FFmpeg/FFmpeg — pull request #62 by tuoxie007 (2014-03-04 07:16:49+00:00)
Title: fixed: remuxing failed by example code

I got a error while remuxing a mp4 file while using the example code. After I set codec_tag = 0, it works fine.
I didn't get further in it, maybe there should be a better solution.
Please fix it.