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—mp4box [2018/02/28 20:58] (current) – created - external edit 127.0.0.1
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 +====== mp4box ======
  
 +  * [[faac]]
 +  * [[libav]]
 +  * [[x264]]
 +  * [[Video Conversion]]
 +  * [[http://gpac.wp.mines-telecom.fr/mp4box/|Homepage]]
 +
 +mp4box is used to mux files into an MP4 container.
 +
 +== Create an MP4 file from an x264 video and a faac audio file for streaming ==
 +
 +<code>
 +faac -b 96k -o audio.m4a audio.wav
 +mp4box -add video.264 -add audio.m4a -fps 23.976 video.mp4
 +mp4box -inter 500 video.mp4
 +</code>
 +
 +If you are having trouble with the audio, try re-encoding it at a constant bitrate.
 +
 +In some cases, mp4box sets it's own FPS for the video, which is why -fps is passed.
 +
 +==== Metadata ====
 +
 +Get all the supported tags:
 +
 +<code>
 +MP4Box -tag-list
 +</code>
 +
 +<code>
 +Supported iTunes tag modifiers:
 +        album_artist    usage: album_artist=album artist
 +        album   usage: album=name
 +        tracknum        usage: track=x/N
 +        track   usage: track=name
 +        artist  usage: artist=name
 +        comment usage: comment=any comment
 +        compilation     usage: compilation=yes,no
 +        composer        usage: composer=name
 +        created usage: created=time
 +        disk    usage: disk=x/N
 +        tool    usage: tool=name
 +        genre   usage: genre=name
 +        name    usage: name=name
 +        tempo   usage: tempo=integer
 +        writer  usage: writer=name
 +        group   usage: group=name
 +        cover   usage: cover=file.jpg,file.png
 +        encoder usage: encoder=name
 +        gapless usage: gapless=yes,no
 +        all     usage: all=NULL
 +</code>
 +
 +Since the location and naming is confusing, here's the ''mediainfo'' output when some are set:
 +
 +<code>
 +General
 +Complete name                            : audio.m4a
 +Movie name                               : name
 +Album                                    : album
 +Album/Performer                          : album_artist
 +Track name/Position                      : 99
 +Performer                                : artist
 +Composer                                 : writer
 +Comment                                  : comment
 +trk                                      : track
 +com                                      : composer
 +</code>
 +
 +Converting M4A to MP3 with avconv, copying metadata, with id3v1 only:
 +
 +<code>
 +avconv -y -i source.m4a -map_metadata 0 -write_id3v1 1 -vn ouput.mp3
 +</code>
 +
 +Converting M4A to MP3 with avconv, copying metadata, with id3v2.3 only:
 +
 +<code>
 +avconv -y -i source.m4a -map_metadata 0 -id3v2_version 3 -vn ouput.mp3
 +</code>
 +
 +And stripping extra frames from conversion:
 +
 +<code>
 +id3v2 --remove-frame TXXX output.mp3
 +</code>
 +
 +  * ''name -> song''

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