ffmpeg: Enable vf_libplacebo

mingw-w64-ffmpeg/PKGBUILD

@@ -7,7 +7,7 @@ _realname=ffmpeg
 pkgbase="mingw-w64-${_realname}"
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=5.1.2
-pkgrel=2
+pkgrel=3
 pkgdesc="Complete solution to record, convert and stream audio and video (mingw-w64)"
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32' 'clangarm64')
@@ -32,6 +32,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-aom"
          $([[ ${MINGW_PACKAGE_PREFIX} == *-clang-aarch64* ]] || echo "${MINGW_PACKAGE_PREFIX}-libmfx")
          "${MINGW_PACKAGE_PREFIX}-libmodplug"
          "${MINGW_PACKAGE_PREFIX}-libssh"
+         "${MINGW_PACKAGE_PREFIX}-libplacebo"
          "${MINGW_PACKAGE_PREFIX}-librsvg"
          "${MINGW_PACKAGE_PREFIX}-libsoxr"
          "${MINGW_PACKAGE_PREFIX}-libtheora"
@@ -134,6 +135,7 @@ build() {
     --enable-libopencore_amrwb
     --enable-libopenjpeg
     --enable-libopus
+    --enable-libplacebo
     --enable-librsvg
     --enable-librtmp
     --enable-libssh