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MP4Box · gpac/gpac Wiki · GitHub
https://github.com/gpac/gpac/wiki/MP4Box#:~:text=MP4Box%20-add%20file.avi%20-new%20new_file.mp4%20Adding%20a%20secondary,media%20that%20can%20be%20imported%20from%20a%20container%3A
Adding subtitles and audio tracks to an MP4 video with …
https://gist.github.com/jamiew/5110703
# Add individual tracks to one megafile mp4box -add video.m4v:lang=en -add audio1.m4a:group=1:lang=en:name= " Dolby Surround " -add audio2.m4a:disable:group1:lang=en:name= " Director's Commentary " output.m4v
How to add audio tracks to an MP4 video file without re ...
https://www.youtube.com/watch?v=Rl9NyoB1UOk
In this video I explain how to add an audio track to an MP4 file without the need to re-encode, this means the original quality of your video will be preser...
mp4box man page - gpac - General Commands | ManKier
https://www.mankier.com/1/mp4box
Add an SRT subtitle file into an MP4 file: mp4box -add input_subs.srt:lang=eng -add input.mp4 output.mp4; Combine audio from one file and video from another: mp4box -add input1.mp4#audio -add input2.mp4#video output.mp4; tldr.sh. Synopsis. MP4Box [options] [file] [options] General Options. MP4Box is a multimedia packager, with a vast number of …
Demuxing audio tracks from .mp4 using mp4box - Stack …
https://stackoverflow.com/questions/34337545/demuxing-audio-tracks-from-mp4-using-mp4box
The audio tracks are encoded using the ALAC codec. I want to extract those using mp4box. What I've tryed so far for extracting a track is this: mp4box -single 1 "inputfile.mp4" -out "outputfile.m4a". What happens is, it works as that a outputfile.m4a is created, but something with the header/codec/file info seems to be malformated.
How to add an additional Sound track to an existing …
https://askubuntu.com/questions/317739/how-to-add-an-additional-sound-track-to-an-existing-video
Click add to select the video and audio files you want to merge. In the Tracks, chapters and tags: box, select the new audio track (from the audio file you added), then you will be able to set its language (under General track options tab) …
MP4Box: Track references not stripped on import - …
https://github.com/gpac/gpac/issues/874
mp4box video_new.mp4 -set-track-id 4:5. Or, equivalently, during the original creation of video_new.mp4 (again, using an audio track other than the one with the trackID of 4): mp4box -add "video.mp4#trackID=1" -add "video.mp4#trackID=3" -add "new_chapters.xml:name=:chap" -set-track-id 4:5 -new "video_new.mp4"
How to alter the Audio Language of tracks in MP4 files ...
https://www.floyd.dk/2016/02/01/how-to-alter-the-audio-language-of-tracks-in-mp4-files-m4v/
Use the following command to determine the available tracks in the file: mp4box -info name.of.my.file.m4v. This will list the details of each track available in the file. In the example below, there’s two audio tracks (TrackID 2 and TrackID 3), where the Type is “soun” (sound) and Language is “undetermined”. 3.
batch file - Adding subtitle from command line MP4Box ...
https://stackoverflow.com/questions/8979288/adding-subtitle-from-command-line-mp4box
The following command works perfectly from the command line: c:/GPAC/MP4Box -add c:/test.m4v#audio -add c:/test.m4v#video -add c:/test_en.srt:hdlr=sbtl:lang=en:group=2:layer=-1 -new c:/test2.m4v. However, what I really want to do is to put the command into a .bat file. The following is my command in the batch file: %1/GPAC/MP4Box -add %2/%3#audio -add …
gpac / Discussion / Authoring: Multiple-audio Tracks in .m4v
https://sourceforge.net/p/gpac/discussion/327349/thread/823b1854/
gpac This project migrated to https://github.com/gpac/gpac/ Brought to you by: cconcolato, jeanlf, rbouqueau This project can now be found here.
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