Gentoo Packages

app-accessibility/whisper-cpp: Enable audio transcoding via media-video/ffmpeg (allows non-WAV input)
media-libs/rocDecode: Build the additional host-side software decoder, which falls back to <pkg>media-video/ffmpeg</pkg> for streams the hardware block cannot handle

Warning: USE flag 'ffmpeg' used by media-libs/mlt but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'ffmpeg' used by media-libs/opencv but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
app-accessibility/whisper-cpp	-	Enable audio transcoding via media-video/ffmpeg (allows non-WAV input)
media-libs/mlt	-	-
media-libs/opencv	-	-
media-libs/rocDecode	-	Build the additional host-side software decoder, which falls back to <pkg>media-video/ffmpeg</pkg> for streams the hardware block cannot handle

USE Flag: ffmpeg