Consider the following file
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'infile.mp4':
Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1038
Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, 5.1, fltp, 386 kb/s
Stream #0:2(eng): Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 124 kb/s
I would like to run a
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