337 lines
10 KiB
Bash
337 lines
10 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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MEDIA3_TAG='1.10.1'
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FFMPEG_BRANCH='release/6.0'
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NDK_PATH="${ANDROID_NDK_HOME:-}"
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HOST_PLATFORM=''
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CLEAN=0
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ANDROID_ABI='21'
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ENABLED_DECODERS=(dca ac3 eac3 truehd opus vorbis flac)
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usage() {
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cat <<'USAGE'
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Usage: scripts/build_media3_ffmpeg.sh [options]
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Options:
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--clean 编前先清空工作目录
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--media3-tag <tag> androidx/media tag (default: 1.10.1)
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--ffmpeg-branch <branch> FFmpeg branch (default: release/6.0)
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--ndk-path <path> Android NDK 路径（推荐 r27d LTS；默认 $ANDROID_NDK_HOME）
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--host-platform <name> darwin-x86_64 / linux-x86_64
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（省略时根据 uname 推断；Apple Silicon 强烈建议
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通过 Docker linux-x86_64 容器执行）
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-h, --help 显示本帮助
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USAGE
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--clean) CLEAN=1; shift ;;
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--media3-tag) MEDIA3_TAG="$2"; shift 2 ;;
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--ffmpeg-branch) FFMPEG_BRANCH="$2"; shift 2 ;;
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--ndk-path) NDK_PATH="$2"; shift 2 ;;
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--host-platform) HOST_PLATFORM="$2"; shift 2 ;;
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-h|--help) usage; exit 0 ;;
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*) echo "unknown option: $1" >&2; usage; exit 2 ;;
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esac
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done
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require_cmd() {
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if ! command -v "$1" >/dev/null 2>&1; then
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echo "ERROR: $1 not found in PATH" >&2
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exit 1
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fi
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}
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require_cmd git
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require_cmd shasum
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if [[ -z "${NDK_PATH}" ]]; then
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echo 'ERROR: NDK path not specified. Use --ndk-path or set ANDROID_NDK_HOME.' >&2
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echo 'Pin to NDK r27d LTS (27.3.13750724) — ABI-compatible with Media3 1.10.1 build_ffmpeg.sh.' >&2
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exit 1
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fi
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if [[ ! -d "${NDK_PATH}" ]]; then
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echo "ERROR: NDK path not a directory: ${NDK_PATH}" >&2
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exit 1
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fi
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SDK_PATH="${ANDROID_HOME:-${ANDROID_SDK_ROOT:-}}"
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if [[ -z "${SDK_PATH}" ]]; then
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for candidate in \
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"${HOME}/Library/Android/sdk" \
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"${HOME}/Android/Sdk" \
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"/opt/android-sdk" \
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"/usr/local/share/android-sdk"; do
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if [[ -d "${candidate}/platforms" ]]; then
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SDK_PATH="${candidate}"
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echo "[detect] Android SDK at ${SDK_PATH}"
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break
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fi
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done
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fi
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if [[ -z "${SDK_PATH}" || ! -d "${SDK_PATH}/platforms" ]]; then
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echo 'ERROR: Android SDK not found. Set ANDROID_HOME or install Android Studio SDK.' >&2
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echo ' Required: $ANDROID_HOME/platforms (android-34+) + build-tools.' >&2
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exit 1
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fi
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if [[ -z "${HOST_PLATFORM}" ]]; then
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uname_s="$(uname -s)"
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uname_m="$(uname -m)"
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case "${uname_s}-${uname_m}" in
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Darwin-x86_64) HOST_PLATFORM='darwin-x86_64' ;;
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Darwin-arm64)
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HOST_PLATFORM='darwin-x86_64'
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echo 'WARN: host is Apple Silicon; Media3 README only documents darwin-x86_64.' >&2
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echo ' Build will proceed under Rosetta. For reproducibility prefer a' >&2
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echo ' Docker linux-x86_64 container (see plugins/media3_engine/README.md).' >&2
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;;
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Linux-x86_64) HOST_PLATFORM='linux-x86_64' ;;
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*) echo "ERROR: unsupported host ${uname_s}-${uname_m}. Pass --host-platform." >&2; exit 1 ;;
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esac
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fi
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
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WORK_ROOT="${REPO_ROOT}/.media3-build"
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MEDIA_REPO="${WORK_ROOT}/media"
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FFMPEG_MODULE_PATH="${MEDIA_REPO}/libraries/decoder_ffmpeg/src/main"
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FFMPEG_DIR="${FFMPEG_MODULE_PATH}/jni/ffmpeg"
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OUT_LIBS_DIR="${REPO_ROOT}/android/app/libs"
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AAR_NAME="media3-decoder-ffmpeg-${MEDIA3_TAG}-arm64.aar"
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OUT_AAR="${OUT_LIBS_DIR}/${AAR_NAME}"
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PATCH_BACKUP_DIR=''
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PATCHED_FILES=()
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backup_patch_file() {
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local file="$1"
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if [[ -z "${PATCH_BACKUP_DIR}" ]]; then
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PATCH_BACKUP_DIR="$(mktemp -d)"
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fi
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local backup="${PATCH_BACKUP_DIR}/${#PATCHED_FILES[@]}"
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cp "${file}" "${backup}"
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PATCHED_FILES+=("${file}:${backup}")
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}
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restore_patched_files() {
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local entry file backup
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for entry in "${PATCHED_FILES[@]}"; do
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file="${entry%%:*}"
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backup="${entry#*:}"
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if [[ -f "${backup}" ]]; then
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cp "${backup}" "${file}"
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fi
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done
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if [[ -n "${PATCH_BACKUP_DIR}" ]]; then
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rm -rf "${PATCH_BACKUP_DIR}"
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fi
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}
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trap restore_patched_files EXIT
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if [[ ${CLEAN} -eq 1 && -d "${WORK_ROOT}" ]]; then
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echo "[clean] removing ${WORK_ROOT}"
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rm -rf "${WORK_ROOT}"
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fi
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mkdir -p "${WORK_ROOT}" "${OUT_LIBS_DIR}"
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if [[ ! -d "${MEDIA_REPO}/.git" ]]; then
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echo "[clone] androidx/media @ ${MEDIA3_TAG}"
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git clone --depth 1 --branch "${MEDIA3_TAG}" \
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https://github.com/androidx/media.git "${MEDIA_REPO}"
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else
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echo "[skip] ${MEDIA_REPO} already exists; pass --clean to refetch"
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fi
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if [[ ! -d "${FFMPEG_DIR}/.git" ]]; then
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echo "[clone] FFmpeg ${FFMPEG_BRANCH}"
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mkdir -p "$(dirname "${FFMPEG_DIR}")"
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git clone --depth 1 --branch "${FFMPEG_BRANCH}" \
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https://git.ffmpeg.org/ffmpeg.git "${FFMPEG_DIR}"
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else
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echo "[skip] ${FFMPEG_DIR} already exists"
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fi
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JNI_BUILD_SH="${FFMPEG_MODULE_PATH}/jni/build_ffmpeg.sh"
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if [[ ! -f "${JNI_BUILD_SH}" ]]; then
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echo "ERROR: ${JNI_BUILD_SH} not found (androidx/media tag ${MEDIA3_TAG} 内未包含)" >&2
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exit 1
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fi
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if ! grep -q '# SM-PATCH arm64-only' "${JNI_BUILD_SH}"; then
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echo "[patch] forcing arm64-v8a only in ${JNI_BUILD_SH##*/}"
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backup_patch_file "${JNI_BUILD_SH}"
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python3 - "${JNI_BUILD_SH}" <<'PY' || { echo 'ERROR: failed to patch build_ffmpeg.sh (upstream layout changed?)' >&2; exit 1; }
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import re, sys
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p = sys.argv[1]
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src = open(p, 'r', encoding='utf-8').read()
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if '# SM-PATCH arm64-only' in src:
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sys.exit(0)
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KEEP = 'arm64-v8a'
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block_re = re.compile(
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r'\./configure\s*\\\s*\n'
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r'(?:.*\n)*?'
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r'\s*--libdir=android-libs/([\w-]+)\s*\\\s*\n'
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r'(?:.*\n)*?'
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r'make clean\s*\n',
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re.M,
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)
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removed = []
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chunks = []
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last = 0
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for m in block_re.finditer(src):
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abi = m.group(1)
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if abi == KEEP:
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continue
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chunks.append(src[last:m.start()])
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last = m.end()
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removed.append(abi)
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chunks.append(src[last:])
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if not removed:
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sys.stderr.write('ERROR: no non-arm64 configure blocks found; upstream layout may have changed.\n')
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sys.exit(2)
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result = ''.join(chunks).replace(
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'set -eu\n',
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f'set -eu\n# SM-PATCH arm64-only (removed: {",".join(removed)})\n',
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1,
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)
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open(p, 'w', encoding='utf-8').write(result)
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sys.stderr.write(f'[ok] removed ABI blocks: {",".join(removed)}\n')
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PY
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fi
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echo "[build] FFmpeg native libs (decoders: ${ENABLED_DECODERS[*]})"
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pushd "${FFMPEG_MODULE_PATH}/jni" >/dev/null
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NDK_PATH="${NDK_PATH}" \
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HOST_PLATFORM="${HOST_PLATFORM}" \
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ANDROID_ABI="${ANDROID_ABI}" \
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./build_ffmpeg.sh \
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"${FFMPEG_MODULE_PATH}" \
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"${NDK_PATH}" \
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"${HOST_PLATFORM}" \
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"${ANDROID_ABI}" \
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"${ENABLED_DECODERS[@]}"
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popd >/dev/null
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echo '[build] Gradle :libraries:decoder_ffmpeg:assembleRelease'
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cat >"${MEDIA_REPO}/local.properties" <<EOF
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sdk.dir=${SDK_PATH}
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ndk.dir=${NDK_PATH}
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EOF
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NDK_VERSION="$(awk -F'= *' '/^Pkg\.Revision/{print $2}' "${NDK_PATH}/source.properties" | tr -d '\r')"
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if [[ -z "${NDK_VERSION}" ]]; then
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echo "ERROR: cannot read Pkg.Revision from ${NDK_PATH}/source.properties" >&2
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exit 1
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fi
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COMMON_CONFIG="${MEDIA_REPO}/common_config.gradle"
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if ! grep -q '// SM-PATCH ndkVersion' "${COMMON_CONFIG}"; then
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echo "[patch] injecting ndkVersion=${NDK_VERSION} into common_config.gradle"
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backup_patch_file "${COMMON_CONFIG}"
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python3 - "${COMMON_CONFIG}" "${NDK_VERSION}" <<'PY' || { echo 'ERROR: failed to inject ndkVersion' >&2; exit 1; }
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import re, sys
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p, version = sys.argv[1], sys.argv[2]
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src = open(p, 'r', encoding='utf-8').read()
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patched, n = re.subn(
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r'^android\s*\{\s*\n',
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f'android {{\n ndkVersion = "{version}" // SM-PATCH ndkVersion\n',
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src, count=1, flags=re.M,
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)
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if n != 1:
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sys.stderr.write('ERROR: failed to find `android {` in common_config.gradle\n')
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sys.exit(2)
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open(p, 'w', encoding='utf-8').write(patched)
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PY
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fi
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DECODER_BUILD_GRADLE="${MEDIA_REPO}/libraries/decoder_ffmpeg/build.gradle"
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if ! grep -q '// SM-PATCH abiFilters' "${DECODER_BUILD_GRADLE}"; then
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echo "[patch] restricting decoder_ffmpeg abiFilters to arm64-v8a"
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backup_patch_file "${DECODER_BUILD_GRADLE}"
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python3 - "${DECODER_BUILD_GRADLE}" <<'PY' || { echo 'ERROR: failed to inject abiFilters' >&2; exit 1; }
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import re, sys
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p = sys.argv[1]
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src = open(p, 'r', encoding='utf-8').read()
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inject = (
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"android {\n"
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" defaultConfig {\n"
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" ndk {\n"
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" abiFilters 'arm64-v8a' // SM-PATCH abiFilters\n"
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" }\n"
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" }\n"
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"}\n\n"
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)
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patched, n = re.subn(
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r'(apply from: "\$gradle\.ext\.androidxMediaSettingsDir/common_config\.gradle"\n)',
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r'\1\n' + inject,
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src, count=1,
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)
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if n != 1:
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sys.stderr.write('ERROR: failed to find common_config apply line in decoder_ffmpeg/build.gradle\n')
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sys.exit(2)
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open(p, 'w', encoding='utf-8').write(patched)
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PY
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fi
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pushd "${MEDIA_REPO}" >/dev/null
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ANDROID_HOME="${SDK_PATH}" ANDROID_SDK_ROOT="${SDK_PATH}" \
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./gradlew --no-daemon :lib-decoder-ffmpeg:assembleRelease
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popd >/dev/null
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GRADLE_AAR=''
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for pattern in \
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"${MEDIA_REPO}/libraries/decoder_ffmpeg/buildout/outputs/aar/lib-decoder-ffmpeg-release.aar" \
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"${MEDIA_REPO}/libraries/decoder_ffmpeg/build/outputs/aar/lib-decoder-ffmpeg-release.aar" \
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"${MEDIA_REPO}/libraries/decoder_ffmpeg/buildout/outputs/aar/decoder_ffmpeg-release.aar" \
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"${MEDIA_REPO}/libraries/decoder_ffmpeg/build/outputs/aar/decoder_ffmpeg-release.aar"; do
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if [[ -f "${pattern}" ]]; then
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GRADLE_AAR="${pattern}"; break
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fi
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done
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if [[ -z "${GRADLE_AAR}" ]]; then
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echo 'ERROR: AAR not found under decoder_ffmpeg/{buildout,build}/outputs/aar/. 检查 Gradle 输出' >&2
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exit 1
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fi
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cp "${GRADLE_AAR}" "${OUT_AAR}"
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SHA256="$(shasum -a 256 "${OUT_AAR}" | awk '{print $1}')"
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CHECKSUMS="${OUT_LIBS_DIR}/CHECKSUMS.txt"
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touch "${CHECKSUMS}"
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python3 - "${CHECKSUMS}" "${AAR_NAME}" "${SHA256}" <<'PY'
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import sys, re
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p, name, sha = sys.argv[1], sys.argv[2], sys.argv[3]
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with open(p, 'r', encoding='utf-8') as f:
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lines = [ln for ln in f.read().splitlines() if not ln.endswith(name)]
|
|||
|
|
lines.append(f'{sha} {name}')
|
|||
|
|
with open(p, 'w', encoding='utf-8') as f:
|
|||
|
|
f.write('\n'.join(lines) + '\n')
|
|||
|
|
PY
|
|||
|
|
|
|||
|
|
|
|||
|
|
cat <<INFO
|
|||
|
|
|
|||
|
|
[done] media3-decoder-ffmpeg AAR build complete.
|
|||
|
|
|
|||
|
|
output : ${OUT_AAR}
|
|||
|
|
size : $(wc -c <"${OUT_AAR}") bytes
|
|||
|
|
sha256 : ${SHA256}
|
|||
|
|
tag : ${MEDIA3_TAG}
|
|||
|
|
ffmpeg : ${FFMPEG_BRANCH}
|
|||
|
|
ndk : ${NDK_PATH}
|
|||
|
|
|
|||
|
|
下一步：
|
|||
|
|
1. 核对 SHA-256 是否与团队约定一致
|
|||
|
|
2. git add ${OUT_AAR##*/Desktop/cc-env/player/sm-emby/} android/app/libs/CHECKSUMS.txt
|
|||
|
|
3. cd ${REPO_ROOT} && flutter build apk --debug 验证 AAR 加载
|
|||
|
|
INFO
|