $avconv) { die "-E- Missing required executable for avconv: $avconv\n"; }
sub usage {
print "usage: $0 -t <title> -o <output.mkv> -i <input,input,...>\n";
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 " -v Increase verbosity for debug\n";
print "\n";
return 1;
}
# 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"');
+
+ # This is the best way to detect if content is interlaced or progressive:
+ # http://www.aktau.be/2013/09/22/detecting-interlaced-video-with-ffmpeg/
+ my $progressive = 0;
+ my $detect_cmd = "$ffmpeg -filter:v idet -frames:v 100 -an -f rawvideo -y /dev/null -i \"$video\" 2>&1 | grep Parsed_idet";
+ if($opt_v) { print " $detect_cmd\n"; }
+ my $detect_output = `$detect_cmd`;
+ if($detect_output !~ /Progressive:0/) { $progressive = 1; }
if(!$progressive) {
my $video_mkv = $video;
print " Detected interlaced video content: $video\n";
+ # We don't need to do this anymore since it is not an issue with the new mkvmerge
if($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 $make_mkv_cmd = "$avconv -y -i \"$video\" -scodec copy -acodec copy -vcodec copy -f matroska \"$video_mkv\" >> \"$tmpfile\" 2>&1";
+ if($opt_v) { print " $make_mkv_cmd\n"; }
+ if(! defined $opt_s) {
my $errno = system("$make_mkv_cmd");
$errno = $errno >> 8;
if($errno > 1) {
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 = $handbrake_recompress_options;
+ # We want our audio to be passed-through by default, so detect how the audio of the input is encoded, and tell handbrake to make the output match
+ if($opt_v) { print " $ffmpeg -i \"$video\" 2>&1 | grep \"Audio\" | sed -r -e 's/.*?Audio: (\\S+).*?/\\1/'\n"; }
+ $AUDIO_CODEC=`$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";
+ if($opt_v) { print " $handbrake_cmd\n"; }
if(! defined $opt_s) {
my $errno = system("$handbrake_cmd");
$errno = $errno >> 8;
}
}
-# Remove the temporary file used for the chapter generation
+# Remove the temporary file used for ffmpeg and handbrake output
if(-e "$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) {
projects / videoscripts / .git / blobdiff