extra/ffmpeg/PKGBUILD


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Disable mfx - libmfx does not compile
depends=(${depends[@]//libmfx/})
eval "$(
  declare -f build | \
    sed '
      s/--enable-libmfx/--disable-libmfx/
    '
)"

# also disable onevpl, it does not compile
depends=(${depends[@]//onevpl/})
eval "$(
  declare -f build | \
    sed '
      s/--enable-libvpl/--disable-libvpl/
    '
)"

# Disable cuda llvm and nvenc. No idea why the latter fails.
eval "$(
  declare -f build | \
    sed '
      s/--enable-cuda-llvm/--disable-cuda-llvm/;s/--enable-nvenc/--disable-nvenc/
    '
)"

# Remove above dependencies
makedepends=(${makedepends[@]//onevpl/})
makedepends=(${makedepends[@]//clang/})

# no vamf for non-pentium4
if [ "$CARCH" == 'i686' ] || [ "$CARCH" == 'i486' ]; then
  depends=(${depends[@]//vmaf/})

  eval "$(
    declare -f prepare | \
      sed '
        /vmaf/d
      '
  )"

  eval "$(
    declare -f build | \
      sed '
        s/--enable-libvmaf//
      '
  )"

fi

# force picking of a modern libvpx and not libvpx1.3 needed for steam
#makedepends+=('libvpx>=1.8.2')

# no AviSynthPlus on i486 (uses Intel intrinsics and cmake support for
# disabling it is broken)
makedepends=(${makedepends[@]//avisynthplus/})
makedepends_i686+=(avisynthplus)
makedepends_pentium4=("${makedepends_i686[@]}")
if [ "$CARCH" == 'i486' ]; then
  eval "$(
    declare -f build | \
      sed '
        s/--enable-avisynth/--disable-avisynth/
      '
  )"
fi

# no rav1e on i486, no Rust (yet)
if [ "$CARCH" == 'i486' ]; then
  depends=(${depends[@]//librav1e.so/})
  eval "$(
    declare -f build | \
      sed '
        s@--enable-librav1e@--disable-librav1e@
      '
  )"
fi

# svt-av1 is 64-bit only
depends=(${depends[@]//svt-av1/})
eval "$(
  declare -f build | \
    sed '
      s@--enable-libsvtav1@--disable-libsvtav1@
    '
)"

# -latomic on i486
if [ "$CARCH" == 'i486' ]; then
  depends=(${depends[@]//librav1e.so/})
  eval "$(
    declare -f build | \
      sed '
        s@make[^ ]@make EXTRALIBS-ffmpeg=-latomic EXTRALIBS-ffplay=-latomic EXTRALIBS-ffprobe=-latomic@
      '
  )"
fi

# disable all modern optimizations
eval "$(
  declare -f build | \
    sed '
      s|./configure|./configure --disable-sse3 --disable-ssse3 --disable-sse4 --disable-sse42 --disable-mmxext --disable-avx --disable-avx2 --disable-avx512|
    '
)"
# disabled specific assembly per subarchitecture
if [ "$CARCH" == 'i486' ]; then
  eval "$(
    declare -f build | \
      sed '
        s|./configure|./configure --disable-sse --disable-sse2 --disable-mmx|
      '
  )"
fi
if [ "$CARCH" == 'i686' ]; then
  eval "$(
    declare -f build | \
      sed '
        s|./configure|./configure --disable-sse --disable-mmx|
      '
  )"
fi

# see FS32#239, basically everything breaks otherwise
eval "$(
  declare -f build | \
    sed '
      s|./configure|./configure --disable-asm|
    '
)"

# see FS32#239, x264 and i486 result in missing symbols, no clue
if [ "$CARCH" == 'i486' ]; then
  eval "$(
    declare -f build | \
      sed '
        s|--enable-libx264|--disable-libx264|
      '
  )"
fi

# no Rust and librsvg on i486 (for now), use librsvg-og instead
if [ "$CARCH" == 'i486' ]; then
  makedepends+=(librsvg-og)
fi