heavy optimization on ffmpeg

ajatt/packages/video.scm

@@ -320,6 +320,8 @@
         "--enable-libspeex"
 	;;	"--enable-libvvenc"  TODO: this needs a patch
 	;;                                 https://patchwork.ffmpeg.org/series/12059/mbox/
+	"--extra-cflags=-Ofast"
+	"--extra-cxxflags=-Ofast"
         "--enable-libsrt"
         "--enable-libtheora"
         "--enable-libtwolame"
@@ -389,4 +391,100 @@ audio/video codec library.")
    (license license:gpl2+)))
 
 
+(define-public mpv-vvdec
+  (package
+   (name "mpv-vvdec")
+   (version "0.38.0.1")
+   (source
+    (origin
+     (method git-fetch)
+     (uri
+      (git-reference
+       (url "https://github.com/mpv-player/mpv.git")
+       (commit "6107112b32e748c55dd2d344b8871ad60c0c504c")))
+     (sha256
+      (base32 "0qr4sp3gq3pxpl7nr2dxd628jmdwv09f76pgsyc5rydz05ahymym"))))
+   (build-system meson-build-system)
+   (arguments
+    (list
+     #:phases
+     #~(modify-phases %standard-phases
+		      (add-after 'unpack 'patch-file-names
+				 (lambda* (#:key inputs #:allow-other-keys)
+					  (substitute* "player/lua/ytdl_hook.lua"
+						       (("\"yt-dlp\",")
+							(string-append
+							 "\"" (search-input-file inputs "bin/yt-dlp") "\",")))))
+		      (add-before 'configure 'build-reproducibly
+				  (lambda _
+				    ;; Somewhere in the build system library dependencies are enumerated
+				    ;; and passed as linker flags, but the order in which they are added
+				    ;; varies.  See <https://github.com/mpv-player/mpv/issues/7855>.
+				    ;; Set PYTHONHASHSEED as a workaround for deterministic results.
+				    (setenv "PYTHONHASHSEED" "1"))))
+     #:configure-flags
+     #~(list "-Dlibmpv=true"
+             "-Dcdda=enabled"
+             "-Ddvdnav=enabled"
+             "-Dbuild-date=false")))
+   (native-inputs
+    (list perl                         ;for zsh completion file
+          pkg-config
+          python-docutils
+          python-wrapper))
+   ;; Missing features: libguess, V4L2.
+   (inputs
+    (list enca
+          ladspa
+          lcms
+          libbs2b
+	  vvdec
+          mpg123
+          rsound
+          vulkan-headers
+          vulkan-loader
+          yt-dlp))
+   ;; XXX: These are propagated for the mpv pkg-config package, as they are
+   ;; listed in Requires.private and would break 'pkg-config --exists mpv' if
+   ;; unavailable.
+   (propagated-inputs
+    (list alsa-lib
+	  vvdec
+          ffmpeg-vvdec
+          jack-1
+          libass
+          libbluray
+          libcaca
+          libcdio-paranoia
+	  libdrm
+          libdvdnav
+          libdvdread
+          libjpeg-turbo
+          libplacebo
+          libva
+          libvdpau
+          libx11
+          libxext
+          libxinerama
+          libxkbcommon
+          libxpresent
+          libxrandr
+          libxscrnsaver
+          libxv
+          ;; XXX: lua > 5.2 is not currently supported; see meson.build
+          lua-5.2
+          mesa
+          pulseaudio
+          shaderc
+          wayland
+          wayland-protocols
+          zimg
+          zlib))
+   (home-page "https://mpv.io/")
+   (synopsis "Audio and video player")
+   (description "mpv is a general-purpose audio and video player.  It is a
+fork of mplayer2 and MPlayer.  It shares some features with the former
+projects while introducing many more.")
+   (license license:gpl2+)))
+
 ffmpeg-vvdec