> I am new to ffmpeg/avlib and what I am trying to do is just decode and encode > back again an aac file. I don't try to make any changes to the file although > the avlib encoder is producing a file with more initial padding than expected > and it is cropping the final frames of the audio clip. > I exported the avframes created by the decoder and all the file information > is there. It is at the encoding step that I am doing something wrong.
It sounds like you are not flushing the libfdk-aac encoder at the end. The encoder holds on to audio samples internally while you are encoding and you need to flush those last samples When you are finished encoding. - David
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