feat: 新增安卓平台支持

scripts/build-android-turbojpeg.sh

@@ -0,0 +1,178 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
+
+SOURCE_DIR=""
+OUTPUT_DIR="${PROJECT_ROOT}/dist/android-turbojpeg"
+ANDROID_API="${ANDROID_API:-21}"
+NDK_ROOT="${ANDROID_NDK_HOME:-${ANDROID_NDK_ROOT:-}}"
+BUILD_ABIS="arm64-v8a armeabi-v7a"
+JOBS="${JOBS:-$(nproc 2>/dev/null || echo 4)}"
+LIBJPEG_TURBO_REPO="${LIBJPEG_TURBO_REPO:-https://github.com/libjpeg-turbo/libjpeg-turbo.git}"
+
+usage() {
+    cat <<'EOF'
+Usage:
+  scripts/build-android-turbojpeg.sh [options]
+
+Options:
+  --source <dir>          Existing libjpeg-turbo source checkout. If omitted,
+                          the script clones it into .tmp/android-turbojpeg-src.
+  --output <dir>          Output root. Default: dist/android-turbojpeg
+  --ndk <dir>             Android NDK root. Defaults to ANDROID_NDK_HOME or ANDROID_NDK_ROOT.
+  --api <level>           Android API level. Default: 21.
+  --abis <list>           Space/comma separated ABI list. Default: arm64-v8a armeabi-v7a.
+  -h, --help              Show this help.
+
+The output layout is compatible with ONE_KVM_ANDROID_TURBOJPEG_ROOT:
+  <output>/arm64-v8a/include/turbojpeg.h
+  <output>/arm64-v8a/lib/libturbojpeg.a
+  <output>/arm64-v8a/include/jpeglib.h
+  <output>/arm64-v8a/lib/libjpeg.a
+  <output>/armeabi-v7a/include/turbojpeg.h
+  <output>/armeabi-v7a/lib/libturbojpeg.a
+  <output>/armeabi-v7a/include/jpeglib.h
+  <output>/armeabi-v7a/lib/libjpeg.a
+EOF
+}
+
+fail() {
+    echo "Error: $*" >&2
+    exit 1
+}
+
+while [[ $# -gt 0 ]]; do
+    case "$1" in
+    --source)
+        SOURCE_DIR="${2:-}"
+        shift 2
+        ;;
+    --output)
+        OUTPUT_DIR="${2:-}"
+        shift 2
+        ;;
+    --ndk)
+        NDK_ROOT="${2:-}"
+        shift 2
+        ;;
+    --api)
+        ANDROID_API="${2:-}"
+        shift 2
+        ;;
+    --abis)
+        BUILD_ABIS="${2:-}"
+        shift 2
+        ;;
+    -h | --help)
+        usage
+        exit 0
+        ;;
+    *)
+        fail "Unknown argument: $1"
+        ;;
+    esac
+done
+
+[[ -n "$NDK_ROOT" ]] || fail "--ndk or ANDROID_NDK_HOME/ANDROID_NDK_ROOT is required"
+[[ -d "$NDK_ROOT/toolchains/llvm/prebuilt" ]] || fail "Invalid NDK root: $NDK_ROOT"
+
+if [[ -z "$SOURCE_DIR" ]]; then
+    SOURCE_DIR="${PROJECT_ROOT}/.tmp/android-turbojpeg-src"
+    if [[ ! -d "$SOURCE_DIR/.git" ]]; then
+        rm -rf "$SOURCE_DIR"
+        git clone --depth 1 "$LIBJPEG_TURBO_REPO" "$SOURCE_DIR"
+    fi
+fi
+
+[[ -d "$SOURCE_DIR" ]] || fail "libjpeg-turbo source not found: $SOURCE_DIR"
+[[ -f "$SOURCE_DIR/CMakeLists.txt" ]] || fail "libjpeg-turbo CMakeLists.txt not found under: $SOURCE_DIR"
+
+SOURCE_DIR="$(cd "$SOURCE_DIR" && pwd)"
+mkdir -p "$OUTPUT_DIR"
+OUTPUT_DIR="$(cd "$OUTPUT_DIR" && pwd)"
+
+HOST_TAG="$(uname -s | tr '[:upper:]' '[:lower:]')-x86_64"
+TOOLCHAIN="${NDK_ROOT}/toolchains/llvm/prebuilt/${HOST_TAG}"
+ANDROID_TOOLCHAIN_FILE="${NDK_ROOT}/build/cmake/android.toolchain.cmake"
+[[ -d "$TOOLCHAIN/bin" ]] || fail "NDK LLVM toolchain not found: $TOOLCHAIN"
+[[ -f "$ANDROID_TOOLCHAIN_FILE" ]] || fail "NDK CMake toolchain not found: $ANDROID_TOOLCHAIN_FILE"
+command -v cmake >/dev/null 2>&1 || fail "cmake is required"
+
+normalize_abis() {
+    printf '%s\n' "$BUILD_ABIS" | tr ',' ' '
+}
+
+build_one() {
+    local abi="$1"
+    local prefix build_dir lib_path
+
+    case "$abi" in
+    arm64-v8a | armeabi-v7a | x86 | x86_64) ;;
+    *) fail "Unsupported ABI: $abi" ;;
+    esac
+
+    prefix="${OUTPUT_DIR}/${abi}"
+    build_dir="${PROJECT_ROOT}/.tmp/turbojpeg-android-build/${abi}"
+
+    rm -rf "$build_dir"
+    mkdir -p "$build_dir" "$prefix"
+
+    cmake -S "$SOURCE_DIR" -B "$build_dir" \
+        -DCMAKE_TOOLCHAIN_FILE="$ANDROID_TOOLCHAIN_FILE" \
+        -DANDROID_ABI="$abi" \
+        -DANDROID_PLATFORM="android-${ANDROID_API}" \
+        -DANDROID_STL=c++_shared \
+        -DCMAKE_BUILD_TYPE=Release \
+        -DCMAKE_INSTALL_PREFIX="$prefix" \
+        -DCMAKE_POSITION_INDEPENDENT_CODE=ON \
+        -DCMAKE_C_FLAGS="-DANDROID -Dstderr=__sF+2" \
+        -DCMAKE_CXX_FLAGS="-DANDROID -Dstderr=__sF+2" \
+        -DENABLE_SHARED=OFF \
+        -DENABLE_STATIC=ON \
+        -DWITH_TURBOJPEG=ON \
+        -DWITH_JAVA=OFF \
+        -DWITH_12BIT=OFF \
+        -DWITH_ARITH_DEC=ON \
+        -DWITH_ARITH_ENC=ON
+
+    cmake --build "$build_dir" --target turbojpeg-static jpeg-static --parallel "$JOBS"
+
+    mkdir -p "$prefix/lib" "$prefix/include"
+    lib_path="$build_dir/libturbojpeg.a"
+    if [[ ! -f "$lib_path" ]]; then
+        lib_path="$build_dir/lib/libturbojpeg.a"
+    fi
+    [[ -f "$lib_path" ]] || fail "Built libturbojpeg.a was not found under: $build_dir"
+
+    cp "$lib_path" "$prefix/lib/libturbojpeg.a"
+    lib_path="$build_dir/libjpeg.a"
+    if [[ ! -f "$lib_path" ]]; then
+        lib_path="$build_dir/lib/libjpeg.a"
+    fi
+    [[ -f "$lib_path" ]] || fail "Built libjpeg.a was not found under: $build_dir"
+
+    cp "$lib_path" "$prefix/lib/libjpeg.a"
+    cp "$SOURCE_DIR/src/turbojpeg.h" "$prefix/include/turbojpeg.h"
+    cp "$SOURCE_DIR/src/jerror.h" "$prefix/include/jerror.h"
+    cp "$SOURCE_DIR/src/jmorecfg.h" "$prefix/include/jmorecfg.h"
+    cp "$SOURCE_DIR/src/jpeglib.h" "$prefix/include/jpeglib.h"
+    cp "$build_dir/jconfig.h" "$prefix/include/jconfig.h"
+
+    echo "Built TurboJPEG for ${abi}: ${prefix}"
+}
+
+for abi in $(normalize_abis); do
+    build_one "$abi"
+done
+
+cat <<EOF
+
+Done.
+
+Use this when building the Android APK:
+  export ONE_KVM_ANDROID_TURBOJPEG_ROOT="${OUTPUT_DIR}"
+  cd android && ./gradlew :app:assembleDebug
+EOF