[FFmpeg-user] Usages about multi outputs

Moritz Barsnick barsnick at gmx.net
Thu Jan 15 11:25:14 CET 2015

On Thu, Jan 15, 2015 at 18:06:26 +0800, xiaoyaobms at 163.com wrote:
> Perfect! It works with small change  from -map "0:a" to -map 0:a.

Actually, you meant my -map "[0:a]". Sorry, my bad.

There _should_ also be some way to encode your audio only once, since
both your encodings are identical. Someone else will have to answer
that... I can't think of a way right now with only one ffmpeg call.

> Thanks a lot!

You're welcome,

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