Most likely, vlc can do this, but the instructions fol. I need to extract an mp3 audio track from an mp4 video with ffmpeg. I want to merge these file to new.mp4 video file.
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Please suggest me how to achieve this. But i have no idea how to do that? I want to convert a whole folder of mp4 files to mp3.
I want to merge an audio file (.wav or.au format) with a video file (.mp4 format).
But i want to keep the thumbnail. I'm able to convert a mp4 to a mp3 in ffmpeg, but i'm not sure how i would add in a thumbnail of the video.
