How to keep subtitle in HandBrakeCLI

handbrakesubtitles

I do use the commandline version of HandBrake – HandBrakeCLI.

I like the Normal preset of HandBrake and would like to continue using it. I found the actual command input of this preset, but what do I have to add / remove to keep subtitles?

 ./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -e x264  -q 20.0 -a 1 -E faac -B 160 -6 dpl2 -R Auto -D 0.0 --audio-copy-mask aac,ac3,dtshd,dts,mp3 --audio-fallback ffac3 -f mp4 --loose-anamorphic --modulus 2 -m --x264-preset veryfast --h264-profile main --h264-level 4.0

Best Answer

Subtitles should be automatically removed unless you specify to keep them.

-s "1,2,3,4,5,6"

should be generic enough in most cases to keep all subtitles (track 1-6), you can add as many numbers as you want, since requesting non-present subtitles causes no error.

There are more options, like "keep the language that was selected for audio".

https://trac.handbrake.fr/wiki/CLIGuide#SubtitleOptions

For you then it might be

./HandBrakeCLI -i DVD -o ~/Movies/movie.mp4 -e x264  -q 20.0 -a 1 -E faac -B 160 -6 dpl2 -R Auto -D 0.0 --audio-copy-mask aac,ac3,dtshd,dts,mp3 --audio-fallback ffac3 -f mp4 --loose-anamorphic --modulus 2 -m --x264-preset veryfast --h264-profile main --h264-level 4.0 -s "1,2,3,4,5,6"

to keep all subs.

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How to translate HandbrakeCLI options to FFmpeg options

Handbrake uses the x264 encoder for video conversion. There's a site with an overview of all the x264 options and their FFmpeg counterparts. However, these are a little deprecated and some of these options don't work anymore or might have been renamed. You should use the x264 profiles for most of the detail options—but we'll get there.

Many of the basic Handbrake options (e.g. frame rate) aren't specific to x264, and they are scattered across the FFmpeg online documentation.

Before we start, please check that you use a recent FFmpeg version. Their download site has static builds for all major operating systems.

Let's go:

--input "d:\input.mpg" --output "d:\output.mp4"

The FFmpeg syntax is ffmpeg -i input.mpg … d:\output.mp4.
--rate 29.97

Specify the video frame rate with -r 29.97. (Handbrake's --cfr just sets a constant frame rate. Not needed here).
--arate 44.1

Set the audio sample rate with -ar 44100 (in Hz).
--format mp4

Not needed because FFmpeg knows you want MP4.
--width 1920 --height 1080 --custom-anamorphic --display-width 1920 --keep-display-aspect --modulus 8 --crop 0:0:0:0

This doesn't do anything apart from setting the size to 1920×1080. In FFmpeg, do it with -s:v 1920x1080, or if you want to use the filters, -filter:v "scale=1920:1080".
--encoder x264 --vb 5200

Set the encoder with -c:v libx264 and the bit rate to constant with -b:v 5200K. Note that we're not there yet when it comes to quality settings.
--aencoder faac --ab 128 --mixdown stereo

Similar to above, with -c:a libfaac -b:a 128K -ac 2. Note that FAAC is not supported in FFmpeg anymore; instead, use the built-in FFmpeg encoder with -c:a aac -b:a 128K instead.
-x bitrate=5200:vbv-bufsize=5200:vbv-maxrate=5200

This sets the encoding mode to VBV which targets a streaming scenario instead of just a constant bitrate or constant quality. Constant quality is also called CRF, the default for x264 – it's called “Rate Factor” in Handbrake. While CRF usually gives you the best quality encodes, the VBV mode gives you a file that is better suited for streaming online or for certain devices with limited capabilities.

To set VBV, use the -maxrate 5200K and -bufsize 5200K options in ffmpeg.

To set CRF, use -crf 23 in ffmpeg.
level=42

Use -level 42. This is the H.264 Level.
bframes=2:min-keyint=60:keyint=60:ref=4

Set the number of B-Frames with -bf 2. The minimum keyframe interval is set with -keyint_min 60, and the maximum interval with -g 60. The number of reference pictures is set with -refs 4.
me=umh:merange=64:subme=7:8x8dct:cabac=1

These are options that you can set in ffmpeg additionally with -x264-params me=umh:merange=64:subme=7:8x8dct:cabac=1 – like any other x264 encoder setting that is not directly mapped to ffmpeg options.

Here's the "TL;DR" version if you're lazy, don't care about the details, or if things don't work: Use -preset:v medium (or leave it out, as the medium preset is default). The x264 presets choose a set of options that trade encoding speed for compression efficiency. They're conveniently named from ultrafast, superfast, veryfast, faster, fast, medium to slow, slower and veryslow. Choose whatever you feel comfortable with.

So, to summarize, the long version:

ffmpeg -i input.mpg -c:v libx264 -r 29.97 -s:v 1920x1080 -b:v 5200K -maxrate 5200K -bufsize 5200K -level 42 -bf 2 -keyint_min 60 -g 60 -refs 4 -x264-params me=umh:merange=64:subme=7:8x8dct:cabac=1 -c:a aac -b:a 128K -ar 44100 d:\output.mp4

Or the short one I'd use (with VBV encoding and a few detail options removed):

ffmpeg -i input.mpg -c:v libx264 -r 29.97 -s:v 1920x1080 -b:v 5200K -maxrate 5200K -bufsize 5200K -c:a aac -b:a 128K -ar 44100 d:\output.mp4

Changing to constant quality encoding for an all-purpose conversion, use this and change the -crf parameter from 18 to 28, where lower means better quality and 23 is default:

ffmpeg -i input.mpg -c:v libx264 -r 29.97 -s:v 1920x1080 -crf 23 -c:a aac -b:a 128K -ar 44100 d:\output.mp4

Best Answer

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