Hi, On Mon, Nov 5, 2018 at 10:59 AM Ben <[email protected]> wrote: > > As I read I can lossless re-package an existing video from a source container > file into a different target container file by issuing e.g. the following > command: > > FFmpeg.exe -i sample.mp4 -acodec copy -vcodec copy sample.avi > > or > > FFmpeg.exe -i sample.avi -acodec copy -vcodec copy sample.mkv > > So the target container type is simply identified by the target file > extension. > No additional parameter is required. > Correct?
Pretty much, but you might want to add `-map 0` so that all tracks in your source file make their way into your output file. By default, ffmpeg will only map one track of each type (audio/video etc). https://trac.ffmpeg.org/wiki/Map > > "Lossless" means without re-encoding the video and audio content. > Meta data values are obviously lost when "downgrading" e.g. from MP4 to AVI. > This loss of metadata is definitely something to watch out for. Best, Kieran. _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
