media-video/mpv: make vdpau hwaccel non-automagic again in 9999.

This was a workaround for bug 558870, but it isn't needed anymore
since libav-12 is a must now.

Also update a couple of other configure options while at it.

Package-Manager: Portage-2.3.3, Repoman-2.3.1
Closes: gentoo#3247

media-video/mpv/mpv-9999.ebuild

@@ -193,6 +193,7 @@ src_configure() {
 		--disable-sdl1
 		$(use_enable oss oss-audio)
 		--disable-rsound		# Only available in overlays.
+		--disable-sndio			# Only available in overlays.
 		$(use_enable pulseaudio pulse)
 		$(use_enable jack)
 		$(use_enable openal)
@@ -233,8 +234,8 @@ src_configure() {
 		# HWaccels:
 		# Automagic Video Toolbox HW acceleration. See Gentoo bug 577332.
 		$(use_enable vaapi vaapi-hwaccel)
-		# Automagic VDPAU HW acceleration. See Gentoo bug 558870.
-		--disable-cuda			# No support in ffmpeg. See Gentoo bug 595450.
+		$(use_enable vdpau vdpau-hwaccel)
+		--disable-cuda-hwaccel	# No support in ffmpeg. See Gentoo bug 595450.
 
 		# TV features:
 		$(use_enable v4l tv)