It's apparently a little known fact that you can easily convert files from format to another with gstreamer. For example, i wanted to convert an Ogg/Vorbis file in to MP3 format.

gst-launch-0.10 filesrc location=export.ogg ! \ 
   decodebin ! audioconvert ! audioresample ! \
   lame ! filesink location=export.mp3

That's a single command, split in to multiple lines for readability. If i had wanted wav files, i could have used wavenc instead of lame.

Sometimes i wonder why people want to build applications to do a task. Instead you could build on an existing framework and get a lot of features for free.

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