ci stuff

Signed-off-by: Anton Afanasyeu <a.afanasieff@gmail.com>

scripts/build-native-codecs.sh

@@ -74,6 +74,10 @@ export ANDROID_NDK_HOME="$NDK"
 export ANDROID_NDK_ROOT="$NDK"
 export PATH="$NDK_HOST_BIN:$PATH"
 
+# shellcheck source=native-build-cache.sh
+source "$ROOT/scripts/native-build-cache.sh"
+androidcast_apply_native_build_accelerators "$ROOT" "$ABI" "$NDK" "$NDK_HOST_BIN"
+
 VPX_CONFIGURE_EXTRA=()
 APP_CFLAGS_EXTRA=""
 case "$ABI" in
@@ -88,6 +92,9 @@ case "$ABI" in
     ;;
 esac
 
+## common native optimization options
+APP_CFLAGS_EXTRA+=" -O2 -fdata-sections -ffunction-sections -Wl,--gc-sections -ftree-vectorize -O2 -s -funroll-loops -fomit-frame-pointer "
+
 echo "Building libvpx for $ABI (target=$VPX_TARGET) ..."
 echo "  source: $VPX_SRC"
 echo "  build:  $BUILD_DIR"
@@ -125,6 +132,7 @@ elif [[ "$ABI" == x86 || "$ABI" == x86_64 ]] && [[ -f "$BUILD_DIR/vpx_config.h"
 fi
 
 if $need_configure; then
+  # CC/CXX may be ccache-wrapped NDK clang (see native-build-cache.sh).
   "$VPX_SRC/configure" \
     --target="$VPX_TARGET" \
     --disable-examples \

scripts/ci-build.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# CI entry: native codecs (all ABIs) + Gradle debug APK + unit tests.
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+cd "$ROOT"
+
+export ANDROIDCAST_ROOT="$ROOT"
+export ANDROIDCAST_CCACHE="${ANDROIDCAST_CCACHE:-1}"
+export ANDROIDCAST_USE_DISTCC="${ANDROIDCAST_USE_DISTCC:-0}"
+
+# shellcheck source=android-ndk.sh
+source "$ROOT/scripts/android-ndk.sh"
+export ANDROID_NDK_HOME="$(androidcast_find_ndk_root "$ROOT")"
+export ANDROID_NDK_ROOT="$ANDROID_NDK_HOME"
+
+if [[ -f .gitmodules ]]; then
+  git submodule update --init --recursive
+fi
+
+ABIS="${ANDROIDCAST_CI_ABIS:-armeabi-v7a arm64-v8a x86_64}"
+echo "==> Building libvpx for: $ABIS"
+rm -rf "$ROOT/build/native"
+mkdir -p "$ROOT/build/native"
+for abi in $ABIS; do
+  ./scripts/build-native-codecs.sh "$abi"
+done
+
+echo "==> Gradle assembleDebug + unit tests"
+./gradlew --no-daemon clean assembleDebug testDebugUnitTest
+
+echo "==> Done: $ROOT/app/build/outputs/apk/debug/app-debug.apk"

scripts/native-build-cache.sh

@@ -0,0 +1,124 @@
+#!/usr/bin/env bash
+# Host build accelerators for native codecs (libvpx / NDK). Source, do not execute.
+#
+# ccache (default: auto-detect):
+#   ANDROIDCAST_CCACHE=auto|1|0
+#   CCACHE_DIR          — default: <repo>/build/.ccache
+#
+# distcc (off by default; experimental for libvpx configure/make only, not ndk-build):
+#   ANDROIDCAST_USE_DISTCC=1
+#   DISTCC_HOSTS=localhost/8 192.168.1.10/16
+#
+set -euo pipefail
+
+[[ -n "${ANDROIDCAST_NATIVE_CACHE_SOURCED:-}" ]] && return 0
+ANDROIDCAST_NATIVE_CACHE_SOURCED=1
+
+androidcast_project_root() {
+  if [[ -n "${ANDROIDCAST_ROOT:-}" ]]; then
+    printf '%s\n' "$ANDROIDCAST_ROOT"
+    return 0
+  fi
+  local here
+  here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+  printf '%s\n' "$here"
+}
+
+androidcast_ccache_wanted() {
+  case "${ANDROIDCAST_CCACHE:-auto}" in
+    0 | false | FALSE | no | NO | off | OFF) return 1 ;;
+    1 | true | TRUE | yes | YES | on | ON) return 0 ;;
+    auto | AUTO | "")
+      command -v ccache >/dev/null 2>&1
+      ;;
+    *) return 0 ;;
+  esac
+}
+
+androidcast_ndk_clang_basename() {
+  case "${1:-}" in
+    arm64-v8a) echo aarch64-linux-android29-clang ;;
+    armeabi-v7a) echo armv7a-linux-androideabi29-clang ;;
+    x86_64) echo x86_64-linux-android29-clang ;;
+    x86) echo i686-linux-android29-clang ;;
+    *) echo "" ;;
+  esac
+}
+
+androidcast_ndk_clangxx_basename() {
+  case "${1:-}" in
+    arm64-v8a) echo aarch64-linux-android29-clang++ ;;
+    armeabi-v7a) echo armv7a-linux-androideabi29-clang++ ;;
+    x86_64) echo x86_64-linux-android29-clang++ ;;
+    x86) echo i686-linux-android29-clang++ ;;
+    *) echo "" ;;
+  esac
+}
+
+# Configure ccache + optional distcc; set CC/CXX/NDK_CCACHE for libvpx + ndk-build.
+# Args: project_root abi ndk_root ndk_host_bin
+androidcast_apply_native_build_accelerators() {
+  local root="${1:?root}"
+  local abi="${2:?abi}"
+  local ndk_bin="${4:?ndk_host_bin}"
+  local clang clangxx
+  clang="$(androidcast_ndk_clang_basename "$abi")"
+  clangxx="$(androidcast_ndk_clangxx_basename "$abi")"
+  if [[ -z "$clang" || ! -x "$ndk_bin/$clang" ]]; then
+    echo "WARN: NDK clang not found for $abi under $ndk_bin" >&2
+    return 0
+  fi
+
+  local prefix=""
+  local ccache_on=false
+  local distcc_on=false
+
+  if androidcast_ccache_wanted && command -v ccache >/dev/null 2>&1; then
+    ccache_on=true
+    export CCACHE_DIR="${CCACHE_DIR:-$root/build/.ccache}"
+    mkdir -p "$CCACHE_DIR"
+    export CCACHE_BASEDIR="$root"
+    export CCACHE_COMPRESS="${CCACHE_COMPRESS:-1}"
+    export CCACHE_COMPILERCHECK="${CCACHE_COMPILERCHECK:-content}"
+    export CCACHE_MAXSIZE="${CCACHE_MAXSIZE:-5G}"
+    export NDK_CCACHE="${NDK_CCACHE:-ccache}"
+    prefix="ccache "
+    echo "ccache: ON (dir=$CCACHE_DIR, NDK_CCACHE=$NDK_CCACHE)"
+    ccache -s 2>/dev/null | sed 's/^/  /' || true
+  elif androidcast_ccache_wanted; then
+    echo "ccache: requested but not installed (install ccache or ANDROIDCAST_CCACHE=0)"
+  else
+    echo "ccache: off (ANDROIDCAST_CCACHE=${ANDROIDCAST_CCACHE:-auto})"
+  fi
+
+  case "${ANDROIDCAST_USE_DISTCC:-0}" in
+    1 | true | TRUE | yes | YES | on | ON)
+      if command -v distcc >/dev/null 2>&1 && [[ -n "${DISTCC_HOSTS:-}" ]]; then
+        distcc_on=true
+        export DISTCC_VERBOSE="${DISTCC_VERBOSE:-0}"
+        prefix="distcc ${prefix}"
+        echo "distcc: ON (experimental, libvpx make/configure only; hosts=$DISTCC_HOSTS)"
+      elif command -v distcc >/dev/null 2>&1; then
+        echo "distcc: ANDROIDCAST_USE_DISTCC=1 but DISTCC_HOSTS empty — skipped" >&2
+      else
+        echo "distcc: requested but distcc not installed — skipped" >&2
+      fi
+      ;;
+    *)
+      echo "distcc: off (set ANDROIDCAST_USE_DISTCC=1 and DISTCC_HOSTS to try)"
+      ;;
+  esac
+
+  export CC="${prefix}${ndk_bin}/${clang}"
+  if [[ -n "$clangxx" && -x "$ndk_bin/$clangxx" ]]; then
+    export CXX="${prefix}${ndk_bin}/${clangxx}"
+  else
+    export CXX="${prefix}${ndk_bin}/${clang}"
+  fi
+  export AR="${ndk_bin}/llvm-ar"
+  export RANLIB="${ndk_bin}/llvm-ranlib"
+
+  # libvpx configure reads these when cross-compiling.
+  export AS="$CC"
+  export LD="${ndk_bin}/ld.lld"
+}