"The encoder 'aac' is experimental but experimental codecs are not enabled"

Sandeep Nambiar

While converting flv to mp4 conversion using FFMPEG it's showing following error

[aac @ 0x2b4b640] The encoder 'aac' is experimental but experimental codecs are not enabled, add '-strict -2' if you want to use it.
freeseek

Actually it is not enough to add -strict -2 to the command line. It is very important where the -strict -2 is added and unfortunately this is not explained in the error message. It should be just before the last argument, that is, as follows:

ffmpeg -i infile -strict -2 outfile

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