[FFmpeg-user] How to Transcode ALL Audio streams from input to output using ffmpeg?

Mark Filipak markfilipak at neo.rr.com
Thu Nov 24 19:27:44 EET 2022

On 11/24/22 08:29, Mahesh Velankar wrote:
> I have an input MPEG TS file 'unit_test.ts'. This file has following
> content (shown by ffprobe):
> ...
> I tried this command:
> ffmpeg -i unit_test.ts -map 0 -c copy -c:a aac maud_test.ts
> ... 
> What that I am doing is not right?

I may not be correct, but I believe that '-c:a' defaults to solely the 1st audio stream.

> How should I get this done? (*I can write explicit stream by stream map and
> channel arguments to get that done;

I believe that's what you have to do.

> however I want the command line to be
> generic,

I believe that is not possible as FFmpeg is currently implemented.

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