--- /var/db/repos/gentoo/media-video/ffmpeg/ffmpeg-4.3.1.ebuild 2020-12-25 07:39:23.000000000 +0500
+++ ffmpeg-4.3.1-r1.ebuild      2020-07-28 15:30:50.000000000 +0500
@@ -91,6 +91,9 @@
                libsoxr
                # Threads; we only support pthread for now but ffmpeg supports more
                +threads:pthreads
+               # Intel Quick Sync Video
+               qsv:libmfx
+
 )
 
 # Same as above but for encoders, i.e. they do something only with USE=encode.
@@ -172,6 +175,9 @@
 
 RDEPEND="
        alsa? ( >=media-libs/alsa-lib-1.0.27.2[${MULTILIB_USEDEP}] )
+       amd64? (
+               qsv? ( >=media-libs/intel-mediasdk-20.1.1 )
+               )
        amr? ( >=media-libs/opencore-amr-0.1.3-r1[${MULTILIB_USEDEP}] )
        bluray? ( >=media-libs/libbluray-0.3.0-r1:=[${MULTILIB_USEDEP}] )
        bs2b? ( >=media-libs/libbs2b-3.1.0-r1[${MULTILIB_USEDEP}] )
@@ -314,6 +320,7 @@
        cuda? ( video_cards_nvidia )
        libv4l? ( v4l )
        fftools_cws2fws? ( zlib )
+       qsv? ( abi_x86_64 )
        test? ( encode )
        ${GPL_REQUIRED_USE}
        ${CPU_REQUIRED_USE}"

 MULTILIB_WRAPPED_HEADERS=(
@@ -396,7 +401,7 @@
 
        # (temporarily) disable non-multilib deps
        if ! multilib_is_native_abi; then
-               for i in frei0r librav1e libzmq ; do
+               for i in frei0r libmfx librav1e libzmq ; do
                        myconf+=( --disable-${i} )
                done
        fi