[FFmpeg-user] adding -ss and -t loses the audio stream on the output

Tim Nicholson tim.nicholson at bbc.co.uk
Wed Feb 1 13:31:36 CET 2012

On 24/01/2012 20:05, Carl Eugen Hoyos wrote:
> Tim Nicholson<tim.nicholson<at>  bbc.co.uk>  writes:
>> So I have a command line to make two versions of a file that works
>> perfectly until I add in "-ss time -t duration". Then although
>> everything seems to work as normal, and the created files are the right
>> duration they lack the audio stream
> Is this also reproducible with a shorter command line (without filters)?
> Are external libraries (x264, faac) necessary to reproduce the problem?

I get the same result when changing the ouput to dvvideo/pcm16 and with 
only the lavi filter for doing the audio mapping.

If I remove the lavi filter I get the audio so it seems to be that which 
is causing the problem.


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