ffmpeg - matlab mex interface for audio codecs

Target: cygwin/mingw 64 bit mex file (and it's c source code counterpart) callable from matlab which should interface with the FFMPEG libs (cygwin/mingw), along with example of matlab code calling all 3 functions, with focus on amrwb Re-encoding(recoding) function of ~100kb voice data, any bitrate chosen. The mex file expose 3 methods: Re-encoding(recoding), encode and decode callable from matlab, each with parameters similar (but not limited) to: -> encoder name (as per ffmpeg standard naming convention) -> bitrate -> the length of the INPUT array -> the pointer to the matlab array/matrix to be Re-encoding(recoding)/encoded/decoded The functions should return to matlab: -> success status -> the the length/dimensions of the result(OUTPUT) array -> the pointer to the result(OUTPUT) array itself Notes: - performance: there is a strong focus on the time it takes to invoke it, pass parameters, recoding/encode/decode, return results to matlab. -> One should review options like: [login to view URL]!topic/[login to view URL] - the mex function(s) will be called in parallel many times by the same matlab process, but with different arguments (different values of the input array). - as it will be called many times, so it needs to be memory leak proof - comments -> the code needs to have clear comments on what it does in each section and explain why this way (if more options have been compared). Flexibility: -> We can make a paid milestones in this order: - initial stages when only the amrwb recoding is working (before expanding to the rest of codecs) - before the final the performance improvements - before creating the encoding and decoding methods - before full documentation - before testing portability on linux Further opportunities: -> The code will be made open source in the matlab community, therefore you will get exposure on the matlab community/academia from where you might get further requests on similar topics -> I will retain your name and you will own the code further, so you can reuse it for any other project you might desire.