项目搭建

2025-03-26 19:00:28 +08:00
commit fd2a75dce2
7 changed files with 276 additions and 0 deletions
--- a/thirdpart/build_ffmpeg_win.js
+++ b/thirdpart/build_ffmpeg_win.js
@ -0,0 +1,82 @@
+const { spawnSync } = require("child_process");
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+
+const FFMPEG_REPO = "https://git.ffmpeg.org/ffmpeg.git";
+const FFMPEG_TAG = "release/7.1"
+const FFMPEG_SOURCE_DIR = path.join(__dirname, "_source/FFmpeg");
+const FFMPEG_INSTALL_DIR = path.join(__dirname, "FFmpeg");
+
+function checkEnv() {
+	if (!process.env.MSYSTEM_PREFIX) throw new Error("Please use msys2 environment to run this script");
+	const bash = process.env.SHELL;
+	if (!bash || !bash.endsWith("bash.exe")) throw new Error("bash.exe is not found in environments");
+}
+
+function download() {
+	console.log("Downloading ffmpeg source...");
+	if (0 != spawnSync("git", [
+		"clone", FFMPEG_REPO,
+		"-b", FFMPEG_TAG, FFMPEG_SOURCE_DIR
+	], { stdio: "inherit" }).status) throw new Error("Failed to download ffmpeg");
+}
+
+function build() {
+	//configure
+	if (!fs.existsSync(path.join(FFMPEG_SOURCE_DIR, "ffbuild/config.mak"))) {
+		console.log("Configuring ffmpeg...");
+		if (0 != spawnSync(process.env.SHELL, [
+			path.join(FFMPEG_SOURCE_DIR, "configure"),
+			`--prefix=${FFMPEG_INSTALL_DIR}`,
+			"--enable-static",
+			"--enable-small",
+			"--toolchain=msvc",
+			"--disable-programs",
+		], { stdio: "inherit", cwd: FFMPEG_SOURCE_DIR }).status) throw new Error("Failed to configure ffmpeg");
+	}
+	//make
+	if (0 != spawnSync("make", [
+		"-j", os.cpus().length.toString(),
+	], { stdio: "inherit" }).status) throw new Error("Failed to build ffmpeg");
+	//install
+	if (0 != spawnSync("make", [
+		"install",
+	], { stdio: "inherit", cwd: FFMPEG_SOURCE_DIR }).status) throw new Error("Failed to install ffmpeg");
+}
+
+function resolve() {
+	console.log("Resolving ffmpeg ...");
+	const libs = [];
+	for (const file of fs.readdirSync(path.join(FFMPEG_INSTALL_DIR, "lib"))) {
+		if (path.extname(file) == ".a") {
+			const libName = file.replace(/\.a$/, "").replace(/^lib/, "");
+			fs.renameSync(path.join(FFMPEG_INSTALL_DIR, "lib", file), path.join(FFMPEG_INSTALL_DIR, "lib", libName + ".lib"));
+			libs.push(libName);
+		}
+	}
+	fs.writeFileSync(path.join(FFMPEG_INSTALL_DIR, "config.cmake"), [
+		"set(FFMPEG_INCLUDE_DIR ${CMAKE_CURRENT_LIST_DIR}/include)",
+		"set(FFMPEG_LIB_DIR ${CMAKE_CURRENT_LIST_DIR}/lib)",
+		`set(FFMPEG_LIBS ${libs.join(" ")})`,
+		"",
+	].join("\n"));
+
+}
+
+async function main() {
+	fs.mkdirSync(path.dirname(FFMPEG_SOURCE_DIR), { recursive: true });
+	fs.mkdirSync(path.dirname(FFMPEG_INSTALL_DIR), { recursive: true });
+
+	checkEnv();
+
+	if (!fs.existsSync(path.join(FFMPEG_SOURCE_DIR, "configure"))) download();
+	if (!fs.existsSync(path.join(FFMPEG_INSTALL_DIR, "config.cmake"))) {
+		build();
+		resolve();
+	}
+
+	console.log(`FFmpeg build done !`);
+}
+
+main().catch(err => console.error(err.message));