WIP to get >16-bit multi-channel audio working.
WIP to get >16-bit multi-channel audio working.

Seems close, but something is wrong.

wideioltd/mlt,j-b-m/mlt,ttill/MLT-roto-tracking,j-b-m/mlt,xzhavilla/mlt,xzhavilla/mlt,anba8005/mlt,wideioltd/mlt,ttill/MLT-roto-tracking,mltframework/mlt,xzhavilla/mlt,siddharudh/mlt,mltframework/mlt,gmarco/mlt-orig,gmarco/mlt-orig,ttill/MLT,zzhhui/mlt,gmarco/mlt-orig,anba8005/mlt,xzhavilla/mlt,zzhhui/mlt,anba8005/mlt,gmarco/mlt-orig,siddharudh/mlt,ttill/MLT-roto-tracking,j-b-m/mlt,siddharudh/mlt,j-b-m/mlt,zzhhui/mlt,ttill/MLT,siddharudh/mlt,j-b-m/mlt,anba8005/mlt,gmarco/mlt-orig,mltframework/mlt,ttill/MLT,zzhhui/mlt,j-b-m/mlt,ttill/MLT,wideioltd/mlt,xzhavilla/mlt,anba8005/mlt,siddharudh/mlt,ttill/MLT,zzhhui/mlt,j-b-m/mlt,xzhavilla/mlt,j-b-m/mlt,ttill/MLT,siddharudh/mlt,wideioltd/mlt,zzhhui/mlt,mltframework/mlt,ttill/MLT,anba8005/mlt,j-b-m/mlt,ttill/MLT-roto-tracking,siddharudh/mlt,gmarco/mlt-orig,ttill/MLT-roto-tracking,zzhhui/mlt,j-b-m/mlt,gmarco/mlt-orig,ttill/MLT-roto-tracking,wideioltd/mlt,ttill/MLT-roto-tracking,zzhhui/mlt,wideioltd/mlt,wideioltd/mlt,ttill/MLT,siddharudh/mlt,mltframework/mlt,xzhavilla/mlt,mltframework/mlt,ttill/MLT-roto-tracking,mltframework/mlt,anba8005/mlt,mltframework/mlt,siddharudh/mlt,wideioltd/mlt,xzhavilla/mlt,ttill/MLT,gmarco/mlt-orig,ttill/MLT-roto-tracking,gmarco/mlt-orig,xzhavilla/mlt,wideioltd/mlt,mltframework/mlt,mltframework/mlt,anba8005/mlt,anba8005/mlt,zzhhui/mlt