build: update mpv to 0.37 and add libplacebo

mpv 0.36.0 -> 0.37.0
libplacebo null -> 6.338.1

Also remove patch to restore mpv default sub selection behavior

buildscripts/build.sh

@@ -80,7 +80,7 @@ cpp = '$CXX'
 ar = 'llvm-ar'
 nm = 'llvm-nm'
 strip = 'llvm-strip'
-pkgconfig = 'pkg-config'
+pkg-config = 'pkg-config'
 [host_machine]
 system = 'android'
 cpu_family = '$cpu_family'

buildscripts/include/depinfo.sh

@@ -12,9 +12,10 @@ v_harfbuzz=8.3.0
 v_fribidi=1.0.13
 v_freetype=2-13-2
 v_mbedtls=3.5.1
+v_libplacebo=6.338.1
 v_dav1d=1.3.0
 v_ffmpeg=6.1
-v_mpv=0.36.0
+v_mpv=0.37.0
 
 
 ## Dependency tree
@@ -29,6 +30,6 @@ dep_harfbuzz=()
 dep_libass=(freetype fribidi harfbuzz)
 dep_lua=()
 dep_libplacebo=()
-dep_mpv=(ffmpeg libass lua)
+dep_mpv=(ffmpeg libass lua libplacebo)
 dep_mpv_android=(mpv)
 

buildscripts/include/download-deps.sh

@@ -34,6 +34,8 @@ if [ ! -d lua ]; then
 		tar -xz -C lua --strip-components=1
 fi
 
+[ ! -d libplacebo ] && git clone --depth 1 --branch v$v_libplacebo --recursive https://code.videolan.org/videolan/libplacebo.git libplacebo
+
 # mpv
 [ ! -d mpv ] && git clone --depth 1 --branch v$v_mpv https://github.com/mpv-player/mpv.git mpv
 

buildscripts/scripts/libplacebo.sh

@@ -0,0 +1,26 @@
+#!/bin/bash -e
+
+. ../../include/depinfo.sh
+. ../../include/path.sh
+
+build=_build$ndk_suffix
+
+if [ "$1" == "build" ]; then
+	true
+elif [ "$1" == "clean" ]; then
+	rm -rf $build
+	exit 0
+else
+	exit 255
+fi
+
+unset CC CXX
+meson setup $build --cross-file "$prefix_dir"/crossfile.txt \
+	-Dvulkan=disabled -Ddemos=false
+
+ninja -C $build -j$cores
+DESTDIR="$prefix_dir" ninja -C $build install
+
+# add missing library for static linking
+# this isn't "-lstdc++" due to a meson bug: https://github.com/mesonbuild/meson/issues/11300
+${SED:-sed} '/^Libs:/ s|$| -lc++|' "$prefix_dir/lib/pkgconfig/libplacebo.pc" -i