Advanced Audio options
- '-atag fourcc/tag (output)'
-
Force audio tag/fourcc. This is an alias for
-tag:a. - '-absf bitstream_filter'
-
Deprecated, see -bsf
- '-guess_layout_max channels (input,per-stream)'
-
If some input channel layout is not known, try to guess only if it corresponds to at most the specified number of channels. For example, 2 tells to
ffmpegto recognize 1 channel as mono and 2 channels as stereo but not 6 channels as 5.1. The default is to always try to guess. Use 0 to disable all guessing.