Common work flow for choosing "appropriate" media output format

[Nicolai Hess]

Hi there,

what is the common work flow or what is a gstreamer based application  way
for selecting an appropriate media format based on input
file giving by the user.

Consider you are writing an application for changing some mediafile
properties like
- volume
- duration
- start or end of media file


I know how to make a gst pipeline for opening, playing or change
the media data (volume control, or playing for a specific duration).


But how would I create the encoder or determine the audioformat
based on the input media file.

If the user selects an mp3, or a wave file, she expects to
find the modified media, stored with the same media format.

Is there a common way to create the "output-sink-path" based on
the input file format?



best regards
Nicolai Hess
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