ffmpeg implemented

tools/copy-ffmpeg.js

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+#!/usr/bin/env node
+import fs from 'fs';
+import path from 'path';
+
+const repoRoot = process.cwd();
+const tauriDir = path.join(repoRoot, 'src-tauri');
+const resourcesDir = path.join(tauriDir, 'resources');
+
+function platformBinName() {
+  return process.platform === 'win32' ? 'ffmpeg.exe' : 'ffmpeg';
+}
+
+function exists(p) {
+  try { return fs.existsSync(p); } catch { return false; }
+}
+
+function ensureDir(p) {
+  if (!exists(p)) fs.mkdirSync(p, { recursive: true });
+}
+
+// Source lookup order:
+// 1) RADIOPLAYER_FFMPEG (absolute or relative)
+// 2) tools/ffmpeg/ffmpeg(.exe)
+// 3) tools/ffmpeg/bin/ffmpeg(.exe)
+function resolveSource() {
+  const env = process.env.RADIOPLAYER_FFMPEG;
+  if (env && String(env).trim().length > 0) {
+    const p = path.isAbsolute(env) ? env : path.join(repoRoot, env);
+    if (exists(p)) return p;
+    console.warn(`RADIOPLAYER_FFMPEG set but not found: ${p}`);
+  }
+
+  const name = platformBinName();
+  const candidates = [
+    path.join(repoRoot, 'tools', 'ffmpeg', name),
+    path.join(repoRoot, 'tools', 'ffmpeg', 'bin', name),
+  ];
+
+  return candidates.find(exists) || null;
+}
+
+function main() {
+  const name = platformBinName();
+  const src = resolveSource();
+  if (!src) {
+    console.log('FFmpeg not provided; skipping copy (set RADIOPLAYER_FFMPEG or place it under tools/ffmpeg/).');
+    process.exit(0);
+  }
+
+  ensureDir(resourcesDir);
+  const dst = path.join(resourcesDir, name);
+
+  try {
+    fs.copyFileSync(src, dst);
+    // Best-effort: ensure executable bit on unix-like platforms.
+    if (process.platform !== 'win32') {
+      try { fs.chmodSync(dst, 0o755); } catch {}
+    }
+    console.log(`Copied FFmpeg into bundle resources: ${src} -> ${dst}`);
+  } catch (e) {
+    console.error('Failed to copy FFmpeg:', e);
+    process.exit(1);
+  }
+}
+
+main();

tools/ffmpeg/README.md

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+# FFmpeg (Optional) for Native Playback
+
+The native player uses an external **FFmpeg** binary to decode radio streams.
+
+## Why this exists
+
+- The app intentionally does **not** download or embed FFmpeg automatically.
+- You provide FFmpeg yourself (license/compliance-friendly).
+
+## How the app finds FFmpeg
+
+At runtime it searches in this order:
+
+1. `RADIOPLAYER_FFMPEG` environment variable (absolute or relative path)
+2. Next to the application executable (Windows: `ffmpeg.exe`, macOS/Linux: `ffmpeg`)
+3. Common bundle resource folders relative to the executable:
+   - `resources/ffmpeg(.exe)`
+   - `Resources/ffmpeg(.exe)`
+   - `../resources/ffmpeg(.exe)`
+   - `../Resources/ffmpeg(.exe)`
+4. Your system `PATH`
+
+## Recommended setup (Windows dev)
+
+- Put `ffmpeg.exe` somewhere stable, then set:
+
+`RADIOPLAYER_FFMPEG=C:\\path\\to\\ffmpeg.exe`
+
+Or copy `ffmpeg.exe` next to the built app binary:
+
+- `src-tauri/target/debug/ffmpeg.exe` (dev)
+- `src-tauri/target/release/ffmpeg.exe` (release)
+
+## Optional: download helper (Windows)
+
+You can also run:
+
+`npm run ffmpeg:download`
+
+This downloads a prebuilt FFmpeg zip and extracts `ffmpeg.exe` into `tools/ffmpeg/bin/ffmpeg.exe`.
+
+## Notes
+
+- The player will fail fast with a clear error if FFmpeg is missing.
+- The project already includes a copy step (`tools/copy-ffmpeg.js`) that runs before `tauri`/`build` and places FFmpeg into `src-tauri/resources/` for bundling.