We've got two sources One video file (DNxHD36/mxf), no sound One wav file, 12 - 30 channels
Together these two files are our mezzanine The goal is to merge the two into one multiple times, each time with different audio mapping So for instance one merge might be wav 1 - 14 map to output a1 wav 15-24 map to output a2 Another might be wav odd channels to output a1 wav even channels to output a2 And yet another might be wav 1-4 to output a1 wav 5-8 to output a2 wav 9-16 to output a3 etc Basically what's in our wav channels and how they get mixed and mapped is an ever-changing thing. Reading the ffmpeg documentation ( https://trac.ffmpeg.org/wiki/AudioChannelManipulation ) I haven't yet made sense of the logic in part because when it comes to mapping multiple channels, the assumption seems to be that you're working with surround and/mixing down to stereo In our case we're mixing down (or just mapping) from a large number of channels to anything, from mono to 24 tracks, and by googling alone I haven't (yet) figured out how to write the code for that in a reliable / schematic way. Thanks for any clarity on this. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".