Stefan Lapointe
Stefan Lapointe

Reputation: 89

Does container format conversion with FFmpeg involve any actual transcoding?

If I convert between mp4, webm, and mkv with FFmpeg, will it cause possibly lossy transcoding, or is it just putting the same stuff into a new "container"? Would this possibly depend on what codec is inside the container?

Upvotes: 1

Views: 368

Answers (1)

Stefan Lapointe
Stefan Lapointe

Reputation: 89

See the comment @VC.One made on my original post. Incidentally, today I found out about the -c copy option. So what I will do in practice is attempt to use that option whenever converting between container formats, and if it works, I know there is no transcoding, and if it doesn't work, I know there is transcoding.

Upvotes: 2

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