Updating pre-install script

Author: Srikanth Kotagiri

.github/workflows/prebuild.yml

@@ -3,16 +3,10 @@ on: [push]
 
 jobs:
   linux-package:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     container:
       image: node:16.20.2-bookworm
     steps:
-      - name: install Linux dependencies
-        run: |
-          apt-get update
-          apt-get install -y build-essential git git-lfs pkg-config libtool python3 python-is-python3
-          apt-get install -y libavcodec-dev libavformat-dev libavdevice-dev libavfilter-dev libavutil-dev libpostproc-dev libswresample-dev libswscale-dev libzimg-dev
-
       - uses: actions/checkout@v2
         with:
           lfs: true

binding.gyp

@@ -14,6 +14,10 @@
                   "src/codec.cc", "src/hwcontext.cc" ],
     "conditions": [
       ['OS=="linux"', {
+        "variables": {
+           "ffmpeg_version": "1.49.rc.1",
+           "target_arch_override": "<!(node -p \"'<(target_arch)' === 'x64' ? 'x86_64' : '<(target_arch)'\")",
+        },
         "defines": [
           "__STDC_CONSTANT_MACROS"
         ],
@@ -25,7 +29,14 @@
           "-std=c++11",
           "-fexceptions"
         ],
+        "include_dirs": [
+          "<(module_root_dir)/ffmpeg/ffmpeg-ffprobe-shared-linux-<(target_arch_override).<(ffmpeg_version)/include/"
+        ],
+
         "link_settings": {
+          "library_dirs": [
+            "<(module_root_dir)/ffmpeg/ffmpeg-ffprobe-shared-linux-<(target_arch_override).<(ffmpeg_version)/"
+          ],
           "libraries": [
             "-lavcodec",
             "-lavdevice",
@@ -139,18 +150,6 @@
             }
           ]
     }],
-    ['OS=="linux"', {
-      "libraries": [
-        "<!(pkg-config --libs libavcodec)",
-        "<!(pkg-config --libs libavdevice)",
-        "<!(pkg-config --libs libavfilter)",
-        "<!(pkg-config --libs libavformat)",
-        "<!(pkg-config --libs libavutil)",
-        "<!(pkg-config --libs libpostproc)",
-        "<!(pkg-config --libs libswresample)",
-        "<!(pkg-config --libs libswscale)"
-      ]
-    }],
     ['OS=="mac"', {
       "include_dirs" : [
         "/opt/homebrew/Cellar/ffmpeg/5.0/include"

install_ffmpeg.js

@@ -131,6 +131,55 @@ async function win32() {
 }
 
 async function linux() {
+    console.log('Checking/downloading ffmpeg shared libraries');
+
+    await mkdir('ffmpeg').catch(e => {
+      if (e.code === 'EEXIST') return;
+      else throw e;
+    });
+
+    const version = '1.49.rc.1';
+
+    // default to platform-architecture
+    let arch = os.arch();
+
+    // but if the '--arch' argument is provided
+    // use the next argument as the value (e.g. 'x64' or 'arm64')
+    const overrideArchIndex = process.argv.indexOf('--arch');
+    if (0 < overrideArchIndex && overrideArchIndex < process.argv.length - 1) {
+      arch = process.argv[overrideArchIndex + 1];
+    }
+
+    if (arch === 'x64') {
+      arch = 'x86_64';
+    }
+
+    const ffmpegFilename = `ffmpeg-ffprobe-shared-linux-${arch}.${version}`;
+    const tag = `v${version}`;
+
+    await access(`ffmpeg/${ffmpegFilename}`, fs.constants.R_OK).catch(async () => {
+      const ws = fs.createWriteStream(`ffmpeg/${ffmpegFilename}.zip`);
+      const url = `https://github.com/descriptinc/ffmpeg-build-script/releases/download/${tag}/${ffmpegFilename}.zip`
+      console.log(url);
+      await get(
+          ws,
+          url,
+          `${ffmpegFilename}.zip`
+      ).catch(async (err) => {
+        if (err.name === 'RedirectError') {
+          const redirectURL = err.message;
+          await get(ws, redirectURL, `${ffmpegFilename}.zip`);
+        } else {
+          console.error(err);
+          throw err;
+        }
+      });
+
+      await exec(`unzip ffmpeg/${ffmpegFilename}.zip -d ffmpeg/${ffmpegFilename}/`);
+      await exec(`echo "$PWD/ffmpeg/${ffmpegFilename}/" | tee -a /etc/ld.so.conf.d/ffmpeg.conf`)
+      await exec(`ldconfig`)
+    });
+
   console.log('Checking FFmpeg dependencies for Beam Coder on Linux.');
   const { stdout } = await execFile('ldconfig', ['-p']).catch(console.error);
   let result = 0;