media-video/ffmpeg: Add USE flag for sofalizer filter

media-video/ffmpeg/ffmpeg-9999.ebuild

@@ -81,7 +81,7 @@ FFMPEG_FLAG_MAP=(
 		# libavfilter options
 		bs2b:libbs2b chromaprint flite:libflite frei0r
 		fribidi:libfribidi fontconfig ladspa libass truetype:libfreetype
-		rubberband:librubberband zimg:libzimg
+		rubberband:librubberband sofalizer:netcdf zimg:libzimg
 		# libswresample options
 		libsoxr
 		# Threads; we only support pthread for now but ffmpeg supports more
@@ -220,6 +220,10 @@ RDEPEND="
 	samba? ( >=net-fs/samba-3.6.23-r1[${MULTILIB_USEDEP}] )
 	schroedinger? ( >=media-libs/schroedinger-1.0.11-r1[${MULTILIB_USEDEP}] )
 	sdl? ( media-libs/libsdl2[sound,video,${MULTILIB_USEDEP}] )
+	sofalizer? (
+		>=sci-libs/netcdf-4.3.2-r1[hdf5,${MULTILIB_USEDEP}]
+		>=sci-libs/hdf5-1.8.18[hl,${MULTILIB_USEDEP}]
+	)
 	speex? ( >=media-libs/speex-1.2_rc1-r1[${MULTILIB_USEDEP}] )
 	ssh? ( >=net-libs/libssh-0.5.5[${MULTILIB_USEDEP}] )
 	truetype? ( >=media-libs/freetype-2.5.0.1:2[${MULTILIB_USEDEP}] )

media-video/ffmpeg/metadata.xml

@@ -49,6 +49,7 @@
 	<flag name="rubberband">Adds time-stretching and pitch-shifting audio filter based on <pkg>media-libs/rubberband</pkg>.</flag>
 	<flag name="schroedinger">Enable Dirac video support (an advanced royalty-free video compression format) via libschroedinger (high-speed implementation in C of the Dirac codec).</flag>
 	<flag name="snappy">Enable <pkg>app-arch/snappy</pkg> support. Required for e.g. Vidvox Hap encoder.</flag>
+	<flag name="sofalizer">Enables Sofalizer filter</flag>
 	<flag name="ssh">Enable SSH/sftp support via <pkg>net-libs/libssh</pkg>.</flag>
 	<flag name="twolame">Enables MP2 encoding via <pkg>media-sound/twolame</pkg> as an alternative to the internal encoder.</flag>
 	<flag name="vpx">Enables vp8 codec support using libvpx: Decoding vp8 does not require this to be enabled but libvpx can also be used for decoding; encoding vp8 requires this useflag to be enabled though.</flag>