88 lines
2.9 KiB
JavaScript
88 lines
2.9 KiB
JavaScript
const { spawnSync } = require("child_process");
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const fs = require("fs");
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const path = require("path");
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const os = require("os");
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const FFMPEG_REPO = "https://git.ffmpeg.org/ffmpeg.git";
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const FFMPEG_TAG = "release/7.1"
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const FFMPEG_SOURCE_DIR = path.join(__dirname, "_source/FFmpeg");
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const FFMPEG_INSTALL_DIR = path.join(__dirname, "FFmpeg");
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const isWindows = os.platform() == "win32";
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function checkEnv() {
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if (!process.env.MSYSTEM_PREFIX) throw new Error("Please use msys2 environment to run this script");
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const bash = process.env.SHELL;
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if (!bash || !bash.endsWith("bash.exe")) throw new Error("bash.exe is not found in environments");
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}
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function download() {
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console.log("Downloading ffmpeg source...");
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if (0 != spawnSync("git", [
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"clone", FFMPEG_REPO,
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"-b", FFMPEG_TAG, FFMPEG_SOURCE_DIR
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], { stdio: "inherit" }).status) throw new Error("Failed to download ffmpeg");
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}
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function build() {
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//configure
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if (!fs.existsSync(path.join(FFMPEG_SOURCE_DIR, "ffbuild/config.mak"))) {
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console.log("Configuring ffmpeg...");
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const args = [
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`--prefix=${FFMPEG_INSTALL_DIR}`,
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"--enable-static",
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"--enable-small",
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"--disable-programs",
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...isWindows ? ["--toolchain=msvc"] : [],
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];
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const configureFile = path.join(FFMPEG_SOURCE_DIR, "configure");
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if (isWindows) args.unshift(configureFile);
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if (0 != spawnSync(isWindows ? process.env.SHELL : configureFile, args, { stdio: "inherit", cwd: FFMPEG_SOURCE_DIR }).status) throw new Error("Failed to configure ffmpeg");
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}
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//make
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if (0 != spawnSync("make", [
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"-j", os.cpus().length.toString(),
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], { stdio: "inherit" }).status) throw new Error("Failed to build ffmpeg");
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//install
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if (0 != spawnSync("make", [
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"install",
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], { stdio: "inherit", cwd: FFMPEG_SOURCE_DIR }).status) throw new Error("Failed to install ffmpeg");
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}
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function resolve() {
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console.log("Resolving ffmpeg ...");
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const libs = [];
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for (const file of fs.readdirSync(path.join(FFMPEG_INSTALL_DIR, "lib"))) {
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if (path.extname(file) == ".a") {
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const libName = file.replace(/\.a$/, "").replace(/^lib/, "");
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if (isWindows) fs.renameSync(path.join(FFMPEG_INSTALL_DIR, "lib", file), path.join(FFMPEG_INSTALL_DIR, "lib", libName + ".lib"));
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libs.push(libName);
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}
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}
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fs.writeFileSync(path.join(FFMPEG_INSTALL_DIR, "config.cmake"), [
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"set(FFMPEG_INCLUDE_DIR ${CMAKE_CURRENT_LIST_DIR}/include)",
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"set(FFMPEG_LIB_DIR ${CMAKE_CURRENT_LIST_DIR}/lib)",
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`set(FFMPEG_LIBS ${libs.join(" ")})`,
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"",
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].join("\n"));
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}
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async function main() {
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fs.mkdirSync(path.dirname(FFMPEG_SOURCE_DIR), { recursive: true });
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fs.mkdirSync(path.dirname(FFMPEG_INSTALL_DIR), { recursive: true });
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if (isWindows) checkEnv();
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if (!fs.existsSync(path.join(FFMPEG_SOURCE_DIR, "configure"))) download();
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if (!fs.existsSync(path.join(FFMPEG_INSTALL_DIR, "config.cmake"))) {
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build();
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resolve();
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}
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console.log(`FFmpeg build done !`);
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}
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main().catch(err => console.error(err.message));
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