How to merge 4 Audio and 1 Video .MXF files in to one h.264 video file on Linux using ffmpeg? On a recent video shoot, the camera man gave us output as .MXF files. Incidentally, Audio and Video are saved in separate .mxf files. 

eg:
0007WA00.MXF - Audio  (probe)
0007WA01.MXF - Audio  (probe)
0007WA02.MXF - Audio  (probe)
0007WA03.MXF - Audio  (probe)
0007WA.MXF - Video  (probe)

I am trying to figure out how to merge these in to a single video file. So far I couldn't find a way out.

[Edit: 20 Jun 2019]
I managed to get audio and video stitched. However, audio is mono. Want a little clarity on whether I can have stereo or surround by utilizing the 4 audio files.

Command that worked:

ffmpeg -i 0007WA.MXF -i 0007WA00.MXF -i 0007WA01.MXF -i 0007WA02.MXF -i 0007WA03.MXF -c:v libx264 -c:a aac -strict experimental ../ffmpeg-stitch-mxf.mp4


Let me add that I am not an expert at this. Perhaps some may find my questions naive.
I used ffmpeg with only '-i' switch to figure out which stream was audio and which was video. Then executed the following to merge two audio channels and its video. 

ffmpeg -i 0007WA.MXF -i 0007WA00.MXF -i 0007WA01.MXF -filter_complex "[1:0] [2:0] amerge" -c:v libx264 -c:a aac -strict experimental -qscale 0 -y  ../ffmpeg-att2.mp4


I think there can be more options by utilizing all four audio files to make stereo or surround. However, I stopped here as the output was acceptable. Note - used '-qscale 0'  to limit quality-loss.