I am a beginner developer want to develop a MP3 to AAC converter for Linux. But I don t know how to start as I havn t done any development in Linux before. I am using Ubuntu 10.04. Can anyone tell me how to start and from where? What libraries do I need?
Thanks
If you want to use an encoder, FAAC is open source, so you could write a program that uses it. Or check out the source code.
I.A.N.A.L. but, AAC is a patented technology, so you may have to pay fees to make a commercial project.
A good place to start learning how lots of Unix programs are written, is using the GNU toolchain, GCC, Make, Configure etc...
The ffmpeg libraries are a great swiss army knife for anything dealing with audio/video. In fact, you can use the ffmpeg command-line interface to easily convert between MP3 and AAC:
ffmpeg -i <path to MP3 file> <path to AAC file>
This requires that ffmpeg be compiled with FAAC and LAME support. I don t think Ubuntu s ffmpeg libraries include these by default for legal reasons, but there are ways to install MP3 and AAC enabled versions: http://gebaar.blogspot.com/2009/06/howto-easily-enable-mp3-mpeg4-aac-and.html
If you want to use ffmpeg s underlying libraries (libavcodec, libavformat, etc) to code it yourself: http://cekirdek.pardus.org.tr/~ismail/ffmpeg-docs/api-example_8c-source.html
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