ks-tools/doc/ks-mp4k.md

ks-mp4k - Convert video file(s) to compact and efficient MP4 (4K).

Syntax:

• $ ks-mp4k </absolute/path/video.mkv> </path/prefix_name>

Default configuration:

• The script ks-mp4k use by default the following configuration:

  • - Resolution: 3840x2160
  • - Video codec: libx264
  • - Bitrate video: 6000k
  • - Preset: medium
  • - Audio codec: aac (stereo)
  • - Bitrate audio: 320k
  • - Default Audio: spa
  • - Default Subtitle: spa (forced)
  • - Container: mp4

• If you want to change the settings, you need to edit the ks-mp4k file and change the following variables:

  • # Basic parameters
  • rel_size="3840x2160"
  • vcodec="libx264"
  • b_vcodec="6000k"
  • # Presets: ultrafast, superfast, veryfast, faster,
  • # fast, medium (default), slow, slower, veryslow
  • v_preset="medium"
  • acodec="aac"
  • b_acodec="320k"
  • default_lang_audio="spa"
  • default_lang_subt="spa"
  • v_ext="mp4"

Example of use:

• An example of use would be the following:

  • $ ks-mp4k /data/movies/Example.mkv /data/converted/Example

• Executing the command, the file will be analyzed and a wizard will be shown to select the tracks, choose the settings and define the metadata:

  • * Information of Example.mkv:
  • .
  • + Video Tracks:
  • Stream #0:0: Video: h264 (High)
  • .
  • + Audio Tracks:
  • Stream #0:1(spa): Audio: ac3
  • Stream #0:2(eng): Audio: ac3
  • .
  • + Subtitle Tracks:
  • Stream #0:3(spa): Subtitle: subrip (default) (forced)
  • Stream #0:4(spa): Subtitle: hdmv_pgs_subtitle
  • Stream #0:5(spa): Subtitle: subrip (forced)
  • Stream #0:6(eng): Subtitle: subrip
  • .
  • * (Default: 0:0) Type the number of video track:
  • * (Default: 0:1) Type the number of audio track:
  • * (Default: n) Do you want include subtitles? (y/n): y
  • * (Default: 0:3) Type the number of subtitle track: 0:5
  • * (Default: 3840x2160) Type the resolution:
  • * (Default: n) Do you want apply '-max_muxing_queue_size 9999' patch? (y/n): n
  • .
  • * METADATA configuration:
  • .
  • * (Default: Example) Type name of title:
  • * (Default: 2021) Type the year: 2016
  • * (Default: Unknown) Type the genre: Thriller
  • .
  • * COMMANDS THAT WILL BE EXECUTED:
  • .
  • # Extract subtitles from file Example.mkv
  • ffmpeg -i "Example.mkv" -map 0:5 "Example.srt"
  • .
  • # Convert the file 'Example.mkv' to MP4
  • ffmpeg -i "Example.mkv" -vsync 1 -async 1 -map 0:0 -map 0:1 -vf subtitles="..srt" -s 3840x2160 -c:v libx264 -profile:v high -b:v 6000k -preset medium -c:a aac -b:a 320k -ac 2 -clev 3dB -slev -6dB -metadata title="Example (2016)" -metadata date="2016" -metadata genre="Thriller" -metadata:s:v:0 title="Example (2016)" -metadata:s:a:0 title="aac Stereo Audio (320k)" "Example.mp4"
  • .
  • * (Default: y) Do you want run the conversion? (y/n): n

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