Where can I buy the program (mp3 player) along with the source code and the rights to it?

Question

Programming

Advise a resource where you can buy a compiled version of the program with source codes and rights to it.

Answer 1

winamp :D

Answer 2

A very strange task. And the possibility of its implementation in its original form is doubtful. Unless you have a source of large funds, of course.
To make it clearer, tell us why you are not satisfied with the order of developing a player for your tasks or using Open Source solutions.

Answer 3

See what rights you need. For starters, you can consider open source projects. For example www.mpg123.org

Answer 4

At the negotiating table: choose software, get acquainted with copyright holders, make them an offer they can't refuse. We recently bought Winamp - an interesting project, I'm almost sure, we can agree on + 50%.